Function eventLogRangeQuery

src/nit.ts:530–553

(assetCid: string, blockchainInfo)

 * Query events on Ethereum. The performance is faster than eventLogIteratingQuery.
 */
async function eventLogRangeQuery(assetCid: string, blockchainInfo) {
  console.log(`Commit logs of assetCid: ${assetCid}`);

  const commitBlockNumbers = await getCommitBlockNumbers(assetCid, blockchainInfo);
  const commitAmount = commitBlockNumbers.length;
  console.log(`Commit block numbers (${commitBlockNumbers.length}):`);
  if (commitAmount > 0) {
    console.log(`${JSON.stringify(commitBlockNumbers)}`);
  } else {
    return;
  }

  // Get events
  const filter = await blockchainInfo.contract.filters.Commit(null, assetCid);
  filter.fromBlock = commitBlockNumbers[0];
  filter.toBlock = commitBlockNumbers[commitAmount - 1];
  let events = await blockchainInfo.contract.queryFilter(filter, filter.fromBlock, filter.toBlock);
  const commitDataIndex = 2;
  for (const event of events) {
    console.log(`\nBlock ${event.blockNumber}`);
    console.log(`${blockchainInfo.explorerBaseUrl}/${event.transactionHash}`)
    console.log(`Commit: ${JSON.stringify(JSON.parse(event.args![commitDataIndex]), null, 2)}`);
  }
}

/* TODO: Remove this function in the next feature release.
 */