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author | Amir Bandeali <abandeali1@gmail.com> | 2018-07-08 13:57:09 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-07-08 13:57:09 +0800 |
commit | 8314bbbbac0101831bf8167c01e5ccf46663a2f0 (patch) | |
tree | ff6d2100884518336078c38a11312f096cda8ed4 /packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol | |
parent | 462f1f00d8151ad17f8909f2c07dbc807a0df87d (diff) | |
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Add interfaces and mixins
Diffstat (limited to 'packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol')
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol b/packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol new file mode 100644 index 000000000..16ddf20fd --- /dev/null +++ b/packages/contracts/src/2.0.0/forwarder/mixins/MMarketBuyZrx.sol @@ -0,0 +1,42 @@ +/* + + 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 0.4.24; + +import "../../protocol/Exchange/libs/LibFillResults.sol"; +import "../../protocol/Exchange/libs/LibOrder.sol"; + + +contract MMarketBuyZrx { + + /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account the fees on buying fee tokens. This will guarantee + /// At least zrxBuyAmount of ZRX fee tokens are purchased (sometimes slightly over due to rounding issues). + /// It is possible that a request to buy 200 ZRX fee tokens will require purchasing 202 ZRX tokens + /// As 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases. + /// @param orders An array of Order struct containing order specifications for fees. + /// @param signatures An array of Proof that order has been created by maker for the fee orders. + /// @param zrxBuyAmount The number of requested ZRX fee tokens. + /// @return totalFillResults Amounts filled and fees paid by maker and taker. makerTokenAmount is the zrx amount deducted of fees + function marketBuyZrxInternal( + LibOrder.Order[] memory orders, + bytes[] memory signatures, + uint256 zrxBuyAmount + ) + internal + returns (LibFillResults.FillResults memory totalFillResults); +}
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