Feature Tip: Add private address tag to any address under My Name Tag !
ERC-20
Overview
Max Total Supply
86,804.851668816111719071 DTOP
Holders
378
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.000000175550215979 DTOPValue
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
InitializableUpgradeabilityProxy
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2021-04-09 */ // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // // File: contracts/ISynthetix.sol pragma solidity ^0.6.2; interface ISynthetix { function exchange( bytes32 sourceCurrencyKey, uint256 sourceAmount, bytes32 destinationCurrencyKey ) external returns (uint256 amountReceived); function exchangeWithTracking( bytes32 sourceCurrencyKey, uint256 sourceAmount, bytes32 destinationCurrencyKey, address originator, bytes32 trackingCode ) external returns (uint256 amountReceived); function synths(bytes32 key) external view returns (address synthTokenAddress); function settle(bytes32 currencyKey) external returns ( uint256 reclaimed, uint256 refunded, uint256 numEntriesSettled ); } // File: contracts/IExchangeRates.sol pragma solidity ^0.6.2; interface IExchangeRates { function effectiveValue( bytes32 sourceCurrencyKey, uint256 sourceAmount, bytes32 destinationCurrencyKey ) external view returns (uint256); function rateForCurrency(bytes32 currencyKey) external view returns (uint256); } // File: contracts/IAddressResolver.sol pragma solidity ^0.6.2; interface IAddressResolver { function getAddress(bytes32 name) external view returns (address); } // File: contracts/IExchanger.sol pragma solidity ^0.6.2; interface IExchanger { function settle(address from, bytes32 currencyKey) external returns ( uint reclaimed, uint refunded, uint numEntries ); function maxSecsLeftInWaitingPeriod(address account, bytes32 currencyKey) external view returns (uint); function settlementOwing(address account, bytes32 currencyKey) external view returns ( uint reclaimAmount, uint rebateAmount, uint numEntries ); } // File: contracts/ISynth.sol pragma solidity ^0.6.2; interface ISynth { function proxy() external view returns (address); // Mutative functions function transferAndSettle(address to, uint256 value) external returns (bool); function transferFromAndSettle( address from, address to, uint256 value ) external returns (bool); } // File: contracts/ISystemStatus.sol pragma solidity ^0.6.2; interface ISystemStatus { struct Status { bool canSuspend; bool canResume; } struct Suspension { bool suspended; // reason is an integer code, // 0 => no reason, 1 => upgrading, 2+ => defined by system usage uint248 reason; } // Views // function getSynthExchangeSuspensions(bytes32[] calldata synths) // external // view // returns (bool[] memory exchangeSuspensions, uint256[] memory reasons); function synthExchangeSuspension(bytes32 currencyKey) external view returns (bool suspended, uint248 reason); } // File: @openzeppelin/contracts-ethereum-package/contracts/Initializable.sol pragma solidity >=0.4.24 <0.7.0; /** * @title Initializable * * @dev Helper contract to support initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. */ contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized"); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; initialized = true; } _; if (isTopLevelCall) { initializing = false; } } /// @dev Returns true if and only if the function is running in the constructor function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. address self = address(this); uint256 cs; assembly { cs := extcodesize(self) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; } // File: @openzeppelin/contracts-ethereum-package/contracts/math/SafeMath.sol pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // File: contracts/Managed.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.0; contract Managed is Initializable { using SafeMath for uint256; event ManagerUpdated(address newManager, string newManagerName); address private _manager; string private _managerName; address[] private _memberList; mapping(address => uint256) private _memberPosition; address private _trader; function initialize(address manager, string memory managerName) internal initializer { _manager = manager; _managerName = managerName; } modifier onlyManager() { require(msg.sender == _manager, "only manager"); _; } modifier onlyManagerOrTrader() { require(msg.sender == _manager || msg.sender == _trader, "only manager or trader"); _; } function managerName() public view returns (string memory) { return _managerName; } function manager() public view returns (address) { return _manager; } function isMemberAllowed(address member) public view returns (bool) { return _memberPosition[member] != 0; } function getMembers() public view returns (address[] memory) { return _memberList; } function changeManager(address newManager, string memory newManagerName) public onlyManager { _manager = newManager; _managerName = newManagerName; emit ManagerUpdated(newManager, newManagerName); } function addMembers(address[] memory members) public onlyManager { for (uint256 i = 0; i < members.length; i++) { if (isMemberAllowed(members[i])) continue; _addMember(members[i]); } } function removeMembers(address[] memory