Пример #1
0
        /// <summary>
        /// </summary>
        /// <param name="output"></param>
        public void Standard(TransferOutput output)
        {
            var transactionModel = new DebitModel((Debit)output.Transaction);
            var transferResponse = new TransferResponse(transactionModel, output.UpdatedBalance.ToDecimal());

            this.ViewModel = new ObjectResult(transferResponse);
        }
Пример #2
0
        public async Task Execute(TransferInput input)
        {
            IAccount originAccount = await _accountRepository.Get(input.OriginAccountId);

            if (originAccount == null)
            {
                _outputHandler.Error($"The account {input.OriginAccountId} does not exist or is already closed.");
                return;
            }

            IAccount destinationAccount = await _accountRepository.Get(input.DestinationAccountId);

            if (destinationAccount == null)
            {
                _outputHandler.Error($"The account {input.DestinationAccountId} does not exist or is already closed.");
                return;
            }

            IDebit  debit  = originAccount.Withdraw(_entityFactory, input.Amount);
            ICredit credit = destinationAccount.Deposit(_entityFactory, input.Amount);

            await _accountRepository.Update(originAccount, debit);

            await _accountRepository.Update(destinationAccount, credit);

            await _unitOfWork.Save();

            TransferOutput output = new TransferOutput(
                debit,
                originAccount.GetCurrentBalance(),
                input.OriginAccountId,
                input.DestinationAccountId);

            _outputHandler.Default(output);
        }
        public IActionResult SendMany(Assets assets)
        {
            CheckWallet();
            UInt160 from = null;

            if (assets.From != null || assets.From.Length != 0)
            {
                from = assets.From.ToScriptHash();
            }
            List <Asset> to = assets.Asset;

            if (to.Count == 0)
            {
                throw new RestException(-32602, "Invalid params");
            }
            TransferOutput[] outputs = new TransferOutput[to.Count];
            for (int i = 0; i < to.Count; i++)
            {
                UInt160         asset_id   = UInt160.Parse(to[i].AssetId);
                AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                outputs[i] = new TransferOutput
                {
                    AssetId    = asset_id,
                    Value      = BigDecimal.Parse(to[i].Value, descriptor.Decimals),
                    ScriptHash = to[i].Address.ToScriptHash()
                };
                if (outputs[i].Value.Sign <= 0)
                {
                    throw new RestException(-32602, "Invalid params");
                }
            }
            Transaction tx = wallet.MakeTransaction(outputs, from);

            if (tx == null)
            {
                throw new RestException(-300, "Insufficient funds");
            }

            ContractParametersContext transContext = new ContractParametersContext(tx);

            wallet.Sign(transContext);
            if (!transContext.Completed)
            {
                return(FormatJson(transContext.ToJson()));
            }
            tx.Witnesses = transContext.GetWitnesses();
            if (tx.Size > 1024)
            {
                long calFee = tx.Size * 1000 + 100000;
                if (tx.NetworkFee < calFee)
                {
                    tx.NetworkFee = calFee;
                }
            }
            if (tx.NetworkFee > RestSettings.Default.MaxFee)
            {
                throw new RestException(-301, "The necessary fee is more than the Max_fee, this transaction is failed. Please increase your Max_fee value.");
            }
            return(FormatJson(SignAndRelay(tx)));
        }
Пример #4
0
 public SendTransferRequest(Ed25519Seed seed, TransferOutput output, int accountIndex = 0,
                            AddressOptions addressOptions = null,
                            string indexationKey          = "", string data = "") : this(seed, new List <TransferOutput> {
     output
 }, accountIndex,
                                                                                         addressOptions, indexationKey, data)
 {
 }
Пример #5
0
        private JObject SendMany(UInt160 from, JArray to, Fixed8 fee, UInt160 change_address)
        {
            CheckWallet();
            if (to.Count == 0)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            TransferOutput[] outputs = new TransferOutput[to.Count];
            for (int i = 0; i < to.Count; i++)
            {
                UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                outputs[i] = new TransferOutput
                {
                    AssetId    = asset_id,
                    Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                    ScriptHash = to[i]["address"].AsString().ToScriptHash()
                };
                if (outputs[i].Value.Sign <= 0)
                {
                    throw new RpcException(-32602, "Invalid params");
                }
            }
            if (fee < Fixed8.Zero)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            Transaction tx = Wallet.MakeTransaction(null, outputs, from: from, change_address: change_address, fee: fee);

            if (tx == null)
            {
                throw new RpcException(-300, "Insufficient funds");
            }

            ContractParametersContext transContext = new ContractParametersContext(tx);

            Wallet.Sign(transContext);
            tx.Witnesses = transContext.GetWitnesses();
            if (tx.Size > 1024)
            {
                Fixed8 calFee = Fixed8.FromDecimal(tx.Size * 0.00001m + 0.001m);
                if (fee < calFee)
                {
                    fee = calFee;
                    tx  = Wallet.MakeTransaction(null, outputs, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                }
            }
            if (fee > Settings.Default.MaxFee)
            {
                throw new RpcException(-301, "The necessary fee is more than the Max_fee, this transaction is failed. Please increase your Max_fee value.");
            }
            return(SignAndRelay(tx));
        }
Пример #6
0
        public void BuildOutput(IDebit debit, IAccount originAccount, IAccount destinationAccount)
        {
            var output = new TransferOutput(
                debit,
                originAccount.GetCurrentBalance(),
                originAccount.Id,
                destinationAccount.Id);

            _outputPort.Standard(output);
        }
 public void Default(TransferOutput output)
 {
     ViewModel = new ObjectResult(new
     {
         Amount          = output.Transaction.Amount,
         Description     = output.Transaction.Description,
         TransactionDate = output.Transaction.TransactionDate,
         UpdatedBalance  = output.UpdatedBalance,
     });
 }
        public void Standard(TransferOutput transferOutput)
        {
            var transferResponse = new
            {
                Amount          = transferOutput.Transaction.Amount,
                Description     = transferOutput.Transaction.Description,
                TransactionDate = transferOutput.Transaction.TransactionDate,
                UpdatedBalance  = transferOutput.UpdatedBalance,
            };

            ViewModel = new ObjectResult(transferResponse);
        }
Пример #9
0
        public void Standard(TransferOutput transferOutput)
        {
            var transferResponse = new
            {
                transferOutput.Transaction.Amount,
                transferOutput.Transaction.Description,
                transferOutput.Transaction.TransactionDate,
                transferOutput.UpdatedBalance
            };

            this.ViewModel = new ObjectResult(transferResponse);
        }
Пример #10
0
        public async Task Execute(TransferInput input)
        {
            IAccount originAccount = await _accountRepository.Get(input.OriginAccountId);

            if (originAccount == null)
            {
                _outputHandler.Error($"The account {input.OriginAccountId} does not exist or is already closed.");
                return;
            }

            IAccount destinationAccount = await _accountRepository.Get(input.DestinationAccountId);

            if (destinationAccount == null)
            {
                _outputHandler.Error($"The account {input.DestinationAccountId} does not exist or is already closed.");
                return;
            }

            IDebit  debit  = originAccount.Withdraw(_entityFactory, input.Amount);
            ICredit credit = destinationAccount.Deposit(_entityFactory, input.Amount);

            await _accountRepository.Update(originAccount, debit);

            await _accountRepository.Update(destinationAccount, credit);

            // Publish the event to the enterprice service bus
            await _serviceBus.PublishEventAsync(new Shared.Events.TransferCompleted()
            {
                OriginalAccountId = originAccount.Id, DestinationAccountId = destinationAccount.Id, Amount = input.Amount.ToMoney().ToDecimal()
            });

            await _unitOfWork.Save();

            TransferOutput output = new TransferOutput(
                debit,
                originAccount.GetCurrentBalance(),
                input.OriginAccountId,
                input.DestinationAccountId);

