watcher-ts/packages/erc20-watcher/test/tasks/token-approve.ts
Ashwin Phatak 4f8f1d8cd7
Update code for log_cids change in vdb core (#243)
* Remove fields no longer present in schema.

* Refactor code to work with log_cids change in eth-server.

* Refactor process event to save events from logs.

* Use constants for erc20 event names.

* Implement watch blocks in erc20-watcher similar to uni-watcher.

* Moved common methods to util.

* Implement eventsInRange query in erc20-watcher.

* Filter unknown event in database query.

* Change dependencies version to be same in all packages.

Co-authored-by: nabarun <nabarun@deepstacksoft.com>
2021-09-21 16:43:55 +05:30

35 lines
1.3 KiB
TypeScript

//
// Copyright 2021 Vulcanize, Inc.
//
import { task, types } from 'hardhat/config';
import '@nomiclabs/hardhat-ethers';
import { ContractTransaction, BigNumber } from 'ethers';
const DEFAULT_APPROVE_AMOUNT = '1000000000000000000000000';
task('token-approve', 'Move tokens to recipient')
.addParam('token', 'Token contract address', undefined, types.string)
.addParam('spender', 'Spender address', undefined, types.string)
.addParam('amount', 'Token amount to transfer', DEFAULT_APPROVE_AMOUNT, types.string)
.setAction(async (args, hre) => {
const { token: tokenAddress, amount, spender } = args;
await hre.run('compile');
const Token = await hre.ethers.getContractFactory('GLDToken');
const token = Token.attach(tokenAddress);
const transaction: ContractTransaction = await token.approve(spender, BigNumber.from(amount));
const receipt = await transaction.wait();
if (receipt.events) {
const TransferEvent = receipt.events.find(el => el.event === 'Approval');
if (TransferEvent && TransferEvent.args) {
console.log('Approval Event');
console.log('owner:', TransferEvent.args.owner.toString());
console.log('spender:', TransferEvent.args.spender.toString());
console.log('value:', TransferEvent.args.value.toString());
}
}
});