/// <summary>
/// Check if valid transaction signature
/// </summary>
/// <param name="sig">The signature</param>
/// <param name="scriptVerify">Verification rules</param>
/// <param name="error">Error</param>
/// <returns>True if valid</returns>
public static bool IsValid(byte[] sig, ScriptVerify scriptVerify, out ScriptError error)
{
if(sig == null)
throw new ArgumentNullException("sig");
if(sig.Length == 0)
{
error = ScriptError.SigDer;
return false;
}
error = ScriptError.OK;
var ctx = new ScriptEvaluationContext()
{
ScriptVerify = scriptVerify
};
if(!ctx.CheckSignatureEncoding(sig))
{
error = ctx.Error;
return false;
}
return true;
}
private bool VerifyScript(IndexedTxIn input, Script scriptPubKey, Money value, ScriptVerify scriptVerify, out ScriptError error)
{
if (!this.UseConsensusLib)
{
return(input.VerifyScript(this.network, scriptPubKey, value, scriptVerify, out error));
}
else
{
bool ok = Script.VerifyScriptConsensus(scriptPubKey, input.Transaction, input.Index, scriptVerify);
if (!ok)
{
if (input.VerifyScript(this.network, scriptPubKey, scriptVerify, out error))
{
error = ScriptError.UnknownError;
}
return(false);
}
else
{
error = ScriptError.OK;
}
return(true);
}
}
public static bool VerifyScript(Script scriptPubKey, Transaction tx, int i, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return VerifyScript(scriptSig, scriptPubKey, tx, i, scriptVerify, sigHash, out error);
}
private bool VerifyScript(IndexedTxIn input, Script scriptPubKey, ScriptVerify scriptVerify, out ScriptError error)
{
if(!UseConsensusLib)
return input.VerifyScript(scriptPubKey, scriptVerify, out error);
else
{
var ok = Script.VerifyScriptConsensus(scriptPubKey, input.Transaction, input.Index, scriptVerify);
if(!ok)
{
if(input.VerifyScript(scriptPubKey, scriptVerify, out error))
error = ScriptError.UnknownError;
return false;
}
else
{
error = ScriptError.OK;
}
return true;
}
}
public static bool VerifyScript(Script scriptSig, Script scriptPubKey, Transaction tx, int i, Money value, out ScriptError error)
{
return VerifyScript(scriptSig, scriptPubKey, tx, i, value, ScriptVerify.Standard, SigHash.Undefined, out error);
}
public static bool VerifyScript(Script scriptSig, Script scriptPubKey, Transaction tx, int i, Money value, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
var eval = new ScriptEvaluationContext
{
SigHash = sigHash,
ScriptVerify = scriptVerify
};
var result = eval.VerifyScript(scriptSig, scriptPubKey, tx, i, value);
error = eval.Error;
return(result);
}
public static bool VerifyScript(Transaction tx, int i, TxOut spentOutput, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return(VerifyScript(scriptSig, tx, i, spentOutput, ScriptVerify.Standard, SigHash.Undefined, out error));
}
public bool VerifyScript(ICoin coin, ScriptVerify scriptVerify, out ScriptError error)
{
return(Script.VerifyScript(coin.TxOut.ScriptPubKey, Transaction, (int)Index, coin.TxOut.Value, scriptVerify, SigHash.Undefined, out error));
}
public ScriptErrorNavigator(ScriptError error, IServiceProvider sp)
{
this.error = error;
this.sp = sp;
}
public bool VerifyScript(Script scriptPubKey, out ScriptError error)
{
return(Script.VerifyScript(scriptPubKey, Transaction, (int)Index, null, out error));
}
public bool VerifyScript(Script scriptPubKey, Money value, ScriptVerify scriptVerify, out ScriptError error)
{
return(Script.VerifyScript(scriptPubKey, Transaction, (int)Index, value, scriptVerify, SigHash.Undefined, out error));
}
public virtual void ShowErrors(params Exception[] exceptions)
{
ShowErrors(exceptions.Select(ex => ScriptError.From(ex)).ToArray());
}
private bool VerifyScript(IndexedTxIn input, Script scriptPubKey, Money value, ScriptVerify scriptVerify, out ScriptError error)
{
#if !NOCONSENSUSLIB
if(!UseConsensusLib)
#endif
return input.VerifyScript(scriptPubKey, value, scriptVerify, out error);
#if !NOCONSENSUSLIB
else
{
var ok = Script.VerifyScriptConsensus(scriptPubKey, input.Transaction, input.Index, scriptVerify);
if(!ok)
{
if(input.VerifyScript(scriptPubKey, scriptVerify, out error))
error = ScriptError.UnknownError;