members) public onlyManager { for (uint256 i = 0; i < members.length; i++) { if (!isMemberAllowed(members[i])) continue; _removeMember(members[i]); } } function addMember(address member) public onlyManager { if (isMemberAllowed(member)) return; _addMember(member); } function removeMember(address member) public onlyManager { if (!isMemberAllowed(member)) return; _removeMember(member); } function trader() public view returns (address) { return _trader; } function setTrader(address newTrader) public onlyManager { _trader = newTrader; } function removeTrader() public onlyManager { _trader = address(0); } function numberOfMembers() public view returns (uint256) { return _memberList.length; } function _addMember(address member) internal { _memberList.push(member); _memberPosition[member] = _memberList.length; } function _removeMember(address member) internal { uint256 length = _memberList.length; uint256 index = _memberPosition[member].sub(1); address lastMember = _memberList[length.sub(1)]; _memberList[index] = lastMember; _memberPosition[lastMember] = index.add(1); _memberPosition[member] = 0; _memberList.pop(); } uint256[49] private __gap; } // File: contracts/IHasDaoInfo.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IHasDaoInfo { function getDaoFee() external view returns (uint256, uint256); function getDaoAddress() external view returns (address); function getAddressResolver() external view returns (IAddressResolver); } // File: contracts/IHasProtocolDaoInfo.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IHasProtocolDaoInfo { function owner() external view returns (address); } // File: contracts/IHasFeeInfo.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IHasFeeInfo { // Manager fee function getPoolManagerFee(address pool) external view returns (uint256, uint256); function setPoolManagerFeeNumerator(address pool, uint256 numerator) external; function getMaximumManagerFeeNumeratorChange() external view returns (uint256); function getManagerFeeNumeratorChangeDelay() external view returns (uint256); // Exit fee function getExitFee() external view returns (uint256, uint256); function getExitFeeCooldown() external view returns (uint256); // Synthetix tracking function getTrackingCode() external view returns (bytes32); } // File: contracts/IHasAssetInfo.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IHasAssetInfo { function getMaximumSupportedAssetCount() external view returns (uint256); } // File: contracts/IReceivesUpgrade.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IReceivesUpgrade { function receiveUpgrade(uint256 targetVersion) external; } // File: contracts/IHasDhptSwapInfo.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface IHasDhptSwapInfo { // DHPT Swap Address function getDhptSwapAddress() external view returns (address); } // File: @openzeppelin/contracts-ethereum-package/contracts/token/ERC20/IERC20.sol pragma solidity ^0.6.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); } // File: @openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ contract ContextUpgradeSafe is Initializable { // Empty internal constructor, to prevent people from mistakenly deploying // an instance of this contract, which should be used via inheritance. function __Context_init() internal initializer { __Context_init_unchained(); } function __Context_init_unchained() internal initializer { } function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } uint256[50] private __gap; } // File: @openzeppelin/contracts-ethereum-package/contracts/utils/Address.sol pragma solidity ^0.6.2; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } } // File: @openzeppelin/contracts-ethereum-package/contracts/token/ERC20/ERC20.sol pragma solidity ^0.6.0; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20MinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20UpgradeSafe is Initializable, ContextUpgradeSafe, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ function __ERC20_init(string memory name, string memory symbol) internal initializer { __Context_init_unchained(); __ERC20_init_unchained(name, symbol); } function __ERC20_init_unchained(string memory name, string memory symbol) internal initializer { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } uint256[44] private __gap; } // File: contracts/DHedge.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; contract DHedge is Initializable, ERC20UpgradeSafe, Managed, IReceivesUpgrade { using SafeMath for uint256; bytes32 constant private _EXCHANGE_RATES_KEY = "ExchangeRates"; bytes32 constant private _SYNTHETIX_KEY = "Synthetix"; bytes32 constant private _EXCHANGER_KEY = "Exchanger"; bytes32 constant private _SYSTEM_STATUS_KEY = "SystemStatus"; bytes32 constant private _SUSD_KEY = "sUSD"; event Deposit( address fundAddress, address investor, uint256 valueDeposited, uint256 fundTokensReceived, uint256 totalInvestorFundTokens, uint256 fundValue, uint256 totalSupply, uint256 time ); event Withdrawal( address fundAddress, address investor, uint256 valueWithdrawn, uint256 fundTokensWithdrawn, uint256 totalInvestorFundTokens, uint256 fundValue, uint256 totalSupply, uint256 time ); event Exchange( address