diff --git a/Makefile b/Makefile
index 94f55d2a..2485ee70 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,6 @@ copy-proto:
   done
 
 tests:
-	pytest -v tests/**
+	pytest -v
 
 .PHONY: all gen gen-client copy-proto tests
diff --git a/Pipfile b/Pipfile
index f07ae931..97f04274 100644
--- a/Pipfile
+++ b/Pipfile
@@ -25,6 +25,7 @@ websockets = "*"
 [dev-packages]
 pytest = "*"
 pytest-asyncio = "*"
+pytest-grpc = "*"
 requests-mock = "*"
 
 [requires]
diff --git a/Pipfile.lock b/Pipfile.lock
index 4865929d..58fc968b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "ddd9c0acafbf86fc3b26c88650bee0a2aa19d05a537541bfcbd8c8c2a1401266"
+            "sha256": "414c3e95a8abb1f4986d0ae4814e25f8c7eba47e5343b5c67cf0bab32b21eadc"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -26,96 +26,97 @@
         },
         "aiohttp": {
             "hashes": [
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-                "sha256:0a63f03189a6fa7c900226e3ef5ba4d3bd047e18f445e69adbd65af433add5a2",
-                "sha256:10c8cefcff98fd9168cdd86c4da8b84baaa90bf2da2269c6161984e6737bf23e",
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-            "version": "==3.8.4"
+            "markers": "python_version >= '3.6'",
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         "aiosignal": {
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@@ -134,11 +135,11 @@
         },
         "async-timeout": {
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-            "markers": "python_version >= '3.6'",
-            "version": "==4.0.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==4.0.3"
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@@ -172,6 +173,7 @@
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@@ -493,6 +495,7 @@
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@@ -621,6 +619,7 @@
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@@ -629,15 +628,16 @@
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@@ -884,6 +873,7 @@
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@@ -908,6 +898,7 @@
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@@ -998,22 +989,23 @@
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@@ -1167,6 +1159,7 @@
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@@ -1185,11 +1178,11 @@
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@@ -1221,6 +1214,7 @@
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+                "sha256:eef9df1eefada2c09a5e7a40991b9fc6ac6ef20b1372abd48d2794a316dc0449",
+                "sha256:f058f6963fd82eb143c692cecdc89e075fa0828db2e5b291070485390b2f1c9c",
+                "sha256:f25c229a6ba38a35ae6e25ca1264621cc25d4d38dca2942a7fce0b67a4efe918",
+                "sha256:f2a1d0fd4242bd8643ce6f98927cf9c04540af6efa92323e9d3124f57727bfc1",
+                "sha256:f7560358a6811e52e9c4d142d497f1a6e10103d3a6881f18d04dbce3729c0e2c",
+                "sha256:f779d3ad205f108d14e99bb3859aa7dd8e9c68874617c72354d7ecaec2a054ac",
+                "sha256:f87f746ee241d30d6ed93969de31e5ffd09a2961a051e60ae6bddde9ec3583aa"
+            ],
+            "markers": "python_full_version >= '3.7.0'",
+            "version": "==3.2.0"
         },
         "idna": {
             "hashes": [
@@ -1496,27 +1491,37 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159",
-                "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"
+                "sha256:cf61ae8f126ac6f7c451172cf30e3e43d3ca77615509771b3a984a0730651e12",
+                "sha256:d89c696a773f8bd377d18e5ecda92b7a3793cbe66c87060a6fb58c7b6e1061f7"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==1.0.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==1.3.0"
         },
         "pytest": {
             "hashes": [
-                "sha256:cdcbd012c9312258922f8cd3f1b62a6580fdced17db6014896053d47cddf9295",
-                "sha256:ee990a3cc55ba808b80795a79944756f315c67c12b56abd3ac993a7b8c17030b"
+                "sha256:78bf16451a2eb8c7a2ea98e32dc119fd2aa758f1d5d66dbf0a59d69a3969df32",
+                "sha256:b4bf8c45bd59934ed84001ad51e11b4ee40d40a1229d2c79f9c592b0a3f6bd8a"
             ],
             "index": "pypi",
-            "version": "==7.3.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==7.4.0"
         },
         "pytest-asyncio": {
             "hashes": [
-                "sha256:2b38a496aef56f56b0e87557ec313e11e1ab9276fc3863f6a7be0f1d0e415e1b",
-                "sha256:f2b3366b7cd501a4056858bd39349d5af19742aed2d81660b7998b6341c7eb9c"
+                "sha256:40a7eae6dded22c7b604986855ea48400ab15b069ae38116e8c01238e9eeb64d",
+                "sha256:8666c1c8ac02631d7c51ba282e0c69a8a452b211ffedf2599099845da5c5c37b"
             ],
             "index": "pypi",
-            "version": "==0.21.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==0.21.1"
+        },
+        "pytest-grpc": {
+            "hashes": [
+                "sha256:0bd2683ffd34199444d707c0ab01970b22e0afbba6cb1ddb6d578c85ebfe09bd",
+                "sha256:5b062cf498e59995e84b3051da76f7bcff8cfe307927869f7bdc27ab967eee35"
+            ],
+            "index": "pypi",
+            "version": "==0.8.0"
         },
         "requests": {
             "hashes": [
@@ -1524,6 +1529,7 @@
                 "sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1"
             ],
             "index": "pypi",
+            "markers": "python_version >= '3.7'",
             "version": "==2.31.0"
         },
         "requests-mock": {
@@ -1548,6 +1554,7 @@
                 "sha256:8f135f6502756bde6b2a9b28989df5fbe87c9970cecaa69041edcce7f0589b14"
             ],
             "index": "pypi",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
             "version": "==1.26.16"
         }
     }
diff --git a/README.md b/README.md
index 8c2ec6e2..381d3401 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,23 @@ make tests
 ```
 
 ### Changelogs
+**0.8.1**
+* Moved the configuration to use a secure or insecure connection inside the Network class. The AsyncClient's `insecure` parameter is no longer used for anything and will be removed in the future.
+* Made the new load balanced bare-metal node the default one for mainnet (it is called `lb`). The legacy one (load balanced k8s node) is called `lb_k8s`
+
+**0.8**
+* Refactor Composer to be created with all the markets and tokens. The Composer now uses the real markets and tokens to convert human-readable values to chain format
+* The Composer can still be instantiated without markets and tokens. When markets and tokens are not provided the Composer loads the required information from the Denoms used in previous versions
+* Change in AsyncClient to be able to create Composer instances for the client network, markets and tokens
+* Examples have been adapted to create Composer instances using the AsyncClient
+* Added new nodes (bare-metal load balancing nodes) for mainnet and testnet
+* Deprecated the kubernetes load balanced nodes for testnet
+* Refactored the cookies management logic into a cookie assistant. Added the required logic to support the new cookies format for bare-metal load balanced nodes
+* Removed class Client. The only supported now is the async version called AsyncClient.
+
+**0.7.1.1**
+* Fixed Testnet network URLs
+
 **0.7.2.1**
 * Synchronization of denoms configuration files.
 
diff --git a/examples/SendToInjective.py b/examples/SendToInjective.py
index 7a27841b..5d0d1072 100644
--- a/examples/SendToInjective.py
+++ b/examples/SendToInjective.py
@@ -4,7 +4,7 @@
 import asyncio
 import logging
 
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.sendtocosmos import Peggo
 
 import importlib.resources as pkg_resources
diff --git a/examples/chain_client/0_LocalOrderHash.py b/examples/chain_client/0_LocalOrderHash.py
index e1c8e290..0e20049b 100644
--- a/examples/chain_client/0_LocalOrderHash.py
+++ b/examples/chain_client/0_LocalOrderHash.py
@@ -1,20 +1,19 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
+from pyinjective.composer import Composer
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 from pyinjective.orderhash import OrderHashManager
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/13_MsgIncreasePositionMargin.py b/examples/chain_client/13_MsgIncreasePositionMargin.py
index ff0c33a6..d5e1d7cd 100644
--- a/examples/chain_client/13_MsgIncreasePositionMargin.py
+++ b/examples/chain_client/13_MsgIncreasePositionMargin.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/15_MsgWithdraw.py b/examples/chain_client/15_MsgWithdraw.py
index 74fc8bce..fb585719 100644
--- a/examples/chain_client/15_MsgWithdraw.py
+++ b/examples/chain_client/15_MsgWithdraw.py
@@ -13,22 +13,20 @@
 # limitations under the License.
 
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/16_MsgSubaccountTransfer.py b/examples/chain_client/16_MsgSubaccountTransfer.py
index 50f6205b..e3dbde9b 100644
--- a/examples/chain_client/16_MsgSubaccountTransfer.py
+++ b/examples/chain_client/16_MsgSubaccountTransfer.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/17_MsgBatchUpdateOrders.py b/examples/chain_client/17_MsgBatchUpdateOrders.py
index 59bbb111..853b85ee 100644
--- a/examples/chain_client/17_MsgBatchUpdateOrders.py
+++ b/examples/chain_client/17_MsgBatchUpdateOrders.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -132,7 +130,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/18_MsgBid.py b/examples/chain_client/18_MsgBid.py
index 35ab0256..001fde7c 100644
--- a/examples/chain_client/18_MsgBid.py
+++ b/examples/chain_client/18_MsgBid.py
@@ -1,19 +1,17 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/19_MsgGrant.py b/examples/chain_client/19_MsgGrant.py
index da9fbbb5..17a8ffee 100644
--- a/examples/chain_client/19_MsgGrant.py
+++ b/examples/chain_client/19_MsgGrant.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/1_MsgSend.py b/examples/chain_client/1_MsgSend.py
index f3a48769..f4894b4d 100644
--- a/examples/chain_client/1_MsgSend.py
+++ b/examples/chain_client/1_MsgSend.py
@@ -1,21 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    # set custom cookie location (optional) - defaults to current dir
-    client = AsyncClient(network, insecure=False, chain_cookie_location="/tmp/.chain_cookie")
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/20_MsgExec.py b/examples/chain_client/20_MsgExec.py
index 8aafd5d4..e0f6854e 100644
--- a/examples/chain_client/20_MsgExec.py
+++ b/examples/chain_client/20_MsgExec.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey, Address
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -63,9 +61,9 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     data=sim_res_msg[0]
-    unpacked_msg_res = ProtoMsgComposer.UnpackMsgExecResponse(
+    unpacked_msg_res = composer.UnpackMsgExecResponse(
         msg_type=msg0.__class__.__name__,
         data=data
     )
diff --git a/examples/chain_client/21_MsgRevoke.py b/examples/chain_client/21_MsgRevoke.py
index b01d799c..51b23f8b 100644
--- a/examples/chain_client/21_MsgRevoke.py
+++ b/examples/chain_client/21_MsgRevoke.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/22_MsgSendToEth.py b/examples/chain_client/22_MsgSendToEth.py
index 91ecceb3..aed1442f 100644
--- a/examples/chain_client/22_MsgSendToEth.py
+++ b/examples/chain_client/22_MsgSendToEth.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 import requests
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/23_MsgRelayPriceFeedPrice.py b/examples/chain_client/23_MsgRelayPriceFeedPrice.py
index 592e993e..d0a96996 100644
--- a/examples/chain_client/23_MsgRelayPriceFeedPrice.py
+++ b/examples/chain_client/23_MsgRelayPriceFeedPrice.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/24_MsgRewardsOptOut.py b/examples/chain_client/24_MsgRewardsOptOut.py
index eb413004..ef876c35 100644
--- a/examples/chain_client/24_MsgRewardsOptOut.py
+++ b/examples/chain_client/24_MsgRewardsOptOut.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/25_MsgDelegate.py b/examples/chain_client/25_MsgDelegate.py
index fb78dba8..7df4eb17 100644
--- a/examples/chain_client/25_MsgDelegate.py
+++ b/examples/chain_client/25_MsgDelegate.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/26_MsgWithdrawDelegatorReward.py b/examples/chain_client/26_MsgWithdrawDelegatorReward.py
index a1b955a7..2ee30e32 100644
--- a/examples/chain_client/26_MsgWithdrawDelegatorReward.py
+++ b/examples/chain_client/26_MsgWithdrawDelegatorReward.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/27_Grants.py b/examples/chain_client/27_Grants.py
index 7f16ecac..e94ce9b8 100644
--- a/examples/chain_client/27_Grants.py
+++ b/examples/chain_client/27_Grants.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     granter = "inj14au322k9munkmx5wrchz9q30juf5wjgz2cfqku"
     grantee = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
     msg_type_url = "/injective.exchange.v1beta1.MsgCreateDerivativeLimitOrder"
diff --git a/examples/chain_client/28_BankBalances.py b/examples/chain_client/28_BankBalances.py
index 6a185ccc..5a52939f 100644
--- a/examples/chain_client/28_BankBalances.py
+++ b/examples/chain_client/28_BankBalances.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     address = "inj1cml96vmptgw99syqrrz8az79xer2pcgp0a885r"
     all_bank_balances = await client.get_bank_balances(address=address)
     print(all_bank_balances)
diff --git a/examples/chain_client/29_BankBalance.py b/examples/chain_client/29_BankBalance.py
index aab01086..d5d2d533 100644
--- a/examples/chain_client/29_BankBalance.py
+++ b/examples/chain_client/29_BankBalance.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     address = "inj1cml96vmptgw99syqrrz8az79xer2pcgp0a885r"
     denom = "inj"
     bank_balance = await client.get_bank_balance(address=address, denom=denom)
diff --git a/examples/chain_client/2_MsgDeposit.py b/examples/chain_client/2_MsgDeposit.py
index bcb6f78e..1484b1ed 100644
--- a/examples/chain_client/2_MsgDeposit.py
+++ b/examples/chain_client/2_MsgDeposit.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
-    network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
+    network = Network.testnet(node="sentry")
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/30_ExternalTransfer.py b/examples/chain_client/30_ExternalTransfer.py
index 26defc09..a973e4b2 100644
--- a/examples/chain_client/30_ExternalTransfer.py
+++ b/examples/chain_client/30_ExternalTransfer.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/31_MsgCreateBinaryOptionsLimitOrder.py b/examples/chain_client/31_MsgCreateBinaryOptionsLimitOrder.py
index ab79d52a..25652212 100644
--- a/examples/chain_client/31_MsgCreateBinaryOptionsLimitOrder.py
+++ b/examples/chain_client/31_MsgCreateBinaryOptionsLimitOrder.py
@@ -1,19 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network, Denom
+from pyinjective.constant import Denom
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -62,7 +61,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/32_MsgCreateBinaryOptionsMarketOrder.py b/examples/chain_client/32_MsgCreateBinaryOptionsMarketOrder.py
index 31d9cf04..8bd5ae77 100644
--- a/examples/chain_client/32_MsgCreateBinaryOptionsMarketOrder.py
+++ b/examples/chain_client/32_MsgCreateBinaryOptionsMarketOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -57,7 +55,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/33_MsgCancelBinaryOptionsOrder.py b/examples/chain_client/33_MsgCancelBinaryOptionsOrder.py
index ca51d084..f3e534b7 100644
--- a/examples/chain_client/33_MsgCancelBinaryOptionsOrder.py
+++ b/examples/chain_client/33_MsgCancelBinaryOptionsOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -53,7 +51,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/34_MsgAdminUpdateBinaryOptionsMarket.py b/examples/chain_client/34_MsgAdminUpdateBinaryOptionsMarket.py
index 2f665919..073529ae 100644
--- a/examples/chain_client/34_MsgAdminUpdateBinaryOptionsMarket.py
+++ b/examples/chain_client/34_MsgAdminUpdateBinaryOptionsMarket.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -58,7 +56,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py b/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
index 3b12ab87..35c30c39 100644
--- a/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
+++ b/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -60,7 +58,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/36_MsgRelayProviderPrices.py b/examples/chain_client/36_MsgRelayProviderPrices.py
index a579fb6a..23c9ac94 100644
--- a/examples/chain_client/36_MsgRelayProviderPrices.py
+++ b/examples/chain_client/36_MsgRelayProviderPrices.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -53,7 +51,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/37_GetTx.py b/examples/chain_client/37_GetTx.py
index 2e2487bc..77d13eb9 100644
--- a/examples/chain_client/37_GetTx.py
+++ b/examples/chain_client/37_GetTx.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     tx_hash = "7746BC12EB82B4D59D036FBFF2F67BDCA6F62A20B3DBC25661707DD61D4DC1B7"
     tx_logs = await client.get_tx(tx_hash=tx_hash)
     print(tx_logs)
diff --git a/examples/chain_client/38_StreamEventOrderFail.py b/examples/chain_client/38_StreamEventOrderFail.py
index 1b3f760f..e453fd12 100644
--- a/examples/chain_client/38_StreamEventOrderFail.py
+++ b/examples/chain_client/38_StreamEventOrderFail.py
@@ -4,7 +4,8 @@
 import websockets
 import base64
 
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.mainnet()
diff --git a/examples/chain_client/39_Account.py b/examples/chain_client/39_Account.py
index 50d30c76..4089a5dd 100644
--- a/examples/chain_client/39_Account.py
+++ b/examples/chain_client/39_Account.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     address = "inj1knhahceyp57j5x7xh69p7utegnnnfgxavmahjr"
     acc = await client.get_account(address=address)
     print(acc)
diff --git a/examples/chain_client/3_MsgCreateSpotLimitOrder.py b/examples/chain_client/3_MsgCreateSpotLimitOrder.py
index 04cb0ffa..34466874 100644
--- a/examples/chain_client/3_MsgCreateSpotLimitOrder.py
+++ b/examples/chain_client/3_MsgCreateSpotLimitOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -58,7 +56,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/40_MsgExecuteContract.py b/examples/chain_client/40_MsgExecuteContract.py
index 4661f4b4..cde8c480 100644
--- a/examples/chain_client/40_MsgExecuteContract.py
+++ b/examples/chain_client/40_MsgExecuteContract.py
@@ -1,21 +1,19 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
     # set custom cookie location (optional) - defaults to current dir
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/41_MsgCreateInsuranceFund.py b/examples/chain_client/41_MsgCreateInsuranceFund.py
index 255419b0..89007e23 100644
--- a/examples/chain_client/41_MsgCreateInsuranceFund.py
+++ b/examples/chain_client/41_MsgCreateInsuranceFund.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
     # set custom cookie location (optional) - defaults to current dir
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/42_MsgUnderwrite.py b/examples/chain_client/42_MsgUnderwrite.py
index 49aa7313..7c143e51 100644
--- a/examples/chain_client/42_MsgUnderwrite.py
+++ b/examples/chain_client/42_MsgUnderwrite.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
     # set custom cookie location (optional) - defaults to current dir
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/43_MsgRequestRedemption.py b/examples/chain_client/43_MsgRequestRedemption.py
index a37a774d..a32add66 100644
--- a/examples/chain_client/43_MsgRequestRedemption.py
+++ b/examples/chain_client/43_MsgRequestRedemption.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
     # set custom cookie location (optional) - defaults to current dir
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/44_MessageBroadcaster.py b/examples/chain_client/44_MessageBroadcaster.py
index b144c0cc..4fbeb719 100644
--- a/examples/chain_client/44_MessageBroadcaster.py
+++ b/examples/chain_client/44_MessageBroadcaster.py
@@ -2,7 +2,7 @@
 
 from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.core.broadcaster import MsgBroadcasterWithPk
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
@@ -15,7 +15,6 @@ async def main() -> None:
     message_broadcaster = MsgBroadcasterWithPk.new_using_simulation(
         network=network,
         private_key=private_key_in_hexa,
-        use_secure_connection=True
     )
 
     priv_key = PrivateKey.from_hex(private_key_in_hexa)
diff --git a/examples/chain_client/45_MessageBroadcasterWithGranteeAccount.py b/examples/chain_client/45_MessageBroadcasterWithGranteeAccount.py
index f0b4c7e8..dc017f3f 100644
--- a/examples/chain_client/45_MessageBroadcasterWithGranteeAccount.py
+++ b/examples/chain_client/45_MessageBroadcasterWithGranteeAccount.py
@@ -3,7 +3,7 @@
 from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.core.broadcaster import MsgBroadcasterWithPk
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey, Address
 
 
@@ -13,7 +13,7 @@ async def main() -> None:
     composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     await client.sync_timeout_height()
 
     # load account
@@ -25,7 +25,6 @@ async def main() -> None:
     message_broadcaster = MsgBroadcasterWithPk.new_for_grantee_account_using_simulation(
         network=network,
         grantee_private_key=private_key_in_hexa,
-        use_secure_connection=True
     )
 
     # prepare tx msg
diff --git a/examples/chain_client/46_MessageBroadcasterWithoutSimulation.py b/examples/chain_client/46_MessageBroadcasterWithoutSimulation.py
index 847c79a9..dc804b24 100644
--- a/examples/chain_client/46_MessageBroadcasterWithoutSimulation.py
+++ b/examples/chain_client/46_MessageBroadcasterWithoutSimulation.py
@@ -2,7 +2,7 @@
 
 from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.core.broadcaster import MsgBroadcasterWithPk
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
@@ -15,7 +15,6 @@ async def main() -> None:
     message_broadcaster = MsgBroadcasterWithPk.new_without_simulation(
         network=network,
         private_key=private_key_in_hexa,
-        use_secure_connection=True
     )
 
     priv_key = PrivateKey.from_hex(private_key_in_hexa)
diff --git a/examples/chain_client/47_MessageBroadcasterWithGranteeAccountWithoutSimulation.py b/examples/chain_client/47_MessageBroadcasterWithGranteeAccountWithoutSimulation.py
index b3311279..4221d795 100644
--- a/examples/chain_client/47_MessageBroadcasterWithGranteeAccountWithoutSimulation.py
+++ b/examples/chain_client/47_MessageBroadcasterWithGranteeAccountWithoutSimulation.py
@@ -3,7 +3,7 @@
 from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.core.broadcaster import MsgBroadcasterWithPk
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey, Address
 
 
@@ -13,7 +13,7 @@ async def main() -> None:
     composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     await client.sync_timeout_height()
 
     # load account
@@ -25,7 +25,6 @@ async def main() -> None:
     message_broadcaster = MsgBroadcasterWithPk.new_for_grantee_account_without_simulation(
         network=network,
         grantee_private_key=private_key_in_hexa,
-        use_secure_connection=True
     )
 
     # prepare tx msg
diff --git a/examples/chain_client/48_WithdrawValidatorCommission_Rewards b/examples/chain_client/48_WithdrawValidatorCommission_Rewards
new file mode 100644
index 00000000..7d360790
--- /dev/null
+++ b/examples/chain_client/48_WithdrawValidatorCommission_Rewards
@@ -0,0 +1,79 @@
+
+import asyncio
+import logging
+
+from pyinjective.composer import Composer as ProtoMsgComposer
+from pyinjective.async_client import AsyncClient
+from pyinjective.transaction import Transaction
+from pyinjective.constant import Network
+from pyinjective.wallet import PrivateKey
+
+
+async def main() -> None:
+    """For a validator to withdraw his rewards & commissions simultaneously"""
+    # select network: local, testnet, mainnet
+    network = Network.testnet()
+    composer = ProtoMsgComposer(network=network.string())
+
+    # initialize grpc client
+    client = AsyncClient(network, insecure=False)
+    await client.sync_timeout_height()
+
+    # load account
+    # private key is that from the validator's wallet
+    priv_key = PrivateKey.from_hex("f9db9bf330e23cb7839039e944adef6e9df447b90b503d5b4464c90bea9022f3")
+    pub_key = priv_key.to_public_key()
+    address = pub_key.to_address()
+    account = await client.get_account(address.to_acc_bech32())
+
+    # prepare tx msg
+    validator_address = "injvaloper1ultw9r29l8nxy5u6thcgusjn95vsy2caw722q5"
+
+    msg0 = composer.MsgWithdrawDelegatorReward(
+        delegator_address=address.to_acc_bech32(),
+        validator_address=validator_address
+    )
+
+    msg1 = composer.MsgWithdrawValidatorCommission(
+        validator_address=validator_address
+    )
+
+    # build sim tx
+    tx = (
+        Transaction()
+        .with_messages(msg0, msg1)
+        .with_sequence(client.get_sequence())
+        .with_account_num(client.get_number())
+        .with_chain_id(network.chain_id)
+    )
+    sim_sign_doc = tx.get_sign_doc(pub_key)
+    sim_sig = priv_key.sign(sim_sign_doc.SerializeToString())
+    sim_tx_raw_bytes = tx.get_tx_data(sim_sig, pub_key)
+
+    # simulate tx
+    (sim_res, success) = await client.simulate_tx(sim_tx_raw_bytes)
+    if not success:
+        print(sim_res)
+        return
+
+    # build tx
+    gas_price = 500000000
+    gas_limit = sim_res.gas_info.gas_used + 20000 # add 20k for gas, fee computation
+    gas_fee = '{:.18f}'.format((gas_price * gas_limit) / pow(10, 18)).rstrip('0')
+    fee = [composer.Coin(
+        amount=gas_price * gas_limit,
+        denom=network.fee_denom,
+    )]
+    tx = tx.with_gas(gas_limit).with_fee(fee).with_memo('').with_timeout_height(client.timeout_height)
+    sign_doc = tx.get_sign_doc(pub_key)
+    sig = priv_key.sign(sign_doc.SerializeToString())
+    tx_raw_bytes = tx.get_tx_data(sig, pub_key)
+
+    # broadcast tx: send_tx_async_mode, send_tx_sync_mode, send_tx_block_mode
+    res = await client.send_tx_sync_mode(tx_raw_bytes)
+    print(res)
+    print("gas wanted: {}".format(gas_limit))
+    print("gas fee: {} INJ".format(gas_fee))
+
+if __name__ == "__main__":
+    asyncio.get_event_loop().run_until_complete(main())
diff --git a/examples/chain_client/4_MsgCreateSpotMarketOrder.py b/examples/chain_client/4_MsgCreateSpotMarketOrder.py
index d851517c..3185cafa 100644
--- a/examples/chain_client/4_MsgCreateSpotMarketOrder.py
+++ b/examples/chain_client/4_MsgCreateSpotMarketOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -57,7 +55,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/5_MsgCancelSpotOrder.py b/examples/chain_client/5_MsgCancelSpotOrder.py
index a347a54b..93030ecd 100644
--- a/examples/chain_client/5_MsgCancelSpotOrder.py
+++ b/examples/chain_client/5_MsgCancelSpotOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/chain_client/6_MsgCreateDerivativeLimitOrder.py b/examples/chain_client/6_MsgCreateDerivativeLimitOrder.py
index d7847289..add38833 100644
--- a/examples/chain_client/6_MsgCreateDerivativeLimitOrder.py
+++ b/examples/chain_client/6_MsgCreateDerivativeLimitOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -59,7 +57,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/7_MsgCreateDerivativeMarketOrder.py b/examples/chain_client/7_MsgCreateDerivativeMarketOrder.py
index ffdade8d..f1e71b1c 100644
--- a/examples/chain_client/7_MsgCreateDerivativeMarketOrder.py
+++ b/examples/chain_client/7_MsgCreateDerivativeMarketOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
@@ -58,7 +56,7 @@ async def main() -> None:
         print(sim_res)
         return
 
-    sim_res_msg = ProtoMsgComposer.MsgResponses(sim_res, simulation=True)
+    sim_res_msg = composer.MsgResponses(sim_res, simulation=True)
     print("---Simulation Response---")
     print(sim_res_msg)
 
diff --git a/examples/chain_client/8_MsgCancelDerivativeOrder.py b/examples/chain_client/8_MsgCancelDerivativeOrder.py
index 6934d283..1ea9001c 100644
--- a/examples/chain_client/8_MsgCancelDerivativeOrder.py
+++ b/examples/chain_client/8_MsgCancelDerivativeOrder.py
@@ -1,20 +1,18 @@
 import asyncio
-import logging
 
-from pyinjective.composer import Composer as ProtoMsgComposer
 from pyinjective.async_client import AsyncClient
 from pyinjective.transaction import Transaction
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.wallet import PrivateKey
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    composer = ProtoMsgComposer(network=network.string())
 
     # initialize grpc client
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
+    composer = await client.composer()
     await client.sync_timeout_height()
 
     # load account
diff --git a/examples/exchange_client/accounts_rpc/1_StreamSubaccountBalance.py b/examples/exchange_client/accounts_rpc/1_StreamSubaccountBalance.py
index 53d85f90..25c6163c 100644
--- a/examples/exchange_client/accounts_rpc/1_StreamSubaccountBalance.py
+++ b/examples/exchange_client/accounts_rpc/1_StreamSubaccountBalance.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xc7dca7c15c364865f77a4fb67ab11dc95502e6fe000000000000000000000001"
     denoms = ["inj", "peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5"]
     subaccount = await client.stream_subaccount_balance(
diff --git a/examples/exchange_client/accounts_rpc/2_SubaccountBalance.py b/examples/exchange_client/accounts_rpc/2_SubaccountBalance.py
index 61ef0396..13a5bfba 100644
--- a/examples/exchange_client/accounts_rpc/2_SubaccountBalance.py
+++ b/examples/exchange_client/accounts_rpc/2_SubaccountBalance.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     denom = "inj"
     balance = await client.get_subaccount_balance(
diff --git a/examples/exchange_client/accounts_rpc/3_SubaccountsList.py b/examples/exchange_client/accounts_rpc/3_SubaccountsList.py
index d037106c..390200e1 100644
--- a/examples/exchange_client/accounts_rpc/3_SubaccountsList.py
+++ b/examples/exchange_client/accounts_rpc/3_SubaccountsList.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     account_address = "inj1clw20s2uxeyxtam6f7m84vgae92s9eh7vygagt"
     subacc_list = await client.get_subaccount_list(account_address)
     print(subacc_list)
diff --git a/examples/exchange_client/accounts_rpc/4_SubaccountBalancesList.py b/examples/exchange_client/accounts_rpc/4_SubaccountBalancesList.py
index c5c8b9de..1bb746b5 100644
--- a/examples/exchange_client/accounts_rpc/4_SubaccountBalancesList.py
+++ b/examples/exchange_client/accounts_rpc/4_SubaccountBalancesList.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     denoms = ["inj", "peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5"]
     subacc_balances_list = await client.get_subaccount_balances_list(
diff --git a/examples/exchange_client/accounts_rpc/5_SubaccountHistory.py b/examples/exchange_client/accounts_rpc/5_SubaccountHistory.py
index 66d9875b..fa871b7f 100644
--- a/examples/exchange_client/accounts_rpc/5_SubaccountHistory.py
+++ b/examples/exchange_client/accounts_rpc/5_SubaccountHistory.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     denom = "inj"
     transfer_types = ["withdraw", "deposit"]
diff --git a/examples/exchange_client/accounts_rpc/6_SubaccountOrderSummary.py b/examples/exchange_client/accounts_rpc/6_SubaccountOrderSummary.py
index f0bf85fd..606e75a3 100644
--- a/examples/exchange_client/accounts_rpc/6_SubaccountOrderSummary.py
+++ b/examples/exchange_client/accounts_rpc/6_SubaccountOrderSummary.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     order_direction = "buy"
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
diff --git a/examples/exchange_client/accounts_rpc/7_OrderStates.py b/examples/exchange_client/accounts_rpc/7_OrderStates.py
index c0851ed6..1c4117e8 100644
--- a/examples/exchange_client/accounts_rpc/7_OrderStates.py
