Safety check that deposit amounts are positive

Even without this, `deposit` should still fail on the `xfer_from`, so it shouldn't be an issue.
stellar · Jan 9, 2023 · c05fddf · c05fddf
1 parent 47c382a
commit c05fddf
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/contracts/crowdfund/src/lib.rs b/contracts/crowdfund/src/lib.rs
@@ -181,6 +181,7 @@ impl Crowdfund {
     }
 
     pub fn deposit(e: Env, user: Identifier, amount: i128) {
+        assert!(amount > 0, "amount must be positive");
         assert!(get_state(&e) == State::Running, "sale is not running");
 
         let recipient = get_recipient(&e);