From 25f1b7701fa1c5402e7d6f91cccdbd63bb9a525c Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Tue, 25 Sep 2018 15:03:49 -0700 Subject: Implement scraping and parsing exchange cancel events --- .../src/data_types/events/exchange_events.ts | 41 +++++++++++++++++++--- .../pipeline/src/entities/ExchangeCancelEvent.ts | 32 +++++++++++++++++ .../pipeline/src/entities/ExchangeFillEvent.ts | 6 ++-- packages/pipeline/src/index.ts | 11 ++++-- 4 files changed, 80 insertions(+), 10 deletions(-) create mode 100644 packages/pipeline/src/entities/ExchangeCancelEvent.ts diff --git a/packages/pipeline/src/data_types/events/exchange_events.ts b/packages/pipeline/src/data_types/events/exchange_events.ts index fb5341b58..3938f3a69 100644 --- a/packages/pipeline/src/data_types/events/exchange_events.ts +++ b/packages/pipeline/src/data_types/events/exchange_events.ts @@ -1,4 +1,4 @@ -import { ExchangeEventArgs, ExchangeFillEventArgs } from '@0xproject/contract-wrappers'; +import { ExchangeCancelEventArgs, ExchangeEventArgs, ExchangeFillEventArgs } from '@0xproject/contract-wrappers'; import { assetDataUtils } from '@0xproject/order-utils'; import { AssetProxyId, ERC721AssetData } from '@0xproject/types'; import { BigNumber } from '@0xproject/utils'; @@ -7,12 +7,12 @@ import * as R from 'ramda'; import { artifacts } from '../../artifacts'; import { EventsResponse } from '../../data_sources/etherscan'; +import { ExchangeCancelEvent } from '../../entities/ExchangeCancelEvent'; import { ExchangeFillEvent } from '../../entities/ExchangeFillEvent'; import { convertResponseToLogEntry, decodeLogEntry } from './event_utils'; -// TODO(albrow): Union with other exchange event entity types -export type ExchangeEventEntity = ExchangeFillEvent; +export type ExchangeEventEntity = ExchangeFillEvent | ExchangeCancelEvent; const exchangeContractAbi = artifacts.Exchange.compilerOutput.abi; @@ -22,7 +22,7 @@ export function parseExchangeEvents(rawEventsResponse: EventsResponse): Exchange eventResponse => decodeLogEntry(exchangeContractAbi, eventResponse), logEntries, ); - const filteredLogEntries = R.filter(logEntry => R.contains(logEntry.event, ['Fill']), decodedLogEntries); + const filteredLogEntries = R.filter(logEntry => R.contains(logEntry.event, ['Fill', 'Cancel']), decodedLogEntries); return R.map(_convertToEntity, filteredLogEntries); } @@ -30,6 +30,8 @@ export function _convertToEntity(eventLog: LogWithDecodedArgs switch (eventLog.event) { case 'Fill': return _convertToExchangeFillEvent(eventLog as LogWithDecodedArgs); + case 'Cancel': + return _convertToExchangeCancelEvent(eventLog as LogWithDecodedArgs); default: throw new Error('unexpected eventLog.event type: ' + eventLog.event); } @@ -67,6 +69,37 @@ export function _convertToExchangeFillEvent(eventLog: LogWithDecodedArgs, +): ExchangeCancelEvent { + const makerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.makerAssetData); + const makerAssetType = makerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(eventLog.args.takerAssetData); + const takerAssetType = takerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const exchangeCancelEvent = new ExchangeCancelEvent(); + exchangeCancelEvent.logIndex = eventLog.logIndex as number; + exchangeCancelEvent.address = eventLog.address as string; + exchangeCancelEvent.rawData = eventLog.data as string; + exchangeCancelEvent.blockNumber = eventLog.blockNumber as number; + exchangeCancelEvent.makerAddress = eventLog.args.makerAddress.toString(); + exchangeCancelEvent.takerAddress = + eventLog.args.takerAddress == null ? null : eventLog.args.takerAddress.toString(); + exchangeCancelEvent.feeRecepientAddress = eventLog.args.feeRecipientAddress; + exchangeCancelEvent.senderAddress = eventLog.args.senderAddress; + exchangeCancelEvent.orderHash = eventLog.args.orderHash; + exchangeCancelEvent.rawMakerAssetData = eventLog.args.makerAssetData; + exchangeCancelEvent.makerAssetType = makerAssetType; + exchangeCancelEvent.makerAssetProxyId = makerAssetData.assetProxyId; + exchangeCancelEvent.makerTokenAddress = makerAssetData.tokenAddress; + exchangeCancelEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId); + exchangeCancelEvent.rawTakerAssetData = eventLog.args.takerAssetData; + exchangeCancelEvent.takerAssetType = takerAssetType; + exchangeCancelEvent.takerAssetProxyId = takerAssetData.assetProxyId; + exchangeCancelEvent.takerTokenAddress = takerAssetData.tokenAddress; + exchangeCancelEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId); + return