static void Main(string[] args)
{
try
{
string root = Directory.GetCurrentDirectory();
string pluginFolder = TxBuilder.GetPluginsFolder(root);
if (pluginFolder == null)
{
Console.WriteLine("plugins subfolder not found");
return;
}
string progressId = "";
bool ignoreOldProgress = false;
if (args.Length > 0 && args[0].StartsWith(progressParamPrefix))
{
progressId = args[0].Substring(progressParamPrefix.Length);
if (progressId[0] == '*')
{
ignoreOldProgress = true;
progressId = progressId.Substring(1);
}
args = args.Skip(1).ToArray();
}
string progress = Path.Combine(pluginFolder, $"progress{progressId}.txt");
if (ignoreOldProgress)
{
File.Delete(progress);
}
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
args = File.ReadAllText(progress).Split();
}
else if (args.Length > 0)
{
File.WriteAllText(progress, string.Join(' ', args));
}
if (args.Length < 1)
{
Console.WriteLine("Usage: ccclient [-progress:[*]progressId] [-config:configFileName] [-txid] command [parameters]");
Console.WriteLine("commands:");
Console.WriteLine("sighash");
Console.WriteLine("tip [numBlocksBelow]");
Console.WriteLine("list Settings");
Console.WriteLine("list Wallets");
Console.WriteLine("list Addresses");
Console.WriteLine("list Transfers");
Console.WriteLine("list AskOrders");
Console.WriteLine("list BidOrders");
Console.WriteLine("list Offers");
Console.WriteLine("list DealOrders");
Console.WriteLine("list RepaymentOrders");
Console.WriteLine("show Balance sighash|0");
Console.WriteLine("show Address sighash|0 blockchain address network");
Console.WriteLine("show MatchingOrders sighash|0");
Console.WriteLine("show CurrentOffers sighash|0");
Console.WriteLine("show CreditHistory sighash|0");
Console.WriteLine("show NewDeals sighash|0");
Console.WriteLine("show Transfer sighash|0 orderId");
Console.WriteLine("show CurrentLoans sighash|0");
Console.WriteLine("show NewRepaymentOrders sighash|0");
Console.WriteLine("show CurrentRepaymentOrders sighash|0");
Console.WriteLine("creditcoin SendFunds amount sighash ");
Console.WriteLine("creditcoin RegisterAddress blockchain address network");
Console.WriteLine("creditcoin RegisterTransfer gain orderId txId");
Console.WriteLine("creditcoin AddAskOrder addressId amount interest maturity fee expiration");
Console.WriteLine("creditcoin AddBidOrder addressId amount interest maturity fee expiration");
Console.WriteLine("creditcoin AddOffer askOrderId bidOrderId expiration");
Console.WriteLine("creditcoin AddDealOrder offerId expiration");
Console.WriteLine("creditcoin CompleteDealOrder dealOrderId transferId");
Console.WriteLine("creditcoin LockDealOrder dealOrderId");
Console.WriteLine("creditcoin CloseDealOrder dealOrderId transferId");
Console.WriteLine("creditcoin Exempt dealOrderId transferId");
Console.WriteLine("creditcoin AddRepaymentOrder dealOrderId addressId amount expiration");
Console.WriteLine("creditcoin CompleteRepaymentOrder repaymentOrderId");
Console.WriteLine("creditcoin CloseRepaymentOrder repaymentOrderId transferId");
Console.WriteLine("creditcoin CollectCoins addressId amount txId");
Console.WriteLine("bitcoin RegisterTransfer gain orderId sourceTxId");
Console.WriteLine("ethereum RegisterTransfer gain orderId");
Console.WriteLine("ethereum CollectCoins amount");
return;
}
string configFile = null;
if (args.Length > 0 && args[0].StartsWith(configParamPrefix))
{
configFile = args[0].Substring(configParamPrefix.Length);
args = args.Skip(1).ToArray();
if (!File.Exists(configFile))
{
configFile = Path.Combine(pluginFolder, configFile);
if (!File.Exists(configFile))
{
Console.WriteLine("Cannot find the specified config file");
return;
}
}
}
bool txid = false;
if (args.Length > 0 && args[0].Equals(txidParam))
{
args = args.Skip(1).ToArray();
txid = true;
}
string action;
string[] command;
var builder = new ConfigurationBuilder()
.AddJsonFile("appsettings.json", true, false)
#if DEBUG
.AddJsonFile("appsettings.dev.json", true, false)
#endif
;
if (configFile != null)
{
builder.AddJsonFile(configFile, true, false);
}
IConfiguration config = builder.Build();
string creditcoinRestApiURL = config["creditcoinRestApiURL"];
if (!string.IsNullOrWhiteSpace(creditcoinRestApiURL))
{
creditcoinUrl = creditcoinRestApiURL;
}
Signer signer = getSigner(config);
if (args.Length < 1)
{
Console.WriteLine("Command is not provided");
return;
}
action = args[0].ToLower();
command = args.Skip(1).ToArray();
bool inProgress = false;
if (action.Equals("sighash"))
{
Console.WriteLine(TxBuilder.getSighash(signer));
}
else if (action.Equals("tip"))
{
BigInteger headIdx = GetHeadIdx();
if (command.Length == 1)
{
BigInteger num;
if (!BigInteger.TryParse(command[0], out num))
{
throw new Exception("Invalid numerics");
}
headIdx -= num;
}
Console.WriteLine(headIdx);
}
else if (action.Equals("list"))
{
if (command.Length > 2)
{
throw new Exception("1 or 2 parametersd expected");
}
string id = null;
if (command.Length == 2)
{
id = command[1];
}
if (command[0].Equals("settings", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.settingNamespace, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
Setting setting = Setting.Parser.ParseFrom(protobuf);
foreach (var entry in setting.Entries)
{
Console.WriteLine($"{entry.Key}: {entry.Value}");
}
}
});
}
else if (command[0].Equals("wallets", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.walletPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
Wallet wallet = Wallet.Parser.ParseFrom(protobuf);
Console.WriteLine($"wallet({objid}) amount:{wallet.Amount}");
}
});
}
else if (command[0].Equals("addresses", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.addressPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
Address address = Address.Parser.ParseFrom(protobuf);
Console.WriteLine($"address({objid}) blockchain:{address.Blockchain} value:{address.Value} network:{address.Network} sighash:{address.Sighash}");
}
});
}
else if (command[0].Equals("transfers", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.transferPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
Transfer transfer = Transfer.Parser.ParseFrom(protobuf);
Console.WriteLine($"transfer({objid}) blockchain:{transfer.Blockchain} srcAddress:{transfer.SrcAddress} dstAddress:{transfer.DstAddress} order:{transfer.Order} amount:{transfer.Amount} tx:{transfer.Tx} block:{transfer.Block} processed:{transfer.Processed} sighash:{transfer.Sighash}");
}
});
}
else if (command[0].Equals("askOrders", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.askOrderPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
AskOrder askOrder = AskOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"askOrder({objid}) blockchain:{askOrder.Blockchain} address:{askOrder.Address} amount:{askOrder.Amount} interest:{askOrder.Interest} maturity:{askOrder.Maturity} fee:{askOrder.Fee} expiration:{askOrder.Expiration} block:{askOrder.Block} sighash:{askOrder.Sighash}");
}
});
}
else if (command[0].Equals("bidOrders", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.bidOrderPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
BidOrder bidOrder = BidOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"bidOrder({objid}) blockchain:{bidOrder.Blockchain} address:{bidOrder.Address} amount:{bidOrder.Amount} interest:{bidOrder.Interest} maturity:{bidOrder.Maturity} fee:{bidOrder.Fee} expiration:{bidOrder.Expiration} block:{bidOrder.Block} sighash:{bidOrder.Sighash}");
}
});
}
else if (command[0].Equals("offers", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.offerPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
Offer offer = Offer.Parser.ParseFrom(protobuf);
Console.WriteLine($"offer({objid}) blockchain:{offer.Blockchain} askOrder:{offer.AskOrder} bidOrder:{offer.BidOrder} expiration:{offer.Expiration} block:{offer.Block}");
}
});
}
else if (command[0].Equals("dealOrders", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.dealOrderPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
DealOrder dealOrder = DealOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"dealOrder({objid}) blockchain:{dealOrder.Blockchain} srcAddress:{dealOrder.SrcAddress} dstAddress:{dealOrder.DstAddress} amount:{dealOrder.Amount} interest:{dealOrder.Interest} maturity:{dealOrder.Maturity} fee:{dealOrder.Fee} expiration:{dealOrder.Expiration} block:{dealOrder.Block} loanTransfer:{(dealOrder.LoanTransfer.Equals(string.Empty) ? "*" : dealOrder.LoanTransfer)} repaymentTransfer:{(dealOrder.RepaymentTransfer.Equals(string.Empty) ? "*" : dealOrder.RepaymentTransfer)} lock:{(dealOrder.Lock.Equals(string.Empty) ? "*" : dealOrder.Lock)} sighash:{dealOrder.Sighash}");
}
});
}
else if (command[0].Equals("repaymentOrders", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
if (id == null || id != null && id.Equals(objid))
