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-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol6
1 files changed, 6 insertions, 0 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
index 36060a1b6..e281de264 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
@@ -90,6 +90,12 @@ contract MixinExchangeCore is
{
// Fetch order info
OrderInfo memory orderInfo = getOrderInfo(order);
+
+ // An order can only be filled if its status is FILLABLE.
+ require(
+ orderInfo.orderStatus == uint8(OrderStatus.FILLABLE),
+ "ORDER_UNFILLABLE"
+ );
// Fetch taker address
address takerAddress = getCurrentContextAddress();