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 { RelayerRegistrySource } from './data_sources/relayer-registry'; import { Web3Source } from './data_sources/web3'; import { Block } from './entities/Block'; import { ExchangeFillEvent } from './entities/ExchangeFillEvent'; import { Relayer } from './entities/Relayer'; import { Transaction } from './entities/Transaction'; import { deployConfig } from './ormconfig'; import { parseExchangeEvents } from './parsers/events'; import { parseRelayers } from './parsers/relayer_registry'; import { parseBlock, parseTransaction } from './parsers/web3'; const EXCHANGE_START_BLOCK = 6271590; // Block number when the Exchange contract was deployed to mainnet. const RELAYER_REGISTRY_URL = 'https://raw.githubusercontent.com/0xProject/0x-relayer-registry/master/relayers.json'; let connection: Connection; (async () => { connection = await createConnection(deployConfig); const provider = web3Factory.getRpcProvider({ rpcUrl: 'https://mainnet.infura.io', }); // await getExchangeEventsAsync(provider); // await getBlockAsync(provider); // await getTransactionAsync(provider); await getRelayers(RELAYER_REGISTRY_URL); process.exit(0); })(); async function getExchangeEventsAsync(provider: Web3ProviderEngine): Promise { 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 { 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 { 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.'); } async function getRelayers(url: string): Promise { console.log('Getting relayer info...'); const relayerRepository = connection.getRepository(Relayer); const relayerSource = new RelayerRegistrySource(RELAYER_REGISTRY_URL); const relayersResp = await relayerSource.getRelayerInfoAsync(); const relayers = parseRelayers(relayersResp); console.log('Saving relayer info...'); // for (const relayer of relayers) { await relayerRepository.save(relayers); // } console.log('Done saving relayers.'); }