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author | Brandon Millman <brandon.millman@gmail.com> | 2018-01-24 02:10:43 +0800 |
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committer | Brandon Millman <brandon.millman@gmail.com> | 2018-01-24 02:10:43 +0800 |
commit | d965fdb11dfba5631c1f98ad3e309876c199999a (patch) | |
tree | ec10b7341707cfcc6841d1b5fcbf0d3852536a79 /packages/kovan-faucets/src/ts/handler.ts | |
parent | 8a858501f2b633f47cec9576b25e6f99911bbc09 (diff) | |
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Rename to testnet-faucets
Diffstat (limited to 'packages/kovan-faucets/src/ts/handler.ts')
-rw-r--r-- | packages/kovan-faucets/src/ts/handler.ts | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/packages/kovan-faucets/src/ts/handler.ts b/packages/kovan-faucets/src/ts/handler.ts deleted file mode 100644 index 4bf776264..000000000 --- a/packages/kovan-faucets/src/ts/handler.ts +++ /dev/null @@ -1,93 +0,0 @@ -import * as express from 'express'; -import * as _ from 'lodash'; -import ProviderEngine = require('web3-provider-engine'); -import HookedWalletSubprovider = require('web3-provider-engine/subproviders/hooked-wallet'); -import NonceSubprovider = require('web3-provider-engine/subproviders/nonce-tracker'); -import RpcSubprovider = require('web3-provider-engine/subproviders/rpc'); - -import { configs } from './configs'; -import { EtherRequestQueue } from './ether_request_queue'; -import { idManagement } from './id_management'; -import { utils } from './utils'; -import { ZRXRequestQueue } from './zrx_request_queue'; - -// 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'; - -export class Handler { - private _etherRequestQueue: EtherRequestQueue; - private _zrxRequestQueue: ZRXRequestQueue; - private _web3: Web3; - constructor() { - // Setup provider engine to talk with RPC node - const providerObj = this._createProviderEngine(configs.RPC_URL); - this._web3 = new Web3(providerObj); - - this._etherRequestQueue = new EtherRequestQueue(this._web3); - this._zrxRequestQueue = new ZRXRequestQueue(this._web3); - } - public dispenseEther(req: express.Request, res: express.Response) { - const recipientAddress = req.params.recipient; - if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) { - res.status(400).send('INVALID_REQUEST'); - return; - } - const lowerCaseRecipientAddress = recipientAddress.toLowerCase(); - const didAddToQueue = this._etherRequestQueue.add(lowerCaseRecipientAddress); - if (!didAddToQueue) { - res.status(503).send('QUEUE_IS_FULL'); - return; - } - utils.consoleLog(`Added ${lowerCaseRecipientAddress} to the ETH queue`); - res.status(200).end(); - } - public dispenseZRX(req: express.Request, res: express.Response) { - const recipientAddress = req.params.recipient; - if (_.isUndefined(recipientAddress) || !this._isValidEthereumAddress(recipientAddress)) { - res.status(400).send('INVALID_REQUEST'); - return; - } - const lowerCaseRecipientAddress = recipientAddress.toLowerCase(); - const didAddToQueue = this._zrxRequestQueue.add(lowerCaseRecipientAddress); - if (!didAddToQueue) { - res.status(503).send('QUEUE_IS_FULL'); - return; - } - utils.consoleLog(`Added ${lowerCaseRecipientAddress} to the ZRX queue`); - res.status(200).end(); - } - public getQueueInfo(req: express.Request, res: express.Response) { - res.setHeader('Content-Type', 'application/json'); - const payload = JSON.stringify({ - ether: { - full: this._etherRequestQueue.isFull(), - size: this._etherRequestQueue.size(), - }, - zrx: { - full: this._zrxRequestQueue.isFull(), - size: this._zrxRequestQueue.size(), - }, - }); - res.status(200).send(payload); - } - // tslint:disable-next-line:prefer-function-over-method - private _createProviderEngine(rpcUrl: string) { - const engine = new ProviderEngine(); - engine.addProvider(new NonceSubprovider()); - engine.addProvider(new HookedWalletSubprovider(idManagement)); - engine.addProvider( - new RpcSubprovider({ - rpcUrl, - }), - ); - engine.start(); - return engine; - } - private _isValidEthereumAddress(address: string): boolean { - const lowercaseAddress = address.toLowerCase(); - return this._web3.isAddress(lowercaseAddress); - } -} |