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0x3e51F6422e41915e96A0808d21Babb83bcd278e5
 

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Transfer Tokens2...167961312023-03-10 7:01:23711 days ago1678431683IN
0x3e51F642...3bcd278e5
0 ETH0.003763823.55766462
Transfer Tokens2...163464422023-01-06 8:06:35774 days ago1672992395IN
0x3e51F642...3bcd278e5
0 ETH0.0040139419.06862418
Transfer Tokens2...161455522022-12-09 7:06:11802 days ago1670569571IN
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0 ETH0.0030321315.1187933
Transfer Tokens2...160117772022-11-20 14:19:47821 days ago1668953987IN
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0 ETH0.000482613.38994453
Transfer Tokens2...159958982022-11-18 9:07:35823 days ago1668762455IN
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0 ETH0.0010417814.59000937
Transfer Tokens2...159958402022-11-18 8:55:59823 days ago1668761759IN
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0 ETH0.0007561313.98159531
Transfer Tokens2...158523322022-10-29 7:49:47843 days ago1667029787IN
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0 ETH0.0022169511.63159708
Transfer Tokens2...158322522022-10-26 12:29:23846 days ago1666787363IN
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0 ETH0.0006465917.93993078
Transfer Tokens2...156220022022-09-27 3:26:47876 days ago1664249207IN
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0 ETH0.0022122712.96107314
Transfer Tokens2...155249542022-09-13 4:35:01890 days ago1663043701IN
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0 ETH0.000452329.69436926
Transfer Ownersh...154558712022-09-01 23:57:48901 days ago1662076668IN
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0 ETH0.0006181519.84449491
Transfer Tokens2...154313652022-08-29 2:00:01905 days ago1661738401IN
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0 ETH0.001924166.13423767
Transfer Tokens2...153577452022-08-17 8:48:14916 days ago1660726094IN
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0 ETH0.001467218.12224409
Transfer Tokens2...152802842022-08-05 4:52:43929 days ago1659675163IN
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0 ETH0.001628378.53299031
Transfer Tokens2...152210942022-07-26 23:37:07938 days ago1658878627IN
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0 ETH0.001958310.26189509
Transfer Tokens2...152202862022-07-26 20:40:02938 days ago1658868002IN
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0 ETH0.0035420719.58279871
Transfer Tokens2...152178802022-07-26 11:40:42938 days ago1658835642IN
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0 ETH0.0005572211.94244572
Transfer Tokens2...151504222022-07-16 0:12:07949 days ago1657930327IN
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0 ETH0.0046019316.86716402
Transfer Tokens2...150944142022-07-07 8:36:19957 days ago1657182979IN
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0 ETH0.000309668.59190344
Transfer Tokens2...150157322022-06-24 0:59:34971 days ago1656032374IN
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0 ETH0.0017446937.38284658
Transfer Tokens2...150098862022-06-22 22:34:09972 days ago1655937249IN
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0 ETH0.0032601617.86404281
Transfer Tokens2...147416502022-05-09 9:30:231016 days ago1652088623IN
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0 ETH0.001153524.72197228
Transfer Tokens2...146323672022-04-22 3:47:051034 days ago1650599225IN
0x3e51F642...3bcd278e5
0 ETH0.0024660239.73293543
Transfer Tokens2...145146512022-04-03 18:04:181052 days ago1649009058IN
0x3e51F642...3bcd278e5
0 ETH0.0028000643.91633526
Transfer Tokens2...144796052022-03-29 6:53:481057 days ago1648536828IN
0x3e51F642...3bcd278e5
0 ETH0.0013273121.42182244
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Contract Source Code Verified (Exact Match)

Contract Name:
PPL20

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 8 : PPL20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import '../Blimpie/Delegated.sol';
import "../Blimpie/ERC20.sol";
import "@openzeppelin/contracts/utils/Address.sol";

interface IERC721{
  function ownerOf( uint tokenId ) external view returns( address );
}

contract PPL20 is ERC20, Delegated {
  using Address for address;

  mapping(address =>
    mapping(uint => uint)) private _tokenBalances;

  constructor()
    ERC20( "Pineapple", "PPL" )
    Delegated(){
  }

  //external
  fallback() external payable {}

  receive() external payable {}

  function balanceOfToken(address tokenContract, uint tokenId) external view returns (uint) {
    return _tokenBalances[tokenContract][tokenId];
  }

  function transferAccount2Token( address tokenContract, uint tokenId, uint pineapples ) external {
    require( _contracts[tokenContract], "PPL20: tokenContract must be a contract address" );
    _transfer( _msgSender(), tokenContract, pineapples);
    _tokenBalances[tokenContract][tokenId] += pineapples;
  }

  function transferTokens2Account( address[] calldata tokenContracts, uint[] calldata tokenIds, address recipient ) external {
    require( tokenContracts.length == tokenIds.length,  "PPL20: must provide equal contracts and tokens" );

    uint pineapples;
    uint tokenId;
    address tokenContract;
    for( uint i; i < tokenContracts.length; ++i ){
      tokenId = tokenIds[i];
      tokenContract = tokenContracts[i];
      require( _contracts[tokenContract], "PPL20: tokenContract must be a contract address" );
      require( IERC721( tokenContract ).ownerOf( tokenId ) == _msgSender(), "PPL20: not authorized" );

      pineapples = _tokenBalances[tokenContract][tokenId];
      if( pineapples > 0 ){
        _tokenBalances[tokenContract][tokenId] = 0;
        _transfer(tokenContract, recipient, pineapples);
      }
    }
  }