return false;
}
else
{
error = ScriptError.OK;
}
return true;
}
#endif
}
internal InputValidationResult(int index, ScriptError error, ExecutionData executionData)
{
InputIndex = index;
Error = error;
ExecutionData = executionData;
}
private bool VerifyScript(IndexedTxIn input, Script scriptPubKey, Money value, ScriptVerify scriptVerify, out ScriptError error)
{
#if !NOCONSENSUSLIB
if (!UseConsensusLib)
#endif
{
if (input.Transaction is IHasForkId)
{
scriptVerify |= NBitcoin.ScriptVerify.ForkId;
}
return(input.VerifyScript(scriptPubKey, value, scriptVerify, out error));
}
#if !NOCONSENSUSLIB
else
{
if (input.Transaction is IHasForkId)
{
scriptVerify |= (NBitcoin.ScriptVerify)(1U << 16);
}
var ok = Script.VerifyScriptConsensus(scriptPubKey, input.Transaction, input.Index, scriptVerify);
if (!ok)
{
if (input.VerifyScript(scriptPubKey, scriptVerify, out error))
{
error = ScriptError.UnknownError;
}
return(false);
}
else
{
error = ScriptError.OK;
}
return(true);
}
#endif
}
public static bool VerifyScript(Script scriptSig, Script scriptPubKey, Transaction tx, int i, out ScriptError error)
{
return(VerifyScript(scriptSig, scriptPubKey, tx, i, ScriptVerify.Standard, SigHash.Undefined, out error));
}
/// <summary>
/// Check if valid transaction signature
/// </summary>
/// <param name="network">The blockchain network class.</param>
/// <param name="sig">The signature</param>
/// <param name="scriptVerify">Verification rules</param>
/// <param name="error">Error</param>
/// <returns>True if valid</returns>
public static bool IsValid(Network network, byte[] sig, ScriptVerify scriptVerify, out ScriptError error)
{
if (sig == null)
{
throw new ArgumentNullException("sig");
}
if (sig.Length == 0)
{
error = ScriptError.SigDer;
return(false);
}
error = ScriptError.OK;
var ctx = new ScriptEvaluationContext(network)
{
ScriptVerify = scriptVerify
};
if (!ctx.CheckSignatureEncoding(sig))
{
error = ctx.Error;
return(false);
}
return(true);
}
private bool VerifyScript(IndexedTxIn input, Script scriptPubKey, Money value, ScriptVerify scriptVerify, out ScriptError error)
{
#if !NOCONSENSUSLIB
if (!UseConsensusLib)
#endif
return(input.VerifyScript(this.network, scriptPubKey, value, scriptVerify, out error));
#if !NOCONSENSUSLIB
else
{
var ok = Script.VerifyScriptConsensus(scriptPubKey, input.Transaction, input.Index, scriptVerify);
if (!ok)
{
if (input.VerifyScript(this.network, scriptPubKey, scriptVerify, out error))
{
error = ScriptError.UnknownError;
}
return(false);
}
else
{
error = ScriptError.OK;
}
return(true);
}
#endif
}
public static bool VerifyScript(Script scriptPubKey, Transaction tx, int i, Money value, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return(VerifyScript(scriptSig, scriptPubKey, tx, i, value, ScriptVerify.Standard, SigHash.Undefined, out error));
}
public string GetErrorString(ScriptError error)
{
switch (error)
{
case ScriptError.NoError:
return("No error found");
case ScriptError.Error:
return("Unknown Error");
case ScriptError.FileDoesNotExist:
return("File does not exist");
case ScriptError.CannotOpenFile:
return("Cannot open the file");
case ScriptError.FileEmpty:
return("Empty file");
case ScriptError.SecBegOfLineErr:
return("Begning of section invalid");
case ScriptError.UnknownSecErr:
return("Unknown section");
case ScriptError.SyntaxErr:
return("Syntax error");
case ScriptError.SecRepeatErr:
return("Section repeated");
case ScriptError.UnknownSerialPortSetting:
return("Unknown serial port setting");
case ScriptError.BaudRateResolutionErr:
return("Cannot resolve baud rate");
case ScriptError.ParityResolutionErr:
return("Cannot resolve parity");
case ScriptError.DataBitsResolutionErr:
return("Cannot resolve data bits");
case ScriptError.StopBitsResolutionErr:
return("Cannot resolve stop bits");
case ScriptError.HandShakeResolutionErr:
return("Cannot resolve handshaking protocol");
case ScriptError.UnknownCmdErr:
return("Unknown command");
case ScriptError.CannotOpenSP:
return("Cannot open serial port");
case ScriptError.CannotCloseSP:
return("Cannot close serial port");
