Address Contract Partially Verified
Address
0x9681ee0D91E737C3B60aCEbA7Fbdae61B5462f42
Balance
0 ETH
Nonce
1
Code Size
10621 bytes
Creator
0x26f21B52...9384 at tx 0x77af27d9...83ab83
Indexed Transactions
0
Contract Bytecode
10621 bytes
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Verified Source Code Partial Match
Compiler: v0.8.16+commit.07a7930e
EVM: london
Optimization: No
Action.sol 70 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.16;
import "./Ownable.sol";
contract Action is Ownable {
mapping(address => bool) private _blacklist;
bool private _pause;
event AddBlacklist(address indexed account);
event RemoveBlacklist(address indexed account);
event Pause(address indexed account);
event UnPause(address indexed account);
constructor() {
_pause = false;
}
function pause() public onlyOwner returns(bool) {
require(!_pause, "Action: already pause");
_pause = true;
emit Pause(msg.sender);
return true;
}
function unpause() public onlyOwner returns(bool) {
require(_pause, "Action: already unpause");
_pause = false;
emit UnPause(msg.sender);
return true;
}
function paused() public view returns (bool) {
return _pause;
}
function addBlacklist(
address blackAddress
) public onlyOwner returns (bool) {
require(!_blacklist[blackAddress], "Action: already blacklisted");
_blacklist[blackAddress] = true;
emit AddBlacklist(blackAddress);
return true;
}
function removeBlacklist(
address blackAddress
) public onlyOwner returns (bool) {
require(_blacklist[blackAddress], 'Action: not blacklisted');
_blacklist[blackAddress] = false;
emit RemoveBlacklist(blackAddress);
return true;
}
function blackListed(address account) public view returns (bool) {
return _blacklist[account];
}
function _beforeTransferToken(
address from,
address to,
uint256 amount
) internal view {
require(!_blacklist[from], "Action: Sender blacklisted");
require(!_blacklist[to], "Action: Recipient blacklisted");
require(amount > 0, "Action: transfer amount has to big than 0");
require(!_pause, "Action: paused");
}
}
IERC20.sol 42 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.16;
// Abstract contract defining interface for an ERC20 token
abstract contract IERC20 {
// Get the total supply of tokens
function totalSupply() external view virtual returns (uint256);
// Transfer specified number of tokens from caller to the `to` address
function transfer(
address to,
uint256 tokens
) external virtual returns (bool);
// Approve the `spender` address to spend the specified number of tokens on behalf of the caller
function approve(
address spender,
uint256 tokens
) external virtual returns (bool);
// Get the approved number of tokens for a `spender` address from the `tokenOwner` address
function allowance(
address tokenOwner,
address spender
) external view virtual returns (uint256);
// Transfer specified number of tokens from `from` address to the `to` address
function transferFrom(
address from,
address to,
uint256 tokens
) external virtual returns (bool);
// Get the balance of tokens for an `account` address
function balanceOf(address account) public view virtual returns (uint256);
// Event emitted when tokens are transferred
event Transfer(address indexed from, address indexed to, uint256 tokens);
// Event emitted when an approval is made
event Approval(address indexed tokenOwner, address indexed spender, uint256 tokens);
}
Ownable.sol 53 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.16;
contract Ownable {
address private _owner;
constructor() {
_owner = msg.sender;
}
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
modifier onlyOwner() {
require(msg.sender == _owner, "Unauthorized");
_;
}
function isContract(address _addr) private view returns (bool) {
uint32 size;
assembly {
size := extcodesize(_addr)
}
return (size > 0);
}
function transferOwnership(
address newOwner
) public onlyOwner returns (bool) {
require(
isContract(newOwner),
"Ownable: New owner address is not a contract"
);
require(_owner != newOwner, "Ownable: The same owner");
_transferOwnership(newOwner);
return true;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _transferOwnership(address newOwner) private {
_owner = newOwner;
emit OwnershipTransferred(msg.sender, newOwner);
}
function renounceOwnership() public onlyOwner returns (bool) {
_transferOwnership(address(0));
return true;
}
}
SafeMath.sol 16 lines
// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.16;
contract SafeMath {
function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
}
}
CryptoCarbonEnergy.sol 167 lines
// SPDX-License-Identifier: MIT
pragma solidity 0.8.16;
import "./Action.sol";
import "./IERC20.sol";
import "./SafeMath.sol";
/*
_____ _______ _____ _____ ___ ___ _ ___ ___ ___ _ _ ___ _ _ ___ ___ _____ __
/ __\ \ / / _ \ \ / / _ \_ _/ _ \ / __| /_\ | _ \ _ )/ _ \| \| | | __| \| | __| _ \/ __\ \ / /
| (__ \ V /| /\ V /| _/ | || (_) | | (__ / _ \| / _ \ (_) | .` | | _|| .` | _|| / (_ |\ V /
\___| |_| |_|_\ |_| |_| |_| \___/ \___/_/ \_\_|_\___/\___/|_|\_| |___|_|\_|___|_|_\\___| |_|
*/
// Contract to define a ERC20 Token with added functionality of mint and burn
contract CryptoCarbonEnergy is IERC20, SafeMath, Action {
uint256 private _totalSupply; // Total supply of tokens
string private _name; // Name of the token
string private _symbol; // Symbol of the token
// Mapping to keep track of token balances of each address
