Contract Address Details

0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030500000000000000000000000079f10487a8c0ed4e09045841160d01a7ecb9624400000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000d52554e45204020456e657267690000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000056552554e45000000000000000000000000000000000000000000000000000000

Arg [0] (address) : 0x0000000000000000000000000000000000000000
Arg [1] (address) : 0x0000000000000000000000000000000000000305
Arg [2] (address) : 0x79f10487a8c0ed4e09045841160d01a7ecb96244
Arg [3] (string) : RUNE @ Energi
Arg [4] (string) : eRUNE
Arg [5] (uint8) : 18

              

pragma solidity 0.5.16;

// File: interfaces/IGovernedContract.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * Genesis version of GovernedContract interface.
 *
 * Base Consensus interface for upgradable contracts.
 * Unlike common approach, the implementation is NOT expected to be
 * called through delegatecall() to minimize risks of shared storage.
 *
 * NOTE: it MUST NOT change after blockchain launch!
 */
interface IGovernedContract {
    // Return actual proxy address for secure validation
    function proxy() external returns(address);
    // It must check that the caller is the proxy
    // and copy all required data from the old address.
    function migrate(IGovernedContract _oldImpl) external;
    // It must check that the caller is the proxy
    // and self destruct to the new address.
    function destroy(IGovernedContract _newImpl) external;
    // function () external payable; // This line (from original Energi IGovernedContract) is commented because it
    // makes truffle migrations fail
}
// File: GovernedContract.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * Genesis version of GovernedContract common base.
 *
 * Base Consensus interface for upgradable contracts.
 * Unlike common approach, the implementation is NOT expected to be
 * called through delegatecall() to minimize risks of shared storage.
 *
 * NOTE: it MUST NOT change after blockchain launch!
 */
contract GovernedContract is IGovernedContract {
    address public proxy;
    constructor(address _proxy) public {
        proxy = _proxy;
    }
    modifier requireProxy {
        require(msg.sender == proxy, "Not proxy");
        _;
    }
    function migrate(IGovernedContract _oldImpl) external requireProxy {
        _migrate(_oldImpl);
    }
    function destroy(IGovernedContract _newImpl) external requireProxy {
        _destroy(_newImpl);
        selfdestruct(address(uint160(address(_newImpl))));
    }
    // solium-disable-next-line no-empty-blocks
    function _migrate(IGovernedContract) internal {}
    // solium-disable-next-line no-empty-blocks
    function _destroy(IGovernedContract) internal {}
    function _callerAddress()
        internal view
        returns (address payable)
    {
        if (msg.sender == proxy) {
            // This is guarantee of the GovernedProxy
            // solium-disable-next-line security/no-tx-origin
            return tx.origin;
        } else {
            return msg.sender;
        }
    }
}
// File: interfaces/IProposal.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
interface IProposal {
    function parent() external view returns(address);
    function created_block() external view returns(uint);
    function deadline() external view returns(uint);
    function fee_payer() external view returns(address payable);
    function fee_amount() external view returns(uint);
    function accepted_weight() external view returns(uint);
    function rejected_weight() external view returns(uint);
    function total_weight() external view returns(uint);
    function quorum_weight() external view returns(uint);
    function isFinished() external view returns(bool);
    function isAccepted() external view returns(bool);
    function withdraw() external;
    function destroy() external;
    function collect() external;
    function voteAccept() external;
    function voteReject() external;
    function setFee() external payable;
    function canVote(address owner) external view returns(bool);
}
// File: interfaces/IUpgradeProposal.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * Interface of UpgradeProposal
 */
contract IUpgradeProposal is IProposal {
    function impl() external view returns(IGovernedContract);
}
// File: interfaces/IGovernedProxy.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
//pragma experimental SMTChecker;
/**
 * Genesis version of IGovernedProxy interface.
 *
 * Base Consensus interface for upgradable contracts proxy.