+++ b/examples/exchange_client/accounts_rpc/7_OrderStates.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     spot_order_hashes = ["0xce0d9b701f77cd6ddfda5dd3a4fe7b2d53ba83e5d6c054fb2e9e886200b7b7bb", "0x2e2245b5431638d76c6e0cc6268970418a1b1b7df60a8e94b8cf37eae6105542"]
     derivative_order_hashes = ["0x82113f3998999bdc3892feaab2c4e53ba06c5fe887a2d5f9763397240f24da50", "0xbb1f036001378cecb5fff1cc69303919985b5bf058c32f37d5aaf9b804c07a06"]
     orders = await client.get_order_states(spot_order_hashes=spot_order_hashes, derivative_order_hashes=derivative_order_hashes)
diff --git a/examples/exchange_client/accounts_rpc/8_Portfolio.py b/examples/exchange_client/accounts_rpc/8_Portfolio.py
index 9fea55a5..04e709bc 100644
--- a/examples/exchange_client/accounts_rpc/8_Portfolio.py
+++ b/examples/exchange_client/accounts_rpc/8_Portfolio.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     account_address = "inj14au322k9munkmx5wrchz9q30juf5wjgz2cfqku"
     portfolio = await client.get_portfolio(account_address=account_address)
     print(portfolio)
diff --git a/examples/exchange_client/accounts_rpc/9_Rewards.py b/examples/exchange_client/accounts_rpc/9_Rewards.py
index f99d804f..687f3a1a 100644
--- a/examples/exchange_client/accounts_rpc/9_Rewards.py
+++ b/examples/exchange_client/accounts_rpc/9_Rewards.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     # account_address = "inj14au322k9munkmx5wrchz9q30juf5wjgz2cfqku"
     epoch = -1
     rewards = await client.get_rewards(
diff --git a/examples/exchange_client/auctions_rpc/1_Auction.py b/examples/exchange_client/auctions_rpc/1_Auction.py
index 79fd2dc8..02307e00 100644
--- a/examples/exchange_client/auctions_rpc/1_Auction.py
+++ b/examples/exchange_client/auctions_rpc/1_Auction.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     bid_round = 31
     auction = await client.get_auction(bid_round=bid_round)
     print(auction)
diff --git a/examples/exchange_client/auctions_rpc/2_Auctions.py b/examples/exchange_client/auctions_rpc/2_Auctions.py
index fca61338..5f161f5d 100644
--- a/examples/exchange_client/auctions_rpc/2_Auctions.py
+++ b/examples/exchange_client/auctions_rpc/2_Auctions.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     auctions = await client.get_auctions()
     print(auctions)
 
diff --git a/examples/exchange_client/auctions_rpc/3_StreamBids.py b/examples/exchange_client/auctions_rpc/3_StreamBids.py
index 60b6927f..3119670d 100644
--- a/examples/exchange_client/auctions_rpc/3_StreamBids.py
+++ b/examples/exchange_client/auctions_rpc/3_StreamBids.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     bids = await client.stream_bids()
     async for bid in bids:
         print(bid)
diff --git a/examples/exchange_client/derivative_exchange_rpc/10_StreamHistoricalOrders.py b/examples/exchange_client/derivative_exchange_rpc/10_StreamHistoricalOrders.py
index 33ef76e4..429862d1 100644
--- a/examples/exchange_client/derivative_exchange_rpc/10_StreamHistoricalOrders.py
+++ b/examples/exchange_client/derivative_exchange_rpc/10_StreamHistoricalOrders.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     order_side = "sell"
     subaccount_id = "0xc6fe5d33615a1c52c08018c47e8bc53646a0e101000000000000000000000000"
diff --git a/examples/exchange_client/derivative_exchange_rpc/11_Trades.py b/examples/exchange_client/derivative_exchange_rpc/11_Trades.py
index 056d2155..f822babb 100644
--- a/examples/exchange_client/derivative_exchange_rpc/11_Trades.py
+++ b/examples/exchange_client/derivative_exchange_rpc/11_Trades.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     subaccount_id = "0xc6fe5d33615a1c52c08018c47e8bc53646a0e101000000000000000000000000"
     trades = await client.get_derivative_trades(
diff --git a/examples/exchange_client/derivative_exchange_rpc/12_StreamTrades.py b/examples/exchange_client/derivative_exchange_rpc/12_StreamTrades.py
index 31dabd25..03136700 100644
--- a/examples/exchange_client/derivative_exchange_rpc/12_StreamTrades.py
+++ b/examples/exchange_client/derivative_exchange_rpc/12_StreamTrades.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6",
         "0xd5e4b12b19ecf176e4e14b42944731c27677819d2ed93be4104ad7025529c7ff"
diff --git a/examples/exchange_client/derivative_exchange_rpc/13_SubaccountOrdersList.py b/examples/exchange_client/derivative_exchange_rpc/13_SubaccountOrdersList.py
index 587e3b0e..62609850 100644
--- a/examples/exchange_client/derivative_exchange_rpc/13_SubaccountOrdersList.py
+++ b/examples/exchange_client/derivative_exchange_rpc/13_SubaccountOrdersList.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     skip = 1
diff --git a/examples/exchange_client/derivative_exchange_rpc/14_SubaccountTradesList.py b/examples/exchange_client/derivative_exchange_rpc/14_SubaccountTradesList.py
index 0d835437..d6b0bf81 100644
--- a/examples/exchange_client/derivative_exchange_rpc/14_SubaccountTradesList.py
+++ b/examples/exchange_client/derivative_exchange_rpc/14_SubaccountTradesList.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     execution_type = "market"
diff --git a/examples/exchange_client/derivative_exchange_rpc/15_FundingPayments.py b/examples/exchange_client/derivative_exchange_rpc/15_FundingPayments.py
index ebde0a71..4ff983c5 100644
--- a/examples/exchange_client/derivative_exchange_rpc/15_FundingPayments.py
+++ b/examples/exchange_client/derivative_exchange_rpc/15_FundingPayments.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     subaccount_id = "0xc6fe5d33615a1c52c08018c47e8bc53646a0e101000000000000000000000000"
     skip=0
diff --git a/examples/exchange_client/derivative_exchange_rpc/17_FundingRates.py b/examples/exchange_client/derivative_exchange_rpc/17_FundingRates.py
index 089b89b6..47a14794 100644
--- a/examples/exchange_client/derivative_exchange_rpc/17_FundingRates.py
+++ b/examples/exchange_client/derivative_exchange_rpc/17_FundingRates.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     skip=0
     limit=3
diff --git a/examples/exchange_client/derivative_exchange_rpc/18_Orderbooks.py b/examples/exchange_client/derivative_exchange_rpc/18_Orderbooks.py
index 3996c9f2..d3583aff 100644
--- a/examples/exchange_client/derivative_exchange_rpc/18_Orderbooks.py
+++ b/examples/exchange_client/derivative_exchange_rpc/18_Orderbooks.py
@@ -2,13 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6",
         "0xd5e4b12b19ecf176e4e14b42944731c27677819d2ed93be4104ad7025529c7ff"
diff --git a/examples/exchange_client/derivative_exchange_rpc/19_Binary_Options_Markets.py b/examples/exchange_client/derivative_exchange_rpc/19_Binary_Options_Markets.py
index f7e9b111..233dce5f 100644
--- a/examples/exchange_client/derivative_exchange_rpc/19_Binary_Options_Markets.py
+++ b/examples/exchange_client/derivative_exchange_rpc/19_Binary_Options_Markets.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_status = "active"
     quote_denom = "peggy0xdAC17F958D2ee523a2206206994597C13D831ec7"
     market = await client.get_binary_options_markets(
diff --git a/examples/exchange_client/derivative_exchange_rpc/1_Market.py b/examples/exchange_client/derivative_exchange_rpc/1_Market.py
index 7666efe3..520f55c8 100644
--- a/examples/exchange_client/derivative_exchange_rpc/1_Market.py
+++ b/examples/exchange_client/derivative_exchange_rpc/1_Market.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     market = await client.get_derivative_market(market_id=market_id)
     print(market)
diff --git a/examples/exchange_client/derivative_exchange_rpc/20_Binary_Options_Market.py b/examples/exchange_client/derivative_exchange_rpc/20_Binary_Options_Market.py
index 59949fee..7cbf0924 100644
--- a/examples/exchange_client/derivative_exchange_rpc/20_Binary_Options_Market.py
+++ b/examples/exchange_client/derivative_exchange_rpc/20_Binary_Options_Market.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x175513943b8677368d138e57bcd6bef53170a0da192e7eaa8c2cd4509b54f8db"
     market = await client.get_binary_options_market(market_id=market_id)
     print(market)
diff --git a/examples/exchange_client/derivative_exchange_rpc/21_Historical_Orders.py b/examples/exchange_client/derivative_exchange_rpc/21_Historical_Orders.py
index 367ee214..ea864397 100644
--- a/examples/exchange_client/derivative_exchange_rpc/21_Historical_Orders.py
+++ b/examples/exchange_client/derivative_exchange_rpc/21_Historical_Orders.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     subaccount_id = "0x295639d56c987f0e24d21bb167872b3542a6e05a000000000000000000000000"
     is_conditional = "false"
diff --git a/examples/exchange_client/derivative_exchange_rpc/22_OrderbooksV2.py b/examples/exchange_client/derivative_exchange_rpc/22_OrderbooksV2.py
index 35fe128f..2a21d145 100644
--- a/examples/exchange_client/derivative_exchange_rpc/22_OrderbooksV2.py
+++ b/examples/exchange_client/derivative_exchange_rpc/22_OrderbooksV2.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6",
         "0xd5e4b12b19ecf176e4e14b42944731c27677819d2ed93be4104ad7025529c7ff"
diff --git a/examples/exchange_client/derivative_exchange_rpc/2_Markets.py b/examples/exchange_client/derivative_exchange_rpc/2_Markets.py
index 89242d02..275d372f 100644
--- a/examples/exchange_client/derivative_exchange_rpc/2_Markets.py
+++ b/examples/exchange_client/derivative_exchange_rpc/2_Markets.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_status = "active"
     quote_denom = "peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5"
     market = await client.get_derivative_markets(
diff --git a/examples/exchange_client/derivative_exchange_rpc/3_StreamMarket.py b/examples/exchange_client/derivative_exchange_rpc/3_StreamMarket.py
index f4f09d9a..d3b15a71 100644
--- a/examples/exchange_client/derivative_exchange_rpc/3_StreamMarket.py
+++ b/examples/exchange_client/derivative_exchange_rpc/3_StreamMarket.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     markets = await client.stream_derivative_markets()
     async for market in markets:
         print(market)
diff --git a/examples/exchange_client/derivative_exchange_rpc/4_Orderbook.py b/examples/exchange_client/derivative_exchange_rpc/4_Orderbook.py
index 61575bc8..9020a949 100644
--- a/examples/exchange_client/derivative_exchange_rpc/4_Orderbook.py
+++ b/examples/exchange_client/derivative_exchange_rpc/4_Orderbook.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     market = await client.get_derivative_orderbook(market_id=market_id)
     print(market)
diff --git a/examples/exchange_client/derivative_exchange_rpc/5_StreamOrderbooks.py b/examples/exchange_client/derivative_exchange_rpc/5_StreamOrderbooks.py
index b50535ee..8a5a88f6 100644
--- a/examples/exchange_client/derivative_exchange_rpc/5_StreamOrderbooks.py
+++ b/examples/exchange_client/derivative_exchange_rpc/5_StreamOrderbooks.py
@@ -2,13 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     markets = await client.stream_derivative_orderbook_snapshot(market_ids=[market_id])
     async for market in markets:
diff --git a/examples/exchange_client/derivative_exchange_rpc/6_StreamOrderbookUpdate.py b/examples/exchange_client/derivative_exchange_rpc/6_StreamOrderbookUpdate.py
index b1ac8804..4dd446db 100644
--- a/examples/exchange_client/derivative_exchange_rpc/6_StreamOrderbookUpdate.py
+++ b/examples/exchange_client/derivative_exchange_rpc/6_StreamOrderbookUpdate.py
@@ -3,7 +3,7 @@
 from decimal import *
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 class PriceLevel:
@@ -50,7 +50,7 @@ async def load_orderbook_snapshot(async_client: AsyncClient, orderbook: Orderboo
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    async_client = AsyncClient(network, insecure=False)
+    async_client = AsyncClient(network)
 
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     orderbook = Orderbook(market_id=market_id)
diff --git a/examples/exchange_client/derivative_exchange_rpc/7_Positions.py b/examples/exchange_client/derivative_exchange_rpc/7_Positions.py
index f91ec4e8..50500c14 100644
--- a/examples/exchange_client/derivative_exchange_rpc/7_Positions.py
+++ b/examples/exchange_client/derivative_exchange_rpc/7_Positions.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6",
         "0xd97d0da6f6c11710ef06315971250e4e9aed4b7d4cd02059c9477ec8cf243782"
diff --git a/examples/exchange_client/derivative_exchange_rpc/9_StreamPositions.py b/examples/exchange_client/derivative_exchange_rpc/9_StreamPositions.py
index c1bad053..425363ff 100644
--- a/examples/exchange_client/derivative_exchange_rpc/9_StreamPositions.py
+++ b/examples/exchange_client/derivative_exchange_rpc/9_StreamPositions.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
     subaccount_id = "0xea98e3aa091a6676194df40ac089e40ab4604bf9000000000000000000000000"
     positions = await client.stream_derivative_positions(
diff --git a/examples/exchange_client/explorer_rpc/10_GetIBCTransfers.py b/examples/exchange_client/explorer_rpc/10_GetIBCTransfers.py
index 38602907..68daf8d9 100644
--- a/examples/exchange_client/explorer_rpc/10_GetIBCTransfers.py
+++ b/examples/exchange_client/explorer_rpc/10_GetIBCTransfers.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     sender = "inj1cll5cv3ezgal30gagkhnq2um6zf6qrmhw4r6c8"
     receiver = "cosmos1usr9g5a4s2qrwl63sdjtrs2qd4a7huh622pg82"
     src_channel = "channel-2"
diff --git a/examples/exchange_client/explorer_rpc/1_GetTxByHash.py b/examples/exchange_client/explorer_rpc/1_GetTxByHash.py
index 7362d1e0..7fd480f8 100644
--- a/examples/exchange_client/explorer_rpc/1_GetTxByHash.py
+++ b/examples/exchange_client/explorer_rpc/1_GetTxByHash.py
@@ -3,12 +3,13 @@
 
 from pyinjective.async_client import AsyncClient
 from pyinjective.composer import Composer
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     composer = Composer(network=network.string())
     tx_hash = "0F3EBEC1882E1EEAC5B7BDD836E976250F1CD072B79485877CEACCB92ACDDF52"
     transaction_response = await client.get_tx_by_hash(tx_hash=tx_hash)
diff --git a/examples/exchange_client/explorer_rpc/2_AccountTxs.py b/examples/exchange_client/explorer_rpc/2_AccountTxs.py
index 7e5c7a3f..2fc3958b 100644
--- a/examples/exchange_client/explorer_rpc/2_AccountTxs.py
+++ b/examples/exchange_client/explorer_rpc/2_AccountTxs.py
@@ -3,12 +3,13 @@
 
 from pyinjective.async_client import AsyncClient
 from pyinjective.composer import Composer
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     composer = Composer(network=network.string())
     address = "inj1phd706jqzd9wznkk5hgsfkrc8jqxv0kmlj0kex"
     message_type = "cosmos.bank.v1beta1.MsgSend"
diff --git a/examples/exchange_client/explorer_rpc/3_Blocks.py b/examples/exchange_client/explorer_rpc/3_Blocks.py
index 0b636ffd..23d30dba 100644
--- a/examples/exchange_client/explorer_rpc/3_Blocks.py
+++ b/examples/exchange_client/explorer_rpc/3_Blocks.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     limit = 2
     block = await client.get_blocks(limit=limit)
     print(block)
diff --git a/examples/exchange_client/explorer_rpc/4_Block.py b/examples/exchange_client/explorer_rpc/4_Block.py
index 91aac693..92b17b12 100644
--- a/examples/exchange_client/explorer_rpc/4_Block.py
+++ b/examples/exchange_client/explorer_rpc/4_Block.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     block_height = "5825046"
     block = await client.get_block(block_height=block_height)
     print(block)
diff --git a/examples/exchange_client/explorer_rpc/5_TxsRequest.py b/examples/exchange_client/explorer_rpc/5_TxsRequest.py
index d8c53771..434b0779 100644
--- a/examples/exchange_client/explorer_rpc/5_TxsRequest.py
+++ b/examples/exchange_client/explorer_rpc/5_TxsRequest.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     limit = 2
     txs = await client.get_txs(limit=limit)
     print(txs)
diff --git a/examples/exchange_client/explorer_rpc/6_StreamTxs.py b/examples/exchange_client/explorer_rpc/6_StreamTxs.py
index d146ea81..6c173091 100644
--- a/examples/exchange_client/explorer_rpc/6_StreamTxs.py
+++ b/examples/exchange_client/explorer_rpc/6_StreamTxs.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     stream_txs = await client.stream_txs(
     )
     async for tx in stream_txs:
diff --git a/examples/exchange_client/explorer_rpc/7_StreamBlocks.py b/examples/exchange_client/explorer_rpc/7_StreamBlocks.py
index da755cdb..96b83935 100644
--- a/examples/exchange_client/explorer_rpc/7_StreamBlocks.py
+++ b/examples/exchange_client/explorer_rpc/7_StreamBlocks.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     stream_blocks = await client.stream_blocks(
     )
     async for block in stream_blocks:
diff --git a/examples/exchange_client/explorer_rpc/8_GetPeggyDeposits.py b/examples/exchange_client/explorer_rpc/8_GetPeggyDeposits.py
index b2ecb90a..97a8ab10 100644
--- a/examples/exchange_client/explorer_rpc/8_GetPeggyDeposits.py
+++ b/examples/exchange_client/explorer_rpc/8_GetPeggyDeposits.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     receiver = "inj1phd706jqzd9wznkk5hgsfkrc8jqxv0kmlj0kex"
     peggy_deposits = await client.get_peggy_deposits(receiver=receiver)
     print(peggy_deposits)
diff --git a/examples/exchange_client/explorer_rpc/9_GetPeggyWithdrawals.py b/examples/exchange_client/explorer_rpc/9_GetPeggyWithdrawals.py
index fc12d7a6..12264475 100644
--- a/examples/exchange_client/explorer_rpc/9_GetPeggyWithdrawals.py
+++ b/examples/exchange_client/explorer_rpc/9_GetPeggyWithdrawals.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     sender = "inj14au322k9munkmx5wrchz9q30juf5wjgz2cfqku"
     limit = 2
     peggy_deposits = await client.get_peggy_withdrawals(
diff --git a/examples/exchange_client/insurance_rpc/1_InsuranceFunds.py b/examples/exchange_client/insurance_rpc/1_InsuranceFunds.py
index 7dd3a207..487e64df 100644
--- a/examples/exchange_client/insurance_rpc/1_InsuranceFunds.py
+++ b/examples/exchange_client/insurance_rpc/1_InsuranceFunds.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     insurance_funds = await client.get_insurance_funds()
     print(insurance_funds)
 
diff --git a/examples/exchange_client/insurance_rpc/2_Redemptions.py b/examples/exchange_client/insurance_rpc/2_Redemptions.py
index de0582e7..8db3238b 100644
--- a/examples/exchange_client/insurance_rpc/2_Redemptions.py
+++ b/examples/exchange_client/insurance_rpc/2_Redemptions.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     redeemer = "inj14au322k9munkmx5wrchz9q30juf5wjgz2cfqku"
     redemption_denom = "share4"
     status = "disbursed"
diff --git a/examples/exchange_client/meta_rpc/1_Ping.py b/examples/exchange_client/meta_rpc/1_Ping.py
index 0745dcbc..dc505a7a 100644
--- a/examples/exchange_client/meta_rpc/1_Ping.py
+++ b/examples/exchange_client/meta_rpc/1_Ping.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     resp = await client.ping()
     print('Health OK?', resp)
 
diff --git a/examples/exchange_client/meta_rpc/2_Version.py b/examples/exchange_client/meta_rpc/2_Version.py
index 3ed2581d..48cb0b4c 100644
--- a/examples/exchange_client/meta_rpc/2_Version.py
+++ b/examples/exchange_client/meta_rpc/2_Version.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     resp = await client.version()
     print('Version:', resp)
 
diff --git a/examples/exchange_client/meta_rpc/3_Info.py b/examples/exchange_client/meta_rpc/3_Info.py
index c6b5ba32..9c3c2693 100644
--- a/examples/exchange_client/meta_rpc/3_Info.py
+++ b/examples/exchange_client/meta_rpc/3_Info.py
@@ -3,12 +3,13 @@
 import time
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     resp = await client.info()
     print('[!] Info:')
     print(resp)
diff --git a/examples/exchange_client/meta_rpc/4_StreamKeepAlive.py b/examples/exchange_client/meta_rpc/4_StreamKeepAlive.py
index e73ef56b..5d3c531b 100644
--- a/examples/exchange_client/meta_rpc/4_StreamKeepAlive.py
+++ b/examples/exchange_client/meta_rpc/4_StreamKeepAlive.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
 
     task1 = asyncio.create_task(get_markets(client))
     task2 = asyncio.create_task(keepalive(client, [task1]))
diff --git a/examples/exchange_client/oracle_rpc/1_StreamPrices.py b/examples/exchange_client/oracle_rpc/1_StreamPrices.py
index c4233229..788f02f2 100644
--- a/examples/exchange_client/oracle_rpc/1_StreamPrices.py
+++ b/examples/exchange_client/oracle_rpc/1_StreamPrices.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     base_symbol = 'BTC'
     quote_symbol = 'USDT'
     oracle_type = 'bandibc'
diff --git a/examples/exchange_client/oracle_rpc/2_Price.py b/examples/exchange_client/oracle_rpc/2_Price.py
index eb3abdd2..094d82d7 100644
--- a/examples/exchange_client/oracle_rpc/2_Price.py
+++ b/examples/exchange_client/oracle_rpc/2_Price.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     base_symbol = 'BTC'
     quote_symbol = 'USDT'
     oracle_type = 'bandibc'
diff --git a/examples/exchange_client/oracle_rpc/3_OracleList.py b/examples/exchange_client/oracle_rpc/3_OracleList.py
index 0eb58036..94cbd70b 100644
--- a/examples/exchange_client/oracle_rpc/3_OracleList.py
+++ b/examples/exchange_client/oracle_rpc/3_OracleList.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     oracle_list = await client.get_oracle_list()
     print(oracle_list)
 
diff --git a/examples/exchange_client/portfolio_rpc/1_AccountPortfolio.py b/examples/exchange_client/portfolio_rpc/1_AccountPortfolio.py
index 4ab4def8..707f602a 100644
--- a/examples/exchange_client/portfolio_rpc/1_AccountPortfolio.py
+++ b/examples/exchange_client/portfolio_rpc/1_AccountPortfolio.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     account_address = "inj1clw20s2uxeyxtam6f7m84vgae92s9eh7vygagt"
     portfolio = await client.get_account_portfolio(
         account_address=account_address
diff --git a/examples/exchange_client/portfolio_rpc/2_StreamAccountPortfolio.py b/examples/exchange_client/portfolio_rpc/2_StreamAccountPortfolio.py
index 9c37cb42..33c064f8 100644
--- a/examples/exchange_client/portfolio_rpc/2_StreamAccountPortfolio.py
+++ b/examples/exchange_client/portfolio_rpc/2_StreamAccountPortfolio.py
@@ -2,12 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     account_address = "inj1clw20s2uxeyxtam6f7m84vgae92s9eh7vygagt"
     updates = await client.stream_account_portfolio(account_address=account_address)
     async for update in updates:
diff --git a/examples/exchange_client/spot_exchange_rpc/10_StreamTrades.py b/examples/exchange_client/spot_exchange_rpc/10_StreamTrades.py
index 392be977..8f488d9b 100644
--- a/examples/exchange_client/spot_exchange_rpc/10_StreamTrades.py
+++ b/examples/exchange_client/spot_exchange_rpc/10_StreamTrades.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe",
         "0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0"
diff --git a/examples/exchange_client/spot_exchange_rpc/11_SubaccountOrdersList.py b/examples/exchange_client/spot_exchange_rpc/11_SubaccountOrdersList.py
index 178934c5..40a198db 100644
--- a/examples/exchange_client/spot_exchange_rpc/11_SubaccountOrdersList.py
+++ b/examples/exchange_client/spot_exchange_rpc/11_SubaccountOrdersList.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xc7dca7c15c364865f77a4fb67ab11dc95502e6fe000000000000000000000001"
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     skip = 10
diff --git a/examples/exchange_client/spot_exchange_rpc/12_SubaccountTradesList.py b/examples/exchange_client/spot_exchange_rpc/12_SubaccountTradesList.py
index f67816d8..9c6fbd5b 100644
--- a/examples/exchange_client/spot_exchange_rpc/12_SubaccountTradesList.py
+++ b/examples/exchange_client/spot_exchange_rpc/12_SubaccountTradesList.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     subaccount_id = "0xaf79152ac5df276d9a8e1e2e22822f9713474902000000000000000000000000"
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     execution_type = "market"
diff --git a/examples/exchange_client/spot_exchange_rpc/13_StreamOrderbooks.py b/examples/exchange_client/spot_exchange_rpc/13_StreamOrderbooks.py
index 5638b0d3..5592878b 100644
--- a/examples/exchange_client/spot_exchange_rpc/13_StreamOrderbooks.py
+++ b/examples/exchange_client/spot_exchange_rpc/13_StreamOrderbooks.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe",
         "0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0"
diff --git a/examples/exchange_client/spot_exchange_rpc/14_Orderbooks.py b/examples/exchange_client/spot_exchange_rpc/14_Orderbooks.py
index 59d23047..82f59a69 100644
--- a/examples/exchange_client/spot_exchange_rpc/14_Orderbooks.py
+++ b/examples/exchange_client/spot_exchange_rpc/14_Orderbooks.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = [
         "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe",
         "0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0"
diff --git a/examples/exchange_client/spot_exchange_rpc/15_HistoricalOrders.py b/examples/exchange_client/spot_exchange_rpc/15_HistoricalOrders.py
index 1e3266c9..a2ff4cec 100644
--- a/examples/exchange_client/spot_exchange_rpc/15_HistoricalOrders.py
+++ b/examples/exchange_client/spot_exchange_rpc/15_HistoricalOrders.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     subaccount_id = "0xbdaedec95d563fb05240d6e01821008454c24c36000000000000000000000000"
     skip = 10
diff --git a/examples/exchange_client/spot_exchange_rpc/16_OrderbooksV2.py b/examples/exchange_client/spot_exchange_rpc/16_OrderbooksV2.py
deleted file mode 100644
index 6a28009e..00000000
--- a/examples/exchange_client/spot_exchange_rpc/16_OrderbooksV2.py
+++ /dev/null
@@ -1,19 +0,0 @@
-import asyncio
-import logging
-
-from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
-
-async def main() -> None:
-    # select network: local, testnet, mainnet
-    network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
-    market_ids = [
-        "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe",
-        "0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0"
-    ]
-    orderbooks = await client.get_spot_orderbooksV2(market_ids=market_ids)
-    print(orderbooks)
-
-if __name__ == '__main__':
-    asyncio.get_event_loop().run_until_complete(main())
diff --git a/examples/exchange_client/spot_exchange_rpc/1_Market.py b/examples/exchange_client/spot_exchange_rpc/1_Market.py
index abc3b47a..e96f8d57 100644
--- a/examples/exchange_client/spot_exchange_rpc/1_Market.py
+++ b/examples/exchange_client/spot_exchange_rpc/1_Market.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     market = await client.get_spot_market(market_id=market_id)
     print(market)
diff --git a/examples/exchange_client/spot_exchange_rpc/2_Markets.py b/examples/exchange_client/spot_exchange_rpc/2_Markets.py
index 59f0590b..36f90f86 100644
--- a/examples/exchange_client/spot_exchange_rpc/2_Markets.py
+++ b/examples/exchange_client/spot_exchange_rpc/2_Markets.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_status = "active"
     base_denom = "inj"
     quote_denom = "peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5"
diff --git a/examples/exchange_client/spot_exchange_rpc/3_StreamMarkets.py b/examples/exchange_client/spot_exchange_rpc/3_StreamMarkets.py
index 90b4a1a2..d5e37a55 100644
--- a/examples/exchange_client/spot_exchange_rpc/3_StreamMarkets.py
+++ b/examples/exchange_client/spot_exchange_rpc/3_StreamMarkets.py
@@ -2,12 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     markets = await client.stream_spot_markets()
     async for market in markets:
         print(market)
diff --git a/examples/exchange_client/spot_exchange_rpc/4_Orderbook.py b/examples/exchange_client/spot_exchange_rpc/4_Orderbook.py
index 19b58933..60822926 100644
--- a/examples/exchange_client/spot_exchange_rpc/4_Orderbook.py
+++ b/examples/exchange_client/spot_exchange_rpc/4_Orderbook.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     orderbook = await client.get_spot_orderbookV2(market_id=market_id)
     print(orderbook)
diff --git a/examples/exchange_client/spot_exchange_rpc/6_Trades.py b/examples/exchange_client/spot_exchange_rpc/6_Trades.py
index 46cf0ee8..4745296f 100644
--- a/examples/exchange_client/spot_exchange_rpc/6_Trades.py
+++ b/examples/exchange_client/spot_exchange_rpc/6_Trades.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = ["0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"]
     execution_side = "taker"
     direction = "buy"
diff --git a/examples/exchange_client/spot_exchange_rpc/7_StreamOrderbookSnapshot.py b/examples/exchange_client/spot_exchange_rpc/7_StreamOrderbookSnapshot.py
index 5514502e..e46a8ca8 100644
--- a/examples/exchange_client/spot_exchange_rpc/7_StreamOrderbookSnapshot.py
+++ b/examples/exchange_client/spot_exchange_rpc/7_StreamOrderbookSnapshot.py
@@ -2,13 +2,13 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_ids = ["0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"]
     orderbooks = await client.stream_spot_orderbook_snapshot(market_ids=market_ids)
     async for orderbook in orderbooks:
diff --git a/examples/exchange_client/spot_exchange_rpc/8_StreamOrderbookUpdate.py b/examples/exchange_client/spot_exchange_rpc/8_StreamOrderbookUpdate.py
index b39bf981..bd5fc5fc 100644
--- a/examples/exchange_client/spot_exchange_rpc/8_StreamOrderbookUpdate.py
+++ b/examples/exchange_client/spot_exchange_rpc/8_StreamOrderbookUpdate.py
@@ -3,7 +3,7 @@
 from decimal import *
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 
 class PriceLevel:
@@ -50,7 +50,7 @@ async def load_orderbook_snapshot(async_client: AsyncClient, orderbook: Orderboo
 async def main() -> None:
     # select network: local, testnet, mainnet
     network = Network.testnet()
-    async_client = AsyncClient(network, insecure=False)
+    async_client = AsyncClient(network)
 
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     orderbook = Orderbook(market_id=market_id)
diff --git a/examples/exchange_client/spot_exchange_rpc/9_StreamHistoricalOrders.py b/examples/exchange_client/spot_exchange_rpc/9_StreamHistoricalOrders.py
index 6a10b2f4..96d0898c 100644
--- a/examples/exchange_client/spot_exchange_rpc/9_StreamHistoricalOrders.py
+++ b/examples/exchange_client/spot_exchange_rpc/9_StreamHistoricalOrders.py
@@ -2,11 +2,12 @@
 import logging
 
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
+
 
 async def main() -> None:
     network = Network.testnet()
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
     order_side = "buy"
     subaccount_id = "0xc6fe5d33615a1c52c08018c47e8bc53646a0e101000000000000000000000000"
diff --git a/pyinjective/__init__.py b/pyinjective/__init__.py
index e17ef7b1..841ee3e8 100644
--- a/pyinjective/__init__.py
+++ b/pyinjective/__init__.py
@@ -1,3 +1,3 @@
-from .client import Client
+from .async_client import AsyncClient
 from .transaction import Transaction
 from .wallet import PrivateKey, PublicKey, Address
diff --git a/pyinjective/async_client.py b/pyinjective/async_client.py
index 965d1549..3374f6c1 100644
--- a/pyinjective/async_client.py
+++ b/pyinjective/async_client.py
@@ -1,13 +1,18 @@
-import os
+import asyncio
 import time
+from copy import deepcopy
+
 import grpc
 import aiocron
-import logging
-import datetime
-from http.cookies import SimpleCookie
-from typing import List, Optional, Tuple, Union
+from decimal import Decimal
+from typing import Dict, List, Optional, Tuple, Union, Coroutine
+
+from pyinjective.composer import Composer
 
-from .exceptions import NotFoundError, EmptyMsgError
+from . import constant
+from .core.market import BinaryOptionMarket, DerivativeMarket, SpotMarket
+from .core.token import Token
+from .exceptions import NotFoundError
 
 from .proto.cosmos.base.abci.v1beta1 import abci_pb2 as abci_type
 
@@ -19,17 +24,10 @@
 from .proto.cosmos.auth.v1beta1 import (
     query_pb2_grpc as auth_query_grpc,
     query_pb2 as auth_query,
-    auth_pb2 as auth_type,
 )
 from .proto.cosmos.authz.v1beta1 import (
     query_pb2_grpc as authz_query_grpc,
     query_pb2 as authz_query,
-    authz_pb2 as authz_type,
-)
-from .proto.cosmos.authz.v1beta1 import (
-    query_pb2_grpc as authz_query_grpc,
