Tổng quan và hướng dẫn về getTransactionsForAddress

// Time range with successful transactions only
"filters": {
  "blockTime": {
    "gte": 1640995200,
    "lte": 1641081600
  },
  "status": "succeeded"
}

// Slot range
"filters": {
  "slot": {
    "gte": 1000,
    "lte": 2000
  }
}

// Only failed transactions
"filters": {
  "status": "failed"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTransactionsForAddress",
  "params": [
    "<address>",
    {
      "filters": {
        "tokenTransfer": {}
      }
    }
  ]
}

// Get all successful transactions for January 2025
const startTime = Math.floor(new Date('2025-01-01').getTime() / 1000);
const endTime = Math.floor(new Date('2025-02-01').getTime() / 1000);

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTransactionsForAddress",
  "params": [
    "WALLET_OR_PROGRAM_ADDRESS",
    {
      "transactionDetails": "signatures",
      "filters": {
        "blockTime": {
          "gte": startTime,
          "lt": endTime
        },
        "status": "succeeded"
      },
      "limit": 1000
    }
  ]
}

// Calculate daily transaction volume
const dailyStats = {};
response.result.data.forEach(tx => {
  const date = new Date(tx.blockTime * 1000).toISOString().split('T')[0];
  dailyStats[date] = (dailyStats[date] || 0) + 1;
});

console.log('Daily Transaction Counts:', dailyStats);

{
  "jsonrpc": "2.0",
  "id": "find-first-mints",
  "method": "getTransactionsForAddress",
  "params": [
    MINT_ADDRESS, // Token mint address
    {
      "encoding": "jsonParsed",
      "maxSupportedTransactionVersion": 1,
      "sortOrder": "asc",  // Chronological order from the beginning
      "limit": 10,
      "transactionDetails": "full"
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTransactionsForAddress", 
  "params": [
    "POOL_ADDRESS_HERE", // Raydium/Meteora pool address
    {
      "transactionDetails": "full",
      "sortOrder": "asc",  // First transaction is usually pool creation
      "limit": 1
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTransactionsForAddress",
  "params": [
    "TARGET_WALLET_ADDRESS",
    {
      "transactionDetails": "full",
      "sortOrder": "asc",  // Oldest first
      "limit": 10
    }
  ]
}

response.result.data.forEach(tx => {
  // Look for SOL transfers in preBalances/postBalances
  const balanceChanges = tx.meta.preBalances.map((pre, index) => 
    tx.meta.postBalances[index] - pre
  );
  
  // Positive balance change = incoming SOL
  balanceChanges.forEach((change, index) => {
    if (change > 0) {
      console.log(`Received ${change} lamports from ${tx.transaction.message.accountKeys[index]}`);
    }
  });
});

{
  "filters": {
    "tokenTransfer": {
      "direction": "in",
      "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
    }
  }
}

{
  "filters": {
    "tokenTransfer": {
      "with": "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM",
      "direction": "out",
      "amount": { "gte": 1000000000 }
    }
  }
}

{
  "filters": {
    "status": "succeeded",
    "slot": { "gte": 100000000, "lte": 200000000 },
    "tokenTransfer": {
      "direction": "in",
      "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": { "gte": 5000000 }
    }
  }
}

// First request
let paginationToken = null;
let allTransactions = [];

const getNextPage = async (paginationToken = null) => {
  const params = [
    'ADDRESS',
    {
      transactionDetails: 'signatures',
      limit: 100,
      ...(paginationToken && { paginationToken })
    }
  ];

  const response = await fetch(rpcUrl, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({
      jsonrpc: '2.0',
      id: 1,
      method: 'getTransactionsForAddress',
      params
    })
  });

  const data = await response.json();
  return data.result;
};

// Paginate through all results
do {
  const result = await getNextPage(paginationToken);
  allTransactions.push(...result.data);
  paginationToken = result.paginationToken;
  
  console.log(`Fetched ${result.data.length} transactions, total: ${allTransactions.length}`);
} while (paginationToken);

const addresses = ['Address1...', 'Address2...', 'Address3...'];

// Query all addresses in parallel with slot filter
const results = await Promise.all(
  addresses.map(address => 
    fetch(rpcUrl, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        jsonrpc: '2.0',
        id: 1,
        method: 'getTransactionsForAddress',
        params: [address, {
          sortOrder: 'desc',
          filters: { slot: { gt: 250000000 } }
        }]
      })
    }).then(r => r.json())
  )
);

// Merge and sort by slot
const allTransactions = results
  .flatMap(r => r.result.data)
  .sort((a, b) => b.slot - a.slot);

// Step 1: Get signatures
const signatures = await connection.getSignaturesForAddress(address, { limit: 1000 });

// Step 2: Get transaction details (1,000 additional calls!)
const transactions = await Promise.all(
  signatures.map(sig => connection.getTransaction(sig.signature))
);

const response = await fetch(heliusRpcUrl, {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'getTransactionsForAddress',
    params: [
      address,
      {
        transactionDetails: 'full',
        limit: 1000
      }
    ]
  })
});

// OLD WAY (with getSignaturesForAddress)
// Step 1: Get all token accounts owned by this wallet
const tokenAccounts = await connection.getTokenAccountsByOwner(
  new PublicKey(walletAddress),
  { programId: TOKEN_PROGRAM_ID }
);

// Step 2: Fetch signatures for the wallet itself
const walletSignatures = await connection.getSignaturesForAddress(
  new PublicKey(walletAddress),
  { limit: 1000 }
);

// Step 3: Fetch signatures for EVERY token account (this is the painful part)
const tokenAccountSignatures = await Promise.all(
  tokenAccounts.value.map(async (account) => {
    return connection.getSignaturesForAddress(
      account.pubkey,
      { limit: 1000 }
    );
  })
);

// Step 4: Merge all results together
const allSignatures = [
  ...walletSignatures,
  ...tokenAccountSignatures.flat()
];

// Step 5: Deduplicate (many transactions touch multiple accounts)
const seen = new Set();
const uniqueSignatures = allSignatures.filter((sig) => {
  if (seen.has(sig.signature)) {
    return false;
  }
  seen.add(sig.signature);
  return true;
});

// Step 6: Sort chronologically
const sortedSignatures = uniqueSignatures.sort(
  (a, b) => a.slot - b.slot
);

return sortedSignatures;

// NEW WAY (with getTransactionsForAddress)
const response = await fetch("https://mainnet.helius-rpc.com/?api-key=YOUR_API_KEY", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    jsonrpc: "2.0",
    id: "helius-example",
    method: "getTransactionsForAddress",
    params: [
      walletAddress,
      {
        filters: {
          tokenAccounts: "all"
        },
        sortOrder: "asc",
        limit: 100
      }
    ]
  })
});

const { result } = await response.json();
return result;