Fixed upgrade bug

libs/remix-core-plugin/src/types/contract.ts

@@ -20,7 +20,8 @@ export interface ContractData {
     getConstructorInterface: () => any,
     getConstructorInputs: () => any,
     isOverSizeLimit: () => boolean,
-    metadata: any
+    metadata: any,
+    contractName?: string
 }
 
 export interface ContractAST {

libs/remix-ui/run-tab/src/lib/components/contractDropdownUI.tsx

@@ -235,7 +235,7 @@ export function ContractDropdownUI (props: ContractDropdownProps) {
   }
 
   const isValidProxyUpgrade = (proxyAddress: string) => {
-    return props.isValidProxyUpgrade(proxyAddress, loadedContractData.name, loadedContractData.compiler.source, loadedContractData.compiler.data)
+    return props.isValidProxyUpgrade(proxyAddress, loadedContractData.contractName || loadedContractData.name, loadedContractData.compiler.source, loadedContractData.compiler.data)
   }
 
   const checkSumWarning = () => {