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"repaymentOrder({objid}) blockchain:{repaymentOrder.Blockchain} srcAddress:{repaymentOrder.SrcAddress} dstAddress:{repaymentOrder.DstAddress} amount:{repaymentOrder.Amount} expiration:{repaymentOrder.Expiration} block:{repaymentOrder.Block} deal:{repaymentOrder.Deal} previousOwner:{(repaymentOrder.PreviousOwner.Equals(string.Empty)? "*": repaymentOrder.PreviousOwner)} transfer:{(repaymentOrder.Transfer.Equals(string.Empty) ? "*" : repaymentOrder.Transfer)} sighash:{repaymentOrder.Sighash}");
}
});
}
}
else if (action.Equals("show"))
{
bool success = true;
BigInteger headIdx = GetHeadIdx();
if (command.Length <= 1)
{
throw new Exception("1 or more parametersd expected");
}
string sighash;
if (command[1].Equals("0"))
{
sighash = TxBuilder.getSighash(signer);
}
else
{
sighash = command[1];
}
if (command[0].Equals("balance", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
string prefix = RpcHelper.creditCoinNamespace + RpcHelper.walletPrefix;
string id = prefix + sighash;
string amount = "0";
filter(prefix, (string objid, byte[] protobuf) =>
{
Wallet wallet = Wallet.Parser.ParseFrom(protobuf);
if (objid.Equals(id))
{
amount = wallet.Amount;
}
});
Console.WriteLine($"{amount}");
}
else if (command[0].Equals("address", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 5)
{
throw new Exception("5 parametersd expected");
}
var blockchain = command[2].ToLower();
var addr = command[3];
var network = command[4].ToLower();
filter(RpcHelper.creditCoinNamespace + RpcHelper.addressPrefix, (string objid, byte[] protobuf) =>
{
Address address = Address.Parser.ParseFrom(protobuf);
if (address.Sighash == sighash && address.Blockchain == blockchain && address.Value == addr && address.Network == network)
{
Console.WriteLine(objid);
}
});
}
else if (command[0].Equals("matchingOrders", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
var askOrders = new Dictionary <string, AskOrder>();
filter(RpcHelper.creditCoinNamespace + RpcHelper.askOrderPrefix, (string objid, byte[] protobuf) =>
{
AskOrder askOrder = AskOrder.Parser.ParseFrom(protobuf);
BigInteger block;
if (!BigInteger.TryParse(askOrder.Block, out block))
{
throw new Exception("Invalid numerics");
}
if (block + askOrder.Expiration > headIdx)
{
askOrders.Add(objid, askOrder);
}
});
var bidOrders = new Dictionary <string, BidOrder>();
filter(RpcHelper.creditCoinNamespace + RpcHelper.bidOrderPrefix, (string objid, byte[] protobuf) =>
{
BidOrder bidOrder = BidOrder.Parser.ParseFrom(protobuf);
BigInteger block;
if (!BigInteger.TryParse(bidOrder.Block, out block))
{
throw new Exception("Invalid numerics");
}
if (block + bidOrder.Expiration > headIdx)
{
bidOrders.Add(objid, bidOrder);
}
});
match(sighash, askOrders, bidOrders);
}
else if (command[0].Equals("currentOffers", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
var bidOrders = new Dictionary <string, BidOrder>();
filter(RpcHelper.creditCoinNamespace + RpcHelper.bidOrderPrefix, (string objid, byte[] protobuf) =>
{
BidOrder bidOrder = BidOrder.Parser.ParseFrom(protobuf);
bidOrders.Add(objid, bidOrder);
});
filter(RpcHelper.creditCoinNamespace + RpcHelper.offerPrefix, (string objid, byte[] protobuf) =>
{
Offer offer = Offer.Parser.ParseFrom(protobuf);
BidOrder bidOrder = bidOrders[offer.BidOrder];
if (bidOrder.Sighash == sighash)
{
BigInteger block;
if (!BigInteger.TryParse(offer.Block, out block))
{
throw new Exception("Invalid numerics");
}
if (block + offer.Expiration > headIdx)
{
Console.WriteLine(objid);
}
}
});
}
else if (command[0].Equals("creditHistory", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
filterDeals(null, sighash, (string dealAddress, DealOrder dealOrder) =>
{
var status = dealOrder.LoanTransfer.Equals(string.Empty) ? "NEW" : "COMPLETE";
if (!dealOrder.RepaymentTransfer.Equals(string.Empty))
{
status = "CLOSED";
}
Console.WriteLine($"status:{status}, amount:{dealOrder.Amount}, blockchain:{dealOrder.Blockchain}");
});
}
else if (command[0].Equals("newDeals", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
filterDeals(sighash, null, (string dealAddress, DealOrder dealOrder) =>
{
if (dealOrder.LoanTransfer.Equals(string.Empty))
{
BigInteger block;
if (!BigInteger.TryParse(dealOrder.Block, out block))
{
throw new Exception("Invalid numerics");
}
if (block + dealOrder.Expiration > headIdx)
{
Console.WriteLine(dealAddress);
}
}
});
}
else if (command[0].Equals("transfer", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 3)
{
throw new Exception("3 parametersd expected");
}
var orderId = command[2];
filter(RpcHelper.creditCoinNamespace + RpcHelper.transferPrefix, (string objid, byte[] protobuf) =>
{
Transfer transfer = Transfer.Parser.ParseFrom(protobuf);
if (transfer.Sighash == sighash && transfer.Order == orderId && !transfer.Processed)
{
Console.WriteLine(objid);
}
});
}
else if (command[0].Equals("currentLoans", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
filterDeals(null, sighash, (string dealAddress, DealOrder dealOrder) =>
{
if (!dealOrder.LoanTransfer.Equals(string.Empty) && dealOrder.RepaymentTransfer.Equals(string.Empty))
{
Console.WriteLine(dealAddress);
}
});
}
else if (command[0].Equals("newRepaymentOrders", StringComparison.OrdinalIgnoreCase))
{
if (command.Length != 2)
{
throw new Exception("2 parametersd expected");
}
var addresses = new Dictionary <string, Address>();
filter(RpcHelper.creditCoinNamespace + RpcHelper.addressPrefix, (string objid, byte[] protobuf) =>
{
Address address = Address.Parser.ParseFrom(protobuf);
addresses.Add(objid, address);
});
var dealOrders = new Dictionary <string, DealOrder>();
filter(RpcHelper.creditCoinNamespace + RpcHelper.dealOrderPrefix, (string objid, byte[] protobuf) =>
{
DealOrder dealOrder = DealOrder.Parser.ParseFrom(protobuf);
dealOrders.Add(objid, dealOrder);
});
filter(RpcHelper.creditCoinNamespace + RpcHelper.repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
DealOrder deal = dealOrders[repaymentOrder.Deal];
Address address = addresses[deal.SrcAddress];
if (repaymentOrder.Transfer.Equals(string.Empty) && repaymentOrder.PreviousOwner.Equals(string.Empty) && address.Sighash.Equals(sighash))
{
BigInteger block;
if (!BigInteger.TryParse(repaymentOrder.Block, out block))
{
throw new Exception("Invalid numerics");
}
if (block + repaymentOrder.Expiration > headIdx)
{
Console.WriteLine(objid);
}
}
});
}
else if (command[0].Equals("currentRepaymentOrders", StringComparison.OrdinalIgnoreCase))
{
filter(RpcHelper.creditCoinNamespace + RpcHelper.repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
if (repaymentOrder.Transfer.Equals(string.Empty) && !repaymentOrder.PreviousOwner.Equals(string.Empty) && repaymentOrder.Sighash.Equals(sighash))
{
Console.WriteLine(objid);
}
});
}
else
{
Console.WriteLine("Invalid command " + command[0]);
success = false;
}
if (success)
{
Console.WriteLine("Success");
}
}
else
{
var txBuilder = new TxBuilder(signer);
if (action.Equals("creditcoin"))
{
string msg;
var tx = txBuilder.BuildTx(command, out msg);
if (tx == null)
{
Debug.Assert(msg != null);
Console.WriteLine(msg);
}
else
{
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
Console.WriteLine(RpcHelper.CompleteBatch(httpClient, creditcoinUrl, "batches", content, txid));
}
}
else
{
var loader = new Loader <ICCClientPlugin>();
var msgs = new List <string>();
loader.Load(pluginFolder, msgs);
foreach (var msg in msgs)
{
Console.WriteLine(msg);
}
ICCClientPlugin plugin = loader.Get(action);
var pluginConfig = config.GetSection(action);
if (plugin == null)
{
Console.WriteLine("Error: Unknown action " + action);
}
else
{
string msg;
var settings = getSettings();
bool done = plugin.Run(txid, pluginConfig, httpClient, txBuilder, settings, progressId, pluginFolder, creditcoinUrl, command, out inProgress, out msg);
if (done)
{
if (msg == null)
{
msg = "Success";
}
Console.WriteLine(msg);
}
else
{
Console.WriteLine("Error: " + msg);
}
}
}
}
if (!inProgress)
{
File.Delete(progress);
}
}
catch (Exception x)
{
Console.WriteLine($"Error: unexpected failure - {x.Message}");
}
}
public bool Run(IConfiguration cfg, HttpClient httpClient, ITxBuilder txBuilder, Dictionary <string, string> settings, string pluginsFolder, string url, string[] command, out bool inProgress, out string msg)
{
Debug.Assert(command != null);
Debug.Assert(command.Length > 1);
if (command[0].Equals("registerTransfer", StringComparison.OrdinalIgnoreCase))
{
// ethereum RegisterTransfer registeredSourceId amount
string progress = Path.Combine(pluginsFolder, $"{name}_progress.txt");
inProgress = false;
Debug.Assert(command.Length == 3 || command.Length == 4);
string registeredSourceId = command[1];
string amountString = command[2];
bool erc20 = command.Length == 4;
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "ethereum.secret is not set";
return(false);
}
var ethereumPrivateKey = secret;
// TODO disable confirmation count config for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "ethereum.confirmationsCount is not set";
return(false);
}
if (!int.TryParse(confirmationsCount, out int confirmationsExpected))
{
msg = "ethereum.confirmationsCount is not an int";
return(false);
}
string rpcUrl = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcUrl))
