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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. |
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/*
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// SPDX-License-Identifier: MIT
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// ███████╗ █████╗ ███████╗██╗ ██╗
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// ██╔════╝██╔══██╗██╔════╝██║ ██║
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// ███████╗███████║█████╗ ██║ ██║
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// ╚════██║██╔══██║██╔══╝ ██║ ██║
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// ███████║██║ ██║██║ ╚██████╔╝
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// ╚══════╝╚═╝ ╚═╝╚═╝ ╚═════╝
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// /~_____________________~\
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// .-----------------------.
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// (|https://safuchain.net|)
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// '-----------------------'
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// \_~~~~~~~~~~~~~~~~~~~~~_/
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// File: @openzeppelin/contracts/utils/Context.sol
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// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
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*/
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// SPDX-License-Identifier: Unlicensed
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pragma solidity ^0.8.0;
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abstract contract Context {
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function _msgSender() internal view virtual returns (address) {
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return msg.sender;
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}
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function _msgData() internal view virtual returns (bytes memory) {
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this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
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return msg.data;
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}
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}
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interface IERC20 {
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/**
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* @dev Returns the amount of tokens in existence.
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*/
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function totalSupply() external view returns (uint256);
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/**
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* @dev Returns the amount of tokens owned by `account`.
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*/
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function balanceOf(address account) external view returns (uint256);
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/**
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* @dev Moves `amount` tokens from the caller's account to `recipient`.
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*
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* Returns a boolean value indicating whether the operation succeeded.
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*
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* Emits a {Transfer} event.
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*/
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function transfer(address recipient, uint256 amount) external returns (bool);
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/**
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* @dev Returns the remaining number of tokens that `spender` will be
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* allowed to spend on behalf of `owner` through {transferFrom}. This is
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* zero by default.
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*
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* This value changes when {approve} or {transferFrom} are called.
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*/
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function allowance(address owner, address spender) external view returns (uint256);
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/**
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* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
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*
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* Returns a boolean value indicating whether the operation succeeded.
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*
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* IMPORTANT: Beware that changing an allowance with this method brings the risk
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* that someone may use both the old and the new allowance by unfortunate
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* transaction ordering. One possible solution to mitigate this race
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* condition is to first reduce the spender's allowance to 0 and set the
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* desired value afterwards:
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* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
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*
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* Emits an {Approval} event.
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*/
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function approve(address spender, uint256 amount) external returns (bool);
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/**
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* @dev Moves `amount` tokens from `sender` to `recipient` using the
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* allowance mechanism. `amount` is then deducted from the caller's
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* allowance.
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*
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* Returns a boolean value indicating whether the operation succeeded.
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*
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* Emits a {Transfer} event.
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*/
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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/**
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* @dev Emitted when `value` tokens are moved from one account (`from`) to
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* another (`to`).
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*
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* Note that `value` may be zero.
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*/
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event Transfer(address indexed from, address indexed to, uint256 value);
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/**
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* @dev Emitted when the allowance of a `spender` for an `owner` is set by
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* a call to {approve}. `value` is the new allowance.
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*/
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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library SafeMath {
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/**
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* @dev Returns the addition of two unsigned integers, reverting on
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* overflow.
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*
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* Counterpart to Solidity's `+` operator.
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*
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* Requirements:
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*
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* - Addition cannot overflow.
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*/
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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/**
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* @dev Returns the subtraction of two unsigned integers, reverting on
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* overflow (when the result is negative).
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*
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* Counterpart to Solidity's `-` operator.
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*
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* Requirements:
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*
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* - Subtraction cannot overflow.
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*/
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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/**
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* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
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* overflow (when the result is negative).
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*
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* Counterpart to Solidity's `-` operator.
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*
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* Requirements:
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*
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* - Subtraction cannot overflow.
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*/
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function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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/**
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* @dev Returns the multiplication of two unsigned integers, reverting on
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* overflow.
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*
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* Counterpart to Solidity's `*` operator.
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*
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* Requirements:
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*
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* - Multiplication cannot overflow.
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*/
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
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// benefit is lost if 'b' is also tested.
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// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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/**
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* @dev Returns the integer division of two unsigned integers. Reverts on
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* division by zero. The result is rounded towards zero.
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*
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* Counterpart to Solidity's `/` operator. Note: this function uses a
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* `revert` opcode (which leaves remaining gas untouched) while Solidity
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* uses an invalid opcode to revert (consuming all remaining gas).
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*
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* Requirements:
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*
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* - The divisor cannot be zero.
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*/
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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/**
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* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
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* division by zero. The result is rounded towards zero.
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*
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* Counterpart to Solidity's `/` operator. Note: this function uses a
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* `revert` opcode (which leaves remaining gas untouched) while Solidity
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* uses an invalid opcode to revert (consuming all remaining gas).
