public void create(TransactionTemporaryViewModel transactionVM)
{
var secret = new ExtKey().GetWif(_network);
var source = BitcoinAddress.Create(transactionVM.SourceAddress);
var client = new QBitNinjaClient(_network);
Transaction tx = new Transaction();
var input = new TxIn();
var transactionId = uint256.Parse(transactionVM.PrevTransactionId);
input.PrevOut = new OutPoint(new uint256(transactionVM.Hex), 1); //Transaction ID
input.ScriptSig = source.ScriptPubKey;
tx.AddInput(input);
TxOut output = new TxOut();
var desctination = BitcoinAddress.Create(transactionVM.DestinationAddress);
Money fee = Money.Satoshis(40000);
output.Value = Money.Coins(0.1m) - fee;
output.ScriptPubKey = desctination.ScriptPubKey;
tx.AddOutput(output);
tx.Sign(secret, false);
BroadcastResponse broadcastResponse = client.Broadcast(tx).Result;
}
public IActionResult Contact(TransactionTemporaryViewModel transactionVM)
{
ViewData["Message"] = "Your contact page.";
var network = Network.TestNet;
// generate private key
var privateKey = new Key();
var bitcoinPrivateKey = privateKey.GetWif(network);
var address = bitcoinPrivateKey.GetAddress();
// get transaction info
var client = new QBitNinjaClient(network);
var transactionId = uint256.Parse(transactionVM.Hex);
var transactionResponse = client.GetTransaction(transactionId).Result;
// from where
var receivedCoins = transactionResponse.ReceivedCoins;
OutPoint outPointToSpend = null;
foreach (var coin in receivedCoins)
{
if (coin.TxOut.ScriptPubKey == bitcoinPrivateKey.ScriptPubKey)
{
outPointToSpend = coin.Outpoint;
}
}
// create transaction
var transaction = new Transaction();
transaction.Inputs.Add(new TxIn()
{
PrevOut = outPointToSpend
});
// to where
var destinationAddress = BitcoinAddress.Create("mzp4No5cmCXjZUpf112B1XWsvWBfws5bbB");
// how match
TxOut spentTxOut = new TxOut()
{
Value = new Money((decimal)transactionVM.Quantity, MoneyUnit.BTC),
ScriptPubKey = destinationAddress.ScriptPubKey
};
TxOut changeBackTxOut = new TxOut()
{
Value = new Money((decimal)(transactionVM.Balance - transactionVM.Quantity - transactionVM.Fee), MoneyUnit.BTC),
ScriptPubKey = bitcoinPrivateKey.ScriptPubKey
};
transaction.Outputs.Add(spentTxOut);
transaction.Outputs.Add(changeBackTxOut);
// sign transaction
transaction.Sign(bitcoinPrivateKey, false);
BroadcastResponse broadcastResponse = client.Broadcast(transaction).Result;
return(View());
}