{
msg = "ethereum.rpc is not set";
return(false);
}
var web3 = new Nethereum.Web3.Web3(rpcUrl);
string payTxId;
BigInteger fee;
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
var data = File.ReadAllText(progress).Split(':');
if (data.Length != 2)
{
msg = "Invalid progress data";
return(false);
}
payTxId = data[0];
if (!BigInteger.TryParse(data[1], out fee))
{
msg = "Invalid progress data";
return(false);
}
}
else
{
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{registeredSourceId}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
string destinationAddress;
if (!settings.TryGetValue("sawtooth.escrow." + name, out destinationAddress))
{
msg = "Escrow not found for " + name;
return(false);
}
BigInteger transferAmount;
if (!BigInteger.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
if (!address.Blockchain.Equals(name))
{
msg = $"ethereum RegisterTransfer can only transfer ether.\nThis source is registered for {address.Blockchain}";
return(false);
}
string sourceAddress = EthECKey.GetPublicAddress(ethereumPrivateKey);
if (!sourceAddress.Equals(address.Address_, StringComparison.OrdinalIgnoreCase))
{
msg = "The deal is for a different client";
return(false);
}
var txCount = web3.Eth.Transactions.GetTransactionCount.SendRequestAsync(sourceAddress).Result;
TransactionSigner signer = new TransactionSigner();
// TODO maybe add a y/n choice for user to decline or configurable gas price override
var gasPrice = web3.Eth.GasPrice.SendRequestAsync().Result;
Console.WriteLine("gasPrice: " + gasPrice.Value.ToString());
string to;
string data;
BigInteger amount;
HexBigInteger gasLimit;
if (erc20)
{
string creditcoinContract = cfg["creditcoinContract"];
string creditcoinContractAbi = cfg["creditcoinContractAbi"];
to = creditcoinContract;
var contract = web3.Eth.GetContract(creditcoinContractAbi, creditcoinContract);
var burn = contract.GetFunction("exchange");
var functionInput = new object[] { transferAmount, address.Sighash };
data = burn.GetData(functionInput);
gasLimit = burn.EstimateGasAsync(functionInput).Result;
fee = gasLimit.Value * gasPrice.Value;
amount = 0;
}
else
{
gasLimit = web3.Eth.Transactions.EstimateGas.SendRequestAsync(new Nethereum.RPC.Eth.DTOs.CallInput(registeredSourceId, destinationAddress, new Nethereum.Hex.HexTypes.HexBigInteger(transferAmount))).Result;
Console.WriteLine("gasLimit: " + gasLimit.Value.ToString());
fee = gasLimit.Value * gasPrice.Value;
to = destinationAddress;
data = address.Sighash;
amount = transferAmount + fee;
}
string txRaw = signer.SignTransaction(ethereumPrivateKey, to, amount, txCount, gasPrice, gasLimit, data);
payTxId = web3.Eth.Transactions.SendRawTransaction.SendRequestAsync("0x" + txRaw).Result;
Console.WriteLine("Ethereum Transaction ID: " + payTxId);
File.WriteAllText(progress, $"{payTxId}:{fee.ToString()}");
}
inProgress = true;
while (true)
{
var receipt = web3.Eth.TransactionManager.TransactionReceiptService.PollForReceiptAsync(payTxId).Result;
if (receipt.BlockNumber != null)
{
var blockNumber = web3.Eth.Blocks.GetBlockNumber.SendRequestAsync().Result;
if (blockNumber.Value - receipt.BlockNumber.Value >= confirmationsExpected)
{
break;
}
}
Thread.Sleep(1000);
}
File.Delete(progress);
inProgress = false;
command = new string[] { command[0], registeredSourceId, amountString, erc20 ? "0" : fee.ToString(), payTxId, erc20 ? "creditcoin" : "1" };
var tx = txBuilder.BuildTx(command, out msg);
if (tx == null)
{
return(false);
}
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, $"{url}/batches", content);
return(true);
}
else
{
inProgress = false;
msg = "Unknown command: " + command[0];
return(false);
}
}
public bool Run(bool txid, IConfiguration cfg, HttpClient httpClient, ITxBuilder txBuilder, Dictionary <string, string> settings, string progressId, string pluginsFolder, string url, string[] command, out bool inProgress, out string msg)
{
Debug.Assert(command != null);
if (command.Length < 2)
{
inProgress = false;
msg = "invalid parameter count";
return(false);
}
bool erc20 = command[0].Equals("collectCoins", StringComparison.OrdinalIgnoreCase);
if (erc20 || command[0].Equals("registerTransfer", StringComparison.OrdinalIgnoreCase))
{
// ethereum RegisterTransfer gain orderId
// ethereum CollectCoins amount
string progress = Path.Combine(pluginsFolder, $"{name}_progress{progressId}.txt");
inProgress = false;
if (erc20 && command.Length != 2 || !erc20 && command.Length != 3)
{
msg = "invalid parameter count";
return(false);
}
string gainString = "0";
string orderId = null;
string amountString = null;
if (erc20)
{
amountString = command[1];
}
else
{
gainString = command[1];
orderId = command[2];
}
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "ethereum.secret is not set";
return(false);
}
var ethereumPrivateKey = secret;
#if DEBUG
string confirmationsCount = cfg["confirmationsCount"];
if (int.TryParse(confirmationsCount, out int parsedCount))
{
mConfirmationsExpected = parsedCount;
}
#endif
string rpcUrl = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcUrl))
{
msg = "ethereum.rpc is not set";
return(false);
}
string ethSrcAddress = EthECKey.GetPublicAddress(ethereumPrivateKey);
var web3 = new Nethereum.Web3.Web3(rpcUrl);
string srcAddressId = null;
string dstAddressId = null;
if (!erc20)
{
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{orderId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
if (orderId.StartsWith(RpcHelper.creditCoinNamespace + RpcHelper.dealOrderPrefix))
{
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
if (gainString.Equals("0"))
{
srcAddressId = dealOrder.SrcAddress;
dstAddressId = dealOrder.DstAddress;
}
else
{
dstAddressId = dealOrder.SrcAddress;
srcAddressId = dealOrder.DstAddress;
}
amountString = dealOrder.Amount;
}
else if (orderId.StartsWith(RpcHelper.creditCoinNamespace + RpcHelper.repaymentOrderPrefix))
{
var repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
if (gainString.Equals("0"))
{
srcAddressId = repaymentOrder.SrcAddress;
dstAddressId = repaymentOrder.DstAddress;
}
else
{
dstAddressId = repaymentOrder.SrcAddress;
srcAddressId = repaymentOrder.DstAddress;
}
amountString = repaymentOrder.Amount;
}
else
{
msg = "unexpected referred order";
return(false);
}
}
string payTxId;
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
payTxId = File.ReadAllText(progress);
}
else
{
string ethDstAddress = null;
if (!erc20)
{
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{srcAddressId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
var srcAddress = Address.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{dstAddressId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
Address dstAddress = Address.Parser.ParseFrom(protobuf);
if (!srcAddress.Blockchain.Equals(name) || !dstAddress.Blockchain.Equals(name))
{
msg = $"ethereum RegisterTransfer can only transfer ether.\nThis source is registered for {srcAddress.Blockchain} and destination for {dstAddress.Blockchain}";
return(false);
}
ethDstAddress = dstAddress.Value;
if (!ethSrcAddress.Equals(srcAddress.Value, StringComparison.OrdinalIgnoreCase))
{
msg = "The deal is for a different client";
return(false);
}
}
BigInteger transferAmount;
if (!BigInteger.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
BigInteger gain;
if (!BigInteger.TryParse(gainString, out gain))
{
msg = "Invalid amount";
return(false);
}
transferAmount = transferAmount + gain;
if (transferAmount < 0)
{
msg = "Invalid amount";
return(false);
}
var txCount = web3.Eth.Transactions.GetTransactionCount.SendRequestAsync(ethSrcAddress).Result;
TransactionSigner signer = new TransactionSigner();
HexBigInteger gasPrice;
string gasPriceInGweiString = cfg["gasPriceInGwei"];
if (int.TryParse(gasPriceInGweiString, out int gasPriceOverride))
{
gasPrice = new HexBigInteger(Nethereum.Util.UnitConversion.Convert.ToWei(gasPriceOverride, Nethereum.Util.UnitConversion.EthUnit.Gwei));
}
else
{
gasPrice = web3.Eth.GasPrice.SendRequestAsync().Result;
}
Console.WriteLine("gasPrice: " + gasPrice.Value.ToString());
string to;
string data;
BigInteger amount;
HexBigInteger gasLimit;
if (erc20)
{
string creditcoinContract = cfg["creditcoinContract"];
string creditcoinContractAbi = cfg["creditcoinContractAbi"];
to = creditcoinContract;
var contract = web3.Eth.GetContract(creditcoinContractAbi, creditcoinContract);
var burn = contract.GetFunction("exchange");
var functionInput = new object[] { transferAmount, txBuilder.getSighash() };
data = burn.GetData(functionInput);
gasLimit = burn.EstimateGasAsync(functionInput).Result;
amount = 0;
}
else
{
gasLimit = web3.Eth.Transactions.EstimateGas.SendRequestAsync(new Nethereum.RPC.Eth.DTOs.CallInput(orderId, ethDstAddress, new Nethereum.Hex.HexTypes.HexBigInteger(transferAmount))).Result;
Console.WriteLine("gasLimit: " + gasLimit.Value.ToString());
to = ethDstAddress;
data = orderId;
amount = transferAmount;
}
string txRaw = signer.SignTransaction(ethereumPrivateKey, to, amount, txCount, gasPrice, gasLimit, data);
