public async Task <IActionResult> BroadcastTransaction([FromBody] BroadcastTransactionRequest request)
{
if (request == null)
{
return(BadRequest(ErrorResponse.Create("Unable to deserialize request")));
}
var aggregate = await _operationRepository.GetOrDefault(request.OperationId);
if (aggregate == null)
{
return(BadRequest(ErrorResponse.Create($"Operation {request.OperationId} not found")));
}
Transaction tx;
try
{
tx = TransactionSerializer.Deserialize(request.SignedTransaction).transaction;
}
catch (InvalidTransactionException)
{
return(BadRequest(ErrorResponse.Create($"{nameof(request.SignedTransaction)} is invalid")));
}
if (aggregate.IsBroadcasted)
{
return(Conflict());
}
try
{
await _transactionBroadcaster.BroadcastTransaction(tx, aggregate);
}
catch (TransactionAlreadyBroadcastedException)
{
return(Conflict());
}
aggregate.OnBroadcasted(DateTime.UtcNow);
await _operationRepository.Save(aggregate);
return(Ok());
}
public IActionResult Sign([FromBody] SignTransactionRequest request)
{
if (!ModelState.IsValid)
{
return(BadRequest(ErrorResponseFactory.Create(ModelState)));
}
try
{
var txWrapper = TransactionSerializer.Deserialize(request.TransactionContext);
var tx = txWrapper.transaction;
var keyPair = new KeyPair(Wallet.GetPrivateKeyFromWif(request.PrivateKeys.Single()));
var signature = Transaction.Sign(keyPair, tx, false);
var invocationScript = NeoModules.Core.Helper.HexToBytes(("40" + signature.ToHexString()));
var verificationScript = Helper.CreateSignatureRedeemScript(keyPair.PublicKey);
tx.Witnesses = new[]
{
new Witness
{
InvocationScript = invocationScript,
VerificationScript = verificationScript
}
};
return(Ok(new SignedTransactionResponse
{
SignedTransaction = TransactionSerializer.Serialize(tx, txWrapper.type)
}));
}
catch (Exception e)
{
return(BadRequest(ErrorResponse.Create(e.ToAsyncString())));
}
}