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/*
Copyright 2018 ZeroEx Intl.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
pragma solidity ^0.4.23;
pragma experimental ABIEncoderV2;
import "../libs/LibOrder.sol";
import "../libs/LibFillResults.sol";
contract IExchangeCore {
/// @dev Cancels all orders reated by sender with a salt less than or equal to the specified salt value.
/// @param salt Orders created with a salt less or equal to this value will be cancelled.
function cancelOrdersUpTo(uint256 salt)
external;
/// @dev Fills the input order.
/// @param order Order struct containing order specifications.
/// @param takerAssetFillAmount Desired amount of takerAsset to sell.
/// @param signature Proof that order has been created by maker.
/// @return Amounts filled and fees paid by maker and taker.
function fillOrder(
LibOrder.Order memory order,
uint256 takerAssetFillAmount,
bytes memory signature)
public
returns (LibFillResults.FillResults memory fillResults);
/// @dev After calling, the order can not be filled anymore.
/// @param order Order struct containing order specifications.
/// @return True if the order state changed to cancelled.
/// False if the transaction was already cancelled or expired.
function cancelOrder(LibOrder.Order memory order)
public
returns (bool);
/// @dev Gets information about an order: status, hash, and amount filled.
/// @param order Order to gather information on.
/// @return status Status of order. Statuses are defined in the LibStatus.Status struct.
/// @return orderHash Keccak-256 EIP712 hash of the order.
/// @return takerAssetFilledAmount Amount of order that has been filled.
function getOrderInfo(LibOrder.Order memory order)
public
view
returns (
uint8 orderStatus,
bytes32 orderHash,
uint256 takerAssetFilledAmount
);
}
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