diff options
Diffstat (limited to 'packages/pipeline/src/index.ts')
-rw-r--r-- | packages/pipeline/src/index.ts | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/packages/pipeline/src/index.ts b/packages/pipeline/src/index.ts new file mode 100644 index 000000000..ad0e4c68f --- /dev/null +++ b/packages/pipeline/src/index.ts @@ -0,0 +1,68 @@ +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.'); +} |