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authorAlex Browne <stephenalexbrowne@gmail.com>2018-12-12 07:16:05 +0800
committerGitHub <noreply@github.com>2018-12-12 07:16:05 +0800
commitb4cdb14b9b79589d7b24fd7655406c15b6bb00f6 (patch)
treeea004984d12ff2337387356f4b14ad087740adc2 /packages/pipeline/src/parsers
parentd37680610b772d7bb585203047bef0af0439df0a (diff)
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Refactor event scraping and add support for scraping ERC20 approval events (#1401)
* Refactor event scraping and add support for scraping ERC20 approval events * Add tests for data_sources/contract-wrappers/utils
Diffstat (limited to 'packages/pipeline/src/parsers')
-rw-r--r--packages/pipeline/src/parsers/events/erc20_events.ts34
-rw-r--r--packages/pipeline/src/parsers/events/exchange_events.ts133
-rw-r--r--packages/pipeline/src/parsers/events/index.ts135
3 files changed, 169 insertions, 133 deletions
diff --git a/packages/pipeline/src/parsers/events/erc20_events.ts b/packages/pipeline/src/parsers/events/erc20_events.ts
new file mode 100644
index 000000000..caf9984d0
--- /dev/null
+++ b/packages/pipeline/src/parsers/events/erc20_events.ts
@@ -0,0 +1,34 @@
+import { ERC20TokenApprovalEventArgs } from '@0x/contract-wrappers';
+import { LogWithDecodedArgs } from 'ethereum-types';
+import * as R from 'ramda';
+
+import { ERC20ApprovalEvent } from '../../entities';
+
+/**
+ * Parses raw event logs for an ERC20 approval event and returns an array of
+ * ERC20ApprovalEvent entities.
+ * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
+ */
+export const parseERC20ApprovalEvents: (
+ eventLogs: Array<LogWithDecodedArgs<ERC20TokenApprovalEventArgs>>,
+) => ERC20ApprovalEvent[] = R.map(_convertToERC20ApprovalEvent);
+
+/**
+ * Converts a raw event log for an ERC20 approval event into an
+ * ERC20ApprovalEvent entity.
+ * @param eventLog Raw event log (e.g. returned from contract-wrappers).
+ */
+export function _convertToERC20ApprovalEvent(
+ eventLog: LogWithDecodedArgs<ERC20TokenApprovalEventArgs>,
+): ERC20ApprovalEvent {
+ const erc20ApprovalEvent = new ERC20ApprovalEvent();
+ erc20ApprovalEvent.tokenAddress = eventLog.address as string;
+ erc20ApprovalEvent.blockNumber = eventLog.blockNumber as number;
+ erc20ApprovalEvent.logIndex = eventLog.logIndex as number;
+ erc20ApprovalEvent.rawData = eventLog.data as string;
+ erc20ApprovalEvent.transactionHash = eventLog.transactionHash;
+ erc20ApprovalEvent.ownerAddress = eventLog.args._owner;
+ erc20ApprovalEvent.spenderAddress = eventLog.args._spender;
+ erc20ApprovalEvent.amount = eventLog.args._value;
+ return erc20ApprovalEvent;
+}
diff --git a/packages/pipeline/src/parsers/events/exchange_events.ts b/packages/pipeline/src/parsers/events/exchange_events.ts
new file mode 100644
index 000000000..e18106c75
--- /dev/null
+++ b/packages/pipeline/src/parsers/events/exchange_events.ts
@@ -0,0 +1,133 @@
+import { ExchangeCancelEventArgs, ExchangeCancelUpToEventArgs, ExchangeFillEventArgs } from '@0x/contract-wrappers';
+import { assetDataUtils } from '@0x/order-utils';
+import { AssetProxyId, ERC721AssetData } from '@0x/types';
+import { LogWithDecodedArgs } from 'ethereum-types';
+import * as R from 'ramda';
+
+import { ExchangeCancelEvent, ExchangeCancelUpToEvent, ExchangeFillEvent } from '../../entities';
+import { bigNumbertoStringOrNull } from '../../utils';
+
+/**
+ * Parses raw event logs for a fill event and returns an array of
+ * ExchangeFillEvent entities.
+ * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
+ */
+export const parseExchangeFillEvents: (
+ eventLogs: Array<LogWithDecodedArgs<ExchangeFillEventArgs>>,
+) => ExchangeFillEvent[] = R.map(_convertToExchangeFillEvent);
+
+/**
+ * Parses raw event logs for a cancel event and returns an array of
+ * ExchangeCancelEvent entities.
+ * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
+ */
+export const parseExchangeCancelEvents: (
+ eventLogs: Array<LogWithDecodedArgs<ExchangeCancelEventArgs>>,
+) => ExchangeCancelEvent[] = R.map(_convertToExchangeCancelEvent);
+
+/**
+ * Parses raw event logs for a CancelUpTo event and returns an array of
+ * ExchangeCancelUpToEvent entities.
+ * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
+ */
+export const parseExchangeCancelUpToEvents: (
+ eventLogs: Array<LogWithDecodedArgs<ExchangeCancelUpToEventArgs>>,
+) => ExchangeCancelUpToEvent[] = R.map(_convertToExchangeCancelUpToEvent);
+
+/**
+ * Converts a raw event log for a fill event into an ExchangeFillEvent entity.
+ * @param eventLog Raw event log (e.g. returned from contract-wrappers).
+ */
+export function _convertToExchangeFillEvent(eventLog: LogWithDecodedArgs<ExchangeFillEventArgs>): ExchangeFillEvent {
+ 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 exchangeFillEvent = new ExchangeFillEvent();
+ exchangeFillEvent.contractAddress = eventLog.address as string;
+ exchangeFillEvent.blockNumber = eventLog.blockNumber as number;
+ exchangeFillEvent.logIndex = eventLog.logIndex as number;
+ exchangeFillEvent.rawData = eventLog.data as string;
+ exchangeFillEvent.transactionHash = eventLog.transactionHash;
+ exchangeFillEvent.makerAddress = eventLog.args.makerAddress;
+ exchangeFillEvent.takerAddress = eventLog.args.takerAddress;
+ exchangeFillEvent.feeRecipientAddress = eventLog.args.feeRecipientAddress;
+ exchangeFillEvent.senderAddress = eventLog.args.senderAddress;
+ exchangeFillEvent.makerAssetFilledAmount = eventLog.args.makerAssetFilledAmount;
+ exchangeFillEvent.takerAssetFilledAmount = eventLog.args.takerAssetFilledAmount;
+ exchangeFillEvent.makerFeePaid = eventLog.args.makerFeePaid;
+ exchangeFillEvent.takerFeePaid = eventLog.args.takerFeePaid;
+ exchangeFillEvent.orderHash = eventLog.args.orderHash;
+ exchangeFillEvent.rawMakerAssetData = eventLog.args.makerAssetData;
+ exchangeFillEvent.makerAssetType = makerAssetType;
+ exchangeFillEvent.makerAssetProxyId = makerAssetData.assetProxyId;
+ exchangeFillEvent.makerTokenAddress = makerAssetData.tokenAddress;
+ // tslint has a false positive here. Type assertion is required.
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ exchangeFillEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
+ exchangeFillEvent.rawTakerAssetData = eventLog.args.takerAssetData;
+ exchangeFillEvent.takerAssetType = takerAssetType;
+ exchangeFillEvent.takerAssetProxyId = takerAssetData.assetProxyId;
+ exchangeFillEvent.takerTokenAddress = takerAssetData.tokenAddress;
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ exchangeFillEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
+ return exchangeFillEvent;
+}
+
+/**
+ * Converts a raw event log for a cancel event into an ExchangeCancelEvent
+ * entity.
+ * @param eventLog Raw event log (e.g. returned from contract-wrappers).
+ */
+export function _convertToExchangeCancelEvent(
+ eventLog: LogWithDecodedArgs<ExchangeCancelEventArgs>,
+): 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.contractAddress = eventLog.address as string;
+ exchangeCancelEvent.blockNumber = eventLog.blockNumber as number;
+ exchangeCancelEvent.logIndex = eventLog.logIndex as number;
+ exchangeCancelEvent.rawData = eventLog.data as string;
+ exchangeCancelEvent.transactionHash = eventLog.transactionHash;
+ exchangeCancelEvent.makerAddress = eventLog.args.makerAddress;
+ exchangeCancelEvent.takerAddress = eventLog.args.takerAddress;
+ exchangeCancelEvent.feeRecipientAddress = 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;
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ exchangeCancelEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
+ exchangeCancelEvent.rawTakerAssetData = eventLog.args.takerAssetData;
+ exchangeCancelEvent.takerAssetType = takerAssetType;
+ exchangeCancelEvent.takerAssetProxyId = takerAssetData.assetProxyId;
+ exchangeCancelEvent.takerTokenAddress = takerAssetData.tokenAddress;
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ exchangeCancelEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
+ return exchangeCancelEvent;
+}
+
+/**
+ * Converts a raw event log for a cancelUpTo event into an
+ * ExchangeCancelUpToEvent entity.