            _outputHandler.Default(output);
        }
Пример #11
0
        private JObject SendMany(UInt160 from, JArray to, Fixed8 fee, UInt160 change_address)
        {
            CheckWallet();
            if (to.Count == 0)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            TransferOutput[] outputs = new TransferOutput[to.Count];
            for (int i = 0; i < to.Count; i++)
            {
                UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                outputs[i] = new TransferOutput
                {
                    AssetId    = asset_id,
                    Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                    ScriptHash = to[i]["address"].AsString().ToScriptHash()
                };
                if (outputs[i].Value.Sign <= 0)
                {
                    throw new RpcException(-32602, "Invalid params");
                }
            }
            if (fee < Fixed8.Zero)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            Transaction tx = Wallet.MakeTransaction(null, outputs, from: from, change_address: change_address, fee: fee);

            if (tx.Size > 1024)
            {
                fee += Fixed8.FromDecimal(tx.Size * 0.00001m + 0.001m);
                tx   = Wallet.MakeTransaction(null, outputs, from: from, change_address: change_address, fee: fee);
            }
            if (tx == null)
            {
                throw new RpcException(-300, "Insufficient funds");
            }
            return(SignAndRelay(tx));
        }
 public void Default(TransferOutput output)
 {
     Transfers.Add(output);
 }
Пример #13
0
        private JObject SendMany(JArray _params)
        {
            CheckWallet();
            int     to_start = 0;
            UInt160 from     = null;

            if (_params[0] is JString)
            {
                from     = _params[0].AsString().ToScriptHash();
                to_start = 1;
            }
            JArray to = (JArray)_params[to_start];

            if (to.Count == 0)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            TransferOutput[] outputs = new TransferOutput[to.Count];
            for (int i = 0; i < to.Count; i++)
            {
                UInt160         asset_id   = UInt160.Parse(to[i]["asset"].AsString());
                AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                outputs[i] = new TransferOutput
                {
                    AssetId    = asset_id,
                    Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                    ScriptHash = to[i]["address"].AsString().ToScriptHash()
                };
                if (outputs[i].Value.Sign <= 0)
                {
                    throw new RpcException(-32602, "Invalid params");
                }
            }
            Transaction tx = wallet.MakeTransaction(outputs, from);

            if (tx == null)
            {
                throw new RpcException(-300, "Insufficient funds");
            }

            ContractParametersContext transContext = new ContractParametersContext(tx);

            wallet.Sign(transContext);
            if (!transContext.Completed)
            {
                return(transContext.ToJson());
            }
            tx.Witnesses = transContext.GetWitnesses();
            if (tx.Size > 1024)
            {
                long calFee = tx.Size * 1000 + 100000;
                if (tx.NetworkFee < calFee)
                {
                    tx.NetworkFee = calFee;
                }
            }
            if (tx.NetworkFee > settings.MaxFee)
            {
                throw new RpcException(-301, "The necessary fee is more than the Max_fee, this transaction is failed. Please increase your Max_fee value.");
            }
            return(SignAndRelay(tx));
        }
Пример #14
0
 public void Standard(TransferOutput output)
 {
     this.Transfers.Add(output);
 }
Пример #15
0
        private JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "unlock":
                if (wallet == null)
                {
                    return("wallet is null.");
                }

                if (_params.Count < 2)
                {
                    return("parameter is error.");
                }
                string password = _params[0].AsString();
                int    duration = (int)_params[1].AsNumber();

                bool   ok     = walletTimeLock.UnLock(password, duration);
                string result = ok ? "successfully" : "failed";
                return($"Wallet unlocked  {result}.");

            case "dumpprivkey":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = _params[0].AsString().ToScriptHash();
                    WalletAccount account    = wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "getaccountstate":
            {
                UInt160      script_hash = _params[0].AsString().ToScriptHash();
                AccountState account     = Blockchain.Singleton.Store.GetAccounts().TryGet(script_hash) ?? new AccountState(script_hash);
                return(account.ToJson());
            }

            case "getassetstate":
            {
                UInt256    asset_id = UInt256.Parse(_params[0].AsString());
                AssetState asset    = Blockchain.Singleton.Store.GetAssets().TryGet(asset_id);
                return(asset?.ToJson() ?? throw new RpcException(-100, "Unknown asset"));
            }

            case "getbalance":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    JObject json = new JObject();
                    switch (UIntBase.Parse(_params[0].AsString()))
                    {
                    case UInt160 asset_id_160:         //BRC5 balance
                        json["balance"] = wallet.GetAvailable(asset_id_160).ToString();
                        break;

                    case UInt256 asset_id_256:         //Global Assets balance
                        IEnumerable <Coin> coins = wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                        json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        break;
                    }
                    return(json);
                }

            case "getbestblockhash":
                return(Blockchain.Singleton.CurrentBlockHash.ToString());

            case "getblock":
            {
                Block block;
                if (_params[0] is JNumber)
                {
                    uint index = (uint)_params[0].AsNumber();
                    block = Blockchain.Singleton.Store.GetBlock(index);
                }
                else
                {
                    UInt256 hash = UInt256.Parse(_params[0].AsString());
                    block = Blockchain.Singleton.Store.GetBlock(hash);
                }
                if (block == null)
                {
                    throw new RpcException(-100, "Unknown block");
                }
                bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                if (verbose)
                {
                    JObject json = block.ToJson();
                    json["confirmations"] = Blockchain.Singleton.Height - block.Index + 1;
                    UInt256 hash = Blockchain.Singleton.Store.GetNextBlockHash(block.Hash);
                    if (hash != null)
                    {
                        json["nextblockhash"] = hash.ToString();
                    }
                    return(json);
                }
                return(block.ToArray().ToHexString());
            }

            case "getblockcount":
                return(Blockchain.Singleton.Height + 1);

            case "getblockhash":
            {
                uint height = (uint)_params[0].AsNumber();
                if (height <= Blockchain.Singleton.Height)
                {
                    return(Blockchain.Singleton.GetBlockHash(height).ToString());
                }
                throw new RpcException(-100, "Invalid Height");
            }

            case "getblockheader":
            {
                Header header;
                if (_params[0] is JNumber)
                {
                    uint height = (uint)_params[0].AsNumber();
                    header = Blockchain.Singleton.Store.GetHeader(height);
                }
                else
                {
                    UInt256 hash = UInt256.Parse(_params[0].AsString());
                    header = Blockchain.Singleton.Store.GetHeader(hash);
                }
                if (header == null)
                {
                    throw new RpcException(-100, "Unknown block");
                }

                bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                if (verbose)
                {
                    JObject json = header.ToJson();
                    json["confirmations"] = Blockchain.Singleton.Height - header.Index + 1;
                    UInt256 hash = Blockchain.Singleton.Store.GetNextBlockHash(header.Hash);
                    if (hash != null)
                    {
                        json["nextblockhash"] = hash.ToString();
                    }
                    return(json);
                }

                return(header.ToArray().ToHexString());
            }

            case "getblocksysfee":
            {
                uint height = (uint)_params[0].AsNumber();
                if (height <= Blockchain.Singleton.Height)
                {
                    return(Blockchain.Singleton.Store.GetSysFeeAmount(height).ToString());
                }
                throw new RpcException(-100, "Invalid Height");
            }

            case "getconnectioncount":
                return(LocalNode.Singleton.ConnectedCount);

            case "getcontractstate":
            {
                UInt160       script_hash = UInt160.Parse(_params[0].AsString());
                ContractState contract    = Blockchain.Singleton.Store.GetContracts().TryGet(script_hash);
                return(contract?.ToJson() ?? throw new RpcException(-100, "Unknown contract"));
            }

            case "getnewaddress":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    WalletAccount account = wallet.CreateAccount();
                    if (wallet is BRC6Wallet BRC6)
                    {
                        BRC6.Save();
                    }
                    return(account.Address);
                }

