Merge pull request #4020 from MetaMask/i3941-jsdoc-bitpshr

Documentation
feature/default_network_editable
Dan Finlay 7 years ago committed by GitHub
commit 74c419f9b6
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  1. 1
      .gitignore
  2. 39
      app/scripts/config.js
  3. 42
      app/scripts/contentscript.js
  4. 45
      app/scripts/controllers/computed-balances.js
  5. 6
      app/scripts/controllers/token-rates.js
  6. 142
      app/scripts/edge-encryptor.js
  7. 16
      app/scripts/first-time-state.js
  8. 13
      app/scripts/inpage.js
  9. 6
      app/scripts/lib/createProviderMiddleware.js
  10. 37
      app/scripts/lib/port-stream.js
  11. 3
      app/scripts/lib/setupMetamaskMeshMetrics.js
  12. 25
      app/scripts/popup-core.js
  13. 471
      docs/jsdocs/controllers_transactions.js.html
  14. 486
      docs/jsdocs/global.html
  15. 275
      docs/jsdocs/index.html
  16. 1144
      docs/jsdocs/metamask-controller.js.html
  17. 229
      docs/jsdocs/module.exports_module.exports.html
  18. 117
      docs/jsdocs/platforms_extension.js.html
  19. 25
      docs/jsdocs/scripts/linenumber.js
  20. 202
      docs/jsdocs/scripts/prettify/Apache-License-2.0.txt
  21. 2
      docs/jsdocs/scripts/prettify/lang-css.js
  22. 28
      docs/jsdocs/scripts/prettify/prettify.js
  23. 19
      docs/jsdocs/scripts/semantic.min.js
  24. 626
      docs/jsdocs/styles/jsdoc.css
  25. 3
      docs/jsdocs/styles/override.css
  26. 79
      docs/jsdocs/styles/prettify.css
  27. 364
      docs/jsdocs/styles/semantic.min.css

1
.gitignore vendored

@ -20,6 +20,7 @@ dist
builds/
disc/
builds.zip
docs/jsdocs
development/bundle.js
development/states.js

@ -15,7 +15,41 @@ const BETA_UI_NETWORK_TYPE = 'networkBeta'
global.METAMASK_DEBUG = process.env.METAMASK_DEBUG
module.exports = {
/**
* @typedef {Object} UrlConfig
* @property {string} localhost URL of local RPC provider
* @property {string} mainnet URL of mainnet RPC provider
* @property {string} ropsten URL of Ropsten testnet RPC provider
* @property {string} kovan URL of Kovan testnet RPC provider
* @property {string} rinkeby URL of Rinkeby testnet RPC provider
*/
/**
* @typedef {Object} NameConfig
* @property {string} 3 URL of local RPC provider
* @property {string} 4 URL of mainnet RPC provider
* @property {string} 42 URL of Ropsten testnet RPC provider
*/
/**
* @typedef {Object} EnumConfig
* @property {string} DEFAULT_RPC Default network provider URL
* @property {string} OLD_UI_NETWORK_TYPE Network associated with old UI
* @property {string} BETA_UI_NETWORK_TYPE Network associated with new UI
*/
/**
* @typedef {Object} Config
* @property {UrlConfig} network Network configuration parameters
* @property {UrlConfig} networkBeta Beta UI network configuration parameters
* @property {NameConfig} networkNames Network name configuration parameters
* @property {EnumConfig} enums Application-wide string constants
*/
/**
* @type {Config}
**/
const config = {
network: {
localhost: LOCALHOST_RPC_URL,
mainnet: MAINET_RPC_URL,
@ -23,7 +57,6 @@ module.exports = {
kovan: KOVAN_RPC_URL,
rinkeby: RINKEBY_RPC_URL,
},
// Used for beta UI
networkBeta: {
localhost: LOCALHOST_RPC_URL,
mainnet: MAINET_RPC_URL_BETA,
@ -42,3 +75,5 @@ module.exports = {
BETA_UI_NETWORK_TYPE,
},
}
module.exports = config

@ -23,6 +23,9 @@ if (shouldInjectWeb3()) {
setupStreams()
}
/**
* Creates a script tag that injects inpage.js
*/
function setupInjection () {
try {
// inject in-page script
@ -37,6 +40,10 @@ function setupInjection () {
}
}
/**
* Sets up two-way communication streams between the
* browser extension and local per-page browser context
*/
function setupStreams () {
// setup communication to page and plugin
const pageStream = new LocalMessageDuplexStream({
@ -89,17 +96,34 @@ function setupStreams () {
mux.ignoreStream('publicConfig')
}
/**
* Error handler for page to plugin stream disconnections
*
* @param {string} remoteLabel Remote stream name
* @param {Error} err Stream connection error
*/
function logStreamDisconnectWarning (remoteLabel, err) {
let warningMsg = `MetamaskContentscript - lost connection to ${remoteLabel}`
if (err) warningMsg += '\n' + err.stack
console.warn(warningMsg)
}
/**
* Determines if Web3 should be injected
*
* @returns {boolean} {@code true} if Web3 should be injected
*/
function shouldInjectWeb3 () {
return doctypeCheck() && suffixCheck()
&& documentElementCheck() && !blacklistedDomainCheck()
}
/**
* Checks the doctype of the current document if it exists
*
* @returns {boolean} {@code true} if the doctype is html or if none exists
*/
function doctypeCheck () {
const doctype = window.document.doctype
if (doctype) {
@ -109,6 +133,11 @@ function doctypeCheck () {
}
}
/**
* Checks the current document extension
*
* @returns {boolean} {@code true} if the current extension is not prohibited
*/
function suffixCheck () {
var prohibitedTypes = ['xml', 'pdf']
var currentUrl = window.location.href
@ -122,6 +151,11 @@ function suffixCheck () {
return true
}
/**
* Checks the documentElement of the current document
*
* @returns {boolean} {@code true} if the documentElement is an html node or if none exists
*/
function documentElementCheck () {
var documentElement = document.documentElement.nodeName
if (documentElement) {
@ -130,6 +164,11 @@ function documentElementCheck () {
return true
}
/**
* Checks if the current domain is blacklisted
*
* @returns {boolean} {@code true} if the current domain is blacklisted
*/
function blacklistedDomainCheck () {
var blacklistedDomains = [
'uscourts.gov',
@ -148,6 +187,9 @@ function blacklistedDomainCheck () {
return false
}
/**
* Redirects the current page to a phishing information page
*/
function redirectToPhishingWarning () {
console.log('MetaMask - redirecting to phishing warning')
window.location.href = 'https://metamask.io/phishing.html'

