public Taker(MetaDollarConfiguration config, ILogger logger = null) : base(config, logger)
{
var order = Service.GetBestAvailableSell();
if (order != null)
{
Console.WriteLine($"Best available: Sell {order.EthAvailableVolume:N3} @ {order.Price:N9}");
const decimal desiredAmountBase = 0.001m;
var fraction = Math.Min(desiredAmountBase / order.EthAvailableVolumeBase, 1);
try
{
var uc = new UnitConversion();
var amount = order.AmountGet.Value * uc.ToWei(fraction);
Service.TakeOrder(order, amount).Wait();
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.InnerException != null ? ex.InnerException.Message : ex.Message);
Console.ResetColor();
}
}
else
{
Console.WriteLine("No Available order");
}
Console.WriteLine();
}
public Service(MetaDollarConfiguration config, ILogger configLogger)
{
this._logger = configLogger;
Log("Starting");
Orders = new Orders
{
Sells = new List <Order>(),
Buys = new List <Order>()
};
MyOrders = new Orders
{
Sells = new List <Order>(),
Buys = new List <Order>()
};
Trades = new List <Trade>();
MyTrades = new List <Trade>();
Config = config;
Web3 = new Web3(config.Provider);
var addressMetaDollar = Web3.ToChecksumAddress(config.AddressMetaDollar);
// TODO: check file exists
var abi = File.ReadAllText(config.AbiFile);
MetaDollarContract = Web3.Eth.GetContract(abi, addressMetaDollar);
var tokenAbi = File.ReadAllText(config.TokenFile);
EthContract = Web3.Eth.GetContract(tokenAbi, Config.Token);
InitSocket();
}
static void Main(string[] args)
{
if (args.Length < 1 || args[0] != "taker" && args[0] != "maker")
{
Console.WriteLine("Please run with 'taker' or 'maker' argument!");
return;
}
var config = new MetaDollarConfiguration
{
SocketUrl = ConfigurationManager.AppSettings["SocketUrl"],
Provider = ConfigurationManager.AppSettings["Provider"],
AddressMetaDollar = ConfigurationManager.AppSettings["AddressMetaDollar"],
AbiFile = ConfigurationManager.AppSettings["AbiFile"],
TokenFile = ConfigurationManager.AppSettings["TokenFile"],
Token = ConfigurationManager.AppSettings["Token"],
User = ConfigurationManager.AppSettings["User"],
PrivateKey = ConfigurationManager.AppSettings["PrivateKey"],
UnitDecimals = int.Parse(ConfigurationManager.AppSettings["UnitDecimals"]),
GasPrice = BigInteger.Parse(ConfigurationManager.AppSettings["GasPrice"]),
GasLimit = BigInteger.Parse(ConfigurationManager.AppSettings["GasLimit"])
};
ILogger logger = null;
if (args.Length == 2 && args[1] == "-v")
{
logger = new ConsoleLogger();
}
if (args[0] == "taker")
{
new Taker(config, logger);
}
else
{
new Maker(config, logger);
}
if (!Debugger.IsAttached)
{
return;
}
Console.WriteLine("Press enter to exit");
while (Console.ReadKey().Key != ConsoleKey.Enter)
{
;
}
}
protected BaseBot(MetaDollarConfiguration config, ILogger logger = null)
{
Console.Clear();
Console.ResetColor();
Service = new Service(config, logger);
Task[] tasks =
{
GetMarket(),
GetBalanceAsync("ETH", config.User),
GetBalanceAsync(config.Token, config.User),
GetMetaDollarBalance("ETH", config.User),
GetMetaDollarBalance(config.Token,config.User)
};
Task.WaitAll(tasks);
PrintOrders();
PrintTrades();
PrintWallet();
Console.WriteLine();
}
public Maker(MetaDollarConfiguration config, ILogger logger = null) : base(config, logger)
{
PrintMyOrders();
const int ordersPerSide = 1;
var expires = Service.GetBlockNumber().Result + 10;
var buyOrdersToPlace = ordersPerSide - Service.MyOrders.Buys.Count();
var sellOrdersToPlace = ordersPerSide - Service.MyOrders.Sells.Count();
var buyVolumeToPlace = MetaDollarETH;
var sellVolumeToPlace = MetaDollarToken;
var bestBuy = Service.GetBestAvailableBuy();
var bestSell = Service.GetBestAvailableSell();
if (bestBuy == null || bestSell == null)
{
Console.WriteLine("Market is not two-sided, cannot calculate mid-market");
return;
}
// Make sure we have a reliable mid market
if (Math.Abs((bestBuy.Price - bestSell.Price) / (bestBuy.Price + bestSell.Price) / 2) > 0.05m)
{
Console.WriteLine("Market is too wide, will not place orders");
return;
}
var uc = new UnitConversion();
var midMarket = (bestBuy.Price + bestSell.Price) / 2;
var orders = new List <Order>();
for (var i = 0; i < sellOrdersToPlace; i += 1)
{
var price = midMarket + ((i + 1) * midMarket * 0.05m);
var amount = sellVolumeToPlace / sellOrdersToPlace;
Console.WriteLine($"Sell { amount.ToString("N3")} @ { price:N9}");
try
{
var order = Service.CreateOrder(OrderType.Sell, expires, uc.ToWei(price), amount);
orders.Add(order);
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.Message);
Console.ResetColor();
}
}
for (var i = 0; i < buyOrdersToPlace; i += 1)
{
var price = midMarket - ((i + 1) * midMarket * 0.05m);
var amount = uc.FromWei(buyVolumeToPlace) / price / buyOrdersToPlace;
Console.WriteLine($"Buy { amount:N3} @ { price:N9}");
try
{
var order = Service.CreateOrder(OrderType.Buy, expires, uc.ToWei(price), uc.ToWei(amount));
orders.Add(order);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
var orderTasks = new List <Task>();
orders.ForEach(order =>
{
var amount = order.TokenGive == Service.ZeroToken ? order.AmountGet : order.AmountGive;
orderTasks.Add(Service.TakeOrder(order, amount));
});
try
{
Task.WaitAll(orderTasks.ToArray());
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.InnerException != null ? ex.InnerException.Message : ex.Message);
Console.ResetColor();
}
Console.WriteLine("Done");
}
