Tổng quan và hướng dẫn về getTransfersByAddress

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: "1",
    method: "getTransfersByAddress",
    params: ["86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY"]
  })
});

const data = await response.json();
console.log(data.result.data);

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "data": [
      {
        "signature": "5GEX7Q3X5Q8yJGbKYoR7mtzQmG8tpoEwzjPgqVmn3y5xg3yKwqXcDdN5YVcc9V6vA4TuH5iM6FHRVhTxvz4AX2zG",
        "slot": 315073428,
        "blockTime": 1736159420,
        "type": "transfer",
        "fromUserAccount": "7hPhaUpydpvm8wtiS3k4LPZKUmivQRs7YQmpE1hFshHx",
        "toUserAccount": "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY",
        "fromTokenAccount": "HcvK3EJ74iM9g11cUgsaPvLSrhCvCwcrWxBNd87LsC1x",
        "toTokenAccount": "CBcYniR9G9CN3zGMnwNE4SWbqkYWvCFVreEob9xHnQCY",
        "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "amount": "2500000",
        "decimals": 6,
        "uiAmount": "2.5",
        "confirmationStatus": "finalized",
        "transactionIdx": 35,
        "instructionIdx": 1,
        "innerInstructionIdx": 0
      }
    ],
    "paginationToken": "315073428:35:1:0:splTransfer"
  }
}

{
  "gt": 1000000,
  "gte": 1000000,
  "lt": 1000000000,
  "lte": 1000000000
}

{
  "signature": "WcvF2eFxArpqRJySzDuiP6Xw8BMprWytMpYCxk2ExBt5C1WyxWzDWcCWXW8iKQVYR9AtdQxPE1uu1SMEZvbbhdr",
  "slot": 409259683,
  "blockTime": 1774635210,
  "type": "transfer",
  "fromUserAccount": "5aZZ4duJUKiMsJN9vRsoAn4SDX7agvKu7Q3QdFWRfWze",
  "toUserAccount": "FESSvM1cVUchc13XQY8e41oeYxMnyqQNYVZwoznfJsTo",
  "fromTokenAccount": "3VUYGjYktCzNhDVymNb3Z1iHewtfPFRvdA53qSWuxdXy",
  "toTokenAccount": "51cEFBA1virMuPqHXvNGs8FKKTMqeEVKzugv1hqPU2Zc",
  "mint": "CKfatsPMUf8SkiURsDXs7eK6GWb4Jsd6UDbs7twMCWxo",
  "amount": "48650000",
  "decimals": 5,
  "uiAmount": "486.5",
  "feeAmount": "13450000",
  "feeUiAmount": "134.5",
  "confirmationStatus": "finalized",
  "transactionIdx": 1315,
  "instructionIdx": 4,
  "innerInstructionIdx": 0
}

{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getTransfersByAddress",
  "params": [
    "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY",
    {
      "mint": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getTransfersByAddress",
  "params": [
    "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY",
    {
      "with": "7hPhaUpydpvm8wtiS3k4LPZKUmivQRs7YQmpE1hFshHx",
      "direction": "in"
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getTransfersByAddress",
  "params": [
    "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY",
    {
      "mint": "So11111111111111111111111111111111111111112",
      "filters": {
        "amount": {
          "gte": 1000000000,
          "lt": 10000000000
        },
        "blockTime": {
          "gte": 1735718400,
          "lt": 1738396800
        }
      }
    }
  ]
}

{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getTransfersByAddress",
  "params": [
    "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY",
    {
      "limit": 50,
      "paginationToken": "315069220:308:2:1:splTransfer"
    }
  ]
}

const API_KEY = "YOUR_API_KEY";
const RPC_URL = `https://mainnet.helius-rpc.com/?api-key=${API_KEY}`;
const OWNER_ADDRESS = "86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY";

async function rpc(method, params) {
  const response = await fetch(RPC_URL, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({
      jsonrpc: "2.0",
      id: "1",
      method,
      params
    })
  });

  const body = await response.json();
  if (body.error) {
    throw new Error(body.error.message);
  }
  return body.result;
}

async function getAllTransfers(address) {
  const transfers = [];
  let paginationToken;

  do {
    const result = await rpc("getTransfersByAddress", [
      address,
      {
        limit: 100,
        ...(paginationToken ? { paginationToken } : {})
      }
    ]);

    transfers.push(...result.data);
    paginationToken = result.paginationToken;
  } while (paginationToken);

  return transfers;
}

async function getTransactionsInBatches(signatures, batchSize = 100) {
  const transactions = [];

  for (let i = 0; i < signatures.length; i += batchSize) {
    const batch = signatures.slice(i, i + batchSize).map((signature, index) => ({
      jsonrpc: "2.0",
      id: `${i + index}`,
      method: "getTransaction",
      params: [
        signature,
        {
          encoding: "jsonParsed",
          maxSupportedTransactionVersion: 1
        }
      ]
    }));

    const response = await fetch(RPC_URL, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(batch)
    });

    const results = await response.json();
    for (const item of results) {
      if (item.error) {
        throw new Error(item.error.message);
      }
      transactions.push(item.result);
    }
  }

  return transactions;
}

const transfers = await getAllTransfers(OWNER_ADDRESS);
const signatures = [...new Set(transfers.map((transfer) => transfer.signature))];
const transactions = await getTransactionsInBatches(signatures);

console.log(`Fetched ${transfers.length} transfer rows`);
console.log(`Fetched ${transactions.length} unique transactions`);