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https://github.com/paritytech/jsonrpc
Rust JSON-RPC implementation
https://github.com/paritytech/jsonrpc
Last synced: 4 days ago
JSON representation
Rust JSON-RPC implementation
- Host: GitHub
- URL: https://github.com/paritytech/jsonrpc
- Owner: paritytech
- License: mit
- Created: 2016-11-21T15:32:15.000Z (about 8 years ago)
- Default Branch: master
- Last Pushed: 2024-08-21T13:38:57.000Z (4 months ago)
- Last Synced: 2024-12-01T10:00:08.536Z (11 days ago)
- Language: Rust
- Homepage:
- Size: 3.18 MB
- Stars: 791
- Watchers: 50
- Forks: 273
- Open Issues: 87
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Codeowners: CODEOWNERS
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- my-awesome - paritytech/jsonrpc - 08 star:0.8k fork:0.3k Rust JSON-RPC implementation (Rust)
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README
# Parity JSON-RPC
**NOTE: This crate is no longer actively developed; please have a look at our
[jsonrpsee](https://github.com/paritytech/jsonrpsee) crate if you're looking for an actively
maintained JSON RPC implementation.**
Rust implementation of JSON-RPC 2.0 Specification.
Transport-agnostic `core` and transport servers for `http`, `ipc`, `websockets` and `tcp`.
**New!** Support for [clients](#Client-support).
[Documentation](https://docs.rs/jsonrpc-core/)
## Sub-projects
- [jsonrpc-core](./core) [![crates.io][core-image]][core-url]
- [jsonrpc-core-client](./core-client) [![crates.io][core-client-image]][core-client-url]
- [jsonrpc-http-server](./http) [![crates.io][http-server-image]][http-server-url]
- [jsonrpc-ipc-server](./ipc) [![crates.io][ipc-server-image]][ipc-server-url]
- [jsonrpc-tcp-server](./tcp) [![crates.io][tcp-server-image]][tcp-server-url]
- [jsonrpc-ws-server](./ws) [![crates.io][ws-server-image]][ws-server-url]
- [jsonrpc-stdio-server](./stdio) [![crates.io][stdio-server-image]][stdio-server-url]
- [jsonrpc-derive](./derive) [![crates.io][derive-image]][derive-url]
- [jsonrpc-server-utils](./server-utils) [![crates.io][server-utils-image]][server-utils-url]
- [jsonrpc-pubsub](./pubsub) [![crates.io][pubsub-image]][pubsub-url]
[core-image]: https://img.shields.io/crates/v/jsonrpc-core.svg
[core-url]: https://crates.io/crates/jsonrpc-core
[core-client-image]: https://img.shields.io/crates/v/jsonrpc-core-client.svg
[core-client-url]: https://crates.io/crates/jsonrpc-core-client
[http-server-image]: https://img.shields.io/crates/v/jsonrpc-http-server.svg
[http-server-url]: https://crates.io/crates/jsonrpc-http-server
[ipc-server-image]: https://img.shields.io/crates/v/jsonrpc-ipc-server.svg
[ipc-server-url]: https://crates.io/crates/jsonrpc-ipc-server
[tcp-server-image]: https://img.shields.io/crates/v/jsonrpc-tcp-server.svg
[tcp-server-url]: https://crates.io/crates/jsonrpc-tcp-server
[ws-server-image]: https://img.shields.io/crates/v/jsonrpc-ws-server.svg
[ws-server-url]: https://crates.io/crates/jsonrpc-ws-server
[stdio-server-image]: https://img.shields.io/crates/v/jsonrpc-stdio-server.svg
[stdio-server-url]: https://crates.io/crates/jsonrpc-stdio-server
[derive-image]: https://img.shields.io/crates/v/jsonrpc-derive.svg
[derive-url]: https://crates.io/crates/jsonrpc-derive
[server-utils-image]: https://img.shields.io/crates/v/jsonrpc-server-utils.svg
[server-utils-url]: https://crates.io/crates/jsonrpc-server-utils
[pubsub-image]: https://img.shields.io/crates/v/jsonrpc-pubsub.svg
[pubsub-url]: https://crates.io/crates/jsonrpc-pubsub
## Examples
- [core](./core/examples)
- [derive](./derive/examples)
- [pubsub](./pubsub/examples)
### Basic Usage (with HTTP transport)
```rust
use jsonrpc_http_server::jsonrpc_core::{IoHandler, Value, Params};
use jsonrpc_http_server::ServerBuilder;
fn main() {
let mut io = IoHandler::default();
io.add_method("say_hello", |_params: Params| async {
Ok(Value::String("hello".to_owned()))
});
let server = ServerBuilder::new(io)
.threads(3)
.start_http(&"127.0.0.1:3030".parse().unwrap())
.unwrap();
server.wait();
}
```
### Basic usage with derive
```rust
use jsonrpc_core::Result;
use jsonrpc_derive::rpc;
#[rpc]
pub trait Rpc {
/// Adds two numbers and returns a result
#[rpc(name = "add")]
fn add(&self, a: u64, b: u64) -> Result;
}
pub struct RpcImpl;
impl Rpc for RpcImpl {
fn add(&self, a: u64, b: u64) -> Result {
Ok(a + b)
}
}
fn main() {
let mut io = jsonrpc_core::IoHandler::new();
io.extend_with(RpcImpl.to_delegate())
}
```
### Client support
```rust
use jsonrpc_core_client::transports::local;
use jsonrpc_core::{BoxFuture, IoHandler, Result};
use jsonrpc_core::futures::{self, future, TryFutureExt};
use jsonrpc_derive::rpc;
/// Rpc trait
#[rpc]
pub trait Rpc {
/// Returns a protocol version
#[rpc(name = "protocolVersion")]
fn protocol_version(&self) -> Result;
/// Adds two numbers and returns a result
#[rpc(name = "add", alias("callAsyncMetaAlias"))]
fn add(&self, a: u64, b: u64) -> Result;
/// Performs asynchronous operation
#[rpc(name = "callAsync")]
fn call(&self, a: u64) -> BoxFuture>;
}
struct RpcImpl;
impl Rpc for RpcImpl {
fn protocol_version(&self) -> Result {
Ok("version1".into())
}
fn add(&self, a: u64, b: u64) -> Result {
Ok(a + b)
}
fn call(&self, _: u64) -> BoxFuture> {
Box::pin(future::ready(Ok("OK".to_owned())))
}
}
fn main() {
let mut io = IoHandler::new();
io.extend_with(RpcImpl.to_delegate());
let (client, server) = local::connect::(io);
let fut = client.add(5, 6).map_ok(|res| println!("5 + 6 = {}", res));
futures::executor::block_on(async move { futures::join!(fut, server) })
.0
.unwrap();
}
```