added therocktrading exchange rate (#4272)

lib/currencies.json

@@ -1,4 +1,7 @@
 {
+    "BitFlyer": [
+        "JPY"
+    ],
     "BitPay": [
         "AED",
         "AFN",
@@ -91,7 +94,7 @@
         "MMK",
         "MNT",
         "MOP",
-        "MRO",
+        "MRU",
         "MUR",
         "MVR",
         "MWK",
@@ -127,7 +130,7 @@
         "SLL",
         "SOS",
         "SRD",
-        "STD",
+        "STN",
         "SVC",
         "SYP",
         "SZL",
@@ -163,6 +166,9 @@
     "BitStamp": [
         "USD"
     ],
+    "Bitbank": [
+        "JPY"
+    ],
     "BitcoinAverage": [
         "AED",
         "AFN",
@@ -332,6 +338,9 @@
         "ZMW",
         "ZWL"
     ],
+    "Bitcointoyou": [
+        "BRL"
+    ],
     "Bitmarket": [
         "PLN"
     ],
@@ -721,11 +730,11 @@
         "AED",
         "ARS",
         "AUD",
-        "BAM",
         "BDT",
         "BHD",
         "BOB",
         "BRL",
+        "BWP",
         "BYN",
         "CAD",
         "CHF",
@@ -740,6 +749,7 @@
         "ETH",
         "EUR",
         "GBP",
+        "GEL",
         "GHS",
         "HKD",
         "HRK",
@@ -754,6 +764,7 @@
         "KRW",
         "KZT",
         "LKR",
+        "LTC",
         "MAD",
         "MXN",
         "MYR",
@@ -765,17 +776,17 @@
         "PHP",
         "PKR",
         "PLN",
-        "QAR",
+        "PYG",
         "RON",
         "RSD",
         "RUB",
-        "RWF",
         "SAR",
         "SEK",
         "SGD",
+        "SZL",
         "THB",
         "TRY",
-        "TTD",
+        "TWD",
         "TZS",
         "UAH",
         "UGX",
@@ -783,7 +794,8 @@
         "UYU",
         "VEF",
         "VND",
-        "XAR",
+        "XAF",
+        "XRP",
         "ZAR",
         "ZMW"
     ],
@@ -793,19 +805,13 @@
     "NegocieCoins": [
         "BRL"
     ],
+    "TheRockTrading": [
+        "EUR"
+    ],
     "WEX": [
         "EUR",
         "RUB",
         "USD"
     ],
-     "itBit": [],
-     "Bitbank": [
-         "JPY"
-     ],
-     "BitFlyer": [
-         "JPY"
-     ],
-     "Zaif": [
-         "JPY"
-     ]
- }
+    "itBit": []
+}

lib/exchange_rate.py

@@ -114,7 +114,6 @@ class ExchangeBase(PrintError):
         rates = self.get_rates('')
         return sorted([str(a) for (a, b) in rates.items() if b is not None and len(a)==3])
 
-
 class BitcoinAverage(ExchangeBase):
 
     def get_rates(self, ccy):
@@ -325,9 +324,12 @@ class NegocieCoins(ExchangeBase):
         json = self.get_json('api.bitvalor.com', '/v1/ticker.json')
         return {'BRL': Decimal(json['ticker_1h']['exchanges']['NEG']['last'])}
 
-    def history_ccys(self):
-        return ['BRL']
+class TheRockTrading(ExchangeBase):
 
+    def get_rates(self, ccy):
+        json = self.get_json('api.therocktrading.com', 
+                             '/v1/funds/BTCEUR/ticker')
+        return {'EUR': Decimal(json['last'])}
 
 class Unocoin(ExchangeBase):