suix_getCommitteeInfo - Sui

Example code for the suix_getCommitteeInfo JSON-RPC method. Complete guide on how to use suix_getCommitteeInfo JSON-RPC in GetBlock Web3 documentation.

This method returns the committee information for a specified epoch on the SUI network. The committee consists of validators who participate in consensus for that epoch, along with their voting power (stake weight). This is useful for understanding network decentralization and validator distribution.

Parameters

Parameter

Type

Required

Description

epoch

BigInt_for_uint64

Epoch number (defaults to current epoch)

Request Example

cURL

curl -X POST https://go.getblock.io/<ACCESS-TOKEN>/ \
-H "Content-Type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "method": "suix_getCommitteeInfo",
  "params": ["5000"]
}'

request.js

const axios = require('axios');

const payload = {
  jsonrpc: '2.0',
  id: 'getblock.io',
  method: 'suix_getCommitteeInfo',
  params: ['5000']
};

axios.post('https://go.getblock.io/<ACCESS-TOKEN>/', payload)
.then(response => console.log(response.data));

request.py

import requests

payload = {
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "method": "suix_getCommitteeInfo",
    "params": ["5000"]
}

response = requests.post("https://go.getblock.io/<ACCESS-TOKEN>/", json=payload)
print(response.json())

request.rs

use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    let payload = json!({
        "jsonrpc": "2.0",
        "id": "getblock.io",
        "method": "suix_getCommitteeInfo",
        "params": ["5000"]
    });
    let response = client.post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .json(&payload).send().await?;
    println!("{}", response.text().await?);
    Ok(())
}

Response Example

response.json

{
  "jsonrpc": "2.0",
  "result": {
    "epoch": "5000",
    "validators": [
      ["jc/20VUECmVvSBmxMRG1LFdGqGunLzlfuSOYGNLSNKY=", "2500000000000000"],
      ["DgDsdbrNH0oq6JHFXVBXHZFQ1XtSNc6bx8v2T8PvhAM=", "1800000000000000"]
    ]
  },
  "id": "getblock.io"
}

Response Parameters

Parameter

Type

Description

epoch

string

Epoch number

validators

array

Array of [publicKey, stakeWeight] tuples

Use Cases

Analyze validator stake distribution
Monitor network decentralization
Track validator participation history
Build governance dashboards

Error Handling

Error Code

Description

-32602

Invalid params - invalid epoch

-32603

Internal error - node issues

SDK Integration

sdk.ts

import { SuiClient } from '@mysten/sui/client';

const client = new SuiClient({ url: 'https://go.getblock.io/<ACCESS-TOKEN>/' });
const committee = await client.getCommitteeInfo({ epoch: '5000' });
console.log(committee);

sdk.rs

use sui_sdk::SuiClientBuilder;

#[tokio::main]
async fn main() -> Result<(), anyhow::Error> {
    let sui = SuiClientBuilder::default().build("https://go.getblock.io/<ACCESS-TOKEN>/").await?;
    let committee = sui.governance_api().get_committee_info(Some(5000)).await?;
    println!("{:?}", committee);
    Ok(())
}

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