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authorAmir Bandeali <abandeali1@gmail.com>2018-07-23 07:15:35 +0800
committerAmir Bandeali <abandeali1@gmail.com>2018-07-23 22:34:47 +0800
commitd8b44283a2247858c84fc2c319634c3118091a71 (patch)
treead25124e008aaad22b155d42911d76323a9d9e6d /packages/contracts/src/2.0.0/test/Whitelist
parent2c1daf9c9a35972f388fe7cfa14c5f35f23a4119 (diff)
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Move example contracts into new examples dir
Diffstat (limited to 'packages/contracts/src/2.0.0/test/Whitelist')
-rw-r--r--packages/contracts/src/2.0.0/test/Whitelist/Whitelist.sol136
1 files changed, 0 insertions, 136 deletions
diff --git a/packages/contracts/src/2.0.0/test/Whitelist/Whitelist.sol b/packages/contracts/src/2.0.0/test/Whitelist/Whitelist.sol
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index 60cac26ea..000000000
--- a/packages/contracts/src/2.0.0/test/Whitelist/Whitelist.sol
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
-
- 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;
-pragma experimental ABIEncoderV2;
-
-import "../../protocol/Exchange/interfaces/IExchange.sol";
-import "../../protocol/Exchange/libs/LibOrder.sol";
-import "../../utils/Ownable/Ownable.sol";
-
-
-contract Whitelist is
- Ownable
-{
-
- // Mapping of address => whitelist status.
- mapping (address => bool) public isWhitelisted;
-
- // Exchange contract.
- // solhint-disable var-name-mixedcase
- IExchange internal EXCHANGE;
- bytes internal TX_ORIGIN_SIGNATURE;
- // solhint-enable var-name-mixedcase
-
- byte constant internal VALIDATOR_SIGNATURE_BYTE = "\x06";
-
- constructor (address _exchange)
- public
- {
- EXCHANGE = IExchange(_exchange);
- TX_ORIGIN_SIGNATURE = abi.encodePacked(address(this), VALIDATOR_SIGNATURE_BYTE);
- }
-
- /// @dev Adds or removes an address from the whitelist.
- /// @param target Address to add or remove from whitelist.
- /// @param isApproved Whitelist status to assign to address.
- function updateWhitelistStatus(
- address target,
- bool isApproved
- )
- external
- onlyOwner
- {
- isWhitelisted[target] = isApproved;
- }
-
- /// @dev Verifies signer is same as signer of current Ethereum transaction.
- /// NOTE: This function can currently be used to validate signatures coming from outside of this contract.
- /// Extra safety checks can be added for a production contract.
- /// @param signerAddress Address that should have signed the given hash.
- /// @param signature Proof of signing.
- /// @return Validity of order signature.
- // solhint-disable no-unused-vars
- function isValidSignature(
- bytes32 hash,
- address signerAddress,
- bytes signature
- )
- external
- view
- returns (bool isValid)
- {
- // solhint-disable-next-line avoid-tx-origin
- return signerAddress == tx.origin;
- }
- // solhint-enable no-unused-vars
-
- /// @dev Fills an order using `msg.sender` as the taker.
- /// The transaction will revert if both the maker and taker are not whitelisted.
- /// Orders should specify this contract as the `senderAddress` in order to gaurantee
- /// that both maker and taker have been whitelisted.
- /// @param order Order struct containing order specifications.
- /// @param takerAssetFillAmount Desired amount of takerAsset to sell.
- /// @param salt Arbitrary value to gaurantee uniqueness of 0x transaction hash.
- /// @param orderSignature Proof that order has been created by maker.
- function fillOrderIfWhitelisted(
- LibOrder.Order memory order,
- uint256 takerAssetFillAmount,
- uint256 salt,
- bytes memory orderSignature
- )
- public
- {
- address takerAddress = msg.sender;
-
- // This contract must be the entry point for the transaction.
- require(
- // solhint-disable-next-line avoid-tx-origin
- takerAddress == tx.origin,
- "INVALID_SENDER"
- );
-
- // Check if maker is on the whitelist.
- require(
- isWhitelisted[order.makerAddress],
- "MAKER_NOT_WHITELISTED"
- );
-
- // Check if taker is on the whitelist.
- require(
- isWhitelisted[takerAddress],
- "TAKER_NOT_WHITELISTED"
- );
-
- // Encode arguments into byte array.
- bytes memory data = abi.encodeWithSelector(
- EXCHANGE.fillOrder.selector,
- order,
- takerAssetFillAmount,
- orderSignature
- );
-
- // Call `fillOrder` via `executeTransaction`.
- EXCHANGE.executeTransaction(
- salt,
- takerAddress,
- data,
- TX_ORIGIN_SIGNATURE
- );
- }
-}