            case "getpeers":
            {
                JObject json = new JObject();
                json["unconnected"] = new JArray(LocalNode.Singleton.GetUnconnectedPeers().Select(p =>
                    {
                        JObject peerJson    = new JObject();
                        peerJson["address"] = p.Address.ToString();
                        peerJson["port"]    = p.Port;
                        return(peerJson);
                    }));
                json["bad"]       = new JArray();   //badpeers has been removed
                json["connected"] = new JArray(LocalNode.Singleton.GetRemoteNodes().Select(p =>
                    {
                        JObject peerJson    = new JObject();
                        peerJson["address"] = p.Remote.Address.ToString();
                        peerJson["port"]    = p.ListenerPort;
                        return(peerJson);
                    }));
                return(json);
            }

            case "getrawmempool":
                return(new JArray(Blockchain.Singleton.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));

            case "getrawtransaction":
            {
                UInt256     hash    = UInt256.Parse(_params[0].AsString());
                bool        verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                Transaction tx      = Blockchain.Singleton.GetTransaction(hash);
                if (tx == null)
                {
                    throw new RpcException(-100, "Unknown transaction");
                }
                if (verbose)
                {
                    JObject json   = tx.ToJson();
                    uint?   height = Blockchain.Singleton.Store.GetTransactions().TryGet(hash)?.BlockIndex;
                    if (height != null)
                    {
                        Header header = Blockchain.Singleton.Store.GetHeader((uint)height);
                        json["blockhash"]     = header.Hash.ToString();
                        json["confirmations"] = Blockchain.Singleton.Height - header.Index + 1;
                        json["blocktime"]     = header.Timestamp;
                    }
                    return(json);
                }
                return(tx.ToArray().ToHexString());
            }

            case "getstorage":
            {
                UInt160     script_hash = UInt160.Parse(_params[0].AsString());
                byte[]      key         = _params[1].AsString().HexToBytes();
                StorageItem item        = Blockchain.Singleton.Store.GetStorages().TryGet(new StorageKey
                    {
                        ScriptHash = script_hash,
                        Key        = key
                    }) ?? new StorageItem();
                return(item.Value?.ToHexString());
            }

            case "gettxout":
            {
                UInt256 hash  = UInt256.Parse(_params[0].AsString());
                ushort  index = (ushort)_params[1].AsNumber();
                return(Blockchain.Singleton.Store.GetUnspent(hash, index)?.ToJson(index));
            }

            case "createaddress":
            {
                byte[] privateKey = new byte[32];
                using (RandomNumberGenerator rng = RandomNumberGenerator.Create())
                {
                    rng.GetBytes(privateKey);

                    KeyPair key    = new KeyPair(privateKey);
                    byte[]  pubkey = Contract.CreateSignatureRedeemScript(key.PublicKey);

                    JObject json = new JObject();
                    json["address"] = pubkey.ToScriptHash().ToAddress();
                    json["pubkey"]  = key.PublicKey.EncodePoint(true).ToHexString();
                    json["prikey"]  = key.PrivateKey.ToHexString();
                    json["wif"]     = key.Export();
                    json["script"]  = pubkey.ToHexString();
                    return(json);
                }
            }

            case "getutxos":
            {
                UInt160      script_hash = _params[0].AsString().ToScriptHash();
                AccountState account     = Blockchain.Singleton.Store.GetAccounts().TryGet(script_hash) ?? new AccountState(script_hash);
                return(account.ToJson());
            }

            case "getvalidators":
                using (Snapshot snapshot = Blockchain.Singleton.GetSnapshot())
                {
                    var validators = snapshot.GetValidators();
                    return(snapshot.GetEnrollments().Select(p =>
                    {
                        JObject validator = new JObject();
                        validator["publickey"] = p.PublicKey.ToString();
                        validator["votes"] = p.Votes.ToString();
                        validator["active"] = validators.Contains(p.PublicKey);
                        return validator;
                    }).ToArray());
                }

            case "getversion":
            {
                JObject json = new JObject();
                json["port"]      = LocalNode.Singleton.ListenerPort;
                json["nonce"]     = LocalNode.Nonce;
                json["useragent"] = LocalNode.UserAgent;
                return(json);
            }

            case "getwalletheight":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    return((wallet.WalletHeight > 0) ? wallet.WalletHeight - 1 : 0);
                }

            case "invoke":
            {
                UInt160             script_hash = UInt160.Parse(_params[0].AsString());
                ContractParameter[] parameters  = ((JArray)_params[1]).Select(p => ContractParameter.FromJson(p)).ToArray();
                byte[] script;
                using (ScriptBuilder sb = new ScriptBuilder())
                {
                    script = sb.EmitAppCall(script_hash, parameters).ToArray();
                }
                return(GetInvokeResult(script));
            }

            case "invokefunction":
            {
                UInt160             script_hash = UInt160.Parse(_params[0].AsString());
                string              operation   = _params[1].AsString();
                ContractParameter[] args        = _params.Count >= 3 ? ((JArray)_params[2]).Select(p => ContractParameter.FromJson(p)).ToArray() : new ContractParameter[0];
                byte[]              script;
                using (ScriptBuilder sb = new ScriptBuilder())
                {
                    script = sb.EmitAppCall(script_hash, operation, args).ToArray();
                }
                return(GetInvokeResult(script));
            }

            case "invokescript":
            {
                byte[] script = _params[0].AsString().HexToBytes();
                return(GetInvokeResult(script));
            }

            case "listaddress":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    return(wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = _params[1].AsString().ToScriptHash();
                    UInt160         to         = _params[2].AsString().ToScriptHash();
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? _params[5].AsString().ToScriptHash() : null;
                    string      remark         = _params.Count >= 7 ? _params[6].AsString() : null;
                    Transaction tx             = wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    AddRemak(remark, tx);
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "transfer":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = _params[1].AsString().ToScriptHash();
                    UInt160         to         = _params[2].AsString().ToScriptHash();
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? _params[5].AsString().ToScriptHash() : from;
                    string      remark         = _params.Count >= 7 ? _params[6].AsString() : null;
                    Transaction tx             = wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    AddRemak(remark, tx);
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = to[i]["address"].AsString().ToScriptHash()
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? _params[2].AsString().ToScriptHash() : null;
                    string      remark         = _params.Count >= 4 ? _params[3].AsString() : null;
                    Transaction tx             = wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    AddRemak(remark, tx);
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendrawtransaction":
            {
                Transaction       tx     = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
                RelayResultReason reason = system.Blockchain.Ask <RelayResultReason>(tx).Result;
                return(GetRelayResult(reason));
            }

            case "sendtoaddress":
                if (wallet == null || walletTimeLock.IsLocked())
                {
                    throw new RpcException(-400, "wallet is null or locked.");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = _params[1].AsString().ToScriptHash();
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? _params[4].AsString().ToScriptHash() : null;
                    string      remark         = _params.Count >= 6 ? _params[5].AsString() : null;
                    Transaction tx             = wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    AddRemak(remark, tx);
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "submitblock":
            {
                Block             block  = _params[0].AsString().HexToBytes().AsSerializable <Block>();
                RelayResultReason reason = system.Blockchain.Ask <RelayResultReason>(block).Result;
                return(GetRelayResult(reason));
            }

            case "validateaddress":
            {
                JObject json = new JObject();
                UInt160 scriptHash;
                try
                {
                    scriptHash = _params[0].AsString().ToScriptHash();
                }
                catch
                {
                    scriptHash = null;
                }
                json["address"] = _params[0];
                json["isvalid"] = scriptHash != null;
                return(json);
            }

