private bool IsValidSignature(PuzzleSolution solution, HashBase hash, out ECDSASignature signature)
{
signature = null;
var escrow = EscrowScriptPubKeyParameters.GetFromCoin(InternalState.EscrowedCoin);
try
{
var key = new XORKey(solution);
signature = new ECDSASignature(key.XOR(hash.Commitment.Promise));
var ok = escrow.Initiator.Verify(hash.GetHash(), signature);
if (!ok)
{
signature = null;
}
return(ok);
}
catch
{
}
return(false);
}
private bool IsValidSignature(PuzzleSolution solution, HashBase hash, out PubKey signer, out ECDSASignature signature)
{
signer = null;
signature = null;
try
{
var key = new XORKey(solution);
signature = new ECDSASignature(key.XOR(hash.Commitment.Promise));
foreach (var sig in GetExpectedSigners())
{
if (sig.Verify(hash.GetHash(), signature))
{
signer = sig;
return(true);
}
}
return(false);
}
catch
{
}
return(false);
}