update buyucoin api

lib/cryptoexchange/exchanges/buyucoin/market.rb

@@ -2,7 +2,7 @@ module Cryptoexchange::Exchanges
   module Buyucoin
     class Market < Cryptoexchange::Models::Market
       NAME    = 'buyucoin'
-      API_URL = 'https://www.buyucoin.com/api/v1.2'
+      API_URL = 'https://api.buyucoin.com/ticker/v1.0'
     end
   end
 end

lib/cryptoexchange/exchanges/buyucoin/services/market.rb

@@ -4,29 +4,17 @@ module Services
       class Market < Cryptoexchange::Services::Market
         class << self
           def supports_individual_ticker_query?
-            false
+            true
           end
         end
 
-        def fetch
-          output = super(ticker_url)
-          adapt_all(output)
+        def fetch(market_pair)
+          output = super(ticker_url(market_pair))
+          adapt(output['data'][0], market_pair)
         end
 
-        def ticker_url
-          "#{Cryptoexchange::Exchanges::Buyucoin::Market::API_URL}/currency/markets"
-        end
-
-        def adapt_all(output)
-          output['data'].map do |pair, ticker|
-            base, target = pair.split('_')
-            market_pair = Cryptoexchange::Models::MarketPair.new(
-              base: base,
-              target: target,
-              market: Buyucoin::Market::NAME
-            )
-            adapt(ticker, market_pair)
-          end
+        def ticker_url(market_pair)
+          "#{Cryptoexchange::Exchanges::Buyucoin::Market::API_URL}/liveData?symbol=#{market_pair.target}-#{market_pair.base}"
         end
 
         def adapt(output, market_pair)
@@ -36,11 +24,11 @@ def adapt(output, market_pair)
           ticker.market    = Buyucoin::Market::NAME
           ticker.ask       = NumericHelper.to_d(output['ask'])
           ticker.bid       = NumericHelper.to_d(output['bid'])
-          ticker.high      = NumericHelper.to_d(output['high_24'])
-          ticker.low       = NumericHelper.to_d(output['low_24'])
-          ticker.change    = NumericHelper.to_d(output['change'])
-          ticker.last      = NumericHelper.to_d(output['last_trade'])
-          ticker.volume    = NumericHelper.to_d(output['vol'])
+          ticker.high      = NumericHelper.to_d(output['h24'])
+          ticker.low       = NumericHelper.to_d(output['l24'])
+          ticker.change    = NumericHelper.to_d(output['c24'])
+          ticker.last      = NumericHelper.to_d(output['LTRate'])
+          ticker.volume    = NumericHelper.to_d(output['LBVol'])
           ticker.timestamp = nil
           ticker.payload   = output
           ticker

lib/cryptoexchange/exchanges/buyucoin/services/order_book.rb

@@ -0,0 +1,43 @@
+module Cryptoexchange::Exchanges
+  module Buyucoin
+    module Services
+      class OrderBook < Cryptoexchange::Services::Market
+        class << self
+          def supports_individual_ticker_query?
+            true
+          end
+        end
+
+        def fetch(market_pair)
+          output = super(ticker_url(market_pair))
+          adapt(output['data'], market_pair)
+        end
+
+        def ticker_url(market_pair)
+          "#{Cryptoexchange::Exchanges::Buyucoin::Market::API_URL}/liveOrderBook?symbol=#{market_pair.target}-#{market_pair.base}"
+        end
+
+        def adapt(output, market_pair)
+          order_book = Cryptoexchange::Models::OrderBook.new
+
+          order_book.base      = market_pair.base
+          order_book.target    = market_pair.target
+          order_book.market    = Buyucoin::Market::NAME
+          order_book.asks      = adapt_orders(output['SELL'])
+          order_book.bids      = adapt_orders(output['BUY'])
+          order_book.timestamp = nil
+          order_book.payload   = output
+          order_book
+        end
+
+        def adapt_orders(orders)
+          orders.collect do |order|
+            Cryptoexchange::Models::Order.new(price: order["price"].to_f,
+                                              amount: order["qty"].to_f,
+                                              timestamp: nil)
+          end
+        end
+      end
+    end
+  end
+end

lib/cryptoexchange/exchanges/buyucoin/services/pairs.rb

@@ -2,17 +2,16 @@ module Cryptoexchange::Exchanges
   module Buyucoin
     module Services
       class Pairs < Cryptoexchange::Services::Pairs
-        PAIRS_URL = "#{Cryptoexchange::Exchanges::Buyucoin::Market::API_URL}/currency/markets"
-
+        PAIRS_URL = "#{Cryptoexchange::Exchanges::Buyucoin::Market::API_URL}/liveData"
 
         def fetch
           output = super
           adapt(output)
         end
 
         def adapt(output)
-          output['data'].map do |pair, _value|
-            base, target = pair.split('_')
+          output['data'].map do |value|
+            target, base  = value["marketName"].split('-')
             Cryptoexchange::Models::MarketPair.new(
               base:   base,
               target: target,

spec/exchanges/buyucoin/integration/market_spec.rb

@@ -30,4 +30,19 @@
     expect(ticker.timestamp).to be nil
     expect(ticker.payload).to_not be nil
   end
+
+    it 'fetch order book' do
+    order_book = client.order_book(btc_inr_pair)
+
+    expect(order_book.base).to eq 'BTC'
+    expect(order_book.target).to eq 'INR'
+    expect(order_book.market).to eq 'buyucoin'
+    expect(order_book.asks).to_not be_empty
+    expect(order_book.bids).to_not be_empty
+    expect(order_book.asks.first.price).to_not be_nil
+    expect(order_book.bids.first.amount).to_not be_nil
+    expect(order_book.asks.count).to be > 10
+    expect(order_book.bids.count).to be > 10
+    expect(order_book.payload).to_not be nil
+  end
 end

spec/exchanges/buyucoin/market_spec.rb

@@ -2,5 +2,5 @@
 
 RSpec.describe Cryptoexchange::Exchanges::Buyucoin::Market do
   it { expect(described_class::NAME).to eq 'buyucoin' }
-  it { expect(described_class::API_URL).to eq 'https://www.buyucoin.com/api/v1.2' }
+  it { expect(described_class::API_URL).to eq 'https://api.buyucoin.com/ticker/v1.0' }
 end