diff --git a/app/src/main/java/io/kthulu/sdk/MainActivity.kt b/app/src/main/java/io/kthulu/sdk/MainActivity.kt
index 7c2d428..2f1a44a 100644
--- a/app/src/main/java/io/kthulu/sdk/MainActivity.kt
+++ b/app/src/main/java/io/kthulu/sdk/MainActivity.kt
@@ -29,12 +29,8 @@ class MainActivity : AppCompatActivity(), CoroutineScope by MainScope() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        // Setting the context
-        MyContext.setAppContext(this)
-
         launch {
             withContext(Dispatchers.IO) {
-
             }
         }
     }
diff --git a/app/src/main/java/io/kthulu/sdk/account.kt b/app/src/main/java/io/kthulu/sdk/account.kt
index c820be6..82968b6 100644
--- a/app/src/main/java/io/kthulu/sdk/account.kt
+++ b/app/src/main/java/io/kthulu/sdk/account.kt
@@ -28,7 +28,7 @@ suspend fun createAccountsAsync(
     // save data arrya
     var saveMainNet = JSONArray()
     var jsonData = JSONObject()
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -79,6 +79,7 @@ suspend fun createAccountsAsync(
         resultData
 
     } catch(e: Exception){
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -123,7 +124,7 @@ suspend fun restoreAccountAsync(
     var saveMainNet = JSONArray()
     var jsonData = JSONObject()
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -190,6 +191,7 @@ suspend fun restoreAccountAsync(
 
         resultData
     } catch(e: Exception){
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -199,7 +201,7 @@ suspend fun restoreAccountAsync(
 }
 
 suspend fun getAccountInfoAsync(account: String): JSONObject = withContext(Dispatchers.IO) {
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var jsonData = JSONObject()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
@@ -234,6 +236,7 @@ suspend fun getAccountInfoAsync(account: String): JSONObject = withContext(Dispa
             put("value", resultArray)
         }
     } catch(e: Exception){
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -252,7 +255,7 @@ suspend fun getBalanceAsync(
     networkSettings(network)
     val jsonData = JSONObject()
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
         put("value", resultArray)
@@ -293,6 +296,7 @@ suspend fun getBalanceAsync(
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -307,7 +311,7 @@ suspend fun getTokenInfoAsync(
     networkSettings(network)
     val jsonData = JSONObject()
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
         put("value", resultArray)
@@ -387,6 +391,7 @@ suspend fun getTokenInfoAsync(
         resultData.put("result", "OK")
         resultData.put("value", resultArray)
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -402,7 +407,7 @@ suspend fun getTokenHistoryAsync(
     limit: Int? = 1000,
     page_number: Int? = 1
 ) : JSONObject = withContext(Dispatchers.IO) {
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var jsonData = JSONObject()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
@@ -474,6 +479,7 @@ suspend fun getTokenHistoryAsync(
         dbConnector.disconnect()
         resultData
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -486,7 +492,7 @@ suspend fun getTokenHistoryAsync(
 suspend fun getUsersAsync(
     owner: String
 ) : JSONObject = withContext(Dispatchers.IO) {
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var jsonData = JSONObject()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
@@ -528,6 +534,7 @@ suspend fun getUsersAsync(
         dbConnector.disconnect()
         resultData
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -541,7 +548,7 @@ suspend fun getTokenListAsync(
     sort: String? = "DESC",
     limit: Int? = 1000,
     page_number: Int? = 1): JSONObject = withContext(Dispatchers.IO) {
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var jsonData = JSONObject()
     val resultData = JSONObject().apply {
         put("result", "FAIL")
@@ -613,6 +620,7 @@ suspend fun getTokenListAsync(
         dbConnector.disconnect()
         resultData
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
diff --git a/app/src/main/java/io/kthulu/sdk/transaction.kt b/app/src/main/java/io/kthulu/sdk/transaction.kt
index f8dafb3..1627da5 100644
--- a/app/src/main/java/io/kthulu/sdk/transaction.kt
+++ b/app/src/main/java/io/kthulu/sdk/transaction.kt
@@ -45,7 +45,7 @@ suspend fun sendTransactionAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -185,12 +185,14 @@ suspend fun sendTransactionAsync(
             resultData.put("result", "OK")
             resultData.put("value", resultArray)
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "insufficient funds")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -210,7 +212,7 @@ suspend fun sendTokenTransactionAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -370,12 +372,14 @@ suspend fun sendTokenTransactionAsync(
             resultData.put("result", "OK")
             resultData.put("value", resultArray)
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "insufficient funds")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -394,7 +398,7 @@ suspend fun deployErc20Async(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
 
     resultData.put("result", "FAIL")
@@ -512,6 +516,7 @@ suspend fun deployErc20Async(
                     .getString("gas")
 
