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@ -1,7 +1,6 @@ |
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const assert = require('assert') |
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const EventEmitter = require('events') |
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const createMetamaskProvider = require('web3-provider-engine/zero.js') |
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const createInfuraProvider = require('eth-json-rpc-infura/src/createProvider') |
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const ObservableStore = require('obs-store') |
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const ComposedStore = require('obs-store/lib/composed') |
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const extend = require('xtend') |
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@ -9,7 +8,6 @@ const EthQuery = require('eth-query') |
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const createEventEmitterProxy = require('../lib/events-proxy.js') |
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const RPC_ADDRESS_LIST = require('../config.js').network |
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const DEFAULT_RPC = RPC_ADDRESS_LIST['rinkeby'] |
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const INFURA_PROVIDER_TYPES = ['ropsten', 'rinkeby', 'kovan', 'mainnet'] |
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module.exports = class NetworkController extends EventEmitter { |
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@ -26,13 +24,8 @@ module.exports = class NetworkController extends EventEmitter { |
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initializeProvider (_providerParams) { |
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this._baseProviderParams = _providerParams |
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const { type, rpcTarget } = this.providerStore.getState() |
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// map rpcTarget to rpcUrl
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const opts = { |
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type, |
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rpcUrl: rpcTarget, |
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} |
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this._configureProvider(opts) |
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const rpcUrl = this.getCurrentRpcAddress() |
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this._configureStandardProvider({ rpcUrl }) |
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this._proxy.on('block', this._logBlock.bind(this)) |
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this._proxy.on('error', this.verifyNetwork.bind(this)) |
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this.ethQuery = new EthQuery(this._proxy) |
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@ -90,7 +83,7 @@ module.exports = class NetworkController extends EventEmitter { |
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const rpcTarget = this.getRpcAddressForType(type) |
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assert(rpcTarget, `NetworkController - unknown rpc address for type "${type}"`) |
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this.providerStore.updateState({ type, rpcTarget }) |
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this._switchNetwork({ type }) |
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this._switchNetwork({ rpcUrl: rpcTarget }) |
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} |
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getProviderConfig () { |
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@ -106,50 +99,14 @@ module.exports = class NetworkController extends EventEmitter { |
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// Private
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//
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_switchNetwork (opts) { |
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_switchNetwork (providerParams) { |
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this.setNetworkState('loading') |
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this._configureProvider(opts) |
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this._configureStandardProvider(providerParams) |
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this.emit('networkDidChange') |
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} |
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_configureProvider (opts) { |
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// type-based rpc endpoints
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const { type } = opts |
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if (type) { |
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// type-based infura rpc endpoints
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const isInfura = INFURA_PROVIDER_TYPES.includes(type) |
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opts.rpcUrl = this.getRpcAddressForType(type) |
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if (isInfura) { |
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this._configureInfuraProvider(opts) |
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// other type-based rpc endpoints
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} else { |
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this._configureStandardProvider(opts) |
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} |
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// url-based rpc endpoints
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} else { |
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this._configureStandardProvider(opts) |
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} |
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} |
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_configureInfuraProvider (opts) { |
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console.log('_configureInfuraProvider', opts) |
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const blockTrackerProvider = createInfuraProvider({ |
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network: opts.type, |
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}) |
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const providerParams = extend(this._baseProviderParams, { |
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rpcUrl: opts.rpcUrl, |
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engineParams: { |
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pollingInterval: 8000, |
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blockTrackerProvider, |
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}, |
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}) |
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const provider = createMetamaskProvider(providerParams) |
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this._setProvider(provider) |
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} |
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_configureStandardProvider ({ rpcUrl }) { |
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const providerParams = extend(this._baseProviderParams, { |
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rpcUrl, |
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_configureStandardProvider (_providerParams) { |
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const providerParams = extend(this._baseProviderParams, _providerParams, { |
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engineParams: { |
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pollingInterval: 8000, |
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}, |
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