diff options
Diffstat (limited to 'packages/testnet-faucets/src/ts/request_queue.ts')
-rw-r--r-- | packages/testnet-faucets/src/ts/request_queue.ts | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/packages/testnet-faucets/src/ts/request_queue.ts b/packages/testnet-faucets/src/ts/request_queue.ts deleted file mode 100644 index 718f8be0c..000000000 --- a/packages/testnet-faucets/src/ts/request_queue.ts +++ /dev/null @@ -1,56 +0,0 @@ -import * as _ from 'lodash'; -import * as timers from 'timers'; - -// HACK: web3 leaks XMLHttpRequest into the global scope and causes requests to hang -// because they are using the wrong XHR package. -// Filed issue: https://github.com/ethereum/web3.js/issues/844 -// tslint:disable-next-line:ordered-imports -import * as Web3 from 'web3'; - -const MAX_QUEUE_SIZE = 500; -const DEFAULT_QUEUE_INTERVAL_MS = 1000; - -export class RequestQueue { - protected _queueIntervalMs: number; - protected _queue: string[]; - protected _queueIntervalId?: NodeJS.Timer; - protected _web3: Web3; - constructor(web3: any) { - this._queueIntervalMs = DEFAULT_QUEUE_INTERVAL_MS; - this._queue = []; - this._web3 = web3; - this._start(); - } - public add(recipientAddress: string): boolean { - if (this.isFull()) { - return false; - } - this._queue.push(recipientAddress); - return true; - } - public size(): number { - return this._queue.length; - } - public isFull(): boolean { - return this.size() >= MAX_QUEUE_SIZE; - } - protected _start() { - this._queueIntervalId = timers.setInterval(() => { - const recipientAddress = this._queue.shift(); - if (_.isUndefined(recipientAddress)) { - return; - } - // tslint:disable-next-line:no-floating-promises - this._processNextRequestFireAndForgetAsync(recipientAddress); - }, this._queueIntervalMs); - } - protected _stop() { - if (!_.isUndefined(this._queueIntervalId)) { - clearInterval(this._queueIntervalId); - } - } - // tslint:disable-next-line:prefer-function-over-method - protected async _processNextRequestFireAndForgetAsync(recipientAddress: string) { - throw new Error('Expected processNextRequestFireAndForgetAsync to be implemented by a subclass'); - } -} |