Implementation and tests in the protocol for cancelling all orders up to a specific time

2 files changed, 16 insertions, 0 deletions

diff --git a/packages/contracts/src/utils/exchange_wrapper.ts b/packages/contracts/src/utils/exchange_wrapper.ts
index 5996867cb..d4206adc3 100644
--- a/packages/contracts/src/utils/exchange_wrapper.ts
+++ b/packages/contracts/src/utils/exchange_wrapper.ts
@@ -167,6 +167,18 @@ export class ExchangeWrapper {
         const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
         return tx;
     }
+    public async cancelOrdersBeforeAsync(
+      timestamp: BigNumber,
+      from: string,
+    ): Promise<TransactionReceiptWithDecodedLogs> {
+        const txHash = await this._exchange.cancelOrdersBefore.sendTransactionAsync(
+            timestamp,
+            { from },
+        );
+        const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
+        return tx;
+    }
+
     public async getOrderHashAsync(signedOrder: SignedOrder): Promise<string> {
         const order = orderUtils.getOrderStruct(signedOrder);
         const orderHash = await this._exchange.getOrderHash.callAsync(order);
diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts
index 9f874d9ec..1a924a66d 100644
--- a/packages/contracts/src/utils/types.ts
+++ b/packages/contracts/src/utils/types.ts
@@ -28,6 +28,10 @@ export interface BatchCancelOrders {
     takerTokenCancelAmounts: BigNumber[];
 }
 
+export interface CancelOrdersBefore {
+    timestamp: BigNumber;
+}
+
 export interface DefaultOrderParams {
     exchangeAddress: string;
     makerAddress: string;