use standardjs formatting

package.json

@@ -60,6 +60,7 @@
     "jshint": "^2.5.11",
     "mocha": "^2.1.0",
     "mocha-lcov-reporter": "0.0.1",
-    "sinon": "^1.12.2"
+    "sinon": "^1.12.2",
+    "standard": "^2.7.3"
   }
 }

src/base58check.js

@@ -1,13 +1,13 @@
 var bs58check = require('bs58check')
 
 function decode () {
-  console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.');
+  console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.')
 
   return bs58check.decode.apply(undefined, arguments)
 }
 
 function encode () {
-  console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.');
+  console.warn('bs58check will be removed in 2.0.0. require("bs58check") instead.')
 
   return bs58check.encode.apply(undefined, arguments)
 }

src/block.js

@@ -3,7 +3,6 @@ var bufferutils = require('./bufferutils')
 var crypto = require('./crypto')
 
 var Transaction = require('./transaction')
-var Script = require('./script')
 
 function Block () {
   this.version = 1

src/bufferutils.js

@@ -41,7 +41,6 @@ function readPushDataInt(buffer, offset) {
 
     number = buffer.readUInt32LE(offset + 1)
     size = 5
-
   }
 
   return {
@@ -113,7 +112,6 @@ function writePushDataInt(buffer, number, offset) {
   } else {
     buffer.writeUInt8(opcodes.OP_PUSHDATA4, offset)
     buffer.writeUInt32LE(number, offset + 1)
-
   }
 
   return size

src/ecpubkey.js

@@ -9,7 +9,8 @@ var ecurve = require('ecurve')
 var secp256k1 = ecurve.getCurveByName('secp256k1')
 
 function ECPubKey (Q, compressed) {
-  if (compressed === undefined) compressed = true
+  if (compressed === undefined)
+    compressed = true
 
   typeForce('Point', Q)
   typeForce('Boolean', compressed)

src/ecsignature.js

@@ -82,7 +82,8 @@ ECSignature.parseScriptSignature = function(buffer) {
 }
 
 ECSignature.prototype.toCompact = function (i, compressed) {
-  if (compressed) i += 4
+  if (compressed)
+    i += 4
   i += 27
 
   var buffer = new Buffer(65)

src/hdnode.js

@@ -16,9 +16,7 @@ function findBIP32NetworkByVersion(version) {
   for (var name in networks) {
     var network = networks[name]
 
-    if (version === network.bip32.private ||
+    if (version === network.bip32.private || version === network.bip32.public) {
-        version === network.bip32.public) {
-
       return network
     }
   }
@@ -95,7 +93,7 @@ HDNode.fromBuffer = function(buffer, network, __ignoreDeprecation) {
   var version = buffer.readUInt32BE(0)
 
   if (network) {
-    assert(version === network.bip32.private || version === network.bip32.public, 'Network doesn\'t match')
+    assert(version === network.bip32.private || version === network.bip32.public, "Network doesn't match")
 
   // auto-detect
   } else {
@@ -221,7 +219,6 @@ HDNode.prototype.toBuffer = function(isPrivate, __ignoreDeprecation) {
     buffer.writeUInt8(0, 45)
     this.privKey.d.toBuffer(32).copy(buffer, 46)
   } else {
-
     // X9.62 encoding for public keys
     this.pubKey.toBuffer().copy(buffer, 45)
   }

src/networks.js

@@ -134,7 +134,7 @@ function estimateFee(type) {
     var byteSize = tx.toBuffer().length
 
     var fee = baseFee * Math.ceil(byteSize / 1000)
-    if (network.dustSoftThreshold == undefined) return fee
+    if (network.dustSoftThreshold === undefined) return fee
 
     tx.outs.forEach(function (e) {
       if (e.value < network.dustSoftThreshold) {

src/script.js

@@ -14,11 +14,12 @@ function Script(buffer, chunks) {
 
 Script.fromASM = function (asm) {
   var strChunks = asm.split(' ')
-
   var chunks = strChunks.map(function (strChunk) {
+    // opcode
     if (strChunk in opcodes) {
       return opcodes[strChunk]
 
+    // data chunk
     } else {
       return new Buffer(strChunk, 'hex')
     }
@@ -34,6 +35,7 @@ Script.fromBuffer = function(buffer) {
   while (i < buffer.length) {
     var opcode = buffer.readUInt8(i)
 
+    // data chunk
     if ((opcode > opcodes.OP_0) && (opcode <= opcodes.OP_PUSHDATA4)) {
       var d = bufferutils.readPushDataInt(buffer, i)
       i += d.size
@@ -43,6 +45,7 @@ Script.fromBuffer = function(buffer) {
 
       chunks.push(data)
 
+    // opcode
     } else {
       chunks.push(opcode)
 
@@ -57,10 +60,12 @@ Script.fromChunks = function(chunks) {
   typeForce('Array', chunks)
 
   var bufferSize = chunks.reduce(function (accum, chunk) {
+    // data chunk
     if (Buffer.isBuffer(chunk)) {
       return accum + bufferutils.pushDataSize(chunk.length) + chunk.length
     }
 
+    // opcode
     return accum + 1
   }, 0.0)
 
@@ -68,12 +73,14 @@ Script.fromChunks = function(chunks) {
   var offset = 0
 
   chunks.forEach(function (chunk) {
+    // data chunk
     if (Buffer.isBuffer(chunk)) {
       offset += bufferutils.writePushDataInt(buffer, chunk.length, offset)
 
       chunk.copy(buffer, offset)
       offset += chunk.length
 
+    // opcode
     } else {
       buffer.writeUInt8(chunk, offset)
       offset += 1
@@ -109,9 +116,11 @@ for (var op in opcodes) {
 
