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-rw-r--r--packages/pipeline/src/scripts/pull_missing_blocks.ts91
1 files changed, 0 insertions, 91 deletions
diff --git a/packages/pipeline/src/scripts/pull_missing_blocks.ts b/packages/pipeline/src/scripts/pull_missing_blocks.ts
deleted file mode 100644
index 345ea38fe..000000000
--- a/packages/pipeline/src/scripts/pull_missing_blocks.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-import { web3Factory } from '@0x/dev-utils';
-import { logUtils } from '@0x/utils';
-
-import * as Parallel from 'async-parallel';
-import R = require('ramda');
-import 'reflect-metadata';
-import { Connection, ConnectionOptions, createConnection, Repository } from 'typeorm';
-
-import { Web3Source } from '../data_sources/web3';
-import { Block } from '../entities';
-import * as ormConfig from '../ormconfig';
-import { parseBlock } from '../parsers/web3';
-import { handleError, INFURA_ROOT_URL } from '../utils';
-
-// Number of blocks to save at once.
-const BATCH_SAVE_SIZE = 1000;
-// Maximum number of requests to send at once.
-const MAX_CONCURRENCY = 20;
-// Maximum number of blocks to query for at once. This is also the maximum
-// number of blocks we will hold in memory prior to being saved to the database.
-const MAX_BLOCKS_PER_QUERY = 1000;
-
-let connection: Connection;
-
-const tablesWithMissingBlocks = [
- 'raw.exchange_fill_events',
- 'raw.exchange_cancel_events',
- 'raw.exchange_cancel_up_to_events',
- 'raw.erc20_approval_events',
-];
-
-(async () => {
- connection = await createConnection(ormConfig as ConnectionOptions);
- const provider = web3Factory.getRpcProvider({
- rpcUrl: INFURA_ROOT_URL,
- });
- const web3Source = new Web3Source(provider);
- for (const tableName of tablesWithMissingBlocks) {
- await getAllMissingBlocksAsync(web3Source, tableName);
- }
- process.exit(0);
-})().catch(handleError);
-
-interface MissingBlocksResponse {
- block_number: string;
-}
-
-async function getAllMissingBlocksAsync(web3Source: Web3Source, tableName: string): Promise<void> {
- const blocksRepository = connection.getRepository(Block);
- while (true) {
- logUtils.log(`Checking for missing blocks in ${tableName}...`);
- const blockNumbers = await getMissingBlockNumbersAsync(tableName);
- if (blockNumbers.length === 0) {
- // There are no more missing blocks. We're done.
- break;
- }
- await getAndSaveBlocksAsync(web3Source, blocksRepository, blockNumbers);
- }
- const totalBlocks = await blocksRepository.count();
- logUtils.log(`Done saving blocks for ${tableName}. There are now ${totalBlocks} total blocks.`);
-}
-
-async function getMissingBlockNumbersAsync(tableName: string): Promise<number[]> {
- // This query returns up to `MAX_BLOCKS_PER_QUERY` distinct block numbers
- // which are present in `tableName` but not in `raw.blocks`.
- const response = (await connection.query(
- `SELECT DISTINCT(block_number) FROM ${tableName} LEFT JOIN raw.blocks ON ${tableName}.block_number = raw.blocks.number WHERE number IS NULL LIMIT $1;`,
- [MAX_BLOCKS_PER_QUERY],
- )) as MissingBlocksResponse[];
- const blockNumberStrings = R.pluck('block_number', response);
- const blockNumbers = R.map(parseInt, blockNumberStrings);
- logUtils.log(`Found ${blockNumbers.length} missing blocks.`);
- return blockNumbers;
-}
-
-async function getAndSaveBlocksAsync(
- web3Source: Web3Source,
- blocksRepository: Repository<Block>,
- blockNumbers: number[],
-): Promise<void> {
- logUtils.log(`Getting block data for ${blockNumbers.length} blocks...`);
- Parallel.setConcurrency(MAX_CONCURRENCY);
- const rawBlocks = await Parallel.map(blockNumbers, async (blockNumber: number) =>
- web3Source.getBlockInfoAsync(blockNumber),
- );
- logUtils.log(`Parsing ${rawBlocks.length} blocks...`);
- const blocks = R.map(parseBlock, rawBlocks);
- logUtils.log(`Saving ${blocks.length} blocks...`);
- await blocksRepository.save(blocks, { chunk: Math.ceil(blocks.length / BATCH_SAVE_SIZE) });
- logUtils.log('Done saving this batch of blocks');
-}