-    query_pb2 as authz_query,
-    authz_pb2 as authz_type,
 )
 from .proto.cosmos.bank.v1beta1 import (
     query_pb2_grpc as bank_query_grpc,
@@ -64,7 +62,7 @@
     account_pb2
 )
 
-from .constant import Network
+from .core.network import Network
 from .utils.logger import LoggerProvider
 
 DEFAULT_TIMEOUTHEIGHT_SYNC_INTERVAL = 20  # seconds
@@ -78,39 +76,23 @@ def __init__(
             self,
             network: Network,
             insecure: bool = False,
-            load_balancer: bool = True,
             credentials=grpc.ssl_channel_credentials(),
-            chain_cookie_location=".chain_cookie",
     ):
-
-        # use append mode to create file if not exist
-        self.chain_cookie_location = chain_cookie_location
-        cookie_file = open(chain_cookie_location, "a+")
-        cookie_file.close()
+        # the `insecure` parameter is ignored and will be deprecated soon. The value is taken directly from `network`
 
         self.addr = ""
         self.number = 0
         self.sequence = 0
 
-        self.cookie_type = None
-        self.expiration_format = None
-        self.load_balancer = load_balancer
         self.network = network
-        self.cookie_type = "GCLB"
-        self.expiration_format = "{}"
-
-        if self.network.string() == "testnet":
-            self.load_balancer = False
-            self.cookie_type = "grpc-cookie"
-            self.expiration_format = "20{}"
 
         # chain stubs
         self.chain_channel = (
-            grpc.aio.insecure_channel(network.grpc_endpoint)
-            if (insecure or credentials is None)
-            else grpc.aio.secure_channel(network.grpc_endpoint, credentials)
+            grpc.aio.secure_channel(network.grpc_endpoint, credentials)
+            if (network.use_secure_connection and credentials is not None)
+            else grpc.aio.insecure_channel(network.grpc_endpoint)
         )
-        self.insecure = insecure
+
         self.stubCosmosTendermint = tendermint_query_grpc.ServiceStub(
             self.chain_channel
         )
@@ -119,22 +101,14 @@ def __init__(
         self.stubBank = bank_query_grpc.QueryStub(self.chain_channel)
         self.stubTx = tx_service_grpc.ServiceStub(self.chain_channel)
 
-        # attempt to load from disk
-        cookie_file = open(chain_cookie_location, "r+")
-        self.chain_cookie = cookie_file.read()
-        cookie_file.close()
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"chain session cookie loaded from disk: {self.chain_cookie}"
-        )
-
         self.exchange_cookie = ""
         self.timeout_height = 1
 
         # exchange stubs
         self.exchange_channel = (
-            grpc.aio.insecure_channel(network.grpc_exchange_endpoint)
-            if (insecure or credentials is None)
-            else grpc.aio.secure_channel(network.grpc_exchange_endpoint, credentials)
+            grpc.aio.secure_channel(network.grpc_exchange_endpoint, credentials)
+            if (network.use_secure_connection and credentials is not None)
+            else grpc.aio.insecure_channel(network.grpc_exchange_endpoint)
         )
         self.stubMeta = exchange_meta_rpc_grpc.InjectiveMetaRPCStub(
             self.exchange_channel
@@ -163,9 +137,9 @@ def __init__(
 
         # explorer stubs
         self.explorer_channel = (
-            grpc.aio.insecure_channel(network.grpc_explorer_endpoint)
-            if (insecure or credentials is None)
-            else grpc.aio.secure_channel(network.grpc_explorer_endpoint, credentials)
+            grpc.aio.secure_channel(network.grpc_explorer_endpoint, credentials)
+            if (network.use_secure_connection and credentials is not None)
+            else grpc.aio.insecure_channel(network.grpc_explorer_endpoint)
         )
         self.stubExplorer = explorer_rpc_grpc.InjectiveExplorerRPCStub(
             self.explorer_channel
@@ -179,6 +153,40 @@ def __init__(
             start=True,
         )
 
+        self._tokens_and_markets_initialization_lock = asyncio.Lock()
+        self._tokens: Optional[Dict[str, Token]] = None
+        self._spot_markets: Optional[Dict[str, SpotMarket]] = None
+        self._derivative_markets: Optional[Dict[str, DerivativeMarket]] = None
+        self._binary_option_markets: Optional[Dict[str, BinaryOptionMarket]] = None
+
+    async def all_tokens(self) -> Dict[str, Token]:
+        if self._tokens is None:
+            async with self._tokens_and_markets_initialization_lock:
+                if self._tokens is None:
+                    await self._initialize_tokens_and_markets()
+        return deepcopy(self._tokens)
+
+    async def all_spot_markets(self) -> Dict[str, SpotMarket]:
+        if self._spot_markets is None:
+            async with self._tokens_and_markets_initialization_lock:
+                if self._spot_markets is None:
+                    await self._initialize_tokens_and_markets()
+        return deepcopy(self._spot_markets)
+
+    async def all_derivative_markets(self) -> Dict[str, DerivativeMarket]:
+        if self._derivative_markets is None:
+            async with self._tokens_and_markets_initialization_lock:
+                if self._derivative_markets is None:
+                    await self._initialize_tokens_and_markets()
+        return deepcopy(self._derivative_markets)
+
+    async def all_binary_option_markets(self) -> Dict[str, BinaryOptionMarket]:
+        if self._binary_option_markets is None:
+            async with self._tokens_and_markets_initialization_lock:
+                if self._binary_option_markets is None:
+                    await self._initialize_tokens_and_markets()
+        return deepcopy(self._binary_option_markets)
+
     def get_sequence(self):
         current_seq = self.sequence
         self.sequence += 1
@@ -208,91 +216,6 @@ async def sync_timeout_height(self):
             )
             self.timeout_height = 0
 
-    # cookie helper methods
-    async def fetch_cookie(self, type):
-        metadata = None
-        if type == "chain":
-            req = tendermint_query.GetLatestBlockRequest()
-            metadata = await self.stubCosmosTendermint.GetLatestBlock(
-                req
-            ).initial_metadata()
-            time.sleep(DEFAULT_BLOCK_TIME)
-        if type == "exchange":
-            req = exchange_meta_rpc_pb.VersionRequest()
-            metadata = await self.stubMeta.Version(req).initial_metadata()
-        return metadata
-
-    async def renew_cookie(self, existing_cookie, type):
-        metadata = None
-        # format cookie date into RFC1123 standard
-        cookie = SimpleCookie()
-        cookie.load(existing_cookie)
-
-        expires_at = cookie.get(f"{self.cookie_type}").get("expires")
-        expires_at = expires_at.replace("-", " ")
-        yyyy = f"{self.expiration_format}".format(expires_at[12:14])
-        expires_at = expires_at[:12] + yyyy + expires_at[14:]
-
-        # parse expire field to unix timestamp
-        expire_timestamp = datetime.datetime.strptime(
-            expires_at, "%a, %d %b %Y %H:%M:%S GMT"
-        ).timestamp()
-
-        # renew session if timestamp diff < offset
-        timestamp_diff = expire_timestamp - int(time.time())
-        if timestamp_diff < DEFAULT_SESSION_RENEWAL_OFFSET:
-            metadata = await self.fetch_cookie(type)
-        else:
-            metadata = (("cookie", existing_cookie),)
-        return metadata
-
-    async def load_cookie(self, type):
-        metadata = None
-        if self.insecure:
-            return metadata
-
-        if type == "chain":
-            if self.chain_cookie != "":
-                metadata = await self.renew_cookie(self.chain_cookie, type)
-                self.set_cookie(metadata, type)
-            else:
-                metadata = await self.fetch_cookie(type)
-                self.set_cookie(metadata, type)
-
-        if type == "exchange":
-            if self.exchange_cookie != "":
-                metadata = await self.renew_cookie(self.exchange_cookie, type)
-                self.set_cookie(metadata, type)
-            else:
-                metadata = await self.fetch_cookie(type)
-                self.set_cookie(metadata, type)
-
-        return metadata
-
-    def set_cookie(self, metadata, type):
-        new_cookie = None
-        if self.insecure:
-            return new_cookie
-
-        for k, v in metadata:
-            if k == "set-cookie":
-                new_cookie = v
-
-        if new_cookie == None:
-            return
-
-        if type == "chain":
-            # write to client instance
-            self.chain_cookie = new_cookie
-            # write to disk
-            cookie_file = open(self.chain_cookie_location, "w")
-            cookie_file.write(new_cookie)
-            cookie_file.close()
-            LoggerProvider().logger_for_class(logging_class=self.__class__).info("chain session cookie saved to disk")
-
-        if type == "exchange":
-            self.exchange_cookie = new_cookie
-
     # default client methods
     async def get_latest_block(self) -> tendermint_query.GetLatestBlockResponse:
         req = tendermint_query.GetLatestBlockRequest()
@@ -300,7 +223,8 @@ async def get_latest_block(self) -> tendermint_query.GetLatestBlockResponse:
 
     async def get_account(self, address: str) -> Optional[account_pb2.EthAccount]:
         try:
-            metadata = await self.load_cookie(type="chain")
+            metadata = await self.network.chain_metadata(
+                metadata_query_provider=self._chain_cookie_metadata_requestor)
             account_any = (await self.stubAuth.Account(
                 auth_query.QueryAccountRequest(address=address), metadata=metadata
             )).account
@@ -338,7 +262,8 @@ async def simulate_tx(
     ) -> Tuple[Union[abci_type.SimulationResponse, grpc.RpcError], bool]:
         try:
             req = tx_service.SimulateRequest(tx_bytes=tx_byte)
-            metadata = await self.load_cookie(type="chain")
+            metadata = await self.network.chain_metadata(
+                metadata_query_provider=self._chain_cookie_metadata_requestor)
             return await self.stubTx.Simulate(request=req, metadata=metadata), True
         except grpc.RpcError as err:
             return err, False
@@ -347,7 +272,7 @@ async def send_tx_sync_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
         req = tx_service.BroadcastTxRequest(
             tx_bytes=tx_byte, mode=tx_service.BroadcastMode.BROADCAST_MODE_SYNC
         )
-        metadata = await self.load_cookie(type="chain")
+        metadata = await self.network.chain_metadata(metadata_query_provider=self._chain_cookie_metadata_requestor)
         result = await self.stubTx.BroadcastTx(request=req, metadata=metadata)
         return result.tx_response
 
@@ -355,7 +280,7 @@ async def send_tx_async_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
         req = tx_service.BroadcastTxRequest(
             tx_bytes=tx_byte, mode=tx_service.BroadcastMode.BROADCAST_MODE_ASYNC
         )
-        metadata = await self.load_cookie(type="chain")
+        metadata = await self.network.chain_metadata(metadata_query_provider=self._chain_cookie_metadata_requestor)
         result = await self.stubTx.BroadcastTx(request=req, metadata=metadata)
         return result.tx_response
 
@@ -363,7 +288,7 @@ async def send_tx_block_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
         req = tx_service.BroadcastTxRequest(
             tx_bytes=tx_byte, mode=tx_service.BroadcastMode.BROADCAST_MODE_BLOCK
         )
-        metadata = await self.load_cookie(type="chain")
+        metadata = await self.network.chain_metadata(metadata_query_provider=self._chain_cookie_metadata_requestor)
         result = await self.stubTx.BroadcastTx(request=req, metadata=metadata)
         return result.tx_response
 
@@ -631,7 +556,9 @@ async def stream_spot_markets(self, **kwargs):
         req = spot_exchange_rpc_pb.StreamMarketsRequest(
             market_ids=kwargs.get("market_ids")
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamMarkets(request=req, metadata=metadata)
 
     async def get_spot_orderbookV2(self, market_id: str):
@@ -688,12 +615,16 @@ async def get_spot_trades(self, **kwargs):
 
     async def stream_spot_orderbook_snapshot(self, market_ids: List[str]):
         req = spot_exchange_rpc_pb.StreamOrderbookV2Request(market_ids=market_ids)
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamOrderbookV2(request=req, metadata=metadata)
 
     async def stream_spot_orderbook_update(self, market_ids: List[str]):
         req = spot_exchange_rpc_pb.StreamOrderbookUpdateRequest(market_ids=market_ids)
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamOrderbookUpdate(request=req, metadata=metadata)
 
     async def stream_spot_orders(self, market_id: str, **kwargs):
@@ -702,7 +633,9 @@ async def stream_spot_orders(self, market_id: str, **kwargs):
             order_side=kwargs.get("order_side"),
             subaccount_id=kwargs.get("subaccount_id"),
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamOrders(request=req, metadata=metadata)
 
     async def stream_historical_spot_orders(self, market_id: str, **kwargs):
@@ -714,7 +647,9 @@ async def stream_historical_spot_orders(self, market_id: str, **kwargs):
             state=kwargs.get("state"),
             execution_types=kwargs.get("execution_types")
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamOrdersHistory(request=req, metadata=metadata)
 
     async def stream_historical_derivative_orders(self, market_id: str, **kwargs):
@@ -726,7 +661,9 @@ async def stream_historical_derivative_orders(self, market_id: str, **kwargs):
             state=kwargs.get("state"),
             execution_types=kwargs.get("execution_types")
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamOrdersHistory(request=req, metadata=metadata)
 
     async def stream_spot_trades(self, **kwargs):
@@ -739,7 +676,9 @@ async def stream_spot_trades(self, **kwargs):
             subaccount_ids=kwargs.get("subaccount_ids"),
             execution_types=kwargs.get("execution_types"),
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubSpotExchange.StreamTrades(request=req, metadata=metadata)
 
     async def get_spot_subaccount_orders(self, subaccount_id: str, **kwargs):
@@ -779,7 +718,9 @@ async def stream_derivative_markets(self, **kwargs):
         req = derivative_exchange_rpc_pb.StreamMarketRequest(
             market_ids=kwargs.get("market_ids")
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamMarket(request=req, metadata=metadata)
 
     async def get_derivative_orderbook(self, market_id: str):
@@ -845,12 +786,16 @@ async def get_derivative_trades(self, **kwargs):
 
     async def stream_derivative_orderbook_snapshot(self, market_ids: List[str]):
         req = derivative_exchange_rpc_pb.StreamOrderbookV2Request(market_ids=market_ids)
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamOrderbookV2(request=req, metadata=metadata)
 
     async def stream_derivative_orderbook_update(self, market_ids: List[str]):
         req = derivative_exchange_rpc_pb.StreamOrderbookUpdateRequest(market_ids=market_ids)
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamOrderbookUpdate(request=req, metadata=metadata)
 
     async def stream_derivative_orders(self, market_id: str, **kwargs):
@@ -859,7 +804,9 @@ async def stream_derivative_orders(self, market_id: str, **kwargs):
             order_side=kwargs.get("order_side"),
             subaccount_id=kwargs.get("subaccount_id"),
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamOrders(request=req, metadata=metadata)
 
     async def stream_derivative_trades(self, **kwargs):
@@ -874,7 +821,9 @@ async def stream_derivative_trades(self, **kwargs):
             limit=kwargs.get("limit"),
             execution_types=kwargs.get("execution_types"),
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamTrades(request=req, metadata=metadata)
 
     async def get_derivative_positions(self, **kwargs):
@@ -896,7 +845,9 @@ async def stream_derivative_positions(self, **kwargs):
             subaccount_id=kwargs.get("subaccount_id"),
             subaccount_ids=kwargs.get("subaccount_ids"),
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubDerivativeExchange.StreamPositions(request=req, metadata=metadata)
 
     async def get_derivative_liquidable_positions(self, **kwargs):
@@ -944,7 +895,7 @@ async def get_funding_rates(self, market_id: str, **kwargs):
             skip=kwargs.get("skip"),
             limit=kwargs.get("limit"),
             end_time=kwargs.get("end_time"),
-)
+        )
         return await self.stubDerivativeExchange.FundingRates(req)
 
     async def get_binary_options_markets(self, **kwargs):
@@ -972,5 +923,157 @@ async def stream_account_portfolio(self, account_address: str, **kwargs):
             subaccount_id=kwargs.get("subaccount_id"),
             type=kwargs.get("type")
         )
-        metadata = await self.load_cookie(type="exchange")
+        metadata = await self.network.exchange_metadata(
+            metadata_query_provider=self._exchange_cookie_metadata_requestor
+        )
         return self.stubPortfolio.StreamAccountPortfolio(request=req, metadata=metadata)
+
+    async def composer(self):
+        return Composer(
+            network=self.network.string(),
+            spot_markets=await self.all_spot_markets(),
+            derivative_markets=await self.all_derivative_markets(),
+            binary_option_markets=await self.all_binary_option_markets(),
+            tokens=await self.all_tokens(),
+        )
+
+    async def _initialize_tokens_and_markets(self):
+        spot_markets = dict()
+        derivative_markets = dict()
+        binary_option_markets = dict()
+        tokens = dict()
+        tokens_by_denom = dict()
+        markets_info = (await self.get_spot_markets()).markets
+
+        for market_info in markets_info:
+            if "/" in market_info.ticker:
+                base_token_symbol, quote_token_symbol = market_info.ticker.split(constant.TICKER_TOKENS_SEPARATOR)
+            else:
+                base_token_symbol = market_info.base_token_meta.symbol
+                quote_token_symbol = market_info.quote_token_meta.symbol
+
+            base_token = self._token_representation(
+                symbol=base_token_symbol,
+                token_meta=market_info.base_token_meta,
+                denom=market_info.base_denom,
+                all_tokens=tokens,
+            )
+            if base_token.denom not in tokens_by_denom:
+                tokens_by_denom[base_token.denom] = base_token
+
+            quote_token = self._token_representation(
+                symbol=quote_token_symbol,
+                token_meta=market_info.quote_token_meta,
+                denom=market_info.quote_denom,
+                all_tokens=tokens,
+            )
+            if quote_token.denom not in tokens_by_denom:
+                tokens_by_denom[quote_token.denom] = quote_token
+
+            market = SpotMarket(
+                id=market_info.market_id,
+                status=market_info.market_status,
+                ticker=market_info.ticker,
+                base_token=base_token,
+                quote_token=quote_token,
+                maker_fee_rate=Decimal(market_info.maker_fee_rate),
+                taker_fee_rate=Decimal(market_info.taker_fee_rate),
+                service_provider_fee=Decimal(market_info.service_provider_fee),
+                min_price_tick_size=Decimal(market_info.min_price_tick_size),
+                min_quantity_tick_size=Decimal(market_info.min_quantity_tick_size),
+            )
+
+            spot_markets[market.id] = market
+
+        markets_info = (await self.get_derivative_markets()).markets
+        for market_info in markets_info:
+            quote_token_symbol = market_info.quote_token_meta.symbol
+
+            quote_token = self._token_representation(
+                symbol=quote_token_symbol,
+                token_meta=market_info.quote_token_meta,
+                denom=market_info.quote_denom,
+                all_tokens=tokens,
+            )
+            if quote_token.denom not in tokens_by_denom:
+                tokens_by_denom[quote_token.denom] = quote_token
+
+            market = DerivativeMarket(
+                id=market_info.market_id,
+                status=market_info.market_status,
+                ticker=market_info.ticker,
+                oracle_base=market_info.oracle_base,
+                oracle_quote=market_info.oracle_quote,
+                oracle_type=market_info.oracle_type,
+                oracle_scale_factor=market_info.oracle_scale_factor,
+                initial_margin_ratio=Decimal(market_info.initial_margin_ratio),
+                maintenance_margin_ratio=Decimal(market_info.maintenance_margin_ratio),
+                quote_token=quote_token,
+                maker_fee_rate=Decimal(market_info.maker_fee_rate),
+                taker_fee_rate = Decimal(market_info.taker_fee_rate),
+                service_provider_fee = Decimal(market_info.service_provider_fee),
+                min_price_tick_size = Decimal(market_info.min_price_tick_size),
+                min_quantity_tick_size = Decimal(market_info.min_quantity_tick_size),
+            )
+
+            derivative_markets[market.id] = market
+
+        markets_info = (await self.get_binary_options_markets()).markets
+        for market_info in markets_info:
+            quote_token = tokens_by_denom.get(market_info.quote_denom, None)
+
+            market = BinaryOptionMarket(
+                id=market_info.market_id,
+                status=market_info.market_status,
+                ticker=market_info.ticker,
+                oracle_symbol=market_info.oracle_symbol,
+                oracle_provider=market_info.oracle_provider,
+                oracle_type=market_info.oracle_type,
+                oracle_scale_factor=market_info.oracle_scale_factor,
+                expiration_timestamp=market_info.expiration_timestamp,
+                settlement_timestamp=market_info.settlement_timestamp,
+                quote_token=quote_token,
+                maker_fee_rate=Decimal(market_info.maker_fee_rate),
+                taker_fee_rate=Decimal(market_info.taker_fee_rate),
+                service_provider_fee=Decimal(market_info.service_provider_fee),
+                min_price_tick_size=Decimal(market_info.min_price_tick_size),
+                min_quantity_tick_size=Decimal(market_info.min_quantity_tick_size),
+            )
+
+            binary_option_markets[market.id] = market
+
+        self._tokens = tokens
+        self._spot_markets = spot_markets
+        self._derivative_markets = derivative_markets
+        self._binary_option_markets = binary_option_markets
+
+    def _token_representation(self, symbol: str, token_meta, denom: str, all_tokens: Dict[str, Token]) -> Token:
+        token = Token(
+            name=token_meta.name,
+            symbol=symbol,
+            denom=denom,
+            address=token_meta.address,
+            decimals=token_meta.decimals,
+            logo=token_meta.logo,
+            updated=token_meta.updated_at,
+        )
+
+        existing_token = all_tokens.get(token.symbol, None)
+        if existing_token is None:
+            all_tokens[token.symbol] = token
+            existing_token = token
+        elif existing_token.denom != denom:
+            existing_token = all_tokens.get(token.name, None)
+            if existing_token is None:
+                all_tokens[token.name] = token
+                existing_token = token
+
+        return existing_token
+
+    def _chain_cookie_metadata_requestor(self) -> Coroutine:
+        request = tendermint_query.GetLatestBlockRequest()
+        return self.stubCosmosTendermint.GetLatestBlock(request).initial_metadata()
+
+    def _exchange_cookie_metadata_requestor(self) -> Coroutine:
+        request = exchange_meta_rpc_pb.VersionRequest()
+        return self.stubMeta.Version(request).initial_metadata()
diff --git a/pyinjective/client.py b/pyinjective/client.py
deleted file mode 100644
index 662d9840..00000000
--- a/pyinjective/client.py
+++ /dev/null
@@ -1,692 +0,0 @@
-import os
-import time
-import grpc
-import datetime
-import threading
-from http.cookies import SimpleCookie
-from typing import List, Optional, Tuple, Union
-
-from .exceptions import NotFoundError, EmptyMsgError
-
-from .proto.cosmos.base.abci.v1beta1 import abci_pb2 as abci_type
-
-from .proto.cosmos.base.tendermint.v1beta1 import (
-    query_pb2_grpc as tendermint_query_grpc,
-    query_pb2 as tendermint_query,
-)
-from .proto.cosmos.auth.v1beta1 import (
-    query_pb2_grpc as auth_query_grpc,
-    query_pb2 as auth_query,
-    auth_pb2 as auth_type,
-)
-from .proto.cosmos.authz.v1beta1 import (
-    query_pb2_grpc as authz_query_grpc,
-    query_pb2 as authz_query,
-    authz_pb2 as authz_type,
-)
-from .proto.cosmos.tx.v1beta1 import (
-    service_pb2_grpc as tx_service_grpc,
-    service_pb2 as tx_service,
-)
-from .proto.exchange import (
-    injective_accounts_rpc_pb2 as exchange_accounts_rpc_pb,
-    injective_accounts_rpc_pb2_grpc as exchange_accounts_rpc_grpc,
-    injective_oracle_rpc_pb2 as oracle_rpc_pb,
-    injective_oracle_rpc_pb2_grpc as oracle_rpc_grpc,
-    injective_insurance_rpc_pb2 as insurance_rpc_pb,
-    injective_insurance_rpc_pb2_grpc as insurance_rpc_grpc,
-    injective_spot_exchange_rpc_pb2 as spot_exchange_rpc_pb,
-    injective_spot_exchange_rpc_pb2_grpc as spot_exchange_rpc_grpc,
-    injective_derivative_exchange_rpc_pb2 as derivative_exchange_rpc_pb,
-    injective_derivative_exchange_rpc_pb2_grpc as derivative_exchange_rpc_grpc,
-    injective_meta_rpc_pb2 as exchange_meta_rpc_pb,
-    injective_meta_rpc_pb2_grpc as exchange_meta_rpc_grpc,
-    injective_explorer_rpc_pb2 as explorer_rpc_pb,
-    injective_explorer_rpc_pb2_grpc as explorer_rpc_grpc,
-    injective_auction_rpc_pb2 as auction_rpc_pb,
-    injective_auction_rpc_pb2_grpc as auction_rpc_grpc,
-)
-
-from .constant import Network
-
-DEFAULT_TIMEOUTHEIGHT_SYNC_INTERVAL = 10 # seconds
-DEFAULT_TIMEOUTHEIGHT = 20 # blocks
-DEFAULT_SESSION_RENEWAL_OFFSET = 120 # seconds
-DEFAULT_BLOCK_TIME = 3 # seconds
-
-class Client:
-    def __init__(
-        self,
-        network: Network,
-        insecure: bool = False,
-        credentials = grpc.ssl_channel_credentials()
-    ):
-
-        # chain stubs
-        self.chain_channel = (
-            grpc.insecure_channel(network.grpc_endpoint)
-            if insecure else grpc.secure_channel(network.grpc_endpoint, credentials)
-        )
-        self.stubCosmosTendermint = tendermint_query_grpc.ServiceStub(self.chain_channel)
-        self.stubAuth = auth_query_grpc.QueryStub(self.chain_channel)
-        self.stubAuthz = authz_query_grpc.QueryStub(self.chain_channel)
-        self.stubTx = tx_service_grpc.ServiceStub(self.chain_channel)
-        self.chain_cookie = ""
-        self.exchange_cookie = ""
-        self.timeout_height = 1
-
-        # exchange stubs
-        self.exchange_channel = (
-            grpc.insecure_channel(network.grpc_exchange_endpoint)
-            if insecure else grpc.secure_channel(network.grpc_exchange_endpoint, credentials)
-        )
-
-        self.stubMeta = exchange_meta_rpc_grpc.InjectiveMetaRPCStub(self.exchange_channel)
-        self.stubExchangeAccount = exchange_accounts_rpc_grpc.InjectiveAccountsRPCStub(
-            self.exchange_channel
-        )
-        self.stubOracle = oracle_rpc_grpc.InjectiveOracleRPCStub(self.exchange_channel)
-        self.stubInsurance = insurance_rpc_grpc.InjectiveInsuranceRPCStub(
-            self.exchange_channel
-        )
-        self.stubSpotExchange = spot_exchange_rpc_grpc.InjectiveSpotExchangeRPCStub(
-            self.exchange_channel
-        )
-        self.stubDerivativeExchange = (
-            derivative_exchange_rpc_grpc.InjectiveDerivativeExchangeRPCStub(
-                self.exchange_channel
-            )
-        )
-        self.stubExplorer = explorer_rpc_grpc.InjectiveExplorerRPCStub(self.exchange_channel)
-        self.stubAuction = auction_rpc_grpc.InjectiveAuctionRPCStub(self.exchange_channel)
-
-    def close_exchange_channel(self):
-        self.exchange_channel.close()
-
-    def close_chain_channel(self):
-        self.chain_channel.close()
-
-        # timeout height update routine
-        self.sync_timeout_height()
-
-    def sync_timeout_height(self):
-        threading.Timer(DEFAULT_TIMEOUTHEIGHT_SYNC_INTERVAL, self.sync_timeout_height).start()
-        block = self.get_latest_block()
-        self.timeout_height = block.block.header.height + DEFAULT_TIMEOUTHEIGHT
-
-    # cookie helper methods
-    def get_cookie(self, type):
-        metadata = None
-        if type == "chain":
-            if self.chain_cookie != "":
-                metadata = (("cookie", self.chain_cookie),)
-
-		        # format cookie date into RFC1123 standard
-                cookie = SimpleCookie()
-                cookie.load(self.chain_cookie)
-                expires_at = cookie.get("grpc-cookie").get("expires")
-                expires_at = expires_at.replace("-"," ")
-                yyyy = "20{}".format(expires_at[12:14])
-                expires_at = expires_at[:12] + yyyy + expires_at[14:]
-
-                # parse expire field to unix timestamp
-                expire_timestamp = datetime.datetime.strptime(expires_at, "%a, %d %b %Y %H:%M:%S GMT").timestamp()
-
-                # renew session if timestamp diff < offset
-                timestamp_diff = expire_timestamp - int(time.time())
-                if timestamp_diff < DEFAULT_SESSION_RENEWAL_OFFSET:
-                    # request and set new cookie
-                    req = tendermint_query.GetLatestBlockRequest()
-                    res, call = self.stubCosmosTendermint.GetLatestBlock.with_call(req)
-                    self.set_cookie(call,type="chain")
-                    time.sleep(DEFAULT_BLOCK_TIME)
-                    metadata = (("cookie", self.chain_cookie),)
-                    return metadata
-            return metadata
-
-        if type == "exchange":
-            if self.exchange_cookie != "":
-                metadata = (("cookie", self.exchange_cookie),)
-        return metadata
-
-    def set_cookie(self, call, type):
-        new_cookie = None
-        for k, v in call.initial_metadata():
-            if k == "set-cookie":
-                new_cookie = v
-
-        if new_cookie == None:
-            return
-
-        if type == "chain":
-            self.chain_cookie = new_cookie
-        if type == "exchange":
-            self.exchange_cookie = new_cookie
-
-    # default client methods
-    def get_latest_block(self) -> tendermint_query.GetLatestBlockResponse:
-        return self.stubCosmosTendermint.GetLatestBlock(
-            tendermint_query.GetLatestBlockRequest()
-        )
-
-    def get_account(self, address: str) -> Optional[auth_type.BaseAccount]:
-        try:
-            account_any = self.stubAuth.Account(
-                auth_query.QueryAccountRequest(address=address)
-            ).account
-            account = auth_type.BaseAccount()
-            if account_any.Is(account.DESCRIPTOR):
-                account_any.Unpack(account)
-                return account
-        except:
-            return None
-
-    def get_request_id_by_tx_hash(self, tx_hash: bytes) -> List[int]:
-        tx = self.stubTx.GetTx(tx_service.GetTxRequest(hash=tx_hash))
-        request_ids = []
-        for tx in tx.tx_response.logs:
-            request_event = [
-                event
-                for event in tx.events
-                if event.type == "request" or event.type == "report"
-            ]
-            if len(request_event) == 1:
-                attrs = request_event[0].attributes
