limitPriceToPrecision + limitAmountToPrecision

ccxt.js

@@ -416,7 +416,6 @@ const Exchange = function (config) {
     this.base64ToString = base64ToString
     this.binaryToString = binaryToString
     this.utf16ToBase64 = utf16ToBase64
-
     this.encodeURIComponent = encodeURIComponent
     this.urlencode   = urlencode
     this.omit        = omit
@@ -779,6 +778,14 @@ const Exchange = function (config) {
         return currency
     }
 
+    this.limitPriceToPrecision = function (symbol, price) {
+        return price.toFixed (this.markets[symbol].precision.price)
+    }
+
+    this.limitAmountToPrecision = function (symbol, amount) {
+        return amount.toFixed (this.markets[symbol].precision.amount)
+    }
+
     this.market = function (symbol) {
         return (((typeof symbol === 'string') &&
             (typeof this.markets != 'undefined') &&
@@ -1049,6 +1056,8 @@ const Exchange = function (config) {
     this.calculate_fee               = this.calculateFee
     this.calculate_fee_rate          = this.calculateFeeRate
     this.common_currency_code        = this.commonCurrencyCode
+    this.limit_price_to_precision    = this.limitPriceToPrecision
+    this.limit_amount_to_precision   = this.limitAmountToPrecision
 
     this.init ()
 }
@@ -3102,6 +3111,7 @@ var bitfinex = {
     'hasCORS': false,
     'hasFetchOrder': true,
     'hasFetchTickers': false,
+    'hasDeposit': true,
     'hasWithdraw': true,
     'urls': {
         'logo': 'https://user-images.githubusercontent.com/1294454/27766244-e328a50c-5ed2-11e7-947b-041416579bb3.jpg',

ccxt.php

@@ -1204,6 +1204,22 @@ public function common_currency_code ($currency) {
         return $currency;
     }
 
+    public function limit_price_to_precision ($symbol, $price) {
+        return sprintf ('%.' . $this->markets[$symbol]['precision']['price'] . 'f', $price);
+    }
+
+    public function limitPriceToPrecision ($symbol, $price) {
+        return $this->limit_price_to_precision ($symbol, $price);
+    }
+
+    public function limit_amount_to_precision ($symbol, $amount) {
+        return sprintf ('%.' . $this->markets[$symbol]['precision']['amount'] . 'f', $amount);
+    }
+
+    public function limitAmountToPrecision ($symbol, $amount) {
+        return $this->limit_amount_to_precision ($symbol, $amount);
+    }
+
     public function commonCurrencyCode ($currency) {
         return $this->common_currency_code ($currency);
     }

ccxt/exchange.py

@@ -656,6 +656,18 @@ def common_currency_code(self, currency):
             return 'DASH'
         return currency
 
+    def limit_price_to_precision(self, symbol, price):
+        return ('{:.' + str(self.markets[symbol]['precision']['price']) + 'f}').format(price)
+
+    def limitPriceToPrecision(self, symbol, price):
+        return self.limit_price_to_precision(symbol, price)
+
+    def limit_amount_to_precision(self, symbol, amount):
+        return ('{:.' + str(self.markets[symbol]['precision']['amount']) + 'f}').format(amount)
+
+    def limitAmountToPrecision(self, symbol, amount):
+        return self.limit_amount_to_precision(symbol, amount)
+
     def commonCurrencyCode(self, currency):
         return self.common_currency_code(currency)
 

transpile.js

@@ -105,6 +105,8 @@ while (exchanges = regex.exec (contents)) {
 
         method = method.replace ('fetchBalance',              'fetch_balance')
                         // .replace ('fetchCategories',       'fetch_categories')
+                        .replace ('limitPriceToPrecision',    'limit_price_to_precision')
+                        .replace ('limitAmountToPrecision',   'limit_amount_to_precision')
                         .replace ('commonCurrencyCode',       'common_currency_code')
                         .replace ('loadMarkets',              'load_markets')
                         .replace ('fetchMarkets',             'fetch_markets')
@@ -208,6 +210,8 @@ while (exchanges = regex.exec (contents)) {
             [ /\.fetchOrder\s/g, '.fetch_order'],
             [ /\.fetchTickers\s/g, '.fetch_tickers'],
             [ /\.fetchTicker\s/g, '.fetch_ticker'],
+            [ /\.limitPriceToPrecision\s/g, '.limit_price_to_precision'],
+            [ /\.limitAmountToPrecision\s/g, '.limit_amount_to_precision'],
             [ /\.commonCurrencyCode\s/g, '.common_currency_code'],
             [ /\.loadMarkets\s/g, '.load_markets'],
             [ /\.calculateFeeRate\s/g, '.calculate_fee_rate'],
@@ -326,6 +330,8 @@ while (exchanges = regex.exec (contents)) {
             [ /\.parseOrders/g, '.parse_orders'],
             [ /\.parseOrderStatus/g, '.parse_order_status'],
             [ /\.parseOrder/g, '.parse_order'],
+            [ /\.limitPriceToPrecision/g, '.limit_price_to_precision'],
+            [ /\.limitAmountToPrecision/g, '.limit_amount_to_precision'],
             [ /\.commonCurrencyCode/g, '.common_currency_code'],
             [ /\.loadMarkets/g, '.load_markets'],
             [ /\.calculateFeeRate/g, '.calculate_fee_rate'],