/// <summary>
/// Withdraw funds from exchange
/// </summary>
/// <param name="symbol">Symbol of token to withdraw</param>
/// <param name="amount">Amount to withdraw</param>
/// <returns>Boolean of withdraw attempt</returns>
public async Task <bool> Withdraw(string symbol, decimal amount)
{
string url = baseUrl + "/withdraw";
BigInteger withdrawAmount = new BigInteger(amount);
var parameters = new Dictionary <string, object>();
parameters.Add("contractAddress", _contractAddress);
parameters.Add("token", currencyList[symbol].address);
parameters.Add("amount", withdrawAmount);
parameters.Add("address", _address);
parameters.Add("nonce", new BigInteger(_dtHelper.UTCtoUnixTime()));
//SignMessage
var signature = new Nethereum.Signer.TransactionSigner();
parameters.Add("v", 0);
parameters.Add("r", string.Empty);
parameters.Add("s", string.Empty);
try
{
var response = await _restRepo.PostApi <Dictionary <string, object>, Dictionary <string, object> >(url, parameters);
return(true);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// Place an order on the exchange
/// </summary>
/// <param name="pair">Trading pair</param>
/// <param name="price">Price of trade</param>
/// <param name="quantity">Quantity to trade</param>
/// <param name="type">Trade side ( buy | sell )</param>
/// <returns></returns>
private async Task <OrderResponse> OnOrder(string pair, decimal price, decimal quantity, TradeType type)
{
string url = baseUrl + "/order";
var buySymbol = Helpers.BuySymbol(pair, type);
var sellSymbol = Helpers.SellSymbol(pair, type);
BigInteger buyAmount = type == TradeType.buy ? new BigInteger(quantity) : new BigInteger((price * quantity));
BigInteger sellAmount = type == TradeType.buy ? new BigInteger((price * quantity)) : new BigInteger(quantity);
var parameters = new Dictionary <string, object>();
parameters.Add("contractAddress", _contractAddress);
parameters.Add("tokenBuy", currencyList[buySymbol].address);
parameters.Add("amountBuy", buyAmount);
parameters.Add("tokenSell", currencyList[sellSymbol].address);
parameters.Add("amountSell", sellAmount);
parameters.Add("nonce", new BigInteger(_dtHelper.UTCtoUnixTime()));
parameters.Add("address", _address);
//SignMessage
var signature = new Nethereum.Signer.TransactionSigner();
parameters.Add("v", 0);
parameters.Add("r", string.Empty);
parameters.Add("s", string.Empty);
var response = await _restRepo.PostApi <OrderResponse, Dictionary <string, object> >(url, parameters);
return(response);
}
/// <summary>
/// Cancel an open order
/// </summary>
/// <param name="orderHash">Order hash</param>
/// <returns>Message of the cancel attempt</returns>
public async Task <Dictionary <string, object> > CancelOrder(string orderHash)
{
string url = baseUrl + "/cancel";
var parameters = new Dictionary <string, object>();
parameters.Add("orderHash", orderHash);
parameters.Add("nonce", new BigInteger(_dtHelper.UTCtoUnixTime()));
//SignMessage
var signature = new Nethereum.Signer.TransactionSigner();
parameters.Add("address", _address);
parameters.Add("v", 0);
parameters.Add("r", string.Empty);
parameters.Add("s", string.Empty);
var response = await _restRepo.PostApi <Dictionary <string, object>, Dictionary <string, object> >(url, parameters);
return(response);
}
/// <summary>
/// Trade an order
/// </summary>
/// <param name="orderHash">Order hash to trade</param>
/// <param name="amount">Amount received from order</param>
/// <returns>Trade reponse object</returns>
private async Task <TradeResponse> OnTrade(string orderHash, decimal amount)
{
string url = baseUrl + "/trade";
BigInteger tradeAmount = new BigInteger(amount);
var parameters = new Dictionary <string, object>();
parameters.Add("orderHash", orderHash);
parameters.Add("amount", tradeAmount);
parameters.Add("address", _address);
parameters.Add("nonce", new BigInteger(_dtHelper.UTCtoUnixTime()));
//SignMessage
var signature = new Nethereum.Signer.TransactionSigner();
parameters.Add("v", 0);
parameters.Add("r", string.Empty);
parameters.Add("s", string.Empty);
var response = await _restRepo.PostApi <TradeResponse, Dictionary <string, object> >(url, parameters);
return(response);
}