  //delegated
  function burnFromAccount( address account, uint pineapples ) external onlyDelegates{
    _burn( account, pineapples );
  }

  function burnFromTokens( address[] calldata tokenContracts, uint[] calldata tokenIds, uint pineapples ) external onlyDelegates{
    require( tokenContracts.length == tokenIds.length,  "PPL20: must provide equal contracts and tokens" );

    uint remainder = pineapples;
    for( uint i; i < tokenContracts.length; ++i ){
      require( _contracts[tokenContracts[i]], "PPL20: tokenContract must be a contract address" );

      uint tokenBalance = _tokenBalances[tokenContracts[i]][tokenIds[i]];
      uint used = remainder < tokenBalance ? remainder : tokenBalance;
      _tokenBalances[tokenContracts[i]][tokenIds[i]] -= used;
      _burn( tokenContracts[i], used );
      remainder -= used;
    }

    require(remainder == 0, "PPL20: burn amount exceeds balance");
  }

  function mintToAccount( address account, uint pineapples ) external onlyDelegates{
    _mint( account, pineapples );
  }

  function mintToTokens( address[] calldata tokenContracts, uint[] calldata tokenIds, uint[] calldata pineapples ) external onlyDelegates{
    require( tokenContracts.length == tokenIds.length,  "Must provide equal quantities of contracts and tokens" );
    require( tokenIds.length == pineapples.length,  "Must provide equal quantities of tokens and pineapples" );

    for( uint i; i < tokenContracts.length; ++i ){
      if( pineapples[i] > 0 ){
        if( tokenContracts[i].isContract() && !_contracts[tokenContracts[i]] ){
          //25000
          _contracts[tokenContracts[i]] = true;
        }

        //25000
        _mint( tokenContracts[i], pineapples[i] );

        //25000 x tokenContracts.length
        _tokenBalances[ tokenContracts[i] ][ tokenIds[i] ] += pineapples[i];
      }
    }
  }
}

File 2 of 8 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/Context.sol";

contract ERC20 is Context, IERC20, IERC20Metadata {
    using Address for address;

    uint256 internal _totalSupply;

    mapping(address => uint256) internal _balances;
    mapping(address => bool)    internal _contracts;
    mapping(address => mapping(address => uint256)) private _allowances;

    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    //props
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }


    //allowance
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        require( !_contracts[_msgSender()], "PPL20:  Contracts cannot change approvals" );
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        require( !_contracts[_msgSender()], "PPL20:  Contracts cannot change approvals" );
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }


    //approve
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        require( !_contracts[_msgSender()], "PPL20:  Contracts cannot approve transfers" );
        _approve(_msgSender(), spender, amount);
        return true;
    }


    //transfer
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        require( !_contracts[_msgSender()], "PPL20:  Contracts cannot initiate transfers" );
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        require( !_contracts[sender], "PPL20:  Contracts cannot initiate transfers" );
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }


    //internal events
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}


    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}


    //internal
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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 _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }
}

File 3 of 8 : Delegated.sol
// SPDX-License-Identifier: BSD-3-Clause

pragma solidity ^0.8.0;

/********************
* @author: Squeebo *
********************/

import "@openzeppelin/contracts/access/Ownable.sol";

contract Delegated is Ownable{
  mapping(address => bool) internal _delegates;

  constructor(){
    _delegates[owner()] = true;
  }

  modifier onlyDelegates {
    require(_delegates[msg.sender], "Invalid delegate" );
    _;
  }

  //onlyOwner
  function isDelegate( address addr ) external view onlyOwner returns ( bool ){
    return _delegates[addr];
  }

  function setDelegate( address addr, bool isDelegate_ ) external onlyOwner{
    _delegates[addr] = isDelegate_;
  }

  function transferOwnership(address newOwner) public virtual override onlyOwner {
    _delegates[newOwner] = true;
    super.transferOwnership( newOwner );
  }
}

File 4 of 8 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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 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.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 5 of 8 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 6 of 8 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 7 of 8 : IERC20.sol
// SPDX-License-Identifier: MIT

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 8 of 8 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "london",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"balanceOfToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"pineapples","type":"uint256"}],"name":"burnFromAccount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"tokenContracts","type":"address[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256","name":"pineapples","type":"uint256"}],"name":"burnFromTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"isDelegate","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"pineapples","type":"uint256"}],"name":"mintToAccount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"tokenContracts","type":"address[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"uint256[]","name":"pineapples","type":"uint256[]"}],"name":"mintToTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"bool","name":"isDelegate_","type":"bool"}],"name":"setDelegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"pineapples","type":"uint256"}],"name":"transferAccount2Token","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"tokenContracts","type":"address[]"},{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"},{"internalType":"address","name":"recipient","type":"address"}],"name":"transferTokens2Account","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.