getVoteAccountsの使用方法

# Get all current and delinquent vote accounts:
curl -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getVoteAccounts"
  }' \
  <YOUR_RPC_URL>

# Get a specific vote account:
curl -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getVoteAccounts",
    "params": [
      {
        "votePubkey": "<SPECIFIC_VOTE_ACCOUNT_PUBKEY>"
      }
    ]
  }' \
  <YOUR_RPC_URL>

# Get vote accounts with "confirmed" commitment and keep unstaked delinquents:
curl -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getVoteAccounts",
    "params": [
      {
        "commitment": "confirmed",
        "keepUnstakedDelinquents": true
      }
    ]
  }' \
  <YOUR_RPC_URL>

const { Connection } = require('@solana/web3.js');

async function fetchVoteAccounts() {
  // Replace with your RPC endpoint
  const connection = new Connection('https://mainnet.helius-rpc.com/?api-key=<api-key>');

  try {
    // Get all vote accounts
    const voteAccounts = await connection.getVoteAccounts();
    console.log(`Found ${voteAccounts.current.length} current validators.`);
    console.log(`Found ${voteAccounts.delinquent.length} delinquent validators.`);

    if (voteAccounts.current.length > 0) {
      console.log("\nFirst current validator details:");
      console.log(`  Vote Pubkey: ${voteAccounts.current[0].votePubkey}`);
      console.log(`  Node Pubkey: ${voteAccounts.current[0].nodePubkey}`);
      console.log(`  Activated Stake: ${voteAccounts.current[0].activatedStake} lamports`);
      console.log(`  Commission: ${voteAccounts.current[0].commission}%`);
      console.log(`  Last Vote: ${voteAccounts.current[0].lastVote}`);
      // console.log(JSON.stringify(voteAccounts.current[0], null, 2)); // For full details
    }

    // Get a specific vote account (replace with an actual vote account public key)
    // const specificVotePubkey = 'SPECIFIC_VOTE_ACCOUNT_PUBKEY';
    // const specificValidator = await connection.getVoteAccounts('confirmed', specificVotePubkey);
    // console.log(`\nDetails for ${specificVotePubkey}:`, JSON.stringify(specificValidator, null, 2));

  } catch (error) {
    console.error('Error fetching vote accounts:', error);
  }
}

fetchVoteAccounts();