 Script.prototype.toASM = function () {
   return this.chunks.map(function (chunk) {
+    // data chunk
     if (Buffer.isBuffer(chunk)) {
       return chunk.toString('hex')
 
+    // opcode
     } else {
       return reverseOps[chunk]
     }

src/scripts.js

@@ -14,7 +14,8 @@ function isCanonicalPubKey(buffer) {
   try {
     ecurve.Point.decodeFrom(curve, buffer)
   } catch (e) {
-    if (!(e.message.match(/Invalid sequence (length|tag)/))) throw e
+    if (!(e.message.match(/Invalid sequence (length|tag)/)))
+      throw e
 
     return false
   }
@@ -28,7 +29,8 @@ function isCanonicalSignature(buffer) {
   try {
     ECSignature.parseScriptSignature(buffer)
   } catch (e) {
-    if (!(e.message.match(/Not a DER sequence|Invalid sequence length|Expected a DER integer|R length is zero|S length is zero|R value excessively padded|S value excessively padded|R value is negative|S value is negative|Invalid hashType/))) throw e
+    if (!(e.message.match(/Not a DER sequence|Invalid sequence length|Expected a DER integer|R length is zero|S length is zero|R value excessively padded|S value excessively padded|R value is negative|S value is negative|Invalid hashType/)))
+      throw e
 
     return false
   }

src/transaction.js

@@ -69,7 +69,6 @@ Transaction.fromBuffer = function(buffer, __disableAssert) {
         script: readGenerationScript(),
         sequence: readUInt32()
       })
-
     } else {
       tx.ins.push({
         hash: hash,
@@ -127,10 +126,8 @@ Transaction.prototype.addInput = function(hash, index, sequence, script) {
   if (typeof hash === 'string') {
     // TxId hex is big-endian, we need little-endian
     hash = bufferutils.reverse(new Buffer(hash, 'hex'))
-
   } else if (hash instanceof Transaction) {
     hash = hash.getHash()
-
   }
 
   typeForce('Buffer', hash)
@@ -239,12 +236,11 @@ Transaction.prototype.hashForSignature = function(inIndex, prevOutScript, hashTy
   txTmp.ins[inIndex].script = hashScript
 
   var hashTypeModifier = hashType & 0x1f
+
   if (hashTypeModifier === Transaction.SIGHASH_NONE) {
     assert(false, 'SIGHASH_NONE not yet supported')
-
   } else if (hashTypeModifier === Transaction.SIGHASH_SINGLE) {
     assert(false, 'SIGHASH_SINGLE not yet supported')
-
   }
 
   if (hashType & Transaction.SIGHASH_ANYONECANPAY) {
@@ -278,8 +274,12 @@ Transaction.prototype.toBuffer = function () {
   8 +
     bufferutils.varIntSize(this.ins.length) +
     bufferutils.varIntSize(this.outs.length) +
-    this.ins.reduce(function(sum, input) { return sum + 40 + scriptSize(input.script) }, 0) +
+    this.ins.reduce(function (sum, input) {
-    this.outs.reduce(function(sum, output) { return sum + 8 + scriptSize(output.script) }, 0)
+      return sum + 40 + scriptSize(input.script)
+    }, 0) +
+    this.outs.reduce(function (sum, output) {
+      return sum + 8 + scriptSize(output.script)
+    }, 0)
   )
 
   var offset = 0
@@ -339,7 +339,7 @@ Transaction.prototype.setInputScript = function(index, script) {
 
 // FIXME: remove in 2.x.y
 Transaction.prototype.sign = function (index, privKey, hashType) {
-  console.warn("Transaction.prototype.sign is deprecated.  Use TransactionBuilder instead.")
+  console.warn('Transaction.prototype.sign is deprecated.  Use TransactionBuilder instead.')
 
   var prevOutScript = privKey.pub.getAddress().toOutputScript()
   var signature = this.signInput(index, prevOutScript, privKey, hashType)
@@ -350,7 +350,7 @@ Transaction.prototype.sign = function(index, privKey, hashType) {
 
 // FIXME: remove in 2.x.y
 Transaction.prototype.signInput = function (index, prevOutScript, privKey, hashType) {
-  console.warn("Transaction.prototype.signInput is deprecated.  Use TransactionBuilder instead.")
+  console.warn('Transaction.prototype.signInput is deprecated.  Use TransactionBuilder instead.')
 
   hashType = hashType || Transaction.SIGHASH_ALL
 
@@ -362,7 +362,7 @@ Transaction.prototype.signInput = function(index, prevOutScript, privKey, hashTy
 
 // FIXME: remove in 2.x.y
 Transaction.prototype.validateInput = function (index, prevOutScript, pubKey, buffer) {
-  console.warn("Transaction.prototype.validateInput is deprecated.  Use TransactionBuilder instead.")
+  console.warn('Transaction.prototype.validateInput is deprecated.  Use TransactionBuilder instead.')
 
   var parsed = ECSignature.parseScriptSignature(buffer)
   var hash = this.hashForSignature(index, prevOutScript, parsed.hashType)

src/transaction_builder.js

@@ -21,7 +21,6 @@ function extractInput(txIn) {
 
     scriptSig = Script.fromChunks(scriptSig.chunks.slice(0, -1))
     scriptType = scripts.classifyInput(scriptSig, true)
-
   } else {
     scriptType = prevOutType
   }
@@ -124,19 +123,21 @@ TransactionBuilder.fromTransaction = function(transaction) {
 TransactionBuilder.prototype.addInput = function (prevTx, index, sequence, prevOutScript) {
   var prevOutHash
 
+  // txId
   if (typeof prevTx === 'string') {
     prevOutHash = new Buffer(prevTx, 'hex')
 
