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import { APIOrder, OrdersResponse } from '@0x/connect';
import { assetDataUtils, orderHashUtils } from '@0x/order-utils';
import { AssetProxyId, ERC721AssetData, SingleAssetData } from '@0x/types';
import * as R from 'ramda';
import { SraOrder } from '../../entities';
import { bigNumbertoStringOrNull, convertAssetProxyIdToType } from '../../utils';
/**
* Parses a raw order response from an SRA endpoint and returns an array of
* SraOrder entities.
* @param rawOrdersResponse A raw order response from an SRA endpoint.
*/
export function parseSraOrders(rawOrdersResponse: OrdersResponse): SraOrder[] {
return R.map(_convertToEntity, rawOrdersResponse.records);
}
/**
* Converts a single APIOrder into an SraOrder entity.
* @param apiOrder A single order from the response from an SRA endpoint.
*/
export function _convertToEntity(apiOrder: APIOrder): SraOrder {
// TODO(albrow): refactor out common asset data decoding code.
const makerAssetData = assetDataUtils.decodeAssetDataOrThrow(apiOrder.order.makerAssetData);
const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(apiOrder.order.takerAssetData);
const sraOrder = new SraOrder();
sraOrder.exchangeAddress = apiOrder.order.exchangeAddress;
sraOrder.orderHashHex = orderHashUtils.getOrderHashHex(apiOrder.order);
sraOrder.makerAddress = apiOrder.order.makerAddress;
sraOrder.takerAddress = apiOrder.order.takerAddress;
sraOrder.feeRecipientAddress = apiOrder.order.feeRecipientAddress;
sraOrder.senderAddress = apiOrder.order.senderAddress;
sraOrder.makerAssetAmount = apiOrder.order.makerAssetAmount;
sraOrder.takerAssetAmount = apiOrder.order.takerAssetAmount;
sraOrder.makerFee = apiOrder.order.makerFee;
sraOrder.takerFee = apiOrder.order.takerFee;
sraOrder.expirationTimeSeconds = apiOrder.order.expirationTimeSeconds;
sraOrder.salt = apiOrder.order.salt;
sraOrder.signature = apiOrder.order.signature;
sraOrder.rawMakerAssetData = apiOrder.order.makerAssetData;
sraOrder.makerAssetType = convertAssetProxyIdToType(makerAssetData.assetProxyId as AssetProxyId);
sraOrder.makerAssetProxyId = makerAssetData.assetProxyId;
// HACK(abandeali1): this event schema currently does not support multiple maker/taker assets, so we store a null byte array when decoding assetData from the MultiAssetProxy
sraOrder.makerTokenAddress =
makerAssetData.assetProxyId === AssetProxyId.MultiAsset
? assetDataUtils.decodeMultiAssetDataRecursively(apiOrder.order.makerAssetData).nestedAssetData[0]
.tokenAddress
: (makerAssetData as SingleAssetData).tokenAddress;
// tslint has a false positive here. Type assertion is required.
// tslint:disable-next-line:no-unnecessary-type-assertion
sraOrder.makerTokenId = bigNumbertoStringOrNull((makerAssetData as ERC721AssetData).tokenId);
sraOrder.rawTakerAssetData = apiOrder.order.takerAssetData;
sraOrder.takerAssetType = convertAssetProxyIdToType(takerAssetData.assetProxyId as AssetProxyId);
sraOrder.takerAssetProxyId = takerAssetData.assetProxyId;
// HACK(abandeali1): this event schema currently does not support multiple maker/taker assets, so we store a null byte array when decoding assetData from the MultiAssetProxy
sraOrder.takerTokenAddress =
takerAssetData.assetProxyId === AssetProxyId.MultiAsset
? assetDataUtils.decodeMultiAssetDataRecursively(apiOrder.order.takerAssetData).nestedAssetData[0]
.tokenAddress
: (takerAssetData as SingleAssetData).tokenAddress;
// tslint:disable-next-line:no-unnecessary-type-assertion
sraOrder.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId);
sraOrder.metadataJson = JSON.stringify(apiOrder.metaData);
return sraOrder;
}
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