1 files changed, 5 insertions, 0 deletions
diff --git a/src/types.ts b/src/types.ts
index 6c217fe51..1034893a4 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -222,3 +222,8 @@ export interface SubscriptionOpts {
 }
 
 export type DoneCallback = (err?: Error) => void;
+
+export interface OrderCancellationRequest {
+    order: Order|SignedOrder;
+    takerTokenCancelAmount: BigNumber.BigNumber;
+}