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Diffstat (limited to 'library/sw-core.js')
-rw-r--r-- | library/sw-core.js | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/library/sw-core.js b/library/sw-core.js new file mode 100644 index 000000000..1d31b2acd --- /dev/null +++ b/library/sw-core.js @@ -0,0 +1,163 @@ +global.window = global +const asyncQ = require('async-q') +const pipe = require('pump') + +const SwGlobalListener = require('sw-stream/lib/sw-global-listener.js') +const connectionListener = new SwGlobalListener(self) +const setupMultiplex = require('../app/scripts/lib/stream-utils.js').setupMultiplex +const PortStream = require('../app/scripts/lib/port-stream.js') +// const notification = require('../app/scripts/lib/notifications.js') + +const DbController = require('./controllers/index-db-controller') + +const MetamaskController = require('../app/scripts/metamask-controller') +const extension = {} //require('../app/scripts/lib/extension') +// const LocalStorageStore = require('obs-store/lib/localStorage') +const storeTransform = require('obs-store/lib/transform') +const Migrator = require('../app/scripts/lib/migrator/') +const migrations = require('../app/scripts/migrations/') +const firstTimeState = require('../app/scripts/first-time-state') + +const STORAGE_KEY = 'metamask-config' +const METAMASK_DEBUG = 'GULP_METAMASK_DEBUG' +let popupIsOpen = false + +const log = require('loglevel') +global.log = log +log.setDefaultLevel(METAMASK_DEBUG ? 'debug' : 'warn') + +self.addEventListener('install', function(event) { + event.waitUntil(self.skipWaiting()) +}) +self.addEventListener('activate', function(event) { + event.waitUntil(self.clients.claim()) +}) + +console.log('inside:open') + + +// // state persistence +let diskStore +const dbController = new DbController({ + key: STORAGE_KEY, + global: self, + version: 2, +}) +asyncQ.waterfall([ + () => loadStateFromPersistence(), + (initState) => setupController(initState), +]) +.then(() => console.log('MetaMask initialization complete.')) +.catch((err) => { + console.log('WHILE SETTING UP:') + console.error(err) +}) + +// initialization flow + +// +// State and Persistence +// +function loadStateFromPersistence() { + // migrations + let migrator = new Migrator({ migrations }) + const initialState = migrator.generateInitialState(firstTimeState) + dbController.initialState = initialState + return dbController.open() + .then((versionedData) => migrator.migrateData(versionedData)) + .then((versionedData) => { + dbController.put(versionedData) + return Promise.resolve(versionedData) + }) + .then((versionedData) => Promise.resolve(versionedData.data)) +} + +function setupController (initState, client) { + + // + // MetaMask Controller + // + + const controller = new MetamaskController({ + // User confirmation callbacks: + showUnconfirmedMessage: triggerUi, + unlockAccountMessage: triggerUi, + showUnapprovedTx: triggerUi, + // initial state + initState, + }) + global.metamaskController = controller + + // setup state persistence + // pipe( + // controller.store, + // storeTransform(versionifyData), + // diskStore + // ) + controller.store.subscribe((state) => { + versionifyData(state) + .then((versionedData) => dbController.put(versionedData)) + .catch((err) => {console.error(err)}) + }) + function versionifyData(state) { + return dbController.get() + .then((rawData) => { + return Promise.resolve({ + data: state, + meta: rawData.meta, + })} + ) + } + + // + // connect to other contexts + // + /* + need to write a service worker stream for this + */ + connectionListener.on('remote', (portStream, messageEvent) => { + connectRemote(portStream, messageEvent.origin) + }) + + function connectRemote (connectionStream, originDomain) { + var isMetaMaskInternalProcess = (originDomain === 'http://localhost:9001') + if (isMetaMaskInternalProcess) { + // communication with popup + controller.setupTrustedCommunication(connectionStream, 'MetaMask') + popupIsOpen = true + } else { + // communication with page + setupUntrustedCommunication(connectionStream, originDomain) + } + } + + function setupUntrustedCommunication (connectionStream, originDomain) { + // setup multiplexing + var mx = setupMultiplex(connectionStream) + // connect features + controller.setupProviderConnection(mx.createStream('provider'), originDomain) + controller.setupPublicConfig(mx.createStream('publicConfig')) + } + + function setupTrustedCommunication (connectionStream, originDomain) { + // setup multiplexing + var mx = setupMultiplex(connectionStream) + // connect features + controller.setupProviderConnection(mx.createStream('provider'), originDomain) + } + // + // User Interface setup + // + return Promise.resolve() + +} + +// // // +// // // Etc... +// // // + +// // // popup trigger + +/*send a message to the client that has focus and tell it to open a window*/ +function triggerUi () { +} |