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-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol25
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol3
-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol5
-rw-r--r--packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol6
-rw-r--r--packages/contracts/test/utils/constants.ts1
5 files changed, 31 insertions, 9 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 ff908917d..11bbe40fb 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
@@ -107,14 +107,7 @@ contract MixinExchangeCore is
public
nonReentrant
{
- // Fetch current order status
- OrderInfo memory orderInfo = getOrderInfo(order);
-
- // Validate context
- assertValidCancel(order, orderInfo);
-
- // Perform cancel
- updateCancelledState(order, orderInfo.orderHash);
+ cancelOrderInternal(order);
}
/// @dev Gets information about an order: status, hash, and amount filled.
@@ -236,6 +229,22 @@ contract MixinExchangeCore is
return fillResults;
}
+ /// @dev After calling, the order can not be filled anymore.
+ /// Throws if order is invalid or sender does not have permission to cancel.
+ /// @param order Order to cancel. Order must be OrderStatus.FILLABLE.
+ function cancelOrderInternal(Order memory order)
+ internal
+ {
+ // Fetch current order status
+ OrderInfo memory orderInfo = getOrderInfo(order);
+
+ // Validate context
+ assertValidCancel(order, orderInfo);
+
+ // Perform cancel
+ updateCancelledState(order, orderInfo.orderHash);
+ }
+
/// @dev Updates state with results of a fill order.
/// @param order that was filled.
/// @param takerAddress Address of taker who filled the order.
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
index a5459a21e..a149f95c9 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
@@ -377,10 +377,11 @@ contract MixinWrapperFunctions is
/// @param orders Array of order specifications.
function batchCancelOrders(LibOrder.Order[] memory orders)
public
+ nonReentrant
{
uint256 ordersLength = orders.length;
for (uint256 i = 0; i != ordersLength; i++) {
- cancelOrder(orders[i]);
+ cancelOrderInternal(orders[i]);
}
}
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
index d85913e0f..742499568 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
@@ -72,6 +72,11 @@ contract MExchangeCore is
internal
returns (LibFillResults.FillResults memory fillResults);
+ /// @dev After calling, the order can not be filled anymore.
+ /// @param order Order struct containing order specifications.
+ function cancelOrderInternal(LibOrder.Order memory order)
+ internal;
+
/// @dev Updates state with results of a fill order.
/// @param order that was filled.
/// @param takerAddress Address of taker who filled the order.
diff --git a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol b/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
index 4f4e28302..e3311c703 100644
--- a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
+++ b/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
@@ -51,6 +51,7 @@ contract ReentrantERC20Token is
MARKET_SELL_ORDERS,
MATCH_ORDERS,
CANCEL_ORDER,
+ BATCH_CANCEL_ORDERS,
CANCEL_ORDERS_UP_TO,
SET_SIGNATURE_VALIDATOR_APPROVAL
}
@@ -150,6 +151,11 @@ contract ReentrantERC20Token is
EXCHANGE.cancelOrder.selector,
order
);
+ } else if (currentFunctionId == uint8(ExchangeFunction.BATCH_CANCEL_ORDERS)) {
+ calldata = abi.encodeWithSelector(
+ EXCHANGE.batchCancelOrders.selector,
+ orders
+ );
} else if (currentFunctionId == uint8(ExchangeFunction.CANCEL_ORDERS_UP_TO)) {
calldata = abi.encodeWithSelector(
EXCHANGE.cancelOrdersUpTo.selector,
diff --git a/packages/contracts/test/utils/constants.ts b/packages/contracts/test/utils/constants.ts
index ee4378d2e..b9ba8ccb9 100644
--- a/packages/contracts/test/utils/constants.ts
+++ b/packages/contracts/test/utils/constants.ts
@@ -60,6 +60,7 @@ export const constants = {
'MARKET_SELL_ORDERS',
'MATCH_ORDERS',
'CANCEL_ORDER',
+ 'BATCH_CANCEL_ORDERS',
'CANCEL_ORDERS_UP_TO',
'SET_SIGNATURE_VALIDATOR_APPROVAL',
],