-                attr_id = [attr for attr in attrs if attr.key == "id"]
-                if len(attr_id) == 1:
-                    request_id = attr_id[0].value
-                    request_ids.append(int(request_id))
-        if len(request_ids) == 0:
-            raise NotFoundError("Request Id is not found")
-        return request_ids
-
-    def simulate_tx(
-        self, tx_byte: bytes
-    ) -> Tuple[Union[abci_type.SimulationResponse, grpc.RpcError], bool]:
-        try:
-            req = tx_service.SimulateRequest(tx_bytes=tx_byte)
-
-            metadata = self.get_cookie(type="chain")
-            res, call = self.stubTx.Simulate.with_call(req, metadata=metadata)
-            self.set_cookie(call,type="chain")
-
-            return res, True
-
-        except grpc.RpcError as err:
-            return err, False
-
-    def send_tx_sync_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
-        req = tx_service.BroadcastTxRequest(
-            tx_bytes=tx_byte, mode=tx_service.BroadcastMode.BROADCAST_MODE_SYNC
-        )
-        metadata = self.get_cookie(type="chain")
-        res, call = self.stubTx.BroadcastTx.with_call(req, metadata=metadata)
-        self.set_cookie(call,type="chain")
-
-        return res.tx_response
-
-    def send_tx_async_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
-        req = tx_service.BroadcastTxRequest(
-            tx_bytes=tx_byte,
-            mode=tx_service.BroadcastMode.BROADCAST_MODE_ASYNC
-        )
-        metadata = self.get_cookie(type="chain")
-        res, call = self.stubTx.BroadcastTx.with_call(req, metadata=metadata)
-        self.set_cookie(call,type="chain")
-
-        return res.tx_response
-
-    def send_tx_block_mode(self, tx_byte: bytes) -> abci_type.TxResponse:
-        req = tx_service.BroadcastTxRequest(
-            tx_bytes=tx_byte,
-            mode=tx_service.BroadcastMode.BROADCAST_MODE_BLOCK
-        )
-        metadata = self.get_cookie(type="chain")
-        res, call = self.stubTx.BroadcastTx.with_call(req, metadata=metadata)
-        self.set_cookie(call,type="chain")
-
-        return res.tx_response
-
-    def get_chain_id(self) -> str:
-        latest_block = self.get_latest_block()
-        return latest_block.block.header.chain_id
-
-    def get_grants(self, granter: str, grantee: str, **kwargs):
-        return self.stubAuthz.Grants(
-            authz_query.QueryGrantsRequest(
-                granter=granter,
-                grantee=grantee,
-                msg_type_url=kwargs.get("msg_type_url"),
-            )
-        )
-
-    # Injective Exchange client methods
-
-    # Auction RPC
-
-    def get_auction(self, bid_round: int):
-        req = auction_rpc_pb.AuctionRequest(round=bid_round)
-        return self.stubAuction.AuctionEndpoint(req)
-
-    def get_auctions(self):
-        req = auction_rpc_pb.AuctionsRequest()
-        return self.stubAuction.Auctions(req)
-
-    def stream_bids(self):
-        req = auction_rpc_pb.StreamBidsRequest()
-        return self.stubAuction.StreamBids(req)
-
-    # Meta RPC
-
-    def ping(self):
-        req = exchange_meta_rpc_pb.PingRequest()
-        return self.stubMeta.Ping(req)
-
-    def version(self):
-        req = exchange_meta_rpc_pb.VersionRequest()
-        return self.stubMeta.Version(req)
-
-    def info(self):
-        req = exchange_meta_rpc_pb.InfoRequest(
-            timestamp=int(time.time() * 1000),
-        )
-        return self.stubMeta.Info(req)
-
-    def stream_keepalive(self):
-        req = exchange_meta_rpc_pb.StreamKeepaliveRequest()
-        return self.stubMeta.StreamKeepalive(req)
-
-    # Explorer RPC
-
-    def get_tx_by_hash(self, tx_hash: str):
-        req = explorer_rpc_pb.GetTxByTxHashRequest(hash=tx_hash)
-        return self.stubExplorer.GetTxByTxHash(req)
-
-    # AccountsRPC
-
-    def stream_subaccount_balance(self, subaccount_id: str):
-        req = exchange_accounts_rpc_pb.StreamSubaccountBalanceRequest(
-            subaccount_id=subaccount_id
-        )
-        return self.stubExchangeAccount.StreamSubaccountBalance(req)
-
-    def get_subaccount_balance(self, subaccount_id: str, denom: str):
-        req = exchange_accounts_rpc_pb.SubaccountBalanceRequest(
-            subaccount_id=subaccount_id, denom=denom
-        )
-        return self.stubExchangeAccount.SubaccountBalanceEndpoint(req)
-
-    def get_subaccount_list(self, account_address: str):
-        req = exchange_accounts_rpc_pb.SubaccountsListRequest(
-            account_address=account_address
-        )
-        return self.stubExchangeAccount.SubaccountsList(req)
-
-    def get_subaccount_balances_list(self, subaccount_id: str):
-        req = exchange_accounts_rpc_pb.SubaccountBalancesListRequest(
-            subaccount_id=subaccount_id
-        )
-        return self.stubExchangeAccount.SubaccountBalancesList(req)
-
-    def get_subaccount_history(self, subaccount_id: str, **kwargs):
-        req = exchange_accounts_rpc_pb.SubaccountHistoryRequest(
-            subaccount_id=subaccount_id,
-            denom=kwargs.get("denom"),
-            transfer_types=kwargs.get("transfer_types"),
-        )
-        return self.stubExchangeAccount.SubaccountHistory(req)
-
-    def get_subaccount_order_summary(self, subaccount_id: str, **kwargs):
-        req = exchange_accounts_rpc_pb.SubaccountOrderSummaryRequest(
-            subaccount_id=subaccount_id,
-            order_direction=kwargs.get("order_direction"),
-            market_id=kwargs.get("market_id"),
-        )
-        return self.stubExchangeAccount.SubaccountOrderSummary(req)
-
-    def get_order_states(self, **kwargs):
-        req = exchange_accounts_rpc_pb.OrderStatesRequest(
-            spot_order_hashes=kwargs.get("spot_order_hashes"),
-            derivative_order_hashes=kwargs.get("derivative_order_hashes"),
-        )
-        return self.stubExchangeAccount.OrderStates(req)
-
-    def get_portfolio(self, account_address: str):
-        req = exchange_accounts_rpc_pb.PortfolioRequest(account_address=account_address)
-        return self.stubExchangeAccount.Portfolio(req)
-
-    def get_rewards(self, **kwargs):
-        req = exchange_accounts_rpc_pb.RewardsRequest(
-            account_address=kwargs.get("account_address"), epoch=kwargs.get("epoch")
-        )
-        return self.stubExchangeAccount.Rewards(req)
-
-    # OracleRPC
-
-    def stream_oracle_prices(
-        self, base_symbol: str, quote_symbol: str, oracle_type: str
-    ):
-        req = oracle_rpc_pb.StreamPricesRequest(
-            base_symbol=base_symbol, quote_symbol=quote_symbol, oracle_type=oracle_type
-        )
-        return self.stubOracle.StreamPrices(req)
-
-    def get_oracle_prices(
-        self,
-        base_symbol: str,
-        quote_symbol: str,
-        oracle_type: str,
-        oracle_scale_factor: int,
-    ):
-        req = oracle_rpc_pb.PriceRequest(
-            base_symbol=base_symbol,
-            quote_symbol=quote_symbol,
-            oracle_type=oracle_type,
-            oracle_scale_factor=oracle_scale_factor,
-        )
-        return self.stubOracle.Price(req)
-
-    def get_oracle_list(self):
-        req = oracle_rpc_pb.OracleListRequest()
-        return self.stubOracle.OracleList(req)
-
-    # InsuranceRPC
-
-    def get_insurance_funds(self):
-        req = insurance_rpc_pb.FundsRequest()
-        return self.stubInsurance.Funds(req)
-
-    def get_redemptions(self, **kwargs):
-        req = insurance_rpc_pb.RedemptionsRequest(
-            redeemer=kwargs.get("redeemer"),
-            redemption_denom=kwargs.get("redemption_denom"),
-            status=kwargs.get("status"),
-        )
-        return self.stubInsurance.Redemptions(req)
-
-    # SpotRPC
-
-    def get_spot_market(self, market_id: str):
-        req = spot_exchange_rpc_pb.MarketRequest(market_id=market_id)
-        return self.stubSpotExchange.Market(req)
-
-    def get_spot_markets(self, **kwargs):
-        req = spot_exchange_rpc_pb.MarketsRequest(
-            market_status=kwargs.get("market_status"),
-            base_denom=kwargs.get("base_denom"),
-            quote_denom=kwargs.get("quote_denom"),
-        )
-        return self.stubSpotExchange.Markets(req)
-
-    def stream_spot_markets(self, **kwargs):
-        req = spot_exchange_rpc_pb.StreamMarketsRequest(
-            market_ids=kwargs.get("market_ids"))
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamMarkets(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res.tx_response
-
-    def get_spot_orderbook(self, market_id: str):
-        req = spot_exchange_rpc_pb.OrderbookRequest(market_id=market_id)
-        return self.stubSpotExchange.Orderbook(req)
-
-    def get_spot_orderbooks(self, market_ids: List):
-        req = spot_exchange_rpc_pb.OrderbooksRequest(market_ids=market_ids)
-        return self.stubSpotExchange.Orderbooks(req)
-
-    def get_spot_orderbook_v2(self, market_id: str):
-        req = spot_exchange_rpc_pb.OrderbookV2Request(market_id=market_id)
-        return self.stubSpotExchange.OrderbookV2(req)
-
-    def get_spot_orderbooks_v2(self, market_ids: List):
-        req = spot_exchange_rpc_pb.OrderbooksV2Request(market_ids=market_ids)
-        return self.stubSpotExchange.OrderbooksV2(req)
-
-    def get_spot_orders(self, market_id: str, **kwargs):
-        req = spot_exchange_rpc_pb.OrdersRequest(
-            market_id=market_id,
-            order_side=kwargs.get("order_side"),
-            subaccount_id=kwargs.get("subaccount_id"),
-        )
-        return self.stubSpotExchange.Orders(req)
-
-    def get_spot_trades(self, market_id: str, **kwargs):
-        req = spot_exchange_rpc_pb.TradesRequest(
-            market_id=market_id,
-            execution_side=kwargs.get("execution_side"),
-            direction=kwargs.get("direction"),
-            subaccount_id=kwargs.get("subaccount_id"),
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        return self.stubSpotExchange.Trades(req)
-
-    def stream_spot_orderbook(self, market_id: str):
-        return self.stream_spot_orderbook_snapshot(market_ids=[market_id])
-
-    def stream_spot_orderbook_snapshot(self, market_ids: List[str]):
-        req = spot_exchange_rpc_pb.StreamOrderbookSnapshotRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamOrderbookSnapshot(req, metadata=metadata)
-        self.set_cookie(res, type="exchange")
-        return res
-
-    def stream_spot_orderbook_update(self, market_ids: List[str]):
-        req = spot_exchange_rpc_pb.StreamOrderbookUpdateRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamOrderbookUpdate(req, metadata=metadata)
-        self.set_cookie(res, type="exchange")
-        return res
-
-    def stream_spot_orderbooks(self, market_ids: List):
-        req = spot_exchange_rpc_pb.StreamOrderbookRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamOrderbook(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def stream_spot_orders(self, market_id: str, **kwargs):
-        req = spot_exchange_rpc_pb.StreamOrdersRequest(
-            market_id=market_id,
-            order_side=kwargs.get("order_side"),
-            subaccount_id=kwargs.get("subaccount_id"),
-        )
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamOrders(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def stream_spot_trades(self, **kwargs):
-        req = spot_exchange_rpc_pb.StreamTradesRequest(
-            market_id=kwargs.get("market_id"),
-            market_ids=kwargs.get("market_ids"),
-            execution_side=kwargs.get("execution_side"),
-            direction=kwargs.get("direction"),
-            subaccount_id=kwargs.get("subaccount_id"),
-            subaccount_ids=kwargs.get("subaccount_ids"),
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubSpotExchange.StreamTrades(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def get_spot_subaccount_orders(self, subaccount_id: str, **kwargs):
-        req = spot_exchange_rpc_pb.SubaccountOrdersListRequest(
-            subaccount_id=subaccount_id, market_id=kwargs.get("market_id")
-        )
-        return self.stubSpotExchange.SubaccountOrdersList(req)
-
-    def get_spot_subaccount_trades(self, subaccount_id: str, **kwargs):
-        req = spot_exchange_rpc_pb.SubaccountTradesListRequest(
-            subaccount_id=subaccount_id,
-            market_id=kwargs.get("market_id"),
-            execution_type=kwargs.get("execution_type"),
-            direction=kwargs.get("direction"),
-        )
-        return self.stubSpotExchange.SubaccountTradesList(req)
-
-    # DerivativeRPC
-
-    def get_derivative_market(self, market_id: str):
-        req = derivative_exchange_rpc_pb.MarketRequest(market_id=market_id)
-        return self.stubDerivativeExchange.Market(req)
-
-    def get_derivative_markets(self, **kwargs):
-        req = derivative_exchange_rpc_pb.MarketsRequest(
-            market_status=kwargs.get("market_status"),
-            quote_denom=kwargs.get("quote_denom"),
-        )
-        return self.stubDerivativeExchange.Markets(req)
-
-    def stream_derivative_markets(self, **kwargs):
-        req = derivative_exchange_rpc_pb.StreamMarketRequest(
-            market_ids=kwargs.get("market_ids"))
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamMarket(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def get_derivative_orderbook(self, market_id: str):
-        req = derivative_exchange_rpc_pb.OrderbookRequest(market_id=market_id)
-        return self.stubDerivativeExchange.Orderbook(req)
-
-    def get_derivative_orderbooks(self, market_ids: List):
-        req = derivative_exchange_rpc_pb.OrderbooksRequest(market_ids=market_ids)
-        return self.stubDerivativeExchange.Orderbooks(req)
-
-    def get_derivative_orderbook_v2(self, market_id: str):
-        req = derivative_exchange_rpc_pb.OrderbookV2Request(market_id=market_id)
-        return self.stubDerivativeExchange.OrderbookV2(req)
-
-    def get_derivative_orderbooks_v2(self, market_ids: List):
-        req = derivative_exchange_rpc_pb.OrderbooksV2Request(market_ids=market_ids)
-        return self.stubDerivativeExchange.OrderbooksV2(req)
-
-    def get_derivative_orders(self, market_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.OrdersRequest(
-            market_id=market_id,
-            order_side=kwargs.get("order_side"),
-            subaccount_id=kwargs.get("subaccount_id"),
-        )
-        return self.stubDerivativeExchange.Orders(req)
-
-    def get_derivative_trades(self, market_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.TradesRequest(
-            market_id=market_id,
-            subaccount_id=kwargs.get("subaccount_id"),
-            execution_side=kwargs.get("execution_side"),
-            direction=kwargs.get("direction"),
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        return self.stubDerivativeExchange.Trades(req)
-
-    # deprecated: use stream_derivative_orderbook_snapshot
-    def stream_derivative_orderbook(self, market_id: str):
-        return self.stream_derivative_orderbook_snapshot(market_ids=[market_id])
-
-    def stream_derivative_orderbook_snapshot(self, market_ids: List[str]):
-        req = derivative_exchange_rpc_pb.StreamOrderbookSnapshotRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamOrderbookSnapshot(req, metadata=metadata)
-        self.set_cookie(res, type="exchange")
-        return res
-
-    def stream_derivative_orderbook_update(self, market_ids: List[str]):
-        req = derivative_exchange_rpc_pb.StreamOrderbookUpdateRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamOrderbookUpdate(req, metadata=metadata)
-        self.set_cookie(res, type="exchange")
-        return res
-
-    def stream_derivative_orderbooks(self, market_ids: List):
-        req = derivative_exchange_rpc_pb.StreamOrderbookRequest(market_ids=market_ids)
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamOrderbook(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def stream_derivative_orders(self, market_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.StreamOrdersRequest(
-            market_id=market_id,
-            order_side=kwargs.get("order_side"),
-            subaccount_id=kwargs.get("subaccount_id"),
-        )
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamOrders(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def stream_derivative_trades(self, **kwargs):
-        req = derivative_exchange_rpc_pb.StreamTradesRequest(
-            market_id=kwargs.get("market_id"),
-            market_ids=kwargs.get("market_ids"),
-            subaccount_id=kwargs.get("subaccount_id"),
-            subaccount_ids=kwargs.get("subaccount_ids"),
-            execution_side=kwargs.get("execution_side"),
-            direction=kwargs.get("direction"),
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamTrades(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def get_derivative_positions(self, market_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.PositionsRequest(
-            market_id=market_id, subaccount_id=kwargs.get("subaccount_id")
-        )
-        return self.stubDerivativeExchange.Positions(req)
-
-    def stream_derivative_positions(self, **kwargs):
-        req = derivative_exchange_rpc_pb.StreamPositionsRequest(
-            market_id=kwargs.get("market_id"),
-            market_ids=kwargs.get("market_ids"),
-            subaccount_id=kwargs.get("subaccount_id"),
-            subaccount_ids=kwargs.get("subaccount_ids")
-        )
-        metadata = self.get_cookie(type="exchange")
-        res = self.stubDerivativeExchange.StreamPositions(req, metadata=metadata)
-        self.set_cookie(res,type="exchange")
-        return res
-
-    def get_derivative_liquidable_positions(self, **kwargs):
-        req = derivative_exchange_rpc_pb.LiquidablePositionsRequest(
-            market_id=kwargs.get("market_id")
-        )
-        return self.stubDerivativeExchange.LiquidablePositions(req)
-
-    def get_derivative_subaccount_orders(self, subaccount_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.SubaccountOrdersListRequest(
-            subaccount_id=subaccount_id, market_id=kwargs.get("market_id")
-        )
-        return self.stubDerivativeExchange.SubaccountOrdersList(req)
-
-    def get_derivative_subaccount_trades(self, subaccount_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.SubaccountTradesListRequest(
-            subaccount_id=subaccount_id,
-            market_id=kwargs.get("market_id"),
-            execution_type=kwargs.get("execution_type"),
-            direction=kwargs.get("direction"),
-        )
-        return self.stubDerivativeExchange.SubaccountTradesList(req)
-
-    def get_funding_payments(self, subaccount_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.FundingPaymentsRequest(
-            subaccount_id=subaccount_id,
-            market_id=kwargs.get("market_id"),
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        return self.stubDerivativeExchange.FundingPayments(req)
-
-    def get_funding_rates(self, market_id: str, **kwargs):
-        req = derivative_exchange_rpc_pb.FundingRatesRequest(
-            market_id=market_id,
-            skip=kwargs.get("skip"),
-            limit=kwargs.get("limit"),
-        )
-        return self.stubDerivativeExchange.FundingRates(req)
diff --git a/pyinjective/composer.py b/pyinjective/composer.py
index e8fd274c..41140aea 100644
--- a/pyinjective/composer.py
+++ b/pyinjective/composer.py
@@ -1,9 +1,12 @@
-from time import time
 import json
-import logging
+from configparser import ConfigParser
+from decimal import Decimal
+from time import time
 
 from google.protobuf import any_pb2, timestamp_pb2, json_format
 
+from .core.market import BinaryOptionMarket, DerivativeMarket, SpotMarket
+from .core.token import Token
 from .proto.cosmos.authz.v1beta1 import authz_pb2 as cosmos_authz_pb
 from .proto.cosmos.authz.v1beta1 import tx_pb2 as cosmos_authz_tx_pb
 
@@ -32,16 +35,51 @@
 
 from .proto.cosmwasm.wasm.v1 import tx_pb2 as wasm_tx_pb
 
-from .constant import Denom
-from .utils.utils import *
-from typing import List
+from .constant import ADDITIONAL_CHAIN_FORMAT_DECIMALS, INJ_DENOM
+from typing import Dict, List, Optional
 
-from pyinjective.utils.logger import LoggerProvider
+from pyinjective import constant
 
 
 class Composer:
-    def __init__(self, network: str):
+    def __init__(
+            self,
+            network: str,
+            spot_markets: Optional[Dict[str, SpotMarket]] = None,
+            derivative_markets: Optional[Dict[str, DerivativeMarket]] = None,
+            binary_option_markets: Optional[Dict[str, BinaryOptionMarket]] = None,
+            tokens: Optional[Dict[str, Token]] = None):
+        """ Composer is used to create the requests to send to the nodes using the Client
+
+        :param network: the name of the network to use (mainnet, testnet, devnet)
+        :type network: str
+
+        :param spot_markets: a dictionary containing all spot markets
+        :type spot_markets: Dictionary
+
+        :param derivative_markets: a dictionary containing all derivative markets
+        :type derivative_markets: Dictionary
+
+        :param binary_option_markets: a dictionary containing all derivative markets
+        :type binary_option_markets: Dictionary
+
+        :param tokens: a dictionary with all the possible tokens
+        :type tokens: Dictionary
+
+
+        """
         self.network = network
+        self.spot_markets = dict()
+        self.derivative_markets = dict()
+        self.binary_option_markets = dict()
+        self.tokens = dict()
+        if spot_markets is None or derivative_markets is None or binary_option_markets is None or tokens is None:
+            self._initialize_markets_and_tokens_from_files()
+        else:
+            self.spot_markets = spot_markets
+            self.derivative_markets = derivative_markets
+            self.binary_option_markets = binary_option_markets
+            self.tokens = tokens
 
     def Coin(self, amount: int, denom: str):
         return cosmos_dot_base_dot_v1beta1_dot_coin__pb2.Coin(amount=str(amount), denom=denom)
@@ -91,15 +129,12 @@ def SpotOrder(
         quantity: float,
         **kwargs,
     ):
-        # load denom metadata
-        denom = Denom.load_market(self.network, market_id)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded market metadata for: {denom.description}")
+        market = self.spot_markets[market_id]
 
         # prepare values
-        quantity = spot_quantity_to_backend(quantity, denom)
-        price = spot_price_to_backend(price, denom)
-        trigger_price = spot_price_to_backend(0, denom)
+        quantity = market.quantity_to_chain_format(human_readable_value=Decimal(str(quantity)))
+        price = market.price_to_chain_format(human_readable_value=Decimal(str(price)))
+        trigger_price = market.price_to_chain_format(human_readable_value=Decimal(0))
 
         if kwargs.get("is_buy") and not kwargs.get("is_po"):
             order_type = injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderType.BUY
@@ -118,11 +153,11 @@ def SpotOrder(
             order_info=injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderInfo(
                 subaccount_id=subaccount_id,
                 fee_recipient=fee_recipient,
-                price=str(price),
-                quantity=str(quantity),
+                price=str(int(price)),
+                quantity=str(int(quantity)),
             ),
             order_type=order_type,
-            trigger_price=str(trigger_price),
+            trigger_price=str(int(trigger_price)),
         )
 
     def DerivativeOrder(
@@ -135,26 +170,21 @@ def DerivativeOrder(
         trigger_price: float = 0,
         **kwargs,
     ):
-        # load denom metadata
-        denom = Denom.load_market(self.network, market_id)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded market metadata for: {denom.description}")
-
-        if kwargs.get("is_reduce_only") is None:
-            margin = derivative_margin_to_backend(
-                price, quantity, kwargs.get("leverage"), denom
-            )
-        elif kwargs.get("is_reduce_only", True):
+        market = self.derivative_markets[market_id]
+
+        if kwargs.get("is_reduce_only", False):
             margin = 0
         else:
-            margin = derivative_margin_to_backend(
-                price, quantity, kwargs.get("leverage"), denom
+            margin = market.calculate_margin_in_chain_format(
+                human_readable_quantity=Decimal(str(quantity)),
+                human_readable_price=Decimal(str(price)),
+                leverage=Decimal(str(kwargs["leverage"])),
             )
 
         # prepare values
-        price = derivative_price_to_backend(price, denom)
-        trigger_price = derivative_price_to_backend(trigger_price, denom)
-        quantity = derivative_quantity_to_backend(quantity, denom)
+        quantity = market.quantity_to_chain_format(human_readable_value=Decimal(str(quantity)))
+        price = market.price_to_chain_format(human_readable_value=Decimal(str(price)))
+        trigger_price = market.price_to_chain_format(human_readable_value=Decimal(str(trigger_price)))
 
         if kwargs.get("is_buy") and not kwargs.get("is_po"):
             order_type = injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderType.BUY
@@ -185,12 +215,12 @@ def DerivativeOrder(
             order_info=injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderInfo(
                 subaccount_id=subaccount_id,
                 fee_recipient=fee_recipient,
-                price=str(price),
-                quantity=str(quantity),
+                price=str(int(price)),
+                quantity=str(int(quantity)),
             ),
-            margin=str(margin),
+            margin=str(int(margin)),
             order_type=order_type,
-            trigger_price=str(trigger_price),
+            trigger_price=str(int(trigger_price)),
         )
 
     def BinaryOptionsOrder(
@@ -203,30 +233,23 @@ def BinaryOptionsOrder(
         **kwargs,
     ):
 
-        if "denom" in kwargs:
-            denom = kwargs.get("denom")
-        else:
-            denom = Denom.load_market(self.network, market_id)
-
-        # load denom metadata
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded market metadata for: {denom.description}")
-
-        if kwargs.get("is_reduce_only") is None and kwargs.get("is_buy"):
-            margin = binary_options_buy_margin_to_backend(price, quantity, denom)
-        elif kwargs.get("is_reduce_only") is None and not kwargs.get("is_buy"):
-            margin = binary_options_sell_margin_to_backend(price, quantity, denom)
-        elif kwargs.get("is_reduce_only") is False and kwargs.get("is_buy"):
-            margin = binary_options_buy_margin_to_backend(price, quantity, denom)
-        elif kwargs.get("is_reduce_only") is False and not kwargs.get("is_buy"):
-            margin = binary_options_sell_margin_to_backend(price, quantity, denom)
-        elif kwargs.get("is_reduce_only", True):
+        market = self.binary_option_markets[market_id]
+        denom = kwargs.get("denom", None)
+
+        if kwargs.get("is_reduce_only", False):
             margin = 0
+        else:
+            margin = market.calculate_margin_in_chain_format(
+                human_readable_quantity=Decimal(str(quantity)),
+                human_readable_price=Decimal(str(price)),
+                is_buy=kwargs["is_buy"],
+                special_denom=denom,
+            )
 
         # prepare values
-        price = binary_options_price_to_backend(price, denom)
-        trigger_price = binary_options_price_to_backend(0, denom)
-        quantity = binary_options_quantity_to_backend(quantity, denom)
+        price = market.price_to_chain_format(human_readable_value=Decimal(str(price)), special_denom=denom)
+        trigger_price = market.price_to_chain_format(human_readable_value=Decimal(str(0)), special_denom=denom)
+        quantity = market.quantity_to_chain_format(human_readable_value=Decimal(str(quantity)), special_denom=denom)
 
         if kwargs.get("is_buy") and not kwargs.get("is_po"):
             order_type = injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderType.BUY
@@ -245,25 +268,22 @@ def BinaryOptionsOrder(
             order_info=injective_dot_exchange_dot_v1beta1_dot_exchange__pb2.OrderInfo(
                 subaccount_id=subaccount_id,
                 fee_recipient=fee_recipient,
-                price=str(price),
-                quantity=str(quantity),
+                price=str(int(price)),
+                quantity=str(int(quantity)),
             ),
-            margin=str(margin),
+            margin=str(int(margin)),
             order_type=order_type,
-            trigger_price=str(trigger_price),
+            trigger_price=str(int(trigger_price)),
         )
 
     def MsgSend(self, from_address: str, to_address: str, amount: float, denom: str):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, denom)
-        be_amount = amount_to_backend(amount, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded send symbol {denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
 
         return cosmos_bank_tx_pb.MsgSend(
             from_address=from_address,
             to_address=to_address,
-            amount=[self.Coin(amount=be_amount, denom=peggy_denom)],
+            amount=[self.Coin(amount=int(be_amount), denom=token.denom)],
         )
 
     def MsgExecuteContract(self, sender: str, contract: str, msg: str, **kwargs):
@@ -275,16 +295,13 @@ def MsgExecuteContract(self, sender: str, contract: str, msg: str, **kwargs):
         )
 
     def MsgDeposit(self, sender: str, subaccount_id: str, amount: float, denom: str):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, denom)
-        be_amount = amount_to_backend(amount, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded deposit symbol {denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
 
         return injective_exchange_tx_pb.MsgDeposit(
             sender=sender,
             subaccount_id=subaccount_id,
-            amount=self.Coin(amount=be_amount, denom=peggy_denom),
+            amount=self.Coin(amount=int(be_amount), denom=token.denom),
         )
 
     def MsgCreateSpotLimitOrder(
@@ -607,14 +624,15 @@ def MsgIncreasePositionMargin(
         market_id: str,
         amount: float,
     ):
-        denom = Denom.load_market(self.network, market_id)
-        additional_margin = derivative_additional_margin_to_backend(amount, denom)
+        market = self.derivative_markets[market_id]
+
+        additional_margin = market.margin_to_chain_format(human_readable_value=Decimal(str(amount)))
         return injective_exchange_tx_pb.MsgIncreasePositionMargin(
             sender=sender,
             source_subaccount_id=source_subaccount_id,
             destination_subaccount_id=destination_subaccount_id,
             market_id=market_id,
-            amount=str(additional_margin),
+            amount=str(int(additional_margin)),
         )
 
     def MsgSubaccountTransfer(
@@ -635,16 +653,13 @@ def MsgSubaccountTransfer(
         )
 
     def MsgWithdraw(self, sender: str, subaccount_id: str, amount: float, denom: str):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, denom)
-        be_amount = amount_to_backend(amount, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded withdrawal symbol {denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
 
         return injective_exchange_tx_pb.MsgWithdraw(
             sender=sender,
             subaccount_id=subaccount_id,
-            amount=self.Coin(amount=be_amount, denom=peggy_denom),
+            amount=self.Coin(amount=int(be_amount), denom=token.denom),
         )
 
     def MsgExternalTransfer(
@@ -655,27 +670,24 @@ def MsgExternalTransfer(
         amount: int,
