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;
+}