diff options
Diffstat (limited to 'packages/pipeline/src/parsers/sra_orders/index.ts')
-rw-r--r-- | packages/pipeline/src/parsers/sra_orders/index.ts | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/packages/pipeline/src/parsers/sra_orders/index.ts b/packages/pipeline/src/parsers/sra_orders/index.ts new file mode 100644 index 000000000..ef8901e40 --- /dev/null +++ b/packages/pipeline/src/parsers/sra_orders/index.ts @@ -0,0 +1,62 @@ +import { APIOrder, OrdersResponse } from '@0x/connect'; +import { assetDataUtils, orderHashUtils } from '@0x/order-utils'; +import { AssetProxyId, ERC721AssetData } from '@0x/types'; +import * as R from 'ramda'; + +import { SraOrder } from '../../entities'; +import { bigNumbertoStringOrNull } 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 makerAssetType = makerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + const takerAssetData = assetDataUtils.decodeAssetDataOrThrow(apiOrder.order.takerAssetData); + const takerAssetType = takerAssetData.assetProxyId === AssetProxyId.ERC20 ? 'erc20' : 'erc721'; + + 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 = makerAssetType; + sraOrder.makerAssetProxyId = makerAssetData.assetProxyId; + sraOrder.makerTokenAddress = makerAssetData.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 = takerAssetType; + sraOrder.takerAssetProxyId = takerAssetData.assetProxyId; + sraOrder.takerTokenAddress = takerAssetData.tokenAddress; + // tslint:disable-next-line:no-unnecessary-type-assertion + sraOrder.takerTokenId = bigNumbertoStringOrNull((takerAssetData as ERC721AssetData).tokenId); + + sraOrder.metadataJson = JSON.stringify(apiOrder.metaData); + + return sraOrder; +} |