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+# go-da
+
+go-da defines a generic Data Availability interface for modular blockchains.
+
+<!-- markdownlint-disable MD013 -->
+[![build-and-test](https://github.com/rollkit/go-da/actions/workflows/ci_release.yml/badge.svg)](https://github.com/rollkit/go-da/actions/workflows/ci_release.yml)
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+<!-- markdownlint-enable MD013 -->
+
+## DA Interface
+
+| Method      | Params                        | Return       |
+| ----------- |-------------------------------| -------------|
+| `MaxBlobSize` |                               | `uint64`       |
+| `Get`         | `ids []ID`                      | `[]Blobs`      |
+| `GetIDs`      | `height uint64`                 | `[]ID`         |
+| `Commit`      | `blobs []Blob`                  | `[]Commitment` |
+| `Validate`    | `ids []Blob, proofs []Proof`    | `[]bool`       |
+
+## Implementations
+
+The following implementations are available:
+
+* [celestia-da](https://github.com/rollkit/celestia-da) implements Celestia as DA.
+* [avail-da](https://github.com/rollkit/avail-da) implements Polygon Avail as DA.
+
+In addition the following helper implementations are available:
+
+* [DummyDA](https://github.com/rollkit/go-da/blob/main/test/dummy.go) implements
+a Mock DA useful for testing.
+* [Proxy](https://github.com/rollkit/go-da/tree/main/proxy) implements a proxy
+server that forwards requests to a gRPC server. The proxy client
+can be used directly to interact with the DA service.
+
+## Helpful commands
+
+```sh
+# Generate protobuf files. Requires docker.
+make proto-gen
+
+# Lint protobuf files. Requires docker.
+make proto-lint
+
+# Run tests.
+make test
+
+# Run linters (requires golangci-lint, markdownlint, hadolint, and yamllint)
+make lint
+```
+
+## Contributing
+
+We welcome your contributions! Everyone is welcome to contribute, whether it's
+in the form of code, documentation, bug reports, feature
+requests, or anything else.
+
+If you're looking for issues to work on, try looking at the
+[good first issue list](https://github.com/rollkit/go-da/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22).
+Issues with this tag are suitable for a new external contributor and is a great
+way to find something you can help with!
+
+Please join our
+[Community Discord](https://discord.com/invite/YsnTPcSfWQ)
+to ask questions, discuss your ideas, and connect with other contributors.
+
+## Code of Conduct
+
+See our Code of Conduct [here](https://docs.celestia.org/community/coc).