add WithdrawStatus API call

lib/kraken_ruby/client.rb

@@ -119,6 +119,10 @@ def deposit_status(opts={})
       post_private 'DepositStatus', opts
     end
 
+    def withdraw_status(opts={})
+      post_private 'WithdrawStatus', opts
+    end
+
     #### Private User Trading ####
 
     def add_order(opts={})

spec/client_spec.rb

@@ -85,6 +85,22 @@
         expect(result).to have_key 'time'
       end
     end
-	end
 
+    it "gets withdraw status" do
+      results = kraken.withdraw_status(asset: "XXBT")
+      pp results
+      expect(results).to be_instance_of(Array)
+      if result = results.first
+        expect(result).to have_key 'method'
+        expect(result).to have_key 'aclass'
+        expect(result).to have_key 'refid'
+        expect(result).to have_key 'txid'
+        expect(result).to have_key 'info'
+        expect(result).to have_key 'amount'
+        expect(result).to have_key 'fee'
+        expect(result).to have_key 'status'
+        expect(result).to have_key 'time'
+      end
+    end
+  end
 end