+ * @param eventLog Raw event log (e.g. returned from contract-wrappers).
+ */
+export function _convertToExchangeCancelUpToEvent(
+ eventLog: LogWithDecodedArgs<ExchangeCancelUpToEventArgs>,
+): ExchangeCancelUpToEvent {
+ const exchangeCancelUpToEvent = new ExchangeCancelUpToEvent();
+ exchangeCancelUpToEvent.contractAddress = eventLog.address as string;
+ exchangeCancelUpToEvent.blockNumber = eventLog.blockNumber as number;
+ exchangeCancelUpToEvent.logIndex = eventLog.logIndex as number;
+ exchangeCancelUpToEvent.rawData = eventLog.data as string;
+ exchangeCancelUpToEvent.transactionHash = eventLog.transactionHash;
+ exchangeCancelUpToEvent.makerAddress = eventLog.args.makerAddress;
+ exchangeCancelUpToEvent.senderAddress = eventLog.args.senderAddress;
+ exchangeCancelUpToEvent.orderEpoch = eventLog.args.orderEpoch;
+ return exchangeCancelUpToEvent;
+}
diff --git a/packages/pipeline/src/parsers/events/index.ts b/packages/pipeline/src/parsers/events/index.ts
index e18106c75..3f9915e8b 100644
--- a/packages/pipeline/src/parsers/events/index.ts
+++ b/packages/pipeline/src/parsers/events/index.ts
@@ -1,133 +1,2 @@
-import { ExchangeCancelEventArgs, ExchangeCancelUpToEventArgs, ExchangeFillEventArgs } from '@0x/contract-wrappers';
-import { assetDataUtils } from '@0x/order-utils';
-import { AssetProxyId, ERC721AssetData } from '@0x/types';
-import { LogWithDecodedArgs } from 'ethereum-types';
-import * as R from 'ramda';
-
-import { ExchangeCancelEvent, ExchangeCancelUpToEvent, ExchangeFillEvent } from '../../entities';
-import { bigNumbertoStringOrNull } from '../../utils';
-
-/**
- * Parses raw event logs for a fill event and returns an array of
- * ExchangeFillEvent entities.
- * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
- */
-export const parseExchangeFillEvents: (
- eventLogs: Array<LogWithDecodedArgs<ExchangeFillEventArgs>>,
-) => ExchangeFillEvent[] = R.map(_convertToExchangeFillEvent);
-
-/**
- * Parses raw event logs for a cancel event and returns an array of
- * ExchangeCancelEvent entities.
- * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
- */
-export const parseExchangeCancelEvents: (
- eventLogs: Array<LogWithDecodedArgs<ExchangeCancelEventArgs>>,
-) => ExchangeCancelEvent[] = R.map(_convertToExchangeCancelEvent);
-
-/**
- * Parses raw event logs for a CancelUpTo event and returns an array of
- * ExchangeCancelUpToEvent entities.
- * @param eventLogs Raw event logs (e.g. returned from contract-wrappers).
- */
-export const parseExchangeCancelUpToEvents: (
- eventLogs: Array<LogWithDecodedArgs<ExchangeCancelUpToEventArgs>>,
-) => ExchangeCancelUpToEvent[] = R.map(_convertToExchangeCancelUpToEvent);
-
-/**
- * Converts a raw event log for a fill event into an ExchangeFillEvent entity.
- * @param eventLog Raw event log (e.g. returned from contract-wrappers).