case ScriptError.SPNotOpen:
return("Serial port not open");
case ScriptError.CannotTalkToSP:
return("Cannot talk toSerial port");
case ScriptError.NotEnoughParamsRet:
return("Not enough prameters returned");
case ScriptError.UnexpectedOutputFormat:
return("Unexpected output format");
case ScriptError.DtrEnableErr:
return("Cannot resolve DTR state");
default:
return("Unknown error");
}
}
public static bool VerifyScript(Script scriptPubKey, Transaction tx, int i, Money value, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return(VerifyScript(scriptSig, scriptPubKey, tx, i, value, scriptVerify, sigHash, out error));
}
public ScriptError RunCommands(ScriptCommand ScriptCMD)
{
if (scriptParsed == false)
{
ScriptError RetVal = this.ParseScriptFile();
if (RetVal != ScriptError.NoError)
{
return(RetVal);
}
}
if (ScriptCMD == ScriptCommand.OpenSerialPortCMD)
{
if (this.FreqCntrPort == null)
{
this.FreqCntrPort = new SerialPort();
}
if (this.FreqCntrPort.IsOpen == false)
{
this.FreqCntrPort.PortName = serialPortName;
this.FreqCntrPort.BaudRate = spBaudRate;
this.FreqCntrPort.Parity = spParity;
this.FreqCntrPort.DataBits = spDataBits;
this.FreqCntrPort.StopBits = spStopBits;
this.FreqCntrPort.Handshake = spHandshake;
this.FreqCntrPort.DtrEnable = spDtrEnable;
this.FreqCntrPort.Encoding = Encoding.ASCII;
try
{
this.FreqCntrPort.Open();
}
catch
{
return(ScriptError.CannotOpenSP);
}
}
}
else if (ScriptCMD == ScriptCommand.InitCMD)
{
foreach (string currentCMD in secInitCommands)
{
ScriptError RetVal = this.ParseCommand(currentCMD);
if (RetVal != ScriptError.NoError)
{
return(RetVal);
}
}
}
else if (ScriptCMD == ScriptCommand.MeasureCMD)
{
foreach (string currentCMD in secMeasureCommands)
{
ScriptError RetVal = this.ParseCommand(currentCMD);
if (RetVal != ScriptError.NoError)
{
return(RetVal);
}
}
}
else if (ScriptCMD == ScriptCommand.StopCMD)
{
foreach (string currentCMD in secStopCommands)
{
ScriptError RetVal = this.ParseCommand(currentCMD);
if (RetVal != ScriptError.NoError)
{
return(RetVal);
}
}
}
else if (ScriptCMD == ScriptCommand.CloseSerialPortCMD)
{
if (this.FreqCntrPort != null)
{
try
{
if (this.FreqCntrPort.IsOpen)
{
this.FreqCntrPort.Close();
}
}
catch
{
return(ScriptError.CannotCloseSP);
}
}
else
{
return(ScriptError.SPNotOpen);
}
}
return(ScriptError.NoError);
}
public ScriptPolicyError(IndexedTxIn input, ScriptError error, ScriptVerify scriptVerify, Script scriptPubKey)
: base("Script error on input " + input.Index + " (" + error + ")", input)
{
_ScriptError = error;
_ScriptVerify = scriptVerify;
_ScriptPubKey = scriptPubKey;
}
public static bool VerifyScript(Script scriptSig, Transaction tx, int i, TxOut spentOutput, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
if (spentOutput == null)
{
throw new ArgumentNullException(nameof(spentOutput));
}
var eval = new ScriptEvaluationContext
{
SigHash = sigHash,
ScriptVerify = scriptVerify
};
var result = eval.VerifyScript(scriptSig, tx, i, spentOutput);
error = eval.Error;
return(result);
}
public static bool VerifyScript(Script scriptPubKey, Transaction tx, int i, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return VerifyScript(scriptSig, scriptPubKey, tx, i, ScriptVerify.Standard, SigHash.Undefined, out error);
}
public static bool VerifyScript(Transaction tx, int i, TxOut spentOutput, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
var scriptSig = tx.Inputs[i].ScriptSig;
return(VerifyScript(scriptSig, tx, i, spentOutput, scriptVerify, sigHash, out error));
}
public static bool VerifyScript(Script scriptSig, Script scriptPubKey, Transaction tx, int i, ScriptVerify scriptVerify, SigHash sigHash, out ScriptError error)
{
var eval = new ScriptEvaluationContext
{
SigHash = sigHash,
ScriptVerify = scriptVerify
};
var result = eval.VerifyScript(scriptSig, scriptPubKey, tx, i);
error = eval.Error;
return result;
}
public override void ErrorReported(ScriptSource source, string message, SourceSpan span, int errorCode, Severity severity)
{
ScriptError arg = new ScriptError(message, severity.ToString(), span.Start.Line, span.Start.Column);
Errors.Add(arg);
}
