add letsdocoinz trade_page_url, fix fake timestamp

lib/cryptoexchange/exchanges/letsdocoinz/market.rb

@@ -3,6 +3,10 @@ module Letsdocoinz
     class Market < Cryptoexchange::Models::Market
       NAME = 'letsdocoinz'
       API_URL = 'http://api.letsdocoinz.com'
+
+      def self.trade_page_url(args={})
+        "https://letsdocoinz.com/#{args[:base]}-#{args[:target]}"
+      end
     end
   end
 end

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

@@ -39,7 +39,7 @@ def adapt(market_pair, output)
           ticker.ask       = NumericHelper.to_d(output['ask'])
           ticker.volume    = NumericHelper.to_d(output['volume'])
           ticker.change    = NumericHelper.to_d(output['change'])
-          ticker.timestamp = DateTime.parse(output['timestamp']).to_time.to_i
+          ticker.timestamp = nil
           ticker.payload   = output
           ticker
         end

spec/exchanges/letsdocoinz/integration/market_spec.rb

@@ -4,6 +4,11 @@
   let(:client) { Cryptoexchange::Client.new }
   let(:pk_btc_pair) { Cryptoexchange::Models::MarketPair.new(base: 'PK', target: 'BTC', market: 'letsdocoinz') }
 
+  it 'give trade url' do
+    trade_page_url = client.trade_page_url pk_btc_pair.market, base: pk_btc_pair.base, target: pk_btc_pair.target
+    expect(trade_page_url).to eq "https://letsdocoinz.com/PK-BTC"
+  end
+
   it 'fetch pairs' do
     pairs = client.pairs('letsdocoinz')
     expect(pairs).not_to be_empty
@@ -25,8 +30,7 @@
     expect(ticker.ask).to be_a Numeric
     expect(ticker.change).to be_a Numeric
     expect(ticker.volume).to be_a Numeric
-    expect(ticker.timestamp).to be_a Numeric
-    expect(2000..Date.today.year).to include(Time.at(ticker.timestamp).year)
+    expect(ticker.timestamp).to be nil
     expect(ticker.payload).to_not be nil
   end
   #