From 4d45b10e5d91f7ba8b53fe6e469ab57a2ee075d1 Mon Sep 17 00:00:00 2001
From: Giovanni Sanchez <108043524+sisyphusSmiling@users.noreply.github.com>
Date: Fri, 12 Apr 2024 19:44:07 -0500
Subject: [PATCH] add assertion on non-nil symbol value in ERC20 deployment

---
 cadence/contracts/bridge/FlowEVMBridge.cdc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cadence/contracts/bridge/FlowEVMBridge.cdc b/cadence/contracts/bridge/FlowEVMBridge.cdc
index 9b22c09a..f41a76ed 100644
--- a/cadence/contracts/bridge/FlowEVMBridge.cdc
+++ b/cadence/contracts/bridge/FlowEVMBridge.cdc
@@ -741,6 +741,9 @@ contract FlowEVMBridge : IFlowEVMNFTBridge, IFlowEVMTokenBridge {
             contractURI = "data:application/json;utf8,{".concat(serializedDisplay).concat("}")
         }
 
+        // Ensure symbol is assigned before proceeding
+        assert(symbol != nil, message: "Symbol must be assigned before deploying ERC20 contract")
+
         // Call to the factory contract to deploy an ERC20 & validate result
         let callResult: EVM.Result = FlowEVMBridgeUtils.call(
             signature: "deployERC20(string,string,string,string,string)",