additional check against nfts in liquidity pools

multiversx · Apr 26, 2021 · 876c934 · 876c934
1 parent 2e9b030
commit 876c934
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/elrond_dex_pair/src/lib.rs b/elrond_dex_pair/src/lib.rs
@@ -71,6 +71,10 @@ pub trait Pair {
         #[payment] payment: BigUint,
     ) -> SCResult<()> {
         require!(self.is_active(), "Not active");
+        require!(
+            self.call_value().esdt_token_nonce() == 0,
+            "Only fungible tokens are accepted in liquidity pools"
+        );
         require!(
             payment > 0,
             "PAIR: Funds transfer must be a positive number"