public async Task <Transaction> GetOrBuildTransferTransaction(Guid operationId,
BitcoinAddress fromAddress,
BitcoinAddress toAddress,
string assetId,
Money amountToSend,
bool includeFee)
{
if (await _operationMetaRepository.Exist(operationId))
{
var alreadyBuildedTransaction = await _transactionBlobStorage.GetTransaction(operationId, TransactionBlobType.Initial);
return(Transaction.Parse(alreadyBuildedTransaction));
}
var buildedTransaction = await _transactionBuilder.GetTransferTransaction(fromAddress, toAddress, amountToSend, includeFee);
await _transactionBlobStorage.AddOrReplaceTransaction(operationId, TransactionBlobType.Initial,
buildedTransaction.TransactionData.ToHex());
var operation = OperationMeta.Create(operationId, fromAddress.ToString(), toAddress.ToString(), assetId,
buildedTransaction.Amount.Satoshi, buildedTransaction.Fee.Satoshi, includeFee);
await _operationMetaRepository.Insert(operation);
return(buildedTransaction.TransactionData);
}
public async Task <string> GetOrBuildTransferTransaction(Guid operationId,
BitcoinAddress fromAddress,
PubKey fromAddressPubkey,
BitcoinAddress toAddress,
string assetId,
Money amountToSend,
bool includeFee)
{
if (await _operationMetaRepository.Exist(operationId))
{
return(await _transactionBlobStorage.GetTransaction(operationId, TransactionBlobType.Initial));
}
var buildedTransaction = await _transactionBuilder.GetTransferTransaction(fromAddress, fromAddressPubkey, toAddress, amountToSend, includeFee);
var transactionContext =
Serializer.ToString((tx: buildedTransaction.TransactionData, spentCoins: buildedTransaction.SpentCoins));
await _transactionBlobStorage.AddOrReplaceTransaction(operationId,
TransactionBlobType.Initial,
transactionContext);
var operation = OperationMeta.Create(operationId, fromAddress.ToString(), toAddress.ToString(), assetId,
buildedTransaction.Amount.Satoshi, buildedTransaction.Fee.Satoshi, includeFee);
await _operationMetaRepository.Insert(operation);
return(transactionContext);
}
public async Task <BuiltTransactionInfo> GetOrBuildTransferTransaction(Guid operationId,
BitcoinAddress fromAddress,
PubKey fromAddressPubkey,
BitcoinAddress toAddress,
string assetId,
Money amountToSend,
bool includeFee)
{
var existingOperation = await _operationMetaRepository.Get(operationId);
if (existingOperation != null)
{
var existingAmount = existingOperation.IncludeFee
? existingOperation.AmountSatoshi + existingOperation.FeeSatoshi
: existingOperation.AmountSatoshi;
if (existingOperation.FromAddress != fromAddress.ToString() ||
existingOperation.ToAddress != toAddress.ToString() ||
existingOperation.AssetId != assetId ||
existingOperation.IncludeFee != includeFee ||
existingAmount != amountToSend.Satoshi)
{
throw new BusinessException("Conflict in operation parameters", ErrorCode.Conflict);
}
return(await GetExistingTransaction(existingOperation.OperationId, existingOperation.Hash));
}
var builtTransaction = await _transactionBuilder.GetTransferTransaction(fromAddress, fromAddressPubkey, toAddress, amountToSend, includeFee);
var builtTransactionInfo = new BuiltTransactionInfo
{
TransactionHex = builtTransaction.TransactionData.ToHex(),
UsedCoins = builtTransaction.UsedCoins
};
var txHash = builtTransaction.TransactionData.GetHash().ToString();
await _transactionBlobStorage.AddOrReplaceTransaction(operationId, txHash, TransactionBlobType.Initial, builtTransactionInfo.ToJson(_network));
var operation = OperationMeta.Create(operationId, txHash, fromAddress.ToString(), toAddress.ToString(), assetId,
builtTransaction.Amount.Satoshi, builtTransaction.Fee.Satoshi, includeFee);
if (await _operationMetaRepository.TryInsert(operation))
{
return(builtTransactionInfo);
}
existingOperation = await _operationMetaRepository.Get(operationId);
return(await GetExistingTransaction(operationId, existingOperation.Hash));
}