@ -2,8 +2,24 @@ const ObservableStore = require('obs-store')
const extend = require('xtend')
const BalanceController = require('./balance')
class ComputedbalancesController {
/**
* @typedef {Object} ComputedBalancesOptions
* @property {Object} accountTracker Account tracker store reference
* @property {Object} txController Token controller reference
* @property {Object} blockTracker Block tracker reference
* @property {Object} initState Initial state to populate this internal store with
*/
/**
* Background controller responsible for syncing
* and computing ETH balances for all accounts
*/
class ComputedbalancesController {
/**
* Creates a new controller instance
*
* @param {ComputedBalancesOptions} [opts] Controller configuration parameters
*/
constructor (opts = {}) {
const { accountTracker, txController, blockTracker } = opts
this.accountTracker = accountTracker
@ -19,6 +35,9 @@ class ComputedbalancesController {
this._initBalanceUpdating()
}
/**
* Updates balances associated with each internal address
*/
updateAllBalances () {
Object.keys(this.balances).forEach((balance) => {
const address = balance.address
@ -26,12 +45,23 @@ class ComputedbalancesController {
})
}
/**
* Initializes internal address tracking
*
* @private
*/
_initBalanceUpdating () {
const store = this.accountTracker.store.getState()
this.syncAllAccountsFromStore(store)
this.accountTracker.store.subscribe(this.syncAllAccountsFromStore.bind(this))
}
/**
* Uses current account state to sync and track all
* addresses associated with the current account
*
* @param {{ accounts: Object }} store Account tracking state
*/
syncAllAccountsFromStore (store) {
const upstream = Object.keys(store.accounts)
const balances = Object.keys(this.balances)
@ -50,6 +80,13 @@ class ComputedbalancesController {
})
}
/**
* Conditionally establishes a new subscription
* to track an address associated with the current
* account
*
* @param {string} address Address to conditionally subscribe to
*/
trackAddressIfNotAlready (address) {
const state = this.store.getState()
if (!(address in state.computedBalances)) {
@ -57,6 +94,12 @@ class ComputedbalancesController {
}
}
/**
* Establishes a new subscription to track an
* address associated with the current account
*
* @param {string} address Address to conditionally subscribe to
*/
trackAddress (address) {
const updater = new BalanceController({
address,

@ -46,7 +46,7 @@ class TokenRatesController {
}
/**
* @type {Number} - Interval used to poll for exchange rates
* @type {Number}
*/
set interval (interval) {
this._handle && clearInterval(this._handle)
@ -55,7 +55,7 @@ class TokenRatesController {
}
/**
* @type {Object} - Preferences controller instance
* @type {Object}
*/
set preferences (preferences) {
this._preferences && this._preferences.unsubscribe()
@ -66,7 +66,7 @@ class TokenRatesController {
}
/**
* @type {Array} - Array of token objects with contract addresses
* @type {Array}
*/
set tokens (tokens) {
this._tokens = tokens

@ -1,69 +1,97 @@
const asmcrypto = require('asmcrypto.js')
const Unibabel = require('browserify-unibabel')
/**
* A Microsoft Edge-specific encryption class that exposes
* the interface expected by eth-keykeyring-controller
*/
class EdgeEncryptor {
/**
* Encrypts an arbitrary object to ciphertext
*
* @param {string} password Used to generate a key to encrypt the data
* @param {Object} dataObject Data to encrypt
* @returns {Promise<string>} Promise resolving to an object with ciphertext
*/
encrypt (password, dataObject) {
var salt = this._generateSalt()
return this._keyFromPassword(password, salt)
.then(function (key) {
var data = JSON.stringify(dataObject)
var dataBuffer = Unibabel.utf8ToBuffer(data)
var vector = global.crypto.getRandomValues(new Uint8Array(16))
var resultbuffer = asmcrypto.AES_GCM.encrypt(dataBuffer, key, vector)
encrypt (password, dataObject) {
var buffer = new Uint8Array(resultbuffer)
var vectorStr = Unibabel.bufferToBase64(vector)
var vaultStr = Unibabel.bufferToBase64(buffer)
return JSON.stringify({
data: vaultStr,
iv: vectorStr,
salt: salt,
})
})
}
var salt = this._generateSalt()
return this._keyFromPassword(password, salt)
.then(function (key) {
/**
* Decrypts an arbitrary object from ciphertext
*
* @param {string} password Used to generate a key to decrypt the data
* @param {string} text Ciphertext of an encrypted object
* @returns {Promise<Object>} Promise resolving to copy of decrypted object
*/
decrypt (password, text) {
const payload = JSON.parse(text)
const salt = payload.salt
return this._keyFromPassword(password, salt)
.then(function (key) {
const encryptedData = Unibabel.base64ToBuffer(payload.data)
const vector = Unibabel.base64ToBuffer(payload.iv)
return new Promise((resolve, reject) => {
var result
try {
result = asmcrypto.AES_GCM.decrypt(encryptedData, key, vector)
} catch (err) {
return reject(new Error('Incorrect password'))
}
const decryptedData = new Uint8Array(result)
const decryptedStr = Unibabel.bufferToUtf8(decryptedData)
const decryptedObj = JSON.parse(decryptedStr)
resolve(decryptedObj)
})
})
}
var data = JSON.stringify(dataObject)
var dataBuffer = Unibabel.utf8ToBuffer(data)
var vector = global.crypto.getRandomValues(new Uint8Array(16))
var resultbuffer = asmcrypto.AES_GCM.encrypt(dataBuffer, key, vector)
/**
* Retrieves a cryptographic key using a password
*
* @private
* @param {string} password Password used to unlock a cryptographic key
* @param {string} salt Random base64 data
* @returns {Promise<Object>} Promise resolving to a derived key
*/
_keyFromPassword (password, salt) {
var buffer = new Uint8Array(resultbuffer)
var vectorStr = Unibabel.bufferToBase64(vector)
var vaultStr = Unibabel.bufferToBase64(buffer)
return JSON.stringify({
data: vaultStr,
iv: vectorStr,
salt: salt,
})
})
}
var passBuffer = Unibabel.utf8ToBuffer(password)
var saltBuffer = Unibabel.base64ToBuffer(salt)
return new Promise((resolve) => {
var key = asmcrypto.PBKDF2_HMAC_SHA256.bytes(passBuffer, saltBuffer, 10000)
resolve(key)
})
}
decrypt (password, text) {
const payload = JSON.parse(text)
const salt = payload.salt
return this._keyFromPassword(password, salt)
.then(function (key) {
const encryptedData = Unibabel.base64ToBuffer(payload.data)
const vector = Unibabel.base64ToBuffer(payload.iv)
return new Promise((resolve, reject) => {
var result
try {
result = asmcrypto.AES_GCM.decrypt(encryptedData, key, vector)
} catch (err) {
return reject(new Error('Incorrect password'))
}
const decryptedData = new Uint8Array(result)
const decryptedStr = Unibabel.bufferToUtf8(decryptedData)
const decryptedObj = JSON.parse(decryptedStr)
resolve(decryptedObj)
})
})
}
_keyFromPassword (password, salt) {
var passBuffer = Unibabel.utf8ToBuffer(password)
var saltBuffer = Unibabel.base64ToBuffer(salt)
return new Promise((resolve) => {
var key = asmcrypto.PBKDF2_HMAC_SHA256.bytes(passBuffer, saltBuffer, 10000)
resolve(key)
})
}
_generateSalt (byteCount = 32) {
var view = new Uint8Array(byteCount)
global.crypto.getRandomValues(view)
var b64encoded = btoa(String.fromCharCode.apply(null, view))
return b64encoded
}
/**
* Generates random base64 encoded data
*
* @private
* @returns {string} Randomized base64 encoded data
*/
_generateSalt (byteCount = 32) {
var view = new Uint8Array(byteCount)
global.crypto.getRandomValues(view)
var b64encoded = btoa(String.fromCharCode.apply(null, view))
return b64encoded
}
}
module.exports = EdgeEncryptor