 * Unlike common approach, the implementation is NOT expected to be
 * called through delegatecall() to minimize risks of shared storage.
 *
 * NOTE: it MUST NOT change after blockchain launch!
 */
interface IGovernedProxy {
    event UpgradeProposal(
        IGovernedContract indexed impl,
        IUpgradeProposal proposal
    );
    event Upgraded(
        IGovernedContract indexed impl,
        IUpgradeProposal proposal
    );
    function impl() external view returns(IGovernedContract);
    function proposeUpgrade(IGovernedContract _newImpl, uint _period)
        external payable returns(IUpgradeProposal);
    function upgrade(IUpgradeProposal _proposal) external;
    function upgradeProposalImpl(IUpgradeProposal _proposal) external view returns(IGovernedContract new_impl);
    function listUpgradeProposals() external view returns(IUpgradeProposal[] memory proposals);
    function collectUpgradeProposal(IUpgradeProposal _proposal) external;
    function () external payable;
}
// File: interfaces/IGovernedERC20Proxy.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * Genesis version of IGovernedProxy interface.
 *
 * Base Consensus interface for upgradable contracts proxy.
 * Unlike common approach, the implementation is NOT expected to be
 * called through delegatecall() to minimize risks of shared storage.
 *
 * NOTE: it MUST NOT change after blockchain launch!
 */
interface IGovernedERC20Proxy {
    event UpgradeProposal(
        IGovernedContract indexed impl,
        IUpgradeProposal proposal
    );
    event Upgraded(
        IGovernedContract indexed impl,
        IUpgradeProposal proposal
    );
    // ERC20 standard interface
    function name() external view returns(string memory _name);
    function symbol() external view returns(string memory _symbol);
    function decimals() external view returns(uint _decimals);
    function balanceOf(address account) external view returns(uint _balance);
    function allowance(address owner, address spender) external view returns(uint _allowance);
    function totalSupply() external view returns(uint _totalSupply);
    function approve(address spender, uint value) external returns (bool result);
    function transfer(address to, uint value) external returns (bool result);
    function transferFrom(address from, address to, uint value) external returns (bool result);
    function increaseAllowance(address spender, uint256 addedValue) external returns (bool result);
    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool result);
    // Energi governance interface
    function impl() external view returns(IGovernedContract);
    function proposeUpgrade(IGovernedContract _newImpl, uint _period) external payable returns(IUpgradeProposal);
    function upgrade(IUpgradeProposal _proposal) external;
    function upgradeProposalImpl(IUpgradeProposal _proposal) external view returns(IGovernedContract new_impl);
    function listUpgradeProposals() external view returns(IUpgradeProposal[] memory proposals);
    function collectUpgradeProposal(IUpgradeProposal _proposal) external;
    function () external payable;
    /**
             * @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: interfaces/ISporkRegistry.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
interface ISporkRegistry {
    function createUpgradeProposal(
        IGovernedContract _impl,
        uint _period,
        address payable _fee_payer
    )
        external payable
        returns (IUpgradeProposal);
    function consensusGasLimits()
        external view
        returns(uint callGas, uint xferGas);
}
// File: NonReentrant.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * A little helper to protect contract from being re-entrant in state
 * modifying functions.
 */
contract NonReentrant {
    uint private entry_guard;
    modifier noReentry {
        require(entry_guard == 0, "Reentry");
        entry_guard = 1;
        _;
        entry_guard = 0;
    }
}
// File: interfaces/IGovernedERC20.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see {ERC20Detailed}.