payTxId = web3.Eth.Transactions.SendRawTransaction.SendRequestAsync("0x" + txRaw).Result;
Console.WriteLine("Ethereum Transaction ID: " + payTxId);
File.WriteAllText(progress, $"{payTxId}");
}
inProgress = true;
while (true)
{
var receipt = web3.Eth.TransactionManager.TransactionReceiptService.PollForReceiptAsync(payTxId).Result;
if (receipt.BlockNumber != null)
{
var blockNumber = web3.Eth.Blocks.GetBlockNumber.SendRequestAsync().Result;
if (blockNumber.Value - receipt.BlockNumber.Value >= mConfirmationsExpected)
{
break;
}
}
Thread.Sleep(1000);
}
File.Delete(progress);
inProgress = false;
if (erc20)
{
command = new string[] { command[0], ethSrcAddress, amountString, payTxId };
}
else
{
command = new string[] { command[0], gainString, orderId, payTxId };
}
var tx = txBuilder.BuildTx(command, out msg);
if (tx == null)
{
return(false);
}
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, url, "batches", content, txid);
return(true);
}
else
{
inProgress = false;
msg = "Unknown command: " + command[0];
return(false);
}
}
public bool Run(IConfiguration cfg, string signerHexStr, string[] command, out string msg)
{
Debug.Assert(command != null);
Debug.Assert(command.Length > 0);
if (command[0].Equals("verify"))
{
Debug.Assert(command.Length == 7);
string txId = command[1];
string destinationAdressString = command[2];
string destinationAmount = command[3];
string sighash = command[4];
string sourceAddressString = command[5];
string networkId = command[6];
string rpcAddress = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcAddress))
{
msg = "bitcoin.rpc is not set";
return(false);
}
string credential = cfg["credential"];
if (string.IsNullOrWhiteSpace(credential))
{
msg = "bitcoin.credential is not set";
return(false);
}
// TODO disable confirmation customization for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "bitcoin.confirmationsCount is not set";
return(false);
}
var confirmationsExpected = 1;
if (!int.TryParse(confirmationsCount, out confirmationsExpected))
{
msg = "bitcoin.confirmationsCount is not an int";
return(false);
}
Network network = ((networkId == "1") ? Network.Main : Network.TestNet);
var rpcClient = new RPCClient(credential, new Uri(rpcAddress), network);
if (!uint256.TryParse(txId, out var transactionId))
{
msg = "Invalid transaction: transaction ID invalid";
return(false);
}
var transactionInfoResponse = rpcClient.GetRawTransactionInfo(transactionId);
if (transactionInfoResponse.Confirmations < confirmationsExpected)
{
msg = "Invalid transaction: not enough confirmations";
return(false);
}
if (transactionInfoResponse.Transaction.Outputs.Count < 2 || transactionInfoResponse.Transaction.Outputs.Count > 3)
{
msg = "Invalid transaction: unexpected amount of output";
return(false);
}
var destinationAddress = BitcoinAddress.Create(destinationAdressString, network);
var outputCoins = transactionInfoResponse.Transaction.Outputs.AsCoins();
var paymentCoin = outputCoins.SingleOrDefault(oc => oc.ScriptPubKey == destinationAddress.ScriptPubKey);
if (paymentCoin == null)
{
msg = "Invalid transaction: wrong destinationAdressString";
return(false);
}
if (paymentCoin.TxOut.Value.Satoshi.ToString() != destinationAmount.ToString())
{
msg = "Invalid transaction: wrong amount";
return(false);
}
var bytes = Encoding.UTF8.GetBytes(sighash);
var nullDataCoin = outputCoins.SingleOrDefault(oc => oc.ScriptPubKey == TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes));
if (nullDataCoin == null)
{
msg = "Invalid transaction: wrong sighash";
return(false);
}
if (nullDataCoin.TxOut.Value.CompareTo(Money.Zero) != 0)
{
msg = "Invalid transaction: expecting a message";
return(false);
}
var sourceAddress = BitcoinAddress.Create(sourceAddressString, network);
var input = transactionInfoResponse.Transaction.Inputs[0];
if (!Script.VerifyScript(input.ScriptSig, sourceAddress.ScriptPubKey, transactionInfoResponse.Transaction, 0))
{
msg = "Invalid transaction: wrong sourceAddressString";
return(false);
}
msg = null;
return(true);
}
else if (command[0].Equals("unlock"))
{
var ccSigner = new Signer(RpcHelper.HexToBytes(signerHexStr));
var txBuilder = new TxBuilder(ccSigner);
Debug.Assert(command.Length == 5);
string kind = command[1];
string addressFromString = command[2];
HttpClient httpClient = new HttpClient();
string txFrom;
string amountString;
string feeString;
string addressToString;
string networkId;
string ccCommand;
if (kind.Equals("funds"))
{
string dealOrderId = command[3];
string addressToUnlockFundsTo = command[4];
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{askOrder.TransferId}", out msg);
if (protobuf == null)
{
return(false);
}
var transfer = Transfer.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{addressToUnlockFundsTo}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
if (!askOrder.Sighash.Equals(address.Sighash))
{
msg = "The adress doesn't match the ask order";
return(false);
}
txFrom = transfer.Txid;
amountString = transfer.Amount;
feeString = transfer.Fee;
addressToString = address.Address_;
networkId = transfer.Network;
ccCommand = "UnlockFunds";
}
else if (kind.Equals("collateral"))
{
string repaymentOrderId = command[3];
string addressToUnlockCollateralsTo = command[4];
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrder.DealId}", out msg);
if (protobuf == null)
{
return(false);
}
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{askOrder.TransferId}", out msg);
if (protobuf == null)
{
return(false);
}
var transfer = Transfer.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{addressToUnlockCollateralsTo}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
if (!askOrder.Sighash.Equals(address.Sighash))
{
msg = "The adress doesn't match the ask order";
return(false);
}
txFrom = transfer.Txid;
amountString = transfer.Amount;
feeString = transfer.Fee;
addressToString = address.Address_;
networkId = transfer.Network;
ccCommand = "UnlockCollateral";
}
else
{
msg = "unknown unlock kind";
return(false);
}
string rpcAddress = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcAddress))
{
msg = "bitcoin.rpc is not set";
return(false);
}
string credential = cfg["credential"];
if (string.IsNullOrWhiteSpace(credential))
{
msg = "bitcoin.credential is not set";
return(false);
}
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "bitcoin.secret is not set";
return(false);
}
// TODO disable confirmation config for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "bitcoin.confirmationsCount is not set";
return(false);
}
var confirmationsExpected = 1;
if (!int.TryParse(confirmationsCount, out confirmationsExpected))
{
msg = "bitcoin.confirmationsCount is not an int";
return(false);
}
Network network = ((networkId == "1") ? Network.Main : Network.TestNet);
var rpcClient = new RPCClient(credential, new Uri(rpcAddress), network);
var transactionId = uint256.Parse(txFrom);
var bitcoinPrivateKey = new BitcoinSecret(secret);
if (bitcoinPrivateKey.Network != network)
{
msg = "Mismatching networks";
return(false);
}
var transactionResponse = rpcClient.GetRawTransaction(transactionId);
Money transferAmount;
if (!Money.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
if (!int.TryParse(feeString, out int fee))
{
msg = "bitcoin.fee is not an int";
return(false);
}
var receivedCoins = transactionResponse.Outputs.AsCoins();
OutPoint outPointToSpend = null;
TxOut outTxToSpend = null;
Money amount = null;
foreach (var coin in receivedCoins)
{
if (coin.TxOut.ScriptPubKey == bitcoinPrivateKey.ScriptPubKey)
{
outPointToSpend = coin.Outpoint;
outTxToSpend = coin.TxOut;
amount = (Money)coin.Amount;
if (amount.CompareTo(transferAmount + fee * 2) < 0)
{
msg = $"Invalid transaction - needed: {transferAmount}, has: {amount.ToString()}";
return(false);
}
break;
}
}
if (outPointToSpend == null)
{
msg = "Invalid transaction - no outputs that the client can spend";
return(false);
}
var addressFrom = BitcoinAddress.Create(addressFromString, network);
var addressTo = BitcoinAddress.Create(addressToString, network);
var bitcoinTransactionBuilder = new TransactionBuilder();
var transaction = bitcoinTransactionBuilder
.AddCoins(new Coin(outPointToSpend, outTxToSpend))
.AddKeys(bitcoinPrivateKey)
.Send(addressTo.ScriptPubKey, transferAmount)
.SendFees(new Money(fee, MoneyUnit.Satoshi))
.SetChange(addressFrom.ScriptPubKey)
.BuildTransaction(true);
if (!bitcoinTransactionBuilder.Verify(transaction))
{
msg = "failed verify transaction";
return(false);
}
uint256 payTxId;
try
{
payTxId = rpcClient.SendRawTransaction(transaction);
}
catch (RPCException e)
{
msg = $"failed to broadcast - error: {e.RPCCode}, reason: {e.RPCCodeMessage}";
return(false);
}
if (payTxId == null)
{
msg = "failed to broadcast - unknown error";
return(false);
}
while (true) //TODO: this may lock for a very long time or forever, fix ---------------------------------------------------------------------------------------------------------------------------------------
{
var transactionInfo = rpcClient.GetRawTransactionInfo(payTxId);