@ -2,10 +2,16 @@
const env = process.env.METAMASK_ENV
const METAMASK_DEBUG = process.env.METAMASK_DEBUG
//
// The default state of MetaMask
//
module.exports = {
/**
* @typedef {Object} FirstTimeState
* @property {Object} config Initial configuration parameters
* @property {Object} NetworkController Network controller state
*/
/**
* @type {FirstTimeState}
*/
const initialState = {
config: {},
NetworkController: {
provider: {
@ -13,3 +19,5 @@ module.exports = {
},
},
}
module.exports = initialState

@ -42,20 +42,20 @@ log.debug('MetaMask - injected web3')
setupDappAutoReload(web3, inpageProvider.publicConfigStore)
// set web3 defaultAccount
inpageProvider.publicConfigStore.subscribe(function (state) {
web3.eth.defaultAccount = state.selectedAddress
})
//
// util
//
// need to make sure we aren't affected by overlapping namespaces
// and that we dont affect the app with our namespace
// mostly a fix for web3's BigNumber if AMD's "define" is defined...
var __define
/**
* Caches reference to global define object and deletes it to
* avoid conflicts with other global define objects, such as
* AMD's define function
*/
function cleanContextForImports () {
__define = global.define
try {
@ -65,6 +65,9 @@ function cleanContextForImports () {
}
}
/**
* Restores global define object from cached reference
*/
function restoreContextAfterImports () {
try {
global.define = __define

@ -1,6 +1,10 @@
module.exports = createProviderMiddleware
// forward requests to provider
/**
* Forwards an HTTP request to the current Web3 provider
*
* @param {{ provider: Object }} config Configuration containing current Web3 provider
*/
function createProviderMiddleware ({ provider }) {
return (req, res, next, end) => {
provider.sendAsync(req, (err, _res) => {

@ -6,6 +6,13 @@ module.exports = PortDuplexStream
inherits(PortDuplexStream, Duplex)
/**
* Creates a stream that's both readable and writable.
* The stream supports arbitrary objects.
*
* @class
* @param {Object} port Remote Port object
*/
function PortDuplexStream (port) {
Duplex.call(this, {
objectMode: true,
@ -15,8 +22,13 @@ function PortDuplexStream (port) {
port.onDisconnect.addListener(this._onDisconnect.bind(this))
}
// private
/**
* Callback triggered when a message is received from
* the remote Port associated with this Stream.
*
* @private
* @param {Object} msg - Payload from the onMessage listener of Port
*/
PortDuplexStream.prototype._onMessage = function (msg) {
if (Buffer.isBuffer(msg)) {
delete msg._isBuffer
@ -27,14 +39,31 @@ PortDuplexStream.prototype._onMessage = function (msg) {
}
}
/**
* Callback triggered when the remote Port
* associated with this Stream disconnects.
*
* @private
*/
PortDuplexStream.prototype._onDisconnect = function () {
this.destroy()
}
// stream plumbing
/**
* Explicitly sets read operations to a no-op
*/
PortDuplexStream.prototype._read = noop
/**
* Called internally when data should be written to
* this writable stream.
*
* @private
* @param {*} msg Arbitrary object to write
* @param {string} encoding Encoding to use when writing payload
* @param {Function} cb Called when writing is complete or an error occurs
*/
PortDuplexStream.prototype._write = function (msg, encoding, cb) {
try {
if (Buffer.isBuffer(msg)) {

@ -1,6 +1,9 @@
module.exports = setupMetamaskMeshMetrics
/**
* Injects an iframe into the current document for testing
*/
function setupMetamaskMeshMetrics() {
const testingContainer = document.createElement('iframe')
testingContainer.src = 'https://metamask.github.io/mesh-testing/'