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*
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* Requirements:
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*
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* - The divisor cannot be zero.
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*/
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function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b > 0, errorMessage);
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uint256 c = a / b;
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// assert(a == b * c + a % b); // There is no case in which this doesn't hold
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return c;
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}
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/**
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* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
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* Reverts when dividing by zero.
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*
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* Counterpart to Solidity's `%` operator. This function uses a `revert`
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* opcode (which leaves remaining gas untouched) while Solidity uses an
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* invalid opcode to revert (consuming all remaining gas).
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*
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* Requirements:
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*
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* - The divisor cannot be zero.
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*/
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function mod(uint256 a, uint256 b) internal pure returns (uint256) {
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return mod(a, b, "SafeMath: modulo by zero");
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}
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/**
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* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
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* Reverts with custom message when dividing by zero.
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*
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* Counterpart to Solidity's `%` operator. This function uses a `revert`
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* opcode (which leaves remaining gas untouched) while Solidity uses an
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* invalid opcode to revert (consuming all remaining gas).
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*
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* Requirements:
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*
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* - The divisor cannot be zero.
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*/
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function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b != 0, errorMessage);
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return a % b;
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}
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}
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library Address {
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/**
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* @dev Returns true if `account` is a contract.
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*
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* [IMPORTANT]
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* ====
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* It is unsafe to assume that an address for which this function returns
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* false is an externally-owned account (EOA) and not a contract.
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*
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* Among others, `isContract` will return false for the following
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* types of addresses:
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*
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* - an externally-owned account
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* - a contract in construction
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* - an address where a contract will be created
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* - an address where a contract lived, but was destroyed
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* ====
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*/
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function isContract(address account) internal view returns (bool) {
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// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
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// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
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// for accounts without code, i.e. `keccak256('')`
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bytes32 codehash;
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bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
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// solhint-disable-next-line no-inline-assembly
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assembly { codehash := extcodehash(account) }
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return (codehash != accountHash && codehash != 0x0);
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}
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/**
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* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
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* `recipient`, forwarding all available gas and reverting on errors.
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*
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* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
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* of certain opcodes, possibly making contracts go over the 2300 gas limit
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* imposed by `transfer`, making them unable to receive funds via
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* `transfer`. {sendValue} removes this limitation.
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*
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* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
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*
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* IMPORTANT: because control is transferred to `recipient`, care must be
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* taken to not create reentrancy vulnerabilities. Consider using
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* {ReentrancyGuard} or the
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* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html
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*/
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function sendValue(address payable recipient, uint256 amount) internal {
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require(address(this).balance >= amount, "Address: insufficient balance");
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// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
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(bool success, ) = recipient.call{ value: amount }("");
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require(success, "Address: unable to send value, recipient may have reverted");
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}
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/**
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* @dev Performs a Solidity function call using a low level `call`. A
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* plain`call` is an unsafe replacement for a function call: use this
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* function instead.
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*
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* If `target` reverts with a revert reason, it is bubbled up by this
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* function (like regular Solidity function calls).
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*
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* Returns the raw returned data. To convert to the expected return value,
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* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode
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*
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* Requirements:
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*
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* - `target` must be a contract.
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* - calling `target` with `data` must not revert.
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*
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* _Available since v3.1._
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*/
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function functionCall(address target, bytes memory data) internal returns (bytes memory) {
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return functionCall(target, data, "Address: low-level call failed");
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}
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/**
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* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
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* `errorMessage` as a fallback revert reason when `target` reverts.
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*
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* _Available since v3.1._
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*/
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function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
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return _functionCallWithValue(target, data, 0, errorMessage);
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}
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/**
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* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
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* but also transferring `value` wei to `target`.
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*
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* Requirements:
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*
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* - the calling contract must have an ETH balance of at least `value`.
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* - the called Solidity function must be `payable`.
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*
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* _Available since v3.1._
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*/
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function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
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return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
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}
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/**
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* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
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* with `errorMessage` as a fallback revert reason when `target` reverts.
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*
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* _Available since v3.1._
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*/
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function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
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require(address(this).balance >= value, "Address: insufficient balance for call");
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return _functionCallWithValue(target, data, value, errorMessage);
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}
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function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
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require(isContract(target), "Address: call to non-contract");
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// solhint-disable-next-line avoid-low-level-calls
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(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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if (success) {
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return returndata;
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} else {
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// Look for revert reason and bubble it up if present
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if (returndata.length > 0) {
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// The easiest way to bubble the revert reason is using memory via assembly
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// solhint-disable-next-line no-inline-assembly
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assembly {
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let returndata_size := mload(returndata)
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revert(add(32, returndata), returndata_size)
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}
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} else {
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revert(errorMessage);
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}
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}
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}
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}
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contract Ownable is Context {
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address private _owner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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/**
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* @dev Initializes the contract setting the deployer as the initial owner.
