getTransactionByBlockNumberAndIndex method

Future<MoacTransaction> getTransactionByBlockNumberAndIndex (MoacDefaultBlock blockNumber, int index)

Get transaction by block number and index. Returns information about a transaction by block number and transaction index position. A block number as in the default block parameter. Returns see getTransactionByHash.

Implementation

Future<MoacTransaction> getTransactionByBlockNumberAndIndex(
    MoacDefaultBlock blockNumber, int index) async {
  if (blockNumber == null) {
    throw ArgumentError.notNull(
        "Moac::getTransactionByBlockNumberAndIndex - blockNumber");
  }
  if (index == null) {
    throw ArgumentError.notNull(
        "Moac::getTransactionByBlockNumberAndIndex - index");
  }
  final String blockNumberString = blockNumber.getSelection();
  final dynamic params = [blockNumberString, MoacUtilities.intToHex(index)];
  final String method = MoacRpcMethods.getTransactionByBlockNumberAndIndex;
  final res = await rpcClient.request(method, params);
  if (res != null && res.containsKey(moacResultKey)) {
    return MoacTransaction.fromMap(res[moacResultKey]);
  }
  _processError(method, res);
  return null;
}