FTX Exchange Implemented (#663)

* Added parsing of fees for Kraken exchange

ParseOrder method in the ExchangeKrakenAPI class will now parse the fee from the response and set it in the order result.

* Added margin properties

* Exchange Identifier

Added a exchange property to the ticker model to be able to identify what exchange it came from.

* Base FTX Implementation

Added the base implementation for the FTX exchange.

* Added onGetMarketSymbolsAsync

Implemented onGetMarketSynbolsAsync  method for FTX  exchange

* Added  OnGetMarketSymbolsMetadataAsync

Implemented OnGetMarketSymbolsMetadataAsync for FTX exchange
Modified ,methods to exclude to futures symbols

* Added Websocket base URL

* Added signing of requests in FTX exchange

Added method for creating the appropriate signature on the request so that it can authenticate against the private API for the FTX exchange

Implemented the OnGetAmountsAsync method for the FTX exchange.

* added OnGetOpenOrderDetailsAsync

* Implemented onGetHistoricalTrades FTX

Implemented ongetHistoricaltrades for the FTX exchange.

* onGetHistoricalTrade changes

Modified onGetHistoricalTrade to use utility method for parsing.

* Update ExchangeFTXAPI.cs

Moved methods into alphabetical order

* working progress on OnGetOrderDetailsAsync

* Update ExchangeFTXAPI.cs

Implemented websocket connection for retrieving ticker information.

* Update ExchangeFTXAPI.cs

Refined websocket ticker implementation to make use of utility functions for parsing.

* added OnGetAmountsAvailableToTradeAsync

Using https://docs.ftx.com/#get-coins

* Update ExchangeFTXAPI.cs

* checks for future coins

* Update ExchangeFTXAPI.cs

Implemented onPlaceOrderAsync for FTX exchange.

* Update ExchangeFTXAPI.cs

Added remaining overrides of methods required to be implemented to FTX exchange
Added implementation of OnCancelOrderAsync
Added implementation of OnGetCandleAsync

* Update ExchangeFTXAPI.cs

Implemented getOrderBook for FTX exchange.

* Update ExchangeFTXAPI.cs

Implemented GetCompletedOrders method for FTX exchange

* Update ExchangeFTXAPI.cs

Implemented GetTickersAsync method for FTX

* Updated FTX Implementation

Fixed minor issues in some of the methods
Modified order of methods so they are alphabetical
Removed debug test class.

* Update README.md

Added FTX to supported exchanges

* Update ExchangeFTXAPI.cs

Modified OnGetOrderDetailsAsync for ftx exchange to include isClientOrderId parameter

* Update ExchangeSharp.csproj

Removed unused Models folder

* Revert "Added margin properties"

This reverts commit 161bbba.

* Update to Exchange Implementations

Modified exchange tickers to include the name of the exchange it came from for all exchange implementations.
Added  PostOnly parameter to place order method for FTX implementation.
Modified GetOrderDetails for FTX implementation so that it handles retrieval via client order ids.
Removed unnecessary exclusion in project file

* Update ExchangeGeminiAPI.cs

Fixed issue with reference to the exchange name in Gemini when creating a ticker instance.

Co-authored-by: nlv-hack <nv.varnas@gmail.com>

Author: Plumbly

README.md

@@ -41,6 +41,7 @@ The following cryptocurrency exchanges are supported:
 | Bybit          | x           | x            | R          | Has public method for Websocket Positions
 | Coinbase       | x           | x            | T R        |
 | Digifinex      | x           | x            | R B        |
+| FTX            | x           | x            | T          |
 | Gemini         | x           | x            | T R B      |
 | HitBTC         | x           | x            | R          |
 | Huobi          | x           | x            | R B        |

src/ExchangeSharp/API/Exchanges/Aquanow/ExchangeAquanowAPI.cs

@@ -56,7 +56,7 @@ protected override async Task<IEnumerable<KeyValuePair<string, ExchangeTicker>>>
 				JToken bestPriceSymbol = await MakeJsonRequestAsync<JToken>($"/bestprice?symbol={symbol}", MarketUrl);
 				decimal bid = bestPriceSymbol["bestBid"].ConvertInvariant<decimal>();
 				decimal ask = bestPriceSymbol["bestAsk"].ConvertInvariant<decimal>();
-				ExchangeTicker ticker = new ExchangeTicker { MarketSymbol = symbol, Bid = bid, Ask = ask, ApiResponse = bestPriceSymbol };
+				ExchangeTicker ticker = new ExchangeTicker { Exchange = Name, MarketSymbol = symbol, Bid = bid, Ask = ask, ApiResponse = bestPriceSymbol };
 				tickers.Add(new KeyValuePair<string, ExchangeTicker>(symbol, ticker));
 			}
 			return tickers;

src/ExchangeSharp/API/Exchanges/BitBank/ExchangeBitBankAPI.cs

@@ -49,6 +49,7 @@ protected override async Task<IEnumerable<KeyValuePair<string, ExchangeTicker>>>
 				var data = token[GlobalMarketSymbolToExchangeMarketSymbolAsync(symbol)];
 				var ticker = new ExchangeTicker()
 				{
+					Exchange = Name,
 					ApiResponse = token,
 					Ask = data["sell"].ConvertInvariant<decimal>(),
 					Bid = data["buy"].ConvertInvariant<decimal>(),

src/ExchangeSharp/API/Exchanges/Bitfinex/ExchangeBitfinexAPI.cs

@@ -166,6 +166,7 @@ protected override async Task<IEnumerable<KeyValuePair<string, ExchangeTicker>>>
 					var market = marketsBySymbol[marketSymbol.ToLowerInvariant()];
 					tickers.Add(new KeyValuePair<string, ExchangeTicker>(marketSymbol, new ExchangeTicker
 					{
+						Exchange = Name,
 						MarketSymbol = marketSymbol,
 						ApiResponse = token,
 						Ask = array[3].ConvertInvariant<decimal>(),

src/ExchangeSharp/API/Exchanges/Bittrex/ExchangeBittrexAPI_WebSocket.cs

@@ -141,6 +141,7 @@ async Task innerCallback(string json)
 					DateTime timestamp = CryptoUtility.UnixTimeStampToDateTimeMilliseconds(ticker["T"].ConvertInvariant<long>());
 					var t = new ExchangeTicker
 					{
+						Exchange = Name,
 						MarketSymbol = marketName,
 						ApiResponse = ticker,
 						Ask = ask,

src/ExchangeSharp/API/Exchanges/Digifinex/ExchangeDigifinexAPI.cs

@@ -185,6 +185,7 @@ private async Task<ExchangeTicker> ParseTickerAsync(JToken x)
 
 			return new ExchangeTicker
 			{
+				Exchange = Name,
 				ApiResponse = t,
 				Ask = t["sell"].ConvertInvariant<decimal>(),
 				Bid = t["buy"].ConvertInvariant<decimal>(),