 */
interface IGovernedERC20 {
    function governedERC20Proxy() external view returns(address _governedERC20Proxy);
    function erc20Storage() external view returns(address _erc20Storage);
    function name() external view returns(string memory _name);
    function symbol() external view returns(string memory _symbol);
    function decimals() external view returns(uint8 _decimals);
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function transfer(address sender, address recipient, uint256 amount) external returns (bool);
    function approve(address owner, address spender, uint256 amount) external returns (bool);
    function transferFrom(address spender, address sender, address recipient, uint256 amount) external returns (bool);
    function increaseAllowance(address sender, address spender, uint256 addedValue) external returns (bool);
    function decreaseAllowance(address sender, address spender, uint256 subtractedValue) external returns (bool);
}
// File: interfaces/IOwnedERC20.sol
interface IOwnedERC20 {
    function owner() external view returns(address _owner);
    function mint(address recipient, uint amount) external;
    function burn(address recipient, uint amount) external;
    function setOwner(address _owner) external;
}
// File: libraries/SafeMath.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/**
 * @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.
     *
     * _Available since v2.4.0._
     */
    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.
     *
     * _Available since v2.4.0._
     */
    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.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}
// File: GovernedERC20Proxy.sol
// Copyright 2019 The Energi Core Authors
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * SC-9: This contract has no chance of being updated. It must be stupid simple.
 *
 * If another upgrade logic is required in the future - it can be done as proxy stage II.
 */
contract GovernedERC20Proxy is IGovernedERC20Proxy, NonReentrant {
    using SafeMath for uint;
    IGovernedContract public impl;
    IGovernedProxy public spork_proxy;
    mapping(address => IGovernedContract) public upgrade_proposals;
    IUpgradeProposal[] public upgrade_proposal_list;
    modifier senderOrigin {
        // Internal calls are expected to use impl directly.
        // That's due to use of call() instead of delegatecall() on purpose.
        // solium-disable-next-line security/no-tx-origin
        require(tx.origin == msg.sender, "Only direct calls are allowed!");
        _;
    }
    modifier onlyImpl {
        require(msg.sender == address(impl), "Only calls from impl are allowed!");
        _;
    }
    constructor(IGovernedContract _impl, IGovernedProxy _sporkProxy) public {
        impl = _impl;
        spork_proxy = _sporkProxy;
    }
    // ERC20 standard functions
    function name() external view returns(string memory _name) {
        _name = IGovernedERC20(address(uint160(address(impl)))).name();
    }
    function symbol() external view returns(string memory _symbol) {
        _symbol = IGovernedERC20(address(uint160(address(impl)))).symbol();
    }
    function decimals() external view returns(uint _decimals) {
        _decimals = IGovernedERC20(address(uint160(address(impl)))).decimals();
    }
    function balanceOf(address account) external view returns(uint _balance) {
        _balance = IGovernedERC20(address(uint160(address(impl)))).balanceOf(account);
    }
    function allowance(address owner, address spender) external view returns(uint _allowance) {
        _allowance = IGovernedERC20(address(uint160(address(impl)))).allowance(owner, spender);
    }
    function totalSupply() external view returns(uint _totalSupply) {
        _totalSupply = IGovernedERC20(address(uint160(address(impl)))).totalSupply();
    }
    function approve(address spender, uint value) external returns (bool result) {
        result = IGovernedERC20(address(uint160(address(impl)))).approve(msg.sender, spender, value);
        emit Approval(msg.sender, spender, value);
    }
    function transfer(address to, uint value) external returns (bool result) {
        result = IGovernedERC20(address(uint160(address(impl)))).transfer(msg.sender, to, value);
        emit Transfer(msg.sender, to, value);
    }
    function transferFrom(address from, address to, uint value) external returns (bool result) {
        result = IGovernedERC20(address(uint160(address(impl)))).transferFrom(msg.sender, from, to, value);
        emit Transfer(from, to, value);
        uint newApproveAmount = IGovernedERC20(address(uint160(address(impl)))).allowance(from, msg.sender);
        emit Approval(from, msg.sender, newApproveAmount);
    }
    function increaseAllowance(address spender, uint256 addedValue) external returns (bool result) {
        result = IGovernedERC20(address(uint160(address(impl)))).increaseAllowance(msg.sender, spender, addedValue);
        uint newApproveAmount = IGovernedERC20(address(uint160(address(impl)))).allowance(msg.sender, spender);
        emit Approval(msg.sender, spender, newApproveAmount);
    }
    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool result) {
        result = IGovernedERC20(address(uint160(address(impl)))).decreaseAllowance(msg.sender, spender, subtractedValue);
        uint newApproveAmount = IGovernedERC20(address(uint160(address(impl)))).allowance(msg.sender, spender);
        emit Approval(msg.sender, spender, newApproveAmount);
    }
    // OwnedERC20 funtions
    function mint(address recipient, uint amount) external {
        IOwnedERC20(address(uint160(address(impl)))).mint(recipient, amount);
        emit Transfer(address(0), recipient, amount);
    }
    function burn(address recipient, uint amount) external {
        IOwnedERC20(address(uint160(address(impl)))).burn(recipient, amount);
        emit Transfer(recipient, address(0), amount);
    }
    // Governance functions
    /**
     * Pre-create a new contract first.
