fix data types

src/application/model/block.php

@@ -17,7 +17,7 @@ class ModelBlock extends Model {
     }
   }
 
-  public function addBlock(int $hash, int $time) {
+  public function addBlock(string $hash, int $time) {
 
     try {
 

src/application/model/user.php

@@ -19,7 +19,7 @@ class ModelUser extends Model {
     }
   }
 
-  public function addUser(int $blockId, int $userName) {
+  public function addUser(int $blockId, string $userName) {
 
     try {