         denom: str,
     ):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, denom)
-        be_amount = amount_to_backend(amount, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded send symbol {denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
 
         return injective_exchange_tx_pb.MsgExternalTransfer(
             sender=sender,
             source_subaccount_id=source_subaccount_id,
             destination_subaccount_id=destination_subaccount_id,
-            amount=self.Coin(amount=be_amount, denom=peggy_denom),
+            amount=self.Coin(amount=int(be_amount), denom=token.denom),
         )
 
     def MsgBid(self, sender: str, bid_amount: float, round: float):
 
-        be_amount = amount_to_backend(bid_amount, 18)
+        be_amount = Decimal(str(bid_amount)) * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
 
         return injective_auction_tx_pb.MsgBid(
             sender=sender,
             round=round,
-            bid_amount=self.Coin(amount=be_amount, denom="inj"),
+            bid_amount=self.Coin(amount=int(be_amount), denom=INJ_DENOM),
         )
 
     def MsgGrantGeneric(
@@ -788,31 +800,27 @@ def MsgRelayPriceFeedPrice(
     def MsgSendToEth(
         self, denom: str, sender: str, eth_dest: str, amount: float, bridge_fee: float
     ):
-
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, denom)
-        be_amount = amount_to_backend(amount, decimals)
-        be_bridge_fee = amount_to_backend(bridge_fee, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded withdrawal symbol {denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
+        be_bridge_fee = token.chain_formatted_value(human_readable_value=Decimal(str(bridge_fee)))
 
         return injective_peggy_tx_pb.MsgSendToEth(
             sender=sender,
             eth_dest=eth_dest,
-            amount=self.Coin(amount=be_amount, denom=peggy_denom),
-            bridge_fee=self.Coin(amount=be_bridge_fee, denom=peggy_denom),
+            amount=self.Coin(amount=int(be_amount), denom=token.denom),
+            bridge_fee=self.Coin(amount=int(be_bridge_fee), denom=token.denom),
         )
 
     def MsgDelegate(
         self, delegator_address: str, validator_address: str, amount: float
     ):
 
-        be_amount = amount_to_backend(amount, 18)
+        be_amount = Decimal(str(amount)) * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
 
         return cosmos_staking_tx_pb.MsgDelegate(
             delegator_address=delegator_address,
             validator_address=validator_address,
-            amount=self.Coin(amount=be_amount, denom="inj"),
+            amount=self.Coin(amount=int(be_amount), denom=INJ_DENOM),
         )
 
     def MsgCreateInsuranceFund(
@@ -826,15 +834,18 @@ def MsgCreateInsuranceFund(
         expiry: int,
         initial_deposit: int
     ):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, quote_denom)
-        be_amount = amount_to_backend(initial_deposit, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded send symbol {quote_denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[quote_denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(initial_deposit)))
 
         return injective_insurance_tx_pb.MsgCreateInsuranceFund(
-            sender=sender, ticker=ticker, quote_denom=peggy_denom, oracle_base=oracle_base, oracle_quote=oracle_quote,
-            oracle_type=oracle_type, expiry=expiry, initial_deposit=self.Coin(amount=be_amount, denom=peggy_denom),
+            sender=sender,
+            ticker=ticker,
+            quote_denom=token.denom,
+            oracle_base=oracle_base,
+            oracle_quote=oracle_quote,
+            oracle_type=oracle_type,
+            expiry=expiry,
+            initial_deposit=self.Coin(amount=int(be_amount), denom=token.denom),
         )
 
     def MsgUnderwrite(
@@ -844,14 +855,11 @@ def MsgUnderwrite(
         quote_denom: str,
         amount: int,
     ):
-        peggy_denom, decimals = Denom.load_peggy_denom(self.network, quote_denom)
-        be_amount = amount_to_backend(amount, decimals)
-        LoggerProvider().logger_for_class(logging_class=self.__class__).info(
-            f"Loaded send symbol {quote_denom} ({peggy_denom}) with decimals = {decimals}"
-        )
+        token = self.tokens[quote_denom]
+        be_amount = token.chain_formatted_value(human_readable_value=Decimal(str(amount)))
 
         return injective_insurance_tx_pb.MsgUnderwrite(
-            sender=sender, market_id=market_id, deposit=self.Coin(amount=be_amount, denom=peggy_denom),
+            sender=sender, market_id=market_id, deposit=self.Coin(amount=int(be_amount), denom=token.denom),
         )
 
     def MsgRequestRedemption(
@@ -874,6 +882,14 @@ def MsgWithdrawDelegatorReward(
             delegator_address=delegator_address, validator_address=validator_address
         )
 
+    def MsgWithdrawValidatorCommission(
+        self, validator_address: str
+    ):      
+
+        return cosmos_distribution_tx_pb.MsgWithdrawValidatorCommission(
+            validator_address=validator_address
+        )
+
     def MsgVote(
         self,
         proposal_id: str,
@@ -964,14 +980,14 @@ def UnpackTransactionMessages(transaction):
         meta_messages = json.loads(transaction.messages.decode())
 
         header_map = {
-            "/injective.exchange.v1beta1.MsgCreateSpotLimitOrder": injective_exchange_tx_pb.MsgCreateSpotLimitOrderResponse,
-            "/injective.exchange.v1beta1.MsgCreateSpotMarketOrder": injective_exchange_tx_pb.MsgCreateSpotMarketOrderResponse,
-            "/injective.exchange.v1beta1.MsgCreateDerivativeLimitOrder": injective_exchange_tx_pb.MsgCreateDerivativeLimitOrderResponse,
-            "/injective.exchange.v1beta1.MsgCreateDerivativeMarketOrder": injective_exchange_tx_pb.MsgCreateDerivativeMarketOrderResponse,
-            "/injective.exchange.v1beta1.MsgCancelSpotOrder": injective_exchange_tx_pb.MsgCancelSpotOrderResponse,
-            "/injective.exchange.v1beta1.MsgCancelDerivativeOrder": injective_exchange_tx_pb.MsgCancelDerivativeOrderResponse,
-            "/injective.exchange.v1beta1.MsgBatchCancelSpotOrders": injective_exchange_tx_pb.MsgBatchCancelSpotOrdersResponse,
-            "/injective.exchange.v1beta1.MsgBatchCancelDerivativeOrders": injective_exchange_tx_pb.MsgBatchCancelDerivativeOrdersResponse,
+            "/injective.exchange.v1beta1.MsgCreateSpotLimitOrder": injective_exchange_tx_pb.MsgCreateSpotLimitOrder,
+            "/injective.exchange.v1beta1.MsgCreateSpotMarketOrder": injective_exchange_tx_pb.MsgCreateSpotMarketOrder,
+            "/injective.exchange.v1beta1.MsgCreateDerivativeLimitOrder": injective_exchange_tx_pb.MsgCreateDerivativeLimitOrder,
+            "/injective.exchange.v1beta1.MsgCreateDerivativeMarketOrder": injective_exchange_tx_pb.MsgCreateDerivativeMarketOrder,
+            "/injective.exchange.v1beta1.MsgCancelSpotOrder": injective_exchange_tx_pb.MsgCancelSpotOrder,
+            "/injective.exchange.v1beta1.MsgCancelDerivativeOrder": injective_exchange_tx_pb.MsgCancelDerivativeOrder,
+            "/injective.exchange.v1beta1.MsgBatchCancelSpotOrders": injective_exchange_tx_pb.MsgBatchCancelSpotOrders,
+            "/injective.exchange.v1beta1.MsgBatchCancelDerivativeOrders": injective_exchange_tx_pb.MsgBatchCancelDerivativeOrders,
             "/injective.exchange.v1beta1.MsgBatchCreateSpotLimitOrders": injective_exchange_tx_pb.MsgBatchCreateSpotLimitOrders,
             "/injective.exchange.v1beta1.MsgBatchCreateDerivativeLimitOrders": injective_exchange_tx_pb.MsgBatchCreateDerivativeLimitOrders,
             "/injective.exchange.v1beta1.MsgBatchUpdateOrders": injective_exchange_tx_pb.MsgBatchUpdateOrders,
@@ -1000,3 +1016,169 @@ def UnpackTransactionMessages(transaction):
             msgs.append(json_format.Parse(msg_as_string_dict, header_map[msg["type"]]()))
 
         return msgs
+
+    def _initialize_markets_and_tokens_from_files(self):
+        config: ConfigParser = constant.CONFIGS[self.network]
+        spot_markets = dict()
+        derivative_markets = dict()
+        tokens = dict()
+
+        for section_name, configuration_section in config.items():
+            if section_name.startswith("0x"):
+                description = configuration_section["description"]
+
+                quote_token = Token(
+                    name="",
+                    symbol="",
+                    denom="",
+                    address="",
+                    decimals=int(configuration_section["quote"]),
+                    logo="",
+                    updated=-1,
+                )
+
+                if "Spot" in description:
+                    base_token = Token(
+                        name="",
+                        symbol="",
+                        denom="",
+                        address="",
+                        decimals=int(configuration_section["base"]),
+                        logo="",
+                        updated=-1,
+                    )
+
+                    market = SpotMarket(
+                        id=section_name,
+                        status="",
+                        ticker=description,
+                        base_token=base_token,
+                        quote_token=quote_token,
+                        maker_fee_rate=None,
+                        taker_fee_rate=None,
+                        service_provider_fee=None,
+                        min_price_tick_size=Decimal(str(configuration_section["min_price_tick_size"])),
+                        min_quantity_tick_size=Decimal(str(configuration_section["min_quantity_tick_size"]))
+                    )
+                    spot_markets[market.id] = market
+                else:
+                    market = DerivativeMarket(
+                        id=section_name,
+                        status="",
+                        ticker=description,
+                        oracle_base="",
+                        oracle_quote="",
+                        oracle_type="",
+                        oracle_scale_factor=1,
+                        initial_margin_ratio=None,
+                        maintenance_margin_ratio=None,
+                        quote_token=quote_token,
+                        maker_fee_rate=None,
+                        taker_fee_rate=None,
+                        service_provider_fee=None,
+                        min_price_tick_size=Decimal(str(configuration_section["min_price_tick_size"])),
+                        min_quantity_tick_size=Decimal(str(configuration_section["min_quantity_tick_size"])),
+                    )
+
+                    derivative_markets[market.id] = market
+
+            elif section_name != "DEFAULT":
+                token = Token(
+                    name=section_name,
+                    symbol=section_name,
+                    denom=configuration_section["peggy_denom"],
+                    address="",
+                    decimals=int(configuration_section["decimals"]),
+                    logo="",
+                    updated=-1,
+                )
+
+                tokens[token.symbol] = token
+
+        self.tokens = tokens
+        self.spot_markets = spot_markets
+        self.derivative_markets = derivative_markets
+        self.binary_option_markets = dict()
+
+    def _initialize_markets_and_tokens_from_files(self):
+        config: ConfigParser = constant.CONFIGS[self.network]
+        spot_markets = dict()
+        derivative_markets = dict()
+        tokens = dict()
+
+        for section_name, configuration_section in config.items():
+            if section_name.startswith("0x"):
+                description = configuration_section["description"]
+
+                quote_token = Token(
+                    name="",
+                    symbol="",
+                    denom="",
+                    address="",
+                    decimals=int(configuration_section["quote"]),
+                    logo="",
+                    updated=-1,
+                )
+
+                if "Spot" in description:
+                    base_token = Token(
+                        name="",
+                        symbol="",
+                        denom="",
+                        address="",
+                        decimals=int(configuration_section["base"]),
+                        logo="",
+                        updated=-1,
+                    )
+
+                    market = SpotMarket(
+                        id=section_name,
+                        status="",
+                        ticker=description,
+                        base_token=base_token,
+                        quote_token=quote_token,
+                        maker_fee_rate=None,
+                        taker_fee_rate=None,
+                        service_provider_fee=None,
+                        min_price_tick_size=Decimal(str(configuration_section["min_price_tick_size"])),
+                        min_quantity_tick_size=Decimal(str(configuration_section["min_quantity_tick_size"]))
+                    )
+                    spot_markets[market.id] = market
+                else:
+                    market = DerivativeMarket(
+                        id=section_name,
+                        status="",
+                        ticker=description,
+                        oracle_base="",
+                        oracle_quote="",
+                        oracle_type="",
+                        oracle_scale_factor=1,
+                        initial_margin_ratio=None,
+                        maintenance_margin_ratio=None,
+                        quote_token=quote_token,
+                        maker_fee_rate=None,
+                        taker_fee_rate=None,
+                        service_provider_fee=None,
+                        min_price_tick_size=Decimal(str(configuration_section["min_price_tick_size"])),
+                        min_quantity_tick_size=Decimal(str(configuration_section["min_quantity_tick_size"])),
+                    )
+
+                    derivative_markets[market.id] = market
+
+            elif section_name != "DEFAULT":
+                token = Token(
+                    name=section_name,
+                    symbol=section_name,
+                    denom=configuration_section["peggy_denom"],
+                    address="",
+                    decimals=int(configuration_section["decimals"]),
+                    logo="",
+                    updated=-1,
+                )
+
+                tokens[token.symbol] = token
+
+        self.tokens = tokens
+        self.spot_markets = spot_markets
+        self.derivative_markets = derivative_markets
+        self.binary_option_markets = dict()
diff --git a/pyinjective/constant.py b/pyinjective/constant.py
index 57001ee3..49aaef3d 100644
--- a/pyinjective/constant.py
+++ b/pyinjective/constant.py
@@ -1,9 +1,13 @@
 import os
 from configparser import ConfigParser
+from warnings import warn
 
 MAX_CLIENT_ID_LENGTH = 128
 MAX_DATA_SIZE = 256
 MAX_MEMO_CHARACTERS = 256
+ADDITIONAL_CHAIN_FORMAT_DECIMALS = 18
+TICKER_TOKENS_SEPARATOR = "/"
+INJ_DENOM = "inj"
 
 devnet_config = ConfigParser()
 devnet_config.read(os.path.join(os.path.dirname(__file__), "denoms_devnet.ini"))
@@ -14,6 +18,13 @@
 mainnet_config = ConfigParser()
 mainnet_config.read(os.path.join(os.path.dirname(__file__), "denoms_mainnet.ini"))
 
+CONFIGS = {
+    "devnet": devnet_config,
+    "testnet": testnet_config,
+    "mainnet": mainnet_config,
+}
+
+
 class Denom:
     def __init__(
         self,
@@ -23,6 +34,7 @@ def __init__(
         min_price_tick_size: float,
         min_quantity_tick_size: float
     ):
+
         self.description = description
         self.base = base
         self.quote = quote
@@ -57,135 +69,3 @@ def load_peggy_denom(cls, network, symbol):
         else:
             config = mainnet_config
         return config[symbol]["peggy_denom"], int(config[symbol]["decimals"])
-
-
-class Network:
-    def __init__(
-        self,
-        lcd_endpoint: str ,
-        tm_websocket_endpoint: str,
-        grpc_endpoint: str ,
-        grpc_exchange_endpoint: str ,
-        grpc_explorer_endpoint: str ,
-        chain_id: str ,
-        fee_denom: str ,
-        env: str
-    ):
-        self.lcd_endpoint = lcd_endpoint
-        self.tm_websocket_endpoint = tm_websocket_endpoint
-        self.grpc_endpoint = grpc_endpoint
-        self.grpc_exchange_endpoint = grpc_exchange_endpoint
-        self.grpc_explorer_endpoint = grpc_explorer_endpoint
-        self.chain_id = chain_id
-        self.fee_denom = fee_denom
-        self.env = env
-
-    @classmethod
-    def devnet(cls):
-        return cls(
-            lcd_endpoint="https://devnet.lcd.injective.dev",
-            tm_websocket_endpoint="wss://devnet.tm.injective.dev/websocket",
-            grpc_endpoint="devnet.injective.dev:9900",
-            grpc_exchange_endpoint="devnet.injective.dev:9910",
-            grpc_explorer_endpoint="devnet.injective.dev:9911",
-            chain_id="injective-777",
-            fee_denom="inj",
-            env="devnet"
-        )
-
-    @classmethod
-    def testnet(cls, node="lb"):
-        nodes = [
-            "lb",
-            "sentry",
-        ]
-        if node not in nodes:
-            raise ValueError("Must be one of {}".format(nodes))
-
-        if node == "lb":
-            lcd_endpoint = "https://k8s.testnet.lcd.injective.network"
-            tm_websocket_endpoint = "wss://k8s.testnet.tm.injective.network/websocket"
-            grpc_endpoint = "k8s.testnet.chain.grpc.injective.network:443"
-            grpc_exchange_endpoint = "k8s.testnet.exchange.grpc.injective.network:443"
-            grpc_explorer_endpoint = "k8s.testnet.explorer.grpc.injective.network:443"
-        else:
-            lcd_endpoint = "https://testnet.lcd.injective.network"
-            tm_websocket_endpoint = "wss://testnet.tm.injective.network/websocket"
-            grpc_endpoint = "testnet.chain.grpc.injective.network"
-            grpc_exchange_endpoint = "testnet.exchange.grpc.injective.network"
-            grpc_explorer_endpoint = "testnet.explorer.grpc.injective.network"
-
-        return cls(
-            lcd_endpoint=lcd_endpoint,
-            tm_websocket_endpoint=tm_websocket_endpoint,
-            grpc_endpoint=grpc_endpoint,
-            grpc_exchange_endpoint=grpc_exchange_endpoint,
-            grpc_explorer_endpoint=grpc_explorer_endpoint,
-            chain_id="injective-888",
-            fee_denom="inj",
-            env="testnet"
-        )
-
-    @classmethod
-    def mainnet(cls, node="lb"):
-        nodes = [
-            "lb", # us, asia, prod
-            "sentry0",  # ca, prod
-            "sentry1",  # ca, prod
-            "sentry3",  # us, prod
-        ]
-        if node not in nodes:
-            raise ValueError("Must be one of {}".format(nodes))
-
-        if node == "lb":
-            lcd_endpoint = "https://k8s.global.mainnet.lcd.injective.network:443"
-            tm_websocket_endpoint = "wss://k8s.global.mainnet.tm.injective.network:443/websocket"
-            grpc_endpoint = "k8s.global.mainnet.chain.grpc.injective.network:443"
-            grpc_exchange_endpoint = "k8s.global.mainnet.exchange.grpc.injective.network:443"
-            grpc_explorer_endpoint = "k8s.global.mainnet.explorer.grpc.injective.network:443"
-        else:
-            lcd_endpoint = f"http://{node}.injective.network:10337"
-            tm_websocket_endpoint = f"ws://{node}.injective.network:26657/websocket"
-            grpc_endpoint = f"{node}.injective.network:9900"
-            grpc_exchange_endpoint = f"{node}.injective.network:9910"
-            grpc_explorer_endpoint = f"{node}.injective.network:9911"
-
-        return cls(
-            lcd_endpoint=lcd_endpoint,
-            tm_websocket_endpoint=tm_websocket_endpoint,
-            grpc_endpoint=grpc_endpoint,
-            grpc_exchange_endpoint=grpc_exchange_endpoint,
-            grpc_explorer_endpoint=grpc_explorer_endpoint,
-            chain_id="injective-1",
-            fee_denom="inj",
-            env="mainnet"
-        )
-
-    @classmethod
-    def local(cls):
-        return cls(
-            lcd_endpoint="http://localhost:10337",
-            tm_websocket_endpoint="ws://localhost:26657/websocket",
-            grpc_endpoint="localhost:9900",
-            grpc_exchange_endpoint="localhost:9910",
-            grpc_explorer_endpoint="localhost:9911",
-            chain_id="injective-1",
-            fee_denom="inj",
-            env="local"
-        )
-
-    @classmethod
-    def custom(cls, lcd_endpoint, tm_websocket_endpoint, grpc_endpoint, grpc_exchange_endpoint, grpc_explorer_endpoint, chain_id, env):
-        return cls(
-            lcd_endpoint=lcd_endpoint,
-            tm_websocket_endpoint=tm_websocket_endpoint,
-            grpc_endpoint=grpc_endpoint,
-            grpc_exchange_endpoint=grpc_exchange_endpoint,
-            grpc_explorer_endpoint=grpc_explorer_endpoint,
-            chain_id=chain_id,
-            fee_denom="inj",
-            env=env
-        )
-
-    def string(self):
-        return self.env
diff --git a/pyinjective/core/__init__.py b/pyinjective/core/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/pyinjective/core/broadcaster.py b/pyinjective/core/broadcaster.py
index cc9dc2bb..7fb54278 100644
--- a/pyinjective/core/broadcaster.py
+++ b/pyinjective/core/broadcaster.py
@@ -8,7 +8,7 @@
 from pyinjective import PrivateKey, Transaction, PublicKey
 from pyinjective.async_client import AsyncClient
 from pyinjective.composer import Composer
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.core.gas_limit_estimator import GasLimitEstimator
 
 
@@ -67,11 +67,10 @@ def new_using_simulation(
             cls,
             network: Network,
             private_key: str,
-            use_secure_connection: bool = True,
             client: Optional[AsyncClient] = None,
             composer: Optional[Composer] = None,
     ):
-        client = client or AsyncClient(network=network, insecure=not(use_secure_connection))
+        client = client or AsyncClient(network=network)
         composer = composer or Composer(network=client.network.string())
         account_config = StandardAccountBroadcasterConfig(private_key=private_key)
         fee_calculator = SimulatedTransactionFeeCalculator(
@@ -92,11 +91,10 @@ def new_without_simulation(
             cls,
             network: Network,
             private_key: str,
-            use_secure_connection: bool = True,
             client: Optional[AsyncClient] = None,
             composer: Optional[Composer] = None,
     ):
-        client = client or AsyncClient(network=network, insecure=not (use_secure_connection))
+        client = client or AsyncClient(network=network)
         composer = composer or Composer(network=client.network.string())
         account_config = StandardAccountBroadcasterConfig(private_key=private_key)
         fee_calculator = MessageBasedTransactionFeeCalculator(
@@ -117,11 +115,10 @@ def new_for_grantee_account_using_simulation(
             cls,
             network: Network,
             grantee_private_key: str,
-            use_secure_connection: bool = True,
             client: Optional[AsyncClient] = None,
             composer: Optional[Composer] = None,
     ):
-        client = client or AsyncClient(network=network, insecure=not (use_secure_connection))
+        client = client or AsyncClient(network=network)
         composer = composer or Composer(network=client.network.string())
         account_config = GranteeAccountBroadcasterConfig(grantee_private_key=grantee_private_key, composer=composer)
         fee_calculator = SimulatedTransactionFeeCalculator(
@@ -142,11 +139,10 @@ def new_for_grantee_account_without_simulation(
             cls,
             network: Network,
             grantee_private_key: str,
-            use_secure_connection: bool = True,
             client: Optional[AsyncClient] = None,
             composer: Optional[Composer] = None,
     ):
-        client = client or AsyncClient(network=network, insecure=not (use_secure_connection))
+        client = client or AsyncClient(network=network)
         composer = composer or Composer(network=client.network.string())
         account_config = GranteeAccountBroadcasterConfig(grantee_private_key=grantee_private_key, composer=composer)
         fee_calculator = MessageBasedTransactionFeeCalculator(
diff --git a/pyinjective/core/market.py b/pyinjective/core/market.py
new file mode 100644
index 00000000..9a42b88c
--- /dev/null
+++ b/pyinjective/core/market.py
@@ -0,0 +1,151 @@
+from dataclasses import dataclass
+from decimal import Decimal
+from typing import Optional
+
+from pyinjective.constant import ADDITIONAL_CHAIN_FORMAT_DECIMALS, Denom
+from pyinjective.core.token import Token
+
+
+@dataclass(eq=True, frozen=True)
+class SpotMarket:
+    id: str
+    status: str
+    ticker: str
+    base_token: Token
+    quote_token: Token
+    maker_fee_rate: Decimal
+    taker_fee_rate: Decimal
+    service_provider_fee: Decimal
+    min_price_tick_size: Decimal
+    min_quantity_tick_size: Decimal
+
+    def quantity_to_chain_format(self, human_readable_value: Decimal) -> Decimal:
+        chain_formatted_value = human_readable_value * Decimal(f"1e{self.base_token.decimals}")
+        quantized_value = chain_formatted_value // self.min_quantity_tick_size * self.min_quantity_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def price_to_chain_format(self, human_readable_value: Decimal) -> Decimal:
+        decimals = self.quote_token.decimals - self.base_token.decimals
+        chain_formatted_value = human_readable_value * Decimal(f"1e{decimals}")
+        quantized_value = (chain_formatted_value // self.min_price_tick_size) * self.min_price_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+@dataclass(eq=True, frozen=True)
+class DerivativeMarket:
+    id: str
+    status: str
+    ticker: str
+    oracle_base: str
+    oracle_quote: str
+    oracle_type: str
+    oracle_scale_factor: int
+    initial_margin_ratio: Decimal
+    maintenance_margin_ratio: Decimal
+    quote_token: Token
+    maker_fee_rate: Decimal
+    taker_fee_rate: Decimal
+    service_provider_fee: Decimal
+    min_price_tick_size: Decimal
+    min_quantity_tick_size: Decimal
+
+    def quantity_to_chain_format(self, human_readable_value: Decimal) -> Decimal:
+        # Derivative markets do not have a base market to provide the number of decimals
+        chain_formatted_value = human_readable_value
+        quantized_value = chain_formatted_value // self.min_quantity_tick_size * self.min_quantity_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def price_to_chain_format(self, human_readable_value: Decimal) -> Decimal:
+        decimals = self.quote_token.decimals
+        chain_formatted_value = human_readable_value * Decimal(f"1e{decimals}")
+        quantized_value = (chain_formatted_value // self.min_price_tick_size) * self.min_price_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def margin_to_chain_format(self, human_readable_value: Decimal) -> Decimal:
+        decimals = self.quote_token.decimals
+        chain_formatted_value = human_readable_value * Decimal(f"1e{decimals}")
+        quantized_value = (chain_formatted_value // self.min_quantity_tick_size) * self.min_quantity_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def calculate_margin_in_chain_format(
+            self,
+            human_readable_quantity: Decimal,
+            human_readable_price: Decimal,
+            leverage: Decimal
+    ) -> Decimal:
+        chain_formatted_quantity = human_readable_quantity
+        chain_formatted_price = human_readable_price * Decimal(f"1e{self.quote_token.decimals}")
+        margin = (chain_formatted_price * chain_formatted_quantity) / leverage
+        # We are using the min_quantity_tick_size to quantize the margin because that is the way margin is validated
+        # in the chain (it might be changed to a min_notional in the future)
+        quantized_margin = (margin // self.min_quantity_tick_size) * self.min_quantity_tick_size
+        extended_chain_formatted_margin = quantized_margin * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_margin
+
+@dataclass(eq=True, frozen=True)
+class BinaryOptionMarket:
+    id: str
+    status: str
+    ticker: str
+    oracle_symbol: str
+    oracle_provider: str
+    oracle_type: str
+    oracle_scale_factor: int
+    expiration_timestamp: int
+    settlement_timestamp: int
+    quote_token: Token
+    maker_fee_rate: Decimal
+    taker_fee_rate: Decimal
+    service_provider_fee: Decimal
+    min_price_tick_size: Decimal
+    min_quantity_tick_size: Decimal
+
+    def quantity_to_chain_format(self, human_readable_value: Decimal, special_denom: Optional[Denom] = None) -> Decimal:
+        # Binary option markets do not have a base market to provide the number of decimals
+        decimals = 0 if special_denom is None else special_denom.base
+        min_quantity_tick_size = self.min_quantity_tick_size if special_denom is None else special_denom.min_quantity_tick_size
+        chain_formatted_value = human_readable_value * Decimal(f"1e{decimals}")
+        quantized_value = chain_formatted_value // min_quantity_tick_size * min_quantity_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def price_to_chain_format(self, human_readable_value: Decimal, special_denom: Optional[Denom] = None) -> Decimal:
+        decimals = self.quote_token.decimals if special_denom is None else special_denom.quote
+        min_price_tick_size = self.min_price_tick_size if special_denom is None else special_denom.min_price_tick_size
+        chain_formatted_value = human_readable_value * Decimal(f"1e{decimals}")
+        quantized_value = (chain_formatted_value // min_price_tick_size) * min_price_tick_size
+        extended_chain_formatted_value = quantized_value * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_value
+
+    def calculate_margin_in_chain_format(
+            self,
+            human_readable_quantity: Decimal,
+            human_readable_price: Decimal,
+            is_buy: bool,
+            special_denom: Optional[Denom] = None,
+    ) -> Decimal:
+        quantity_decimals = 0 if special_denom is None else special_denom.base
+        price_decimals = self.quote_token.decimals if special_denom is None else special_denom.quote
+        min_quantity_tick_size = self.min_quantity_tick_size if special_denom is None else special_denom.min_quantity_tick_size
+        price = human_readable_price if is_buy else 1 - human_readable_price
+        chain_formatted_quantity = human_readable_quantity * Decimal(f"1e{quantity_decimals}")
+        chain_formatted_price = price * Decimal(f"1e{price_decimals}")
+        margin = (chain_formatted_price * chain_formatted_quantity)
+        # We are using the min_quantity_tick_size to quantize the margin because that is the way margin is validated
+        # in the chain (it might be changed to a min_notional in the future)
+        quantized_margin = (margin // min_quantity_tick_size) * min_quantity_tick_size
+        extended_chain_formatted_margin = quantized_margin * Decimal(f"1e{ADDITIONAL_CHAIN_FORMAT_DECIMALS}")
+
+        return extended_chain_formatted_margin
\ No newline at end of file
diff --git a/pyinjective/core/network.py b/pyinjective/core/network.py
new file mode 100644
index 00000000..420d0152
--- /dev/null
+++ b/pyinjective/core/network.py
@@ -0,0 +1,344 @@
+import asyncio
+import datetime
+import time
+from abc import ABC, abstractmethod
+from http.cookies import SimpleCookie
+from typing import Callable, Optional, Tuple
+
+
+class CookieAssistant(ABC):
+    SESSION_RENEWAL_OFFSET = 120
+
+    @abstractmethod
+    async def chain_cookie(self, metadata_query_provider: Callable) -> str:
+        ...
