Address Contract Partially Verified

Address 0x9fa69536d1cda4A04cFB50688294de75B505a9aE

Balance 0 ETH

Nonce 1

Code Size 4091 bytes

Creator 0x1349c51F...5F2F at tx 0x464b98e0...3daf85

Indexed Transactions 0

External Etherscan · Sourcify

Contract Bytecode

4091 bytes

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Verified Source Code Partial Match

Compiler: v0.8.4+commit.c7e474f2 EVM: istanbul Optimization: Yes (1000 runs)

ERC20.sol 228 lines

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

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

abstract contract Ownable is Context {
    address private _owner;

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

    constructor() {
        _setOwner(_msgSender());
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() external virtual onlyOwner {
        _setOwner(address(0));
    }

    function transferOwnership(address newOwner) external 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);
    }
}

abstract contract Pausable is Ownable {
    event Paused(address account);

    event Unpaused(address account);

    bool private _paused;

    constructor() {
        _paused = false;
    }

    function paused() public view virtual returns (bool) {
        return _paused;
    }
    
    function pause() external virtual onlyOwner {
        _pause();
    }
    
    function unpause() external virtual onlyOwner {
        _unpause();
    }
    
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

contract ERC20 is Pausable {
    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply = 120e6 ether;
    
    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);

    constructor() {
        _balances[_msgSender()] = _totalSupply;
    }

    function name() public view virtual returns (string memory) {
        return "DeRace Token";
    }

    function symbol() public view virtual returns (string memory) {
        return "DERC";
    }

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

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

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

    function transfer(address recipient, uint256 amount) external virtual returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    function approve(address spender, uint256 amount) external virtual returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external virtual 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;
    }

    function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }
    
    function burn(uint256 amount) external virtual {
        _burn(_msgSender(), 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();

        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);
    }

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

        _beforeTokenTransfer();

        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);
    }

    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 _beforeTokenTransfer() internal virtual {
        require(!paused(), "ERC20Pausable: token transfer while paused");
    }
}

Read Contract

allowance 0xdd62ed3e → uint256

owner address

spender address

balanceOf 0x70a08231 → uint256

account address

decimals 0x313ce567 → uint8

name 0x06fdde03 → string

owner 0x8da5cb5b → address

paused 0x5c975abb → bool

symbol 0x95d89b41 → string

totalSupply 0x18160ddd → uint256

Write Contract 10 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3

address spender
uint256 amount
returns: bool

burn 0x42966c68

uint256 amount

decreaseAllowance 0xa457c2d7

address spender
uint256 subtractedValue
returns: bool

increaseAllowance 0x39509351

address spender
uint256 addedValue
returns: bool

pause 0x8456cb59

No parameters

renounceOwnership 0x715018a6

No parameters

transfer 0xa9059cbb

address recipient
uint256 amount
returns: bool

transferFrom 0x23b872dd

address sender
address recipient
uint256 amount
returns: bool

transferOwnership 0xf2fde38b

address newOwner

unpause 0x3f4ba83a

No parameters

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