ibc-proto-rs

Rust

Rust Protobuf definitions and gRPC clients for interacting with Cosmos SDK, IBC and Interchain Security

Last updated May 29, 2026

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Topics

#blockchain #cosmos #ibc #protobuf #rust

Language breakdown

Rust 99.8%

Shell 0.2%

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README

ibc-proto-rs

[![Crate][crate-image]][crate-link] [![Docs][docs-image]][docs-link] [![Build Status][build-image]][build-link] [![Apache 2.0 Licensed][license-image]][license-link] ![Rust Stable][rustc-image] ![Rust 1.56.1+][rustc-version]

Rust Protobuf definitions and gRPC clients for interacting with Cosmos SDK, IBC and Interchain Security.

This repository maintains all the data structures relevant for interacting with on-chain IBC data.

Whether you're building an IBC relayer, IBC modules, or any client software that consumes IBC data structures in Rust, you're at the right place.

If you are a user of this repository

Please check the official [documentation][docs-link].

If you are a maintainer of this repository

You will likely want to look at scripts/sync-protobuf.sh.

Requirements

Rust 1.56.1+
Buf CLI

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use the files in this repository except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

[//]: # (badges)

[crate-image]: https://img.shields.io/crates/v/ibc-proto.svg [crate-link]: https://crates.io/crates/ibc-proto [docs-image]: https://docs.rs/ibc-proto/badge.svg [docs-link]: https://docs.rs/ibc-proto/

[build-image]: https://github.com/cosmos/ibc-rs/workflows/Rust/badge.svg [build-link]: https://github.com/cosmos/ibc-rs/actions?query=workflow%3ARust

[license-image]: https://img.shields.io/badge/license-Apache2.0-blue.svg [license-link]: https://github.com/cosmos/ibc-proto-rs/blob/main/LICENSE [rustc-image]: https://img.shields.io/badge/rustc-stable-blue.svg [rustc-version]: https://img.shields.io/badge/rustc-1.56.1+-blue.svg

[//]: # (general links)

[Cosmos SDK]: https://github.com/cosmos/cosmos-sdk

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