b4cdb14b9b
* Refactor event scraping and add support for scraping ERC20 approval events * Add tests for data_sources/contract-wrappers/utils
55 lines
2.7 KiB
TypeScript
55 lines
2.7 KiB
TypeScript
import { ERC20TokenApprovalEventArgs } from '@0x/contract-wrappers';
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import { BigNumber } from '@0x/utils';
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import * as chai from 'chai';
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import { LogWithDecodedArgs } from 'ethereum-types';
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import 'mocha';
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import { ERC20ApprovalEvent } from '../../../src/entities';
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import { _convertToERC20ApprovalEvent } from '../../../src/parsers/events/erc20_events';
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import { _convertToExchangeFillEvent } from '../../../src/parsers/events/exchange_events';
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import { chaiSetup } from '../../utils/chai_setup';
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chaiSetup.configure();
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const expect = chai.expect;
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// tslint:disable:custom-no-magic-numbers
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describe('erc20_events', () => {
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describe('_convertToERC20ApprovalEvent', () => {
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it('converts LogWithDecodedArgs to ERC20ApprovalEvent entity', () => {
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const input: LogWithDecodedArgs<ERC20TokenApprovalEventArgs> = {
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address: '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
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blockHash: '0xd2d7aafaa7102aec0bca8ef026d5a85133e87892334c46ee1e92e42912991c9b',
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blockNumber: 6281577,
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data: '0x000000000000000000000000000000000000000000000002b9cba5ee21ad3df9',
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logIndex: 43,
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topics: [
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'0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925',
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'0x0000000000000000000000000b65c5f6f3a05d6be5588a72b603360773b3fe04',
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'0x000000000000000000000000448a5065aebb8e423f0896e6c5d525c040f59af3',
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],
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transactionHash: '0xcb46b19c786376a0a0140d51e3e606a4c4f926d8ca5434e96d2f69d04d8d9c7f',
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transactionIndex: 103,
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event: 'Approval',
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args: {
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_owner: '0x0b65c5f6f3a05d6be5588a72b603360773b3fe04',
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_spender: '0x448a5065aebb8e423f0896e6c5d525c040f59af3',
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_value: new BigNumber('50281464906893835769'),
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},
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};
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const expected = new ERC20ApprovalEvent();
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expected.tokenAddress = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
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expected.blockNumber = 6281577;
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expected.rawData = '0x000000000000000000000000000000000000000000000002b9cba5ee21ad3df9';
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expected.logIndex = 43;
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expected.transactionHash = '0xcb46b19c786376a0a0140d51e3e606a4c4f926d8ca5434e96d2f69d04d8d9c7f';
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expected.ownerAddress = '0x0b65c5f6f3a05d6be5588a72b603360773b3fe04';
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expected.spenderAddress = '0x448a5065aebb8e423f0896e6c5d525c040f59af3';
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expected.amount = new BigNumber('50281464906893835769');
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const actual = _convertToERC20ApprovalEvent(input);
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expect(actual).deep.equal(expected);
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});
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});
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});
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