Cancel all orders wrapper implementation (#217)

* Changes method signature for cancelling all orders (experitmental). Implements cancelAllOrders wrapper for alphapoint, anx, binance

* Implements cancel all wrapper for bitfinex, bitmex, bitstamp, bittrex, btcmarkets, coinbasepro and hilariously coinut

* Changes method signature to only use one OrderCancellation type. Adds support for Exmo, gateio, gemini, itbit, lakebtc

* Adds/updates support for hitbtc, huobi, hadax, itbit and kraken

* Adds support for liqui, localbitcoins, okcoin, poloniex, wex and yobit. Splits up open order methods for poloniex

* Adds bithumb, okex and zb support. BTCC for another PR

* Updates bitflyer, bithumb, bitmex, coinut, okex and zb cancelAllOrders method to cancel via enabled currency pairs rather than a singular currency

* Adds tests to all exchanges to test wrapper function CancelAllOrders

* Fixes OKEX and huobi, btcmarkets, kraken, okCoin cancel order implementations

* Fixes coinut, hitbtc and okex api for authenticated requests

* Fixes comment and spacing

* Changes the CancelAllOrders signature to return orderids and errors along with a generic error.

* Fixes OKEX delimiter

* Removes spacing and test verbosity

* Removes more spacing

* Removes space

* Fixes okex rebasing issue. Also makes the maps instead of assuming they just work

exchanges/exmo/exmo_test.go

@@ -262,7 +262,6 @@ func isRealOrderTestEnabled() bool {
 func TestSubmitOrder(t *testing.T) {
 	e.SetDefaults()
 	TestSetup(t)
-	e.Verbose = true
 
 	if !isRealOrderTestEnabled() {
 		t.Skip()
@@ -288,7 +287,6 @@ func TestCancelExchangeOrder(t *testing.T) {
 		t.Skip()
 	}
 
-	e.Verbose = true
 	currencyPair := pair.NewCurrencyPair(symbol.LTC, symbol.BTC)
 
 	var orderCancellation = exchange.OrderCancellation{
@@ -306,3 +304,34 @@ func TestCancelExchangeOrder(t *testing.T) {
 		t.Errorf("Could not cancel order: %s", err)
 	}
 }
+
+func TestCancelAllExchangeOrders(t *testing.T) {
+	// Arrange
+	e.SetDefaults()
+	TestSetup(t)
+
+	if !isRealOrderTestEnabled() {
+		t.Skip()
+	}
+
+	currencyPair := pair.NewCurrencyPair(symbol.LTC, symbol.BTC)
+
+	var orderCancellation = exchange.OrderCancellation{
+		OrderID:       "1",
+		WalletAddress: "1F5zVDgNjorJ51oGebSvNCrSAHpwGkUdDB",
+		AccountID:     "1",
+		CurrencyPair:  currencyPair,
+	}
+
+	// Act
+	resp, err := e.CancelAllOrders(orderCancellation)
+
+	// Assert
+	if err != nil {
+		t.Errorf("Could not cancel order: %s", err)
+	}
+
+	if len(resp.OrderStatus) > 0 {
+		t.Errorf("%v orders failed to cancel", len(resp.OrderStatus))
+	}
+}

exchanges/exmo/exmo_wrapper.go

@@ -223,8 +223,23 @@ func (e *EXMO) CancelOrder(order exchange.OrderCancellation) error {
 }
 
 // CancelAllOrders cancels all orders associated with a currency pair
-func (e *EXMO) CancelAllOrders() error {
-	return common.ErrNotYetImplemented
+func (e *EXMO) CancelAllOrders(orderCancellation exchange.OrderCancellation) (exchange.CancelAllOrdersResponse, error) {
+	cancelAllOrdersResponse := exchange.CancelAllOrdersResponse{
+		OrderStatus: make(map[string]string),
+	}
+	openOrders, err := e.GetOpenOrders()
+	if err != nil {
+		return cancelAllOrdersResponse, err
+	}
+
+	for _, order := range openOrders {
+		err = e.CancelExistingOrder(order.OrderID)
+		if err != nil {
+			cancelAllOrdersResponse.OrderStatus[strconv.FormatInt(order.OrderID, 10)] = err.Error()
+		}
+	}
+
+	return cancelAllOrdersResponse, nil
 }
 
 // GetOrderInfo returns information on a current open order