     // TxId hex is big-endian, we want little-endian hash
     Array.prototype.reverse.call(prevOutHash)
 
+  // Transaction
   } else if (prevTx instanceof Transaction) {
     prevOutHash = prevTx.getHash()
     prevOutScript = prevTx.outs[index].script
 
+  // txHash
   } else {
     prevOutHash = prevTx
-
   }
 
   var input = {}
@@ -188,10 +189,18 @@ TransactionBuilder.prototype.addOutput = function(scriptPubKey, value) {
   return this.tx.addOutput(scriptPubKey, value)
 }
 
-TransactionBuilder.prototype.build = function() { return this.__build(false) }
+TransactionBuilder.prototype.build = function () {
-TransactionBuilder.prototype.buildIncomplete = function() { return this.__build(true) }
+  return this.__build(false)
+}
+TransactionBuilder.prototype.buildIncomplete = function () {
+  return this.__build(true)
+}
 
-var canSignTypes = { 'pubkeyhash': true, 'multisig': true, 'pubkey': true }
+var canSignTypes = {
+  'pubkeyhash': true,
+  'multisig': true,
+  'pubkey': true
+}
 
 TransactionBuilder.prototype.__build = function (allowIncomplete) {
   if (!allowIncomplete) {
@@ -280,6 +289,7 @@ TransactionBuilder.prototype.sign = function(index, privKey, redeemScript, hashT
 
   // no? prepare
   } else {
+    // must be pay-to-scriptHash?
     if (redeemScript) {
       // if we have a prevOutScript, enforce scriptHash equality to the redeemScript
       if (input.prevOutScript) {
@@ -320,10 +330,11 @@ TransactionBuilder.prototype.sign = function(index, privKey, redeemScript, hashT
       input.redeemScript = redeemScript
       input.scriptType = scriptType
 
+    // cannot be pay-to-scriptHash
     } else {
       assert.notEqual(input.prevOutType, 'scripthash', 'PrevOutScript is P2SH, missing redeemScript')
 
-      // can we sign this?
+      // can we otherwise sign this?
       if (input.scriptType) {
         assert(input.pubKeys, input.scriptType + ' not supported')
 
@@ -333,7 +344,6 @@ TransactionBuilder.prototype.sign = function(index, privKey, redeemScript, hashT
         input.prevOutType = 'pubkeyhash'
         input.pubKeys = [privKey.pub]
         input.scriptType = input.prevOutType
-
       }
     }
 

src/wallet.js

@@ -51,10 +51,18 @@ function Wallet(seed, network) {
     me.unspentMap = {}
   }
 
-  this.getMasterKey = function() { return masterKey }
+  this.getMasterKey = function () {
-  this.getAccountZero = function() { return accountZero }
+    return masterKey
-  this.getExternalAccount = function() { return externalAccount }
+  }
-  this.getInternalAccount = function() { return internalAccount }
+  this.getAccountZero = function () {
+    return accountZero
+  }
+  this.getExternalAccount = function () {
+    return externalAccount
+  }
+  this.getInternalAccount = function () {
+    return internalAccount
+  }
 }
 
 Wallet.prototype.createTransaction = function (to, value, options) {
@@ -144,7 +152,8 @@ Wallet.prototype.__processTx = function(tx, isPending) {
     try {
       address = Address.fromOutputScript(txOut.script, this.network).toString()
     } catch (e) {
-      if (!(e.message.match(/has no matching Address/))) throw e
+      if (!(e.message.match(/has no matching Address/)))
+        throw e
     }
 
     var myAddresses = this.addresses.concat(this.changeAddresses)
@@ -168,7 +177,7 @@ Wallet.prototype.__processTx = function(tx, isPending) {
     }
   }, this)
 
-  tx.ins.forEach(function(txIn, i) {
+  tx.ins.forEach(function (txIn) {
     // copy and convert to big-endian hex
     var txInId = bufferutils.reverse(txIn.hash).toString('hex')
 
@@ -180,7 +189,6 @@ Wallet.prototype.__processTx = function(tx, isPending) {
     if (isPending) {
       unspent.pending = true
       unspent.spent = true
-
     } else {
       delete this.unspentMap[lookup]
 
@@ -308,7 +316,9 @@ Wallet.prototype.setUnspentOutputs = function(unspents) {
     typeForce('Number', unspent.value)
 
     assert.equal(txId.length, 64, 'Expected valid txId, got ' + txId)
-    assert.doesNotThrow(function() { Address.fromBase58Check(unspent.address) }, 'Expected Base58 Address, got ' + unspent.address)
+    assert.doesNotThrow(function () {
+      Address.fromBase58Check(unspent.address)
+    }, 'Expected Base58 Address, got ' + unspent.address)
     assert(isFinite(index), 'Expected finite index, got ' + index)
 
     // FIXME: remove branch in 2.0.0

test/address.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var networks = require('../src/networks')
 

test/base58check.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach */
+
 var assert = require('assert')
 var base58check = require('../src/base58check')
 var bs58check = require('bs58check')

test/bitcoin.core.js

@@ -1,7 +1,7 @@
-var assert = require('assert')
+/* global describe, it */
 
+var assert = require('assert')
 var base58 = require('bs58')
-//var base58check = require('bs58check')
 
 var Bitcoin = require('../')
 var Address = Bitcoin.Address
@@ -12,13 +12,13 @@ var ECSignature = Bitcoin.ECSignature
 var Transaction = Bitcoin.Transaction
 var Script = Bitcoin.Script
 
