Contract 0xE7508dC910bcA06108a9bc6853eCe57DDD98d975 1

 

Contract Overview

Balance:
0 MATIC

MATIC Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xa781f3f4d0ba147c27a0476ae1b4942f290e76e7f904b95cc01725db5efb4a0bApprove317284812022-08-10 10:15:581 day 1 hr ago0x674e09856a52622ff6167ace08297ed14ba21149 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001402678665 30.108799988
0x94b5bbcf0b5cac3f3d8a2b526b54c968176f28cd4dd02c4a0013529dc9dbb60cApprove317190352022-08-10 3:46:171 day 7 hrs ago0xa3aba06c78d0a27b1bbfa7476174a97941605047 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.00089580858 36.860000015
0x52fb9247876de67f778e72f968d0fdeabfdb65f6ccb33adddedb773d6b5949d5Approve317152142022-08-10 1:07:421 day 10 hrs ago0xdd5770b0f9f17f0228cee1f08903ff6b0cc7a7cd IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.000770565906 31.706616729
0xb10119e3c445459a0e9b8f05e8b7b4a04c6a63410678a127ed9822d544c9c98fApprove317104662022-08-09 21:53:021 day 13 hrs ago0x5849de34bd721a6c9ba7a5edb05a7d3c6792df8f IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.00139761 30.000000014
0xf850e89d00181abd069ed00d01e845254b4659cd2a6fbfc4dc6a342a7293c9a3Approve316788232022-08-09 1:45:092 days 9 hrs ago0xdffd151fdd0f900e8439bdf89ed2869b703c7ec0 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.000930929958 38.305145825
0xc0f6141924dc2dd05c080d6c25270bab07931d6f7ead0c3f7acea6ed0dc45140Approve316630892022-08-08 15:28:502 days 19 hrs ago0x4f2c859e52cb185ad3d53f273019a6e1864e30f8 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001772681014 38.050980195
0x206dbab6bf66da76f47b85bb5881eccd6e9836ef0c79964e7e8797aad6dedb96Approve315866052022-08-06 12:15:004 days 23 hrs ago0xe0ce522b04216f3b4fdb5878a38058cc3c3c5544 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.0007307912130.07
0xa4b97ec562f18ed0f99234b4228eab7d29aa998695e59d2428c2c68755b967d0Approve314580952022-08-03 3:44:308 days 7 hrs ago0x52905a5e83a83f6a9d0e64ad24e79a37512d35b9 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.002454840202 101.009760234
0xaa4f98815e69668e123405e20c98c272bfeb671ef9903248dfa0d53f657d6210Approve303165972022-07-04 5:33:4638 days 5 hrs ago0xacf1222153e2b795cc35c57c32edd8b8eae86279 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.000944379085 38.858539498
0xb47e893582bf55769349803cf624b45e104a333f30ae8c9b982697c5c1751fa8Approve302880392022-07-03 11:32:5338 days 23 hrs ago0xe441c45710f22983ecf9387cddfdb9d2dbf6ae93 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001808307048 38.815700699
0x4bf805344dc43bcf194739b6d12562a0775899f37d304a0fd462ba082b10a99cApprove302157052022-07-01 13:59:1440 days 21 hrs ago0x5d8e5bc8e7013380987367621e195244c65deba6 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.00316818515 120.449574217
0x6fc7a28ad5b3fea750cd4fc7e14105946bb0c7840b55ec4814559415ba766c52Approve302157032022-07-01 13:59:1040 days 21 hrs ago0x5d8e5bc8e7013380987367621e195244c65deba6 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.002860481127 117.700741779
0x8c202ad097dfc0fa30bccd10000b9439a941e4204a7108ca7ff00705141317e7Approve296212822022-06-16 2:29:4156 days 8 hrs ago0xd9e860b09d220c7a3e88869463e4bc77cc84d916 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001444197 31.000000016
0x202ebaf551e0940414c3d39ef866e5842b5bbe6b17bd0b94e09fef305f6790e7Approve296211072022-06-16 2:23:3756 days 9 hrs ago0x523839000a48c1554000958a80da1c40bc595a46 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.00139761 30.000000019
0x6b473521c5055e219b435371142073b3b5999735910a459ba39837526cc33ed9Approve296038692022-06-15 16:10:3556 days 19 hrs ago0x4d1d550a52bdc0e1d5c699379ec8fc52657f00ae IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001563024785 33.550664027
0xc65ae061bbd35e47c381924cfb3437798480561f7ad4eff65191e09eafbd82a9Approve296037172022-06-15 16:05:2356 days 19 hrs ago0xcf8b1406cfc9749518b908b19d81c45607ccf162 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.002225336856 47.767335441
0x7a0aa5a3971b1d4051ddd2b29a60f51229929206bc38ee686726adc810b0ff0eApprove295608792022-06-14 14:45:5857 days 20 hrs ago0x6fb35eac81bdc42946d6b9d248b55cc2c4f4a47b IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.006025469169 129.337994932
0xe00fee4175726967593525e681e2eafc8d23a8d11649ac1997a9a4108a4ea57dApprove295527032022-06-14 9:51:1058 days 1 hr ago0x889479cf2a292ba3180ba3f86a44c83223377d14 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.003179694456 68.252827102
0x14e77c24ecf099716cd2afb171ebf4351d1f548f59feaaaeee86845aa28dfa79Approve293532162022-06-09 11:03:2263 days 21 mins ago0x5d8e5bc8e7013380987367621e195244c65deba6 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.00139761 30.000000018
0x47a3e3bfec4aae8fe4c5ea7f499f636e308d758429ecd5d0870f74b6e9dc460dApprove290581332022-06-02 3:23:3270 days 8 hrs ago0x3a647b4e245ee3ec5dfe76fd97ff8f8f367b454b IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.0013976130.000000014
0xab07190f053d2762c16107bf646f6808f48e127f2b4d66ef0d1b8f0bc8a0d75aApprove289977772022-05-31 15:56:2571 days 19 hrs ago0xe4ea18429122e72f7755fa5b0d8d8b704a3247ae IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.009955689734213.701026772
0x27958c4c441a1c287ba72cc1044f3cafc438f2abb1836c5cbd57f527660a6cd0Approve286233112022-05-22 8:38:4681 days 2 hrs ago0xd720993f7f580c1b237afccb0273ad1cb8a58b01 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001417139284 30.419200309
0x623d1e19126c8bb93c3770859711fb1fde5869b395c849c6b28a8c808993a653Approve284740702022-05-18 16:08:5084 days 19 hrs ago0x1831570e2145ce1048eb566edb9612ec867aa736 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.013221478182 283.801879976
0xa98c6605edea4ea07f0d029a26e10d016901293a82a7ebd1b6d2129ffb718a72Approve284391172022-05-17 18:42:2285 days 16 hrs ago0x2f52646746f7696390eb4416c88251baa1a6cf47 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.002052832131 44.064484325
0x328516677a03f07e8c75713c5d01e10b41bdfb65345769991e706f8749ad90fbApprove283068302022-05-14 11:59:3188 days 23 hrs ago0x3844597c2b75e8510d8895173addc28dd995fa45 IN  0xe7508dc910bca06108a9bc6853ece57ddd98d9750 MATIC0.001819228572 39.050133574
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x73Ce60416035B8D7019f6399778c14ccf5C9c7A1