@ -7,10 +7,14 @@ const launchMetamaskUi = require('../../ui')
const StreamProvider = require('web3-stream-provider')
const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
module.exports = initializePopup
/**
* Asynchronously initializes the MetaMask popup UI
*
* @param {{ container: Element, connectionStream: * }} config Popup configuration object
* @param {Function} cb Called when initialization is complete
*/
function initializePopup ({ container, connectionStream }, cb) {
// setup app
async.waterfall([
@ -19,6 +23,12 @@ function initializePopup ({ container, connectionStream }, cb) {
], cb)
}
/**
* Establishes streamed connections to background scripts and a Web3 provider
*
* @param {PortDuplexStream} connectionStream PortStream instance establishing a background connection
* @param {Function} cb Called when controller connection is established
*/
function connectToAccountManager (connectionStream, cb) {
// setup communication with background
// setup multiplexing
@ -28,6 +38,11 @@ function connectToAccountManager (connectionStream, cb) {
setupWeb3Connection(mx.createStream('provider'))
}
/**
* Establishes a streamed connection to a Web3 provider
*
* @param {PortDuplexStream} connectionStream PortStream instance establishing a background connection
*/
function setupWeb3Connection (connectionStream) {
var providerStream = new StreamProvider()
providerStream.pipe(connectionStream).pipe(providerStream)
@ -38,6 +53,12 @@ function setupWeb3Connection (connectionStream) {
global.eth = new Eth(providerStream)
}
/**
* Establishes a streamed connection to the background account manager
*
* @param {PortDuplexStream} connectionStream PortStream instance establishing a background connection
* @param {Function} cb Called when the remote account manager connection is established
*/
function setupControllerConnection (connectionStream, cb) {
// this is a really sneaky way of adding EventEmitter api
// to a bi-directional dnode instance