            /*
             * case "backupwallet":
             *  if (wallet == null || walletTimeLock.IsLocked())
             *      throw new RpcException(-400, "wallet is null or locked.");
             *  else
             *  {
             *      return BackupWallet();
             *  }
             *
             * case "backupwallettosqlite":
             *  if (wallet == null)
             *      throw new RpcException(-400, "Access denied");
             *  else
             *  {
             *      try
             *      {
             *          string path = ((Bhp.Wallets.BRC6.BRC6Wallet)wallet).Path;
             *          string WalletName = _params.Count >= 1 ? _params[0].AsString().Trim() : path.Substring(path.LastIndexOf("\\") + 1).Trim();
             *
             *          int nIndex = WalletName.LastIndexOf('.');
             *          if (nIndex >= 0)
             *          {
             *              WalletName = WalletName.Substring(0, nIndex).Trim();
             *          }
             *          else
             *          {
             *              WalletName = WalletName.Trim();
             *          }
             *          return "Backup Wallet Success! Name:" + SQLiteOperateForBackupWallet.BackupWalletToSQLite(WifToList(), WalletName);
             *      }
             *      catch (Exception ex)
             *      {
             *          throw new Exception(ex.ToString());
             *          //throw new RpcException(-401, "SQLite Exception");
             *      }
             *  }
             *
             * case "recoverwalletfromsqlite":
             *  if (wallet == null)
             *      throw new RpcException(-400, "Access denied");
             *  else
             *  {
             *      if (_params.Count == 0)
             *      {
             *          return "Please Input BackupWalletName";
             *      }
             *      string BackWalletName = _params[0].AsString().Trim();
             *      //System.IO.Path.GetExtension(BackWalletName)
             *
             *      string FileName = "";//不含后缀
             *      int nIndex = BackWalletName.LastIndexOf('.');
             *      if (nIndex >= 0)
             *      {
             *          FileName = BackWalletName.Substring(0, nIndex) + ".sqlite";
             *      }
             *      else
             *      {
             *          FileName = BackWalletName + ".sqlite";
             *      }
             *      List<string> wifs = SQLiteOperateForBackupWallet.RecoverWalletFromSQLite(FileName);
             *      foreach (string wif in wifs)
             *      {
             *          WalletAccount account;
             *          try
             *          {
             *              account = wallet.Import(wif);
             *          }
             *          catch (FormatException)
             *          {
             *              continue;
             *          }
             *      }
             *      if (wallet is BRC6Wallet walletBrc6)
             *          walletBrc6.Save();
             *      return "Recover Wallet Success";
             *  }
             *
             * case "closewallet":
             *  if (wallet == null)
             *      throw new RpcException(-400, "Access denied");
             *  else
             *  {
             *      if (wallet is IDisposable disposable)
             *      {
             *          disposable.Dispose();
             *          wallet = null;
             *      }
             *      return "Close Wallet Success";
             *  }
             */
            default:
                throw new RpcException(-32601, "Method not found");
            }
        }
Пример #16
0
        protected override JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "":
            case "getapplicationlog":
            {
                UInt256 hash = UInt256.Parse(_params[0].AsString());
                string  path = Path.Combine(Settings.Default.Paths.ApplicationLogs, $"{hash}.json");
                return(File.Exists(path)
                            ? JObject.Parse(File.ReadAllText(path))
                            : throw new RpcException(-100, "Unknown transaction"));
            }

            case "balance":     // 使用address查询余额 AddCode
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json = new JObject();
                    if (_params.Count() == 1)
                    {
                        // 查询NEO和GAS资产
                        string address = _params[0].AsString();
                        try
                        {
                            Wallet.ToScriptHash(address);
                        } catch
                        {
                            json["code"]    = -1;
                            json["message"] = "NEO地址错误";
                            return(json);
                        }
                        IEnumerable <Coin> coins = Program.Wallet.GetCoins(address);
                        // NEO
                        var neoCoins = coins.Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(UInt256.Parse(Settings.Default.Asset.NEOAsset)));
                        json["balance"]   = neoCoins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = neoCoins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        // GAS
                        var gasCoins = coins.Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(UInt256.Parse(Settings.Default.Asset.GASAsset)));
                        json["gasbalance"]   = gasCoins.Sum(p => p.Output.Value).ToString();
                        json["gasconfirmed"] = gasCoins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        return(json);
                    }
                    else     // 查询指定资产余额
                    {
                        string address = _params[1].AsString();

                        switch (UIntBase.Parse(_params[0].AsString()))
                        {
                        case UInt160 asset_id_160:         //NEP-5 balance
                            json["balance"] = Program.Wallet.GetAvailable(asset_id_160, address).ToString();
                            break;

                        case UInt256 asset_id_256:         //Global Assets balance
                            IEnumerable <Coin> coins = Program.Wallet.GetCoins(address).Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                            json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                            json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                            break;
                        }
                        return(json);
                    }
                }

            case "getbalance":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json = new JObject();
                    switch (UIntBase.Parse(_params[0].AsString()))
                    {
                    case UInt160 asset_id_160:         //NEP-5 balance
                        json["balance"] = Program.Wallet.GetAvailable(asset_id_160).ToString();
                        break;

                    case UInt256 asset_id_256:         //Global Assets balance
                        IEnumerable <Coin> coins = Program.Wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                        json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        break;
                    }
                    return(json);
                }

            case "listaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return(Program.Wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = Wallet.ToScriptHash(_params[1].AsString());
                    UInt160         to         = Wallet.ToScriptHash(_params[2].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? Wallet.ToScriptHash(_params[5].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendfromto":     // 从指定账号向指定账号转账 AddCode
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    // 参数顺序  资产类型  输出账号  输入账号  输出金额  输出账号私钥  手续费    找零地址
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = Wallet.ToScriptHash(_params[1].AsString());
                    UInt160         to         = Wallet.ToScriptHash(_params[2].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    string          privatekey = _params[4].AsString();
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 6 ? Fixed8.Parse(_params[5].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 7 && !string.IsNullOrEmpty(_params[6].AsString()) ? Wallet.ToScriptHash(_params[6].AsString()) : from;// 找零地址
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    //File.AppendAllText("wallet.log", context.ScriptHashes.Count().ToString());
                    //Program.Wallet.Sign(context);
                    Program.Wallet.Sign(context, privatekey);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendtoaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = Wallet.ToScriptHash(_params[1].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? Wallet.ToScriptHash(_params[4].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = Wallet.ToScriptHash(to[i]["address"].AsString())
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? Wallet.ToScriptHash(_params[2].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "getnewaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = Program.Wallet.CreateAccount();
                    if (Program.Wallet is NEP6Wallet wallet)
                    {
                        wallet.Save();
                    }
                    return(account.Address);
                }

            case "newaddress":    // 创建一个账号 AddCode
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = Program.Wallet.CreateAccount();
                    if (Program.Wallet is NEP6Wallet wallet)
                    {
                        wallet.Save();
                    }
                    return(account.OutputJson());
                }

            case "dumpprivkey":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = Wallet.ToScriptHash(_params[0].AsString());
                    WalletAccount account    = Program.Wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "invoke":    // 使用给定的参数以散列值调用智能合约
            case "invokefunction":
            case "invokescript":
                JObject result = base.Process(method, _params);
                if (Program.Wallet != null)
                {
                    InvocationTransaction tx = new InvocationTransaction
                    {
                        Version = 1,
                        Script  = result["script"].AsString().HexToBytes(),
                        Gas     = Fixed8.Parse(result["gas_consumed"].AsString())
                    };
                    tx.Gas -= Fixed8.FromDecimal(10);
                    if (tx.Gas < Fixed8.Zero)
                    {
                        tx.Gas = Fixed8.Zero;
                    }
                    tx.Gas = tx.Gas.Ceiling();
                    tx     = Program.Wallet.MakeTransaction(tx);
                    if (tx != null)
                    {
                        ContractParametersContext context = new ContractParametersContext(tx);
                        Program.Wallet.Sign(context);
                        if (context.Completed)
                        {
                            tx.Scripts = context.GetScripts();
                        }
                        else
                        {
                            tx = null;
                        }
                    }
                    result["tx"] = tx?.ToArray().ToHexString();
                }
                return(result);