Contract Name:
XYWrappedToken

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 6 : XYWrappedToken.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

import "Ownable.sol";
import "ERC20.sol";


contract XYWrappedToken is ERC20, Ownable {

    event SetMinter(address minter, bool isMinter);

    mapping (address => bool) public isMinter;

    modifier onlyMinter {
        require(isMinter[msg.sender], "ERR_NOT_MINTER");
        _;
    }

    constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_) {
        isMinter[owner()] = true;
    }

    function setMinter(address minter, bool _isMinter) external onlyOwner {
        isMinter[minter] = _isMinter;

        emit SetMinter(minter, _isMinter);
    }

    function mint(address account, uint256 amount) external onlyMinter {
        _mint(account, amount);
    }

    function burn(uint256 amount) external {
        _burn(msg.sender, amount);
    }
}

File 2 of 6 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "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);
    }
}

File 3 of 6 : 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 4 of 6 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "IERC20.sol";
import "IERC20Metadata.sol";
import "Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _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;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `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);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    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);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    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);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    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);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 5 of 6 : 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 6 of 6 : 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);
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"}],"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":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"bool","name":"isMinter","type":"bool"}],"name":"SetMinter","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"},{"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":"uint256","name":"amount","type":"uint256"}],"name":"burn","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":"","type":"address"}],"name":"isMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","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":"minter","type":"address"},{"internalType":"bool","name":"_isMinter","type":"bool"}],"name":"setMinter","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":"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"}]

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