v6.21.1 release

1. Add spot cross margin API support
2. Add spot order operations using cross margin account
3. Withdrawal supports cancelling
4. Futures positions supports updating cross margin leverage
5. Add interest in spot margin account response

v5.15.5 Release

1. gateapi-go library now supports go modules
2. Update some field types
3. Add /futures/{settle}/contract_stats support
4. Add /margin/currency_pairs/{currency_pair} support

v4.15.4 Release

1. Fix incorrect module name in go.mod. SDK now can be download directly with go cli: go get -u github.com/gateio/gateapi-go
2. Tag name follows general golang versioning, i.e., prefixed with v, so that go get -u github.com/gateio/gateapi-go@4.15.4 can be used to use specific version.
3. Add PointType in TradeFee model
4. Add API to retrieve withdrawal status.

4.15.3 Release

1. Add a new Error GateAPIError to facilitate error handling
2. Fix issues in API documentations

4.15.2 Release

4.15.2 adds support for all new APIs since 4.14.0, along with some changes:

1. Authentication has been rewritten. It is now recommended to set is using a context. Previous way is still preserved but deprecated. For details about how to use a context, refer to any private endpoints in API documentation.
2. Add go modules support