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https://github.com/devashishdxt/abci-rs
Rust crate for creating ABCI applications
https://github.com/devashishdxt/abci-rs
Last synced: 7 days ago
JSON representation
Rust crate for creating ABCI applications
- Host: GitHub
- URL: https://github.com/devashishdxt/abci-rs
- Owner: devashishdxt
- License: apache-2.0
- Created: 2019-09-27T09:55:22.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2023-03-07T21:58:19.000Z (over 1 year ago)
- Last Synced: 2024-03-25T13:21:24.360Z (8 months ago)
- Language: Rust
- Homepage: https://devashishdxt.github.io/abci-rs/abci
- Size: 6.19 MB
- Stars: 27
- Watchers: 4
- Forks: 6
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE-APACHE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
- awesome-cosmos - ABCI-RS - Rust crate for creating ABCI applications. (Frameworks / Terminal Block Explorers)
README
# abci-rs
[](https://github.com/devashishdxt/abci-rs/actions?query=workflow%3A%22Continuous+Integration%22)
[](https://crates.io/crates/abci-rs)
[](https://docs.rs/abci-rs)
[](https://github.com/devashishdxt/abci-rs/blob/master/LICENSE-MIT)
A Rust crate for creating ABCI applications.
## ABCI Overview
ABCI is the interface between Tendermint (a state-machine replication engine) and your application (the actual state
machine). It consists of a set of methods, where each method has a corresponding `Request` and `Response` message
type. Tendermint calls the ABCI methods on the ABCI application by sending the `Request` messages and receiving the
`Response` messages in return.
ABCI methods are split across 4 separate ABCI connections:
- `Consensus` Connection: `InitChain`, `BeginBlock`, `DeliverTx`, `EndBlock`, `Commit`
- `Mempool` Connection: `CheckTx`
- `Info` Connection: `Info`, `SetOption`, `Query`
- `Snapshot` Connection: `ListSnapshots`, `LoadSnapshotChunk`, `OfferSnapshot`, `ApplySnapshotChunk`
Additionally, there is a `Flush` method that is called on every connection, and an `Echo` method that is just for
debugging.
To know more about ABCI protocol specifications, go to official ABCI [documentation](https://tendermint.com/docs/spec/abci/).
## Usage
Add `abci-rs` in your `Cargo.toml`'s `dependencies` section:
```toml
[dependencies]
abci-rs = "0.11"
```
Each ABCI application has to implement four core traits corresponding to all four ABCI connections, `Consensus`,
`Mempool`, `Info` and `Snapshot`.
> Note: Implementations of these traits are expected to be `Send + Sync` and methods take immutable reference of
`self`. So, internal mutability must be handled using thread safe (`Arc`, `Mutex`, etc.) constructs.
### Synchronous and asynchronous APIs
`abci-rs` supports both, synchronous and asynchronous APIs (using `sync-api` and `async-api` cargo features). At
least one of these features should be enabled. By default, both, `sync-api` and `async-api`, features are enabled.
### Async runtimes
`abci-rs` also supports multiple async runtimes. These different runtimes can be enabled by using cargo features
`use-async-std`, `use-smol` or `use-tokio`. Only one runtime can be enabled at a time. Compilation will fail if more
than one runtime is enabled or none of them are enabled. By default, `use-tokio` feature is enabled.
### Examples
Example ABCI applications can be found in `examples/sync-counter.rs` (using `sync_api`) and `examples/async-counter.rs`
(using `async_api`).
## Documentation
- [`master`](https://devashishdxt.github.io/abci-rs/abci/)
- [`release`](https://docs.rs/abci-rs/)
## License
Licensed under either of
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE))
- MIT license ([LICENSE-MIT](LICENSE-MIT))
at your option.
## Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as
defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.