-var base58_encode_decode = require("./fixtures/core/base58_encode_decode.json")
+var base58_encode_decode = require('./fixtures/core/base58_encode_decode.json')
-var base58_keys_invalid = require("./fixtures/core/base58_keys_invalid.json")
+var base58_keys_invalid = require('./fixtures/core/base58_keys_invalid.json')
-var base58_keys_valid = require("./fixtures/core/base58_keys_valid.json")
+var base58_keys_valid = require('./fixtures/core/base58_keys_valid.json')
-var sig_canonical = require("./fixtures/core/sig_canonical.json")
+var sig_canonical = require('./fixtures/core/sig_canonical.json')
-var sig_noncanonical = require("./fixtures/core/sig_noncanonical.json")
+var sig_noncanonical = require('./fixtures/core/sig_noncanonical.json')
-var sighash = require("./fixtures/core/sighash.json")
+var sighash = require('./fixtures/core/sighash.json')
-var tx_valid = require("./fixtures/core/tx_valid.json")
+var tx_valid = require('./fixtures/core/tx_valid.json')
 
 describe('Bitcoin-core', function () {
   // base58_encode_decode
@@ -45,6 +45,11 @@ describe('Bitcoin-core', function() {
 
   // base58_keys_valid
   describe('Address', function () {
+    var typeMap = {
+      'pubkey': 'pubKeyHash',
+      'script': 'scriptHash'
+    }
+
     base58_keys_valid.forEach(function (f) {
       var string = f[0]
       var hex = f[1]
@@ -52,18 +57,14 @@ describe('Bitcoin-core', function() {
       var network = networks.bitcoin
 
       if (params.isPrivkey) return
-      if (params.isTestnet) network = networks.testnet
+      if (params.isTestnet)
+        network = networks.testnet
 
       it('can import ' + string, function () {
         var address = Address.fromBase58Check(string)
 
         assert.equal(address.hash.toString('hex'), hex)
-        if (params.addrType === 'pubkey') {
+        assert.equal(address.version, network[typeMap[params.addrType]])
-          assert.equal(address.version, network.pubKeyHash)
-
-        } else if (params.addrType === 'script') {
-          assert.equal(address.version, network.scriptHash)
-        }
       })
     })
   })
@@ -190,7 +191,8 @@ describe('Bitcoin-core', function() {
           actualHash = transaction.hashForSignature(inIndex, script, hashType)
         } catch (e) {
           // don't fail if we don't support it yet, TODO
-          if (!e.message.match(/not yet supported/)) throw e
+          if (!e.message.match(/not yet supported/))
+            throw e
         }
 
         if (actualHash !== undefined) {

test/block.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach */
+
 var assert = require('assert')
 
 var Block = require('../src/block')

test/bufferutils.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var bufferutils = require('../src/bufferutils')
 

test/crypto.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var crypto = require('../src/crypto')
 

test/ecdsa.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var crypto = require('../src/crypto')
 var ecdsa = require('../src/ecdsa')
@@ -15,10 +17,12 @@ var fixtures = require('./fixtures/ecdsa.json')
 
 describe('ecdsa', function () {
   describe('deterministicGenerateK', function () {
-    function checkSig() { return true }
+    function checkSig () {
+      return true
+    }
 
     fixtures.valid.ecdsa.forEach(function (f) {
-      it('for \"' + f.message + '\"', function() {
+      it('for "' + f.message + '"', function () {
         var d = BigInteger.fromHex(f.d)
         var h1 = crypto.sha256(f.message)
 
@@ -29,7 +33,7 @@ describe('ecdsa', function() {
 
     // FIXME: remove in 2.0.0
     fixtures.valid.ecdsa.forEach(function (f) {
-      it('(deprecated) for \"' + f.message + '\"', function() {
+      it('(deprecated) for "' + f.message + '"', function () {
         var d = BigInteger.fromHex(f.d)
         var h1 = crypto.sha256(f.message)
 
@@ -73,7 +77,7 @@ describe('ecdsa', function() {
     }))
 
     fixtures.valid.rfc6979.forEach(function (f) {
-      it('produces the expected k values for ' + f.message + ' if k wasn\'t suitable', function() {
+      it('produces the expected k values for ' + f.message + " if k wasn't suitable", function () {
         var d = BigInteger.fromHex(f.d)
         var h1 = crypto.sha256(f.message)
 
@@ -145,7 +149,7 @@ describe('ecdsa', function() {
 
   describe('sign', function () {
     fixtures.valid.ecdsa.forEach(function (f) {
-      it('produces a deterministic signature for \"' + f.message + '\"', function() {
+      it('produces a deterministic signature for "' + f.message + '"', function () {
         var d = BigInteger.fromHex(f.d)
         var hash = crypto.sha256(f.message)
         var signature = ecdsa.sign(curve, hash, d)
@@ -167,7 +171,7 @@ describe('ecdsa', function() {
 
   describe('verify/verifyRaw', function () {
     fixtures.valid.ecdsa.forEach(function (f) {
-      it('verifies a valid signature for \"' + f.message + '\"', function() {
+      it('verifies a valid signature for "' + f.message + '"', function () {
         var d = BigInteger.fromHex(f.d)
         var H = crypto.sha256(f.message)
         var e = BigInteger.fromBuffer(H)

test/eckey.js

@@ -1,3 +1,6 @@
+/* global describe, it, beforeEach, afterEach */
+/* eslint-disable no-new */
+
 var assert = require('assert')
 var crypto = require('crypto')
 var ecurve = require('ecurve')

test/ecpubkey.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach */
+
 var assert = require('assert')
 var crypto = require('../src/crypto')
 var networks = require('../src/networks')
@@ -109,7 +111,7 @@ describe('ECPubKey', function() {
       assert(pubKey.verify(hash, signature))
     })
 