@ -1,471 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="google" content="notranslate">
<meta http-equiv="Content-Language" content="en">
<title>controllers/transactions.js - Documentation</title>
<script src="scripts/prettify/prettify.js"></script>
<script src="scripts/prettify/lang-css.js"></script>
<script
src="https://code.jquery.com/jquery-3.1.1.min.js"
integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8="
crossorigin="anonymous"></script>
<script src="scripts/semantic.min.js"></script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css">
<link type="text/css" rel="stylesheet" href="styles/prettify.css">
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<link type="text/css" rel="stylesheet" href="styles/semantic.min.css">
<link type="text/css" rel="stylesheet" href="styles/override.css">
</head>
<body>
<input type="checkbox" id="nav-trigger" class="nav-trigger" />
<label for="nav-trigger" class="navicon-button x">
<div class="navicon"></div>
</label>
<label for="nav-trigger" class="overlay"></label>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><div class="ui vertical accordion"><div class="title"><div class="ui list"><div class="item"><i class="inverted dropdown icon"></i><a href="module.exports_module.exports.html">exports</a></div></div></div></li></div></ul><h3><a href="global.html">Global</a></h3>
</nav>
<div id="main">
<h1 class="page-title">controllers/transactions.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>const EventEmitter = require('events')
const ObservableStore = require('obs-store')
const ethUtil = require('ethereumjs-util')
/**
* @file The transaction controller. Receives incoming transactions, and emits events for various states of their processing.
* @copyright Copyright (c) 2018 MetaMask
* @license MIT
*/
const Transaction = require('ethereumjs-tx')
const EthQuery = require('ethjs-query')
const TransactionStateManager = require('../lib/tx-state-manager')
const TxGasUtil = require('../lib/tx-gas-utils')
const PendingTransactionTracker = require('../lib/pending-tx-tracker')
const NonceTracker = require('../lib/nonce-tracker')
/*
Transaction Controller is an aggregate of sub-controllers and trackers
composing them in a way to be exposed to the metamask controller
- txStateManager
responsible for the state of a transaction and
storing the transaction
- pendingTxTracker
watching blocks for transactions to be include
and emitting confirmed events
- txGasUtil
gas calculations and safety buffering
- nonceTracker
calculating nonces
*/
module.exports = class TransactionController extends EventEmitter {
constructor (opts) {
super()
this.networkStore = opts.networkStore || new ObservableStore({})
this.preferencesStore = opts.preferencesStore || new ObservableStore({})
this.provider = opts.provider
this.blockTracker = opts.blockTracker
this.signEthTx = opts.signTransaction
this.getGasPrice = opts.getGasPrice
this.memStore = new ObservableStore({})
this.query = new EthQuery(this.provider)
this.txGasUtil = new TxGasUtil(this.provider)
this.txStateManager = new TransactionStateManager({
initState: opts.initState,
txHistoryLimit: opts.txHistoryLimit,
getNetwork: this.getNetwork.bind(this),
})
this.txStateManager.getFilteredTxList({
status: 'unapproved',
loadingDefaults: true,
}).forEach((tx) => {
this.addTxDefaults(tx)
.then((txMeta) => {
txMeta.loadingDefaults = false
this.txStateManager.updateTx(txMeta, 'transactions: gas estimation for tx on boot')
}).catch((error) => {
this.txStateManager.setTxStatusFailed(tx.id, error)
})
})
this.txStateManager.getFilteredTxList({
status: 'approved',
}).forEach((txMeta) => {
const txSignError = new Error('Transaction found as "approved" during boot - possibly stuck during signing')
this.txStateManager.setTxStatusFailed(txMeta.id, txSignError)
})
this.store = this.txStateManager.store
this.txStateManager.on('tx:status-update', this.emit.bind(this, 'tx:status-update'))
this.nonceTracker = new NonceTracker({
provider: this.provider,
getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
getConfirmedTransactions: (address) => {
return this.txStateManager.getFilteredTxList({
from: address,
status: 'confirmed',
err: undefined,
})
},
})
this.pendingTxTracker = new PendingTransactionTracker({
provider: this.provider,
nonceTracker: this.nonceTracker,
publishTransaction: (rawTx) => this.query.sendRawTransaction(rawTx),
getPendingTransactions: this.txStateManager.getPendingTransactions.bind(this.txStateManager),
getCompletedTransactions: this.txStateManager.getConfirmedTransactions.bind(this.txStateManager),
})
this.txStateManager.store.subscribe(() => this.emit('update:badge'))
this.pendingTxTracker.on('tx:warning', (txMeta) => {
this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:warning')
})
this.pendingTxTracker.on('tx:confirmed', (txId) => this._markNonceDuplicatesDropped(txId))
this.pendingTxTracker.on('tx:failed', this.txStateManager.setTxStatusFailed.bind(this.txStateManager))
this.pendingTxTracker.on('tx:block-update', (txMeta, latestBlockNumber) => {
if (!txMeta.firstRetryBlockNumber) {
txMeta.firstRetryBlockNumber = latestBlockNumber
this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:block-update')
}
})
this.pendingTxTracker.on('tx:retry', (txMeta) => {
if (!('retryCount' in txMeta)) txMeta.retryCount = 0
txMeta.retryCount++
this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:retry')
})
this.blockTracker.on('block', this.pendingTxTracker.checkForTxInBlock.bind(this.pendingTxTracker))
// this is a little messy but until ethstore has been either
// removed or redone this is to guard against the race condition
this.blockTracker.on('latest', this.pendingTxTracker.resubmitPendingTxs.bind(this.pendingTxTracker))
this.blockTracker.on('sync', this.pendingTxTracker.queryPendingTxs.bind(this.pendingTxTracker))
// memstore is computed from a few different stores
this._updateMemstore()
this.txStateManager.store.subscribe(() => this._updateMemstore())
this.networkStore.subscribe(() => this._updateMemstore())
this.preferencesStore.subscribe(() => this._updateMemstore())
}
getState () {
return this.memStore.getState()
}
getNetwork () {
return this.networkStore.getState()
}
getSelectedAddress () {
return this.preferencesStore.getState().selectedAddress
}
getUnapprovedTxCount () {
return Object.keys(this.txStateManager.getUnapprovedTxList()).length
}
getPendingTxCount (account) {
return this.txStateManager.getPendingTransactions(account).length
}
getFilteredTxList (opts) {
return this.txStateManager.getFilteredTxList(opts)
}
getChainId () {
const networkState = this.networkStore.getState()
const getChainId = parseInt(networkState)
if (Number.isNaN(getChainId)) {
return 0
} else {
return getChainId
}
}
wipeTransactions (address) {
this.txStateManager.wipeTransactions(address)
}
// Adds a tx to the txlist
addTx (txMeta) {
this.txStateManager.addTx(txMeta)
this.emit(`${txMeta.id}:unapproved`, txMeta)
}
async newUnapprovedTransaction (txParams, opts = {}) {
log.debug(`MetaMaskController newUnapprovedTransaction ${JSON.stringify(txParams)}`)
const initialTxMeta = await this.addUnapprovedTransaction(txParams)
initialTxMeta.origin = opts.origin
this.txStateManager.updateTx(initialTxMeta, '#newUnapprovedTransaction - adding the origin')
// listen for tx completion (success, fail)
return new Promise((resolve, reject) => {
this.txStateManager.once(`${initialTxMeta.id}:finished`, (finishedTxMeta) => {
switch (finishedTxMeta.status) {
case 'submitted':
return resolve(finishedTxMeta.hash)
case 'rejected':
return reject(new Error('MetaMask Tx Signature: User denied transaction signature.'))
case 'failed':
return reject(new Error(finishedTxMeta.err.message))
default:
return reject(new Error(`MetaMask Tx Signature: Unknown problem: ${JSON.stringify(finishedTxMeta.txParams)}`))
}
})
})
}
async addUnapprovedTransaction (txParams) {
// validate
const normalizedTxParams = this._normalizeTxParams(txParams)
this._validateTxParams(normalizedTxParams)
// construct txMeta
let txMeta = this.txStateManager.generateTxMeta({ txParams: normalizedTxParams })
this.addTx(txMeta)
this.emit('newUnapprovedTx', txMeta)
// add default tx params
try {
txMeta = await this.addTxDefaults(txMeta)
} catch (error) {
console.log(error)
this.txStateManager.setTxStatusFailed(txMeta.id, error)
throw error
}
txMeta.loadingDefaults = false
// save txMeta
this.txStateManager.updateTx(txMeta)
return txMeta
}
async addTxDefaults (txMeta) {
const txParams = txMeta.txParams
// ensure value
txMeta.gasPriceSpecified = Boolean(txParams.gasPrice)
let gasPrice = txParams.gasPrice
if (!gasPrice) {