if (transactionInfo != null && transactionInfo.BlockHash != null && transactionInfo.Confirmations >= confirmationsExpected)
{
break;
}
Thread.Sleep(1000);
}
command = new string[] { ccCommand, command[3], command[4] };
var tx = txBuilder.BuildTx(command, out msg);
Debug.Assert(tx != null);
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, $"{creditcoinUrl}/batches", content);
}
msg = "Unknown command: " + command[0];
return(false);
}
private const int SKIP_TO_GET_60 = 512 / 8 * 2 - 60; // 512 - hash size, 8 - bits in byte, 2 - hex digits for byte, 60 - merkle address length (70) without namespace length (6) and prexix length (4)
static void Main(string[] args)
{
try
{
IConfiguration config = new ConfigurationBuilder()
.AddJsonFile("appsettings.json", true, false)
#if DEBUG
.AddJsonFile("appsettings.dev.json", true, false)
#endif
.Build();
string signerHexStr = config["signer"];
if (string.IsNullOrWhiteSpace(signerHexStr))
{
Console.WriteLine("Signer is not configured");
return;
}
var signer = new Signer(RpcHelper.HexToBytes(signerHexStr));
string creditcoinRestApiURL = config["creditcoinRestApiURL"];
if (!string.IsNullOrWhiteSpace(creditcoinRestApiURL))
{
creditcoinUrl = creditcoinRestApiURL;
}
string root = Directory.GetCurrentDirectory();
string folder = TxBuilder.GetPluginsFolder(root);
if (folder == null)
{
Console.WriteLine("plugins subfolder not found");
return;
}
string progress = Path.Combine(folder, "progress.txt");
string action;
string[] command;
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
args = File.ReadAllText(progress).Split();
}
else
{
File.WriteAllText(progress, string.Join(' ', args));
}
action = args[0].ToLower();
command = args.Skip(1).ToArray();
var txBuilder = new TxBuilder(signer);
var settings = new Dictionary <string, string>();
filter(settingNamespace, (string address, byte[] protobuf) =>
{
Setting setting = Setting.Parser.ParseFrom(protobuf);
foreach (var entry in setting.Entries)
{
settings.Add(entry.Key, entry.Value);
}
});
bool inProgress = false;
// API:
// list Settings|Wallets|Addresses|Transfers|AskOrders|BidOrders|DealOrders|RepaymentOrders|
// list Balance
// list Sighash
// list Address blockchain address
// list UnusedTransfers addressId amount
// list MatchingOrders
// list CreditHistory sighash
// list NewDeals
// list RunningDeals
// list NewRepaymentOrders
// creditcoin AddFunds amount sighash (creditcoin AddFunds 1000000 16de574ac8ac3067977df056ecff51345672d25d528303b3555ab2aa4cd5)
// AddFunds only works for a registered signer
// creditcoin SendFunds amount sighash (creditcoin SendFunds 200000 8704a4f77befea5c8082d414f98dc16e4ba82a0898422d031f41693260a0)
// creditcoin RegisterAddress blockchain address (creditcoin RegisterAddress bitcoin <BITCOIN-ADDRESS>)
// creditcoin AddAskOrder blockchain amount interest blockchain collateral fee expiration capitalLockTransferId (creditcoin AddAskOrder bitcoin 1000000 10 bitcoin 50 100 1565386152 <TRANSFER-ID>)
// creditcoin AddBidOrder blockchain amount interest blockchain collateral fee expiration (creditcoin AddAskOrder bitcoin 1000000 10 bitcoin 50 100 1565386152)
// creditcoin AddDealOrder askOrderId bidOrderId
// creditcoin CompleteDealOrder dealOrderId collateralLockTransferId
// creditcoin AddRepaymentOrder dealOrderId
// creditcoin CompleteRepaymentOrder repaymentOrderId transferId
// creditcoin CollectCoins transferId
// <blockchain> RegisterTransfer ...
// bitcoin RegisterTransfer registeredAddressId amount sourceTxId
// ethereum RegisterTransfer registeredAddressId amount [erc20]
// unlock Funds dealOrderId addressToUnlockFundsTo
// unlock Collateral repaymentOrderId addressToUnlockCollateralTo
if (action.Equals("unlock"))
{
string externalGatewayAddress;
if (!settings.TryGetValue("sawtooth.validator.gateway", out externalGatewayAddress))
{
Console.WriteLine("Error: external gateway is not configured");
}
else
{
if (!externalGatewayAddress.StartsWith("tcp://"))
{
externalGatewayAddress = "tcp://" + externalGatewayAddress;
}
bool success = true;
switch (command[0].ToLower())
{
case "funds":
Debug.Assert(command.Length == 3);
{
var dealOrderId = command[1].ToLower();
var addressToUnlockFundsTo = command[2].ToLower();
string msg;
string blockchain = null;
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrderId}", out msg);
if (protobuf != null)
{
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf != null)
{
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
blockchain = askOrder.Blockchain;
}
}
if (blockchain == null)
{
success = false;
Console.WriteLine("Error: " + msg);
}
else
{
string escrow;
if (!settings.TryGetValue("sawtooth.escrow." + blockchain, out escrow))
{
success = false;
Console.WriteLine("Error: escrow is not configured for " + blockchain);
}
else
{
using (var socket = new RequestSocket())
{
socket.Connect(externalGatewayAddress);
var request = $"{blockchain} unlock funds {escrow} {dealOrderId} {addressToUnlockFundsTo}";
socket.SendFrame(request);
string response = socket.ReceiveFrameString();
if (response != "good")
{
success = false;
Console.WriteLine("Error: failed to execute the global gateway command");
}
}
}
}
}
break;
case "collateral":
Debug.Assert(command.Length == 3);
{
var repaymentOrderId = command[1].ToLower();
var addressToUnlockCollateralsTo = command[2].ToLower();
string msg;
string blockchain = null;
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrderId}", out msg);
if (protobuf != null)
{
var repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrder.DealId}", out msg);
if (protobuf != null)
{
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf != null)
{
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
blockchain = askOrder.Blockchain;
}
}
}
if (blockchain == null)
{
success = false;
Console.WriteLine("Error: " + msg);
}
else
{
string escrow;
if (!settings.TryGetValue("sawtooth.escrow." + blockchain, out escrow))
{
success = false;
Console.WriteLine("Error: escrow is not configured for " + blockchain);
}
else
{
using (var socket = new RequestSocket())
{
socket.Connect(externalGatewayAddress);
var request = $"{blockchain} unlock collateral {escrow} {repaymentOrderId} {addressToUnlockCollateralsTo}";
socket.SendFrame(request);
string response = socket.ReceiveFrameString();
if (response != "good")
{
success = false;
Console.WriteLine("Error: failed to execute the global gateway command");
}
}
}
}
}
break;
}
if (success)
{
Console.WriteLine("Success");
}
}
}
else if (action.Equals("list"))
{
bool success = true;
if (command[0].Equals("settings", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(settingNamespace, (string objid, byte[] protobuf) =>
{
Setting setting = Setting.Parser.ParseFrom(protobuf);
foreach (var entry in setting.Entries)
{
Console.WriteLine($"{entry.Key}: {entry.Value}");
}
});
}
else if (command[0].Equals("wallets", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + walletPrefix, (string objid, byte[] protobuf) =>
{
Wallet wallet = Wallet.Parser.ParseFrom(protobuf);
Console.WriteLine($"wallet({objid}) amount:{wallet.Amount}");
});
}
else if (command[0].Equals("balance", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
{
string sighash = sha256(signer.GetPublicKey().ToHexString());
string prefix = creditCoinNamespace + walletPrefix;
string id = prefix + sighash;
filter(prefix, (string objid, byte[] protobuf) =>
{
Wallet wallet = Wallet.Parser.ParseFrom(protobuf);
if (objid.Equals(id))
{
Console.WriteLine($"balance for {sighash} is {wallet.Amount}");
}
});
}
}
else if (command[0].Equals("addresses", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + addressPrefix, (string objid, byte[] protobuf) =>
{
Address address = Address.Parser.ParseFrom(protobuf);
Console.WriteLine($"address({objid}) sighash:{address.Sighash}, blockchain: {address.Blockchain}, address:{address.Address_}");
});
}
else if (command[0].Equals("transfers", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + transferPrefix, (string objid, byte[] protobuf) =>
{
Transfer transfer = Transfer.Parser.ParseFrom(protobuf);
Console.WriteLine($"transfer({objid}) sighash:{transfer.Sighash}, blockchain: {transfer.Blockchain}, amount:{transfer.Amount}, fee:{transfer.Fee}, txid:{transfer.Txid}");
});
}
else if (command[0].Equals("askOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + askOrderPrefix, (string objid, byte[] protobuf) =>
{
AskOrder askOrder = AskOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"askOrder({objid}) sighash:{askOrder.Sighash}, blockchain: {askOrder.Blockchain}, amount:{askOrder.Amount}, interest:{askOrder.Interest}, collateralBlockchain:{askOrder.CollateralBlockchain}, collateral:{askOrder.Collateral}, fee:{askOrder.Fee}, expiration:{askOrder.Expiration}, transferId:{askOrder.TransferId}");
});
}
else if (command[0].Equals("bidOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + bidOrderPrefix, (string objid, byte[] protobuf) =>
{