-    it('doesn\'t verify the wrong signature', function() {
+    it("doesn't verify the wrong signature", function () {
       var hash = crypto.sha256('mushrooms')
 
       assert(!pubKey.verify(hash, signature))

test/ecsignature.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 
 var BigInteger = require('bigi')

test/hdnode.js

@@ -1,3 +1,6 @@
+/* global describe, it */
+/* eslint-disable no-new */
+
 var assert = require('assert')
 var networks = require('../src/networks')
 
@@ -297,7 +300,6 @@ describe('HDNode', function() {
         it(c.description + ' from ' + f.master.fingerprint, function () {
           if (c.hardened) {
             hd = hd.deriveHardened(c.m)
-
           } else {
             hd = hd.derive(c.m)
           }

test/integration/advanced.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var bitcoin = require('../../')
 var blockchain = new (require('cb-helloblock'))('testnet')
@@ -22,7 +24,7 @@ describe('bitcoinjs-lib (advanced)', function() {
   it('can create an OP_RETURN transaction', function (done) {
     this.timeout(20000)
 
-    var key = bitcoin.ECKey.fromWIF("L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy")
+    var key = bitcoin.ECKey.fromWIF('L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy')
     var address = key.pub.getAddress(bitcoin.networks.testnet).toString()
 
     blockchain.addresses.__faucetWithdraw(address, 2e4, function (err) {

test/integration/basic.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var bigi = require('bigi')
 var bitcoin = require('../../')
@@ -34,11 +36,11 @@ describe('bitcoinjs-lib (basic)', function() {
   })
 
   it('can create a Transaction', function () {
-    var key = bitcoin.ECKey.fromWIF("L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy")
+    var key = bitcoin.ECKey.fromWIF('L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy')
     var tx = new bitcoin.TransactionBuilder()
 
-    tx.addInput("aa94ab02c182214f090e99a0d57021caffd0f195a81c24602b1028b130b63e31", 0)
+    tx.addInput('aa94ab02c182214f090e99a0d57021caffd0f195a81c24602b1028b130b63e31', 0)
-    tx.addOutput("1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK", 15000)
+    tx.addOutput('1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK', 15000)
     tx.sign(0, key)
 
     assert.equal(tx.build().toHex(), '0100000001313eb630b128102b60241ca895f1d0ffca2170d5a0990e094f2182c102ab94aa000000006b483045022100aefbcf847900b01dd3e3debe054d3b6d03d715d50aea8525f5ea3396f168a1fb022013d181d05b15b90111808b22ef4f9ebe701caf2ab48db269691fdf4e9048f4f60121029f50f51d63b345039a290c94bffd3180c99ed659ff6ea6b1242bca47eb93b59fffffffff01983a0000000000001976a914ad618cf4333b3b248f9744e8e81db2964d0ae39788ac00000000')

test/integration/crypto.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var async = require('async')
 var bigi = require('bigi')
@@ -41,7 +43,7 @@ describe('bitcoinjs-lib (crypto)', function() {
   // TODO
   it.skip('can generate a dual-key stealth address', function () {})
 
-  it('can recover a parent private key from the parent\'s public key and a derived non-hardened child private key', function() {
+  it("can recover a parent private key from the parent's public key and a derived non-hardened child private key", function () {
     function recoverParent (master, child) {
       assert(!master.privKey, 'You already have the parent private key')
       assert(child.privKey, 'Missing child private key')
@@ -90,16 +92,18 @@ describe('bitcoinjs-lib (crypto)', function() {
   it('can recover a private key from duplicate R values', function () {
     var inputs = [
       {
-        txId: "f4c16475f2a6e9c602e4a287f9db3040e319eb9ece74761a4b84bc820fbeef50",
+        txId: 'f4c16475f2a6e9c602e4a287f9db3040e319eb9ece74761a4b84bc820fbeef50',
         vout: 0
       },
       {
-        txId: "f4c16475f2a6e9c602e4a287f9db3040e319eb9ece74761a4b84bc820fbeef50",
+        txId: 'f4c16475f2a6e9c602e4a287f9db3040e319eb9ece74761a4b84bc820fbeef50',
         vout: 1
       }
     ]
 
-    var txIds = inputs.map(function(x) { return x.txId })
+    var txIds = inputs.map(function (x) {
+      return x.txId
+    })
 
     // first retrieve the relevant transactions
     blockchain.transactions.get(txIds, function (err, results) {
@@ -145,7 +149,8 @@ describe('bitcoinjs-lib (crypto)', function() {
 
       // finally, run the tasks, then on to the math
       async.parallel(tasks, function (err) {
-        if (err) throw err
+        if (err)
+          throw err
         var n = bitcoin.ECKey.curve.n
 
         for (var i = 0; i < inputs.length; ++i) {

test/integration/multisig.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var bitcoin = require('../../')
 var blockchain = new (require('cb-helloblock'))('testnet')
@@ -24,7 +26,9 @@ describe('bitcoinjs-lib (multisig)', function() {
       '91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
       '91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT'
     ].map(bitcoin.ECKey.fromWIF)
-    var pubKeys = privKeys.map(function(x) { return x.pub })
+    var pubKeys = privKeys.map(function (x) {
+      return x.pub
+    })
 
     var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 2
     var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash())
@@ -39,7 +43,9 @@ describe('bitcoinjs-lib (multisig)', function() {
         if (err) return done(err)
 
           // filter small unspents
-        unspents = unspents.filter(function(unspent) { return unspent.value > 1e4 })
+        unspents = unspents.filter(function (unspent) {
+          return unspent.value > 1e4
+        })
 
         // use the oldest unspent
         var unspent = unspents.pop()

test/message.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var networks = require('../src/networks')
 