     * Then propose upgrade based on that.
     */
    function proposeUpgrade(IGovernedContract _newImpl, uint _period)
        external payable
        senderOrigin
        noReentry
        returns(IUpgradeProposal)
    {
        require(_newImpl != impl, "Already active!");
        require(_newImpl.proxy() == address(this), "Wrong proxy!");
        ISporkRegistry spork_reg = ISporkRegistry(address(spork_proxy.impl()));
        IUpgradeProposal proposal = spork_reg.createUpgradeProposal.value(msg.value)(_newImpl, _period, msg.sender);
        upgrade_proposals[address(proposal)] = _newImpl;
        upgrade_proposal_list.push(proposal);
        emit UpgradeProposal(_newImpl, proposal);
        return proposal;
    }
    /**
     * Once proposal is accepted, anyone can activate that.
     */
    function upgrade(IUpgradeProposal _proposal)
        external
        noReentry
    {
        IGovernedContract new_impl = upgrade_proposals[address(_proposal)];
        require(new_impl != impl, "Already active!"); // in case it changes in the flight
        require(address(new_impl) != address(0), "Not registered!");
        require(_proposal.isAccepted(), "Not accepted!");
        IGovernedContract old_impl = impl;
        new_impl.migrate(old_impl);
        impl = new_impl;
        old_impl.destroy(new_impl);
        // SECURITY: prevent downgrade attack
        _cleanupProposal(_proposal);
        // Return fee ASAP
        _proposal.destroy();
        emit Upgraded(new_impl, _proposal);
    }
    /**
     * Map proposal to implementation
     */
    function upgradeProposalImpl(IUpgradeProposal _proposal)
        external view
        returns(IGovernedContract new_impl)
    {
        new_impl = upgrade_proposals[address(_proposal)];
    }
    /**
     * Lists all available upgrades
     */
    function listUpgradeProposals()
        external view
        returns(IUpgradeProposal[] memory proposals)
    {
        uint len = upgrade_proposal_list.length;
        proposals = new IUpgradeProposal[](len);
        for (uint i = 0; i < len; ++i) {
            proposals[i] = upgrade_proposal_list[i];
        }
        return proposals;
    }
    /**
     * Once proposal is reject, anyone can start collect procedure.
     */
    function collectUpgradeProposal(IUpgradeProposal _proposal)
        external
        noReentry
    {
        IGovernedContract new_impl = upgrade_proposals[address(_proposal)];
        require(address(new_impl) != address(0), "Not registered!");
        _proposal.collect();
        delete upgrade_proposals[address(_proposal)];
        _cleanupProposal(_proposal);
    }
    function _cleanupProposal(IUpgradeProposal _proposal) internal {
        delete upgrade_proposals[address(_proposal)];
        uint len = upgrade_proposal_list.length;
        for (uint i = 0; i < len; ++i) {
            if (upgrade_proposal_list[i] == _proposal) {
                upgrade_proposal_list[i] = upgrade_proposal_list[len - 1];
                upgrade_proposal_list.pop();
                break;
            }
        }
    }
    /**
     * Related to above
     */
    function proxy() external view returns (address) {
        return address(this);
    }
    /**
     * SECURITY: prevent on-behalf-of calls
     */
    function migrate(IGovernedContract) external pure {
        revert("Good try");
    }
    /**
     * SECURITY: prevent on-behalf-of calls
     */
    function destroy(IGovernedContract) external pure {
        revert("Good try");
    }
    /**
     * Proxy all other calls to implementation.