BidOrder bidOrder = BidOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"bidOrder({objid}) sighash:{bidOrder.Sighash}, blockchain: {bidOrder.Blockchain}, amount:{bidOrder.Amount}, interest:{bidOrder.Interest}, collateralBlockchain:{bidOrder.CollateralBlockchain}, collateral:{bidOrder.Collateral}, fee:{bidOrder.Fee}, expiration:{bidOrder.Expiration}");
});
}
else if (command[0].Equals("dealOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + dealOrderPrefix, (string objid, byte[] protobuf) =>
{
DealOrder dealOrder = DealOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"dealOrder({objid}) askOrderId:{dealOrder.AskOrderId}, bidOrderId: {dealOrder.BidOrderId}, collateralTransferId:{dealOrder.CollateralTransferId}");
});
}
else if (command[0].Equals("repaymentOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
filter(creditCoinNamespace + repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
Console.WriteLine($"repaymentOrder({objid}) dealId:{repaymentOrder.DealId}, transferId:{repaymentOrder.TransferId}");
});
}
else if (command[0].Equals("sighash", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine(sha256(signer.GetPublicKey().ToHexString()));
}
else if (command[0].Equals("address", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 3);
var blockchain = command[1].ToLower();
var addr = command[2];
filter(creditCoinNamespace + addressPrefix, (string objid, byte[] protobuf) =>
{
Address address = Address.Parser.ParseFrom(protobuf);
if (address.Blockchain == blockchain && address.Address_ == addr)
{
Console.WriteLine(objid);
}
});
}
else if (command[0].Equals("unusedTransfers", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 3);
var addressId = command[1];
var amount = command[2];
var sighash = sha256(signer.GetPublicKey().ToHexString());
Address address = null;
filter(creditCoinNamespace + addressPrefix, (string objid, byte[] protobuf) =>
{
if (objid == addressId)
{
address = Address.Parser.ParseFrom(protobuf);
}
});
if (address == null)
{
Console.WriteLine("Invalid command " + command[0]);
success = false;
}
else
{
filter(creditCoinNamespace + transferPrefix, (string objid, byte[] protobuf) =>
{
Transfer transfer = Transfer.Parser.ParseFrom(protobuf);
if (transfer.Sighash == sighash && transfer.Orderid.Equals(string.Empty) && transfer.Blockchain == address.Blockchain && transfer.Amount == amount)
{
Console.WriteLine(objid);
}
});
}
}
else if (command[0].Equals("matchingOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
var askOrders = new Dictionary <string, AskOrder>();
filter(creditCoinNamespace + askOrderPrefix, (string objid, byte[] protobuf) =>
{
AskOrder askOrder = AskOrder.Parser.ParseFrom(protobuf);
askOrders.Add(objid, askOrder);
});
var bidOrders = new Dictionary <string, BidOrder>();
filter(creditCoinNamespace + bidOrderPrefix, (string objid, byte[] protobuf) =>
{
BidOrder bidOrder = BidOrder.Parser.ParseFrom(protobuf);
bidOrders.Add(objid, bidOrder);
});
match(signer, askOrders, bidOrders);
}
else if (command[0].Equals("creditHistory", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 2);
var fundraiser = command[1].ToLower();
filterDeals(null, fundraiser, (string dealAddress, DealOrder dealOrder, AskOrder askOrder, BidOrder bidOrder) =>
{
Debug.Assert(askOrder == null);
var status = dealOrder.CollateralTransferId.Equals(string.Empty) ? "INCOMPLETE" : "COMPLETE";
if (!dealOrder.UnlockCollateralDestinationAddressId.Equals(string.Empty))
{
status = "CLOSED";
}
else if (!dealOrder.UnlockFundsDestinationAddressId.Equals(string.Empty))
{
status = "ACTIVE";
}
Console.WriteLine($"status: {status}, amount:{bidOrder.Amount}, blockchain: {bidOrder.Blockchain}, collateral:{bidOrder.Collateral}");
});
}
else if (command[0].Equals("newDeals", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
var fundraiser = sha256(signer.GetPublicKey().ToHexString());
filterDeals(null, fundraiser, (string dealAddress, DealOrder dealOrder, AskOrder askOrder, BidOrder bidOrder) =>
{
Debug.Assert(askOrder == null);
if (dealOrder.CollateralTransferId.Equals(string.Empty))
{
Console.WriteLine(dealAddress);
}
});
}
else if (command[0].Equals("runningDeals", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
var investor = sha256(signer.GetPublicKey().ToHexString());
var deals = new List <string>();
filterDeals(investor, null, (string dealAddress, DealOrder dealOrder, AskOrder askOrder, BidOrder bidOrder) =>
{
Debug.Assert(bidOrder == null);
if (!dealOrder.CollateralTransferId.Equals(string.Empty) && dealOrder.UnlockCollateralDestinationAddressId.Equals(string.Empty))
{
deals.Add(dealAddress);
}
});
filter(creditCoinNamespace + repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
if (deals.SingleOrDefault(x => x.Equals(repaymentOrder.DealId)) != null)
{
deals.Remove(repaymentOrder.DealId);
}
});
foreach (var deal in deals)
{
Console.WriteLine(deal);
}
}
else if (command[0].Equals("newRepaymentOrders", StringComparison.OrdinalIgnoreCase))
{
Debug.Assert(command.Length == 1);
var fundraiser = sha256(signer.GetPublicKey().ToHexString());
var deals = new List <string>();
filterDeals(null, fundraiser, (string dealAddress, DealOrder dealOrder, AskOrder askOrder, BidOrder bidOrder) =>
{
Debug.Assert(askOrder == null);
if (!dealOrder.CollateralTransferId.Equals(string.Empty) && dealOrder.UnlockCollateralDestinationAddressId.Equals(string.Empty))
{
deals.Add(dealAddress);
}
});
filter(creditCoinNamespace + repaymentOrderPrefix, (string objid, byte[] protobuf) =>
{
RepaymentOrder repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
if (repaymentOrder.TransferId.Equals(string.Empty) && deals.SingleOrDefault(x => x.Equals(repaymentOrder.DealId)) != null)
{
Console.WriteLine(objid);
}
});
}
else
{
Console.WriteLine("Invalid command " + command[0]);
success = false;
}
if (success)
{
Console.WriteLine("Success");
}
}
else if (action.Equals("creditcoin"))
{
string msg;
var tx = txBuilder.BuildTx(command, out msg);
if (tx == null)
{
Debug.Assert(msg != null);
Console.WriteLine(msg);
}
else
{
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
Console.WriteLine(RpcHelper.CompleteBatch(httpClient, $"{creditcoinUrl}/batches", content));
}
}
else
{
var loader = new Loader <ICCClientPlugin>();
var msgs = new List <string>();
loader.Load(folder, msgs);
foreach (var msg in msgs)
{
Console.WriteLine(msg);
}
ICCClientPlugin plugin = loader.Get(action);
var pluginConfig = config.GetSection(action);
if (plugin == null)
{
Console.WriteLine("Error: Unknown action " + action);
}
else
{
string msg;
bool done = plugin.Run(pluginConfig, httpClient, txBuilder, settings, folder, creditcoinUrl, command, out inProgress, out msg);
if (done)
{
if (msg == null)
{
msg = "Success";
}
Console.WriteLine(msg);
}
else
{
Console.WriteLine("Error: " + msg);
}
}
}
if (!inProgress)
{
File.Delete(progress);
}
}
catch (Exception x)
{
Console.WriteLine($"Error: unexpected failure - {x.Message}");
}
}
public bool Run(IConfiguration cfg, HttpClient httpClient, ITxBuilder txBuilder, Dictionary <string, string> settings, string pluginsFolder, string url, string[] command, out bool inProgress, out string msg)
{
Debug.Assert(command != null);
Debug.Assert(command.Length > 1);
if (command[0].Equals("registerTransfer", StringComparison.OrdinalIgnoreCase))
{
// bitcoin RegisterTransfer registeredSourceId amount sourceTxId
string progress = Path.Combine(pluginsFolder, $"{name}_progress.txt");
inProgress = false;
Debug.Assert(command.Length == 4);
string registeredSourceId = command[1];
string amountString = command[2];
string sourceTxIdString = command[3];
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "bitcoin.secret is not set";
return(false);
}
string rpcAddress = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcAddress))
{
msg = "bitcoin.rpc is not set";
return(false);
}
string credential = cfg["credential"];
if (string.IsNullOrWhiteSpace(credential))
{
msg = "bitcoin.credential is not set";
return(false);
}
//TODO disable confirmation count config for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "bitcoin.confirmationsCount is not set";
return(false);
}
int confirmationsExpected = 1;
if (!int.TryParse(confirmationsCount, out confirmationsExpected))
{
msg = "bitcoin.confirmationsCount is not an int";
return(false);
}
string feeString = cfg["fee"];
if (string.IsNullOrWhiteSpace(feeString))
{
msg = "bitcoin.fee is not set";
return(false);
}
if (!int.TryParse(feeString, out int fee))
{
msg = "bitcoin.fee is not an int";
return(false);
}
var bitcoinPrivateKey = new BitcoinSecret(secret);
var network = bitcoinPrivateKey.Network;
var rpcClient = new RPCClient(credential, new Uri(rpcAddress), network);
string payTxIdHash;
uint256 payTxId;
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
payTxIdHash = File.ReadAllText(progress);
if (!uint256.TryParse(payTxIdHash, out payTxId))
{
msg = "corrupted progress file";
return(false);
}
}
else
{
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{registeredSourceId}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
string destinationAddress;
if (!settings.TryGetValue("sawtooth.escrow." + name, out destinationAddress))
{