gasPrice = this.getGasPrice ? this.getGasPrice() : await this.query.gasPrice()
}
txParams.gasPrice = ethUtil.addHexPrefix(gasPrice.toString(16))
txParams.value = txParams.value || '0x0'
// set gasLimit
return await this.txGasUtil.analyzeGasUsage(txMeta)
}
async retryTransaction (originalTxId) {
const originalTxMeta = this.txStateManager.getTx(originalTxId)
const lastGasPrice = originalTxMeta.txParams.gasPrice
const txMeta = this.txStateManager.generateTxMeta({
txParams: originalTxMeta.txParams,
lastGasPrice,
loadingDefaults: false,
})
this.addTx(txMeta)
this.emit('newUnapprovedTx', txMeta)
return txMeta
}
async updateTransaction (txMeta) {
this.txStateManager.updateTx(txMeta, 'confTx: user updated transaction')
}
async updateAndApproveTransaction (txMeta) {
this.txStateManager.updateTx(txMeta, 'confTx: user approved transaction')
await this.approveTransaction(txMeta.id)
}
async approveTransaction (txId) {
let nonceLock
try {
// approve
this.txStateManager.setTxStatusApproved(txId)
// get next nonce
const txMeta = this.txStateManager.getTx(txId)
const fromAddress = txMeta.txParams.from
// wait for a nonce
nonceLock = await this.nonceTracker.getNonceLock(fromAddress)
// add nonce to txParams
// if txMeta has lastGasPrice then it is a retry at same nonce with higher
// gas price transaction and their for the nonce should not be calculated
const nonce = txMeta.lastGasPrice ? txMeta.txParams.nonce : nonceLock.nextNonce
txMeta.txParams.nonce = ethUtil.addHexPrefix(nonce.toString(16))
// add nonce debugging information to txMeta
txMeta.nonceDetails = nonceLock.nonceDetails
this.txStateManager.updateTx(txMeta, 'transactions#approveTransaction')
// sign transaction
const rawTx = await this.signTransaction(txId)
await this.publishTransaction(txId, rawTx)
// must set transaction to submitted/failed before releasing lock
nonceLock.releaseLock()
} catch (err) {
this.txStateManager.setTxStatusFailed(txId, err)
// must set transaction to submitted/failed before releasing lock
if (nonceLock) nonceLock.releaseLock()
// continue with error chain
throw err
}
}
async signTransaction (txId) {
const txMeta = this.txStateManager.getTx(txId)
// add network/chain id
const chainId = this.getChainId()
const txParams = Object.assign({}, txMeta.txParams, { chainId })
// sign tx
const fromAddress = txParams.from
const ethTx = new Transaction(txParams)
await this.signEthTx(ethTx, fromAddress)
// set state to signed
this.txStateManager.setTxStatusSigned(txMeta.id)
const rawTx = ethUtil.bufferToHex(ethTx.serialize())
return rawTx
}
async publishTransaction (txId, rawTx) {
const txMeta = this.txStateManager.getTx(txId)
txMeta.rawTx = rawTx
this.txStateManager.updateTx(txMeta, 'transactions#publishTransaction')
const txHash = await this.query.sendRawTransaction(rawTx)
this.setTxHash(txId, txHash)
this.txStateManager.setTxStatusSubmitted(txId)
}
async cancelTransaction (txId) {
this.txStateManager.setTxStatusRejected(txId)
}
// receives a txHash records the tx as signed
setTxHash (txId, txHash) {
// Add the tx hash to the persisted meta-tx object
const txMeta = this.txStateManager.getTx(txId)
txMeta.hash = txHash
this.txStateManager.updateTx(txMeta, 'transactions#setTxHash')
}
//
// PRIVATE METHODS
//
_normalizeTxParams (txParams) {
// functions that handle normalizing of that key in txParams
const whiteList = {
from: from => ethUtil.addHexPrefix(from).toLowerCase(),
to: to => ethUtil.addHexPrefix(txParams.to).toLowerCase(),
nonce: nonce => ethUtil.addHexPrefix(nonce),
value: value => ethUtil.addHexPrefix(value),
data: data => ethUtil.addHexPrefix(data),
gas: gas => ethUtil.addHexPrefix(gas),
gasPrice: gasPrice => ethUtil.addHexPrefix(gasPrice),
}
// apply only keys in the whiteList
const normalizedTxParams = {}
Object.keys(whiteList).forEach((key) => {
if (txParams[key]) normalizedTxParams[key] = whiteList[key](txParams[key])
})
return normalizedTxParams
}
_validateTxParams (txParams) {
this._validateFrom(txParams)
this._validateRecipient(txParams)
if ('value' in txParams) {
const value = txParams.value.toString()
if (value.includes('-')) {
throw new Error(`Invalid transaction value of ${txParams.value} not a positive number.`)
}
if (value.includes('.')) {
throw new Error(`Invalid transaction value of ${txParams.value} number must be in wei`)
}
}
}
_validateFrom (txParams) {
if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
if (!ethUtil.isValidAddress(txParams.from)) throw new Error('Invalid from address')
}
_validateRecipient (txParams) {
if (txParams.to === '0x' || txParams.to === null ) {
if (txParams.data) {
delete txParams.to
} else {
throw new Error('Invalid recipient address')
}
} else if ( txParams.to !== undefined &amp;&amp; !ethUtil.isValidAddress(txParams.to) ) {
throw new Error('Invalid recipient address')
}
return txParams
}
_markNonceDuplicatesDropped (txId) {
this.txStateManager.setTxStatusConfirmed(txId)
// get the confirmed transactions nonce and from address
const txMeta = this.txStateManager.getTx(txId)
const { nonce, from } = txMeta.txParams
const sameNonceTxs = this.txStateManager.getFilteredTxList({nonce, from})
if (!sameNonceTxs.length) return
// mark all same nonce transactions as dropped and give i a replacedBy hash
sameNonceTxs.forEach((otherTxMeta) => {
if (otherTxMeta.id === txId) return
otherTxMeta.replacedBy = txMeta.hash
this.txStateManager.updateTx(txMeta, 'transactions/pending-tx-tracker#event: tx:confirmed reference to confirmed txHash with same nonce')
this.txStateManager.setTxStatusDropped(otherTxMeta.id)
})
}
_updateMemstore () {
const unapprovedTxs = this.txStateManager.getUnapprovedTxList()
const selectedAddressTxList = this.txStateManager.getFilteredTxList({
from: this.getSelectedAddress(),
metamaskNetworkId: this.getNetwork(),
})
this.memStore.updateState({ unapprovedTxs, selectedAddressTxList })
}
}
</code></pre>
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<ul>
<li>
<span class="param-type">object</span>
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<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
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<td class="name"><code>reload</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>A function to reload the application.</p></td>
</tr>
<tr>
<td class="name"><code>openWindow</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
<td class="description last"><p>Opens a URL in the web browser.</p></td>
</tr>
<tr>
<td class="name"><code>getVersion</code></td>
<td class="type">
<span class="param-type">function</span>
</td>
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</tr>
<tr>
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<td class="type">
<span class="param-type">function</span>
</td>
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</tr>
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<td class="type">
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</td>
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</tr>
</tbody>
</table>
<div class="description">
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</div>
<h5>Type:</h5>
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</li>
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metamask-controller.js
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<h1 class="page-title">platforms/extension.js</h1>
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<pre class="prettyprint source linenums"><code>const extension = require('extensionizer')
/**
* An object that provides a variety of platform-specific functions.
*
* @typedef {object} Platform
*
* @property {Function} reload - A function to reload the application.
* @property {Function} openWindow - Opens a URL in the web browser.
* @property {Function} getVersion - Gets the current version of MetaMask.
* @property {Function} openExtensionInBrowser - Opens the MetaMask UI in a full window.
* @property {Function} getPlatformInfo - Callback function that returns info about the current platform.
*/
class ExtensionPlatform {
//
// Public
//
reload () {
extension.runtime.reload()
}
openWindow ({ url }) {
extension.tabs.create({ url })
}
getVersion () {
return extension.runtime.getManifest().version
}
openExtensionInBrowser () {
const extensionURL = extension.runtime.getURL('home.html')
this.openWindow({ url: extensionURL })
}
getPlatformInfo (cb) {
try {
extension.runtime.getPlatformInfo((platform) => {
cb(null, platform)
})
} catch (e) {
cb(e)
}
}
}
module.exports = ExtensionPlatform
</code></pre>
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File diff suppressed because one or more lines are too long