exchangeCancelEvent; +} + function bigNumbertoStringOrNull(n: BigNumber): string | null { if (n == null) { return null; diff --git a/packages/pipeline/src/entities/ExchangeCancelEvent.ts b/packages/pipeline/src/entities/ExchangeCancelEvent.ts new file mode 100644 index 000000000..8e21518d3 --- /dev/null +++ b/packages/pipeline/src/entities/ExchangeCancelEvent.ts @@ -0,0 +1,32 @@ +import { BaseEntity, Column, Entity, PrimaryColumn } from 'typeorm'; + +import { AssetType } from '../types'; + +@Entity() +export class ExchangeCancelEvent extends BaseEntity { + @PrimaryColumn() public logIndex!: number; + + @Column() public address!: string; + @Column() public rawData!: string; + @Column() public blockNumber!: number; + + @Column() public makerAddress!: string; + @Column({ nullable: true, type: String }) + public takerAddress!: string; + @Column() public feeRecepientAddress!: string; + @Column() public senderAddress!: string; + @Column() public orderHash!: string; + @Column() public rawMakerAssetData!: string; + @Column() public makerAssetType!: AssetType; + @Column() public makerAssetProxyId!: string; + @Column() public makerTokenAddress!: string; + @Column({ nullable: true, type: String }) + public makerTokenId!: string | null; + @Column() public rawTakerAssetData!: string; + @Column() public takerAssetType!: AssetType; + @Column() public takerAssetProxyId!: string; + @Column() public takerTokenAddress!: string; + @Column({ nullable: true, type: String }) + public takerTokenId!: string | null; + // TODO(albrow): Include topics? +} diff --git a/packages/pipeline/src/entities/ExchangeFillEvent.ts b/packages/pipeline/src/entities/ExchangeFillEvent.ts index a7e817240..e66bd64e3 100644 --- a/packages/pipeline/src/entities/ExchangeFillEvent.ts +++ b/packages/pipeline/src/entities/ExchangeFillEvent.ts @@ -1,6 +1,6 @@ import { BaseEntity, Column, Entity, PrimaryColumn } from 'typeorm'; -export type ExchangeFillEventAssetType = 'erc20' | 'erc721'; +import { AssetType } from '../types'; @Entity() export class ExchangeFillEvent extends BaseEntity { @@ -20,13 +20,13 @@ export class ExchangeFillEvent extends BaseEntity { @Column() public takerFeePaid!: string; @Column() public orderHash!: string; @Column() public rawMakerAssetData!: string; - @Column() public makerAssetType!: ExchangeFillEventAssetType; + @Column() public makerAssetType!: AssetType; @Column() public makerAssetProxyId!: string; @Column() public makerTokenAddress!: string; @Column({ nullable: true, type: String }) public makerTokenId!: string | null; @Column() public rawTakerAssetData!: string; - @Column() public takerAssetType!: ExchangeFillEventAssetType; + @Column() public takerAssetType!: AssetType; @Column() public takerAssetProxyId!: string; @Column() public takerTokenAddress!: string; @Column({ nullable: true, type: String }) diff --git a/packages/pipeline/src/index.ts b/packages/pipeline/src/index.ts index c01ff57b4..c68df95bf 100644 --- a/packages/pipeline/src/index.ts +++ b/packages/pipeline/src/index.ts @@ -2,6 +2,7 @@ import 'reflect-metadata'; import { createConnection } from 'typeorm'; import { Etherscan } from './data_sources/etherscan'; +import { ExchangeCancelEvent } from './entities/ExchangeCancelEvent'; import { ExchangeFillEvent } from './entities/ExchangeFillEvent'; import { config } from './ormconfig'; @@ -12,12 +13,16 @@ const EXCHANGE_ADDRESS = '0x4f833a24e1f95d70f028921e27040ca56e09ab0b'; (async () => { const connection = await createConnection(config); - const repository = connection.getRepository(ExchangeFillEvent); - console.log(`found ${await repository.count()} existing fill events`); + const fillRepository = connection.getRepository(ExchangeFillEvent); + const cancelRepository = connection.getRepository(ExchangeCancelEvent); + console.log(`found ${await fillRepository.count()} existing fill events`); + console.log(`found ${await cancelRepository.count()} existing cancel events`); const rawEvents = await etherscan.getContractEventsAsync(EXCHANGE_ADDRESS); const events = parseExchangeEvents(rawEvents); + console.log(`got ${events.length} parsed events`); for (const event of events) { await event.save(); } - console.log(`now ${await repository.count()} total fill events`); + console.log(`now ${await fillRepository.count()} total fill events`); + console.log(`now ${await cancelRepository.count()} total cancel events`); })(); -- cgit v1.2.3