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author | Alex Browne <stephenalexbrowne@gmail.com> | 2018-10-19 08:48:52 +0800 |
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committer | Alex Browne <stephenalexbrowne@gmail.com> | 2018-12-05 06:24:48 +0800 |
commit | af2546bc58e49b2f99bcd2c1b81ceebed6f7b6d9 (patch) | |
tree | 5035efcd57971d6b4c8859ab3a01b8e9e560ec1b /packages/pipeline/src/merge_v2_events.ts | |
parent | 3a19faa5ff8a66395c5eb8d1400338cefaa21187 (diff) | |
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Rename index.ts -> merge_v2_events
Diffstat (limited to 'packages/pipeline/src/merge_v2_events.ts')
-rw-r--r-- | packages/pipeline/src/merge_v2_events.ts | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/packages/pipeline/src/merge_v2_events.ts b/packages/pipeline/src/merge_v2_events.ts new file mode 100644 index 000000000..58646fc56 --- /dev/null +++ b/packages/pipeline/src/merge_v2_events.ts @@ -0,0 +1,78 @@ +import { web3Factory } from '@0x/dev-utils'; +import 'reflect-metadata'; +import { Connection, createConnection } from 'typeorm'; + +import { ExchangeEventsSource } from './data_sources/contract-wrappers/exchange_events'; +import { deployConfig } from './ormconfig'; +import { parseExchangeEvents } from './parsers/events'; +import { ExchangeFillEvent } from './entities/ExchangeFillEvent'; + +let connection: Connection; + +(async () => { + connection = await createConnection(deployConfig); + await getExchangeEventsAsync(); + await mergeExchangeEventsAsync(); + console.log('Exiting process'); + process.exit(0); +})(); + +// TODO(albrow): Separately: Errors do not appear to be handled correctly. If you use the +// wrong rpcUrl it just returns early with no error. +async function getExchangeEventsAsync(): Promise<void> { + console.log('Getting event logs...'); + const provider = web3Factory.getRpcProvider({ + rpcUrl: 'https://mainnet.infura.io', + }); + const eventsRepository = connection.getRepository(ExchangeFillEvent); + const exchangeEvents = new ExchangeEventsSource(provider, 1); + const eventLogs = await exchangeEvents.getFillEventsAsync(); + console.log('Parsing events...'); + const events = parseExchangeEvents(eventLogs); + console.log(`Retrieved and parsed ${events.length} total events.`); + console.log('Saving events...'); + eventsRepository.save(events); + console.log('Saved events.'); +} + +const insertEventsRawQuery = `INSERT INTO events_raw ( + event_type, + error_id, + order_hash, + maker, + maker_amount, + maker_fee, + maker_token, + taker, + taker_amount, + taker_fee, + taker_token, + txn_hash, + fee_recipient, + block_number, + log_index +) +( + SELECT + 'LogFill', + null, + "orderHash", + "makerAddress", + "makerAssetFilledAmount"::numeric(78), + "makerFeePaid"::numeric(78), + "makerTokenAddress", + "takerAddress", + "takerAssetFilledAmount"::numeric(78), + "takerFeePaid"::numeric(78), + "takerTokenAddress", + "transactionHash", + "feeRecipientAddress", + "blockNumber", + "logIndex" + FROM exchange_fill_event +) ON CONFLICT (order_hash, txn_hash, log_index) DO NOTHING`; + +async function mergeExchangeEventsAsync(): Promise<void> { + console.log('Merging results into events_raw...'); + await connection.query(insertEventsRawQuery); +} |