diff options
Diffstat (limited to 'packages/pipeline/src/parsers/events')
-rw-r--r-- | packages/pipeline/src/parsers/events/index.ts | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/packages/pipeline/src/parsers/events/index.ts b/packages/pipeline/src/parsers/events/index.ts new file mode 100644 index 000000000..e18106c75 --- /dev/null +++ b/packages/pipeline/src/parsers/events/index.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; +} |