public override IEnumerable <TxIn> FindSpent(IEnumerable <Transaction> transactions)
{
return
(transactions
.SelectMany(t => t.Inputs)
.Select(i => new
{
TxIn = i,
Parameters = template.ExtractScriptSigParameters(i.ScriptSig)
})
.Where(r => r.Parameters != null && r.Parameters.PublicKey.ID == KeyId)
.Select(r => r.TxIn));
}
public void CanParseAndGeneratePayToPubKeyScript()
{
var payToPubHash = new PayToPubkeyHashTemplate();
var scriptPubKey = new Script("OP_DUP OP_HASH160 b72a6481ec2c2e65aa6bd9b42e213dce16fc6217 OP_EQUALVERIFY OP_CHECKSIG");
var pubKey = payToPubHash.ExtractScriptPubKeyParameters(scriptPubKey);
Assert.Equal("b72a6481ec2c2e65aa6bd9b42e213dce16fc6217", pubKey.ToString());
var scriptSig = new Script("3044022064f45a382a15d3eb5e7fe72076eec4ef0f56fde1adfd710866e729b9e5f3383d02202720a895914c69ab49359087364f06d337a2138305fbc19e20d18da78415ea9301 0364bd4b02a752798342ed91c681a48793bb1c0853cbcd0b978c55e53485b8e27c");
var sigResult = payToPubHash.ExtractScriptSigParameters(scriptSig);
Assert.Equal("3044022064f45a382a15d3eb5e7fe72076eec4ef0f56fde1adfd710866e729b9e5f3383d02202720a895914c69ab49359087364f06d337a2138305fbc19e20d18da78415ea9301", Encoders.Hex.EncodeData(sigResult.TransactionSignature.ToBytes()));
Assert.Equal("0364bd4b02a752798342ed91c681a48793bb1c0853cbcd0b978c55e53485b8e27c", sigResult.PublicKey.ToString());
Assert.Equal(payToPubHash.GenerateScriptSig(sigResult.TransactionSignature, sigResult.PublicKey).ToString(), scriptSig.ToString());
Assert.Equal(payToPubHash.GenerateScriptPubKey(pubKey).ToString(), scriptPubKey.ToString());
}
public async Task <Transaction> GetTransaction(string id)
{
var tx = await _client.GetRawTransactionAsync(id);
if (tx == null)
{
return(null);
}
var transaction = new Transaction
{
Blockhash = tx.Blockhash,
TransactionId = tx.Txid,
Size = tx.Size,
TransactionIn = new List <In>(),
TransactionsOut = new List <Out>(),
};
// this fails b/c no input validation
// Debug.Assert(id == transaction.TransactionId);
int index = 0;
foreach (var rpcIn in tx.Vin)
{
var inp = new In {
Index = index
};
if (rpcIn.Coinbase == null)
{
string hexScript = rpcIn.ScriptSig.Hex;
byte[] decodedScript = Encoders.Hex.DecodeData(hexScript);
Script script = new Script(decodedScript);
PayToPubkeyHashTemplate template = new PayToPubkeyHashTemplate();
PayToPubkeyHashScriptSigParameters param = template.ExtractScriptSigParameters(script);
if (param != null)
{
PubKey pubKey = param.PublicKey;
BitcoinPubKeyAddress address = pubKey.GetAddress(NetworkSpec.ObsidianMain());
inp.Address = address.ToString();
}
else
{
inp.Address = "none";
}
inp.TransactionId = rpcIn.Txid;
inp.VOut = (int)rpcIn.Vout;
inp.Sequence = rpcIn.Sequence;
inp.ScriptSigHex = rpcIn.ScriptSig.Hex;
}
else
{
inp.Coinbase = rpcIn.Coinbase;
inp.Sequence = rpcIn.Sequence;
}
transaction.TransactionIn.Add(inp);
}
if (transaction.TransactionIn[0].Coinbase != null)
{
//Debug.Assert(transaction.TransactionIn.Count == 1);
transaction.IsCoinBase = true;
}
index = 0;
foreach (var output in tx.Vout)
{
var @out = new Out
{
TransactionId = transaction.TransactionId,
Value = output.Value,
Quantity = output.N,
AssetId = null,
Index = index++
};
if (output.ScriptPubKey.Addresses != null) // Satoshi 14.2
{
@out.Address = output.ScriptPubKey.Addresses.FirstOrDefault();
}
else
{
string hexScript = output.ScriptPubKey.Hex;
if (!string.IsNullOrEmpty(hexScript))
{
byte[] decodedScript = Encoders.Hex.DecodeData(hexScript);
Script script = new Script(decodedScript);
var pubKey = PayToPubkeyTemplate.Instance.ExtractScriptPubKeyParameters(script);
BitcoinPubKeyAddress address = pubKey.GetAddress(NetworkSpec.ObsidianMain());
@out.Address = address.ToString();
}
else
{
@out.Address = "none";
}
}
transaction.TransactionsOut.Add(@out);
}
return(transaction);
}
