ethereumjs / ethereumjs-account / 48

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Build # 48

Build Type

push

travis-ci

Committed by

holgerd77

Commit Message

Add safe-buffer dependency, replace deprecated Buffer usages with Buffer.from() (also fixes linting)

Run Details

0 of 10 branches covered (0.0%)

3 of 3 new or added lines in 1 file covered. (100.0%)

14 of 37 relevant lines covered (37.84%)

0.73 hits per line

Source File
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37.84

/index.js

const ethUtil = require('ethereumjs-util')
const rlp = require('rlp')
const Buffer = require('safe-buffer').Buffer

var Account = module.exports = function (data) {
  // Define Properties
  var fields = [{
    name: 'nonce',
    default: Buffer.allocUnsafe(0)
  }, {
    name: 'balance',
    default: Buffer.allocUnsafe(0)
  }, {
    name: 'stateRoot',
    length: 32,
    default: ethUtil.SHA3_RLP
  }, {
    name: 'codeHash',
    length: 32,
    default: ethUtil.SHA3_NULL
  }]

  ethUtil.defineProperties(this, fields, data)
}

Account.prototype.serialize = function () {
  return rlp.encode(this.raw)
}

Account.prototype.isContract = function () {
  return this.codeHash.toString('hex') !== ethUtil.SHA3_NULL_S
}

Account.prototype.getCode = function (state, cb) {
  if (!this.isContract()) {
    cb(null, Buffer.allocUnsafe(0))
    return
  }

  state.getRaw(this.codeHash, cb)
}

Account.prototype.setCode = function (trie, code, cb) {
  var self = this

  this.codeHash = ethUtil.sha3(code)

  if (this.codeHash.toString('hex') === ethUtil.SHA3_NULL_S) {
    cb(null, Buffer.allocUnsafe(0))
    return
  }

  trie.putRaw(this.codeHash, code, function (err) {
    cb(err, self.codeHash)
  })
}

Account.prototype.getStorage = function (trie, key, cb) {
  var t = trie.copy()
  t.root = this.stateRoot
  t.get(key, cb)
}

Account.prototype.setStorage = function (trie, key, val, cb) {
  var self = this
  var t = trie.copy()
  t.root = self.stateRoot
  t.put(key, val, function (err) {
    if (err) return cb()
    self.stateRoot = t.root
    cb()
  })
}

Account.prototype.isEmpty = function () {
  return this.balance.toString('hex') === '' &&
  this.nonce.toString('hex') === '' &&
  this.stateRoot.toString('hex') === ethUtil.SHA3_RLP_S &&
  this.codeHash.toString('hex') === ethUtil.SHA3_NULL_S
}

1	const ethUtil = require('ethereumjs-util')	1✔
2	const rlp = require('rlp')	1✔
3	const Buffer = require('safe-buffer').Buffer	1✔
4
5	var Account = module.exports = function (data) {	1✔
6	// Define Properties
7	var fields = [{	7✔
8	name: 'nonce',
9	default: Buffer.allocUnsafe(0)
10	}, {
11	name: 'balance',
12	default: Buffer.allocUnsafe(0)
13	}, {
14	name: 'stateRoot',
15	length: 32,
16	default: ethUtil.SHA3_RLP
17	}, {
18	name: 'codeHash',
19	length: 32,
20	default: ethUtil.SHA3_NULL
21	}]
22
23	ethUtil.defineProperties(this, fields, data)	7✔
24	}
25
26	Account.prototype.serialize = function () {	1✔
27	return rlp.encode(this.raw)	×
28	}
29
30	Account.prototype.isContract = function () {	1✔
31	return this.codeHash.toString('hex') !== ethUtil.SHA3_NULL_S	2✔
32	}
33
34	Account.prototype.getCode = function (state, cb) {	1✔
35	if (!this.isContract()) {	×
36	cb(null, Buffer.allocUnsafe(0))	×
37	return	×
38	}
39
40	state.getRaw(this.codeHash, cb)	×
41	}
42
43	Account.prototype.setCode = function (trie, code, cb) {	1✔
44	var self = this	×
45
46	this.codeHash = ethUtil.sha3(code)	×
47
48	if (this.codeHash.toString('hex') === ethUtil.SHA3_NULL_S) {	×
49	cb(null, Buffer.allocUnsafe(0))	×
50	return	×
51	}
52
53	trie.putRaw(this.codeHash, code, function (err) {	×
54	cb(err, self.codeHash)	×
55	})
56	}
57
58	Account.prototype.getStorage = function (trie, key, cb) {	1✔
59	var t = trie.copy()	×
60	t.root = this.stateRoot	×
61	t.get(key, cb)	×
62	}
63
64	Account.prototype.setStorage = function (trie, key, val, cb) {	1✔
65	var self = this	×
66	var t = trie.copy()	×
67	t.root = self.stateRoot	×
68	t.put(key, val, function (err) {	×
69	if (err) return cb()	×
70	self.stateRoot = t.root	×
71	cb()	×
72	})
73	}
74
75	Account.prototype.isEmpty = function () {	1✔
76	return this.balance.toString('hex') === '' &&	×
77	this.nonce.toString('hex') === '' &&
78	this.stateRoot.toString('hex') === ethUtil.SHA3_RLP_S &&
79	this.codeHash.toString('hex') === ethUtil.SHA3_NULL_S
80	}

ethereumjs / ethereumjs-account / 48

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