示例#1
0
        public override bool Equals(object obj)
        {
            EscrowScriptPubKeyParameters item = obj as EscrowScriptPubKeyParameters;

            if (item == null)
            {
                return(false);
            }
            return(ToScript().Equals(item.ToScript()));
        }
示例#2
0
        private static EscrowScriptPubKeyParameters GetFromScript(Script script)
        {
            EscrowScriptPubKeyParameters parameters = new EscrowScriptPubKeyParameters();

            try
            {
                var data = script.ToOps().Where(o => o.PushData != null).ToArray();
                parameters.Initiator = new PubKey(data[0].PushData);
                parameters.Receiver  = new PubKey(data[2].PushData);
                parameters.LockTime  = new LockTime(data[3].GetInt().Value);
                //Verify it is the same as if we had done it
                if (parameters.ToScript() != script)
                {
                    throw new Exception();
                }
                return(parameters);
            }
            catch { return(null); }
        }
示例#3
0
        public virtual void ConfigureEscrowedCoin(uint160 channelId, ScriptCoin escrowedCoin, Key escrowKey, Script redeemDestination)
        {
            if (escrowedCoin == null)
            {
                throw new ArgumentNullException(nameof(escrowedCoin));
            }
            if (escrowKey == null)
            {
                throw new ArgumentNullException(nameof(escrowKey));
            }
            var escrow = EscrowScriptPubKeyParameters.GetFromCoin(escrowedCoin);

            if (escrow == null ||
                escrow.Initiator != escrowKey.PubKey)
            {
                throw new PuzzleException("Invalid escrow");
            }
            InternalState.ChannelId         = channelId ?? throw new ArgumentNullException(nameof(channelId));
            InternalState.EscrowedCoin      = escrowedCoin;
            InternalState.EscrowKey         = escrowKey;
            InternalState.RedeemDestination = redeemDestination ?? throw new ArgumentNullException(nameof(redeemDestination));
        }
示例#4
0
        public TrustedBroadcastRequest CreateRedeemTransaction(Network network, FeeRate feeRate)
        {
            if (feeRate == null)
            {
                throw new ArgumentNullException(nameof(feeRate));
            }

            var         escrow     = EscrowScriptPubKeyParameters.GetFromCoin(InternalState.EscrowedCoin);
            var         escrowCoin = InternalState.EscrowedCoin;
            Transaction tx         = new Transaction();

            tx.LockTime = escrow.LockTime;
            tx.Inputs.Add(new TxIn());
            //Put a dummy signature and the redeem script
            tx.Inputs[0].ScriptSig =
                new Script(
                    Op.GetPushOp(TrustedBroadcastRequest.PlaceholderSignature),
                    Op.GetPushOp(escrowCoin.Redeem.ToBytes()));
            tx.Inputs[0].Witnessify();
            tx.Inputs[0].Sequence = 0;

            tx.Outputs.Add(new TxOut(escrowCoin.Amount, InternalState.RedeemDestination));
            var virtualSize = tx.HasWitness ? tx.GetVirtualSize(network.Consensus.Options.WitnessScaleFactor) : tx.GetSerializedSize();

            tx.Outputs[0].Value -= feeRate.GetFee(tx.GetVirtualSize(virtualSize));

            var redeemTransaction = new TrustedBroadcastRequest
            {
                Key = InternalState.EscrowKey,
                PreviousScriptPubKey = escrowCoin.ScriptPubKey,
                Transaction          = tx,
                KnownPrevious        = new Coin[] { escrowCoin }
            };

            return(redeemTransaction);
        }