public async Task <IEnumerable <TransactionReceipt> > ExecuteAsync(
BigInteger blockNumber)
{
var block = await _iconService.GetBlock(blockNumber);
var transactions = block?.GetTransactions();
var transactionReceipts = new List <TransactionReceipt>();
if (transactions != null)
{
foreach (var blockTransaction in transactions)
{
var txHash = blockTransaction.GetTxHash().ToHexString(true);
var bytes = new Bytes(txHash);
var txResult = await _iconService.GetTransactionResult(bytes);
if (txResult == null)
{
throw new InvalidOperationException(
$"Block[{blockNumber}] contains confirmed transaction " +
$"which results can not be retrieved as transaction results: txHash[{txHash}]");
}
var error = await _tryGetTransactionErrorStrategy.ExecuteAsync(txResult.GetStatus(), txHash);
if (error != null)
{
continue;
}
if (blockTransaction.GetTo() != null &&
blockTransaction.GetTo().GetPrefix() == AddressPrefix.FromString(AddressPrefix.Contract))
{
transactionReceipts.AddRange
(
GetInternalTransactionReceipts
(
blockTransaction.GetTxHash().ToHexString(true),
txResult,
block.GetTimestamp()
)
);
}
var transactionTransferValue = blockTransaction.GetValue();
if (transactionTransferValue != null &&
transactionTransferValue != BigInteger.Zero)
{
transactionReceipts.Add(new TransactionReceipt
(
amount: transactionTransferValue.Value,
blockNumber: blockNumber,
from: blockTransaction.GetFrom().ToString(),
hash: blockTransaction.GetTxHash().ToHexString(true),
index: 0,
timestamp: block.GetTimestamp(),
to: blockTransaction.GetTo().ToString()
));
}
}
}
return(transactionReceipts);
}
