get-tx-detail.js

const { connect, keyStores } = require("near-api-js");
const path = require("path");
const homedir = require("os").homedir();

const CREDENTIALS_DIR = ".near-credentials";
// block hash of query start (oldest block)
const START_BLOCK_HASH = "GZ8vKdcgsavkEndkDWHCjuhyqSR2TGnp9VDZbTzd6ufG";
// block hash of query end (newest block)
const END_BLOCK_HASH = "8aEcKhF7N1Jyw84e6vHW6Hzp3Ep7mSXJ6Rvnsy5qGJPF";
// contract ID or account ID you want to find transactions details for
const CONTRACT_ID = "relayer.ropsten.testnet";

const credentialsPath = path.join(homedir, CREDENTIALS_DIR);
const keyStore = new keyStores.UnencryptedFileSystemKeyStore(credentialsPath);

// NOTE: we're using the archival rpc to look back in time for a specific set
// of transactions. For a full list of what nodes are available, visit:
// https://docs.near.org/docs/develop/node/intro/types-of-node
const config = {
  keyStore,
  networkId: "testnet",
  nodeUrl: "https://archival-rpc.testnet.near.org",
};

getTransactions(START_BLOCK_HASH, END_BLOCK_HASH, CONTRACT_ID);

async function getTransactions(startBlock, endBlock, accountId) {
  const near = await connect(config);

  // creates an array of block hashes for given range
  const blockArr = [];
  let blockHash = endBlock;
  do {
    const currentBlock = await getBlockByID(blockHash);
    blockArr.push(currentBlock.header.hash);
    blockHash = currentBlock.header.prev_hash;
    console.log("working...", blockHash);
  } while (blockHash !== startBlock);

  // returns block details based on hashes in array
  const blockDetails = await Promise.all(
    blockArr.map((blockId) =>
      near.connection.provider.block({
        blockId,
      })
    )
  );

  // returns an array of chunk hashes from block details
  const chunkHashArr = blockDetails.flatMap((block) =>
    block.chunks.map(({ chunk_hash }) => chunk_hash)
  );

  //returns chunk details based from the array of hashes
  const chunkDetails = await Promise.all(
    chunkHashArr.map(chunk => near.connection.provider.chunk(chunk))
  );

  // checks chunk details for transactions
  // if there are transactions in the chunk we
  // find ones associated with passed accountId
  const transactions = chunkDetails.flatMap((chunk) =>
    (chunk.transactions || []).filter((tx) => tx.signer_id === accountId)
  );

  //creates transaction links from matchingTxs
  const txsLinks = transactions.map((txs) => ({
    method: txs.actions[0].FunctionCall.method_name,
    link: `https://explorer.testnet.near.org/transactions/${txs.hash}`,
  }));
  console.log("MATCHING TRANSACTIONS: ", transactions);
  console.log("TRANSACTION LINKS: ", txsLinks);
}

async function getBlockByID(blockID) {
  const near = await connect(config);
  const blockInfoByHeight = await near.connection.provider.block({
    blockId: blockID,
  });
  return blockInfoByHeight;
}