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*/
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constructor () {
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address msgSender = _msgSender();
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_owner = msgSender;
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emit OwnershipTransferred(address(0), msgSender);
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}
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/**
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* @dev Returns the address of the current owner.
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*/
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function owner() public view returns (address) {
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return _owner;
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}
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/**
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* @dev Throws if called by any account other than the owner.
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*/
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modifier onlyOwner() {
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require(_owner == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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/**
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* @dev Leaves the contract without owner. It will not be possible to call
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* `onlyOwner` functions anymore. Can only be called by the current owner.
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*
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* NOTE: Renouncing ownership will leave the contract without an owner,
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* thereby removing any functionality that is only available to the owner.
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*/
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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/**
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* @dev Transfers ownership of the contract to a new account (`newOwner`).
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* Can only be called by the current owner.
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*/
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function transferOwnership(address newOwner) public virtual onlyOwner {
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require(newOwner != address(0), "Ownable: new owner is the zero address");
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emit OwnershipTransferred(_owner, newOwner);
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_owner = newOwner;
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}
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}
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interface IUniswapV2Router01 {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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}
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interface IUniswapV2Factory {
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function getPair(address tokenA, address tokenB) external view returns (address pair);
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}
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contract SAFUchain is Context, IERC20, Ownable {
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using SafeMath for uint256;
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using Address for address;
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mapping (address => uint256) private _rOwned;
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mapping (address => uint256) private _tOwned;
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mapping (address => mapping (address => uint256)) private _allowances;
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mapping(address => uint256) private cooldown;
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mapping (address => bool) private _isExcluded;
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address[] private _excluded;
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address private uniswapV2Pair;
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IUniswapV2Router01 private uniswapRouter01 = IUniswapV2Router01(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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|
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uint256 private constant MAX = ~uint256(0);
|
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uint256 private constant _tTotal = 1000 * 10**9 * 10**18;
|
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uint256 private _rTotal = (MAX - (MAX % _tTotal));
|
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uint256 private _tFeeTotal;
|
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bool enableTrading = true;
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|
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string private _name = 'Safuchain ';
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string private _symbol = 'SAFU ';
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uint8 private _decimals = 18;
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|
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constructor () public {
|
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_rOwned[_msgSender()] = _rTotal;
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emit Transfer(address(0), _msgSender(), _tTotal);
|
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}
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|
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function name() public view returns (string memory) {
|
|
return _name;
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|
}
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|
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function symbol() public view returns (string memory) {
|
|
return _symbol;
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|
}
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|
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function decimals() public view returns (uint8) {
|
|
return _decimals;
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|
}
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|
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function totalSupply() public view override returns (uint256) {
|
|
return _tTotal;
|
|
}
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|
|
function balanceOf(address account) public view override returns (uint256) {