- */
-export function _convertToExchangeFillEvent(eventLog: LogWithDecodedArgs<ExchangeFillEventArgs>): ExchangeFillEvent {
- 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 exchangeFillEvent = new ExchangeFillEvent();
- exchangeFillEvent.contractAddress = eventLog.address as string;
- exchangeFillEvent.blockNumber = eventLog.blockNumber as number;
- exchangeFillEvent.logIndex = eventLog.logIndex as number;
- exchangeFillEvent.rawData = eventLog.data as string;
- exchangeFillEvent.transactionHash = eventLog.transactionHash;
- exchangeFillEvent.makerAddress = eventLog.args.makerAddress;
- exchangeFillEvent.takerAddress = eventLog.args.takerAddress;
- exchangeFillEvent.feeRecipientAddress = eventLog.args.feeRecipientAddress;
- exchangeFillEvent.senderAddress = eventLog.args.senderAddress;
- exchangeFillEvent.makerAssetFilledAmount = eventLog.args.makerAssetFilledAmount;
- exchangeFillEvent.takerAssetFilledAmount = eventLog.args.takerAssetFilledAmount;
- exchangeFillEvent.makerFeePaid = eventLog.args.makerFeePaid;
- exchangeFillEvent.takerFeePaid = eventLog.args.takerFeePaid;
- exchangeFillEvent.orderHash = eventLog.args.orderHash;
- exchangeFillEvent.rawMakerAssetData = eventLog.args.makerAssetData;
- exchangeFillEvent.makerAssetType = makerAssetType;
- exchangeFillEvent.makerAssetProxyId = makerAssetData.assetProxyId;
- exchangeFillEvent.makerTokenAddress = makerAssetData.tokenAddress;
- // tslint has a false positive here. Type assertion is required.
- // tslint:disable-next-line:no-unnecessary-type-assertion
- exchangeFillEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
- exchangeFillEvent.rawTakerAssetData = eventLog.args.takerAssetData;
- exchangeFillEvent.takerAssetType = takerAssetType;
- exchangeFillEvent.takerAssetProxyId = takerAssetData.assetProxyId;
- exchangeFillEvent.takerTokenAddress = takerAssetData.tokenAddress;
- // tslint:disable-next-line:no-unnecessary-type-assertion
- exchangeFillEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
- return exchangeFillEvent;
-}
-
-/**
- * Converts a raw event log for a cancel event into an ExchangeCancelEvent
- * entity.
- * @param eventLog Raw event log (e.g. returned from contract-wrappers).
- */
-export function _convertToExchangeCancelEvent(
- eventLog: LogWithDecodedArgs<ExchangeCancelEventArgs>,
-): 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.contractAddress = eventLog.address as string;
- exchangeCancelEvent.blockNumber = eventLog.blockNumber as number;
- exchangeCancelEvent.logIndex = eventLog.logIndex as number;
- exchangeCancelEvent.rawData = eventLog.data as string;
- exchangeCancelEvent.transactionHash = eventLog.transactionHash;
- exchangeCancelEvent.makerAddress = eventLog.args.makerAddress;
- exchangeCancelEvent.takerAddress = eventLog.args.takerAddress;
- exchangeCancelEvent.feeRecipientAddress = 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;
- // tslint:disable-next-line:no-unnecessary-type-assertion
- exchangeCancelEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
- exchangeCancelEvent.rawTakerAssetData = eventLog.args.takerAssetData;
- exchangeCancelEvent.takerAssetType = takerAssetType;
- exchangeCancelEvent.takerAssetProxyId = takerAssetData.assetProxyId;
- exchangeCancelEvent.takerTokenAddress = takerAssetData.tokenAddress;
- // tslint:disable-next-line:no-unnecessary-type-assertion
- exchangeCancelEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
- return exchangeCancelEvent;
-}
-
-/**
- * Converts a raw event log for a cancelUpTo event into an
- * ExchangeCancelUpToEvent entity.
- * @param eventLog Raw event log (e.g. returned from contract-wrappers).
- */
-export function _convertToExchangeCancelUpToEvent(
- eventLog: LogWithDecodedArgs<ExchangeCancelUpToEventArgs>,
-): ExchangeCancelUpToEvent {
- const exchangeCancelUpToEvent = new ExchangeCancelUpToEvent();
- exchangeCancelUpToEvent.contractAddress = eventLog.address as string;
- exchangeCancelUpToEvent.blockNumber = eventLog.blockNumber as number;
- exchangeCancelUpToEvent.logIndex = eventLog.logIndex as number;
- exchangeCancelUpToEvent.rawData = eventLog.data as string;
- exchangeCancelUpToEvent.transactionHash = eventLog.transactionHash;
- exchangeCancelUpToEvent.makerAddress = eventLog.args.makerAddress;
- exchangeCancelUpToEvent.senderAddress = eventLog.args.senderAddress;
- exchangeCancelUpToEvent.orderEpoch = eventLog.args.orderEpoch;
- return exchangeCancelUpToEvent;
-}
+export { parseExchangeCancelEvents, parseExchangeCancelUpToEvents, parseExchangeFillEvents } from './exchange_events';
+export { parseERC20ApprovalEvents } from './erc20_events';