            default:
                return(base.Process(method, _params));
            }
        }
Пример #17
0
        protected override JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            //{"name":null,"version":"1.0","scrypt":{"n":16384,"r":8,"p":8},"accounts":[{"address":"AHGVqc2L3vbxG8N6t76oxg8ihdyxcqePB1","label":null,"isDefault":false,"lock":false,"key":"6PYMhaNsXjhGALn3XfEqwFLr3VsbCmgfr1WHMjaNgS5C9677L4KNoih46G","contract":{"script":"210331cef9faf71d85c4dd19911dd7d53815dc69056322f1db62a66df264e5f8ba8cac","parameters":[{"name":"signature","type":"Signature"}],"deployed":false},"extra":null},{"address":"ARBFVamaqvmyVjyN6P8V3tGeoZZJBZ7drP","label":null,"isDefault":false,"lock":false,"key":"6PYSMmydUaZCiYa6B8AgGJYDsXXfTmr1PdG27uWPkjtsdv4n3K2tbQ8WM1","contract":{"script":"2102ca41146dba006ef61e328e0735bdb46e76ee12f8feb94eec0f5cfb1bcf57ee17ac","parameters":[{"name":"signature","type":"Signature"}],"deployed":false},"extra":null},{"address":"AJ3uJEYBudv5ZFo2Eg6MFP1ZzimefzD8vZ","label":null,"isDefault":false,"lock":false,"key":"6PYWzN8pz45xxQu4wkQtn8GwvbfUhDS9iRBDgdLt5Vwd1RgkU6SAtuApuR","contract":{"script":"2103f4ca1a9ab97e8cdcd6349b72ff0914f5b70774a2c6927d4c0db1b2d733c696bcac","parameters":[{"name":"signature","type":"Signature"}],"deployed":false},"extra":null}],"extra":null}
            //将整个钱包的json作为一个串放进param
            // "{'jsonrpc': '2.0', 'method': 'openwallet', 'params': ["walllet-base64-json","password"],  'id': 1}"


            case "openwallet":
            {
                string oStr = Base64Decode(_params[0].AsString());
                //System.Console.WriteLine(_params[0].AsString());
                //System.Console.WriteLine(oStr);
                //JObject walletJson = _params[0];
                string password = Base64Decode(_params[1].AsString());

                string path = Directory.GetCurrentDirectory() + "\\" + "tmp.json";

                FileStream F = new FileStream("tmp.json", FileMode.OpenOrCreate, FileAccess.ReadWrite);
                F.SetLength(0);
                StreamWriter sw = new StreamWriter(F);
                //sw.Write(walletJson.AsString());
                sw.Write(oStr);
                sw.Flush();
                sw.Close();

                JObject json = new JObject();

                NEP6Wallet nep6wallet = new NEP6Wallet(path);
                try
                {
                    nep6wallet.Unlock(password);
                }
                catch (CryptographicException)
                {
                    System.Console.WriteLine($"failed to open wallet \"{path}\"");
                    File.Delete(path);
                    throw new RpcException(-400, "Access denied");
                }

                Program.Wallet = nep6wallet;

                File.Delete(path);         //打开后删除钱包文件
                return("0");
            }

            case "closewallet":
            {
                //对当前打开的钱包做校验
                // if(Program.Wallet != null)
                // {
                //     Base64Encode
                // }



                Program.Wallet = null;
                return("0");
            }

            case "getapplicationlog":
            {
                UInt256 hash = UInt256.Parse(_params[0].AsString());
                string  path = Path.Combine(Settings.Default.Paths.ApplicationLogs, $"{hash}.json");
                return(File.Exists(path)
                            ? JObject.Parse(File.ReadAllText(path))
                            : throw new RpcException(-100, "Unknown transaction"));
            }

            case "getbalance":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json = new JObject();
                    switch (UIntBase.Parse(_params[0].AsString()))
                    {
                    case UInt160 asset_id_160:         //NEP-5 balance
                        json["balance"] = Program.Wallet.GetAvailable(asset_id_160).ToString();
                        break;

                    case UInt256 asset_id_256:         //Global Assets balance
                        IEnumerable <Coin> coins = Program.Wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                        json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        break;
                    }
                    return(json);
                }

            case "listaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return(Program.Wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = Wallet.ToScriptHash(_params[1].AsString());
                    UInt160         to         = Wallet.ToScriptHash(_params[2].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? Wallet.ToScriptHash(_params[5].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendtoaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = Wallet.ToScriptHash(_params[1].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? Wallet.ToScriptHash(_params[4].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = Wallet.ToScriptHash(to[i]["address"].AsString())
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? Wallet.ToScriptHash(_params[2].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "getnewaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = Program.Wallet.CreateAccount();
                    if (Program.Wallet is NEP6Wallet wallet)
                    {
                        wallet.Save();
                    }
                    return(account.Address);
                }

            case "dumpprivkey":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = Wallet.ToScriptHash(_params[0].AsString());
                    WalletAccount account    = Program.Wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "invoke":
            case "invokefunction":
            case "invokescript":
                JObject result = base.Process(method, _params);
                if (Program.Wallet != null)
                {
                    InvocationTransaction tx = new InvocationTransaction
                    {
                        Version = 1,
                        Script  = result["script"].AsString().HexToBytes(),
                        Gas     = Fixed8.Parse(result["gas_consumed"].AsString())
                    };
                    tx.Gas -= Fixed8.FromDecimal(10);
                    if (tx.Gas < Fixed8.Zero)
                    {
                        tx.Gas = Fixed8.Zero;
                    }
                    tx.Gas = tx.Gas.Ceiling();
                    tx     = Program.Wallet.MakeTransaction(tx);
                    if (tx != null)
                    {
                        ContractParametersContext context = new ContractParametersContext(tx);
                        Program.Wallet.Sign(context);
                        if (context.Completed)
                        {
                            tx.Scripts = context.GetScripts();
                        }
                        else
                        {
                            tx = null;
                        }
                    }
                    result["tx"] = tx?.ToArray().ToHexString();
                }
                return(result);

            default:
                return(base.Process(method, _params));
            }
        }
Пример #18
0
        protected override JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "getbalance":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    UInt256            assetId = UInt256.Parse(_params[0].AsString());
                    IEnumerable <Coin> coins   = Program.Wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(assetId));
                    JObject            json    = new JObject();
                    json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                    json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                    return(json);
                }

            case "sendtoaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = Wallet.ToScriptHash(_params[1].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? Wallet.ToScriptHash(_params[4].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.SaveTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = Wallet.ToScriptHash(to[i]["address"].AsString())
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? Wallet.ToScriptHash(_params[2].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.SaveTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "getnewaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    KeyPair key = (KeyPair)Program.Wallet.CreateKey();
                    VerificationContract contract = Program.Wallet.GetContracts(key.PublicKeyHash).First(p => p.IsStandard);
                    return(contract.Address);
                }

            case "dumpprivkey":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160 scriptHash = Wallet.ToScriptHash(_params[0].AsString());
                    KeyPair key        = (KeyPair)Program.Wallet.GetKeyByScriptHash(scriptHash);
                    return(key.Export());
                }

            default:
                return(base.Process(method, _params));
            }
        }
Пример #19
0
        protected override JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "getapplicationlog":
            {
                UInt256 hash = UInt256.Parse(_params[0].AsString());
                string  path = Path.Combine(Settings.Default.Paths.ApplicationLogs, $"{hash}.json");
                return(File.Exists(path)
                            ? JObject.Parse(File.ReadAllText(path))
                            : throw new RpcException(-100, "Unknown transaction"));
            }

            case "getbalance":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json = new JObject();
                    switch (UIntBase.Parse(_params[0].AsString()))
                    {
                    case UInt160 asset_id_160:         //NEP-5 balance
                        json["balance"] = Program.Wallet.GetAvailable(asset_id_160).ToString();
                        break;

                    case UInt256 asset_id_256:         //Global Assets balance
                        IEnumerable <Coin> coins = Program.Wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                        json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        break;
                    }
                    return(json);
                }