msg = "Escrow not found for " + name;
return(false);
}
Money transferAmount;
if (!Money.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
if (!address.Blockchain.Equals(name))
{
msg = $"bitcoin RegisterTransfer can only transfer bitcoins.\nThis source is registered for {address.Blockchain}";
return(false);
}
var sourceAddress = bitcoinPrivateKey.GetAddress();
if (!sourceAddress.ToString().Equals(address.Address_, StringComparison.OrdinalIgnoreCase))
{
msg = "The deal is for a different client";
return(false);
}
#if RELEASE
if (network != NBitcoin.Network.Main)
{
msg = "bitcoin.secret is not defined for main network";
return(false);
}
#endif
var sourceTxId = uint256.Parse(sourceTxIdString);
var transactionResponse = rpcClient.GetRawTransaction(sourceTxId);
//TODO: fix (assuming that the transaction has one output intended for the private key with the exact amount)
var receivedCoins = transactionResponse.Outputs.AsCoins();
OutPoint outPointToSpend = null;
TxOut outTxToSpend = null;
Money amount = null;
foreach (var coin in receivedCoins)
{
if (coin.TxOut.ScriptPubKey == bitcoinPrivateKey.ScriptPubKey)
{
outPointToSpend = coin.Outpoint;
outTxToSpend = coin.TxOut;
amount = (Money)coin.Amount;
if (amount.CompareTo(transferAmount + fee * 2) < 0)
{
msg = $"Invalid transaction - needed: {transferAmount}, has: {amount.ToString()}";
return(false);
}
break;
}
}
if (outPointToSpend == null)
{
msg = "Invalid transaction - no outputs that the client can spend";
return(false);
}
var addressFrom = BitcoinAddress.Create(address.Address_, network);
var addressTo = BitcoinAddress.Create(destinationAddress, network);
var message = address.Sighash;
var bytes = Encoding.UTF8.GetBytes(message);
var bitcoinTransactionBuilder = new TransactionBuilder();
var transaction = bitcoinTransactionBuilder
.AddCoins(new Coin(outPointToSpend, outTxToSpend))
.AddKeys(bitcoinPrivateKey)
.Send(addressTo.ScriptPubKey, transferAmount + fee)
.Send(TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes), Money.Zero)
.SendFees(new Money(fee, MoneyUnit.Satoshi))
.SetChange(addressFrom.ScriptPubKey)
.BuildTransaction(true);
if (!bitcoinTransactionBuilder.Verify(transaction))
{
msg = "failed verify transaction";
return(false);
}
try
{
payTxId = rpcClient.SendRawTransaction(transaction);
}
catch (RPCException e)
{
msg = $"failed to broadcast - error: {e.RPCCode}, reason: {e.RPCCodeMessage}";
return(false);
}
if (payTxId == null)
{
msg = "failed to broadcast - unknown error";
return(false);
}
payTxIdHash = payTxId.ToString();
File.WriteAllText(progress, payTxIdHash);
}
inProgress = true;
while (true)
{
var transactionResponse = rpcClient.GetRawTransactionInfo(payTxId);
if (transactionResponse != null && transactionResponse.BlockHash != null && transactionResponse.Confirmations >= confirmationsExpected)
{
break;
}
Thread.Sleep(1000);
}
command = new string[] { command[0], registeredSourceId, amountString, feeString, payTxIdHash, ((network == Network.Main) ? "1" : "0") };
var tx = txBuilder.BuildTx(command, out msg);
Debug.Assert(tx != null);
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, $"{url}/batches", content);
File.Delete(progress);
inProgress = false;
return(true);
}
else
{
inProgress = false;
msg = "Unknown command: " + command[0];
return(false);
}
}
public bool Run(IConfiguration cfg, string signerHexStr, string[] command, out string msg)
{
Debug.Assert(command != null);
Debug.Assert(command.Length > 0);
if (command[0].Equals("verify"))
{
Debug.Assert(command.Length == 7);
string txId = command[1];
string destinationAddressString = command[2];
string destinationAmount = command[3];
string sighash = command[4];
string sourceAddressString = command[5];
string networkId = command[6];
// TODO disable confirmation count config for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "ethereum.confirmationsCount is not set";
return(false);
}
if (!int.TryParse(confirmationsCount, out int confirmationsExpected))
{
msg = "ethereum.confirmationsCount is not an int";
return(false);
}
string rpcUrl = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcUrl))
{
msg = "ethereum.rpc is not set";
return(false);
}
var web3 = new Nethereum.Web3.Web3(rpcUrl);
var tx = web3.Eth.Transactions.GetTransactionByHash.SendRequestAsync(txId).Result;
int confirmations = 0;
if (tx.BlockNumber != null)
{
var blockNumber = web3.Eth.Blocks.GetBlockNumber.SendRequestAsync().Result;
confirmations = (int)(blockNumber.Value - tx.BlockNumber.Value);
}
if (confirmations < confirmationsExpected)
{
msg = "Invalid transaction: not enough confirmations";
return(false);
}
if (!sourceAddressString.Equals(tx.From, System.StringComparison.OrdinalIgnoreCase))
{
msg = "Invalid transaction: wrong sourceAddressString";
return(false);
}
if (networkId.Equals("creditcoin"))
{
string creditcoinContract = cfg["creditcoinContract"];
if (string.IsNullOrWhiteSpace(creditcoinContract))
{
msg = "ethereum.creditcoinContract is not set";
return(false);
}
string creditcoinContractAbi = cfg["creditcoinContractAbi"];
if (string.IsNullOrWhiteSpace(creditcoinContractAbi))
{
msg = "ethereum.creditcoinContractAbi is not set";
return(false);
}
var contract = web3.Eth.GetContract(creditcoinContractAbi, creditcoinContract);
var burn = contract.GetFunction("exchange");
var inputs = burn.DecodeInput(tx.Input);
Debug.Assert(inputs.Count == 2);
var value = inputs[0].Result.ToString();
if (destinationAmount != value)
{
msg = "Invalid transaction: wrong amount";
return(false);
}
var tag = inputs[1].Result.ToString();
if (!tag.Equals(sighash))
{
msg = "Invalid transaction: wrong sighash";
return(false);
}
}
else
{
if (destinationAmount != tx.Value.Value.ToString())
{
msg = "Invalid transaction: wrong amount";
return(false);
}
if (tx.Input == null)
{
msg = "Invalid transaction: expecting data";
return(false);
}
if (!sighash.StartsWith("0x"))
{
sighash = "0x" + sighash;
}
if (!tx.Input.Equals(sighash, System.StringComparison.OrdinalIgnoreCase))
{
msg = "Invalid transaction: wrong sighash";
return(false);
}
if (!tx.To.Equals(destinationAddressString, System.StringComparison.OrdinalIgnoreCase))
{
msg = "Invalid transaction: wrong destinationAddressString";
return(false);
}
}
msg = null;
return(true);
}
else if (command[0].Equals("unlock"))
{
var ccSigner = new Signer(RpcHelper.HexToBytes(signerHexStr));
var txBuilder = new TxBuilder(ccSigner);
Debug.Assert(command.Length == 5);
string kind = command[1];
string addressFromString = command[2];
HttpClient httpClient = new HttpClient();
string txFrom;
string amountString;
string feeString;
string addressToString;
string networkId;
string ccCommand;
if (kind.Equals("funds"))
{
string dealOrderId = command[3];
string addressToUnlockFundsTo = command[4];
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{askOrder.TransferId}", out msg);
if (protobuf == null)
{
return(false);
}
var transfer = Transfer.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{addressToUnlockFundsTo}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
if (!askOrder.Sighash.Equals(address.Sighash))
{
msg = "The address doesn't match the ask order";
return(false);
}
txFrom = transfer.Txid;
amountString = transfer.Amount;
feeString = transfer.Fee;
addressToString = address.Address_;
networkId = transfer.Network;
ccCommand = "UnlockFunds";
}
else if (kind.Equals("collateral"))
{
string repaymentOrderId = command[3];
string addressToUnlockCollateralsTo = command[4];
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{repaymentOrder.DealId}", out msg);
if (protobuf == null)
{
return(false);
}
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{dealOrder.AskOrderId}", out msg);
if (protobuf == null)
{
return(false);
}
var askOrder = AskOrder.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{askOrder.TransferId}", out msg);
if (protobuf == null)
{
return(false);
}
var transfer = Transfer.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{creditcoinUrl}/state/{addressToUnlockCollateralsTo}", out msg);
if (protobuf == null)
{
return(false);
}
var address = Address.Parser.ParseFrom(protobuf);
if (!askOrder.Sighash.Equals(address.Sighash))
{
msg = "The address doesn't match the ask order";
return(false);
}
txFrom = transfer.Txid;
amountString = transfer.Amount;
feeString = transfer.Fee;
addressToString = address.Address_;
networkId = transfer.Network;
ccCommand = "UnlockCollateral";
}
else
{
msg = "unknown unlock kind";
return(false);
}
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "ethereum.secret is not set";
return(false);
}
var ethereumPrivateKey = secret;
// TODO disable confirmation count config for release build
string confirmationsCount = cfg["confirmationsCount"];
if (string.IsNullOrWhiteSpace(confirmationsCount))
{
msg = "ethereum.confirmationsCount is not set";
return(false);
}
if (!int.TryParse(confirmationsCount, out int confirmationsExpected))
{
msg = "ethereum.confirmationsCount is not an int";
return(false);
}
string rpcUrl = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcUrl))
{
