fix

chore: fix @ethereumjs/util mock

.storybook/main.js

@@ -59,6 +59,9 @@ module.exports = {
     config.resolve.alias['@ethereumjs/util'] = require.resolve(
       '../ui/__mocks__/ethereumjs-util.js',
     );
+    config.resolve.alias['ethereumjs-util'] = require.resolve(
+      '../ui/__mocks__/ethereumjs-util.js',
+    );
     config.resolve.alias['./useNftCollectionsMetadata'] = require.resolve(
       '../ui/__mocks__/useNftCollectionsMetadata.js',
     );

ui/__mocks__/ethereumjs-util.js

@@ -1,9 +1,32 @@
-const zeroAddress = function() {
-  const addressLength = 20
-  const addr = zeros(addressLength)
-  return bufferToHex(addr)
-}
+// Vendored from @ethereumjs/[email protected] / [email protected]
 
+/**
+ * Converts a `Buffer` into a `0x`-prefixed hex `String`.
+ *
+ * @param buf - `Buffer` object to convert
+ */
+const bufferToHex = function (buf) {
+  // buf = toBuffer(buf);
+  return `0x${buf.toString('hex')}`;
+};
+
+/**
+ * Returns a buffer filled with 0s.
+ *
+ * @param bytes - the number of bytes the buffer should be
+ */
+const zeros = function (bytes) {
+  return Buffer.allocUnsafe(bytes).fill(0);
+};
+
+/**
+ * Returns the zero address.
+ */
+const zeroAddress = function () {
+  const addressLength = 20;
+  const addr = zeros(addressLength);
+  return bufferToHex(addr);
+};
 
 module.exports = {
   zeroAddress,

ui/hooks/bridge/useLatestBalance.test.ts

@@ -1,7 +1,3 @@
-import { zeroAddress } from '@ethereumjs/util';
-import { BigNumber } from 'bignumber.js';
-import { renderHookWithProvider } from '../../../test/lib/render-helpers';
-import { CHAIN_IDS } from '../../../shared/constants/network';
 import { createBridgeMockStore } from '../../../test/jest/mock-store';
 import { createTestProviderTools } from '../../../test/stub/provider';
 import * as tokenutil from '../../../shared/lib/token-util';

ui/pages/confirmations/components/transaction-alerts/transaction-alerts.stories.js

@@ -44,7 +44,9 @@ const customTransaction = ({
   };
   // just simulate hash if not provided
   if (!props?.hash) {
-    tx.hash = `0x${Buffer.from(keccak256(Buffer.from(JSON.stringify(tx)))).toString('hex')}`;
+    tx.hash = `0x${Buffer.from(
+      keccak256(Buffer.from(JSON.stringify(tx))),
+    ).toString('hex')}`;
   }
   return tx;
 };