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authorFabio Berger <me@fabioberger.com>2018-01-30 21:00:35 +0800
committerFabio Berger <me@fabioberger.com>2018-01-30 21:00:35 +0800
commit69151c06e42fd588506db3aa62b95df5b4399607 (patch)
tree878532483594627a5283f784ced0a2c0cfc68d59 /packages/testnet-faucets/src/ts/zrx_request_queue.ts
parent86cc011212088801a778d947ae925cc0b1ddadf8 (diff)
parent2e3c02887efc24de35ce82b3662d9c47a0056a8c (diff)
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Merge branch 'development' into feature/portal-ledger-support
* development: Publish Add PR number Add config file specifically in prettier command and fix files Fix prettier Fix prettier Add shouldAddPersonalMessagePrefix param to signOrderHashAsync instead of trying to infer whether to add it or not from the nodeVersion Publish Move @0xproject/types to dependencies Updated web3-typescript-typings changelog Fixed getTransactionReceipt not returning null Run prettier Update changelog Add Rinkeby addresses to artifacts Fix bad merge on package.json Respond to GH comments and add /info endpoint Change package name to @0xproject/testnet-faucets Implement testnet faucets for any testnet available via infura Rename to testnet-faucets Add to the Pull Request Template Create an ISSUE TEMPLATE
Diffstat (limited to 'packages/testnet-faucets/src/ts/zrx_request_queue.ts')
-rw-r--r--packages/testnet-faucets/src/ts/zrx_request_queue.ts46
1 files changed, 46 insertions, 0 deletions
diff --git a/packages/testnet-faucets/src/ts/zrx_request_queue.ts b/packages/testnet-faucets/src/ts/zrx_request_queue.ts
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+++ b/packages/testnet-faucets/src/ts/zrx_request_queue.ts
@@ -0,0 +1,46 @@
+import { ZeroEx } from '0x.js';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+
+import { configs } from './configs';
+import { errorReporter } from './error_reporter';
+import { RequestQueue } from './request_queue';
+import { utils } from './utils';
+
+// 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 DISPENSE_AMOUNT_ZRX = new BigNumber(0.1);
+const QUEUE_INTERVAL_MS = 5000;
+
+export class ZRXRequestQueue extends RequestQueue {
+ private _zeroEx: ZeroEx;
+ constructor(web3: Web3, networkId: number) {
+ super(web3);
+ this.queueIntervalMs = QUEUE_INTERVAL_MS;
+ const zeroExConfig = {
+ networkId,
+ };
+ this._zeroEx = new ZeroEx(web3.currentProvider, zeroExConfig);
+ }
+ protected async processNextRequestFireAndForgetAsync(recipientAddress: string) {
+ utils.consoleLog(`Processing ZRX ${recipientAddress}`);
+ const baseUnitAmount = ZeroEx.toBaseUnitAmount(DISPENSE_AMOUNT_ZRX, 18);
+ try {
+ const zrxTokenAddress = this._zeroEx.exchange.getZRXTokenAddress();
+ const txHash = await this._zeroEx.token.transferAsync(
+ zrxTokenAddress,
+ configs.DISPENSER_ADDRESS,
+ recipientAddress,
+ baseUnitAmount,
+ );
+ utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ZRX} ZRX to ${recipientAddress} tx: ${txHash}`);
+ } catch (err) {
+ utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`);
+ await errorReporter.reportAsync(err);
+ }
+ }
+}