|
|
if (_isExcluded[account]) return _tOwned[account];
|
|
return tokenFromReflection(_rOwned[account]);
|
|
}
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|
|
function transfer(address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(_msgSender(), recipient, amount);
|
|
return true;
|
|
}
|
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|
|
function allowance(address owner, address spender) public view override returns (uint256) {
|
|
return _allowances[owner][spender];
|
|
}
|
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|
|
function approve(address spender, uint256 amount) public override returns (bool) {
|
|
_approve(_msgSender(), spender, amount);
|
|
return true;
|
|
}
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|
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function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
|
|
_transfer(sender, recipient, amount);
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|
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
|
|
return true;
|
|
}
|
|
|
|
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
|
|
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
|
|
return true;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
function isExcluded(address account) public view returns (bool) {
|
|
return _isExcluded[account];
|
|
}
|
|
|
|
function totalFees() public view returns (uint256) {
|
|
return _tFeeTotal;
|
|
}
|
|
|
|
function reflect(uint256 tAmount) public {
|
|
address sender = _msgSender();
|
|
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
|
|
(uint256 rAmount,,,,) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rTotal = _rTotal.sub(rAmount);
|
|
_tFeeTotal = _tFeeTotal.add(tAmount);
|
|
}
|
|
|
|
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
|
|
require(tAmount <= _tTotal, "Amount must be less than supply");
|
|
if (!deductTransferFee) {
|
|
(uint256 rAmount,,,,) = _getValues(tAmount);
|
|
return rAmount;
|
|
} else {
|
|
(,uint256 rTransferAmount,,,) = _getValues(tAmount);
|
|
return rTransferAmount;
|
|
}
|
|
}
|
|
|
|
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
|
|
require(rAmount <= _rTotal, "Amount must be less than total reflections");
|
|
uint256 currentRate = _getRate();
|
|
return rAmount.div(currentRate);
|
|
}
|
|
|
|
function useCoolDown(bool enable) public onlyOwner {
|
|
enableTrading = enable;
|
|
}
|
|
|
|
function updateUniPair() public onlyOwner {
|
|
address getPairAddress = IUniswapV2Factory(uniswapRouter01.factory()).getPair(address(this), uniswapRouter01.WETH());
|
|
require(getPairAddress != address(0));
|
|
uniswapV2Pair = getPairAddress;
|
|
}
|
|
|
|
function excludeAccount(address account) external onlyOwner() {
|
|
require(!_isExcluded[account], "Account is already excluded");
|
|
if(_rOwned[account] > 0) {
|
|
_tOwned[account] = tokenFromReflection(_rOwned[account]);
|
|
}
|
|
_isExcluded[account] = true;
|
|
_excluded.push(account);
|
|
}
|
|
|
|
function includeAccount(address account) external onlyOwner() {
|
|
require(_isExcluded[account], "Account is already excluded");
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_excluded[i] == account) {
|
|
_excluded[i] = _excluded[_excluded.length - 1];
|
|
_tOwned[account] = 0;
|
|
_isExcluded[account] = false;
|
|
_excluded.pop();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
function _approve(address owner, address spender, uint256 amount) private {
|
|
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);
|
|
}
|
|
|
|
function _transfer(address sender, address recipient, uint256 amount) private {
|
|
require(sender != address(0), "ERC20: transfer from the zero address");
|
|
require(recipient != address(0), "ERC20: transfer to the zero address");
|
|
require(amount > 0, "Transfer amount must be greater than zero");
|
|
if (_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferFromExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferToExcluded(sender, recipient, amount);
|
|
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
|
|
_transferStandard(sender, recipient, amount);
|
|
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
|
|
_transferBothExcluded(sender, recipient, amount);
|
|
} else {
|
|
_transferStandard(sender, recipient, amount);
|
|
}
|
|
}
|
|
|
|
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
|
|
if (sender != owner() && recipient != owner()) {
|
|
if(sender != uniswapV2Pair) {
|
|
require(enableTrading);
|
|
require(cooldown[recipient] < block.timestamp);
|
|
cooldown[recipient] = block.timestamp + (35 seconds);
|
|
}
|
|
if(sender == uniswapV2Pair) cooldown[sender] = block.timestamp + (35 seconds);
|
|
}
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
|
|
_tOwned[sender] = _tOwned[sender].sub(tAmount);
|
|
_rOwned[sender] = _rOwned[sender].sub(rAmount);
|
|
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
|
|
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
|
|
_reflectFee(rFee, tFee);
|
|
emit Transfer(sender, recipient, tTransferAmount);
|
|
}
|
|
|
|
function _reflectFee(uint256 rFee, uint256 tFee) private {
|
|
|
|
_rTotal = _rTotal.sub(rFee);
|
|
_tFeeTotal = _tFeeTotal.add(tFee);
|
|
}
|
|
|
|
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) {
|
|
(uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount);
|
|
uint256 currentRate = _getRate();
|
|
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
|
|
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee);
|
|
}
|
|
|
|
function _getTValues(uint256 tAmount) private view returns (uint256, uint256) {
|
|
|
|
uint256 tFee;
|
|
if(_tTotal >= 30000000 * (10**6) * (10**18))
|
|
{
|
|
tFee = tAmount.div(100).mul(2);
|
|
}
|
|
else
|
|
{
|
|
tFee = 0;
|
|
}
|
|
uint256 tTransferAmount = tAmount.sub(tFee);
|
|
return (tTransferAmount, tFee);
|
|
}
|
|
|
|
function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
|
|
uint256 rAmount = tAmount.mul(currentRate);
|
|
uint256 rFee = tFee.mul(currentRate);
|
|
uint256 rTransferAmount = rAmount.sub(rFee);
|
|
return (rAmount, rTransferAmount, rFee);
|
|
}
|
|
|
|
function _getRate() private view returns(uint256) {
|
|
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
|
|
return rSupply.div(tSupply);
|
|
}
|
|
uint256 public rSupply;
|
|
uint256 public tSupply;
|
|
function _getCurrentSupply() private view returns(uint256, uint256) {
|
|
uint256 rSupply = _rTotal;
|
|
uint256 tSupply = _tTotal;
|
|
for (uint256 i = 0; i < _excluded.length; i++) {
|
|
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
|
|
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
|
|
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
|
|
}
|
|
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
|
|
return (rSupply, tSupply);
|
|
}
|
|
} |