blob: ad0e4c68f5412082eeff12a967654173d451af5f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
import { web3Factory } from '@0x/dev-utils';
import { Web3ProviderEngine } from '@0x/subproviders';
import 'reflect-metadata';
import { Connection, createConnection } from 'typeorm';
import { ExchangeEventsSource } from './data_sources/contract-wrappers/exchange_events';
import { Web3Source } from './data_sources/web3';
import { Block } from './entities/Block';
import { ExchangeFillEvent } from './entities/ExchangeFillEvent';
import { Transaction } from './entities/Transaction';
import { testConfig } from './ormconfig';
import { parseExchangeEvents } from './parsers/events';
import { parseBlock, parseTransaction } from './parsers/web3';
const EXCHANGE_START_BLOCK = 6271590; // Block number when the Exchange contract was deployed to mainnet.
let connection: Connection;
(async () => {
connection = await createConnection(testConfig);
const provider = web3Factory.getRpcProvider({
rpcUrl: 'https://mainnet.infura.io',
});
await getExchangeEventsAsync(provider);
await getBlockAsync(provider);
await getTransactionAsync(provider);
console.log('Exiting process');
process.exit(0);
})();
async function getExchangeEventsAsync(provider: Web3ProviderEngine): Promise<void> {
console.log('Getting event logs...');
const eventsRepository = connection.getRepository(ExchangeFillEvent);
const exchangeEvents = new ExchangeEventsSource(provider, 1);
const eventLogs = await exchangeEvents.getFillEventsAsync(EXCHANGE_START_BLOCK, EXCHANGE_START_BLOCK + 100000);
console.log('Parsing events...');
const events = parseExchangeEvents(eventLogs);
console.log(`Retrieved and parsed ${events.length} total events.`);
console.log('Saving events...');
for (const event of events) {
await eventsRepository.save(event);
}
console.log('Saved events.');
}
async function getBlockAsync(provider: Web3ProviderEngine): Promise<void> {
console.log('Getting block info...');
const blocksRepository = connection.getRepository(Block);
const web3Source = new Web3Source(provider);
const rawBlock = await web3Source.getBlockInfoAsync(EXCHANGE_START_BLOCK);
const block = parseBlock(rawBlock);
console.log('Saving block info...');
await blocksRepository.save(block);
console.log('Done saving block.');
}
async function getTransactionAsync(provider: Web3ProviderEngine): Promise<void> {
console.log('Getting tx info...');
const txsRepository = connection.getRepository(Transaction);
const web3Source = new Web3Source(provider);
const rawTx = await web3Source.getTransactionInfoAsync(
'0x6dd106d002873746072fc5e496dd0fb2541b68c77bcf9184ae19a42fd33657fe',
);
const tx = parseTransaction(rawTx);
console.log('Saving tx info...');
await txsRepository.save(tx);
console.log('Done saving tx.');
}
|
