public override Task <TransactionResponse> SendCoin(SendRequest request, ServerCallContext context)
{
// Create new transaction
var newTrx = new Transaction(
request.TransactionInput.SenderAddress,
request.TransactionOutput.RecipientAddress,
request.TransactionOutput.Amount,
request.TransactionOutput.Fee)
{
Hash = request.TransactionId, TimeStamp = request.TransactionInput.TimeStamp
};
// verify transaction ID
var trxHash = TransactionHelpers.GetTransactionHash(newTrx);
if (!trxHash.Equals(request.TransactionId))
{
return(Task.FromResult(new TransactionResponse
{
Result = "Transaction ID not valid",
}));
}
// Verify signature
var isValid = TransactionHelpers.VerifySignature(request.PublicKey, request.TransactionId, request.TransactionInput.Signature);
if (!isValid)
{
return(Task.FromResult(new TransactionResponse()
{
Result = "Signature not valid",
}));
}
this.blockChain.AddTransaction(newTrx);
return(Task.FromResult(new TransactionResponse()
{
Result = "Success",
}));
}