Add ionomy exchange

Author: MitchellCash

README.md

@@ -322,6 +322,7 @@ Or install it yourself as:
 | IndependentReserve| Y       | Y [x]      | N       |         | Y           | Y        |independent_reserve|       |
 | InfinityCoin      | Y       |            |         |         | Y           | Y        | infinity_coin     |       |
 | InstantBitex      | Y       | Y [x]      | Y       |         | Y           |          | instantbitex      |       |
+| ionomy            | Y       | Y          | Y       |         | Y           | Y        | ionomy            |       |
 | Iqfinex           | Y       | Y          | Y       |         | Y           | Y        | iqfinex           |       |
 | Ironex            | Y       |            |         |         | Y           |          | ironex            |       |
 | Itbit             | Y       | Y [x]      | Y       |         | User-Defined|          | itbit             |       |

lib/cryptoexchange/exchanges/ionomy/market.rb

@@ -0,0 +1,12 @@
+module Cryptoexchange::Exchanges
+  module Ionomy
+    class Market < Cryptoexchange::Models::Market
+      NAME = 'ionomy'
+      API_URL = 'https://ionomy.com/api/v1'
+
+      def self.trade_page_url(args={})
+        "https://ionomy.com/en/markets/#{args[:target]}-#{args[:base]}"
+      end
+    end
+  end
+end

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

@@ -0,0 +1,52 @@
+module Cryptoexchange::Exchanges
+  module Ionomy
+    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::Ionomy::Market::API_URL}/public/markets-summaries"
+        end
+
+        def adapt_all(output)
+          output['data'].map do |output|
+            target, base = output['market'].split('-')
+            market_pair = Cryptoexchange::Models::MarketPair.new(
+                            base: base,
+                            target: target,
+                            market: Ionomy::Market::NAME
+                          )
+
+            adapt(output, market_pair)
+          end
+        end
+
+        def adapt(output, market_pair)
+          ticker           = Cryptoexchange::Models::Ticker.new
+          ticker.base      = market_pair.base
+          ticker.target    = market_pair.target
+          ticker.market    = Ionomy::Market::NAME
+          ticker.bid       = NumericHelper.to_d(output['highestBid'])
+          ticker.ask       = NumericHelper.to_d(output['lowestAsk'])
+          ticker.last      = NumericHelper.to_d(output['price'])
+          ticker.volume    = NumericHelper.to_d(output['volume'])
+          ticker.high      = NumericHelper.to_d(output['high'])
+          ticker.low       = NumericHelper.to_d(output['low'])
+          ticker.change    = NumericHelper.to_d(output['change'])
+          ticker.timestamp = nil
+          ticker.payload   = output
+          ticker
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,45 @@
+module Cryptoexchange::Exchanges
+  module Ionomy
+    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)
+          base   = market_pair.base
+          target = market_pair.target
+          "#{Cryptoexchange::Exchanges::Ionomy::Market::API_URL}/public/orderbook?market=#{target}-#{base}&type=both"
+        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    = Ionomy::Market::NAME
+          order_book.asks      = adapt_orders output['data']['asks']
+          order_book.bids      = adapt_orders output['data']['bids']
+          order_book.timestamp = nil
+          order_book.payload   = output
+          order_book
+        end
+
+        def adapt_orders(orders)
+          orders.collect do |order_entry|
+            Cryptoexchange::Models::Order.new(price:  order_entry['price'],
+                                              amount: order_entry['size']
+            )
+          end
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,25 @@
+module Cryptoexchange::Exchanges
+  module Ionomy
+    module Services
+      class Pairs < Cryptoexchange::Services::Pairs
+        PAIRS_URL = "#{Cryptoexchange::Exchanges::Ionomy::Market::API_URL}/public/markets"
+
+        def fetch
+          output = super
+          adapt(output)
+        end
+
+        def adapt(output)
+          output['data'].map do |output|
+            target, base = output['market'].split('-')
+            Cryptoexchange::Models::MarketPair.new(
+              base: base,
+              target: target,
+              market: Ionomy::Market::NAME
+            )
+          end
+        end
+      end
+    end
+  end
+end

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

@@ -0,0 +1,34 @@
+module Cryptoexchange::Exchanges
+  module Ionomy
+    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)
+          base   = market_pair.base
+          target = market_pair.target
+          "#{Cryptoexchange::Exchanges::Ionomy::Market::API_URL}/public/market-history?market=#{target}-#{base}"
+        end
+
+        def adapt(output, market_pair)
+          output['data'].collect do |trade|
+            tr = Cryptoexchange::Models::Trade.new
+            tr.trade_id  = nil
+            tr.base      = market_pair.base
+            tr.target    = market_pair.target
+            tr.market    = Ionomy::Market::NAME
+            tr.type      = (trade['type'].include? "_BUY") ? "buy" : "sell"
+            tr.price     = trade['price']
+            tr.amount    = trade['amount']
+            tr.timestamp = DateTime.parse(trade['createdAt']).to_time.to_i
+            tr.payload   = trade
+            tr
+          end
+        end
+      end
+    end
+  end
+end