     */
    function ()
        external payable
        senderOrigin
    {
        // SECURITY: senderOrigin() modifier is mandatory
        IGovernedContract impl_m = impl;
        // solium-disable-next-line security/no-inline-assembly
        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize)
            let res := call(sub(gas, 10000), impl_m, callvalue, ptr, calldatasize, 0, 0)
            // NOTE: returndatasize should allow repeatable calls
            //       what should save one opcode.
            returndatacopy(ptr, 0, returndatasize)
            switch res
            case 0 {
                revert(ptr, returndatasize)
            }
            default {
                return(ptr, returndatasize)
            }
        }
    }
}
// File: GovernedEAssetTokenAutoProxy.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
contract GovernedEAssetTokenAutoProxy is GovernedContract {
    constructor (
        address _proxy,
        IGovernedProxy _sporkProxy,
        IGovernedContract _impl
    ) public GovernedContract(_proxy) {
        if(_proxy == address(0)){
            _proxy = address(new GovernedERC20Proxy(_impl, _sporkProxy));
        }
        proxy = _proxy;
    }
}
// File: interfaces/IEAssetToken.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
interface IEAssetToken {
    function eAssetTokenStorage() external view returns(address _eAssetTokenStorage);
    function owner() external view returns(address _owner);
    function setOwner(address _eAssetTokenOwner) external;
    function name() external view returns(string memory _name);
    function symbol() external view returns(string memory _symbol);
    function decimals() external view returns(uint8 _decimals);
    function mint(address recipient, uint amount) external;
    function burn(address recipient, uint amount) external;
}
// File: interfaces/IEAssetTokenStorage.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
interface IEAssetTokenStorage {
    function setEAssetTokenOwner(address _eAssetTokenOwner) external;
    function getEAssetTokenOwner() external view returns(address _owner);
    function getName() external view returns(string memory _name);
    function getSymbol() external view returns(string memory _symbol);
    function getDecimals() external view returns(uint8 _decimals);
}
// File: StorageBase.sol
// This file is part of Energi Core.
//
// Energi Core is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Energi Core is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
// Energi Governance system is the fundamental part of Energi Core.
// NOTE: It's not allowed to change the compiler due to byte-to-byte
//       match requirement.
/**
 * Base for contract storage (SC-14).
 *
 * NOTE: it MUST NOT change after blockchain launch!
 */
contract StorageBase {
    address payable internal owner;
    modifier requireOwner {
        require(msg.sender == address(owner), "Not owner!");
        _;
    }
    constructor() public {
        owner = msg.sender;
    }
    function setOwner(IGovernedContract _newOwner) external requireOwner {
        owner = address(uint160(address(_newOwner)));
    }
    function kill() external requireOwner {
        selfdestruct(msg.sender);
    }
}
// File: Context.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/*
 * @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 Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks
    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }
    function _txOrigin() internal view returns (address payable) {
        return tx.origin;
    }
    function _msgData() internal view returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}
// File: interfaces/IGovernedERC20Storage.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
interface IGovernedERC20Storage {
    function setBalance(address _owner, uint256 _amount) external;
    function setAllowance(address _owner, address _spender, uint256 _amount) external;
    function setTotalSupply(uint256 _amount) external;
    function getBalance(address _account) external view returns(uint256 balance);
    function getAllowance(address _owner,  address _spender) external view returns(uint256 allowance);
    function getTotalSupply() external view returns(uint256 totalSupply);
}
// File: GovernedERC20.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/**
 * Permanent storage of GovernedERC20 data.
