public static ScriptSigs CombineSignatures(Script scriptPubKey, TransactionChecker checker, ScriptSigs input1, ScriptSigs input2)
{
if (scriptPubKey == null)
{
scriptPubKey = new Script();
}
var scriptSig1 = input1.ScriptSig;
var scriptSig2 = input2.ScriptSig;
HashVersion hashVersion = HashVersion.Original;
var isWitness = input1.WitSig != WitScript.Empty || input2.WitSig != WitScript.Empty;
if (isWitness)
{
scriptSig1 = input1.WitSig.ToScript();
scriptSig2 = input2.WitSig.ToScript();
hashVersion = HashVersion.Witness;
}
var context = new ScriptEvaluationContext();
context.ScriptVerify = ScriptVerify.StrictEnc;
context.EvalScript(scriptSig1, checker, hashVersion);
var stack1 = context.Stack.AsInternalArray();
context = new ScriptEvaluationContext();
context.ScriptVerify = ScriptVerify.StrictEnc;
context.EvalScript(scriptSig2, checker, hashVersion);
var stack2 = context.Stack.AsInternalArray();
var result = CombineSignatures(scriptPubKey, checker, stack1, stack2, hashVersion);
if (result == null)
{
return(scriptSig1.Length < scriptSig2.Length ? input2 : input1);
}
if (!isWitness)
{
return new ScriptSigs()
{
ScriptSig = result,
WitSig = WitScript.Empty
}
}
;
else
{
return(new ScriptSigs()
{
ScriptSig = input1.ScriptSig.Length < input2.ScriptSig.Length ? input2.ScriptSig : input1.ScriptSig,
WitSig = new WitScript(result)
});
}
}
public static ScriptSigs CombineSignatures(Script scriptPubKey, TransactionChecker checker, ScriptSigs input1, ScriptSigs input2)
{
if(scriptPubKey == null)
scriptPubKey = new Script();
var scriptSig1 = input1.ScriptSig;
var scriptSig2 = input2.ScriptSig;
HashVersion hashVersion = HashVersion.Original;
var isWitness = input1.WitSig != WitScript.Empty || input2.WitSig != WitScript.Empty;
if(isWitness)
{
scriptSig1 = input1.WitSig.ToScript();
scriptSig2 = input2.WitSig.ToScript();
hashVersion = HashVersion.Witness;
}
var context = new ScriptEvaluationContext();
context.ScriptVerify = ScriptVerify.StrictEnc;
context.EvalScript(scriptSig1, checker, hashVersion);
var stack1 = context.Stack.AsInternalArray();
context = new ScriptEvaluationContext();
context.ScriptVerify = ScriptVerify.StrictEnc;
context.EvalScript(scriptSig2, checker, hashVersion);
var stack2 = context.Stack.AsInternalArray();
var result = CombineSignatures(scriptPubKey, checker, stack1, stack2, hashVersion);
if(result == null)
return scriptSig1.Length < scriptSig2.Length ? input2 : input1;
if(!isWitness)
return new ScriptSigs()
{
ScriptSig = result,
WitSig = WitScript.Empty
};
else
{
return new ScriptSigs()
{
ScriptSig = input1.ScriptSig.Length < input2.ScriptSig.Length ? input2.ScriptSig : input1.ScriptSig,
WitSig = new WitScript(result)
};
}
}
