public static TransactionProperties DecodeTransactionRPC(string tx)
{
var prop = new TransactionProperties(tx);
var rawtxdata = Transaction.RPCRequest("getrawtransaction", new List <string>()
{
tx
});
Trace.WriteLine(rawtxdata);
var jsonTransaction = Utilities.Deserialize <Jsongetrawtransaction>(rawtxdata);
var data = Transaction.RPCRequest("decoderawtransaction", new List <string>()
{
jsonTransaction.result
});
var dataOut = "";
var decodedTransactionJson = Utilities.Deserialize <Jsondecoderawtransaction>(data);
foreach (var txout in decodedTransactionJson.result.vout)
{
foreach (var op in txout.scriptPubKey.asm.Split(' '))
{
if (op.StartsWith("OP_") == false && op.Length >= 40)
{
dataOut += Encoding.UTF8.GetString(Utilities.Hex2Binary2(op));;
}
}
}
if (dataOut.Trim().Length == 0)
{
return(prop);
}
var dataOutBytes = Encoding.ASCII.GetBytes(dataOut);
prop.Length = Utilities.StructUnpackBinaryReader <Int32>(dataOutBytes, 0);
prop.Checksum = Utilities.StructUnpackBinaryReader <Int32>(dataOutBytes, 4);
prop.Output = Encoding.UTF8.GetString(dataOutBytes.Skip(8).ToArray());
prop.Status = "Success";
return(prop);
}
public static TransactionProperties DecodeTransactionBitcoinLib(string tx)
{
var prop = new TransactionProperties(tx.Trim());
var service = GetBitcoinService();
var rawTransaction = service.GetRawTransaction(prop.Tx);
var decodedTransaction = service.DecodeRawTransaction(rawTransaction.Hex);
var dataOut = "";
var dataOutBytes = new List <byte>();
foreach (var vout in decodedTransaction.Vout)
{
foreach (var op in vout.ScriptPubKey.Asm.Split(' '))
{
if (op.StartsWith("OP_") == false && op.Length >= 40)
{
var bytes = Utilities.Hex2Binary2(op);
dataOut += Encoding.ASCII.GetString(bytes);
dataOutBytes.AddRange(bytes);
}
}
}
if (dataOut.Trim().Length == 0)
{
return(prop);
}
var byteArray = dataOutBytes.ToArray();
prop.Length = Utilities.StructUnpackBinaryReader <Int32>(byteArray, 0);
prop.Checksum = Utilities.StructUnpackBinaryReader <Int32>(byteArray, 4);
prop.Output = Encoding.UTF7.GetString(dataOutBytes.Skip(8).ToArray());
prop.ContentBytes = dataOutBytes.Skip(8).Take(prop.Length).ToArray();
prop.Status = "Success";
return(prop);
}
public static TransactionProperties DecodeTransaction(string tx)
{
var prop = new TransactionProperties(tx);
var url = "https://blockchain.info/tx/" + tx + "?show_adv=true";
Trace.WriteLine(url);
var request = WebRequest.Create(url);
var response = request.GetResponse();
var responseText = "";
using (var reader = new StreamReader(response.GetResponseStream(), Encoding.ASCII))
{
responseText = reader.ReadToEnd();
}
//System.Diagnostics.Trace.WriteLine(responseText);
bool atOutput = false;//flags whether or not there is output scripts in the transaction
var dataOut = "";
using (StringReader reader = new StringReader(responseText))
{
string line = string.Empty;
do
{
line = reader.ReadLine();
if (line != null)
{
line = line.Trim(); //Removes the blank data from the online page
if (line.Contains("Output Scripts")) //Looks for output scripts from the transaction
{
atOutput = true;
}
if (line.Contains("</table>"))
{
atOutput = false;
}
if (atOutput && line.Length > 100) // checks for output scripts and long enough?
{
var chunks = line.Split(' '); //removes spaces from the line
foreach (var c in chunks)
{
if (c.Contains('O') == false &&
c.Contains('\n') == false &&
c.Contains('>') == false &&
c.Contains('<') == false)
{
var lineData = Encoding.UTF8.GetString(Utilities.Hex2Binary2(c));//C# equivalent of Python unhexlify
dataOut += lineData;
}
}
}
}
} while (line != null);
}
if (dataOut.Trim().Length == 0)
{
return(prop);
}
var dataOutBytes = Encoding.ASCII.GetBytes(dataOut);
prop.Length = Utilities.StructUnpackBinaryReader <Int32>(dataOutBytes, 0);
prop.Checksum = Utilities.StructUnpackBinaryReader <Int32>(dataOutBytes, 4);
prop.Output = Encoding.UTF8.GetString(dataOutBytes.Skip(8).ToArray());
prop.Status = "Success";
return(prop);
}
public static void DetermineFileType(TransactionProperties prop)
{
//prop.ContentBytes
// parse the output of a transaction
// if the output is a list of transactions, retrieve the first transaction and check for file header
var outputFileName = prop.Tx;
using (FileStream stream = new FileStream(outputFileName, FileMode.Create))
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.Write(prop.ContentBytes.ToArray());
}
}
//File.WriteAllText(outputFileName, prop.Output);
var proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = "trid.exe",
Arguments = prop.Tx,
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true
}
};
proc.Start();
List <string> tridOutput = new List <string>();
while (!proc.StandardOutput.EndOfStream)
{
string line = proc.StandardOutput.ReadLine();
tridOutput.Add(line);
}
prop.FileType = "Unknown";
try
{
if (tridOutput.Count > 0)
{
var line = tridOutput[tridOutput.Count - 1];
if (line.Contains("%"))
{
var parts = line.Split('%');
if (parts.Length < 2)
{
throw new Exception("unable to properly parse tridOut");
}
prop.FileType = parts[1];
}
else
{
prop.FileType = line;
}
}
}
catch (Exception ex)
{
prop.FileType = "Error-Couldn't Determine";
}
//Trace.WriteLine(sb.ToString());
}