msg = "ethereum.rpc is not set";
return(false);
}
BigInteger fee;
if (!BigInteger.TryParse(feeString, out fee))
{
msg = "Invalid progress data";
return(false);
}
var web3 = new Nethereum.Web3.Web3(rpcUrl);
BigInteger transferAmount;
if (!BigInteger.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
string sourceAddress = EthECKey.GetPublicAddress(ethereumPrivateKey);
if (!sourceAddress.Equals(addressFromString, StringComparison.OrdinalIgnoreCase))
{
msg = "The deal is for a different client";
return(false);
}
var txCount = web3.Eth.Transactions.GetTransactionCount.SendRequestAsync(sourceAddress).Result;
TransactionSigner signer = new TransactionSigner();
var gasLimit = web3.Eth.Transactions.EstimateGas.SendRequestAsync(new Nethereum.RPC.Eth.DTOs.CallInput(string.Empty, addressToString, new Nethereum.Hex.HexTypes.HexBigInteger(transferAmount))).Result;
var gasPrice = web3.Eth.GasPrice.SendRequestAsync().Result;
string txRaw = signer.SignTransaction(ethereumPrivateKey, addressToString, transferAmount + fee, txCount, gasPrice, gasLimit, string.Empty);
string payTxId = web3.Eth.Transactions.SendRawTransaction.SendRequestAsync("0x" + txRaw).Result;
while (true)
{
var receipt = web3.Eth.TransactionManager.TransactionReceiptService.PollForReceiptAsync(payTxId).Result;
if (receipt.BlockNumber != null)
{
var blockNumber = web3.Eth.Blocks.GetBlockNumber.SendRequestAsync().Result;
if (blockNumber.Value - receipt.BlockNumber.Value >= confirmationsExpected)
{
break;
}
}
Thread.Sleep(1000);
}
command = new string[] { ccCommand, command[3], command[4] };
var tx = txBuilder.BuildTx(command, out msg);
Debug.Assert(tx != null);
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, $"{creditcoinUrl}/batches", content);
}
msg = "Unknown command: " + command[0];
return(false);
}
public bool Run(bool txid, IConfiguration cfg, HttpClient httpClient, ITxBuilder txBuilder, Dictionary <string, string> settings, string progressId, string pluginsFolder, string url, string[] command, out bool inProgress, out string msg)
{
Debug.Assert(command != null);
if (command.Length < 2)
{
inProgress = false;
msg = "invalid parameter count";
return(false);
}
if (command[0].Equals("registerTransfer", StringComparison.OrdinalIgnoreCase))
{
// bitcoin RegisterTransfer srcAddressId dstAddressId orderId amount sourceTxId
string progress = Path.Combine(pluginsFolder, $"{name}_progress{progressId}.txt");
inProgress = false;
if (command.Length != 4)
{
msg = "invalid parameter count";
return(false);
}
string gainString = command[1];
string orderId = command[2];
string sourceTxIdString = command[3];
string secret = cfg["secret"];
if (string.IsNullOrWhiteSpace(secret))
{
msg = "bitcoin.secret is not set";
return(false);
}
string rpcAddress = cfg["rpc"];
if (string.IsNullOrWhiteSpace(rpcAddress))
{
msg = "bitcoin.rpc is not set";
return(false);
}
string credential = cfg["credential"];
if (string.IsNullOrWhiteSpace(credential))
{
msg = "bitcoin.credential is not set";
return(false);
}
#if DEBUG
string confirmationsCount = cfg["confirmationsCount"];
if (int.TryParse(confirmationsCount, out int parsedCount))
{
mConfirmationsExpected = parsedCount;
}
#endif
string feeString = cfg["fee"];
if (string.IsNullOrWhiteSpace(feeString))
{
msg = "bitcoin.fee is not set";
return(false);
}
if (!int.TryParse(feeString, out int fee))
{
msg = "bitcoin.fee is not an int";
return(false);
}
var bitcoinPrivateKey = new BitcoinSecret(secret);
var network = bitcoinPrivateKey.Network;
var rpcClient = new RPCClient(credential, new Uri(rpcAddress), network);
string srcAddressId;
string dstAddressId;
string amountString;
var protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{orderId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
if (orderId.StartsWith(RpcHelper.creditCoinNamespace + RpcHelper.dealOrderPrefix))
{
var dealOrder = DealOrder.Parser.ParseFrom(protobuf);
if (gainString.Equals("0"))
{
srcAddressId = dealOrder.SrcAddress;
dstAddressId = dealOrder.DstAddress;
}
else
{
dstAddressId = dealOrder.SrcAddress;
srcAddressId = dealOrder.DstAddress;
}
amountString = dealOrder.Amount;
}
else if (orderId.StartsWith(RpcHelper.creditCoinNamespace + RpcHelper.repaymentOrderPrefix))
{
var repaymentOrder = RepaymentOrder.Parser.ParseFrom(protobuf);
if (gainString.Equals("0"))
{
srcAddressId = repaymentOrder.SrcAddress;
dstAddressId = repaymentOrder.DstAddress;
}
else
{
dstAddressId = repaymentOrder.SrcAddress;
srcAddressId = repaymentOrder.DstAddress;
}
amountString = repaymentOrder.Amount;
}
else
{
msg = "unexpected referred order";
return(false);
}
string payTxIdHash;
uint256 payTxId;
if (File.Exists(progress))
{
Console.WriteLine("Found unfinished action, retrying...");
payTxIdHash = File.ReadAllText(progress);
if (!uint256.TryParse(payTxIdHash, out payTxId))
{
msg = "corrupted progress file";
return(false);
}
}
else
{
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{srcAddressId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
var srcAddress = Address.Parser.ParseFrom(protobuf);
protobuf = RpcHelper.ReadProtobuf(httpClient, $"{url}/state/{dstAddressId}", out msg);
if (protobuf == null)
{
msg = "failed to extract address data through RPC";
return(false);
}
var dstAddress = Address.Parser.ParseFrom(protobuf);
long transferAmount;
if (!long.TryParse(amountString, out transferAmount) || transferAmount <= 0)
{
msg = "Invalid amount";
return(false);
}
long gain;
if (!long.TryParse(gainString, out gain))
{
msg = "Invalid amount";
return(false);
}
if (transferAmount + gain < transferAmount)
{
msg = "Overflow";
return(false);
}
transferAmount = transferAmount + gain;
if (transferAmount < 0)
{
msg = "Invalid amount";
return(false);
}
if (transferAmount + fee < transferAmount)
{
msg = "Overflow";
return(false);
}
if (!srcAddress.Blockchain.Equals(name) || !dstAddress.Blockchain.Equals(name))
{
msg = $"bitcoin RegisterTransfer can only transfer bitcoins.\nThis source is registered for {srcAddress.Blockchain} and destination for {dstAddress.Blockchain}";
return(false);
}
var sourceAddress = bitcoinPrivateKey.GetAddress();
if (!sourceAddress.ToString().Equals(srcAddress.Value, StringComparison.OrdinalIgnoreCase))
{
msg = "The deal is for a different client";
return(false);
}
#if RELEASE
if (network != NBitcoin.Network.Main)
{
msg = "bitcoin.secret is not defined for main network";
return(false);
}
#endif
var sourceTxId = uint256.Parse(sourceTxIdString);
var transactionResponse = rpcClient.GetRawTransaction(sourceTxId);
//TODO: fix (assuming that the transaction has one output intended for the private key with the exact amount)
var receivedCoins = transactionResponse.Outputs.AsCoins();
OutPoint outPointToSpend = null;
TxOut outTxToSpend = null;
foreach (var coin in receivedCoins)
{
if (coin.TxOut.ScriptPubKey == bitcoinPrivateKey.ScriptPubKey)
{
outPointToSpend = coin.Outpoint;
outTxToSpend = coin.TxOut;
long amount = coin.Amount.Satoshi;
if (amount < transferAmount + fee)
{
msg = $"Invalid transaction - needed: {transferAmount} + {fee}, has: {amount.ToString()}";
return(false);
}
break;
}
}
if (outPointToSpend == null)
{
msg = "Invalid transaction - no outputs that the client can spend";
return(false);
}
var addressFrom = BitcoinAddress.Create(srcAddress.Value, network);
var addressTo = BitcoinAddress.Create(dstAddress.Value, network);
var message = orderId;
var bytes = Encoding.UTF8.GetBytes(message);
var bitcoinTransactionBuilder = new TransactionBuilder();
var transaction = bitcoinTransactionBuilder
.AddCoins(new Coin(outPointToSpend, outTxToSpend))
.AddKeys(bitcoinPrivateKey)
.Send(addressTo.ScriptPubKey, transferAmount)
.Send(TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes), Money.Zero)
.SendFees(new Money(fee, MoneyUnit.Satoshi))
.SetChange(addressFrom.ScriptPubKey)
.BuildTransaction(true);
if (!bitcoinTransactionBuilder.Verify(transaction))
{
msg = "failed verify transaction";
return(false);
}
try
{
payTxId = rpcClient.SendRawTransaction(transaction);
}
catch (RPCException e)
{
msg = $"failed to broadcast - error: {e.RPCCode}, reason: {e.RPCCodeMessage}";
return(false);
}
if (payTxId == null)
{
msg = "failed to broadcast - unknown error";
return(false);
}
payTxIdHash = payTxId.ToString();
File.WriteAllText(progress, payTxIdHash);
}
inProgress = true;
while (true)
{
var transactionResponse = rpcClient.GetRawTransactionInfo(payTxId);
if (transactionResponse != null && transactionResponse.BlockHash != null && transactionResponse.Confirmations >= mConfirmationsExpected)
{
break;
}
Thread.Sleep(1000);
}
command = new string[] { command[0], gainString, orderId, payTxIdHash };
var tx = txBuilder.BuildTx(command, out msg);
Debug.Assert(tx != null);
Debug.Assert(msg == null);
var content = new ByteArrayContent(tx);
content.Headers.Add("Content-Type", "application/octet-stream");
msg = RpcHelper.CompleteBatch(httpClient, url, "batches", content, txid);
File.Delete(progress);
inProgress = false;
return(true);
}
else
{
inProgress = false;
msg = "Unknown command: " + command[0];
return(false);
}
}