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import {
ExchangeCancelEventArgs,
ExchangeCancelUpToEventArgs,
ExchangeEventArgs,
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 } from '../../entities/ExchangeCancelEvent';
import { ExchangeCancelUpToEvent } from '../../entities/ExchangeCancelUpToEvent';
import { ExchangeFillEvent } from '../../entities/ExchangeFillEvent';
import { bigNumbertoStringOrNull } from '../../utils';
export type ExchangeEventEntity = ExchangeFillEvent | ExchangeCancelEvent | ExchangeCancelUpToEvent;
export const parseExchangeEvents: (
eventLogs: Array<LogWithDecodedArgs<ExchangeEventArgs>>,
) => ExchangeEventEntity[] = R.map(_convertToEntity);
export function _convertToEntity(eventLog: LogWithDecodedArgs<ExchangeEventArgs>): ExchangeEventEntity {
switch (eventLog.event) {
case 'Fill':
return _convertToExchangeFillEvent(eventLog as LogWithDecodedArgs<ExchangeFillEventArgs>);
case 'Cancel':
return _convertToExchangeCancelEvent(eventLog as LogWithDecodedArgs<ExchangeCancelEventArgs>);
case 'CancelUpTo':
return _convertToExchangeCancelUpToEvent(eventLog as LogWithDecodedArgs<ExchangeCancelUpToEventArgs>);
default:
throw new Error('unexpected eventLog.event type: ' + eventLog.event);
}
}
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.makerAddress = eventLog.args.makerAddress.toString();
exchangeFillEvent.takerAddress = eventLog.args.takerAddress.toString();
exchangeFillEvent.feeRecepientAddress = eventLog.args.feeRecipientAddress;
exchangeFillEvent.senderAddress = eventLog.args.senderAddress;
exchangeFillEvent.makerAssetFilledAmount = eventLog.args.makerAssetFilledAmount.toString();
exchangeFillEvent.takerAssetFilledAmount = eventLog.args.takerAssetFilledAmount.toString();
exchangeFillEvent.makerFeePaid = eventLog.args.makerFeePaid.toString();
exchangeFillEvent.takerFeePaid = eventLog.args.takerFeePaid.toString();
exchangeFillEvent.orderHash = eventLog.args.orderHash;
exchangeFillEvent.rawMakerAssetData = eventLog.args.makerAssetData;
exchangeFillEvent.makerAssetType = makerAssetType;
exchangeFillEvent.makerAssetProxyId = makerAssetData.assetProxyId;
exchangeFillEvent.makerTokenAddress = makerAssetData.tokenAddress;
exchangeFillEvent.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
exchangeFillEvent.rawTakerAssetData = eventLog.args.takerAssetData;
exchangeFillEvent.takerAssetType = takerAssetType;
exchangeFillEvent.takerAssetProxyId = takerAssetData.assetProxyId;
exchangeFillEvent.takerTokenAddress = takerAssetData.tokenAddress;
exchangeFillEvent.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
return exchangeFillEvent;
}
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.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;
}
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.makerAddress = eventLog.args.makerAddress.toString();
exchangeCancelUpToEvent.senderAddress = eventLog.args.senderAddress.toString();
exchangeCancelUpToEvent.orderEpoch = eventLog.args.orderEpoch.toString();
return exchangeCancelUpToEvent;
}
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