chia-agent
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chia rpc/websocket client library
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# chia-agent
[](https://badge.fury.io/js/chia-agent) [](https://opensource.org/licenses/MIT)
chia rpc/websocket client library for NodeJS.
Supports all RPC/Websocket API available at `2.5.5` of [`chia-blockchain`](https://github.com/Chia-Network/chia-blockchain/).
\(If you need previous version, search for the corresponding release [here](https://github.com/Chia-Mine/chia-agent/releases)\)
you can develop your own nodejs script with `chia-agent` to:
- retrieve latest data from RPC servers like `farmer`, `harvester`, `full_node`, `wallet`, `pool`, `data_layer`, `crawler`.
- send email when proof is found.
- trigger scripts when target event is observed.
- start/stop services.
- write program to schedule plotting with javascript.
- etc, etc, etc
## Install
```
npm install chia-agent
# or
yarn add chia-agent
```
## Compatibility
This code is compatible with:
- [`c7aafcfb46ef1413b05cdd6486308e99ee4767df`](https://github.com/Chia-Network/chia-blockchain/tree/c7aafcfb46ef1413b05cdd6486308e99ee4767df) of [chia-blockchain 2.5.5](https://github.com/Chia-Network/chia-blockchain)
- [Diff to the main branch of chia-blockchain](https://github.com/Chia-Network/chia-blockchain/compare/c7aafcfb46ef1413b05cdd6486308e99ee4767df...main)
- [`061bd6e192ceb90e3bb81ceff1fc69d674626eb7`](https://github.com/Chia-Network/chia_rs/tree/061bd6e192ceb90e3bb81ceff1fc69d674626eb7) of [chia_rs 0.27.0](https://github.com/Chia-Network/chia_rs)
- [Diff to the main branch of chia_rs](https://github.com/Chia-Network/chia_rs/compare/061bd6e192ceb90e3bb81ceff1fc69d674626eb7...main)
- [`ef49150171cc243b09c0e5d5cb27f2249ffa3793`](https://github.com/Chia-Network/pool-reference/tree/ef49150171cc243b09c0e5d5cb27f2249ffa3793) of [pool-reference](https://github.com/Chia-Network/pool-reference)
- [Diff to the main branch of pool-reference](https://github.com/Chia-Network/pool-reference/compare/ef49150171cc243b09c0e5d5cb27f2249ffa3793...main)
## API
There are 2 kinds of APIs in chia.
`RPC API` and `Websocket API`.
### RPC API
RPC API is used to send message directly to chia services like `farmer`, `harvester`, `full_node`, `wallet`, `data_layer`, `crawler`.
RPC API is just an async function in a traditional request/response style.
```js
const {RPCAgent, setLogLevel} = require("chia-agent");
const {get_plots} = require("chia-agent/api/rpc");
setLogLevel("debug");
const agent = new RPCAgent({
service: "harvester",
});
const res = await get_plots(agent);
console.log(res.plots[0]);
/*
// sample output
{
file_size: 108875876912,
filename: 'M:\\plot-k32-yyyy-mm-dd-xx-xx-xxxxxxxxxxxxxxxxxxxxxxxxx.plot',
plot_id: '...',
plot_public_key: '0x934a93489...',
pool_contract_puzzle_hash: null,
pool_public_key: '0xb0aa9485c0d...',
size: 32,
time_modified: 1619540745
}
*/
// Or you can request RPC API via daemon websocket like this
const {getDaemon, setLogLevel} = require("chia-agent");
const {get_plots} = require("chia-agent/api/rpc");
const daemon = getDaemon();
await daemon.connect(); // connect to local daemon using config file.
const res = await get_plots(daemon);
```
### Websocket API
Websocket API is used to connect to chia `daemon`.
With websocket API, you can request chia daemon to start/stop plotting or other services,
or capture various broadcast messages like:
- Plotting progress
- Farming info such as passed filter, proofs found, etc.
```js
const {getDaemon, setLogLevel} = require("chia-agent");
const {on_new_farming_info} = require("chia-agent/api/ws");
setLogLevel("debug");
const daemon = getDaemon();
await daemon.connect(); // connect to local daemon using config file.
const unsubscribe = await on_new_farming_info(daemon, (e) => {
console.log(e.data);
})
setTimeout(async () => {
unsubscribe(); // Stop capturing message
daemon.close();
}, 30*1000); // Disconnect after 30s passed.
/*
// sample output
{
farming_info: {
challenge_hash: '0x07228cf04e8877797adc1e0605018007def282548f009564b00286886e23e88b',
passed_filter: 0,
proofs: 0,
signage_point: '0xfe1272a8e6659c0a3875cac37f8b170f1f85d47fecfee36d825dfae0b2a73a31',
timestamp: 1621255822,
total_plots: 299
},
success: true
}
*/
```
## Logging
The logger system supports multiple log levels and formatters:
```js
const {setLogLevel, getLogger, setDefaultFormatter, simpleLogFormatter} = require("chia-agent");
// Set log level (case-insensitive)
setLogLevel("DEBUG"); // "error", "warning", "info", "debug", "trace", "none"
// Use built-in formatters
setDefaultFormatter(simpleLogFormatter); // Simple format without timestamp
// Custom formatter
const myFormatter = (context) => {
return `[${context.level}] ${context.message}`;
};
setDefaultFormatter(myFormatter);
// Named loggers
const logger = getLogger("MyModule");
logger.info("Module initialized");
// Per-logger configuration
logger.setLogLevel("debug");
logger.setFormatter(myFormatter);
```
## API Reference
[See Documentation here](https://github.com/Chia-Mine/chia-agent/blob/main/src/api/README.md)
## Examples
[See documentation here](https://github.com/Chia-Mine/chia-agent/blob/main/example)
Here are some of those examples
- [Send email when proof is found](https://github.com/Chia-Mine/chia-agent/blob/main/example/send_email_when_proof_is_found)
- [RPC API code sample to show block record in certain height](https://github.com/Chia-Mine/chia-agent/blob/main/example/get_block_by_height)
- [Create multiple plots with javascript](https://github.com/Chia-Mine/chia-agent/blob/main/example/create_plots)
## Build from source
Once source files is build by `npm run build:prod`, files will be output to `/dist` directory.
Then the files/directories are published to npm registry.
Please note it does not upload files in project root to npm registry, but files inside '/dist'.
[Read details here](https://github.com/Chia-Mine/chia-agent/blob/main/BUILD.md)
## Donation
For continuous development, please support me with donation
`xch1wr8g2k7cn55xvepmg480dsu2xhf4rz5ezghwwapulj7jxqcz9ztqqclwdj`