getTransactionCountの使い方

# Basic Request (uses default commitment of the RPC node):
curl -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getTransactionCount"
  }' \
  <YOUR_RPC_URL>

# Request with a specific commitment level:
curl -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getTransactionCount",
    "params": [
      {
        "commitment": "confirmed"
      }
    ]
  }' \
  <YOUR_RPC_URL>

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

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

  try {
    const transactionCount = await connection.getTransactionCount();
    console.log(`Current ledger transaction count: ${transactionCount}`);

    // Example with commitment
    const confirmedTransactionCount = await connection.getTransactionCount('confirmed');
    console.log(`Current ledger transaction count (confirmed): ${confirmedTransactionCount}`);

  } catch (error) {
    console.error('Error fetching transaction count:', error);
  }
}

getCurrentTransactionCount();