public void LoadImage(string pathImage)
{
string pathFile = Path.Combine(
pathImage, "ImageWallet");
int index = 0;
byte[] buffer = File.ReadAllBytes(pathFile);
while (index < buffer.Length)
{
var tXOutput = new TXOutputWallet();
tXOutput.TXID = new byte[HASH_BYTE_SIZE];
Array.Copy(buffer, index, tXOutput.TXID, 0, HASH_BYTE_SIZE);
index += HASH_BYTE_SIZE;
tXOutput.TXIDShort = BitConverter.ToInt32(tXOutput.TXID, 0);
tXOutput.OutputIndex = BitConverter.ToInt32(buffer, index);
index += 4;
tXOutput.Value = BitConverter.ToUInt64(buffer, index);
index += 8;
tXOutput.ScriptPubKey = new byte[LENGTH_P2PKH];
Array.Copy(buffer, index, tXOutput.ScriptPubKey, 0, LENGTH_P2PKH);
index += LENGTH_P2PKH;
TXOutputsSpendable.Add(tXOutput);
}
}
public bool TrySpend(TXInput tXInput)
{
TXOutputWallet output =
TXOutputsSpendable.Find(o =>
o.TXIDShort == tXInput.TXIDOutputShort &&
o.OutputIndex == tXInput.OutputIndex);
if (output == null ||
!output.TXID.IsEqual(tXInput.TXIDOutput))
{
return(false);
}
TXOutputsSpendable.Remove(output);
Console.WriteLine(
"Spent output {0} in tx {1} with {2} satoshis.",
output.OutputIndex,
output.TXID.ToHexString(),
output.Value);
return(true);
}
public TX CreateAnchorToken(
byte[] dataOPReturn)
{
ulong fee = 28000;
TXOutputWallet outputSpendable =
TXOutputsSpendable.Find(t => t.Value > fee);
if (outputSpendable == null)
{
throw new BitcoinException("No spendable output found.");
}
List <byte> tXRaw = new List <byte>();
byte[] version = { 0x01, 0x00, 0x00, 0x00 };
tXRaw.AddRange(version);
byte countInputs = 1;
tXRaw.Add(countInputs);
tXRaw.AddRange(outputSpendable.TXID);
tXRaw.AddRange(BitConverter.GetBytes(
outputSpendable.OutputIndex));
int indexScriptSig = tXRaw.Count;
tXRaw.Add(LENGTH_P2PKH);
tXRaw.AddRange(outputSpendable.ScriptPubKey);
byte[] sequence = { 0xFF, 0xFF, 0xFF, 0xFF };
tXRaw.AddRange(sequence);
byte countOutputs = 2; //(byte)(valueChange == 0 ? 1 : 2);
tXRaw.Add(countOutputs);
ulong valueChange = outputSpendable.Value - fee;
tXRaw.AddRange(BitConverter.GetBytes(
valueChange));
tXRaw.Add(LENGTH_P2PKH);
tXRaw.AddRange(PREFIX_P2PKH);
tXRaw.AddRange(PublicKeyHash160);
tXRaw.AddRange(POSTFIX_P2PKH);
tXRaw.AddRange(BitConverter.GetBytes(
(ulong)0));
tXRaw.Add((byte)(dataOPReturn.Length + 2));
tXRaw.Add(OP_RETURN);
tXRaw.Add((byte)dataOPReturn.Length);
tXRaw.AddRange(dataOPReturn);
var lockTime = new byte[4];
tXRaw.AddRange(lockTime);
byte[] sigHashType = { 0x01, 0x00, 0x00, 0x00 };
tXRaw.AddRange(sigHashType);
byte[] signature = Crypto.GetSignature(
PrivKeyDec,
tXRaw.ToArray());
var scriptSig = new List <byte>();
scriptSig.Add((byte)(signature.Length + 1));
scriptSig.AddRange(signature);
scriptSig.Add(0x01);
byte[] publicKey = Crypto.GetPubKeyFromPrivKey(PrivKeyDec);
scriptSig.Add((byte)publicKey.Length);
scriptSig.AddRange(publicKey);
var tXRawPreScriptSig = tXRaw.Take(indexScriptSig);
var tXRawPostScriptSig = tXRaw.Skip(indexScriptSig + LENGTH_P2PKH + 1);