 */
contract GovernedERC20Storage is StorageBase, IGovernedERC20Storage {
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    uint256 private _totalSupply;
    function setBalance(address _owner, uint256 _amount) external requireOwner {
        _balances[_owner] = _amount;
    }
    function setAllowance(address _owner, address _spender, uint256 _amount) external requireOwner {
        _allowances[_owner][_spender] = _amount;
    }
    function setTotalSupply(uint256 _amount) external requireOwner {
        _totalSupply = _amount;
    }
    function getBalance(address _account) external view returns(uint256 balance) {
        balance = _balances[_account];
    }
    function getAllowance(address _owner,  address _spender) external view returns(uint256 allowance) {
        allowance = _allowances[_owner][_spender];
    }
    function getTotalSupply() external view returns(uint256 totalSupply){
        totalSupply = _totalSupply;
    }
}
contract GovernedERC20 is Context, IGovernedERC20 {
    using SafeMath for uint256;
    // Data for migration
    //---------------------------------
    GovernedERC20Storage public erc20Storage;
    //---------------------------------
    address public governedERC20Proxy;
    modifier onlyProxy {
        require(_msgSender() == governedERC20Proxy, 'EAssetToken: FORBIDDEN');
        _;
    }
    constructor() public {
        erc20Storage = new GovernedERC20Storage();
    }
    function setProxy(address _proxy) internal {
        governedERC20Proxy = _proxy;
    }
    // IGovernedContract
    //---------------------------------
    // This function would be called by GovernedProxy on an old implementation to be replaced by a new one
    function _destroyERC20(IGovernedContract _newImpl) internal {
        erc20Storage.setOwner(_newImpl);
    }
    //---------------------------------
    // ERC20
    //---------------------------------
    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() external view returns (uint256) {
        return erc20Storage.getTotalSupply();
    }
    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) external view returns (uint256) {
        return erc20Storage.getBalance(account);
    }
    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) external view returns (uint256) {
        return erc20Storage.getAllowance(owner, spender);
    }
    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address sender, address recipient, uint256 amount) external onlyProxy returns (bool) {
        _transfer(sender, recipient, amount);
        return true;
    }
    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address owner, address spender, uint256 amount) external onlyProxy returns (bool) {
        _approve(owner, 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 spender, address sender, address recipient, uint256 amount) external onlyProxy returns (bool) {
        _transfer(sender, recipient, amount);
        uint approveAmount = erc20Storage.getAllowance(sender, spender).sub(amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, spender, approveAmount);
        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 owner, address spender, uint256 addedValue) external onlyProxy returns (bool) {
        uint approveAmount = erc20Storage.getAllowance(owner, spender).add(addedValue);
        _approve(owner, spender, approveAmount);
        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 owner, address spender, uint256 subtractedValue) external onlyProxy returns (bool) {
        uint approveAmount = erc20Storage.getAllowance(owner, spender).sub(subtractedValue, "ERC20: decreased allowance below zero");
        _approve(owner, spender, approveAmount);
        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 {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        erc20Storage.setBalance(sender, erc20Storage.getBalance(sender).sub(amount, "ERC20: transfer amount exceeds balance"));
        erc20Storage.setBalance(recipient, erc20Storage.getBalance(recipient).add(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 {
        require(account != address(0), "ERC20: mint to the zero address");
        erc20Storage.setTotalSupply(erc20Storage.getTotalSupply().add(amount));
        erc20Storage.setBalance(account, erc20Storage.getBalance(account).add(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 {
        require(account != address(0), "ERC20: burn from the zero address");
        erc20Storage.setBalance(account, erc20Storage.getBalance(account).sub(amount, "ERC20: burn amount exceeds balance"));
        erc20Storage.setTotalSupply(erc20Storage.getTotalSupply().sub(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 {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        erc20Storage.setAllowance(owner, spender, amount);
    }
}
// File: eAssetToken.sol
// Copyright (C) 2021 Energi Core
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/**
 * Permanent storage of Masternode Token V1 data.