@@ -11,7 +13,7 @@ var fixtures = require('./fixtures/message.json')
 describe('Message', function () {
   describe('magicHash', function () {
     fixtures.valid.magicHash.forEach(function (f) {
-      it('produces the correct magicHash for \"' + f.message + '\" (' + f.network + ')', function() {
+      it('produces the correct magicHash for "' + f.message + '" (' + f.network + ')', function () {
         var network = networks[f.network]
         var actual = Message.magicHash(f.message, network)
 
@@ -30,7 +32,7 @@ describe('Message', function() {
     })
 
     fixtures.valid.verify.forEach(function (f) {
-      it('verifies a valid signature for \"' + f.message + '\" (' + f.network + ')', function() {
+      it('verifies a valid signature for "' + f.message + '" (' + f.network + ')', function () {
         var network = networks[f.network]
 
         assert(Message.verify(f.address, f.signature, f.message, network))

test/network.js

@@ -1,3 +1,5 @@
+/* global describe, it, before, after */
+
 var assert = require('assert')
 var networks = require('../src/networks')
 var sinon = require('sinon')
@@ -10,7 +12,7 @@ var fixtures = require('./fixtures/network')
 describe('networks', function () {
   var txToBuffer
   before(function () {
-    txToBuffer = sinon.stub(Transaction.prototype, "toBuffer")
+    txToBuffer = sinon.stub(Transaction.prototype, 'toBuffer')
   })
 
   after(function () {

test/script.js

@@ -1,3 +1,6 @@
+/* global describe, it */
+/* eslint-disable no-new */
+
 var assert = require('assert')
 var opcodes = require('../src/opcodes')
 
@@ -17,7 +20,9 @@ describe('Script', function() {
     })
 
     it('throws an error when input is not an array', function () {
-      assert.throws(function(){ new Script({}) }, /Expected Buffer, got/)
+      assert.throws(function () {
+        new Script({})
+      }, /Expected Buffer, got/)
     })
   })
 
@@ -39,7 +44,7 @@ describe('Script', function() {
 
   describe('getHash', function () {
     fixtures.valid.forEach(function (f) {
-      it('produces a HASH160 of \"' + f.asm + '\"', function() {
+      it('produces a HASH160 of "' + f.asm + '"', function () {
         var script = Script.fromHex(f.hex)
 
         assert.equal(script.getHash().toString('hex'), f.hash)

test/scripts.js

@@ -1,3 +1,5 @@
+/* global describe, it */
+
 var assert = require('assert')
 var ops = require('../src/opcodes')
 var scripts = require('../src/scripts')

test/transaction.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach */
+
 var assert = require('assert')
 var scripts = require('../src/scripts')
 
@@ -20,7 +22,6 @@ describe('Transaction', function() {
 
       if (txIn.data) {
         script = new Script(new Buffer(txIn.data, 'hex'), [])
-
       } else if (txIn.script) {
         script = Script.fromASM(txIn.script)
       }
@@ -225,7 +226,9 @@ describe('Transaction', function() {
       ].map(function (wif) {
         return ECKey.fromWIF(wif)
       })
-      var pubKeys = privKeys.map(function(eck) { return eck.pub })
+      var pubKeys = privKeys.map(function (eck) {
+        return eck.pub
+      })
       var redeemScript = scripts.multisigOutput(2, pubKeys)
 
       var signatures = privKeys.map(function (privKey) {

test/transaction_builder.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach */
+
 var assert = require('assert')
 
 var BigInteger = require('bigi')
@@ -41,8 +43,10 @@ function construct(txb, f, sign) {
   }
 
   // FIXME: add support for locktime/version in TransactionBuilder API
-  if (f.version !== undefined) txb.tx.version = f.version
+  if (f.version !== undefined)
-  if (f.locktime !== undefined) txb.tx.locktime = f.locktime
+    txb.tx.version = f.version
+  if (f.locktime !== undefined)
+    txb.tx.locktime = f.locktime
 }
 
 describe('TransactionBuilder', function () {
@@ -141,7 +145,6 @@ describe('TransactionBuilder', function() {
 
             if (!sign.throws) {
               txb.sign(index, privKey, redeemScript, sign.hashType)
-
             } else {
               assert.throws(function () {
                 txb.sign(index, privKey, redeemScript, sign.hashType)
@@ -155,7 +158,7 @@ describe('TransactionBuilder', function() {
 
   describe('build', function () {
     fixtures.valid.build.forEach(function (f) {
-      it('builds \"' + f.description + '\"', function() {
+      it('builds "' + f.description + '"', function () {
         construct(txb, f)
 
         var tx = txb.build()
@@ -169,7 +172,6 @@ describe('TransactionBuilder', function() {
           if (f.txHex) {
             var tx = Transaction.fromHex(f.txHex)
             txb = TransactionBuilder.fromTransaction(tx)
-
           } else {
             construct(txb, f)
           }
@@ -182,7 +184,7 @@ describe('TransactionBuilder', function() {
         })
 
         if (f.alwaysThrows) return
-        it('doesn\'t throw if building incomplete', function() {
+        it("doesn't throw if building incomplete", function () {
           txb.buildIncomplete()
         })
       })
@@ -211,13 +213,13 @@ describe('TransactionBuilder', function() {
 
     it('works for the out-of-order P2SH multisig case', function () {
       var privKeys = [
-        "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT",
+        '91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT',
-        "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx"
+        '91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx'
       ].map(ECKey.fromWIF)
-      var redeemScript = Script.fromASM("OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG")
+      var redeemScript = Script.fromASM('OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG')
 