+
+    @abstractmethod
+    async def exchange_cookie(self, metadata_query_provider: Callable) -> str:
+        ...
+
+    async def chain_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        cookie = await self.chain_cookie(metadata_query_provider=metadata_query_provider)
+        return (("cookie", cookie),)
+
+    async def exchange_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        cookie = await self.exchange_cookie(metadata_query_provider=metadata_query_provider)
+        return (("cookie", cookie),)
+
+
+class KubernetesLoadBalancedCookieAssistant(CookieAssistant):
+
+    def __init__(self):
+        self._chain_cookie: Optional[str] = None
+        self._exchange_cookie: Optional[str] = None
+        self._chain_cookie_initialization_lock = asyncio.Lock()
+        self._exchange_cookie_initialization_lock = asyncio.Lock()
+
+    async def chain_cookie(self, metadata_query_provider: Callable) -> str:
+        if self._chain_cookie == None:
+            async with self._chain_cookie_initialization_lock:
+                if self._chain_cookie == None:
+                    await self._fetch_chain_cookie(metadata_query_provider=metadata_query_provider)
+        cookie = self._chain_cookie
+        self._check_chain_cookie_expiration()
+
+        return cookie
+
+    async def exchange_cookie(self, metadata_query_provider: Callable) -> str:
+        if self._exchange_cookie == None:
+            async with self._exchange_cookie_initialization_lock:
+                if self._exchange_cookie == None:
+                    await self._fetch_exchange_cookie(metadata_query_provider=metadata_query_provider)
+        cookie = self._exchange_cookie
+        self._check_exchange_cookie_expiration()
+
+        return cookie
+
+    async def _fetch_chain_cookie(self, metadata_query_provider: Callable):
+        metadata = await metadata_query_provider()
+        cookie_info = next((value for key, value in metadata if key == "set-cookie"), None)
+
+        if cookie_info is None:
+            raise RuntimeError(f"Error fetching chain cookie ({metadata})")
+
+        self._chain_cookie = cookie_info
+
+    async def _fetch_exchange_cookie(self, metadata_query_provider: Callable):
+        metadata = await metadata_query_provider()
+        cookie_info = next((value for key, value in metadata if key == "set-cookie"), None)
+
+        if cookie_info is None:
+            raise RuntimeError(f"Error fetching exchange cookie ({metadata})")
+
+        self._exchange_cookie = cookie_info
+
+    def _check_chain_cookie_expiration(self):
+        if self._is_cookie_expired(cookie_data=self._chain_cookie):
+            self._chain_cookie = None
+
+    def _check_exchange_cookie_expiration(self):
+        if self._is_cookie_expired(cookie_data=self._exchange_cookie):
+            self._exchange_cookie = None
+
+    def _is_cookie_expired(self, cookie_data: str) -> bool:
+        cookie = SimpleCookie()
+        cookie.load(cookie_data)
+
+        expiration_time = datetime.datetime.strptime(cookie["GCLB"]["expires"],
+                                                     "%a, %d-%b-%Y %H:%M:%S %Z").timestamp()
+
+        timestamp_diff = expiration_time - time.time()
+        return timestamp_diff < self.SESSION_RENEWAL_OFFSET
+
+
+class BareMetalLoadBalancedCookieAssistant(CookieAssistant):
+
+    def __init__(self):
+        self._chain_cookie: Optional[str] = None
+        self._exchange_cookie: Optional[str] = None
+        self._chain_cookie_initialization_lock = asyncio.Lock()
+        self._exchange_cookie_initialization_lock = asyncio.Lock()
+
+    async def chain_cookie(self, metadata_query_provider: Callable) -> str:
+        if self._chain_cookie == None:
+            async with self._chain_cookie_initialization_lock:
+                if self._chain_cookie == None:
+                    await self._fetch_chain_cookie(metadata_query_provider=metadata_query_provider)
+        cookie = self._chain_cookie
+        self._check_chain_cookie_expiration()
+
+        return cookie
+
+    async def exchange_cookie(self, metadata_query_provider: Callable) -> str:
+        if self._exchange_cookie == None:
+            async with self._exchange_cookie_initialization_lock:
+                if self._exchange_cookie == None:
+                    await self._fetch_exchange_cookie(metadata_query_provider=metadata_query_provider)
+        cookie = self._exchange_cookie
+        self._check_exchange_cookie_expiration()
+
+        return cookie
+
+    async def _fetch_chain_cookie(self, metadata_query_provider: Callable):
+        metadata = await metadata_query_provider()
+        cookie_info = next((value for key, value in metadata if key == "set-cookie"), None)
+
+        if cookie_info is None:
+            raise RuntimeError(f"Error fetching chain cookie ({metadata})")
+
+        self._chain_cookie = cookie_info
+
+    async def _fetch_exchange_cookie(self, metadata_query_provider: Callable):
+        metadata = await metadata_query_provider()
+        cookie_info = next((value for key, value in metadata if key == "set-cookie"), None)
+
+        if cookie_info is None:
+            raise RuntimeError(f"Error fetching exchange cookie ({metadata})")
+
+        self._exchange_cookie = cookie_info
+
+    def _check_chain_cookie_expiration(self):
+        if self._is_cookie_expired(cookie_data=self._chain_cookie):
+            self._chain_cookie = None
+
+    def _check_exchange_cookie_expiration(self):
+        if self._is_cookie_expired(cookie_data=self._exchange_cookie):
+            self._exchange_cookie = None
+
+    def _is_cookie_expired(self, cookie_data: str) -> bool:
+        # The cookies for these nodes do not expire
+        return False
+
+
+class DisabledCookieAssistant(CookieAssistant):
+    async def chain_cookie(self, metadata_query_provider: Callable) -> str:
+        pass
+
+    async def exchange_cookie(self, metadata_query_provider: Callable) -> str:
+        pass
+
+    async def chain_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        return None
+
+    async def exchange_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        return None
+
+
+class Network:
+    def __init__(
+        self,
+        lcd_endpoint: str,
+        tm_websocket_endpoint: str,
+        grpc_endpoint: str,
+        grpc_exchange_endpoint: str,
+        grpc_explorer_endpoint: str,
+        chain_id: str,
+        fee_denom: str,
+        env: str,
+        cookie_assistant: CookieAssistant,
+        use_secure_connection: bool = False,
+    ):
+        self.lcd_endpoint = lcd_endpoint
+        self.tm_websocket_endpoint = tm_websocket_endpoint
+        self.grpc_endpoint = grpc_endpoint
+        self.grpc_exchange_endpoint = grpc_exchange_endpoint
+        self.grpc_explorer_endpoint = grpc_explorer_endpoint
+        self.chain_id = chain_id
+        self.fee_denom = fee_denom
+        self.env = env
+        self.cookie_assistant = cookie_assistant
+        self.use_secure_connection = use_secure_connection
+
+    @classmethod
+    def devnet(cls):
+        return cls(
+            lcd_endpoint="https://devnet.lcd.injective.dev",
+            tm_websocket_endpoint="wss://devnet.tm.injective.dev/websocket",
+            grpc_endpoint="devnet.injective.dev:9900",
+            grpc_exchange_endpoint="devnet.injective.dev:9910",
+            grpc_explorer_endpoint="devnet.injective.dev:9911",
+            chain_id="injective-777",
+            fee_denom="inj",
+            env="devnet",
+            cookie_assistant=DisabledCookieAssistant(),
+        )
+
+    @classmethod
+    def testnet(cls, node="lb"):
+        nodes = [
+            "lb",
+            "sentry",
+        ]
+        if node not in nodes:
+            raise ValueError("Must be one of {}".format(nodes))
+
+        if node == "lb":
+            lcd_endpoint = "https://testnet.sentry.lcd.injective.network:443"
+            tm_websocket_endpoint = "wss://testnet.sentry.tm.injective.network:443/websocket"
+            grpc_endpoint = "testnet.sentry.chain.grpc.injective.network:443"
+            grpc_exchange_endpoint = "testnet.sentry.exchange.grpc.injective.network:443"
+            grpc_explorer_endpoint = "testnet.sentry.explorer.grpc.injective.network:443"
+            cookie_assistant = BareMetalLoadBalancedCookieAssistant()
+            use_secure_connection = True
+        else:
+            lcd_endpoint = "https://testnet.lcd.injective.network"
+            tm_websocket_endpoint = "wss://testnet.tm.injective.network/websocket"
+            grpc_endpoint = "testnet.chain.grpc.injective.network"
+            grpc_exchange_endpoint = "testnet.exchange.grpc.injective.network"
+            grpc_explorer_endpoint = "testnet.explorer.grpc.injective.network"
+            cookie_assistant = DisabledCookieAssistant()
+            use_secure_connection = True
+
+        return cls(
+            lcd_endpoint=lcd_endpoint,
+            tm_websocket_endpoint=tm_websocket_endpoint,
+            grpc_endpoint=grpc_endpoint,
+            grpc_exchange_endpoint=grpc_exchange_endpoint,
+            grpc_explorer_endpoint=grpc_explorer_endpoint,
+            chain_id="injective-888",
+            fee_denom="inj",
+            env="testnet",
+            cookie_assistant=cookie_assistant,
+            use_secure_connection=use_secure_connection
+        )
+
+    @classmethod
+    def mainnet(cls, node="lb"):
+        nodes = [
+            "lb", # us, asia, prod
+            "lb_k8s",
+            "sentry0",  # ca, prod
+            "sentry1",  # ca, prod
+            "sentry3",  # us, prod
+        ]
+        if node not in nodes:
+            raise ValueError("Must be one of {}".format(nodes))
+
+        if node == "lb":
+            lcd_endpoint = "https://sentry.lcd.injective.network:443"
+            tm_websocket_endpoint = "wss://sentry.tm.injective.network:443/websocket"
+            grpc_endpoint = "sentry.chain.grpc.injective.network:443"
+            grpc_exchange_endpoint = "sentry.exchange.grpc.injective.network:443"
+            grpc_explorer_endpoint = "sentry.explorer.grpc.injective.network:443"
+            cookie_assistant = BareMetalLoadBalancedCookieAssistant()
+            use_secure_connection = True
+        elif node == "lb_k8s":
+            lcd_endpoint = "https://k8s.global.mainnet.lcd.injective.network:443"
+            tm_websocket_endpoint = "wss://k8s.global.mainnet.tm.injective.network:443/websocket"
+            grpc_endpoint = "k8s.global.mainnet.chain.grpc.injective.network:443"
+            grpc_exchange_endpoint = "k8s.global.mainnet.exchange.grpc.injective.network:443"
+            grpc_explorer_endpoint = "k8s.global.mainnet.explorer.grpc.injective.network:443"
+            cookie_assistant = KubernetesLoadBalancedCookieAssistant()
+            use_secure_connection = True
+        else:
+            lcd_endpoint = f"http://{node}.injective.network:10337"
+            tm_websocket_endpoint = f"ws://{node}.injective.network:26657/websocket"
+            grpc_endpoint = f"{node}.injective.network:9900"
+            grpc_exchange_endpoint = f"{node}.injective.network:9910"
+            grpc_explorer_endpoint = f"{node}.injective.network:9911"
+            cookie_assistant = DisabledCookieAssistant()
+            use_secure_connection = False
+
+        return cls(
+            lcd_endpoint=lcd_endpoint,
+            tm_websocket_endpoint=tm_websocket_endpoint,
+            grpc_endpoint=grpc_endpoint,
+            grpc_exchange_endpoint=grpc_exchange_endpoint,
+            grpc_explorer_endpoint=grpc_explorer_endpoint,
+            chain_id="injective-1",
+            fee_denom="inj",
+            env="mainnet",
+            cookie_assistant=cookie_assistant,
+            use_secure_connection=use_secure_connection,
+        )
+
+    @classmethod
+    def local(cls):
+        return cls(
+            lcd_endpoint="http://localhost:10337",
+            tm_websocket_endpoint="ws://localhost:26657/websocket",
+            grpc_endpoint="localhost:9900",
+            grpc_exchange_endpoint="localhost:9910",
+            grpc_explorer_endpoint="localhost:9911",
+            chain_id="injective-1",
+            fee_denom="inj",
+            env="local",
+            cookie_assistant=DisabledCookieAssistant(),
+            use_secure_connection=False,
+        )
+
+    @classmethod
+    def custom(
+            cls,
+            lcd_endpoint,
+            tm_websocket_endpoint,
+            grpc_endpoint,
+            grpc_exchange_endpoint,
+            grpc_explorer_endpoint,
+            chain_id,
+            env,
+            cookie_assistant: Optional[CookieAssistant] = None,
+            use_secure_connection: bool = False,
+    ):
+        assistant = cookie_assistant or DisabledCookieAssistant()
+        return cls(
+            lcd_endpoint=lcd_endpoint,
+            tm_websocket_endpoint=tm_websocket_endpoint,
+            grpc_endpoint=grpc_endpoint,
+            grpc_exchange_endpoint=grpc_exchange_endpoint,
+            grpc_explorer_endpoint=grpc_explorer_endpoint,
+            chain_id=chain_id,
+            fee_denom="inj",
+            env=env,
+            cookie_assistant=assistant,
+            use_secure_connection=use_secure_connection
+        )
+
+    def string(self):
+        return self.env
+
+    async def chain_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        return await self.cookie_assistant.chain_metadata(metadata_query_provider=metadata_query_provider)
+
+    async def exchange_metadata(self, metadata_query_provider: Callable) -> Tuple[Tuple[str, str]]:
+        return await self.cookie_assistant.exchange_metadata(metadata_query_provider=metadata_query_provider)
diff --git a/pyinjective/core/token.py b/pyinjective/core/token.py
new file mode 100644
index 00000000..c6af6c0d
--- /dev/null
+++ b/pyinjective/core/token.py
@@ -0,0 +1,15 @@
+from dataclasses import dataclass
+from decimal import Decimal
+
+@dataclass(eq=True, frozen=True)
+class Token:
+    name: str
+    symbol: str
+    denom: str
+    address: str
+    decimals: int
+    logo: str
+    updated: int
+
+    def chain_formatted_value(self, human_readable_value: Decimal) -> Decimal:
+        return human_readable_value * Decimal(f"1e{self.decimals}")
diff --git a/pyinjective/denoms_devnet.ini b/pyinjective/denoms_devnet.ini
index 7b2df629..4e4f2797 100644
--- a/pyinjective/denoms_devnet.ini
+++ b/pyinjective/denoms_devnet.ini
@@ -92,7 +92,7 @@ min_display_quantity_tick_size = 0.001
 description = 'Devnet Spot GF/USDT'
 base = 18
 quote = 6
-min_price_tick_size = 0.000000000000001
+min_price_tick_size = 0.0000000000000001
 min_display_price_tick_size = 0.001
 min_quantity_tick_size = 100000
 min_display_quantity_tick_size = 1e-13
diff --git a/pyinjective/transaction.py b/pyinjective/transaction.py
index 7a02228f..afe7bd24 100644
--- a/pyinjective/transaction.py
+++ b/pyinjective/transaction.py
@@ -5,9 +5,8 @@
 from .proto.cosmos.tx.v1beta1 import tx_pb2 as cosmos_tx_type
 from .proto.cosmos.tx.signing.v1beta1 import signing_pb2 as tx_sign
 
-from .client import Client
 from .constant import MAX_MEMO_CHARACTERS
-from .exceptions import EmptyMsgError, NotFoundError, UndefinedError, ValueTooLargeError
+from .exceptions import EmptyMsgError, UndefinedError, ValueTooLargeError
 from .wallet import PublicKey
 
 class Transaction:
@@ -44,16 +43,6 @@ def with_messages(self, *msgs: message.Message) -> "Transaction":
         self.msgs.extend(self.__convert_msgs(msgs))
         return self
 
-    def with_sender(self, client: Client, sender: str) -> "Transaction":
-        if len(self.msgs) == 0:
-            raise EmptyMsgError("message is empty, please use with_messages at least 1 message")
-        account = client.get_account(sender)
-        if account:
-            self.account_num = account.account_number
-            self.sequence = account.sequence
-            return self
-        raise NotFoundError("Account doesn't exist")
-
     def with_account_num(self, account_num: int) -> "Transaction":
         self.account_num = account_num
         return self
diff --git a/pyinjective/fetch_metadata.py b/pyinjective/utils/fetch_metadata.py
similarity index 82%
rename from pyinjective/fetch_metadata.py
rename to pyinjective/utils/fetch_metadata.py
index 1abbd815..68269b74 100644
--- a/pyinjective/fetch_metadata.py
+++ b/pyinjective/utils/fetch_metadata.py
@@ -1,15 +1,7 @@
 import asyncio
-import logging
-import grpc
 
-import pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 as spot_exchange_rpc_pb
-import pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2_grpc as spot_exchange_rpc_grpc
-import pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2 as derivative_exchange_rpc_pb
-import pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2_grpc as derivative_exchange_rpc_grpc
-
-from decimal import *
 from pyinjective.async_client import AsyncClient
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 
 metadata_template = """[{}]
 description = '{} {} {}'
@@ -36,7 +28,7 @@ async def fetch_denom(network) -> str:
     symbols = {}
 
     # fetch meta data for spot markets
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     status = 'active'
     mresp = await client.get_spot_markets(market_status=status)
     for market in mresp.markets:
@@ -63,7 +55,7 @@ async def fetch_denom(network) -> str:
         denom_output += config
 
     # fetch meta data for derivative markets
-    client = AsyncClient(network, insecure=False)
+    client = AsyncClient(network)
     status = 'active'
     mresp = await client.get_derivative_markets(market_status=status)
     for market in mresp.markets:
@@ -96,12 +88,12 @@ async def fetch_denom(network) -> str:
 async def main() -> None:
     testnet = Network.testnet()
     data = await fetch_denom(testnet)
-    with open("denoms_testnet.ini", "w") as text_file:
+    with open("../denoms_testnet.ini", "w") as text_file:
         text_file.write(data)
 
     mainnet = Network.mainnet()
     data = await fetch_denom(mainnet)
-    with open("denoms_mainnet.ini", "w") as text_file:
+    with open("../denoms_mainnet.ini", "w") as text_file:
         text_file.write(data)
 
 if __name__ == '__main__':
diff --git a/pyinjective/utils/metadata_validation.py b/pyinjective/utils/metadata_validation.py
new file mode 100644
index 00000000..366aa0aa
--- /dev/null
+++ b/pyinjective/utils/metadata_validation.py
@@ -0,0 +1,106 @@
+import asyncio
+from decimal import Decimal
+from typing import Any, List, Tuple
+
+import pyinjective.constant as constant
+from pyinjective.async_client import AsyncClient
+from pyinjective.core.network import Network
+from pyinjective.core.market import SpotMarket, DerivativeMarket, BinaryOptionMarket
+
+
+def find_metadata_inconsistencies(network: Network) -> Tuple[List[Any]]:
+    client = AsyncClient(network)
+    ini_config = constant.CONFIGS[network.string()]
+
+    spot_markets = asyncio.get_event_loop().run_until_complete(client.all_spot_markets())
+    derivative_markets = asyncio.get_event_loop().run_until_complete(client.all_derivative_markets())
+    binary_option_markets = asyncio.get_event_loop().run_until_complete(client.all_binary_option_markets())
+    all_tokens = asyncio.get_event_loop().run_until_complete(client.all_tokens())
+
+    markets_not_found = []
+    markets_with_diffs = []
+    peggy_denoms_not_found = []
+    peggy_denoms_with_diffs = []
+
+    for config_key in ini_config:
+        if config_key.startswith("0x"):
+            denom = constant.Denom.load_market(network=network.string(), market_id=config_key)
+            if config_key in spot_markets:
+                market: SpotMarket = spot_markets[config_key]
+                if (market.base_token.decimals != denom.base
+                        or market.quote_token.decimals != denom.quote
+                        or market.min_price_tick_size != Decimal(str(denom.min_price_tick_size))
+                        or market.min_quantity_tick_size != Decimal(str(denom.min_quantity_tick_size))):
+                    markets_with_diffs.append([
+                        {"denom-market": config_key, "base_decimals": denom.base, "quote_decimals": denom.quote,
+                         "min_quantity_tick_size": denom.min_quantity_tick_size,
+                         "min_price_tick_size": denom.min_price_tick_size},
+                        {"newer-market": market.id, "base_decimals": market.base_token.decimals,
+                         "quote_decimals": market.quote_token.decimals,
+                         "min_quantity_tick_size": float(market.min_quantity_tick_size),
+                         "min_price_tick_size": float(market.min_price_tick_size), "ticker": market.ticker},
+                    ])
+            elif config_key in derivative_markets:
+                market: DerivativeMarket = derivative_markets[config_key]
+                if (market.quote_token.decimals != denom.quote
+                        or market.min_price_tick_size != Decimal(str(denom.min_price_tick_size))
+                        or market.min_quantity_tick_size != Decimal(str(denom.min_quantity_tick_size))):
+                    markets_with_diffs.append([
+                        {"denom-market": config_key, "quote_decimals": denom.quote,
+                         "min_quantity_tick_size": denom.min_quantity_tick_size,
+                         "min_price_tick_size": denom.min_price_tick_size},
+                        {"newer-market": market.id, "quote_decimals": market.quote_token.decimals,
+                         "min_quantity_tick_size": float(market.min_quantity_tick_size),
+                         "min_price_tick_size": float(market.min_price_tick_size), "ticker": market.ticker},
+                    ])
+            elif config_key in binary_option_markets:
+                market: BinaryOptionMarket = binary_option_markets[config_key]
+                if (market.quote_token.decimals != denom.quote
+                        or market.min_price_tick_size != Decimal(str(denom.min_price_tick_size))
+                        or market.min_quantity_tick_size != Decimal(str(denom.min_quantity_tick_size))):
+                    markets_with_diffs.append([
+                        {"denom-market": config_key, "quote_decimals": denom.quote,
+                         "min_quantity_tick_size": denom.min_quantity_tick_size,
+                         "min_price_tick_size": denom.min_price_tick_size},
+                        {"newer-market": market.id, "quote_decimals": market.quote_token.decimals,
+                         "min_quantity_tick_size": float(market.min_quantity_tick_size),
+                         "min_price_tick_size": float(market.min_price_tick_size), "ticker": market.ticker},
+                    ])
+            else:
+                markets_not_found.append({"denom-market": config_key, "description": denom.description})
+
+        elif config_key == "DEFAULT":
+            continue
+        else:
+            # the configuration is a token
+            peggy_denom, decimals = constant.Denom.load_peggy_denom(network=network.string(), symbol=config_key)
+            if config_key in all_tokens:
+                token = all_tokens[config_key]
+                if (token.denom != peggy_denom
+                        or token.decimals != decimals):
+                    peggy_denoms_with_diffs.append([
+                        {"denom_token": config_key, "peggy_denom": peggy_denom, "decimals": decimals},
+                        {"newer_token": token.symbol, "peggy_denom": token.denom, "decimals": token.decimals}
+                    ])
+            else:
+                peggy_denoms_not_found.append(
+                    {"denom_token": config_key, "peggy_denom": peggy_denom, "decimals": decimals})
+
+    return markets_with_diffs, markets_not_found, peggy_denoms_with_diffs, peggy_denoms_not_found
+
+
+def print_metadata_mismatches(network: Network):
+    markets_with_diffs, markets_not_found, peggy_denoms_with_diffs, peggy_denoms_not_found = find_metadata_inconsistencies(
+        network=network)
+
+    for diff_pair in markets_with_diffs:
+        print(f"{diff_pair[0]}\n{diff_pair[1]}")
+    print(f"\n\n")
+    for missing_market in markets_not_found:
+        print(f"{missing_market}")
+    print(f"\n\n")
+    for diff_token in peggy_denoms_with_diffs:
+        print(f"{diff_token[0]}\n{diff_token[1]}")
+    print(f"\n\n")
+    for missing_peggy in peggy_denoms_not_found:
+        print(f"{missing_peggy}")
diff --git a/pyinjective/utils/utils.py b/pyinjective/utils/utils.py
deleted file mode 100644
index 61a02472..00000000
--- a/pyinjective/utils/utils.py
+++ /dev/null
@@ -1,108 +0,0 @@
-from decimal import Decimal
-from math import floor
-from typing import Union
-
-"""
-One thing you may need to pay more attention to is how to deal with decimals on the Injective Exchange.