tXRaw = tXRawPreScriptSig
.Concat(new byte[] { (byte)scriptSig.Count })
.Concat(scriptSig)
.Concat(tXRawPostScriptSig)
.ToList();
tXRaw.RemoveRange(tXRaw.Count - 4, 4);
var parser = new BlockParser();
int indexTXRaw = 0;
byte[] tXRawArray = tXRaw.ToArray();
TX tX = parser.ParseTX(
false,
tXRawArray,
ref indexTXRaw);
tX.TXRaw = tXRawArray;
return(tX);
}
public void SendAnchorToken(
byte[] dataOPReturn)
{
ulong fee = 49400;
TXOutputWallet outputSpendable =
TXOutputsSpendable.Find(t => t.Value > fee);
outputSpendable = new TXOutputWallet
{
TXID = "391196f04bbf34ee921a6cbc93cfa198729281bd369e486d0377fabbf86c8c2f".ToBinary().ToArray(),
OutputIndex = 0,
ScriptPubKey = "76a914d4dc5e7b47130caae480d11a325856029f2cd87388ac".ToBinary().Reverse().ToArray(),
Value = 50000
};
if (outputSpendable == null)
{
throw new ProtocolException("No spendable output found.");
}
List <byte> tXRaw = new List <byte>();
byte[] version = { 0x01, 0x00, 0x00, 0x00 };
tXRaw.AddRange(version);
byte countInputs = 1;
tXRaw.Add(countInputs);
tXRaw.AddRange(outputSpendable.TXID);
tXRaw.AddRange(BitConverter.GetBytes(
outputSpendable.OutputIndex));
int indexScriptSig = tXRaw.Count;
tXRaw.Add(LENGTH_P2PKH);
tXRaw.AddRange(outputSpendable.ScriptPubKey);
byte[] sequence = { 0xFF, 0xFF, 0xFF, 0xFF };
tXRaw.AddRange(sequence);
byte countOutputs = 2; //(byte)(valueChange == 0 ? 1 : 2);
tXRaw.Add(countOutputs);
ulong valueChange = outputSpendable.Value - fee;
tXRaw.AddRange(BitConverter.GetBytes(
valueChange));
tXRaw.Add(LENGTH_P2PKH);
tXRaw.AddRange(PREFIX_P2PKH);
tXRaw.AddRange(PublicKeyHash160);
tXRaw.AddRange(POSTFIX_P2PKH);
tXRaw.AddRange(BitConverter.GetBytes(
(ulong)0));
tXRaw.Add((byte)(dataOPReturn.Length + 2));
tXRaw.Add(OP_RETURN);
tXRaw.Add((byte)dataOPReturn.Length);
tXRaw.AddRange(dataOPReturn);
byte[] lockTime = new byte[4];
tXRaw.AddRange(lockTime);
byte[] sigHashType = { 0x01, 0x00, 0x00, 0x00 };
tXRaw.AddRange(sigHashType);
byte[] signature = Crypto.GetSignature(
PrivKeyDec,
tXRaw.ToArray());
List <byte> scriptSig = new List <byte>();
scriptSig.Add((byte)(signature.Length + 1));
scriptSig.AddRange(signature);
scriptSig.Add(0x01);
byte[] publicKey = Crypto.GetPubKeyFromPrivKey(
PrivKeyDec);
scriptSig.Add((byte)publicKey.Length);
scriptSig.AddRange(publicKey);
var tXRawPreScriptSig = tXRaw.Take(indexScriptSig);
var tXRawPostScriptSig = tXRaw.Skip(indexScriptSig + LENGTH_P2PKH + 1);
tXRaw = tXRawPreScriptSig
.Concat(new byte[] { (byte)scriptSig.Count })
.Concat(scriptSig)
.Concat(tXRawPostScriptSig)
.ToList();
tXRaw.RemoveRange(tXRaw.Count - 4, 4);
var txArray = tXRaw.ToArray();
txArray = txArray.Reverse().ToArray();
Console.WriteLine(txArray.ToHexString());
//byte[] script = PREFIX_OP_RETURN.Concat(data).ToArray();
//var tXOutputOPReturn =
// new TXOutput
// {
// Value = 0,
// Buffer = script,
// StartIndexScript = 0,
// LengthScript = script.Length
// };
}