-      txb.addInput("4971f016798a167331bcbc67248313fbc444c6e92e4416efd06964425588f5cf", 0)
+      txb.addInput('4971f016798a167331bcbc67248313fbc444c6e92e4416efd06964425588f5cf', 0)
-      txb.addOutput("1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH", 10000)
+      txb.addOutput('1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH', 10000)
       txb.sign(0, privKeys[0], redeemScript)
 
       var tx = txb.buildIncomplete()

test/wallet.js

@@ -1,3 +1,5 @@
+/* global describe, it, beforeEach, afterEach */
+
 var assert = require('assert')
 var bufferutils = require('../src/bufferutils')
 var crypto = require('../src/crypto')
@@ -111,8 +113,8 @@ describe('Wallet', function() {
     it('generate receiving addresses', function () {
       var wallet = new Wallet(seed, networks.testnet)
       var expectedAddresses = [
-        "n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa",
+        'n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa',
-        "n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"
+        'n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X'
       ]
 
       assert.equal(wallet.generateAddress(), expectedAddresses[0])
@@ -122,14 +124,9 @@ describe('Wallet', function() {
   })
 
   describe('generateChangeAddress', function () {
-    var wallet
-    beforeEach(function() {
-      wallet = new Wallet(seed)
-    })
-
     it('generates change addresses', function () {
       var wallet = new Wallet(seed, networks.testnet)
-      var expectedAddresses = ["mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn"]
+      var expectedAddresses = ['mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn']
 
       assert.equal(wallet.generateChangeAddress(), expectedAddresses[0])
       assert.deepEqual(wallet.changeAddresses, expectedAddresses)
@@ -137,11 +134,6 @@ describe('Wallet', function() {
   })
 
   describe('getPrivateKey', function () {
-    var wallet
-    beforeEach(function() {
-      wallet = new Wallet(seed)
-    })
-
     it('returns the private key at the given index of external account', function () {
       var wallet = new Wallet(seed, networks.testnet)
 
@@ -151,11 +143,6 @@ describe('Wallet', function() {
   })
 
   describe('getInternalPrivateKey', function () {
-    var wallet
-    beforeEach(function() {
-      wallet = new Wallet(seed)
-    })
-
     it('returns the private key at the given index of internal account', function () {
       var wallet = new Wallet(seed, networks.testnet)
 
@@ -165,11 +152,6 @@ describe('Wallet', function() {
   })
 
   describe('getPrivateKeyForAddress', function () {
-    var wallet
-    beforeEach(function() {
-      wallet = new Wallet(seed)
-    })
-
     it('returns the private key for the given address', function () {
       var wallet = new Wallet(seed, networks.testnet)
       wallet.generateChangeAddress()
@@ -177,11 +159,11 @@ describe('Wallet', function() {
       wallet.generateAddress()
 
       assertEqual(
-        wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"),
+        wallet.getPrivateKeyForAddress('n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X'),
         wallet.getExternalAccount().derive(1).privKey
       )
       assertEqual(
-        wallet.getPrivateKeyForAddress("mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn"),
+        wallet.getPrivateKeyForAddress('mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn'),
         wallet.getInternalAccount().derive(0).privKey
       )
     })
@@ -190,23 +172,23 @@ describe('Wallet', function() {
       var wallet = new Wallet(seed, networks.testnet)
 
       assert.throws(function () {
-        wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X")
+        wallet.getPrivateKeyForAddress('n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X')
       }, /Unknown address. Make sure the address is from the keychain and has been generated/)
     })
   })
 
   describe('Unspent Outputs', function () {
-    var utxo, expectedOutputKey
+    var utxo
     var wallet
 
     beforeEach(function () {
       utxo = {
-        "address" : "1AZpKpcfCzKDUeTFBQUL4MokQai3m3HMXv",
+        'address': '1AZpKpcfCzKDUeTFBQUL4MokQai3m3HMXv',
-        "confirmations": 1,
+        'confirmations': 1,
-        "index": 0,
+        'index': 0,
-        "txId": fakeTxId(6),
+        'txId': fakeTxId(6),
-        "value": 20000,
+        'value': 20000,
-        "pending": false
+        'pending': false
       }
     })
 
@@ -272,7 +254,6 @@ describe('Wallet', function() {
 
   describe('setUnspentOutputs', function () {
     var utxo
-    var expectedOutputKey
     var wallet
 
     beforeEach(function () {
@@ -296,7 +277,7 @@ describe('Wallet', function() {
 
     describe('required fields', function () {
       ['index', 'address', 'hash', 'value'].forEach(function (field) {
-        it("throws an error when " + field + " is missing", function() {
+        it('throws an error when ' + field + ' is missing', function () {
           delete utxo[field]
 
           assert.throws(function () {
@@ -326,15 +307,15 @@ describe('Wallet', function() {
       tx = Transaction.fromHex(fixtureTx1Hex)
     })
 
-    describe("processPendingTx", function() {
+    describe('processPendingTx', function () {
-      it("incoming: sets the pending flag on output", function() {
+      it('incoming: sets the pending flag on output', function () {
         wallet.addresses = [addresses[0]]
         wallet.processPendingTx(tx)
 
         verifyOutputAdded(0, true)
       })
 
-      describe("when tx ins outpoint contains a known txhash:i", function() {
+      describe('when tx ins outpoint contains a known txhash:i', function () {
         var spendTx
         beforeEach(function () {
           wallet.addresses = [addresses[0]]
@@ -372,7 +353,7 @@ describe('Wallet', function() {
       })
 
       describe("when tx outs contains an address owned by the wallet, an 'output' gets added to wallet.unspentMap", function () {
-        it("works for receive address", function() {
+        it('works for receive address', function () {
           var totalOuts = outputCount()
 
           wallet.addresses = [addresses[0]]
@@ -382,7 +363,7 @@ describe('Wallet', function() {
           verifyOutputAdded(0, false)
         })
 
