WIP: add xbtprime

lib/cryptoexchange/exchanges/xbt_prime/market.rb

@@ -0,0 +1,8 @@
+module Cryptoexchange::Exchanges
+  module XbtPrime
+    class Market < Cryptoexchange::Models::Market
+      NAME = 'xbt_prime'
+      API_URL = 'https://api.primexbt.com/v1'
+    end
+  end
+end

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

@@ -0,0 +1,50 @@
+module Cryptoexchange::Exchanges
+  module XbtPrime
+    module Services
+      class Market < Cryptoexchange::Services::Market
+        class << self
+          def supports_individual_ticker_query?
+            false
+          end
+        end
+
+        def fetch
+          output = super(ticker_url)
+          adapt_all(output)
+        end
+
+        def ticker_url
+          "#{Cryptoexchange::Exchanges::XbtPrime::Market::API_URL}/tickers"
+        end
+
+        def adapt_all(output)
+          output['ticker'].map do |pair|
+            base, target = pair['symbol'].split('_')
+            market_pair  = Cryptoexchange::Models::MarketPair.new(
+              base:   base,
+              target: target,
+              market: XbtPrime::Market::NAME
+            )
+            adapt(market_pair, pair)
+          end
+        end
+
+        def adapt(market_pair, output)
+          ticker           = Cryptoexchange::Models::Ticker.new
+          ticker.base      = market_pair.base
+          ticker.target    = market_pair.target
+          ticker.market    = XbtPrime::Market::NAME
+          ticker.last      = NumericHelper.to_d(output['last'])
+          ticker.high      = NumericHelper.to_d(output['high'])
+          ticker.low       = NumericHelper.to_d(output['low'])
+          ticker.bid       = NumericHelper.to_d(output['buy'])
+          ticker.ask       = NumericHelper.to_d(output['sell'])
+          ticker.volume    = NumericHelper.to_d(output['vol'])
+          ticker.timestamp = nil
+          ticker.payload   = output
+          ticker
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,42 @@
+module Cryptoexchange::Exchanges
+  module XbtPrime
+    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, market_pair)
+        end
+
+        def ticker_url(market_pair)
+          "#{Cryptoexchange::Exchanges::XbtPrime::Market::API_URL}/depth?symbol=#{market_pair.base.downcase}_#{market_pair.target.downcase}"
+        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    = XbtPrime::Market::NAME
+          order_book.asks      = adapt_orders(output['asks'])
+          order_book.bids      = adapt_orders(output['bids'])
+          order_book.timestamp = Time.now.to_i
+          order_book.payload   = output
+          order_book
+        end
+
+        def adapt_orders(orders)
+          orders.collect do |order_entry|
+            Cryptoexchange::Models::Order.new(price: order_entry[0],
+                                              amount: order_entry[1])
+          end
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,25 @@
+module Cryptoexchange::Exchanges
+  module XbtPrime
+    module Services
+      class Pairs < Cryptoexchange::Services::Pairs
+        PAIRS_URL = "#{Cryptoexchange::Exchanges::XbtPrime::Market::API_URL}/markets"
+
+        def fetch
+          output = super
+          market_pairs = []
+          output['data'].each do |pair|
+            next unless pair['name'].include?('/')
+
+            base, target = pair['name'].split('/')
+            market_pairs << Cryptoexchange::Models::MarketPair.new(
+                              base: base,
+                              target: target,
+                              market: XbtPrime::Market::NAME
+                            )
+          end.compact
+          market_pairs
+        end
+      end
+    end
+  end
+end

lib/cryptoexchange/exchanges/xbt_prime/services/trades.rb

@@ -0,0 +1,31 @@
+module Cryptoexchange::Exchanges
+  module XbtPrime
+    module Services
+      class Trades < Cryptoexchange::Services::Market
+        def fetch(market_pair)
+          output = super(ticker_url(market_pair))
+          adapt(output, market_pair)
+        end
+
+        def ticker_url(market_pair)
+          "#{Cryptoexchange::Exchanges::XbtPrime::Market::API_URL}/trades?symbol=#{market_pair.base.downcase}_#{market_pair.target.downcase}"
+        end
+
+        def adapt(output, market_pair)
+          output.collect do |trade|
+            tr = Cryptoexchange::Models::Trade.new
+            tr.base      = market_pair.base
+            tr.target    = market_pair.target
+            tr.market    = XbtPrime::Market::NAME
+            tr.type      = trade['side']
+            tr.price     = trade['price']
+            tr.amount    = trade['amount']
+            tr.timestamp = trade['timestamp']/1000
+            tr.payload   = trade
+            tr
+          end
+        end
+      end
+    end
+  end
+end