upgrade to ethereumjs-util v7.0.2

lib/rpc/modules/web3.js

@@ -1,7 +1,7 @@
 'use strict'
 
 const { middleware, validators } = require('../validation')
-const { addHexPrefix, keccak256 } = require('ethereumjs-util')
+const { addHexPrefix, keccak, toBuffer } = require('ethereumjs-util')
 const { platform } = require('os')
 
 /**
@@ -45,7 +45,7 @@ class Web3 {
    */
   sha3 (params, cb) {
     try {
-      const rawDigest = keccak256(params[0])
+      const rawDigest = keccak(toBuffer(params[0]))
       const hexEncodedDigest = addHexPrefix(rawDigest.toString('hex'))
       cb(null, hexEncodedDigest)
     } catch (err) {

lib/util/parse.js

@@ -48,7 +48,7 @@ async function parseStorage (storage) {
   const promises = []
   for (let [address, value] of Object.entries(storage)) {
     address = toBuffer(address)
-    value = util.rlp.encode(util.unpad(toBuffer(value)))
+    value = util.rlp.encode(util.unpadBuffer(toBuffer(value)))
     promises.push(new Promise((resolve, reject) => {
       trie.put(address, value, (err) => {
         if (err) return reject(err)
@@ -70,7 +70,7 @@ async function parseGethState (alloc) {
       account.balance = new util.BN(value.balance.slice(2), 16)
     }
     if (value.code) {
-      account.codeHash = util.keccak(value.code)
+      account.codeHash = util.keccak(util.toBuffer(value.code))
     }
     if (value.storage) {
       account.stateRoot = (await parseStorage(value.storage)).root

package.json

@@ -58,7 +58,7 @@
     "ethereumjs-blockchain": "^3.4.0",
     "ethereumjs-common": "^1.5.1",
     "ethereumjs-devp2p": "^2.5.1",
-    "ethereumjs-util": "^6.1.0",
+    "ethereumjs-util": "^7.0.2",
     "fs-extra": "^7.0.1",
     "jayson": "^2.0.6",
     "level": "^6.0.1",