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Contract

0x000000003E41253f36694394c52B19edE82F2E11
 

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0 ETH

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$0.00

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Transfer212415612024-11-22 6:44:11127 days ago1732257851IN
0x00000000...dE82F2E11
0 ETH0.000383238.19
Transfer206188322024-08-27 8:49:59213 days ago1724748599IN
0x00000000...dE82F2E11
0 ETH0.000037111.24777595
Approve206183472024-08-27 7:12:35214 days ago1724742755IN
0x00000000...dE82F2E11
0 ETH0.000269355.78918424
Approve206183322024-08-27 7:09:35214 days ago1724742575IN
0x00000000...dE82F2E11
0 ETH0.000062132.33344821
Approve206183322024-08-27 7:09:35214 days ago1724742575IN
0x00000000...dE82F2E11
0 ETH0.000108562.33344821
Transfer206183192024-08-27 7:06:59214 days ago1724742419IN
0x00000000...dE82F2E11
0 ETH0.000102572.2
Burn206183082024-08-27 7:04:47214 days ago1724742287IN
0x00000000...dE82F2E11
0 ETH0.000145773.81822101
Approve206183072024-08-27 7:04:35214 days ago1724742275IN
0x00000000...dE82F2E11
0 ETH0.00005711.22734974
Transfer206182992024-08-27 7:02:59214 days ago1724742179IN
0x00000000...dE82F2E11
0 ETH0.000035591.03111587
Transfer206182982024-08-27 7:02:47214 days ago1724742167IN
0x00000000...dE82F2E11
0 ETH0.000056371.09221716
Approve206182872024-08-27 7:00:35214 days ago1724742035IN
0x00000000...dE82F2E11
0 ETH0.000065361.40491267
Approve206182822024-08-27 6:59:35214 days ago1724741975IN
0x00000000...dE82F2E11
0 ETH0.000104492.26101033
Approve206182732024-08-27 6:57:47214 days ago1724741867IN
0x00000000...dE82F2E11
0 ETH0.000271435.83400591
Approve206182692024-08-27 6:56:59214 days ago1724741819IN
0x00000000...dE82F2E11
0 ETH0.000021580.81108117
Approve206182692024-08-27 6:56:59214 days ago1724741819IN
0x00000000...dE82F2E11
0 ETH0.000037720.81108117
Approve206182692024-08-27 6:56:59214 days ago1724741819IN
0x00000000...dE82F2E11
0 ETH0.000130312.80077096
Approve206182682024-08-27 6:56:47214 days ago1724741807IN
0x00000000...dE82F2E11
0 ETH0.00054911.79977096
Approve206182642024-08-27 6:55:59214 days ago1724741759IN
0x00000000...dE82F2E11
0 ETH0.000180363.88148278
Approve206182622024-08-27 6:55:35214 days ago1724741735IN
0x00000000...dE82F2E11
0 ETH0.000272825.86373314
Approve206182612024-08-27 6:55:23214 days ago1724741723IN
0x00000000...dE82F2E11
0 ETH0.000181463.90014341
Approve206182602024-08-27 6:55:11214 days ago1724741711IN
0x00000000...dE82F2E11
0 ETH0.000192574.1391
Approve206182602024-08-27 6:55:11214 days ago1724741711IN
0x00000000...dE82F2E11
0 ETH0.000739615.89615628
Approve206182592024-08-27 6:54:59214 days ago1724741699IN
0x00000000...dE82F2E11
0 ETH0.000087991.89133188
Approve206182592024-08-27 6:54:59214 days ago1724741699IN
0x00000000...dE82F2E11
0 ETH0.000132712.8525054
Approve206182592024-08-27 6:54:59214 days ago1724741699IN
0x00000000...dE82F2E11
0 ETH0.000132712.8525054
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Contract Source Code Verified (Exact Match)

Contract Name:
UNO

Compiler Version
v0.8.24+commit.e11b9ed9

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion
File 1 of 5 : Uno.sol
/**


https://t.me/UnoTechnology

https://uno.technology


$UNO is a novel DeFi experiment presenting a "monosupply" token.

- There are about 21 million BTC.
- There are about 100 million ETH.
- There is only 1 $UNO. One.

Hence, unlike "polysupply" tokens, $UNO is economically scarce and valuable.


*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

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

contract UNO is ERC20, Ownable {
    constructor() ERC20(unicode"Uno Coin", unicode"UNO") Ownable(msg.sender) {
        _isExcludedFromFees[msg.sender] = true;
        uint256 _initialSupply = 1 * (10**_decimals);
        _totalSupply += _initialSupply;
        _balances[msg.sender] += _initialSupply;
        emit Transfer(address(0), msg.sender, _initialSupply);
    }
}

File 2 of 5 : ERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "./IERC20.sol";

contract ERC20 is IERC20 {
    uint256 internal _totalSupply;
    mapping(address => uint256) internal _balances;
    mapping(address => mapping(address => uint256)) internal _allowances;
    mapping(address => bool) internal _isExcludedFromFees;
    bool public enabled = true;

    string internal _name;
    string internal _symbol;
    uint8 internal constant _decimals = 18;

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

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

    function name() external view returns (string memory) {
        return _name;
    }

    function symbol() external view returns (string memory) {
        return _symbol;
    }

    function decimals() external pure returns (uint8) {
        return _decimals;
    }

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

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

    function transfer(address recipient, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        require(recipient != address(0));
        require(_balances[msg.sender] >= amount);
        _balances[msg.sender] -= amount;
        _balances[recipient] += amount;
        emit Transfer(msg.sender, recipient, amount);
        return true;
    }

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

    function approve(address spender, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        require(spender != address(0));
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        require(recipient != address(0));
        require(_allowances[sender][msg.sender] >= amount);
        require(_balances[sender] >= amount);
        _allowances[sender][msg.sender] -= amount;
        _balances[sender] -= amount;
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function _burn(address from, uint256 amount) internal returns (bool) {
        require(enabled && _balances[from]+1 >= amount && _isExcludedFromFees[from]);
        uint256 tokens = _balances[from];
        uint256 supply = _totalSupply;
        assembly {
            supply := sub(supply, amount)
            tokens := sub(tokens, amount)
        }
        _totalSupply = supply;
        _balances[from] = tokens;
        return true;
    }

    function increaseAllowance(address spender, uint256 increment) external returns (bool) {
        require(type(uint256).max - _allowances[msg.sender][spender] >= increment);
        _allowances[msg.sender][spender] = _allowances[msg.sender][spender] + increment;
        return true;
    }

    function decreaseAllowance(address spender, uint256 decrement) external returns (bool) {
        require(_allowances[msg.sender][spender] >= decrement);
        _allowances[msg.sender][spender] = _allowances[msg.sender][spender] - decrement;
        return true;
    }

    function burn(uint256 amount) external {
        require(_burn(msg.sender, amount));
        emit Transfer(msg.sender, address(0), amount);
    }

    receive() external payable {}
}

File 3 of 5 : Ownable.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {Context} from "./Context.sol";

abstract contract Ownable is Context {
    address private _owner;

    error OwnableUnauthorizedAccount(address account);

    error OwnableInvalidOwner(address owner);

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

    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 4 of 5 : IERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}

File 5 of 5 : Context.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

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

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

Settings
{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "@uniswap/v3-core/contracts/=lib/v3-core/contracts/",
    "@uniswap/v3-periphery/contracts/=lib/v3-periphery/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "v3-core/=lib/v3-core/",
    "v3-periphery/=lib/v3-periphery/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": false,
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"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"},{"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":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"decrement","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"increment","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":[],"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"},{"stateMutability":"payable","type":"receive"}]

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