getSlotLeaders 사용 방법

# Replace <api-key> with your Helius API key
# Replace STARTING_SLOT with a recent or future slot number
curl https://mainnet.helius-rpc.com/?api-key=<api-key> -X POST -H "Content-Type: application/json" -d \
  '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getSlotLeaders",
    "params": [
      180000000, 
      5          
    ]
  }'

// Replace <api-key> with your Helius API key
const { Connection } = require('@solana/web3.js');

async function getUpcomingSlotLeaders() {
  const connection = new Connection('https://mainnet.helius-rpc.com/?api-key=<api-key>');
  const startSlot = 180000000; // Replace with a recent or future slot number
  const limit = 5;

  try {
    const leaders = await connection.getSlotLeaders(startSlot, limit);
    console.log(`Slot leaders starting from slot ${startSlot} (limit ${limit}):`);
    leaders.forEach((leader, index) => {
      console.log(`  Slot ${startSlot + index}: ${leader}`);
    });
  } catch (error) {
    console.error('Error fetching slot leaders:', error);
  }
}

getUpcomingSlotLeaders();