             } catch (e: Exception){
+                resultArray = JSONArray()
                 jsonData.put("error", e.message)
                 resultArray.put(jsonData)
                 resultData.put("result", "FAIL")
@@ -552,12 +557,14 @@ suspend fun deployErc20Async(
             resultData.put("result", "OK")
             resultData.put("value", resultArray)
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "insufficient funds")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -576,7 +583,7 @@ suspend fun bridgeCoinAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
 
     resultData.put("result", "FAIL")
@@ -714,12 +721,14 @@ suspend fun bridgeCoinAsync(
             resultData.put("result", "OK")
             resultData.put("value", resultArray)
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "insufficient funds")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -738,7 +747,7 @@ suspend fun bridgeTokenAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
 
     resultData.put("result", "FAIL")
@@ -952,12 +961,14 @@ suspend fun bridgeTokenAsync(
             resultData.put("result", "OK")
             resultData.put("value", resultArray)
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "insufficient funds")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -976,7 +987,7 @@ suspend fun tokenSwapAppoveAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -1094,6 +1105,7 @@ suspend fun tokenSwapAppoveAsync(
                 resultData.put("result", "OK")
                 resultData.put("value", resultArray)
             } else {
+                resultArray = JSONArray()
                 jsonData.put("error", "insufficient funds")
                 resultArray.put(jsonData)
                 resultData.put("result", "FAIL")
@@ -1101,12 +1113,14 @@ suspend fun tokenSwapAppoveAsync(
             }
 
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "pair not found")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -1126,7 +1140,7 @@ suspend fun coinForTokenswapAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -1247,6 +1261,7 @@ suspend fun coinForTokenswapAsync(
             }
 
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "pair not found")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
@@ -1254,6 +1269,7 @@ suspend fun coinForTokenswapAsync(
             return@withContext resultData
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -1274,7 +1290,7 @@ suspend fun tokenForTokenswapAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -1404,6 +1420,7 @@ suspend fun tokenForTokenswapAsync(
                 resultData.put("result", "OK")
                 resultData.put("value", resultArray)
             } else {
+                resultArray = JSONArray()
                 jsonData.put("error", "insufficient funds")
                 resultArray.put(jsonData)
                 resultData.put("result", "FAIL")
@@ -1411,12 +1428,14 @@ suspend fun tokenForTokenswapAsync(
             }
 
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "pair not found")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")
@@ -1436,7 +1455,7 @@ suspend fun tokenForCoinswapAsync(
     val jsonData = JSONObject()
 
     // return array & object
-    val resultArray = JSONArray()
+    var resultArray = JSONArray()
     var resultData = JSONObject()
     resultData.put("result", "FAIL")
     resultData.put("value", resultArray)
@@ -1574,6 +1593,7 @@ suspend fun tokenForCoinswapAsync(
                 resultData.put("result", "OK")
                 resultData.put("value", resultArray)
             } else {
+                resultArray = JSONArray()
                 jsonData.put("error", "insufficient funds")
                 resultArray.put(jsonData)
                 resultData.put("result", "FAIL")
@@ -1581,12 +1601,14 @@ suspend fun tokenForCoinswapAsync(
             }
 
         } else {
+            resultArray = JSONArray()
             jsonData.put("error", "pair not found")
             resultArray.put(jsonData)
             resultData.put("result", "FAIL")
             resultData.put("value", resultArray)
         }
     } catch (e: Exception) {
+        resultArray = JSONArray()
         jsonData.put("error", e.message)
         resultArray.put(jsonData)
         resultData.put("result", "FAIL")