public UnsignedTransaction SendTransactionToExchage(dynamic transactionDto, string toAddress, string privateKey, string network, string token)
{
try
{
var btcnetwork = GetNetwork(network);
Endpoint endpoint = Endpoint.BtcTest3;
if (network.ToUpper() == "MAIN")
{
endpoint = Endpoint.BtcMain;
}
Blockcypher blockCypherLib = new Blockcypher(token, endpoint);
BitcoinSecret secret = new BitcoinSecret(privateKey, btcnetwork);
NBitcoin.Transaction tx = NBitcoin.Transaction.Create(btcnetwork);
TxIn input = new TxIn
{
PrevOut = new OutPoint(new uint256(transactionDto.TransactionID), transactionDto.Vout),
ScriptSig = secret.GetAddress(ScriptPubKeyType.Legacy).ScriptPubKey
};
tx.Inputs.Add(input);
TxOut output = new TxOut();
Money fee = Money.Coins(transactionDto.DefaultFees.GetValueOrDefault());
Money totalAmount = Money.Coins(transactionDto.Amount);
output.Value = totalAmount - fee;
BitcoinAddress toaddress = BitcoinAddress.Create(toAddress, btcnetwork);
output.ScriptPubKey = toaddress.ScriptPubKey;
tx.Outputs.Add(output);
var coins = tx.Inputs.Select(txin => new Coin(txin.PrevOut, new TxOut {
ScriptPubKey = txin.ScriptSig
}));
tx.Sign(secret, coins.ToArray());
var response = blockCypherLib.PushTransaction(tx.ToHex()).Result;
return(response);
}
catch (Exception ex)
{
throw new Exception();
}
}
public void send_btc(BitcoinSecret sender, BitcoinAddress receiver, decimal amount, decimal fee)
{
var network = sender.Network;
var address = sender.GetAddress();
Console.WriteLine(sender); // cN5YQMWV8y19ntovbsZSaeBxXaVPaK4n7vapp4V56CKx5LhrK2RS
Console.WriteLine(address); // mkZzCmjAarnB31n5Ke6EZPbH64Cxexp3Jp
var client = new QBitNinjaClient(network);
var transactionId = get_transaction_id(sender.PubKeyHash.GetAddress(BtcNetwork).ToString(), amount); // uint256.Parse("18ea7047ac70bbc16f53587e4fc28f7f9a6bb9117c0a810e1e65e424852b40ca");
var transactionResponse = client.GetTransaction(transactionId).Result;
Console.WriteLine(transactionResponse.TransactionId); // 0acb6e97b228b838049ffbd528571c5e3edd003f0ca8ef61940166dc3081b78a
Console.WriteLine(transactionResponse.Block.Confirmations); // 91
var receivedCoins = transactionResponse.ReceivedCoins;
OutPoint outPointToSpend = null;
foreach (var coin in receivedCoins)
{
if (coin.TxOut.ScriptPubKey == sender.ScriptPubKey)
{
outPointToSpend = coin.Outpoint;
}
}
if (outPointToSpend == null)
{
throw new Exception("TxOut doesn't contain our ScriptPubKey");
}
Console.WriteLine("We want to spend {0}. outpoint:", outPointToSpend.N + 1);
var transaction = new NBitcoin.Transaction();
transaction.Inputs.Add(new TxIn()
{
PrevOut = outPointToSpend
});
// How much you want to spend
var hallOfTheMakersAmount = new Money(amount, MoneyUnit.BTC);
// How much miner fee you want to pay
/* Depending on the market price and
* the currently advised mining fee,
* you may consider to increase or decrease it.
