diff options
Diffstat (limited to 'packages/0x.js/src/order_watcher/event_watcher.ts')
-rw-r--r-- | packages/0x.js/src/order_watcher/event_watcher.ts | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts index 197dfae65..fc0b9264c 100644 --- a/packages/0x.js/src/order_watcher/event_watcher.ts +++ b/packages/0x.js/src/order_watcher/event_watcher.ts @@ -1,14 +1,10 @@ -import {intervalUtils} from '@0xproject/utils'; -import {Web3Wrapper} from '@0xproject/web3-wrapper'; +import { intervalUtils } from '@0xproject/utils'; +import { Web3Wrapper } from '@0xproject/web3-wrapper'; import * as _ from 'lodash'; import * as Web3 from 'web3'; -import { - BlockParamLiteral, - EventWatcherCallback, - ZeroExError, -} from '../types'; -import {assert} from '../utils/assert'; +import { BlockParamLiteral, EventWatcherCallback, ZeroExError } from '../types'; +import { assert } from '../utils/assert'; const DEFAULT_EVENT_POLLING_INTERVAL_MS = 200; @@ -26,11 +22,11 @@ export class EventWatcher { private _pollingIntervalMs: number; private _intervalIdIfExists?: NodeJS.Timer; private _lastEvents: Web3.LogEntry[] = []; - constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined|number) { + constructor(web3Wrapper: Web3Wrapper, pollingIntervalIfExistsMs: undefined | number) { this._web3Wrapper = web3Wrapper; - this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs) ? - DEFAULT_EVENT_POLLING_INTERVAL_MS : - pollingIntervalIfExistsMs; + this._pollingIntervalMs = _.isUndefined(pollingIntervalIfExistsMs) + ? DEFAULT_EVENT_POLLING_INTERVAL_MS + : pollingIntervalIfExistsMs; } public subscribe(callback: EventWatcherCallback): void { assert.isFunction('callback', callback); @@ -38,7 +34,8 @@ export class EventWatcher { throw new Error(ZeroExError.SubscriptionAlreadyPresent); } this._intervalIdIfExists = intervalUtils.setAsyncExcludingInterval( - this._pollForBlockchainEventsAsync.bind(this, callback), this._pollingIntervalMs, + this._pollForBlockchainEventsAsync.bind(this, callback), + this._pollingIntervalMs, ); } public unsubscribe(): void { @@ -71,7 +68,9 @@ export class EventWatcher { return events; } private async _emitDifferencesAsync( - logs: Web3.LogEntry[], logEventState: LogEventState, callback: EventWatcherCallback, + logs: Web3.LogEntry[], + logEventState: LogEventState, + callback: EventWatcherCallback, ): Promise<void> { for (const log of logs) { const logEvent = { |