getTransactionByBlockNumberAndIndex method
Future<EthereumTransaction?>
getTransactionByBlockNumberAndIndex(
- EthereumDefaultBlock? 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<EthereumTransaction?> getTransactionByBlockNumberAndIndex(
EthereumDefaultBlock? blockNumber, int? index) async {
if (blockNumber == null) {
throw ArgumentError.notNull(
'Ethereum::getTransactionByBlockNumberAndIndex - blockNumber');
}
if (index == null) {
throw ArgumentError.notNull(
'Ethereum::getTransactionByBlockNumberAndIndex - index');
}
final blockNumberString = blockNumber.getSelection();
final dynamic params = <dynamic>[
blockNumberString,
EthereumUtilities.intToHex(index)
];
const method = EthereumRpcMethods.getTransactionByBlockNumberAndIndex;
final dynamic res = await _client.rpcClient.request(method, params);
if (res != null && res.containsKey(EthereumConstants.ethResultKey)) {
return EthereumTransaction.fromMap(res[EthereumConstants.ethResultKey]);
}
_client.processError(method, res);
return null;
}