Merge pull request #375 from 0xProject/feature/testnet-faucets/queue-by-network

Organize async task queues by network

1 files changed, 44 insertions, 0 deletions

diff --git a/packages/testnet-faucets/src/ts/dispense_asset_tasks.ts b/packages/testnet-faucets/src/ts/dispense_asset_tasks.ts
new file mode 100644
index 000000000..9aa47463c
--- /dev/null
+++ b/packages/testnet-faucets/src/ts/dispense_asset_tasks.ts
@@ -0,0 +1,44 @@
+import { ZeroEx } from '0x.js';
+import { BigNumber, promisify } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as Web3 from 'web3';
+
+import { configs } from './configs';
+import { errorReporter } from './error_reporter';
+import { utils } from './utils';
+
+const DISPENSE_AMOUNT_ETHER = 0.1;
+const DISPENSE_AMOUNT_TOKEN = 0.1;
+
+export const dispenseAssetTasks = {
+    dispenseEtherTask(recipientAddress: string, web3: Web3) {
+        return async () => {
+            utils.consoleLog(`Processing ETH ${recipientAddress}`);
+            const sendTransactionAsync = promisify(web3.eth.sendTransaction);
+            const txHash = await sendTransactionAsync({
+                from: configs.DISPENSER_ADDRESS,
+                to: recipientAddress,
+                value: web3.toWei(DISPENSE_AMOUNT_ETHER, 'ether'),
+            });
+            utils.consoleLog(`Sent ${DISPENSE_AMOUNT_ETHER} ETH to ${recipientAddress} tx: ${txHash}`);
+        };
+    },
+    dispenseTokenTask(recipientAddress: string, tokenSymbol: string, zeroEx: ZeroEx) {
+        return async () => {
+            utils.consoleLog(`Processing ${tokenSymbol} ${recipientAddress}`);
+            const amountToDispense = new BigNumber(DISPENSE_AMOUNT_TOKEN);
+            const token = await zeroEx.tokenRegistry.getTokenBySymbolIfExistsAsync(tokenSymbol);
+            if (_.isUndefined(token)) {
+                throw new Error(`Unsupported asset type: ${tokenSymbol}`);
+            }
+            const baseUnitAmount = ZeroEx.toBaseUnitAmount(amountToDispense, token.decimals);
+            const txHash = await zeroEx.token.transferAsync(
+                token.address,
+                configs.DISPENSER_ADDRESS,
+                recipientAddress,
+                baseUnitAmount,
+            );
+            utils.consoleLog(`Sent ${amountToDispense} ZRX to ${recipientAddress} tx: ${txHash}`);
+        };
+    },
+};