Added structs for Ticker information for various exchanges.

common.go

@@ -3,6 +3,8 @@ package main
 import (
 	"net/http"
 	"fmt"
+	"strings"
+	"encoding/json"
 	"io/ioutil"
 	"errors"
 )
@@ -35,3 +37,13 @@ func SendHTTPRequest(url string, jsonDecode bool, result interface{}) (err error
 	}
 	return
 }
+
+func JsonDecode(data string, result interface{}) (err error) {
+	r := json.NewDecoder(strings.NewReader(data))
+	err = r.Decode(result)
+
+	if err != nil {
+		return err
+	}
+	return
+}