From 045751a430c512d94bf7e515d7531bac68dc2179 Mon Sep 17 00:00:00 2001
From: Brandon Millman <brandon.millman@gmail.com>
Date: Mon, 30 Jul 2018 17:43:02 -0700
Subject: Add getOrdersInfo to exchange_wrapper

---
 .../src/contract_wrappers/exchange_wrapper.ts      | 22 +++++++++++++++++++++-
 packages/contract-wrappers/src/types.ts            |  4 ++--
 .../test/exchange_wrapper_test.ts                  |  9 +++++++++
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
index 3e7619228..48bd00f90 100644
--- a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
@@ -869,15 +869,35 @@ export class ExchangeWrapper extends ContractWrapper {
      */
     @decorators.asyncZeroExErrorHandler
     public async getOrderInfoAsync(order: Order | SignedOrder, methodOpts: MethodOpts = {}): Promise<OrderInfo> {
+        assert.doesConformToSchema('order', order, schemas.orderSchema);
         if (!_.isUndefined(methodOpts)) {
             assert.doesConformToSchema('methodOpts', methodOpts, methodOptsSchema);
         }
         const exchangeInstance = await this._getExchangeContractAsync();
-
         const txData = {};
         const orderInfo = await exchangeInstance.getOrderInfo.callAsync(order, txData, methodOpts.defaultBlock);
         return orderInfo;
     }
+    /**
+     * Get order info for multiple orders
+     * @param orders         Orders
+     * @param methodOpts    Optional arguments this method accepts.
+     * @returns Array of Order infos
+     */
+    @decorators.asyncZeroExErrorHandler
+    public async getOrdersInfoAsync(
+        orders: Array<Order | SignedOrder>,
+        methodOpts: MethodOpts = {},
+    ): Promise<OrderInfo[]> {
+        assert.doesConformToSchema('orders', orders, schemas.ordersSchema);
+        if (!_.isUndefined(methodOpts)) {
+            assert.doesConformToSchema('methodOpts', methodOpts, methodOptsSchema);
+        }
+        const exchangeInstance = await this._getExchangeContractAsync();
+        const txData = {};
+        const ordersInfo = await exchangeInstance.getOrdersInfo.callAsync(orders, txData, methodOpts.defaultBlock);
+        return ordersInfo;
+    }
     /**
      * Cancel a given order.
      * @param   order           An object that conforms to the Order or SignedOrder interface. The order you would like to cancel.
diff --git a/packages/contract-wrappers/src/types.ts b/packages/contract-wrappers/src/types.ts
index 887d09c80..2b3cdc591 100644
--- a/packages/contract-wrappers/src/types.ts
+++ b/packages/contract-wrappers/src/types.ts
@@ -174,13 +174,13 @@ export enum TransferType {
 export type OnOrderStateChangeCallback = (err: Error | null, orderState?: OrderState) => void;
 
 export interface OrderInfo {
-    orderStatus: number;
+    orderStatus: OrderStatus;
     orderHash: string;
     orderTakerAssetFilledAmount: BigNumber;
 }
 
 export enum OrderStatus {
-    INVALID,
+    INVALID = 0,
     INVALID_MAKER_ASSET_AMOUNT,
     INVALID_TAKER_ASSET_AMOUNT,
     FILLABLE,
diff --git a/packages/contract-wrappers/test/exchange_wrapper_test.ts b/packages/contract-wrappers/test/exchange_wrapper_test.ts
index dca212f65..e468187f2 100644
--- a/packages/contract-wrappers/test/exchange_wrapper_test.ts
+++ b/packages/contract-wrappers/test/exchange_wrapper_test.ts
@@ -277,6 +277,15 @@ describe('ExchangeWrapper', () => {
             expect(orderInfo.orderHash).to.be.equal(orderHash);
         });
     });
+    describe('#getOrdersInfoAsync', () => {
+        it('should get the orders info', async () => {
+            const ordersInfo = await contractWrappers.exchange.getOrdersInfoAsync([signedOrder, anotherSignedOrder]);
+            const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
+            expect(ordersInfo[0].orderHash).to.be.equal(orderHash);
+            const anotherOrderHash = orderHashUtils.getOrderHashHex(anotherSignedOrder);
+            expect(ordersInfo[1].orderHash).to.be.equal(anotherOrderHash);
+        });
+    });
     describe('#isValidSignature', () => {
         it('should check if the signature is valid', async () => {
             const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
-- 
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