*/
var minerFee = new Money(fee, MoneyUnit.BTC);
// How much you want to get back as change
var txInAmount = (Money)receivedCoins[(int)outPointToSpend.N].Amount;
var changeAmount = txInAmount - hallOfTheMakersAmount - minerFee;
TxOut hallOfTheMakersTxOut = new TxOut()
{
Value = hallOfTheMakersAmount,
ScriptPubKey = receiver.ScriptPubKey
};
TxOut changeTxOut = new TxOut()
{
Value = changeAmount,
ScriptPubKey = sender.ScriptPubKey
};
transaction.Outputs.Add(hallOfTheMakersTxOut);
transaction.Outputs.Add(changeTxOut);
var message = "Long live NBitcoin and its makers!";
var bytes = Encoding.UTF8.GetBytes(message);
transaction.Outputs.Add(new TxOut()
{
Value = Money.Zero,
ScriptPubKey = TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes)
});
transaction.Inputs[0].ScriptSig = sender.ScriptPubKey;
transaction.Sign(sender, false);
BroadcastResponse broadcastResponse = client.Broadcast(transaction).Result;
if (!broadcastResponse.Success)
{
Console.Error.WriteLine("ErrorCode: " + broadcastResponse.Error.ErrorCode);
Console.Error.WriteLine("Error message: " + broadcastResponse.Error.Reason);
}
else
{
Console.WriteLine("Success! You can check out the hash of the transaciton in any block explorer:");
Console.WriteLine(transaction.GetHash());
}
}
public dynamic SendToTestNet(dynamic transactionDto, string toAddress, string privateKey, string network, string token)
{
try
{
var btcnetwork = GetNetwork(network);
BitcoinSecret secret = new BitcoinSecret(privateKey, btcnetwork);
NBitcoin.Transaction tx = NBitcoin.Transaction.Create(btcnetwork);
TxIn input = new TxIn
{
PrevOut = new OutPoint(new uint256(transactionDto.TransactionID), transactionDto.Vout),
ScriptSig = secret.GetAddress(ScriptPubKeyType.Legacy).ScriptPubKey
};
tx.Inputs.Add(input);
TxOut output = new TxOut();
Money fee = Money.Coins(transactionDto.DefaultFees);
Money totalAmount = Money.Coins(transactionDto.Amount);
output.Value = totalAmount - fee;
BitcoinAddress toaddress = BitcoinAddress.Create(toAddress, btcnetwork);
output.ScriptPubKey = toaddress.ScriptPubKey;
tx.Outputs.Add(output);
var coins = tx.Inputs.Select(txin => new Coin(txin.PrevOut, new TxOut {
ScriptPubKey = txin.ScriptSig
}));
tx.Sign(secret, coins.ToArray());
/* Push Data to So Chain*/
string api = "https://chain.so/api/v2/send_tx/LTCTEST";
var httpWebRequest = (HttpWebRequest)WebRequest.Create(api);
httpWebRequest.ContentType = "application/json; charset=utf-8";
httpWebRequest.Method = HttpMethod.Post.Method;
dynamic reqObj = new ExpandoObject();
reqObj.tx_hex = tx.ToHex();
string payload = JsonConvert.SerializeObject(reqObj);
using (var streamWriter = new StreamWriter(httpWebRequest.GetRequestStream()))
{
streamWriter.Write(payload);
var ss = streamWriter.ToString();
streamWriter.Flush();
}
string responseData = string.Empty;
var httpResponse = (HttpWebResponse)httpWebRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
responseData = streamReader.ReadToEnd();
}
dynamic response = new ExpandoObject();
if (!string.IsNullOrWhiteSpace(responseData))
{
response = JsonConvert.DeserializeObject(responseData);
}
return(response);
}
catch (Exception ex)
{
throw new Exception();
}
}
public static void Pay(BitcoinSecret secret, BitcoinAddress toAddress, Money amount, Transaction fundingTransaction)
{
var fee = Money.Coins(0.0001m);
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 1)
});
payment.Outputs.Add(new TxOut()
{
Value = amount,
ScriptPubKey = toAddress.ScriptPubKey
});
var output = fundingTransaction.Outputs[0];
var change = output.Value - amount - fee;
if (change < 0)
{
Console.WriteLine("There is not enough BTC in the funding transaction ({0}) to make this payment ({1})", output.Value, amount);
Console.WriteLine("No payment being sent");
return;
}
payment.Outputs.Add(new TxOut()
{
Value = output.Value - amount - fee,
ScriptPubKey = output.ScriptPubKey
});
//Feedback !
var message = "Thanks ! :)";
var bytes = Encoding.UTF8.GetBytes(message);
payment.Outputs.Add(new TxOut()
{
Value = Money.Zero,
ScriptPubKey = TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes)
});
Console.WriteLine(payment);
payment.Inputs[0].ScriptSig = fundingTransaction.Outputs[1].ScriptPubKey;
payment.Sign(secret, false);
using (var node = Node.Connect(Network.Main))
{
Console.WriteLine("Doing version handshake");
node.VersionHandshake();
Console.WriteLine("Sending message");
node.SendMessage(new InvPayload(InventoryType.MSG_TX, payment.GetHash()));
node.SendMessage(new TxPayload(payment));
Thread.Sleep(500);
}
}