fundAddress, address manager, bytes32 sourceKey, uint256 sourceAmount, bytes32 destinationKey, uint256 destinationAmount, uint256 time ); event AssetAdded(address fundAddress, address manager, bytes32 assetKey); event AssetRemoved(address fundAddress, address manager, bytes32 assetKey); event PoolPrivacyUpdated(bool isPoolPrivate); event ManagerFeeMinted( address pool, address manager, uint256 available, uint256 daoFee, uint256 managerFee, uint256 tokenPriceAtLastFeeMint ); event ManagerFeeSet( address fundAddress, address manager, uint256 numerator, uint256 denominator ); event ManagerFeeIncreaseAnnounced( uint256 newNumerator, uint256 announcedFeeActivationTime); event ManagerFeeIncreaseRenounced(); bool public privatePool; address public creator; uint256 public creationTime; IAddressResolver public addressResolver; address public factory; bytes32[] public supportedAssets; mapping(bytes32 => uint256) public assetPosition; // maps the asset to its 1-based position mapping(bytes32 => bool) public persistentAsset; // Manager fees uint256 public tokenPriceAtLastFeeMint; mapping(address => uint256) public lastDeposit; // Fee increase announcement uint256 public announcedFeeIncreaseNumerator; uint256 public announcedFeeIncreaseTimestamp; modifier onlyPrivate() { require( msg.sender == manager() || !privatePool || isMemberAllowed(msg.sender), "only members allowed" ); _; } function initialize( address _factory, bool _privatePool, address _manager, string memory _managerName, string memory _fundName, string memory _fundSymbol, IAddressResolver _addressResolver, bytes32[] memory _supportedAssets ) public initializer { ERC20UpgradeSafe.__ERC20_init(_fundName, _fundSymbol); Managed.initialize(_manager, _managerName); factory = _factory; _setPoolPrivacy(_privatePool); creator = msg.sender; creationTime = block.timestamp; addressResolver = _addressResolver; _addToSupportedAssets(_SUSD_KEY); for(uint8 i = 0; i < _supportedAssets.length; i++) { _addToSupportedAssets(_supportedAssets[i]); } // Set persistent assets persistentAsset[_SUSD_KEY] = true; tokenPriceAtLastFeeMint = 10**18; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override { super._beforeTokenTransfer(from, to, amount); require(getExitFeeRemainingCooldown(from) == 0, "cooldown active"); } function setPoolPrivate(bool _privatePool) public onlyManager { require(privatePool != _privatePool, "flag must be different"); _setPoolPrivacy(_privatePool); } function _setPoolPrivacy(bool _privacy) internal { privatePool = _privacy; emit PoolPrivacyUpdated(_privacy); } function getAssetProxy(bytes32 key) public view returns (address) { address synth = ISynthetix(addressResolver.getAddress(_SYNTHETIX_KEY)) .synths(key); require(synth != address(0), "invalid key"); address proxy = ISynth(synth).proxy(); require(proxy != address(0), "invalid proxy"); return proxy; } function isAssetSupported(bytes32 key) public view returns (bool) { return assetPosition[key] != 0; } function validateAsset(bytes32 key) public view returns (bool) { address synth = ISynthetix(addressResolver.getAddress(_SYNTHETIX_KEY)) .synths(key); if (synth == address(0)) return false; address proxy = ISynth(synth).proxy(); if (proxy == address(0)) return false; return true; } function addToSupportedAssets(bytes32 key) public onlyManagerOrTrader { _addToSupportedAssets(key); } function removeFromSupportedAssets(bytes32 key) public { require(msg.sender == IHasProtocolDaoInfo(factory).owner() || msg.sender == manager() || msg.sender == trader(), "only manager, trader or Protocol DAO"); require(isAssetSupported(key), "asset not supported"); require(!persistentAsset[key], "persistent assets can't be removed"); if (validateAsset(key) == true) { // allow removal of depreciated synths require( IERC20(getAssetProxy(key)).balanceOf(address(this)) == 0, "non-empty asset cannot be removed" ); } _removeFromSupportedAssets(key); } function numberOfSupportedAssets() public view returns (uint256) { return supportedAssets.length; } // Unsafe internal method that assumes we are not adding a duplicate function _addToSupportedAssets(bytes32 key) internal { require(supportedAssets.length < IHasAssetInfo(factory).getMaximumSupportedAssetCount(), "maximum assets reached"); require(!isAssetSupported(key), "asset already supported"); require(validateAsset(key) == true, "not an asset"); supportedAssets.push(key); assetPosition[key] = supportedAssets.length; emit AssetAdded(address(this), manager(), key); } // Unsafe internal method that assumes we are removing an element that exists function _removeFromSupportedAssets(bytes32 key) internal { uint256 length = supportedAssets.length; uint256 index = assetPosition[key].sub(1); // adjusting the index because the map stores 1-based bytes32 lastAsset = supportedAssets[length.sub(1)]; // overwrite the asset to be removed with the last supported asset supportedAssets[index] = lastAsset; assetPosition[lastAsset] = index.add(1); // adjusting the index to be 1-based assetPosition[key] = 0; // update the map // delete the last supported asset and resize the array supportedAssets.pop(); emit AssetRemoved(address(this), manager(), key); } function exchange( bytes32 sourceKey, uint256 