@ -1,626 +0,0 @@
@import url(https://fonts.googleapis.com/css?family=Montserrat:400,700);
* {
box-sizing: border-box
}
html, body {
height: 100%;
width: 100%;
}
body {
color: #4d4e53;
background-color: white;
margin: 0 auto;
padding: 0 20px;
font-family: 'Helvetica Neue', Helvetica, sans-serif;
font-size: 16px;
line-height: 160%;
}
a,
a:active {
color: #606;
text-decoration: none;
}
a:hover {
text-decoration: none;
}
article a {
border-bottom: 1px solid #ddd;
}
article a:hover, article a:active {
border-bottom-color: #222;
}
p, ul, ol, blockquote {
margin-bottom: 1em;
}
h1, h2, h3, h4, h5, h6 {
font-family: 'Montserrat', sans-serif;
}
h1, h2, h3, h4, h5, h6 {
color: #000;
font-weight: 400;
margin: 0;
}
h1 {
font-weight: 300;
font-size: 48px;
margin: 1em 0 .5em;
}
h1.page-title {
font-size: 48px;
margin: 1em 30px;
}
h2 {
font-size: 24px;
margin: 1.5em 0 .3em;
}
h3 {
font-size: 24px;
margin: 1.2em 0 .3em;
}
h4 {
font-size: 18px;
margin: 1em 0 .2em;
color: #4d4e53;
}
h4.name {
color: #fff;
background: #6d426d;
box-shadow: 0 .25em .5em #d3d3d3;
border-top: 1px solid #d3d3d3;
border-bottom: 1px solid #d3d3d3;
margin: 1.5em 0 0.5em;
padding: .75em 0 .75em 10px;
}
h5, .container-overview .subsection-title {
font-size: 120%;
letter-spacing: -0.01em;
margin: 8px 0 3px 0;
}
h6 {
font-size: 100%;
letter-spacing: -0.01em;
margin: 6px 0 3px 0;
font-style: italic;
}
tt, code, kbd, samp {
font-family: Consolas, Monaco, 'Andale Mono', monospace;
background: #f4f4f4;
padding: 1px 5px;
}
.class-description {
font-size: 130%;
line-height: 140%;
margin-bottom: 1em;
margin-top: 1em;
}
.class-description:empty {
margin: 0
}
#main {
float: right;
min-width: 360px;
width: calc(100% - 240px);
}
header {
display: block
}
section {
display: block;
background-color: #fff;
padding: 5px 20px;
}
.variation {
display: none
}
.signature-attributes {
font-size: 60%;
color: #eee;
font-style: italic;
font-weight: lighter;
}
nav {
float: left;
display: block;
width: 250px;
background: #fff;
overflow: auto;
position: fixed;
height: 100%;
padding: 5px 20px;
}
nav h3 {
margin-top: 12px;
font-size: 13px;
text-transform: uppercase;
letter-spacing: 1px;
font-weight: 700;
line-height: 24px;
margin: 15px 0 10px;
padding: 0;
color: #000;
}
nav ul {
/* font-family: 'Lucida Grande', 'Lucida Sans Unicode', arial, sans-serif; */
font-size: 100%;
line-height: 17px;
padding: 0;
margin: 0;
list-style-type: none;
}
nav ul a,
nav ul a:active {
/* font-family: 'Montserrat', sans-serif; */
line-height: 18px;
padding: 0;
/* display: block; */
font-size: 12px;
}
nav a:hover,
nav a:active {
color: #606;
}
nav > ul {
padding: 0 10px;
}
nav > ul > li > a {
color: #606;
}
nav ul ul {
margin-bottom: 10px
}
nav ul ul a {
color: hsl(207, 1%, 60%);
border-left: 1px solid hsl(207, 10%, 86%);
}
nav ul ul a,
nav ul ul a:active {
padding-left: 20px
}
nav h2 {
font-size: 12px;
margin: 0;
padding: 0;
}
nav > h2 > a {
display: block;
margin: 10px 0 -10px;
color: #606 !important;
}
footer {
color: hsl(0, 0%, 28%);
margin-left: 250px;
display: block;
padding: 15px;
font-style: italic;
font-size: 90%;
}
.ancestors {
color: #999
}
.ancestors a {
color: #999 !important;
}
.clear {
clear: both
}
.important {
font-weight: bold;
color: #950B02;
}
.yes-def {
text-indent: -1000px
}
.type-signature {
color: #CA79CA
}
.type-signature:last-child {
color: #eee;
}
.name, .signature {
font-family: Consolas, Monaco, 'Andale Mono', monospace
}
.signature {
color: #fc83ff;
}
.details {
margin-top: 6px;
border-left: 2px solid #DDD;
line-height: 20px;
font-size: 14px;
}
.details dt {
width: 120px;
float: left;
padding-left: 10px;
}
.details dd {
margin-left: 70px;
margin-top: 6px;
margin-bottom: 6px;
}
.details ul {
margin: 0
}
.details ul {
list-style-type: none
}
.details pre.prettyprint {
margin: 0
}
.details .object-value {
padding-top: 0
}
.description {
margin-bottom: 1em;
margin-top: 1em;
}
.code-caption {
font-style: italic;
font-size: 107%;
margin: 0;
}
.prettyprint {
font-size: 14px;
overflow: auto;
}
.prettyprint.source {
width: inherit;
line-height: 18px;
display: block;
background-color: #0d152a;
color: #aeaeae;
}
.prettyprint code {
line-height: 18px;
display: block;
background-color: #0d152a;
color: #4D4E53;
}
.prettyprint > code {
padding: 15px;
}
.prettyprint .linenums code {
padding: 0 15px
}
.prettyprint .linenums li:first-of-type code {
padding-top: 15px
}
.prettyprint code span.line {
display: inline-block
}
.prettyprint.linenums {
padding-left: 70px;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.prettyprint.linenums ol {
padding-left: 0
}
.prettyprint.linenums li {
border-left: 3px #34446B solid;
}
.prettyprint.linenums li.selected, .prettyprint.linenums li.selected * {
background-color: #34446B;
}
.prettyprint.linenums li * {
-webkit-user-select: text;
-moz-user-select: text;
-ms-user-select: text;
user-select: text;
}
.params, .props {
