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Rust implementation of the Inter-Blockchain Communication (IBC) protocol.

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Docs Build Status Code Coverage Apache 2.0 Licensed Rust Stable Rust 1.64+ Lines of Code

Rust implementation of the Inter-Blockchain Communication (IBC) protocol that hosts all the data structures and on-chain logic implementations of various IBC core, clients and applications. This repository organized as a collection of sub-crates that can be used independently or together.

Project Structure

Crate
Description
ibc Re-exports all the data structures and on-chain logic of various IBC core, clients and applications.
ibc-data-types Re-exports all the IBC data types that are shared across different IBC implementations.
ibc-core Contains data structures and implementations of all the IBC core specifications.
ibc-clients Contains data structures and implementations of various IBC light clients.
ibc-apps Contains data structures and implementations of various IBC applications.
ibc-testkit Provides testing toolkit to aid ibc-rs and host chains in writing integration tests.
ibc-query Contains utility traits and implementations for querying states of an integrated IBC module.
ibc-derive Derive macros for ClientState and ConsensusState traits, reducing boilerplate.

Contributing

IBC is specified in English in the cosmos/ibc repo. Any protocol changes or clarifications should be contributed there.

If you're interested in contributing, please take a look at the CONTRIBUTING guidelines. We welcome and appreciate community contributions!

Community calls

We run monthly community calls to update the community with current our direction and gather feedback on what to work on next. The community calls are also a platform for you to update everyone else with what you're working on, and find opportunities to collaborate.

Please join the Google group to receive a calendar invitation for the monthly meeting.

Versioning

We follow Semantic Versioning, though APIs are still under active development.

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License

Copyright © 2022 Informal Systems Inc. and ibc-rs authors.

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.

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