Withdraw.sol: actually send value

CyberCat-Institute · Sep 26, 2023 · 9f3f8bc · 9f3f8bc
1 parent 977a06d
commit 9f3f8bc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/solitidy/Withdraw.sol b/solitidy/Withdraw.sol
@@ -1,4 +1,3 @@
-
 pragma solidity >=0.8.2 <0.9.0;
 
 /**
@@ -23,6 +22,8 @@ contract Piggybank {
     function retrieve(uint256 _amount) public  {
         require(_balance >= _amount, "insufficient funds.");
         _balance = _balance - _amount;
-        msg.sender.call{value: _amount};
+        (bool res, ) = msg.sender.call{value: _amount}("");
+        require(res, "transfer failed!");
     }
 }
+