sourceAmount, bytes32 destinationKey ) public onlyManagerOrTrader { require(isAssetSupported(sourceKey), "unsupported source currency"); require( isAssetSupported(destinationKey), "unsupported destination currency" ); ISynthetix sx = ISynthetix(addressResolver.getAddress(_SYNTHETIX_KEY)); uint256 destinationAmount = sx.exchangeWithTracking( sourceKey, sourceAmount, destinationKey, IHasDaoInfo(factory).getDaoAddress(), IHasFeeInfo(factory).getTrackingCode() ); emit Exchange( address(this), msg.sender, sourceKey, sourceAmount, destinationKey, destinationAmount, block.timestamp ); } function totalFundValue() public virtual view returns (uint256) { uint256 total = 0; uint256 assetCount = supportedAssets.length; for (uint256 i = 0; i < assetCount; i++) { total = total.add(assetValue(supportedAssets[i])); } return total; } function assetValue(bytes32 key) public view returns (uint256) { return IExchangeRates(addressResolver.getAddress(_EXCHANGE_RATES_KEY)) .effectiveValue( key, IERC20(getAssetProxy(key)).balanceOf(address(this)), _SUSD_KEY ); } function deposit(uint256 _susdAmount) public onlyPrivate returns (uint256) { lastDeposit[msg.sender] = block.timestamp; //we need to settle all the assets before determining the total fund value for calculating manager fees //as an optimisation it also returns current fundValue uint256 fundValue = mintManagerFee(true); uint256 totalSupplyBefore = totalSupply(); IExchanger sx = IExchanger(addressResolver.getAddress(_EXCHANGER_KEY)); require( IERC20(getAssetProxy(_SUSD_KEY)).transferFrom( msg.sender, address(this), _susdAmount ), "token transfer failed" ); uint256 liquidityMinted; if (totalSupplyBefore > 0) { //total balance converted to susd that this contract holds //need to calculate total value of synths in this contract liquidityMinted = _susdAmount.mul(totalSupplyBefore).div(fundValue); } else { liquidityMinted = _susdAmount; } _mint(msg.sender, liquidityMinted); emit Deposit( address(this), msg.sender, _susdAmount, liquidityMinted, balanceOf(msg.sender), fundValue.add(_susdAmount), totalSupplyBefore.add(liquidityMinted), block.timestamp ); return liquidityMinted; } function _settleAll(bool failOnSuspended) internal { ISynthetix sx = ISynthetix(addressResolver.getAddress(_SYNTHETIX_KEY)); ISystemStatus status = ISystemStatus(addressResolver.getAddress(_SYSTEM_STATUS_KEY)); uint256 assetCount = supportedAssets.length; for (uint256 i = 0; i < assetCount; i++) { address proxy = getAssetProxy(supportedAssets[i]); uint256 totalAssetBalance = IERC20(proxy).balanceOf(address(this)); if (totalAssetBalance > 0) { sx.settle(supportedAssets[i]); if (failOnSuspended) { (bool suspended, ) = status.synthExchangeSuspension(supportedAssets[i]); require(!suspended , "required asset is suspended"); } } } } function withdraw(uint256 _fundTokenAmount) public virtual { require( balanceOf(msg.sender) >= _fundTokenAmount, "insufficient balance of fund tokens" ); require( getExitFeeRemainingCooldown(msg.sender) == 0, "cooldown active" ); uint256 fundValue = mintManagerFee(false); uint256 valueWithdrawn = _fundTokenAmount.mul(fundValue).div(totalSupply()); //calculate the proportion uint256 portion = _fundTokenAmount.mul(10**18).div(totalSupply()); //first return funded tokens _burn(msg.sender, _fundTokenAmount); uint256 assetCount = supportedAssets.length; for (uint256 i = 0; i < assetCount; i++) { address proxy = getAssetProxy(supportedAssets[i]); uint256 totalAssetBalance = IERC20(proxy).balanceOf(address(this)); uint256 portionOfAssetBalance = totalAssetBalance.mul(portion).div(10**18); if (portionOfAssetBalance > 0) { IERC20(proxy).transfer(msg.sender, portionOfAssetBalance); } } emit Withdrawal( address(this), msg.sender, valueWithdrawn, _fundTokenAmount, balanceOf(msg.sender), fundValue.sub(valueWithdrawn), totalSupply(), block.timestamp ); } function getFundSummary() public view returns ( string memory, uint256, uint256, address, string memory, uint256, bool, uint256, uint256, uint256, uint256 ) { uint256 managerFeeNumerator; uint256 managerFeeDenominator; (managerFeeNumerator, managerFeeDenominator) = IHasFeeInfo(factory).getPoolManagerFee(address(this)); uint256 exitFeeNumerator = 0; uint256 exitFeeDenominator = 1; return ( name(), totalSupply(), totalFundValue(), manager(), managerName(), creationTime, privatePool, managerFeeNumerator, managerFeeDenominator, exitFeeNumerator, exitFeeDenominator ); } function getSupportedAssets() public view returns (bytes32[] memory) { return supportedAssets; } function getFundComposition() public view returns ( bytes32[] memory, uint256[] memory, uint256[] memory ) { uint256 assetCount = supportedAssets.length; bytes32[] memory assets = new bytes32[](assetCount); uint256[] memory balances = new uint256[](assetCount); uint256[] memory rates = new uint256[](assetCount); IExchangeRates exchangeRates = IExchangeRates( addressResolver.getAddress(_EXCHANGE_RATES_KEY) ); for (uint256 i = 0; i < assetCount; i++) { bytes32 asset = supportedAssets[i]; balances[i] = IERC20(getAssetProxy(asset)).balanceOf(address(this)); assets[i] = asset; rates[i] = exchangeRates.rateForCurrency(asset); } return (assets, balances, rates); } function getWaitingPeriods() public