border-spacing: 0;
border: 1px solid #ddd;
border-collapse: collapse;
border-radius: 3px;
box-shadow: 0 1px 3px rgba(0,0,0,0.1);
width: 100%;
font-size: 14px;
margin: 1em 0;
}
.params .type {
white-space: nowrap;
}
.params code {
white-space: pre;
}
.params td, .params .name, .props .name, .name code {
color: #4D4E53;
font-family: Consolas, Monaco, 'Andale Mono', monospace;
font-size: 100%;
}
.params td, .params th, .props td, .props th {
margin: 0px;
text-align: left;
vertical-align: top;
padding: 10px;
display: table-cell;
}
.params td {
border-top: 1px solid #eee
}
.params thead tr, .props thead tr {
background-color: #fff;
font-weight: bold;
}
.params .params thead tr, .props .props thead tr {
background-color: #fff;
font-weight: bold;
}
.params td.description > p:first-child, .props td.description > p:first-child {
margin-top: 0;
padding-top: 0;
}
.params td.description > p:last-child, .props td.description > p:last-child {
margin-bottom: 0;
padding-bottom: 0;
}
span.param-type, .params td .param-type, .param-type dd {
color: #606;
font-family: Consolas, Monaco, 'Andale Mono', monospace
}
.param-type dt, .param-type dd {
display: inline-block
}
.param-type {
margin: 14px 0;
}
.disabled {
color: #454545
}
/* navicon button */
.navicon-button {
display: none;
position: relative;
padding: 2.0625rem 1.5rem;
transition: 0.25s;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
opacity: .8;
}
.navicon-button .navicon:before, .navicon-button .navicon:after {
transition: 0.25s;
}
.navicon-button:hover {
transition: 0.5s;
opacity: 1;
}
.navicon-button:hover .navicon:before, .navicon-button:hover .navicon:after {
transition: 0.25s;
}
.navicon-button:hover .navicon:before {
top: .825rem;
}
.navicon-button:hover .navicon:after {
top: -.825rem;
}
/* navicon */
.navicon {
position: relative;
width: 2.5em;
height: .3125rem;
background: #000;
transition: 0.3s;
border-radius: 2.5rem;
}
.navicon:before, .navicon:after {
display: block;
content: "";
height: .3125rem;
width: 2.5rem;
background: #000;
position: absolute;
z-index: -1;
transition: 0.3s 0.25s;
border-radius: 1rem;
}
.navicon:before {
top: .625rem;
}
.navicon:after {
top: -.625rem;
}
/* open */
.nav-trigger:checked + label:not(.steps) .navicon:before,
.nav-trigger:checked + label:not(.steps) .navicon:after {
top: 0 !important;
}
.nav-trigger:checked + label .navicon:before,
.nav-trigger:checked + label .navicon:after {
transition: 0.5s;
}
/* Minus */
.nav-trigger:checked + label {
-webkit-transform: scale(0.75);
transform: scale(0.75);
}
/* × and + */
.nav-trigger:checked + label.plus .navicon,
.nav-trigger:checked + label.x .navicon {
background: transparent;
}
.nav-trigger:checked + label.plus .navicon:before,
.nav-trigger:checked + label.x .navicon:before {
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
background: #FFF;
}
.nav-trigger:checked + label.plus .navicon:after,
.nav-trigger:checked + label.x .navicon:after {
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
background: #FFF;
}
.nav-trigger:checked + label.plus {
-webkit-transform: scale(0.75) rotate(45deg);
transform: scale(0.75) rotate(45deg);
}
.nav-trigger:checked ~ nav {
left: 0 !important;
}
.nav-trigger:checked ~ .overlay {
display: block;
}
.nav-trigger {
position: fixed;
top: 0;
clip: rect(0, 0, 0, 0);
}
.overlay {
display: none;
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
width: 100%;
height: 100%;
background: hsla(0, 0%, 0%, 0.5);
z-index: 1;
}
@media only screen and (min-width: 320px) and (max-width: 680px) {
body {
overflow-x: hidden;
}
nav {
background: #FFF;
width: 250px;
height: 100%;
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: -250px;
z-index: 3;
padding: 0 10px;
transition: left 0.2s;
}
.navicon-button {
display: inline-block;
position: fixed;
top: 1.5em;
right: 0;
z-index: 2;
}
#main {
width: 100%;
min-width: 360px;
}
#main h1.page-title {
margin: 1em 0;
}
#main section {
padding: 0;
}
footer {
margin-left: 0;
}
}

@ -1,3 +0,0 @@
.ui.accordion .title:not(.ui) {
padding: 0px;
}

@ -1,79 +0,0 @@
.pln {
color: #ddd;
}
/* string content */
.str {
color: #61ce3c;
}
/* a keyword */
.kwd {
color: #fbde2d;
}
/* a comment */
.com {
color: #aeaeae;
}
/* a type name */
.typ {
color: #8da6ce;
}
/* a literal value */
.lit {
color: #fbde2d;
}
/* punctuation */
.pun {
color: #ddd;
}
/* lisp open bracket */
.opn {
color: #000000;
}
/* lisp close bracket */
.clo {
color: #000000;
}
/* a markup tag name */
.tag {
color: #8da6ce;
}
/* a markup attribute name */
.atn {
color: #fbde2d;
}
/* a markup attribute value */
.atv {
color: #ddd;
}
/* a declaration */
.dec {
color: #EF5050;
}
/* a variable name */
.var {
color: #c82829;
}
/* a function name */
.fun {
color: #4271ae;
}
/* Specify class=linenums on a pre to get line numbering */
ol.linenums {
margin-top: 0;
margin-bottom: 0;
}

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