sed -i 's/^let /const /'

src/ecpair.js

@@ -1,14 +1,14 @@
-let ecc = require('tiny-secp256k1')
-let randomBytes = require('randombytes')
-let typeforce = require('typeforce')
-let types = require('./types')
-let wif = require('wif')
+const ecc = require('tiny-secp256k1')
+const randomBytes = require('randombytes')
+const typeforce = require('typeforce')
+const types = require('./types')
+const wif = require('wif')
 
-let NETWORKS = require('./networks')
+const NETWORKS = require('./networks')
 
 // TODO: why is the function name toJSON weird?
 function isPoint (x) { return ecc.isPoint(x) }
-let isOptions = typeforce.maybe(typeforce.compile({
+const isOptions = typeforce.maybe(typeforce.compile({
   compressed: types.maybe(types.Boolean),
   network: types.maybe(types.Network)
 }))

src/index.js

@@ -1,5 +1,5 @@
-let script = require('./script')
-let templates = require('./templates')
+const script = require('./script')
+const templates = require('./templates')
 for (let key in templates) {
   script[key] = templates[key]
 }

src/script.js

@@ -1,6 +1,6 @@
 var Buffer = require('safe-buffer').Buffer
 var bip66 = require('bip66')
-let ecc = require('tiny-secp256k1')
+const ecc = require('tiny-secp256k1')
 var pushdata = require('pushdata-bitcoin')
 var typeforce = require('typeforce')
 var types = require('./types')

src/script_signature.js

@@ -1,9 +1,9 @@
-let bip66 = require('bip66')
-let Buffer = require('safe-buffer').Buffer
-let typeforce = require('typeforce')
-let types = require('./types')
+const bip66 = require('bip66')
+const Buffer = require('safe-buffer').Buffer
+const typeforce = require('typeforce')
+const types = require('./types')
 
-let ZERO = Buffer.alloc(1, 0)
+const ZERO = Buffer.alloc(1, 0)
 function toDER (x) {
   let i = 0
   while (x[i] === 0) ++i

test/address.js

@@ -1,10 +1,10 @@
 /* global describe, it */
 
-let assert = require('assert')
-let baddress = require('../src/address')
-let bscript = require('../src/script')
-let fixtures = require('./fixtures/address.json')
-let NETWORKS = Object.assign({
+const assert = require('assert')
+const baddress = require('../src/address')
+const bscript = require('../src/script')
+const fixtures = require('./fixtures/address.json')
+const NETWORKS = Object.assign({
   litecoin: {
     messagePrefix: '\x19Litecoin Signed Message:\n',
     bip32: {

test/ecpair.js

@@ -1,25 +1,25 @@
 /* global describe, it, beforeEach */
 /* eslint-disable no-new */
 
-let assert = require('assert')
-let proxyquire = require('proxyquire')
-let hoodwink = require('hoodwink')
+const assert = require('assert')
+const proxyquire = require('proxyquire')
+const hoodwink = require('hoodwink')
 
-let ECPair = require('../src/ecpair')
-let tinysecp = require('tiny-secp256k1')
+const ECPair = require('../src/ecpair')
+const tinysecp = require('tiny-secp256k1')
 
-let fixtures = require('./fixtures/ecpair.json')
+const fixtures = require('./fixtures/ecpair.json')
 
-let NETWORKS = require('../src/networks')
-let NETWORKS_LIST = [] // Object.values(NETWORKS)
+const NETWORKS = require('../src/networks')
+const NETWORKS_LIST = [] // Object.values(NETWORKS)
 for (let networkName in NETWORKS) {
   NETWORKS_LIST.push(NETWORKS[networkName])
 }
 
-let ZERO = Buffer.alloc(32, 0)
-let ONE = Buffer.from('0000000000000000000000000000000000000000000000000000000000000001', 'hex')
-let GROUP_ORDER = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141', 'hex')
-let GROUP_ORDER_LESS_1 = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140', 'hex')
+const ZERO = Buffer.alloc(32, 0)
+const ONE = Buffer.from('0000000000000000000000000000000000000000000000000000000000000001', 'hex')
+const GROUP_ORDER = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141', 'hex')
+const GROUP_ORDER_LESS_1 = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140', 'hex')
 
 describe('ECPair', function () {
   describe('constructor', function () {

test/integration/_regtest.js

@@ -68,8 +68,8 @@ function verify (txo, callback) {
 }
 
 // TODO: remove
-let baddress = bitcoin.address
-let bcrypto = bitcoin.crypto
+const baddress = bitcoin.address
+const bcrypto = bitcoin.crypto
 function getAddress (node, network) {
   network = network || bitcoin.networks.bitcoin
   return baddress.toBase58Check(bcrypto.hash160(node.publicKey), network.pubKeyHash)

test/integration/addresses.js

@@ -1,10 +1,10 @@
 /* global describe, it */
 
-let assert = require('assert')
-let bitcoin = require('../../')
-let dhttp = require('dhttp/200')
+const assert = require('assert')
+const bitcoin = require('../../')
+const dhttp = require('dhttp/200')
 
