Contract 0xbdbf42001cb20c4d3e061ee470b90596fc1c4cab 3

/**
 *Submitted for verification at PolygonScan.com on 2021-10-12
*/

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: contracts/Donator.sol

pragma solidity ^0.8.0;

contract Donator {
    IERC20 private $token;
    
    constructor(IERC20 _token){
        $token = _token;
    }
    
    function token() external view returns (IERC20) {
        return $token;
    }
    
    event Donation(address indexed sender, address indexed receiver, string uri, uint amount);
    
    function donate(address payable _receiver, string memory _uri, uint _amount) external {
        require(_amount > 0, "Donator: invalid amount");
        require($token.transferFrom(msg.sender, _receiver, _amount));
        emit Donation(msg.sender, _receiver, _uri, _amount);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":false,"internalType":"string","name":"uri","type":"string"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Donation","type":"event"},{"inputs":[{"internalType":"address payable","name":"_receiver","type":"address"},{"internalType":"string","name":"_uri","type":"string"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"donate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000e93c4431494b45115ea656274ea75b987f541b17

-----Decoded View---------------
Arg [0] : _token (address): 0xe93c4431494b45115ea656274ea75b987f541b17

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000e93c4431494b45115ea656274ea75b987f541b17

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ipfs://222779659e525d0848993c536e94a9f17c6a2ac33bdf42ff2e958b43847a65d1