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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 ^0.4.21;
pragma experimental ABIEncoderV2;
import "./mixins/MSettlement.sol";
import "../../tokens/Token/IToken.sol";
import "./LibPartialAmount.sol";
import "../AssetProxyDispatcher/IAssetProxyDispatcher.sol";
/// @dev Provides MixinSettlement
contract MixinSettlementProxy is
MSettlement,
LibPartialAmount
{
IAssetProxyDispatcher TRANSFER_PROXY;
bytes ZRX_PROXY_METADATA;
IToken ZRX_TOKEN;
function transferProxy()
public view
returns (IAssetProxyDispatcher)
{
return TRANSFER_PROXY;
}
function zrxToken()
external view
returns (IToken)
{
return ZRX_TOKEN;
}
function zrxProxyMetadata()
external view
returns (bytes)
{
return ZRX_PROXY_METADATA;
}
function MixinSettlementProxy(
IAssetProxyDispatcher assetProxyDispatcherContract,
IToken zrxToken,
bytes zrxProxyMetadata)
public
{
ZRX_TOKEN = zrxToken;
TRANSFER_PROXY = assetProxyDispatcherContract;
ZRX_PROXY_METADATA = zrxProxyMetadata;
}
function settleOrder(
Order memory order,
address takerAddress,
uint256 takerTokenFilledAmount)
internal
returns (
uint256 makerTokenFilledAmount,
uint256 makerFeePaid,
uint256 takerFeePaid
)
{
makerTokenFilledAmount = getPartialAmount(takerTokenFilledAmount, order.takerTokenAmount, order.makerTokenAmount);
TRANSFER_PROXY.transferFrom(
order.makerAssetProxyData,
order.makerAddress,
takerAddress,
makerTokenFilledAmount
);
TRANSFER_PROXY.transferFrom(
order.takerAssetProxyData,
takerAddress,
order.makerAddress,
takerTokenFilledAmount
);
if (order.feeRecipientAddress != address(0)) {
if (order.makerFee > 0) {
makerFeePaid = getPartialAmount(takerTokenFilledAmount, order.takerTokenAmount, order.makerFee);
TRANSFER_PROXY.transferFrom(
ZRX_PROXY_METADATA,
order.makerAddress,
order.feeRecipientAddress,
makerFeePaid
);
}
if (order.takerFee > 0) {
takerFeePaid = getPartialAmount(takerTokenFilledAmount, order.takerTokenAmount, order.takerFee);
TRANSFER_PROXY.transferFrom(
ZRX_PROXY_METADATA,
takerAddress,
order.feeRecipientAddress,
takerFeePaid
);
}
}
return (makerTokenFilledAmount, makerFeePaid, takerFeePaid);
}
}
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