 */
contract EAssetTokenStorage is StorageBase, IEAssetTokenStorage {
    address private eAssetTokenOwner; // Can mint and burn EAssetToken
    string private name;
    string private symbol;
    uint8 private decimals;
    constructor(
        address _eAssetTokenOwner,
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) public {
        eAssetTokenOwner = _eAssetTokenOwner;
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
    }
    function setEAssetTokenOwner(address _eAssetTokenOwner) external requireOwner {
        eAssetTokenOwner = _eAssetTokenOwner;
    }
    function getEAssetTokenOwner() external view returns(address _owner) {
        _owner = eAssetTokenOwner;
    }
    function getName() external view returns(string memory _name) {
        _name = name;
    }
    function getSymbol() external view returns(string memory _symbol) {
        _symbol = symbol;
    }
    function getDecimals() external view returns(uint8 _decimals) {
        _decimals = decimals;
    }
}
contract EAssetToken is GovernedEAssetTokenAutoProxy, GovernedERC20, IEAssetToken {
    // Data for migration
    //---------------------------------
    EAssetTokenStorage public eAssetTokenStorage;
    //---------------------------------
    modifier onlyEAssetTokenOwner {
        require(_txOrigin() == eAssetTokenStorage.getEAssetTokenOwner(), 'EAssetToken: FORBIDDEN');
        _;
    }
    constructor(
        address _proxy, // If set to address(0), GovernedProxy will be deployed by GovernedContractAutoProxy
        IGovernedProxy _sporkProxy,
        address _eAssetTokenOwner,
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) public GovernedEAssetTokenAutoProxy(_proxy, _sporkProxy, this) {
        eAssetTokenStorage = new EAssetTokenStorage(_eAssetTokenOwner, _name, _symbol, _decimals);
        setProxy(proxy);
    }
    function owner() external view returns(address _owner) {
        _owner = eAssetTokenStorage.getEAssetTokenOwner();
    }
    function setOwner(address _eAssetTokenOwner) external onlyEAssetTokenOwner {
        eAssetTokenStorage.setEAssetTokenOwner(_eAssetTokenOwner);
    }
    function name() external view returns(string memory _name) {
        _name = eAssetTokenStorage.getName();
    }
    function symbol() external view returns(string memory _symbol) {
        _symbol = eAssetTokenStorage.getSymbol();
    }
    function decimals() external view returns(uint8 _decimals) {
        _decimals = eAssetTokenStorage.getDecimals();
    }
    // IGovernedContract
    //---------------------------------
    function _destroy(IGovernedContract _newImpl) internal {
        _destroyERC20(_newImpl);
        eAssetTokenStorage.setOwner(_newImpl);
    }
    //---------------------------------
    function mint(address recipient, uint amount) external onlyEAssetTokenOwner {
        _mint(recipient, amount);
    }
    function burn(address recipient, uint amount) external onlyEAssetTokenOwner {
        _burn(recipient, amount);
    }
}

[{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[{"type":"address","name":"_proxy","internalType":"address"},{"type":"address","name":"_sporkProxy","internalType":"contract IGovernedProxy"},{"type":"address","name":"_eAssetTokenOwner","internalType":"address"},{"type":"string","name":"_name","internalType":"string"},{"type":"string","name":"_symbol","internalType":"string"},{"type":"uint8","name":"_decimals","internalType":"uint8"}]},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"allowance","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"spender","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"approve","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"balanceOf","inputs":[{"type":"address","name":"account","internalType":"address"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"burn","inputs":[{"type":"address","name":"recipient","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":"_decimals","internalType":"uint8"}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"decreaseAllowance","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"subtractedValue","internalType":"uint256"}],"constant":false},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[],"name":"destroy","inputs":[{"type":"address","name":"_newImpl","internalType":"contract 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