            case "listaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return(Program.Wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = Wallet.ToScriptHash(_params[1].AsString());
                    UInt160         to         = Wallet.ToScriptHash(_params[2].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? Wallet.ToScriptHash(_params[5].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendtoaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = Wallet.ToScriptHash(_params[1].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? Wallet.ToScriptHash(_params[4].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = Wallet.ToScriptHash(to[i]["address"].AsString())
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? Wallet.ToScriptHash(_params[2].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "getnewaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = Program.Wallet.CreateAccount();
                    if (Program.Wallet is NEP6Wallet wallet)
                    {
                        wallet.Save();
                    }
                    return(account.Address);
                }

            case "dumpprivkey":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = Wallet.ToScriptHash(_params[0].AsString());
                    WalletAccount account    = Program.Wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "invoke":
            case "invokefunction":
            case "invokescript":
                JObject result = base.Process(method, _params);
                if (Program.Wallet != null)
                {
                    InvocationTransaction tx = new InvocationTransaction
                    {
                        Version = 1,
                        Script  = result["script"].AsString().HexToBytes(),
                        Gas     = Fixed8.Parse(result["gas_consumed"].AsString())
                    };
                    tx.Gas -= Fixed8.FromDecimal(10);
                    if (tx.Gas < Fixed8.Zero)
                    {
                        tx.Gas = Fixed8.Zero;
                    }
                    tx.Gas = tx.Gas.Ceiling();
                    tx     = Program.Wallet.MakeTransaction(tx);
                    if (tx != null)
                    {
                        ContractParametersContext context = new ContractParametersContext(tx);
                        Program.Wallet.Sign(context);
                        if (context.Completed)
                        {
                            tx.Scripts = context.GetScripts();
                        }
                        else
                        {
                            tx = null;
                        }
                    }
                    result["tx"] = tx?.ToArray().ToHexString();
                }
                return(result);

            case "getunclaimedgas":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json   = new JObject();
                    uint    height = Blockchain.Default.Height + 1;
                    Fixed8  unavailable;
                    try
                    {
                        unavailable = Blockchain.CalculateBonus(Program.Wallet.FindUnspentCoins().Where(p => p.Output.AssetId.Equals(Blockchain.GoverningToken.Hash)).Select(p => p.Reference), height);
                    }
                    catch (Exception)
                    {
                        unavailable = Fixed8.Zero;
                    }
                    json["unavailable"] = unavailable.ToString();
                    Fixed8 available = Blockchain.CalculateBonus(Program.Wallet.GetUnclaimedCoins().Select(p => p.Reference));
                    json["available"] = available.ToString();
                    return(json);
                }

            case "claimgas":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    Fixed8 availableBonus = Blockchain.CalculateBonus(Program.Wallet.GetUnclaimedCoins().Select(p => p.Reference));
                    if (availableBonus == Fixed8.Zero)
                    {
                        // no gas to claim
                        return(null);
                    }

                    CoinReference[] claims = Program.Wallet.GetUnclaimedCoins().Select(p => p.Reference).ToArray();
                    if (claims.Length == 0)
                    {
                        return(null);
                    }

                    ClaimTransaction tx = new ClaimTransaction
                    {
                        Claims     = claims,
                        Attributes = new TransactionAttribute[0],
                        Inputs     = new CoinReference[0],
                        Outputs    = new[]
                        {
                            new TransactionOutput
                            {
                                AssetId    = Blockchain.UtilityToken.Hash,
                                Value      = Blockchain.CalculateBonus(claims),
                                ScriptHash = Program.Wallet.GetChangeAddress()
                            }
                        }
                    };

                    ContractParametersContext context;
                    try
                    {
                        context = new ContractParametersContext(tx);
                    }
                    catch (InvalidOperationException)
                    {
                        // unsynchronized block
                        return(null);
                    }
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        context.Verifiable.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        bool relay_result = LocalNode.Relay(tx);

                        if (relay_result)
                        {
                            return(tx.ToJson());
                        }
                        else
                        {
                            throw new RpcException(-401, "Could not relay transaction");
                        }
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            default:
                return(base.Process(method, _params));
            }
        }
Пример #20
0
        protected override JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "getapplicationlog":
            {
                UInt256 hash = UInt256.Parse(_params[0].AsString());
                string  path = Path.Combine(Settings.Default.Paths.ApplicationLogs, $"{hash}.json");
                return(File.Exists(path)
                            ? JObject.Parse(File.ReadAllText(path))
                            : throw new RpcException(-100, "Unknown transaction"));
            }

            case "getbalance":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    UInt256            assetId = UInt256.Parse(_params[0].AsString());
                    IEnumerable <Coin> coins   = Program.Wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(assetId));
                    JObject            json    = new JObject();
                    json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                    json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                    return(json);
                }

            case "listaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return(Program.Wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = Wallet.ToScriptHash(_params[1].AsString());
                    UInt160         to         = Wallet.ToScriptHash(_params[2].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? Wallet.ToScriptHash(_params[5].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendtoaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = Wallet.ToScriptHash(_params[1].AsString());
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? Wallet.ToScriptHash(_params[4].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = Wallet.ToScriptHash(to[i]["address"].AsString())
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? Wallet.ToScriptHash(_params[2].AsString()) : null;
                    Transaction tx             = Program.Wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    Program.Wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Scripts = context.GetScripts();
                        Program.Wallet.ApplyTransaction(tx);
                        LocalNode.Relay(tx);
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "getnewaddress":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = Program.Wallet.CreateAccount();
                    if (Program.Wallet is NEP6Wallet wallet)
                    {
                        wallet.Save();
                    }
                    return(account.Address);
                }

            case "dumpprivkey":
                if (Program.Wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = Wallet.ToScriptHash(_params[0].AsString());
                    WalletAccount account    = Program.Wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "invoke":
            case "invokefunction":
            case "invokescript":
                JObject result = base.Process(method, _params);
                if (Program.Wallet != null)
                {
                    InvocationTransaction tx = new InvocationTransaction
                    {
                        Version = 1,
                        Script  = result["script"].AsString().HexToBytes(),
                        Gas     = Fixed8.Parse(result["gas_consumed"].AsString())
                    };
                    tx.Gas -= Fixed8.FromDecimal(10);
                    if (tx.Gas < Fixed8.Zero)
                    {
                        tx.Gas = Fixed8.Zero;
                    }
                    tx.Gas = tx.Gas.Ceiling();
                    tx     = Program.Wallet.MakeTransaction(tx);
                    if (tx != null)
                    {
                        ContractParametersContext context = new ContractParametersContext(tx);
                        Program.Wallet.Sign(context);
                        if (context.Completed)
                        {
                            tx.Scripts = context.GetScripts();
                        }
                        else
                        {
                            tx = null;
                        }
                    }
                    result["tx"] = tx?.ToArray().ToHexString();
                }
                return(result);

            default:
                return(base.Process(method, _params));
            }
        }
 /// <summary>
 /// Standard output.
 /// </summary>
 /// <param name="output">Output.</param>
 public void Standard(TransferOutput output)
 {
     this.ViewModel = new NoContentResult();
 }
Пример #22
0
        protected virtual JObject SendMany(JArray _params)
        {
            CheckWallet();
            int     to_start = 0;
            UInt160 from     = null;

            if (_params[0] is JString)
            {
                from     = AddressToScriptHash(_params[0].AsString(), system.Settings.AddressVersion);
                to_start = 1;
            }
            JArray to = (JArray)_params[to_start];

            if (to.Count == 0)
            {
                throw new RpcException(-32602, "Invalid params");
            }
            Signer[] signers = _params.Count >= to_start + 2 ? ((JArray)_params[to_start + 1]).Select(p => new Signer()
            {
                Account = AddressToScriptHash(p.AsString(), system.Settings.AddressVersion), Scopes = WitnessScope.CalledByEntry
            }).ToArray() : null;