-        it("works for change address", function() {
+        it('works for change address', function () {
           var totalOuts = outputCount()
           wallet.changeAddresses = [addresses[1]]
 
@@ -397,7 +378,7 @@ describe('Wallet', function() {
         }
       })
 
-      describe("when tx ins contains a known txhash:i", function() {
+      describe('when tx ins contains a known txhash:i', function () {
         var spendTx
         beforeEach(function () {
           wallet.addresses = [addresses[0]] // the address fixtureTx2 used as input
@@ -406,7 +387,7 @@ describe('Wallet', function() {
           spendTx = Transaction.fromHex(fixtureTx2Hex)
         })
 
-        it("does not add to wallet.unspentMap", function() {
+        it('does not add to wallet.unspentMap', function () {
           wallet.processConfirmedTx(spendTx)
           assert.deepEqual(wallet.unspentMap, {})
         })
@@ -424,16 +405,15 @@ describe('Wallet', function() {
       })
     })
 
-    it("does nothing when none of the involved addresses belong to the wallet", function() {
+    it('does nothing when none of the involved addresses belong to the wallet', function () {
       wallet.processConfirmedTx(tx)
       assert.deepEqual(wallet.unspentMap, {})
     })
 
-
     function verifyOutputAdded (index, pending) {
       var txOut = tx.outs[index]
 
-      var key = tx.getId() + ":" + index
+      var key = tx.getId() + ':' + index
       var output = wallet.unspentMap[key]
       assert.deepEqual(output.txHash, tx.getHash())
       assert.equal(output.value, txOut.value)
@@ -453,28 +433,28 @@ describe('Wallet', function() {
       to = 'mt7MyTVVEWnbwpF5hBn6fgnJcv95Syk2ue'
       value = 500000
 
-      address1 = "n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa"
+      address1 = 'n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa'
-      address2 = "n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"
+      address2 = 'n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X'
 
       // set up 3 utxos
       var utxos = [
         {
-          "txId": fakeTxId(1),
+          'txId': fakeTxId(1),
-          "index": 0,
+          'index': 0,
-          "address": address1,
+          'address': address1,
-          "value": 400000 // not enough for value
+          'value': 400000 // not enough for value
         },
         {
-          "txId": fakeTxId(2),
+          'txId': fakeTxId(2),
-          "index": 1,
+          'index': 1,
-          "address": address1,
+          'address': address1,
-          "value": 500000 // enough for only value
+          'value': 500000 // enough for only value
         },
         {
-          "txId": fakeTxId(3),
+          'txId': fakeTxId(3),
-          "index": 0,
+          'index': 0,
-          "address" : address2,
+          'address': address2,
-          "value": 510000 // enough for value and fee
+          'value': 510000 // enough for value and fee
         }
       ]
 
@@ -487,7 +467,9 @@ describe('Wallet', function() {
     describe('transaction fee', function () {
       it('allows fee to be specified', function () {
         var fee = 30000
-        var tx = wallet.createTx(to, value, { fixedFee: fee })
+        var tx = wallet.createTx(to, value, {
+          fixedFee: fee
+        })
 
         assert.equal(getFee(wallet, tx), fee)
       })
@@ -495,7 +477,9 @@ describe('Wallet', function() {
       it('allows fee to be set to zero', function () {
         value = 510000
         var fee = 0
-        var tx = wallet.createTx(to, value, { fixedFee: fee })
+        var tx = wallet.createTx(to, value, {
+          fixedFee: fee
+        })
 
         assert.equal(getFee(wallet, tx), fee)
       })
@@ -504,7 +488,7 @@ describe('Wallet', function() {
         var utxo = {
           txId: fakeTxId(0),
           index: 0,
-          address: "LeyySKbQrRRwodKEj1W4a8y3YQupPLw5os",
+          address: 'LeyySKbQrRRwodKEj1W4a8y3YQupPLw5os',
           value: 500000
         }
 
@@ -608,7 +592,9 @@ describe('Wallet', function() {
           var fee = 0
           wallet.generateChangeAddress()
           wallet.generateChangeAddress()
-          var tx = wallet.createTx(to, value, { fixedFee: fee })
+          var tx = wallet.createTx(to, value, {
+            fixedFee: fee
+          })
 
           assert.equal(tx.outs.length, 2)
           var out = tx.outs[1]
@@ -622,7 +608,9 @@ describe('Wallet', function() {
           var fee = 0
           assert.equal(wallet.changeAddresses.length, 0)
 
-          var tx = wallet.createTx(to, value, { fixedFee: fee })
+          var tx = wallet.createTx(to, value, {
+            fixedFee: fee
+          })
 
           assert.equal(wallet.changeAddresses.length, 1)
           var out = tx.outs[1]
@@ -649,15 +637,18 @@ describe('Wallet', function() {
 
       it('signs the inputs with respective keys', function () {
         var fee = 30000
-        sinon.spy(TransactionBuilder.prototype, "sign")
+        sinon.spy(TransactionBuilder.prototype, 'sign')
 
-        wallet.createTx(to, value, { fixedFee: fee })
+        wallet.createTx(to, value, {
+          fixedFee: fee
+        })
 
         var priv1 = wallet.getPrivateKeyForAddress(address1)
         var priv2 = wallet.getPrivateKeyForAddress(address2)
 
-        // FIXME: boo (required) side effects
+        // FIXME: boo, toString invokes reqiuired affine coordinate side effects
-        priv1.pub.Q.affineX, priv2.pub.Q.affineX
+        priv1.pub.Q.toString()
+        priv2.pub.Q.toString()
 
         assert(TransactionBuilder.prototype.sign.calledWith(0, priv2))
         assert(TransactionBuilder.prototype.sign.calledWith(1, priv1))