-Different cryptocurrencies may require different decimal precisions. More specifically, ERC-20 tokens(e.g. INJ) have 18 decimals whereas USDT/USC have 6 decimals.
-So in our system that means ** having 1 INJ is 1e18 inj ** and that ** 1 USDT is actually 100000 peggy0xdac17f958d2ee523a2206206994597c13d831ec7**.
-
-For spot markets, a price reflects the ** relative exchange rate ** between two tokens.
-If the tokens have the same decimal scale, that's great since the prices become interpretable e.g. USDT/USDC (both have 6 decimals e.g. for USDT https://etherscan.io/address/0xdac17f958d2ee523a2206206994597c13d831ec7#readContract)
-or MATIC/INJ (both have 18 decimals) since the decimals cancel out.
-Prices however start to look wonky once you have exchanges between two tokens of different decimals, which unfortunately is most pairs with USDT or USDC denominations e.g. INJ/USDT.
-As such, I've created some simple utility functions by keeping a hardcoded dictionary in injective-py and you can also achieve such utilities by yourself
-(e.g. you can use external API like Alchemy's getTokenMetadata to fetch decimal of base and quote asset).
-
-So for INJ/USDT of 6.9, the price you end up getting is 6.9*10 ^ (6 - 18) = 6.9e-12. Note that this market also happens to have a MinPriceTickSize of 1e-15.
-This makes sense since since it's defining th3e minimum price increment of the relative exchange of INJ to USDT.
-
-Note that this market also happens to have a MinQuantityTickSize of 1e15.
-This also makes sense since it refers to the minimum INJ quantity tick size each order must have, which is 1e15/1e18 = 0.001 INJ.
-
-"""
-
-def spot_price_to_backend(price, denom) -> int:
-    price_tick_size = denom.min_price_tick_size
-    scale_price = Decimal(18 + denom.quote - denom.base)
-    exchange_price = floor_to(price, price_tick_size) * pow(Decimal(10), scale_price)
-    return int(exchange_price)
-
-def spot_quantity_to_backend(quantity, denom) -> int:
-    quantity_tick_size = float(denom.min_quantity_tick_size) / pow(10, denom.base)
-    scale_quantity = Decimal(18 + denom.base)
-    exchange_quantity = floor_to(quantity, quantity_tick_size) * pow(Decimal(10), scale_quantity)
-    return int(exchange_quantity)
-
-def derivative_price_to_backend(price, denom) -> int:
-    price_tick_size = Decimal(denom.min_price_tick_size) / pow(10, denom.quote)
-    exchange_price = floor_to(price, float(price_tick_size)) * pow(10, 18 + denom.quote)
-    return int(exchange_price)
-
-def binary_options_price_to_backend(price, denom) -> int:
-    price_tick_size = Decimal(denom.min_price_tick_size) / pow(10, denom.quote)
-    exchange_price = floor_to(price, float(price_tick_size)) * pow(10, 18 + denom.quote)
-    return int(exchange_price)
-
-def derivative_quantity_to_backend(quantity, denom) -> int:
-    quantity_tick_size = float(denom.min_quantity_tick_size) / pow(10, denom.base)
-    scale_quantity = Decimal(18 + denom.base)
-    exchange_quantity = floor_to(quantity, quantity_tick_size) * pow(Decimal(10), scale_quantity)
-    return int(exchange_quantity)
-
-def binary_options_quantity_to_backend(quantity, denom) -> int:
-    quantity_tick_size = float(denom.min_quantity_tick_size) / pow(10, denom.base)
-    scale_quantity = Decimal(18 + denom.base)
-    exchange_quantity = floor_to(quantity, quantity_tick_size) * pow(Decimal(10), scale_quantity)
-    return int(exchange_quantity)
-
-def derivative_margin_to_backend(price, quantity, leverage, denom) -> int:
-    chain_format_price = Decimal(str(price)) * Decimal(f"1e{denom.quote}")
-    chain_format_quantity = Decimal(str(quantity)) * Decimal(f"1e{denom.base}")
-    decimal_leverage = Decimal(str(leverage))
-    margin = (chain_format_price * chain_format_quantity) / decimal_leverage
-    # We are using the min_quantity_tick_size to quantize the margin because that is the way margin is validated
-    # in the chain (it might be changed to a min_notional in the future)
-    exchange_margin = floor_to(margin, denom.min_quantity_tick_size) * Decimal(f"1e18")
-    return int(exchange_margin)
-
-def binary_options_buy_margin_to_backend(price, quantity, denom) -> int:
-    price_tick_size = Decimal(denom.min_price_tick_size) / pow(10, denom.quote)
-    margin = Decimal(str(price)) * Decimal(str(quantity))
-    exchange_margin = floor_to(margin, float(price_tick_size)) * pow(10, 18 + denom.quote)
-    return int(exchange_margin)
-
-def binary_options_sell_margin_to_backend(price, quantity, denom) -> int:
-    price_tick_size = Decimal(denom.min_price_tick_size) / pow(10, denom.quote)
-    margin = (1 - (Decimal(str(price)))) * (Decimal(str(quantity)))
-    exchange_margin = floor_to(margin, float(price_tick_size)) * pow(10, 18 + denom.quote)
-    return int(exchange_margin)
-
-def derivative_additional_margin_to_backend(amount, denom) -> int:
-    price_tick_size = float(denom.min_price_tick_size) / pow(10, denom.quote)
-    additional_margin = floor_to(amount, price_tick_size) * pow(10, 18 + denom.quote)
-    return int(additional_margin)
-
-def amount_to_backend(amount, decimals) -> int:
-    be_amount = amount * pow(10, decimals)
-    return int(be_amount)
-
-def floor_to(value: Union[float, Decimal], target: Union[float, Decimal]) -> Decimal:
-    value_tmp = Decimal(str(value))
-    target_tmp = Decimal(str(target))
-    result = int(floor(value_tmp / target_tmp)) * target_tmp
-    return result
-
-def spot_price_from_backend(price, denom) -> float:
-    scale = float(denom.quote - denom.base)
-    return float(price) / pow(10, scale)
-
-def spot_quantity_from_backend(quantity, denom) -> Decimal:
-    scale = float(denom.base)
-    quantity_tick_size = float(denom.min_quantity_tick_size) / pow(10, scale)
-    quantity = float(quantity) / pow(10, scale)
-    return floor_to(quantity, quantity_tick_size)
-
-def derivative_price_from_backend(price, denom) -> float:
-    scale = float(denom.quote)
-    return float(price) / pow(10, scale)
diff --git a/run-examples.sh b/run-examples.sh
index 8196e9d9..4b376ce9 100755
--- a/run-examples.sh
+++ b/run-examples.sh
@@ -1,5 +1,5 @@
 runChainExamples(){
-  examples=$(find -s examples/chain_client_examples -type f -mindepth 1 -name '*.py')
+  examples=$(find -s examples/chain_client -type f -mindepth 1 -name '*.py')
   echo "Running all chain examples..."
   for example in $examples
   do
@@ -10,7 +10,7 @@ runChainExamples(){
 }
 
 runExchangeExamples(){
-  dirs=$(find -s examples/exchange_api_examples -type d -mindepth 1)
+  dirs=$(find -s examples/exchange_client -type d -mindepth 1)
   for dir in $dirs
   do
     examples=$(find -s $dir -type f -name '*.py')
@@ -26,6 +26,8 @@ runExchangeExamples(){
   done
 }
 
+export PYTHONPATH=$PYTHONPATH:$(pwd)
+
 TYPE=$1
 case $TYPE in
   "chain")
diff --git a/setup.py b/setup.py
index f8275c57..ec5c78ae 100755
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 EMAIL = "achilleas@injectivelabs.com"
 AUTHOR = "Injective Labs"
 REQUIRES_PYTHON = ">=3.9"
-VERSION = "0.7.2.1"
+VERSION = "0.8.1"
 
 REQUIRED = [
     "aiohttp",
@@ -42,6 +42,7 @@
 DEV_REQUIRED = [
     "pytest",
     "pytest-asyncio",
+    "pytest-grpc",
     "request-mock",
 ]
 
diff --git a/tests/async_client_tests.py b/tests/async_client_tests.py
deleted file mode 100644
index 0446d9ec..00000000
--- a/tests/async_client_tests.py
+++ /dev/null
@@ -1,84 +0,0 @@
-import logging
-
-import pytest
-from pyinjective.constant import Network
-
-from pyinjective.async_client import AsyncClient
-
-
-class TestAsyncClient:
-
-    def test_instance_creation_logs_session_cookie_load_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        AsyncClient(
-            network=Network.local(),
-            insecure=False,
-        )
-
-        expected_log_message_prefix = "chain session cookie loaded from disk: "
-        found_log = next(
-            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
-            None,
-        )
-        assert(found_log is not None)
-        assert(found_log[0] == "pyinjective.async_client.AsyncClient")
-        assert(found_log[1] == logging.INFO)
-
-
-    @pytest.mark.asyncio
-    async def test_sync_timeout_height_logs_exception(self, caplog):
-        client = AsyncClient(
-            network=Network.local(),
-            insecure=False,
-        )
-
-        with caplog.at_level(logging.DEBUG):
-            await client.sync_timeout_height()
-
-        expected_log_message_prefix = "error while fetching latest block, setting timeout height to 0: "
-        found_log = next(
-            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
-            None,
-        )
-        assert (found_log is not None)
-        assert (found_log[0] == "pyinjective.async_client.AsyncClient")
-        assert (found_log[1] == logging.DEBUG)
-
-    def test_set_cookie_logs_chain_session_cookie_saved(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        client = AsyncClient(
-            network=Network.local(),
-            insecure=False,
-        )
-
-        client.set_cookie(metadata=[("set-cookie", "test-value")], type="chain")
-
-        expected_log_message_prefix = "chain session cookie saved to disk"
-        found_log = next(
-            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
-            None,
-        )
-        assert (found_log is not None)
-        assert (found_log[0] == "pyinjective.async_client.AsyncClient")
-        assert (found_log[1] == logging.INFO)
-
-    @pytest.mark.asyncio
-    async def test_get_account_logs_exception(self, caplog):
-        client = AsyncClient(
-            network=Network.local(),
-            insecure=False,
-        )
-
-        with caplog.at_level(logging.DEBUG):
-            await client.get_account(address="")
-
-        expected_log_message_prefix = "error while fetching sequence and number "
-        found_log = next(
-            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
-            None,
-        )
-        assert (found_log is not None)
-        assert (found_log[0] == "pyinjective.async_client.AsyncClient")
-        assert (found_log[1] == logging.DEBUG)
\ No newline at end of file
diff --git a/tests/composer_tests.py b/tests/composer_tests.py
deleted file mode 100644
index eabef128..00000000
--- a/tests/composer_tests.py
+++ /dev/null
@@ -1,183 +0,0 @@
-import logging
-
-import pytest
-
-from pyinjective.composer import Composer
-from pyinjective.constant import Denom, Network
-
-
-class TestComposer:
-
-    @pytest.fixture
-    def inj_usdt_market_id(self):
-        return "0xa508cb32923323679f29a032c70342c147c17d0145625922b0ef22e955c844c0"
-
-    def test_spot_order_creation_logs_market_data_loaded_info(self, caplog, inj_usdt_market_id):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.SpotOrder(
-            market_id=inj_usdt_market_id,
-            subaccount_id="",
-            fee_recipient="",
-            price=1.0,
-            quantity=1.0,
-        )
-
-        expected_log_message_prefix = "Loaded market metadata for: 'Devnet Spot INJ/USDT'"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_derivative_order_creation_logs_market_data_loaded_info(self, caplog, inj_usdt_market_id):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.DerivativeOrder(
-            market_id=inj_usdt_market_id,
-            subaccount_id="",
-            fee_recipient="",
-            price=1.0,
-            quantity=1.0,
-            leverage=1.0,
-        )
-
-        expected_log_message_prefix = "Loaded market metadata for: 'Devnet Spot INJ/USDT'"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_binary_order_creation_logs_market_data_loaded_info(self, caplog, inj_usdt_market_id):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.BinaryOptionsOrder(
-            market_id=inj_usdt_market_id,
-            subaccount_id="",
-            fee_recipient="",
-            price=1.0,
-            quantity=1.0,
-        )
-
-        expected_log_message_prefix = "Loaded market metadata for: 'Devnet Spot INJ/USDT'"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_send_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgSend(
-            from_address="",
-            to_address="",
-            amount=1.0,
-            denom="INJ",
-        )
-
-        expected_log_message_prefix = f"Loaded send symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_deposit_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgDeposit(
-            sender="",
-            subaccount_id="",
-            amount=1.0,
-            denom="INJ",
-        )
-
-        expected_log_message_prefix = f"Loaded deposit symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_withdraw_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgWithdraw(
-            sender="",
-            subaccount_id="",
-            amount=1.0,
-            denom="INJ",
-        )
-
-        expected_log_message_prefix = f"Loaded withdrawal symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_external_transfer_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgExternalTransfer(
-            sender="",
-            source_subaccount_id="",
-            destination_subaccount_id="",
-            amount=1.0,
-            denom="INJ",
-        )
-
-        expected_log_message_prefix = f"Loaded send symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_send_to_eth_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgSendToEth(
-            denom="INJ",
-            sender="",
-            eth_dest="",
-            amount=1.0,
-            bridge_fee=1.0,
-        )
-
-        expected_log_message_prefix = f"Loaded withdrawal symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_create_insurance_fund_logs_market_data_loaded_info(self, caplog):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgCreateInsuranceFund(
-            sender="",
-            ticker="",
-            quote_denom="INJ",
-            oracle_base="",
-            oracle_quote="",
-            oracle_type=1,
-            expiry=1,
-            initial_deposit=1,
-        )
-
-        expected_log_message_prefix = f"Loaded send symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
-
-    def test_msg_underwrite_logs_market_data_loaded_info(self, caplog, inj_usdt_market_id):
-        caplog.set_level(logging.INFO)
-
-        composer = Composer(network=Network.devnet().string())
-
-        composer.MsgUnderwrite(
-            sender="",
-            market_id=inj_usdt_market_id,
-            quote_denom="INJ",
-            amount=1,
-        )
-
-        expected_log_message_prefix = f"Loaded send symbol INJ (inj) with decimals = 18"
-        expected_log_record = ("pyinjective.composer.Composer", logging.INFO, expected_log_message_prefix)
-        assert(expected_log_record in caplog.record_tuples)
diff --git a/tests/core/__init__.py b/tests/core/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/core/test_gas_limit_estimator.py b/tests/core/test_gas_limit_estimator.py
index 070ebb26..9ccbc98b 100644
--- a/tests/core/test_gas_limit_estimator.py
+++ b/tests/core/test_gas_limit_estimator.py
@@ -1,9 +1,13 @@
+from decimal import Decimal
+
 from pyinjective.composer import Composer
 from pyinjective.core.gas_limit_estimator import GasLimitEstimator
+from pyinjective.core.market import BinaryOptionMarket
 from pyinjective.proto.cosmos.gov.v1beta1 import tx_pb2 as gov_tx_pb
 from pyinjective.proto.cosmwasm.wasm.v1 import tx_pb2 as wasm_tx_pb
 from pyinjective.proto.injective.exchange.v1beta1 import tx_pb2 as injective_exchange_tx_pb
 
+from tests.model_fixtures.markets_fixtures import usdt_token
 
 class TestGasLimitEstimator:
 
@@ -155,7 +159,7 @@ def test_estimation_for_batch_cancel_derivative_orders(self):
         assert((expected_order_gas_limit * 3) + expected_message_gas_limit == estimator.gas_limit())
 
     def test_estimation_for_batch_update_orders_to_create_spot_orders(self):
-        market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
+        market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
         composer = Composer(network="testnet")
         orders = [
             composer.SpotOrder(
@@ -230,9 +234,27 @@ def test_estimation_for_batch_update_orders_to_create_derivative_orders(self):
 
         assert((expected_order_gas_limit * 2) + expected_message_gas_limit == estimator.gas_limit())
 
-    def test_estimation_for_batch_update_orders_to_create_binary_orders(self):
-        market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
+    def test_estimation_for_batch_update_orders_to_create_binary_orders(self, usdt_token):
+        market_id = "0x230dcce315364ff6360097838701b14713e2f4007d704df20ed3d81d09eec957"
         composer = Composer(network="testnet")
+        market = BinaryOptionMarket(
+            id=market_id,
+            status="active",
+            ticker="5fdbe0b1-1707800399-WAS",
+            oracle_symbol="Frontrunner",
+            oracle_provider="Frontrunner",
+            oracle_type="provider",
+            oracle_scale_factor=6,
+            expiration_timestamp=1707800399,
+            settlement_timestamp=1707843599,
+            quote_token=usdt_token,
+            maker_fee_rate=Decimal("0"),
+            taker_fee_rate=Decimal("0"),
+            service_provider_fee=Decimal("0.4"),
+            min_price_tick_size=Decimal("10000"),
+            min_quantity_tick_size=Decimal("1"),
+        )
+        composer.binary_option_markets[market.id] = market
         orders = [
             composer.BinaryOptionsOrder(
                 market_id=market_id,
@@ -434,7 +456,7 @@ def test_estimation_for_batch_update_orders_to_cancel_all_for_binary_options_mar
         assert(expected_gas_limit + expected_message_gas_limit == estimator.gas_limit())
 
     def test_estimation_for_exec_message(self):
-        market_id = "0x17ef48032cb24375ba7c2e39f384e56433bcab20cbee9a7357e4cba2eb00abe6"
+        market_id = "0x0611780ba69656949525013d947713300f56c37b6175e02f26bffa495c3208fe"
         composer = Composer(network="testnet")
         orders = [
             composer.SpotOrder(
diff --git a/tests/core/test_market.py b/tests/core/test_market.py
new file mode 100644
index 00000000..1038c51b
--- /dev/null
+++ b/tests/core/test_market.py
@@ -0,0 +1,213 @@
+import pytest
+from decimal import Decimal
+
+from pyinjective.constant import Denom
+
+from pyinjective.core.market import BinaryOptionMarket, DerivativeMarket, SpotMarket
+from tests.model_fixtures.markets_fixtures import (
+    first_match_bet_market,
+    inj_token,
+    usdt_token,
+    usdt_perp_token,
+    inj_usdt_spot_market,
+    btc_usdt_perp_market,
+)
+
+
+class TestSpotMarket:
+
+    def test_convert_quantity_to_chain_format(self, inj_usdt_spot_market: SpotMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = inj_usdt_spot_market.quantity_to_chain_format(human_readable_value=original_quantity)
+        expected_value = original_quantity * Decimal(f"1e{inj_usdt_spot_market.base_token.decimals}")
+        quantized_value = ((expected_value // inj_usdt_spot_market.min_quantity_tick_size)
+                           * inj_usdt_spot_market.min_quantity_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_price_to_chain_format(self, inj_usdt_spot_market: SpotMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = inj_usdt_spot_market.price_to_chain_format(human_readable_value=original_quantity)
+        price_decimals = inj_usdt_spot_market.quote_token.decimals - inj_usdt_spot_market.base_token.decimals
+        expected_value = original_quantity * Decimal(f"1e{price_decimals}")
+        quantized_value = ((expected_value // inj_usdt_spot_market.min_price_tick_size)
+                           * inj_usdt_spot_market.min_price_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+
+class TestDerivativeMarket:
+
+    def test_convert_quantity_to_chain_format(self, btc_usdt_perp_market: DerivativeMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = btc_usdt_perp_market.quantity_to_chain_format(human_readable_value=original_quantity)
+        quantized_value = ((original_quantity // btc_usdt_perp_market.min_quantity_tick_size)
+                           * btc_usdt_perp_market.min_quantity_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_price_to_chain_format(self, btc_usdt_perp_market: DerivativeMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = btc_usdt_perp_market.price_to_chain_format(human_readable_value=original_quantity)
+        price_decimals = btc_usdt_perp_market.quote_token.decimals
+        expected_value = original_quantity * Decimal(f"1e{price_decimals}")
+        quantized_value = ((expected_value // btc_usdt_perp_market.min_price_tick_size)
+                           * btc_usdt_perp_market.min_price_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_margin_to_chain_format(self, btc_usdt_perp_market: DerivativeMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = btc_usdt_perp_market.margin_to_chain_format(human_readable_value=original_quantity)
+        margin_decimals = btc_usdt_perp_market.quote_token.decimals
+        expected_value = original_quantity * Decimal(f"1e{margin_decimals}")
+        quantized_value = ((expected_value // btc_usdt_perp_market.min_quantity_tick_size)
+                           * btc_usdt_perp_market.min_quantity_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+class TestBinaryOptionMarket:
+
+    def test_convert_quantity_to_chain_format_with_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+        fixed_denom = Denom(
+            description="Fixed denom",
+            base=2,
+            quote=4,
+            min_quantity_tick_size=100,
+            min_price_tick_size=10000,
+        )
+
+        chain_value = first_match_bet_market.quantity_to_chain_format(
+            human_readable_value=original_quantity,
+            special_denom=fixed_denom
+        )
+        chain_formatted_quantity = original_quantity * Decimal(f"1e{fixed_denom.base}")
+        quantized_value = ((chain_formatted_quantity // Decimal(str(fixed_denom.min_quantity_tick_size)))
+                           * Decimal(str(fixed_denom.min_quantity_tick_size)))
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_quantity_to_chain_format_without_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = first_match_bet_market.quantity_to_chain_format(
+            human_readable_value=original_quantity,
+        )
+        quantized_value = ((original_quantity // first_match_bet_market.min_quantity_tick_size)
+                           * first_match_bet_market.min_quantity_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_price_to_chain_format_with_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+        fixed_denom = Denom(
+            description="Fixed denom",
+            base=2,
+            quote=4,
+            min_quantity_tick_size=100,
+            min_price_tick_size=10000,
+        )
+
+        chain_value = first_match_bet_market.price_to_chain_format(
+            human_readable_value=original_quantity,
+            special_denom=fixed_denom,
+        )
+        price_decimals = fixed_denom.quote
+        expected_value = original_quantity * Decimal(f"1e{price_decimals}")
+        quantized_value = ((expected_value // Decimal(str(fixed_denom.min_price_tick_size)))
+                           * Decimal(str(fixed_denom.min_price_tick_size)))
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_convert_price_to_chain_format_without_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+
+        chain_value = first_match_bet_market.price_to_chain_format(human_readable_value=original_quantity)
+        price_decimals = first_match_bet_market.quote_token.decimals
+        expected_value = original_quantity * Decimal(f"1e{price_decimals}")
+        quantized_value = ((expected_value // first_match_bet_market.min_price_tick_size)
+                           * first_match_bet_market.min_price_tick_size)
+        quantized_chain_format_value = quantized_value * Decimal(f"1e18")
+
+        assert (quantized_chain_format_value == chain_value)
+
+    def test_calculate_margin_for_buy_with_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+        original_price = Decimal("0.6789")
+        fixed_denom = Denom(
+            description="Fixed denom",
+            base=2,
+            quote=4,
+            min_quantity_tick_size=100,
+            min_price_tick_size=10000,
+        )
+
+        chain_value = first_match_bet_market.calculate_margin_in_chain_format(
+            human_readable_quantity=original_quantity,
+            human_readable_price=original_price,
+            is_buy=True,
+            special_denom=fixed_denom,
+        )
+
+        quantity_decimals = fixed_denom.base
+        price_decimals = fixed_denom.quote
+        expected_quantity = original_quantity * Decimal(f"1e{quantity_decimals}")
+        expected_price = original_price * Decimal(f"1e{price_decimals}")
+        expected_margin = expected_quantity * expected_price
+        quantized_margin = ((expected_margin // Decimal(str(fixed_denom.min_quantity_tick_size)))
+                           * Decimal(str(fixed_denom.min_quantity_tick_size)))
+        quantized_chain_format_margin = quantized_margin * Decimal(f"1e18")
+
+        assert (quantized_chain_format_margin == chain_value)
+
+    def test_calculate_margin_for_buy_without_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+        original_price = Decimal("0.6789")
+
+        chain_value = first_match_bet_market.calculate_margin_in_chain_format(
+            human_readable_quantity=original_quantity,
+            human_readable_price=original_price,
+            is_buy=True,
+        )
+
+        price_decimals = first_match_bet_market.quote_token.decimals
+        expected_price = original_price * Decimal(f"1e{price_decimals}")
+        expected_margin = original_quantity * expected_price
+        quantized_margin = ((expected_margin // Decimal(str(first_match_bet_market.min_quantity_tick_size)))
+                           * Decimal(str(first_match_bet_market.min_quantity_tick_size)))
+        quantized_chain_format_margin = quantized_margin * Decimal(f"1e18")
+
+        assert (quantized_chain_format_margin == chain_value)
+
+    def test_calculate_margin_for_sell_without_fixed_denom(self, first_match_bet_market: BinaryOptionMarket):
+        original_quantity = Decimal("123.456789")
+        original_price = Decimal("0.6789")
+
+        chain_value = first_match_bet_market.calculate_margin_in_chain_format(
+            human_readable_quantity=original_quantity,
+            human_readable_price=original_price,
+            is_buy=False,
+        )
+
+        price_decimals = first_match_bet_market.quote_token.decimals
+        expected_price = (Decimal(1) - original_price) * Decimal(f"1e{price_decimals}")
+        expected_margin = original_quantity * expected_price
+        quantized_margin = ((expected_margin // Decimal(str(first_match_bet_market.min_quantity_tick_size)))
+                           * Decimal(str(first_match_bet_market.min_quantity_tick_size)))
+        quantized_chain_format_margin = quantized_margin * Decimal(f"1e18")
+
+        assert (quantized_chain_format_margin == chain_value)
diff --git a/tests/core/test_message_based_transaction_fee_calculator.py b/tests/core/test_message_based_transaction_fee_calculator.py
index 602b71af..2c3c4441 100644
--- a/tests/core/test_message_based_transaction_fee_calculator.py
+++ b/tests/core/test_message_based_transaction_fee_calculator.py
@@ -6,7 +6,7 @@
 from pyinjective import Transaction
 from pyinjective.async_client import AsyncClient
 from pyinjective.composer import Composer
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.core.broadcaster import MessageBasedTransactionFeeCalculator
 from pyinjective.proto.cosmos.gov.v1beta1 import tx_pb2 as gov_tx_pb2
 from pyinjective.proto.cosmwasm.wasm.v1 import tx_pb2 as wasm_tx_pb2
@@ -18,7 +18,7 @@ class TestMessageBasedTransactionFeeCalculator:
     @pytest.mark.asyncio
     async def test_gas_fee_for_privileged_execute_contract_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -40,7 +40,7 @@ async def test_gas_fee_for_privileged_execute_contract_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_execute_contract_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -66,7 +66,7 @@ async def test_gas_fee_for_execute_contract_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_wasm_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -88,7 +88,7 @@ async def test_gas_fee_for_wasm_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_governance_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -110,7 +110,7 @@ async def test_gas_fee_for_governance_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_exchange_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -141,7 +141,7 @@ async def test_gas_fee_for_exchange_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_msg_exec_message(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
@@ -180,7 +180,7 @@ async def test_gas_fee_for_msg_exec_message(self):
     @pytest.mark.asyncio
     async def test_gas_fee_for_two_messages_in_one_transaction(self):
         network = Network.testnet(node="sentry")
-        client = AsyncClient(network=network, insecure=False)
+        client = AsyncClient(network=network)
         composer = Composer(network=network.string())
         calculator = MessageBasedTransactionFeeCalculator(
             client=client,
diff --git a/tests/core/test_token.py b/tests/core/test_token.py
new file mode 100644
