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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);
try {
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}`);
} catch (err) {
utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`);
await errorReporter.reportAsync(err);
}
};
},
dispenseTokenTask(recipientAddress: string, tokenSymbol: string, zeroEx: ZeroEx) {
return async () => {
utils.consoleLog(`Processing ${tokenSymbol} ${recipientAddress}`);
const amountToDispense = new BigNumber(DISPENSE_AMOUNT_TOKEN);
try {
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}`);
} catch (err) {
utils.consoleLog(`Unexpected err: ${err} - ${JSON.stringify(err)}`);
await errorReporter.reportAsync(err);
}
};
},
};
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