fix linting issues; missing requires and params

src/blockchain/blockchain.js

@@ -11,8 +11,6 @@ const Personal = require('web3-eth-personal')
 const Web3 = require('web3')
 
 const async = require('async')
-const { BN, privateToAddress, isValidPrivate, stripHexPrefix } = require('ethereumjs-util')
-const crypto = require('crypto')
 const { EventEmitter } = require('events')
 
 const { resultToRemixTx } = require('./txResultHelper')

src/blockchain/providers/injected.js

@@ -1,4 +1,5 @@
 const Web3 = require('web3')
+const { stripHexPrefix } = require('ethereumjs-util')
 
 class InjectedProvider {
 

src/blockchain/providers/node.js

@@ -1,4 +1,5 @@
 const Web3 = require('web3')
+const { stripHexPrefix } = require('ethereumjs-util')
 
 class NodeProvider {
 

src/blockchain/providers/vm.js

@@ -1,5 +1,6 @@
 const Web3 = require('web3')
-const { privateToAddress, toChecksumAddress } = require('ethereumjs-util')
+const { BN, privateToAddress, toChecksumAddress, isValidPrivate, stripHexPrefix } = require('ethereumjs-util')
+const crypto = require('crypto')
 
 class VMProvider {
 
@@ -43,7 +44,7 @@ class VMProvider {
     this.accounts[toChecksumAddress('0x' + address.toString('hex'))] = { privateKey, nonce: 0 }
   }
 
-  createVMAccount (passwordPromptCb, cb) {
+  createVMAccount (newAccount) {
     const { privateKey, balance } = newAccount
     this._addAccount(privateKey, balance)
     const privKey = Buffer.from(privateKey, 'hex')