index 00000000..66cb6cd7
--- /dev/null
+++ b/tests/core/test_token.py
@@ -0,0 +1,15 @@
+import pytest
+from decimal import Decimal
+
+from tests.model_fixtures.markets_fixtures import inj_token
+
+
+class TestToken:
+
+    def test_chain_formatted_value(self, inj_token):
+        value = Decimal("1.3456")
+
+        chain_formatted_value = inj_token.chain_formatted_value(human_readable_value=value)
+        expected_value = value * Decimal(f"1e{inj_token.decimals}")
+
+        assert (chain_formatted_value == expected_value)
diff --git a/tests/model_fixtures/__init__.py b/tests/model_fixtures/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/model_fixtures/markets_fixtures.py b/tests/model_fixtures/markets_fixtures.py
new file mode 100644
index 00000000..cca40680
--- /dev/null
+++ b/tests/model_fixtures/markets_fixtures.py
@@ -0,0 +1,113 @@
+import pytest
+from decimal import Decimal
+
+from pyinjective.core.market import BinaryOptionMarket, DerivativeMarket, SpotMarket
+from pyinjective.core.token import Token
+
+
+@pytest.fixture
+def inj_token():
+    token = Token(
+        name="Injective Protocol",
+        symbol="INJ",
+        denom="peggy0x44C21afAaF20c270EBbF5914Cfc3b5022173FEB7",
+        address="0xe28b3B32B6c345A34Ff64674606124Dd5Aceca30",
+        decimals=18,
+        logo="https://static.alchemyapi.io/images/assets/7226.png",
+        updated=1681739137644,
+    )
+
+    return token
+
+
+@pytest.fixture
+def usdt_token():
+    token = Token(
+        name="USDT",
+        symbol="USDT",
+        denom="peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5",
+        address="0x0000000000000000000000000000000000000000",
+        decimals=6,
+        logo="https://static.alchemyapi.io/images/assets/825.png",
+        updated=1681739137645,
+    )
+
+    return token
+
+
+@pytest.fixture
+def usdt_perp_token():
+    token = Token(
+        name="USDT PERP",
+        symbol="USDT",
+        denom="peggy0xdAC17F958D2ee523a2206206994597C13D831ec7",
+        address="0xdAC17F958D2ee523a2206206994597C13D831ec7",
+        decimals=6,
+        logo="https://static.alchemyapi.io/images/assets/825.png",
+        updated=1681739137645,
+    )
+
+    return token
+
+
+@pytest.fixture
+def inj_usdt_spot_market(inj_token, usdt_token):
+    market = SpotMarket(
+        id="0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0",
+        status="active",
+        ticker="INJ/USDT",
+        base_token=inj_token,
+        quote_token=usdt_token,
+        maker_fee_rate=Decimal("-0.0001"),
+        taker_fee_rate=Decimal("0.001"),
+        service_provider_fee=Decimal("0.4"),
+        min_price_tick_size=Decimal("0.000000000000001"),
+        min_quantity_tick_size=Decimal("1000000000000000"),
+    )
+
+    return market
+
+
+@pytest.fixture
+def btc_usdt_perp_market(usdt_perp_token):
+    market = DerivativeMarket(
+        id="0x4ca0f92fc28be0c9761326016b5a1a2177dd6375558365116b5bdda9abc229ce",
+        status="active",
+        ticker="BTC/USDT PERP",
+        oracle_base="BTC",
+        oracle_quote=usdt_perp_token.symbol,
+        oracle_type="bandibc",
+        oracle_scale_factor=6,
+        initial_margin_ratio=Decimal("0.095"),
+        maintenance_margin_ratio=Decimal("0.025"),
+        quote_token=usdt_perp_token,
+        maker_fee_rate=Decimal("-0.0001"),
+        taker_fee_rate=Decimal("0.001"),
+        service_provider_fee=Decimal("0.4"),
+        min_price_tick_size=Decimal("1000000"),
+        min_quantity_tick_size=Decimal("0.0001"),
+    )
+
+    return market
+
+@pytest.fixture
+def first_match_bet_market(usdt_token):
+    market = BinaryOptionMarket(
+        id="0x230dcce315364ff6360097838701b14713e2f4007d704df20ed3d81d09eec957",
+        status="active",
+        ticker="5fdbe0b1-1707800399-WAS",
+        oracle_symbol="Frontrunner",
+        oracle_provider="Frontrunner",
+        oracle_type="provider",
+        oracle_scale_factor=6,
+        expiration_timestamp=1707800399,
+        settlement_timestamp=1707843599,
+        quote_token=usdt_token,
+        maker_fee_rate=Decimal("0"),
+        taker_fee_rate=Decimal("0"),
+        service_provider_fee=Decimal("0.4"),
+        min_price_tick_size=Decimal("10000"),
+        min_quantity_tick_size=Decimal("1"),
+    )
+
+    return market
diff --git a/tests/rpc_fixtures/__init__.py b/tests/rpc_fixtures/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/rpc_fixtures/configurable_servicers.py b/tests/rpc_fixtures/configurable_servicers.py
new file mode 100644
index 00000000..136491ce
--- /dev/null
+++ b/tests/rpc_fixtures/configurable_servicers.py
@@ -0,0 +1,38 @@
+from collections import deque
+
+import pytest
+from pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2_grpc import InjectiveDerivativeExchangeRPCServicer
+
+from pyinjective.proto.exchange import (
+    injective_spot_exchange_rpc_pb2,
+    injective_derivative_exchange_rpc_pb2,
+)
+from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2_grpc import InjectiveSpotExchangeRPCServicer
+
+
+class ConfigurableInjectiveSpotExchangeRPCServicer(InjectiveSpotExchangeRPCServicer):
+
+    def __init__(self):
+        super().__init__()
+        self.markets_queue = deque()
+
+    async def Markets(self, request: injective_spot_exchange_rpc_pb2.MarketsRequest, context=None):
+        return self.markets_queue.pop()
+
+
+class ConfigurableInjectiveDerivativeExchangeRPCServicer(InjectiveDerivativeExchangeRPCServicer):
+
+    def __init__(self):
+        super().__init__()
+        self.markets_queue = deque()
+        self.binary_option_markets_queue = deque()
+
+    async def Markets(self, request: injective_derivative_exchange_rpc_pb2.MarketsRequest, context=None):
+        return self.markets_queue.pop()
+
+    async def BinaryOptionsMarkets(
+            self,
+            request: injective_derivative_exchange_rpc_pb2.BinaryOptionsMarketsRequest,
+            context=None
+    ):
+        return self.binary_option_markets_queue.pop()
diff --git a/tests/rpc_fixtures/markets_fixtures.py b/tests/rpc_fixtures/markets_fixtures.py
new file mode 100644
index 00000000..b6a2d3a3
--- /dev/null
+++ b/tests/rpc_fixtures/markets_fixtures.py
@@ -0,0 +1,189 @@
+import pytest
+
+
+@pytest.fixture
+def inj_token_meta():
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import TokenMeta
+
+    token = TokenMeta(
+        name="Injective Protocol",
+        address="0xe28b3B32B6c345A34Ff64674606124Dd5Aceca30",
+        symbol="INJ",
+        logo="https://static.alchemyapi.io/images/assets/7226.png",
+        decimals=18,
+        updated_at=1681739137644
+    )
+
+    return token
+
+@pytest.fixture
+def ape_token_meta():
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import TokenMeta
+
+    token = TokenMeta(
+        name="APE",
+        address="0x0000000000000000000000000000000000000000",
+        symbol="APE",
+        logo="https://assets.coingecko.com/coins/images/24383/small/apecoin.jpg?1647476455",
+        decimals=18,
+        updated_at=1681739137646
+    )
+
+    return token
+
+@pytest.fixture
+def usdt_token_meta():
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import TokenMeta
+
+    token = TokenMeta(
+        name="USDT",
+        address="0x0000000000000000000000000000000000000000",
+        symbol="USDT",
+        logo="https://static.alchemyapi.io/images/assets/825.png",
+        decimals=6,
+        updated_at=1681739137645
+    )
+
+    return token
+
+@pytest.fixture
+def usdt_token_meta_second_denom():
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import TokenMeta
+
+    token = TokenMeta(
+        name="USDT Second Denom",
+        address="0x0000000000000000000000000000000000000000",
+        symbol="USDT",
+        logo="https://static.alchemyapi.io/images/assets/826.png",
+        decimals=6,
+        updated_at=1691739137645
+    )
+
+    return token
+
+
+@pytest.fixture
+def usdt_perp_token_meta():
+    from pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2 import TokenMeta
+
+    token = TokenMeta(
+        name="Tether",
+        address="0xdAC17F958D2ee523a2206206994597C13D831ec7",
+        symbol="USDTPerp",
+        logo="https://static.alchemyapi.io/images/assets/825.png",
+        decimals=6,
+        updated_at=1683929869866
+    )
+
+    return token
+
+
+@pytest.fixture
+def ape_usdt_spot_market_meta(ape_token_meta, usdt_token_meta_second_denom):
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import SpotMarketInfo
+
+    market = SpotMarketInfo(
+        market_id="0x8b67e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e000",
+        market_status="active",
+        ticker="APE/USDT",
+        base_denom="peggy0x44C21afAaF20c270EBbF5914Cfc3b5022173FEB7",
+        base_token_meta=ape_token_meta,
+        quote_denom="factory/peggy0x87aB3B4C8661e07D6372361211B96ed4Dc300000",
+        quote_token_meta=usdt_token_meta_second_denom,
+        maker_fee_rate="-0.0001",
+        taker_fee_rate="0.001",
+        service_provider_fee="0.4",
+        min_price_tick_size="0.000000000000001",
+        min_quantity_tick_size="1000000000000000",
+    )
+
+    return market
+
+@pytest.fixture
+def inj_usdt_spot_market_meta(inj_token_meta, usdt_token_meta):
+    from pyinjective.proto.exchange.injective_spot_exchange_rpc_pb2 import SpotMarketInfo
+
+    market = SpotMarketInfo(
+        market_id="0x7a57e705bb4e09c88aecfc295569481dbf2fe1d5efe364651fbe72385938e9b0",
+        market_status="active",
+        ticker="INJ/USDT",
+        base_denom="peggy0x44C21afAaF20c270EBbF5914Cfc3b5022173FEB7",
+        base_token_meta=inj_token_meta,
+        quote_denom="peggy0x87aB3B4C8661e07D6372361211B96ed4Dc36B1B5",
+        quote_token_meta=usdt_token_meta,
+        maker_fee_rate="-0.0001",
+        taker_fee_rate="0.001",
+        service_provider_fee="0.4",
+        min_price_tick_size="0.000000000000001",
+        min_quantity_tick_size="1000000000000000",
+    )
+
+    return market
+
+@pytest.fixture
+def btc_usdt_perp_market_meta(usdt_perp_token_meta):
+    from pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2 import (
+        DerivativeMarketInfo,
+        PerpetualMarketInfo,
+        PerpetualMarketFunding,
+    )
+
+    perpetual_market_info = PerpetualMarketInfo(
+        hourly_funding_rate_cap="0.0000625",
+        hourly_interest_rate="0.00000416666",
+        next_funding_timestamp=1684764000,
+        funding_interval=3600,
+    )
+    perpetual_market_funding = PerpetualMarketFunding(
+        cumulative_funding="6880500093.266083891331674194",
+        cumulative_price="-0.952642601240470199",
+        last_timestamp=1684763442,
+    )
+
+    market = DerivativeMarketInfo(
+        market_id="0x4ca0f92fc28be0c9761326016b5a1a2177dd6375558365116b5bdda9abc229ce",
+        market_status="active",
+        ticker="BTC/USDT PERP",
+        oracle_base="BTC",
+        oracle_quote="USDT",
+        oracle_type="bandibc",
+        oracle_scale_factor=6,
+        initial_margin_ratio="0.095",
+        maintenance_margin_ratio="0.025",
+        quote_denom="peggy0xdAC17F958D2ee523a2206206994597C13D831ec7",
+        quote_token_meta=usdt_perp_token_meta,
+        maker_fee_rate="-0.0001",
+        taker_fee_rate="0.001",
+        service_provider_fee="0.4",
+        is_perpetual=True,
+        min_price_tick_size="1000000",
+        min_quantity_tick_size="0.0001",
+        perpetual_market_info=perpetual_market_info,
+        perpetual_market_funding=perpetual_market_funding,
+    )
+
+    return market
+
+@pytest.fixture
+def first_match_bet_market_meta(inj_usdt_spot_market_meta):
+    from pyinjective.proto.exchange.injective_derivative_exchange_rpc_pb2 import BinaryOptionsMarketInfo
+
+    market = BinaryOptionsMarketInfo(
+        market_id="0x230dcce315364ff6360097838701b14713e2f4007d704df20ed3d81d09eec957",
+        market_status="active",
+        ticker="5fdbe0b1-1707800399-WAS",
+        oracle_symbol="Frontrunner",
+        oracle_provider="Frontrunner",
+        oracle_type="provider",
+        oracle_scale_factor=6,
+        expiration_timestamp=1707800399,
+        settlement_timestamp=1707843599,
+        quote_denom=inj_usdt_spot_market_meta.quote_denom,
+        maker_fee_rate="0",
+        taker_fee_rate="0",
+        service_provider_fee="0.4",
+        min_price_tick_size="10000",
+        min_quantity_tick_size="1",
+    )
+
+    return market
\ No newline at end of file
diff --git a/tests/test_async_client.py b/tests/test_async_client.py
new file mode 100644
index 00000000..8cbab554
--- /dev/null
+++ b/tests/test_async_client.py
@@ -0,0 +1,130 @@
+import logging
+
+import pytest
+from pyinjective.core.network import Network
+
+from pyinjective.async_client import AsyncClient
+from pyinjective.proto.exchange import (
+    injective_spot_exchange_rpc_pb2,
+    injective_derivative_exchange_rpc_pb2,
+)
+from tests.rpc_fixtures.markets_fixtures import (
+    inj_token_meta,
+    ape_token_meta,
+    usdt_token_meta,
+    usdt_token_meta_second_denom,
+    usdt_perp_token_meta,
+    inj_usdt_spot_market_meta,
+    ape_usdt_spot_market_meta,
+    btc_usdt_perp_market_meta,
+    first_match_bet_market_meta,
+)
+from tests.rpc_fixtures.configurable_servicers import ConfigurableInjectiveDerivativeExchangeRPCServicer, \
+    ConfigurableInjectiveSpotExchangeRPCServicer
+
+
+@pytest.fixture
+def spot_servicer():
+    return ConfigurableInjectiveSpotExchangeRPCServicer()
+
+
+@pytest.fixture
+def derivative_servicer():
+    return ConfigurableInjectiveDerivativeExchangeRPCServicer()
+
+
+class TestAsyncClient:
+
+    @pytest.mark.asyncio
+    async def test_sync_timeout_height_logs_exception(self, caplog):
+        client = AsyncClient(
+            network=Network.local(),
+            insecure=False,
+        )
+
+        with caplog.at_level(logging.DEBUG):
+            await client.sync_timeout_height()
+
+        expected_log_message_prefix = "error while fetching latest block, setting timeout height to 0: "
+        found_log = next(
+            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
+            None,
+        )
+        assert (found_log is not None)
+        assert (found_log[0] == "pyinjective.async_client.AsyncClient")
+        assert (found_log[1] == logging.DEBUG)
+
+    @pytest.mark.asyncio
+    async def test_get_account_logs_exception(self, caplog):
+        client = AsyncClient(
+            network=Network.local(),
+            insecure=False,
+        )
+
+        with caplog.at_level(logging.DEBUG):
+            await client.get_account(address="")
+
+        expected_log_message_prefix = "error while fetching sequence and number "
+        found_log = next(
+            (record for record in caplog.record_tuples if record[2].startswith(expected_log_message_prefix)),
+            None,
+        )
+        assert (found_log is not None)
+        assert (found_log[0] == "pyinjective.async_client.AsyncClient")
+        assert (found_log[1] == logging.DEBUG)
+
+    @pytest.mark.asyncio
+    async def test_initialize_tokens_and_markets(
+            self,
+            spot_servicer,
+            derivative_servicer,
+            inj_usdt_spot_market_meta,
+            ape_usdt_spot_market_meta,
+            btc_usdt_perp_market_meta,
+            first_match_bet_market_meta,
+    ):
+        spot_servicer.markets_queue.append(injective_spot_exchange_rpc_pb2.MarketsResponse(
+            markets=[inj_usdt_spot_market_meta, ape_usdt_spot_market_meta]
+        ))
+        derivative_servicer.markets_queue.append(injective_derivative_exchange_rpc_pb2.MarketsResponse(
+            markets=[btc_usdt_perp_market_meta]
+        ))
+        derivative_servicer.binary_option_markets_queue.append(
+            injective_derivative_exchange_rpc_pb2.BinaryOptionsMarketsResponse(
+                markets=[first_match_bet_market_meta]
+        ))
+
+        client = AsyncClient(
+            network=Network.local(),
+            insecure=False,
+        )
+
+        client.stubSpotExchange = spot_servicer
+        client.stubDerivativeExchange = derivative_servicer
+
+        await client._initialize_tokens_and_markets()
+
+        all_tokens = await client.all_tokens()
+        assert(5 == len(all_tokens))
+        inj_symbol, usdt_symbol = inj_usdt_spot_market_meta.ticker.split("/")
+        ape_symbol, _ = ape_usdt_spot_market_meta.ticker.split("/")
+        alternative_usdt_name = ape_usdt_spot_market_meta.quote_token_meta.name
+        usdt_perp_symbol = btc_usdt_perp_market_meta.quote_token_meta.symbol
+        assert(inj_symbol in all_tokens)
+        assert(usdt_symbol in all_tokens)
+        assert(alternative_usdt_name in all_tokens)
+        assert(ape_symbol in all_tokens)
+        assert(usdt_perp_symbol in all_tokens)
+
+        all_spot_markets = await client.all_spot_markets()
+        assert (2 == len(all_spot_markets))
+        assert (any((inj_usdt_spot_market_meta.market_id == market.id for market in all_spot_markets.values())))
+        assert (any((ape_usdt_spot_market_meta.market_id == market.id for market in all_spot_markets.values())))
+
+        all_derivative_markets = await client.all_derivative_markets()
+        assert (1 == len(all_derivative_markets))
+        assert (any((btc_usdt_perp_market_meta.market_id == market.id for market in all_derivative_markets.values())))
+
+        all_binary_option_markets = await client.all_binary_option_markets()
+        assert (1 == len(all_binary_option_markets))
+        assert (any((first_match_bet_market_meta.market_id == market.id for market in all_binary_option_markets.values())))
diff --git a/tests/test_composer.py b/tests/test_composer.py
new file mode 100644
index 00000000..449854ad
--- /dev/null
+++ b/tests/test_composer.py
@@ -0,0 +1,235 @@
+import pytest
+from decimal import Decimal
+
+from pyinjective.composer import Composer
+from pyinjective.core.network import Network
+from pyinjective.constant import Denom
+from pyinjective.core.market import BinaryOptionMarket, DerivativeMarket, SpotMarket
+from pyinjective.proto.injective.exchange.v1beta1 import exchange_pb2
+from tests.model_fixtures.markets_fixtures import (
+    btc_usdt_perp_market,
+    first_match_bet_market,
+    inj_token,
+    inj_usdt_spot_market,
+    usdt_token,
+    usdt_perp_token
+)
+
+
+class TestComposer:
+
+    @pytest.fixture
+    def inj_usdt_market_id(self):
+        return "0xa508cb32923323679f29a032c70342c147c17d0145625922b0ef22e955c844c0"
+
+    @pytest.fixture
+    def basic_composer(self, inj_usdt_spot_market, btc_usdt_perp_market, first_match_bet_market):
+        composer = Composer(
+            network=Network.devnet().string(),
+            spot_markets={inj_usdt_spot_market.id: inj_usdt_spot_market},
+            derivative_markets={btc_usdt_perp_market.id: btc_usdt_perp_market},
+            binary_option_markets={first_match_bet_market.id: first_match_bet_market},
+            tokens={
+                inj_usdt_spot_market.base_token.symbol: inj_usdt_spot_market.base_token,
+                inj_usdt_spot_market.quote_token.symbol: inj_usdt_spot_market.quote_token,
+                btc_usdt_perp_market.quote_token.symbol: btc_usdt_perp_market.quote_token,
+            }
+        )
+
+        return composer
+
+    def test_composer_initialization_from_ini_files(self):
+        composer = Composer(network=Network.devnet().string())
+
+        inj_token = composer.tokens["INJ"]
+        inj_usdt_spot_market = next((market for market in composer.spot_markets.values() if market.ticker == "'Devnet Spot INJ/USDT'"))
+        inj_usdt_perp_market = next((market for market in composer.derivative_markets.values() if market.ticker == "'Devnet Derivative INJ/USDT PERP'"))
+
+        assert (18 == inj_token.decimals)
+        assert (18 == inj_usdt_spot_market.base_token.decimals)
+        assert (6 == inj_usdt_spot_market.quote_token.decimals)
+        assert (6 == inj_usdt_perp_market.quote_token.decimals)
+
+
+    def test_buy_spot_order_creation(self, basic_composer: Composer, inj_usdt_spot_market: SpotMarket):
+        fee_recipient = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
+        price = 6.869
+        quantity = 1587
+        order = basic_composer.SpotOrder(
+            market_id=inj_usdt_spot_market.id,
+            subaccount_id="1",
+            fee_recipient=fee_recipient,
+            price=price,
+            quantity=quantity,
+            is_buy=True,
+        )
+
+        price_decimals = inj_usdt_spot_market.quote_token.decimals - inj_usdt_spot_market.base_token.decimals
+        chain_format_price = Decimal(str(price)) * Decimal(f"1e{price_decimals}")
+        expected_price = ((chain_format_price // inj_usdt_spot_market.min_price_tick_size)
+                          * inj_usdt_spot_market.min_price_tick_size
+                          * Decimal(f"1e18"))
+        chain_format_quantity = Decimal(str(quantity)) * Decimal(f"1e{inj_usdt_spot_market.base_token.decimals}")
+        expected_quantity = ((chain_format_quantity // inj_usdt_spot_market.min_quantity_tick_size)
+                             * inj_usdt_spot_market.min_quantity_tick_size
+                             * Decimal(f"1e18"))
+
+        assert (order.market_id == inj_usdt_spot_market.id)
+        assert (order.order_info.subaccount_id == "1")
+        assert (order.order_info.fee_recipient == fee_recipient)
+        assert (order.order_info.price == str(int(expected_price)))
+        assert (order.order_info.quantity == str(int(expected_quantity)))
+        assert (order.order_type == exchange_pb2.OrderType.BUY)
+        assert (order.trigger_price == "0")
+
+    def test_buy_derivative_order_creation(self, basic_composer: Composer, btc_usdt_perp_market: DerivativeMarket):
+        fee_recipient = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
+        price = 6.869
+        quantity = 1587
+        leverage = 2
+        order = basic_composer.DerivativeOrder(
+            market_id=btc_usdt_perp_market.id,
+            subaccount_id="1",
+            fee_recipient=fee_recipient,
+            price=price,
+            quantity=quantity,
+            is_buy=True,
+            leverage=leverage,
+        )
+
+        price_decimals = btc_usdt_perp_market.quote_token.decimals
+        chain_format_price = Decimal(str(price)) * Decimal(f"1e{price_decimals}")
+        expected_price = ((chain_format_price // btc_usdt_perp_market.min_price_tick_size)
+                          * btc_usdt_perp_market.min_price_tick_size
+                          * Decimal(f"1e18"))
+        chain_format_quantity = Decimal(str(quantity))
+        expected_quantity = ((chain_format_quantity // btc_usdt_perp_market.min_quantity_tick_size)
+                             * btc_usdt_perp_market.min_quantity_tick_size
+                             * Decimal(f"1e18"))
+        chain_format_margin = (chain_format_quantity * chain_format_price) / Decimal(leverage)
+        expected_margin = ((chain_format_margin // btc_usdt_perp_market.min_quantity_tick_size)
+                            * btc_usdt_perp_market.min_quantity_tick_size
+                            * Decimal(f"1e18"))
+
+        assert (order.market_id == btc_usdt_perp_market.id)
+        assert (order.order_info.subaccount_id == "1")
+        assert (order.order_info.fee_recipient == fee_recipient)
+        assert (order.order_info.price == str(int(expected_price)))
+        assert (order.order_info.quantity == str(int(expected_quantity)))
+        assert (order.order_type == exchange_pb2.OrderType.BUY)
+        assert (order.margin == str(int(expected_margin)))
+        assert (order.trigger_price == "0")
+
+    def test_increase_position_margin(self, basic_composer: Composer, btc_usdt_perp_market: DerivativeMarket):
+        sender = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
+        amount = 1587.789
+        message = basic_composer.MsgIncreasePositionMargin(
+            sender=sender,
+            source_subaccount_id="1",
+            destination_subaccount_id="2",
+            market_id=btc_usdt_perp_market.id,
+            amount=amount,
+        )
+
+        price_decimals = btc_usdt_perp_market.quote_token.decimals
+        chain_format_margin = Decimal(str(amount)) * Decimal(f"1e{price_decimals}")
+        expected_margin = ((chain_format_margin // btc_usdt_perp_market.min_quantity_tick_size)
+                            * btc_usdt_perp_market.min_quantity_tick_size
+                            * Decimal(f"1e18"))
+
+        assert (message.market_id == btc_usdt_perp_market.id)
+        assert (message.sender == sender)
+        assert (message.source_subaccount_id == "1")
+        assert (message.destination_subaccount_id == "2")
+        assert (message.amount == str(int(expected_margin)))
+
+    def test_buy_binary_option_order_creation_with_fixed_denom(
+            self,
+            basic_composer: Composer,
+            first_match_bet_market: BinaryOptionMarket
+    ):
+        fee_recipient = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
+        price = 6.869
+        quantity = 1587
+        fixed_denom = Denom(
+            description="Fixed denom",
+            base=2,
+            quote=6,
+            min_price_tick_size=1000,
+            min_quantity_tick_size=10000,
+        )
+
+        order = basic_composer.BinaryOptionsOrder(
+            market_id=first_match_bet_market.id,
+            subaccount_id="1",
+            fee_recipient=fee_recipient,
+            price=price,
+            quantity=quantity,
+            is_buy=True,
+            denom=fixed_denom,
+        )
+
+        price_decimals = fixed_denom.quote
+        chain_format_price = Decimal(str(price)) * Decimal(f"1e{price_decimals}")
+        expected_price = ((chain_format_price // Decimal(str(fixed_denom.min_price_tick_size)))
+                          * Decimal(str(fixed_denom.min_price_tick_size))
+                          * Decimal(f"1e18"))
+        quantity_decimals = fixed_denom.base
+        chain_format_quantity = Decimal(str(quantity)) * Decimal(f"1e{quantity_decimals}")
+        expected_quantity = ((chain_format_quantity // Decimal(str(fixed_denom.min_quantity_tick_size)))
+                             * Decimal(str(fixed_denom.min_quantity_tick_size))
+                             * Decimal(f"1e18"))
+        chain_format_margin = chain_format_quantity * chain_format_price
+        expected_margin = ((chain_format_margin // Decimal(str(fixed_denom.min_quantity_tick_size)))
+                            * Decimal(str(fixed_denom.min_quantity_tick_size))
+                            * Decimal(f"1e18"))
+
+        assert (order.market_id == first_match_bet_market.id)
+        assert (order.order_info.subaccount_id == "1")
+        assert (order.order_info.fee_recipient == fee_recipient)
+        assert (order.order_info.price == str(int(expected_price)))
+        assert (order.order_info.quantity == str(int(expected_quantity)))
+        assert (order.order_type == exchange_pb2.OrderType.BUY)
+        assert (order.margin == str(int(expected_margin)))
+        assert (order.trigger_price == "0")
+
+    def test_buy_binary_option_order_creation_without_fixed_denom(
+            self,
+            basic_composer: Composer,
+            first_match_bet_market: BinaryOptionMarket,
+    ):
+        fee_recipient = "inj1hkhdaj2a2clmq5jq6mspsggqs32vynpk228q3r"
+        price = 6.869
+        quantity = 1587
+
+        order = basic_composer.BinaryOptionsOrder(
+            market_id=first_match_bet_market.id,
+            subaccount_id="1",
+            fee_recipient=fee_recipient,
+            price=price,
+            quantity=quantity,
+            is_buy=True,
+        )
+
+        price_decimals = first_match_bet_market.quote_token.decimals
+        chain_format_price = Decimal(str(price)) * Decimal(f"1e{price_decimals}")
+        expected_price = ((chain_format_price // first_match_bet_market.min_price_tick_size)
+                          * first_match_bet_market.min_price_tick_size
+                          * Decimal(f"1e18"))
+        chain_format_quantity = Decimal(str(quantity))
+        expected_quantity = ((chain_format_quantity // first_match_bet_market.min_quantity_tick_size)
+                             * first_match_bet_market.min_quantity_tick_size
+                             * Decimal(f"1e18"))
+        chain_format_margin = (chain_format_quantity * chain_format_price)
+        expected_margin = ((chain_format_margin // first_match_bet_market.min_quantity_tick_size)
+                           * first_match_bet_market.min_quantity_tick_size
+                           * Decimal(f"1e18"))
+
+        assert (order.market_id == first_match_bet_market.id)
+        assert (order.order_info.subaccount_id == "1")
+        assert (order.order_info.fee_recipient == fee_recipient)
+        assert (order.order_info.price == str(int(expected_price)))
+        assert (order.order_info.quantity == str(int(expected_quantity)))
+        assert (order.order_type == exchange_pb2.OrderType.BUY)
+        assert (order.margin == str(int(expected_margin)))
+        assert (order.trigger_price == "0")
diff --git a/tests/test_orderhash.py b/tests/test_orderhash.py
index 2aff84a0..c5331e26 100644
--- a/tests/test_orderhash.py
+++ b/tests/test_orderhash.py
@@ -1,6 +1,6 @@
 from pyinjective import PrivateKey
 from pyinjective.composer import Composer
-from pyinjective.constant import Network
+from pyinjective.core.network import Network
 from pyinjective.orderhash import OrderHashManager