From f0bb7c494d7757b8ca29cc1809d55e7974fd8d89 Mon Sep 17 00:00:00 2001
From: str-mv <strmax20@gmail.com>
Date: Thu, 25 Nov 2021 10:22:21 +0000
Subject: [PATCH] Fungible allowance fixed


---
--- a/pallets/fungible/src/lib.rs
+++ b/pallets/fungible/src/lib.rs
@@ -285,7 +285,11 @@
 		spender: &T::CrossAccountId,
 		amount: u128,
 	) {
-		<Allowance<T>>::insert((collection.id, owner, spender), amount);
+		if amount == 0 {
+			<Allowance<T>>::remove((collection.id, owner, spender));
+		} else {
+			<Allowance<T>>::insert((collection.id, owner, spender), amount);
+		}
 
 		collection.log_infallible(ERC20Events::Approval {
 			owner: *owner.as_eth(),

-- 
gitstuff