public TransactionSignature ExtractSignature(MicroChannelParticipant participant, Transaction payment)
{
var args = PayToScriptHashTemplate.Instance.ExtractScriptSigParameters(payment.Inputs[0].ScriptSig);
if (args == null || args.RedeemScript != Redeem)
{
throw new MicroPaymentException("Payment uncorrectly signed");
}
var multiArgs = PayToMultiSigTemplate.Instance.ExtractScriptPubKeyParameters(Redeem);
if (multiArgs == null || !multiArgs.PubKeys.Contains(participant.PaymentPubKey))
{
throw new MicroPaymentException("Payment uncorrectly signed");
}
var i = Array.IndexOf(multiArgs.PubKeys, participant.PaymentPubKey);
var sig = args.Signatures[i];
if (sig == null)
{
throw new MicroPaymentException("Payment uncorrectly signed");
}
if (args.Signatures.Count(s => s != null) != 1)
{
throw new MicroPaymentException("Payment uncorrectly signed");
}
return(sig);
}
public TransactionSignature ExtractSignature(MicroChannelParticipant participant, Transaction payment)
{
var args = PayToScriptHashTemplate.Instance.ExtractScriptSigParameters(payment.Inputs[0].ScriptSig);
if(args == null || args.RedeemScript != Redeem)
throw new MicroPaymentException("Payment uncorrectly signed");
var multiArgs = PayToMultiSigTemplate.Instance.ExtractScriptPubKeyParameters(Redeem);
if(multiArgs == null || !multiArgs.PubKeys.Contains(participant.PaymentPubKey))
throw new MicroPaymentException("Payment uncorrectly signed");
var i = Array.IndexOf(multiArgs.PubKeys, participant.PaymentPubKey);
var sig = args.Signatures[i];
if(sig == null)
throw new MicroPaymentException("Payment uncorrectly signed");
if(args.Signatures.Count(s => s != null) != 1)
throw new MicroPaymentException("Payment uncorrectly signed");
return sig;
}