update codeblock in trace component

packages/dev-tools-pages/ts/components/Trace.tsx

@@ -61,7 +61,17 @@ function Trace(props: Props) {
                         Sol-trace will give you full stack traces, including contract names, line numbers and code
                         snippets, every time you encounter an error.
                     </MainCopy>
-                    <Code light>Error: VM Exception while processing transaction: rever</Code>
+                    <Code light language="javascript">
+                    {`contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol:51:8
+    require(
+        isValidSignature(
+            hash,
+            signerAddress,
+            signature
+        ),
+        "INVALID_SIGNATURE"
+    )`}
+        </Code>
 
                     <List>
                         <Item>