A Metamask fork with Infura removed and default networks editable
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
ciphermask/app/scripts/controllers/network.js

137 lines
4.3 KiB

const assert = require('assert')
const EventEmitter = require('events')
const createMetamaskProvider = require('web3-provider-engine/zero.js')
const ObservableStore = require('obs-store')
8 years ago
const ComposedStore = require('obs-store/lib/composed')
const extend = require('xtend')
const EthQuery = require('eth-query')
const createEventEmitterProxy = require('../lib/events-proxy.js')
const RPC_ADDRESS_LIST = require('../config.js').network
8 years ago
const DEFAULT_RPC = RPC_ADDRESS_LIST['rinkeby']
module.exports = class NetworkController extends EventEmitter {
8 years ago
constructor (config) {
super()
8 years ago
config.provider.rpcTarget = this.getRpcAddressForType(config.provider.type, config.provider)
this.networkStore = new ObservableStore('loading')
8 years ago
this.providerStore = new ObservableStore(config.provider)
this.store = new ComposedStore({ provider: this.providerStore, network: this.networkStore })
this._proxy = createEventEmitterProxy()
8 years ago
this.on('networkDidChange', this.lookupNetwork)
}
initializeProvider (_providerParams) {
this._baseProviderParams = _providerParams
const rpcUrl = this.getCurrentRpcAddress()
this._configureStandardProvider({ rpcUrl })
this._proxy.on('block', this._logBlock.bind(this))
this._proxy.on('error', this.verifyNetwork.bind(this))
this.ethQuery = new EthQuery(this._proxy)
this.lookupNetwork()
return this._proxy
}
verifyNetwork () {
// Check network when restoring connectivity:
if (this.isNetworkLoading()) this.lookupNetwork()
}
getNetworkState () {
8 years ago
return this.networkStore.getState()
}
setNetworkState (network) {
8 years ago
return this.networkStore.putState(network)
}
isNetworkLoading () {
return this.getNetworkState() === 'loading'
}
8 years ago
lookupNetwork () {
// Prevent firing when provider is not defined.
if (!this.ethQuery || !this.ethQuery.sendAsync) {
return log.warn('NetworkController - lookupNetwork aborted due to missing ethQuery')
}
this.ethQuery.sendAsync({ method: 'net_version' }, (err, network) => {
if (err) return this.setNetworkState('loading')
log.info('web3.getNetwork returned ' + network)
this.setNetworkState(network)
})
}
setRpcTarget (rpcUrl) {
this.providerStore.updateState({
8 years ago
type: 'rpc',
rpcTarget: rpcUrl,
})
this._switchNetwork({ rpcUrl })
}
getCurrentRpcAddress () {
8 years ago
const provider = this.getProviderConfig()
if (!provider) return null
return this.getRpcAddressForType(provider.type)
}
async setProviderType (type) {
assert(type !== 'rpc', `NetworkController.setProviderType - cannot connect by type "rpc"`)
// skip if type already matches
8 years ago
if (type === this.getProviderConfig().type) return
const rpcTarget = this.getRpcAddressForType(type)
assert(rpcTarget, `NetworkController - unknown rpc address for type "${type}"`)
this.providerStore.updateState({ type, rpcTarget })
this._switchNetwork({ rpcUrl: rpcTarget })
}
8 years ago
getProviderConfig () {
return this.providerStore.getState()
}
8 years ago
getRpcAddressForType (type, provider = this.getProviderConfig()) {
if (RPC_ADDRESS_LIST[type]) return RPC_ADDRESS_LIST[type]
return provider && provider.rpcTarget ? provider.rpcTarget : DEFAULT_RPC
}
//
// Private
//
_switchNetwork (providerParams) {
this.setNetworkState('loading')
this._configureStandardProvider(providerParams)
this.emit('networkDidChange')
}
Fix lint warnings Fixed warnings: ```md app/scripts/controllers/computed-balances.js + 35:27 warning Missing space before function parentheses space-before-function-paren + 41:14 warning 'address' is never reassigned. Use 'const' instead prefer-const + 61:9 warning 'updater' is never reassigned. Use 'const' instead prefer-const + 68:11 warning 'newState' is never reassigned. Use 'const' instead prefer-const app/scripts/controllers/network.js + 104:29 warning Missing space before function parentheses space-before-function-paren app/scripts/lib/createLoggerMiddleware.js + 4:32 warning Missing space before function parentheses space-before-function-paren + 15:2 warning Newline required at end of file but not found eol-last app/scripts/lib/createOriginMiddleware.js + 4:32 warning Missing space before function parentheses space-before-function-paren + 9:2 warning Newline required at end of file but not found eol-last app/scripts/lib/createProviderMiddleware.js + 5:34 warning Missing space before function parentheses space-before-function-paren + 13:2 warning Newline required at end of file but not found eol-last app/scripts/lib/events-proxy.js + 1:50 warning Missing space before function parentheses space-before-function-paren + 31:2 warning Newline required at end of file but not found eol-last app/scripts/lib/nodeify.js + 2:22 warning Missing space before function parentheses space-before-function-paren + 2:24 warning Missing space before opening brace space-before-blocks + 5:18 warning Missing space before function parentheses space-before-function-paren + 5:20 warning Missing space before opening brace space-before-blocks app/scripts/lib/pending-balance-calculator.js + 16:19 warning Missing space before function parentheses space-before-function-paren app/scripts/lib/pending-tx-tracker.js + 85:11 warning '||' should be placed at the end of the line operator-linebreak + 87:11 warning '||' should be placed at the end of the line operator-linebreak + 88:11 warning '||' should be placed at the end of the line operator-linebreak + 90:11 warning '||' should be placed at the end of the line operator-linebreak + 91:11 warning '||' should be placed at the end of the line operator-linebreak app/scripts/lib/port-stream.js + 3:22 warning Missing space before function parentheses space-before-function-paren + 3:24 warning Missing space before opening brace space-before-blocks app/scripts/lib/tx-gas-utils.js + 84:2 warning Newline required at end of file but not found eol-last app/scripts/lib/tx-state-history-helper.js + 12:37 warning Missing space before function parentheses space-before-function-paren + 23:30 warning Missing space before function parentheses space-before-function-paren + 30:23 warning Missing space before function parentheses space-before-function-paren + 35:28 warning Missing space before function parentheses space-before-function-paren + 41:2 warning Newline required at end of file but not found eol-last app/scripts/lib/tx-state-manager.js + 94:13 warning 'value' is never reassigned. Use 'const' instead prefer-const ui/app/reducers.js + 45:7 warning 'state' is never reassigned. Use 'const' instead prefer-const + 53:7 warning 'stateString' is never reassigned. Use 'const' instead prefer-const ui/lib/tx-helper.js + 27:2 warning Newline required at end of file but not found eol-last ui/app/components/account-dropdowns.js + 163:1 warning More than 2 blank lines not allowed no-multiple-empty-lines ui/app/components/menu-droppo.js + 22:7 warning 'style' is never reassigned. Use 'const' instead prefer-const ui/app/components/shapeshift-form.js + 135:11 warning '&&' should be placed at the end of the line operator-linebreak ui/app/components/typed-message-renderer.js + 35:25 warning Missing space before function parentheses space-before-function-paren + 42:2 warning Newline required at end of file but not found eol-last mascara/server/index.js + 11:42 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 12:36 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 13:33 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 14:40 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 20:29 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 21:29 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat + 26:40 warning Use path.join() or path.resolve() instead of + to create paths no-path-concat ```
7 years ago
_configureStandardProvider (_providerParams) {
const providerParams = extend(this._baseProviderParams, _providerParams)
const provider = createMetamaskProvider(providerParams)
this._setProvider(provider)
}
_setProvider (provider) {
// collect old block tracker events
const oldProvider = this._provider
let blockTrackerHandlers
if (oldProvider) {
// capture old block handlers
blockTrackerHandlers = oldProvider._blockTracker.proxyEventHandlers
// tear down
oldProvider.removeAllListeners()
oldProvider.stop()
}
// override block tracler
provider._blockTracker = createEventEmitterProxy(provider._blockTracker, blockTrackerHandlers)
// set as new provider
this._provider = provider
this._proxy.setTarget(provider)
}
_logBlock (block) {
log.info(`BLOCK CHANGED: #${block.number.toString('hex')} 0x${block.hash.toString('hex')}`)
this.verifyNetwork()
}
}