示例#1
0
        private Witness CreateMultiSignatureWitness(Signature[] signatures)
        {
            ECPoint[] pubKeys = new ECPoint[signatures.Length];
            for (int i = 0; i < signatures.Length; i++)
            {
                if (!VerifyKeyAndSignature(signatures[i], out ECPoint pubKey))
                {
                    return(null);
                }
                pubKeys[i] = pubKey;
            }

            // sort public keys in ascending order, also match their signature
            Dictionary <ECPoint, Signature> dic = pubKeys.Select((p, i) => new
            {
                PubKey = p,
                Sig    = signatures[i]
            }).OrderBy(p => p.PubKey).ToDictionary(p => p.PubKey, p => p.Sig);

            Witness witness = new Witness();

            using (ScriptBuilder sb = new ScriptBuilder())
            {
                dic.Values.ToList().ForEach(p => sb.EmitPush(p.Bytes));
                witness.InvocationScript = sb.ToArray();
            }
            witness.VerificationScript = Contract.CreateMultiSigRedeemScript(signatures.Length, dic.Keys.ToArray());

            return(witness);
        }