            TransferOutput[] outputs = new TransferOutput[to.Count];
            using var snapshot = system.GetSnapshot();
            for (int i = 0; i < to.Count; i++)
            {
                UInt160         asset_id   = UInt160.Parse(to[i]["asset"].AsString());
                AssetDescriptor descriptor = new AssetDescriptor(snapshot, system.Settings, asset_id);
                outputs[i] = new TransferOutput
                {
                    AssetId    = asset_id,
                    Value      = new BigDecimal(BigInteger.Parse(to[i]["value"].AsString()), descriptor.Decimals),
                    ScriptHash = AddressToScriptHash(to[i]["address"].AsString(), system.Settings.AddressVersion)
                };
                if (outputs[i].Value.Sign <= 0)
                {
                    throw new RpcException(-32602, "Invalid params");
                }
            }
            Transaction tx = wallet.MakeTransaction(snapshot, outputs, from, signers);

            if (tx == null)
            {
                throw new RpcException(-300, "Insufficient funds");
            }

            ContractParametersContext transContext = new ContractParametersContext(snapshot, tx, settings.Network);

            wallet.Sign(transContext);
            if (!transContext.Completed)
            {
                return(transContext.ToJson());
            }
            tx.Witnesses = transContext.GetWitnesses();
            if (tx.Size > 1024)
            {
                long calFee = tx.Size * 1000 + 100000;
                if (tx.NetworkFee < calFee)
                {
                    tx.NetworkFee = calFee;
                }
            }
            if (tx.NetworkFee > settings.MaxFee)
            {
                throw new RpcException(-301, "The necessary fee is more than the Max_fee, this transaction is failed. Please increase your Max_fee value.");
            }
            return(SignAndRelay(snapshot, tx));
        }
Пример #23
0
        private JObject Process(string method, JArray _params)
        {
            switch (method)
            {
            case "dumpprivkey":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UInt160       scriptHash = _params[0].AsString().ToScriptHash();
                    WalletAccount account    = wallet.GetAccount(scriptHash);
                    return(account.GetKey().Export());
                }

            case "getaccountstate":
            {
                UInt160      script_hash = _params[0].AsString().ToScriptHash();
                AccountState account     = Blockchain.Singleton.Store.GetAccounts().TryGet(script_hash) ?? new AccountState(script_hash);
                return(account.ToJson());
            }

            case "getassetstate":
            {
                UInt256    asset_id = UInt256.Parse(_params[0].AsString());
                AssetState asset    = Blockchain.Singleton.Store.GetAssets().TryGet(asset_id);
                return(asset?.ToJson() ?? throw new RpcException(-100, "Unknown asset"));
            }

            case "getbalance":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    JObject json = new JObject();
                    switch (UIntBase.Parse(_params[0].AsString()))
                    {
                    case UInt160 asset_id_160:         //NEP-5 balance
                        json["balance"] = wallet.GetAvailable(asset_id_160).ToString();
                        break;

                    case UInt256 asset_id_256:         //Global Assets balance
                        IEnumerable <Coin> coins = wallet.GetCoins().Where(p => !p.State.HasFlag(CoinState.Spent) && p.Output.AssetId.Equals(asset_id_256));
                        json["balance"]   = coins.Sum(p => p.Output.Value).ToString();
                        json["confirmed"] = coins.Where(p => p.State.HasFlag(CoinState.Confirmed)).Sum(p => p.Output.Value).ToString();
                        break;
                    }
                    return(json);
                }

            case "getbestblockhash":
                return(Blockchain.Singleton.CurrentBlockHash.ToString());

            case "getblock":
            {
                Block block;
                if (_params[0] is JNumber)
                {
                    uint index = (uint)_params[0].AsNumber();
                    block = Blockchain.Singleton.Store.GetBlock(index);
                }
                else
                {
                    UInt256 hash = UInt256.Parse(_params[0].AsString());
                    block = Blockchain.Singleton.Store.GetBlock(hash);
                }
                if (block == null)
                {
                    throw new RpcException(-100, "Unknown block");
                }
                bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                if (verbose)
                {
                    JObject json = block.ToJson();
                    json["confirmations"] = Blockchain.Singleton.Height - block.Index + 1;
                    UInt256 hash = Blockchain.Singleton.Store.GetNextBlockHash(block.Hash);
                    if (hash != null)
                    {
                        json["nextblockhash"] = hash.ToString();
                    }
                    return(json);
                }
                return(block.ToArray().ToHexString());
            }

            case "getblockcount":
                return(Blockchain.Singleton.Height + 1);

            case "getblockhash":
            {
                uint height = (uint)_params[0].AsNumber();
                if (height <= Blockchain.Singleton.Height)
                {
                    return(Blockchain.Singleton.GetBlockHash(height).ToString());
                }
                throw new RpcException(-100, "Invalid Height");
            }

            case "getblockheader":
            {
                Header header;
                if (_params[0] is JNumber)
                {
                    uint height = (uint)_params[0].AsNumber();
                    header = Blockchain.Singleton.Store.GetHeader(height);
                }
                else
                {
                    UInt256 hash = UInt256.Parse(_params[0].AsString());
                    header = Blockchain.Singleton.Store.GetHeader(hash);
                }
                if (header == null)
                {
                    throw new RpcException(-100, "Unknown block");
                }

                bool verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                if (verbose)
                {
                    JObject json = header.ToJson();
                    json["confirmations"] = Blockchain.Singleton.Height - header.Index + 1;
                    UInt256 hash = Blockchain.Singleton.Store.GetNextBlockHash(header.Hash);
                    if (hash != null)
                    {
                        json["nextblockhash"] = hash.ToString();
                    }
                    return(json);
                }

                return(header.ToArray().ToHexString());
            }

            case "getblocksysfee":
            {
                uint height = (uint)_params[0].AsNumber();
                if (height <= Blockchain.Singleton.Height)
                {
                    return(Blockchain.Singleton.Store.GetSysFeeAmount(height).ToString());
                }
                throw new RpcException(-100, "Invalid Height");
            }

            case "getconnectioncount":
                return(LocalNode.Singleton.ConnectedCount);

            case "getcontractstate":
            {
                UInt160       script_hash = UInt160.Parse(_params[0].AsString());
                ContractState contract    = Blockchain.Singleton.Store.GetContracts().TryGet(script_hash);
                return(contract?.ToJson() ?? throw new RpcException(-100, "Unknown contract"));
            }

            case "getnewaddress":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    WalletAccount account = wallet.CreateAccount();
                    if (wallet is NEP6Wallet nep6)
                    {
                        nep6.Save();
                    }
                    return(account.Address);
                }

            case "getpeers":
            {
                JObject json = new JObject();
                json["unconnected"] = new JArray(LocalNode.Singleton.GetUnconnectedPeers().Select(p =>
                    {
                        JObject peerJson    = new JObject();
                        peerJson["address"] = p.Address.ToString();
                        peerJson["port"]    = p.Port;
                        return(peerJson);
                    }));
                json["bad"]       = new JArray();   //badpeers has been removed
                json["connected"] = new JArray(LocalNode.Singleton.GetRemoteNodes().Select(p =>
                    {
                        JObject peerJson    = new JObject();
                        peerJson["address"] = p.Remote.Address.ToString();
                        peerJson["port"]    = p.ListenerPort;
                        return(peerJson);
                    }));
                return(json);
            }

            case "getrawmempool":
                return(new JArray(Blockchain.Singleton.GetMemoryPool().Select(p => (JObject)p.Hash.ToString())));