view returns ( bytes32[] memory, uint256[] memory ) { uint256 assetCount = supportedAssets.length; bytes32[] memory assets = new bytes32[](assetCount); uint256[] memory periods = new uint256[](assetCount); IExchanger exchanger = IExchanger(addressResolver.getAddress(_EXCHANGER_KEY)); for (uint256 i = 0; i < assetCount; i++) { bytes32 asset = supportedAssets[i]; assets[i] = asset; periods[i] = exchanger.maxSecsLeftInWaitingPeriod(address(this), asset); } return (assets, periods); } // MANAGER FEES function tokenPrice() public view returns (uint256) { uint256 fundValue = totalFundValue(); uint256 tokenSupply = totalSupply(); return _tokenPrice(fundValue, tokenSupply); } function _tokenPrice(uint256 _fundValue, uint256 _tokenSupply) internal pure returns (uint256) { if (_tokenSupply == 0 || _fundValue == 0) return 0; return _fundValue.mul(10**18).div(_tokenSupply); } function availableManagerFee() public view returns (uint256) { uint256 fundValue = totalFundValue(); uint256 tokenSupply = totalSupply(); uint256 managerFeeNumerator; uint256 managerFeeDenominator; (managerFeeNumerator, managerFeeDenominator) = IHasFeeInfo(factory).getPoolManagerFee(address(this)); return _availableManagerFee( fundValue, tokenSupply, tokenPriceAtLastFeeMint, managerFeeNumerator, managerFeeDenominator ); } function _availableManagerFee( uint256 _fundValue, uint256 _tokenSupply, uint256 _lastFeeMintPrice, uint256 _feeNumerator, uint256 _feeDenominator ) internal pure returns (uint256) { if (_tokenSupply == 0 || _fundValue == 0) return 0; uint256 currentTokenPrice = _fundValue.mul(10**18).div(_tokenSupply); if (currentTokenPrice <= _lastFeeMintPrice) return 0; uint256 available = currentTokenPrice .sub(_lastFeeMintPrice) .mul(_tokenSupply) .mul(_feeNumerator) .div(_feeDenominator) .div(currentTokenPrice); return available; } //returns uint256 fundValue as a gas optimisation function mintManagerFee(bool failOnSuspended) public returns (uint256) { //we need to settle all the assets before minting the manager fee _settleAll(failOnSuspended); uint256 fundValue = totalFundValue(); uint256 tokenSupply = totalSupply(); uint256 managerFeeNumerator; uint256 managerFeeDenominator; (managerFeeNumerator, managerFeeDenominator) = IHasFeeInfo(factory).getPoolManagerFee(address(this)); uint256 available = _availableManagerFee( fundValue, tokenSupply, tokenPriceAtLastFeeMint, managerFeeNumerator, managerFeeDenominator ); // Ignore dust when minting performance fees if (available < 100) return fundValue; address daoAddress = IHasDaoInfo(factory).getDaoAddress(); uint256 daoFeeNumerator; uint256 daoFeeDenominator; (daoFeeNumerator, daoFeeDenominator) = IHasDaoInfo(factory).getDaoFee(); uint256 daoFee = available.mul(daoFeeNumerator).div(daoFeeDenominator); uint256 managerFee = available.sub(daoFee); if (daoFee > 0) _mint(daoAddress, daoFee); if (managerFee > 0) _mint(manager(), managerFee); tokenPriceAtLastFeeMint = _tokenPrice(fundValue, tokenSupply); emit ManagerFeeMinted( address(this), manager(), available, daoFee, managerFee, tokenPriceAtLastFeeMint ); return fundValue; } function getManagerFee() public view returns (uint256, uint256) { return IHasFeeInfo(factory).getPoolManagerFee(address(this)); } function setManagerFeeNumerator(uint256 numerator) public onlyManager { uint256 managerFeeNumerator; uint256 managerFeeDenominator; (managerFeeNumerator, managerFeeDenominator) = IHasFeeInfo(factory).getPoolManagerFee(address(this)); require(numerator < managerFeeNumerator, "manager fee too high"); IHasFeeInfo(factory).setPoolManagerFeeNumerator(address(this), numerator); emit ManagerFeeSet( address(this), manager(), numerator, managerFeeDenominator ); } function _setManagerFeeNumerator(uint256 numerator) internal { IHasFeeInfo(factory).setPoolManagerFeeNumerator(address(this), numerator); uint256 managerFeeNumerator; uint256 managerFeeDenominator; (managerFeeNumerator, managerFeeDenominator) = IHasFeeInfo(factory).getPoolManagerFee(address(this)); emit ManagerFeeSet( address(this), manager(), managerFeeNumerator, managerFeeDenominator ); } function announceManagerFeeIncrease(uint256 numerator) public onlyManager { uint256 maximumAllowedChange = IHasFeeInfo(factory).getMaximumManagerFeeNumeratorChange(); uint256 currentFeeNumerator; (currentFeeNumerator, ) = getManagerFee(); require (numerator <= currentFeeNumerator.add(maximumAllowedChange), "exceeded allowed increase"); uint256 feeChangeDelay = IHasFeeInfo(factory).getManagerFeeNumeratorChangeDelay(); announcedFeeIncreaseNumerator = numerator; announcedFeeIncreaseTimestamp = block.timestamp + feeChangeDelay; emit ManagerFeeIncreaseAnnounced(numerator, announcedFeeIncreaseTimestamp); } function renounceManagerFeeIncrease() public onlyManager { announcedFeeIncreaseNumerator = 0; announcedFeeIncreaseTimestamp = 0; emit ManagerFeeIncreaseRenounced(); } function commitManagerFeeIncrease() public onlyManager { require(block.timestamp >= announcedFeeIncreaseTimestamp, "fee increase delay active"); _setManagerFeeNumerator(announcedFeeIncreaseNumerator); announcedFeeIncreaseNumerator = 0; announcedFeeIncreaseTimestamp = 0; } function getManagerFeeIncreaseInfo() public view returns (uint256, uint256) { return (announcedFeeIncreaseNumerator, announcedFeeIncreaseTimestamp); } // Exit fees function getExitFee() external view returns (uint256, uint256) { return (0, 1); } function getExitFeeCooldown() external view returns (uint256) { return IHasFeeInfo(factory).getExitFeeCooldown(); } function getExitFeeRemainingCooldown(address sender) public view returns (uint256) { uint256 cooldown = IHasFeeInfo(factory).getExitFeeCooldown(); uint256 cooldownFinished = lastDeposit[sender].add(cooldown); if (cooldownFinished < block.timestamp) return 0; return cooldownFinished.sub(block.timestamp); } // Swap contract function setLastDeposit(address investor) public onlyDhptSwap { lastDeposit[investor] = block.timestamp; } modifier onlyDhptSwap() { address dhptSwapAddress = IHasDhptSwapInfo(factory) .getDhptSwapAddress(); require(msg.sender == dhptSwapAddress, "only swap contract"); _; } // Upgrade function receiveUpgrade(uint256 targetVersion) external override{ require(msg.sender == factory, "no permission"); if (targetVersion == 1) { addressResolver = IAddressResolver(0x4E3b31eB0E5CB73641EE1E65E7dCEFe520bA3ef2); return; } require(false, "upgrade handler not found"); } uint256[50] private __gap; } // File: contracts/upgradability/Proxy.sol pragma solidity ^0.6.2; /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ abstract contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ fallback() external payable { _fallback(); } receive() external payable { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal virtual view returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall( gas(), implementation, 0, calldatasize(), 0, 0 ) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal virtual {} /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: contracts/upgradability/Address.sol pragma solidity ^0.6.2; /** * Utility library of inline functions on addresses * * Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/utils/Address.sol * This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts * when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the * build/artifacts folder) as well as the vanilla Address implementation from an openzeppelin version. */ library OpenZeppelinUpgradesAddress { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param account address of the account to check * @return whether the target address is a contract */ function isContract(address account) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } } // File: contracts/upgradability/HasLogic.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; interface HasLogic { function getLogic() external view returns (address); } // File: contracts/upgradability/BaseUpgradeabilityProxy.sol pragma solidity ^0.6.2; /** * @title BaseUpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract BaseUpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address indexed implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation. * @return impl Address of the current implementation */ function _implementation() internal override view returns (address) { address factory; bytes32 slot = IMPLEMENTATION_SLOT; assembly { factory := sload(slot) } // Begin custom modification if (factory == address(0x0)) return address(0x0); // If factory not initialized return empty return HasLogic(factory).getLogic(); } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) internal { require( OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address" ); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: contracts/upgradability/InitializableUpgradeabilityProxy.sol pragma solidity ^0.6.2; /** * @title InitializableUpgradeabilityProxy * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing * implementation and init data. */ contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy { /** * @dev Contract initializer. * @param _factory Address of the factory containing the implementation. * @param _data Data to send as msg.data to the implementation to initialize the proxied contract. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped. */ function initialize(address _factory, bytes memory _data) public payable { require(_implementation() == address(0), "Impl not zero"); assert( IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1) ); _setImplementation(_factory); if (_data.length > 0) { (bool success, ) = _implementation().delegatecall(_data); require(success); } } } // File: @openzeppelin/contracts-ethereum-package/contracts/access/Ownable.sol pragma solidity ^0.6.0; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract OwnableUpgradeSafe is Initializable, ContextUpgradeSafe { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal initializer { __Context_init_unchained(); __Ownable_init_unchained(); } function __Ownable_init_unchained() internal initializer { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } uint256[49] private __gap; } // File: contracts/upgradability/ProxyFactory.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; contract ProxyFactory is OwnableUpgradeSafe, HasLogic { event ProxyCreated(address proxy); address private _logic; function __ProxyFactory_init(address poolLogic) public initializer { OwnableUpgradeSafe.