mapping(address => uint) private _balances;
// Mapping to keep track of allowed transfer of tokens for each address
mapping(address => mapping(address => uint256)) private _allowances;
// Constructor to set the name and symbol of the token
constructor() {
_name = "Crypto Carbon Energy";
_symbol = "CYCE";
}
// Function to get the total supply of tokens
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
// Function to get the balance of tokens for a specific address
function balanceOf(
address account
) public view virtual override returns (uint256) {
return _balances[account];
}
// Function to get the allowed transfer of tokens for a specific address
function allowance(
address tokenOwner,
address spender
) public view virtual override returns (uint256) {
return _allowances[tokenOwner][spender];
}
// Function to get the name of the token
function name() public view returns (string memory) {
return _name;
}
// Function to get the symbol of the token
function symbol() public view returns (string memory) {
return _symbol;
}
// Function to get the decimal places of the token
function decimals() public pure returns (uint8) {
return 6;
}
// Function to approve a specific address to transfer a specified amount of tokens
function approve(
address spender,
uint256 amount
) public virtual override returns (bool) {
// Require that the spender address is not zero address
require(spender != address(0), "ERC20: approve to the zero address");
// Require that the amount is greater than zero
require(amount > 0, "invalid value");
// Update the allowed transfer of tokens
_allowances[msg.sender][spender] = amount;
// Emit an approval event
emit Approval(msg.sender, spender, amount);
return true;
}
// Function to transfer a specified amount of tokens from the sender to a recipient
function transfer(
address to,
uint256 amount
) public virtual override returns (bool) {
// Call the private transfer function
_transfer(msg.sender, to, amount);
return true;
}
// Function to transfer a specified amount of tokens from one address to another
// Transfer tokens from one address to another
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
// Ensure that the amount of tokens being transferred does not exceed the approved amount for the transferor
require(
amount <= _allowances[from][msg.sender],
"ERC20: approve to the zero address"
);
// Call the private function to handle the transfer
_transfer(from, to, amount);
// Decrement the approved amount
_allowances[from][msg.sender] -= amount;
return true;
}
// Private function to handle the transfer of tokens
function _transfer(address from, address to, uint256 amount) private {
// Ensure that the transferor address is not the zero address
require(from != address(0), "ERC20: transfer from the zero address");
// Ensure that the recipient address is not the zero address
require(to != address(0), "ERC20: transfer to the zero address");
// Ensure that the transferor has enough tokens to transfer
require(
_balances[from] >= amount,
"ERC20: transfer amount exceeds balance"
);
// Function call for any additional logic to be executed before the transfer
_beforeTransferToken(from, to, amount);
// Decrement the transferor's balance
_balances[from] = safeSub(_balances[from], amount);
// Increment the recipient's balance
_balances[to] = safeAdd(_balances[to], amount);
emit Transfer(from, to, amount);
}
// Function to mint new tokens and increase the total supply
/**
* @dev mint : To increase total supply of tokens
*/
function mint(address to, uint256 tokens) public onlyOwner returns (bool) {
// Increase the total supply
_totalSupply = safeAdd(_totalSupply, tokens);
// Increase the balance of the contract owner
_balances[to] = safeAdd(_balances[to], tokens);
emit Transfer(address(0), to, tokens);
return true;
}
// Function to burn tokens and decrease the total supply
/**
* @dev burn : To decrease total supply of tokens
*/
function burn(uint tokens) public onlyOwner returns (bool) {
// Ensure that the contract owner has enough tokens to burn
require(
_balances[msg.sender] >= tokens,
"ERC20: burn amount exceeds balance"
);
// Decrease the total supply
_totalSupply = safeSub(_totalSupply, tokens);
// Decrease the balance of the contract owner
_balances[msg.sender] = safeSub(_balances[msg.sender], tokens);
emit Transfer(msg.sender, address(0), tokens);
return true;
}
}
Read Contract
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
blackListed 0xbbde5b25 → bool
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
owner 0x8da5cb5b → address
paused 0x5c975abb → bool
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 11 functions
These functions modify contract state and require a wallet transaction to execute.
addBlacklist 0x9cfe42da
address blackAddress
returns: bool
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
burn 0x42966c68
uint256 tokens
returns: bool
mint 0x40c10f19
address to
uint256 tokens
returns: bool
pause 0x8456cb59
No parameters
returns: bool
removeBlacklist 0xeb91e651
address blackAddress
returns: bool
renounceOwnership 0x715018a6
No parameters
returns: bool
transfer 0xa9059cbb
address to
uint256 amount
returns: bool
transferFrom 0x23b872dd
address from
address to
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address newOwner
returns: bool
unpause 0x3f4ba83a
No parameters
returns: bool
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