public PayToMultiSigTemplateParameters?ExtractScriptPubKeyParameters(Script scriptPubKey)
{
bool needMoreCheck;
if (!FastCheckScriptPubKey(scriptPubKey, out needMoreCheck))
{
return(null);
}
var ops = scriptPubKey.ToOps().ToArray();
if (!CheckScriptPubKeyCore(scriptPubKey, ops))
{
return(null);
}
//already checked in CheckScriptPubKeyCore
var sigCount = ops[0].GetInt() !.Value;
var keyCount = ops[ops.Length - 2].GetInt() !.Value;
List <PubKey> keys = new List <PubKey>();
List <byte[]> invalidKeys = new List <byte[]>();
for (int i = 1; i < keyCount + 1; i++)
{
if (PubKey.TryCreatePubKey(ops[i].PushData, out var pk))
{
keys.Add(pk);
}
else
{
invalidKeys.Add(ops[i].PushData);
}
}
return(new PayToMultiSigTemplateParameters(sigCount, keys.ToArray(), invalidKeys.ToArray()));
}
public PayToWitPubkeyHashScriptSigParameters?ExtractWitScriptParameters(WitScript witScript)
{
if (!CheckWitScriptCore(witScript))
{
return(null);
}
if (PubKey.TryCreatePubKey(witScript[1], out var pk))
{
return(new PayToWitPubkeyHashScriptSigParameters((witScript[0].Length == 0) ? null : new TransactionSignature(witScript[0]), pk));
}
return(null);
}
public PubKey?ExtractScriptPubKeyParameters(Script scriptPubKey, bool deepCheck)
{
var result = ExtractScriptPubKeyParameters(scriptPubKey);
if (result == null || !deepCheck)
{
return(result);
}
if (PubKey.TryCreatePubKey(result.ToBytes(true), out var pk))
{
return(pk);
}
return(null);
}
public PayToPubkeyHashScriptSigParameters?ExtractScriptSigParameters(Script scriptSig)
{
var ops = scriptSig.ToOps().ToArray();
if (!CheckScriptSigCore(scriptSig, ops, null, null))
{
return(null);
}
if (PubKey.TryCreatePubKey(ops[1].PushData, out var pk))
{
return(new PayToPubkeyHashScriptSigParameters(ops[0].Code == OpcodeType.OP_0 ? null : new TransactionSignature(ops[0].PushData), pk));
}
return(null);
}
public PubKey?ExtractScriptPubKeyParameters(Script scriptPubKey)
{
bool needMoreCheck;
if (!FastCheckScriptPubKey(scriptPubKey, out needMoreCheck))
{
return(null);
}
if (PubKey.TryCreatePubKey(scriptPubKey.ToBytes(true).SafeSubarray(1, scriptPubKey.Length - 2), out var pk))
{
return(pk);
}
return(null);
}