            case "getrawtransaction":
            {
                UInt256     hash    = UInt256.Parse(_params[0].AsString());
                bool        verbose = _params.Count >= 2 && _params[1].AsBooleanOrDefault(false);
                Transaction tx      = Blockchain.Singleton.GetTransaction(hash);
                if (tx == null)
                {
                    throw new RpcException(-100, "Unknown transaction");
                }
                if (verbose)
                {
                    JObject json   = tx.ToJson();
                    uint?   height = Blockchain.Singleton.Store.GetTransactions().TryGet(hash)?.BlockIndex;
                    if (height != null)
                    {
                        Header header = Blockchain.Singleton.Store.GetHeader((uint)height);
                        json["blockhash"]     = header.Hash.ToString();
                        json["confirmations"] = Blockchain.Singleton.Height - header.Index + 1;
                        json["blocktime"]     = header.Timestamp;
                    }
                    return(json);
                }
                return(tx.ToArray().ToHexString());
            }

            case "getstorage":
            {
                UInt160     script_hash = UInt160.Parse(_params[0].AsString());
                byte[]      key         = _params[1].AsString().HexToBytes();
                StorageItem item        = Blockchain.Singleton.Store.GetStorages().TryGet(new StorageKey
                    {
                        ScriptHash = script_hash,
                        Key        = key
                    }) ?? new StorageItem();
                return(item.Value?.ToHexString());
            }

            case "gettxout":
            {
                UInt256 hash  = UInt256.Parse(_params[0].AsString());
                ushort  index = (ushort)_params[1].AsNumber();
                return(Blockchain.Singleton.Store.GetUnspent(hash, index)?.ToJson(index));
            }

            case "getvalidators":
                using (Snapshot snapshot = Blockchain.Singleton.GetSnapshot())
                {
                    var validators = snapshot.GetValidators();
                    return(snapshot.GetEnrollments().Select(p =>
                    {
                        JObject validator = new JObject();
                        validator["publickey"] = p.PublicKey.ToString();
                        validator["votes"] = p.Votes.ToString();
                        validator["active"] = validators.Contains(p.PublicKey);
                        return validator;
                    }).ToArray());
                }

            case "getversion":
            {
                JObject json = new JObject();
                json["port"]      = LocalNode.Singleton.ListenerPort;
                json["nonce"]     = LocalNode.Nonce;
                json["useragent"] = LocalNode.UserAgent;
                return(json);
            }

            case "getwalletheight":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return((wallet.WalletHeight > 0) ? wallet.WalletHeight - 1 : 0);
                }

            case "invoke":
            {
                UInt160             script_hash = UInt160.Parse(_params[0].AsString());
                ContractParameter[] parameters  = ((JArray)_params[1]).Select(p => ContractParameter.FromJson(p)).ToArray();
                byte[] script;
                using (ScriptBuilder sb = new ScriptBuilder())
                {
                    script = sb.EmitAppCall(script_hash, parameters).ToArray();
                }
                return(GetInvokeResult(script));
            }

            case "invokefunction":
            {
                UInt160             script_hash = UInt160.Parse(_params[0].AsString());
                string              operation   = _params[1].AsString();
                ContractParameter[] args        = _params.Count >= 3 ? ((JArray)_params[2]).Select(p => ContractParameter.FromJson(p)).ToArray() : new ContractParameter[0];
                byte[]              script;
                using (ScriptBuilder sb = new ScriptBuilder())
                {
                    script = sb.EmitAppCall(script_hash, operation, args).ToArray();
                }
                return(GetInvokeResult(script));
            }

            case "invokescript":
            {
                byte[] script = _params[0].AsString().HexToBytes();
                return(GetInvokeResult(script));
            }

            case "listaddress":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied.");
                }
                else
                {
                    return(wallet.GetAccounts().Select(p =>
                    {
                        JObject account = new JObject();
                        account["address"] = p.Address;
                        account["haskey"] = p.HasKey;
                        account["label"] = p.Label;
                        account["watchonly"] = p.WatchOnly;
                        return account;
                    }).ToArray());
                }

            case "sendfrom":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         from       = _params[1].AsString().ToScriptHash();
                    UInt160         to         = _params[2].AsString().ToScriptHash();
                    BigDecimal      value      = BigDecimal.Parse(_params[3].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 5 ? Fixed8.Parse(_params[4].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 6 ? _params[5].AsString().ToScriptHash() : null;
                    Transaction tx             = wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = to
                        }
                    }, from: from, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendmany":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    JArray to = (JArray)_params[0];
                    if (to.Count == 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    TransferOutput[] outputs = new TransferOutput[to.Count];
                    for (int i = 0; i < to.Count; i++)
                    {
                        UIntBase        asset_id   = UIntBase.Parse(to[i]["asset"].AsString());
                        AssetDescriptor descriptor = new AssetDescriptor(asset_id);
                        outputs[i] = new TransferOutput
                        {
                            AssetId    = asset_id,
                            Value      = BigDecimal.Parse(to[i]["value"].AsString(), descriptor.Decimals),
                            ScriptHash = to[i]["address"].AsString().ToScriptHash()
                        };
                        if (outputs[i].Value.Sign <= 0)
                        {
                            throw new RpcException(-32602, "Invalid params");
                        }
                    }
                    Fixed8 fee = _params.Count >= 2 ? Fixed8.Parse(_params[1].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 3 ? _params[2].AsString().ToScriptHash() : null;
                    Transaction tx             = wallet.MakeTransaction(null, outputs, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "sendrawtransaction":
            {
                Transaction tx = Transaction.DeserializeFrom(_params[0].AsString().HexToBytes());
                Neo.SmartContract.Debug.DumpInfo.RegNeedLog(tx.Hash);
                RelayResultReason reason = system.Blockchain.Ask <RelayResultReason>(tx).Result;
                return(GetRelayResult(reason));
            }

            case "sendtoaddress":
                if (wallet == null)
                {
                    throw new RpcException(-400, "Access denied");
                }
                else
                {
                    UIntBase        assetId    = UIntBase.Parse(_params[0].AsString());
                    AssetDescriptor descriptor = new AssetDescriptor(assetId);
                    UInt160         scriptHash = _params[1].AsString().ToScriptHash();
                    BigDecimal      value      = BigDecimal.Parse(_params[2].AsString(), descriptor.Decimals);
                    if (value.Sign <= 0)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    Fixed8 fee = _params.Count >= 4 ? Fixed8.Parse(_params[3].AsString()) : Fixed8.Zero;
                    if (fee < Fixed8.Zero)
                    {
                        throw new RpcException(-32602, "Invalid params");
                    }
                    UInt160     change_address = _params.Count >= 5 ? _params[4].AsString().ToScriptHash() : null;
                    Transaction tx             = wallet.MakeTransaction(null, new[]
                    {
                        new TransferOutput
                        {
                            AssetId    = assetId,
                            Value      = value,
                            ScriptHash = scriptHash
                        }
                    }, change_address: change_address, fee: fee);
                    if (tx == null)
                    {
                        throw new RpcException(-300, "Insufficient funds");
                    }
                    ContractParametersContext context = new ContractParametersContext(tx);
                    wallet.Sign(context);
                    if (context.Completed)
                    {
                        tx.Witnesses = context.GetWitnesses();
                        wallet.ApplyTransaction(tx);
                        system.LocalNode.Tell(new LocalNode.Relay {
                            Inventory = tx
                        });
                        return(tx.ToJson());
                    }
                    else
                    {
                        return(context.ToJson());
                    }
                }

            case "submitblock":
            {
                Block             block  = _params[0].AsString().HexToBytes().AsSerializable <Block>();
                RelayResultReason reason = system.Blockchain.Ask <RelayResultReason>(block).Result;
                return(GetRelayResult(reason));
            }

            case "validateaddress":
            {
                JObject json = new JObject();
                UInt160 scriptHash;
                try
                {
                    scriptHash = _params[0].AsString().ToScriptHash();
                }
                catch
                {
                    scriptHash = null;
                }
                json["address"] = _params[0];
                json["isvalid"] = scriptHash != null;
                return(json);
            }

            default:
                throw new RpcException(-32601, "Method not found");
            }
        }
 public void Standard(TransferOutput output) => this.TransferOutput = output;