__Ownable_init(); _logic = poolLogic; } function setLogic(address logic) public onlyOwner { _logic = logic; } function getLogic() public override view returns (address) { return _logic; } function deploy(bytes memory _data) public returns (address) { return _deployProxy(_data); } function _deployProxy(bytes memory _data) internal returns (address) { InitializableUpgradeabilityProxy proxy = _createProxy(); emit ProxyCreated(address(proxy)); proxy.initialize(address(this), _data); return address(proxy); } function _createProxy() internal returns (InitializableUpgradeabilityProxy) { address payable addr; bytes memory code = type(InitializableUpgradeabilityProxy).creationCode; assembly { addr := create(0, add(code, 0x20), mload(code)) if iszero(extcodesize(addr)) { revert(0, 0) } } return InitializableUpgradeabilityProxy(addr); } uint256[50] private __gap; } // File: contracts/DHedgeFactory.sol // // __ __ __ ________ _______ ______ ________ // / |/ | / |/ |/ \ / \ / | // ____$$ |$$ | $$ |$$$$$$$$/ $$$$$$$ |/$$$$$$ |$$$$$$$$/ // / $$ |$$ |__$$ |$$ |__ $$ | $$ |$$ | _$$/ $$ |__ // /$$$$$$$ |$$ $$ |$$ | $$ | $$ |$$ |/ |$$ | // $$ | $$ |$$$$$$$$ |$$$$$/ $$ | $$ |$$ |$$$$ |$$$$$/ // $$ \__$$ |$$ | $$ |$$ |_____ $$ |__$$ |$$ \__$$ |$$ |_____ // $$ $$ |$$ | $$ |$$ |$$ $$/ $$ $$/ $$ | // $$$$$$$/ $$/ $$/ $$$$$$$$/ $$$$$$$/ $$$$$$/ $$$$$$$$/ // // dHEDGE DAO - https://dhedge.org // // MIT License // =========== // // Copyright (c) 2020 dHEDGE DAO // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // pragma solidity ^0.6.2; contract DHedgeFactory is ProxyFactory, IHasDaoInfo, IHasFeeInfo, IHasAssetInfo, IHasDhptSwapInfo { using SafeMath for uint256; event FundCreated( address fundAddress, bool isPoolPrivate, string fundName, string managerName, address manager, uint256 time, uint256 managerFeeNumerator, uint256 managerFeeDenominator ); event DaoAddressSet(address dao); event DaoFeeSet(uint256 numerator, uint256 denominator); event ExitFeeSet(uint256 numerator, uint256 denominator); event ExitFeeCooldownSet(uint256 cooldown); event MaximumSupportedAssetCountSet(uint256 count); event DhptSwapAddressSet(address dhptSwap); IAddressResolver public addressResolver; address[] public deployedFunds; address internal _daoAddress; uint256 internal _daoFeeNumerator; uint256 internal _daoFeeDenominator; mapping (address => bool) public isPool; uint256 private _MAXIMUM_MANAGER_FEE_NUMERATOR; uint256 private _MANAGER_FEE_DENOMINATOR; mapping (address => uint256) public poolManagerFeeNumerator; mapping (address => uint256) public poolManagerFeeDenominator; uint256 internal _exitFeeNumerator; uint256 internal _exitFeeDenominator; uint256 internal _exitFeeCooldown; uint256 internal _maximumSupportedAssetCount; bytes32 internal _trackingCode; mapping (address => uint256) public poolVersion; uint256 public poolStorageVersion; address internal _dhptSwapAddress; uint256 public maximumManagerFeeNumeratorChange; uint256 public managerFeeNumeratorChangeDelay; function initialize( IAddressResolver _addressResolver, address _poolLogic, address daoAddress ) public initializer { ProxyFactory.__ProxyFactory_init(_poolLogic); addressResolver = _addressResolver; _setDaoAddress(daoAddress); _setMaximumManagerFee(5000, 10000); _setDaoFee(10, 100); // 10% _setExitFee(5, 1000); // 0.5% _setExitFeeCooldown(1 days); _setMaximumSupportedAssetCount(10); _setTrackingCode( 0x4448454447450000000000000000000000000000000000000000000000000000 ); } function createFund( bool _privatePool, address _manager, string memory _managerName, string memory _fundName, string memory _fundSymbol, uint256 _managerFeeNumerator, bytes32[] memory _supportedAssets ) public returns (address) { bytes memory data = abi.encodeWithSignature( "initialize(address,bool,address,string,string,string,address,bytes32[])", address(this), _privatePool, _manager, _managerName, _fundName, _fundSymbol, addressResolver, _supportedAssets ); address fund = deploy(data); deployedFunds.push(fund); isPool[fund] = true; poolVersion[fund] = poolStorageVersion; _setPoolManagerFee(fund, _managerFeeNumerator, _MANAGER_FEE_DENOMINATOR); emit FundCreated( fund, _privatePool, _fundName, _managerName, _manager, block.timestamp, _managerFeeNumerator, _MANAGER_FEE_DENOMINATOR ); return fund; } function deployedFundsLength() external view returns (uint256) { return deployedFunds.length; } function setAddressResolver(address _addressResolver) public onlyOwner { addressResolver = IAddressResolver(_addressResolver); } function getAddressResolver() public override view returns (IAddressResolver) { return addressResolver; } // DAO info function getDaoAddress() public override view returns (address) { return _daoAddress; } function setDaoAddress(address daoAddress) public onlyOwner { _setDaoAddress(daoAddress); } function _setDaoAddress(address daoAddress) internal { _daoAddress = daoAddress; emit DaoAddressSet(daoAddress); } function setDaoFee(uint256 numerator, uint256 denominator) public onlyOwner { _setDaoFee(numerator, denominator); } function _setDaoFee(uint256 numerator, uint256 denominator) internal { require(numerator <= denominator, "invalid fraction"); _daoFeeNumerator = numerator; _daoFeeDenominator = denominator; emit DaoFeeSet(numerator, denominator); } function getDaoFee() public override view returns (uint256, uint256) { return (_daoFeeNumerator, _daoFeeDenominator); } modifier onlyPool() { require( isPool[msg.sender] == true, "Only a pool contract can perform this action" ); _; } // Manager fees function getPoolManagerFee(address pool) external override view returns (uint256, uint256) { require(isPool[pool] == true, "supplied address is not a pool"); return (poolManagerFeeNumerator[pool], poolManagerFeeDenominator[pool]); } function setPoolManagerFeeNumerator(address pool, uint256 numerator) external override { require(pool == msg.sender && isPool[msg.sender] == true, "only a pool can change own fee"); require(isPool[pool] == true, "supplied address is not a pool"); require(numerator <= poolManagerFeeNumerator[pool].add(maximumManagerFeeNumeratorChange), "manager fee too high"); _setPoolManagerFee(msg.sender, numerator, _MANAGER_FEE_DENOMINATOR); } function _setPoolManagerFee(address pool, uint256 numerator, uint256 denominator) internal { require(numerator <= denominator && numerator <= _MAXIMUM_MANAGER_FEE_NUMERATOR, "invalid fraction"); poolManagerFeeNumerator[pool] = numerator; poolManagerFeeDenominator[pool] = denominator; } function getMaximumManagerFee() public view returns (uint256, uint256) { return (_MAXIMUM_MANAGER_FEE_NUMERATOR, _MANAGER_FEE_DENOMINATOR); } function _setMaximumManagerFee(uint256 numerator, uint256 denominator) internal { require(denominator > 0, "denominator must be positive"); _MAXIMUM_MANAGER_FEE_NUMERATOR = numerator; _MANAGER_FEE_DENOMINATOR = denominator; } function setMaximumManagerFeeNumeratorChange(uint256 amount) public onlyOwner { maximumManagerFeeNumeratorChange = amount; } function getMaximumManagerFeeNumeratorChange() public override view returns (uint256) { return maximumManagerFeeNumeratorChange; } function setManagerFeeNumeratorChangeDelay(uint256 delay) public onlyOwner { managerFeeNumeratorChangeDelay = delay; } function getManagerFeeNumeratorChangeDelay() public override view returns (uint256) { return managerFeeNumeratorChangeDelay; } // Exit fees function setExitFee(uint256 numerator, uint256 denominator) public onlyOwner { _setExitFee(numerator, denominator); } function _setExitFee(uint256 numerator, uint256 denominator) internal { require(numerator <= denominator, "invalid fraction"); _exitFeeNumerator = numerator; _exitFeeDenominator = denominator; emit ExitFeeSet(numerator, denominator); } function getExitFee() external override view returns (uint256, uint256) { return (_exitFeeNumerator, _exitFeeDenominator); } function setExitFeeCooldown(uint256 cooldown) external onlyOwner { _setExitFeeCooldown(cooldown); } function _setExitFeeCooldown(uint256 cooldown) internal { _exitFeeCooldown = cooldown; emit ExitFeeCooldownSet(cooldown); } function getExitFeeCooldown() public override view returns (uint256) { return _exitFeeCooldown; } // Asset Info function setMaximumSupportedAssetCount(uint256 count) external onlyOwner { _setMaximumSupportedAssetCount(count); } function _setMaximumSupportedAssetCount(uint256 count) internal { _maximumSupportedAssetCount = count; emit MaximumSupportedAssetCountSet(count); } function getMaximumSupportedAssetCount() external virtual view override returns (uint256) { return _maximumSupportedAssetCount; } // Synthetix tracking function setTrackingCode(bytes32 code) external onlyOwner { _setTrackingCode(code); } function _setTrackingCode(bytes32 code) internal { _trackingCode = code; } function getTrackingCode() public override view returns (bytes32) { return _trackingCode; } // DHPT Swap function getDhptSwapAddress() public override view returns (address) { return _dhptSwapAddress; } function setDhptSwapAddress(address dhptSwapAddress) public onlyOwner { _setDhptSwapAddress(dhptSwapAddress); } function _setDhptSwapAddress(address dhptSwapAddress) internal { _dhptSwapAddress = dhptSwapAddress; emit DhptSwapAddressSet(dhptSwapAddress); } // Upgrade function _upgradePool(address pool, uint256 targetVersion) internal { IReceivesUpgrade(pool).receiveUpgrade(targetVersion); poolVersion[pool] = targetVersion; } function upgradePoolBatch(uint256 startIndex, uint256 endIndex, uint256 sourceVersion, uint256 targetVersion) external onlyOwner { require(startIndex <= endIndex && startIndex < deployedFunds.length && endIndex < deployedFunds.length, "invalid bounds"); for (uint256 i = startIndex; i <= endIndex; i++) { address pool = deployedFunds[i]; if (poolVersion[pool] != sourceVersion) continue; _upgradePool(pool, targetVersion); } } function setPoolStorageVersion(uint256 version) external onlyOwner { require(version > poolStorageVersion, "invalid version"); poolStorageVersion = version; } uint256[48] private __gap; }
Contract Security Audit
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[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Deployed Bytecode
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Deployed Bytecode Sourcemap
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Swarm Source
ipfs://01b6de2999484679b2f7eac60ed7e3e7a755f921b64438900906c52243f18075
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