-let LITECOIN = {
+const LITECOIN = {
   messagePrefix: '\x19Litecoin Signed Message:\n',
   bip32: {
     public: 0x019da462,
@@ -19,8 +19,8 @@ let LITECOIN = {
 function rng () { return Buffer.from('zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz') }
 
 // TODO: remove
-let baddress = bitcoin.address
-let bcrypto = bitcoin.crypto
+const baddress = bitcoin.address
+const bcrypto = bitcoin.crypto
 function getAddress (node, network) {
   network = network || bitcoin.networks.bitcoin
   return baddress.toBase58Check(bcrypto.hash160(node.publicKey), network.pubKeyHash)

test/integration/bip32.js

@@ -1,13 +1,13 @@
 /* global describe, it */
 
-let assert = require('assert')
-let bip32 = require('bip32')
-let bip39 = require('bip39')
-let bitcoin = require('../../')
+const assert = require('assert')
+const bip32 = require('bip32')
+const bip39 = require('bip39')
+const bitcoin = require('../../')
 
 // TODO: remove
-let baddress = bitcoin.address
-let bcrypto = bitcoin.crypto
+const baddress = bitcoin.address
+const bcrypto = bitcoin.crypto
 function getAddress (node, network) {
   network = network || bitcoin.networks.bitcoin
   return baddress.toBase58Check(bcrypto.hash160(node.publicKey), network.pubKeyHash)

test/integration/csv.js

@@ -1,13 +1,13 @@
 /* global describe, it, before */
 
-let assert = require('assert')
-let bitcoin = require('../../')
-let regtestUtils = require('./_regtest')
-let regtest = regtestUtils.network
-let bip68 = require('bip68')
-
-let alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', regtest)
-let bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', regtest)
+const assert = require('assert')
+const bitcoin = require('../../')
+const regtestUtils = require('./_regtest')
+const regtest = regtestUtils.network
+const bip68 = require('bip68')
+
+const alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', regtest)
+const bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', regtest)
 
 describe('bitcoinjs-lib (transactions w/ CSV)', function () {
   // force update MTP

test/integration/stealth.js

@@ -1,12 +1,12 @@
 /* global describe, it */
 
-let assert = require('assert')
-let bitcoin = require('../../')
-let ecc = require('tiny-secp256k1')
+const assert = require('assert')
+const bitcoin = require('../../')
+const ecc = require('tiny-secp256k1')
 
 // TODO: remove
-let baddress = bitcoin.address
-let bcrypto = bitcoin.crypto
+const baddress = bitcoin.address
+const bcrypto = bitcoin.crypto
 function getAddress (node) {
   return baddress.toBase58Check(bcrypto.hash160(node.publicKey), bitcoin.networks.bitcoin.pubKeyHash)
 }

test/integration/transactions.js

@@ -1,13 +1,13 @@
 /* global describe, it */
 
-let assert = require('assert')
-let bitcoin = require('../../')
-let regtestUtils = require('./_regtest')
-let regtest = regtestUtils.network
+const assert = require('assert')
+const bitcoin = require('../../')
+const regtestUtils = require('./_regtest')
+const regtest = regtestUtils.network
 
 // TODO: remove
-let baddress = bitcoin.address
-let bcrypto = bitcoin.crypto
+const baddress = bitcoin.address
+const bcrypto = bitcoin.crypto
 function getAddress (node, network) {
   network = network || bitcoin.networks.bitcoin
   return baddress.toBase58Check(bcrypto.hash160(node.publicKey), network.pubKeyHash)

test/transaction_builder.js

@@ -1,18 +1,18 @@
 /* global describe, it, beforeEach */
 
-let assert = require('assert')
-let baddress = require('../src/address')
-let bcrypto = require('../src/crypto')
-let bscript = require('../src/script')
-let btemplates = require('../src/templates')
-let ops = require('bitcoin-ops')
-
-let ECPair = require('../src/ecpair')
-let Transaction = require('../src/transaction')
-let TransactionBuilder = require('../src/transaction_builder')
-let NETWORKS = require('../src/networks')
-
-let fixtures = require('./fixtures/transaction_builder')
+const assert = require('assert')
+const baddress = require('../src/address')
+const bcrypto = require('../src/crypto')
+const bscript = require('../src/script')
+const btemplates = require('../src/templates')
+const ops = require('bitcoin-ops')
+
+const ECPair = require('../src/ecpair')
+const Transaction = require('../src/transaction')
+const TransactionBuilder = require('../src/transaction_builder')
+const NETWORKS = require('../src/networks')
+
+const fixtures = require('./fixtures/transaction_builder')
 
 // TODO: remove
 function getAddress (node) {