// SPDX-License-Identifier: MIT
/*
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╚═════╝░╚═════╝░╚═╝░░╚═╝╚═╝░░╚═╝
$BERK: 4200 Defi Enthusiasts, Led by a Bold CEO, Gassed Their Gwei, and Crowned It the King of Defi Stonks. Long Live the Warren!
$BERK = Most Defi Efficient Coin
Socials:
TG: https://t.me/BRK4200
X: https://x.com/BRK4200
*/
pragma solidity ^0.8.0;
contract BERK {
uint public supply = 42000000*1e18;
uint public constant decimals = 18;
uint public constant MAX_INT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
string public constant name = "BERKSHIRE4200";
string public constant symbol = "BERK";
event Approval(address indexed src, address indexed usr, uint wad);
event Transfer(address indexed src, address indexed dst, uint wad);
mapping (address => uint) public balance;
mapping (address => mapping (address => uint)) public allowance;
constructor() {
balance[msg.sender] = supply;
}
function totalSupply() public view returns (uint) {
return supply;
}
function balanceOf(address usr) public view returns (uint) {
return balance[usr];
}
function approve(address usr, uint wad) public returns (bool) {
allowance[msg.sender][usr] = wad;
emit Approval(msg.sender, usr, wad);
return true;
}
function transfer(address dst, uint wad) public returns (bool) {
return transferFrom(msg.sender, dst, wad);
}
function transferFrom(address src, address dst, uint wad) public returns (bool) {
require(balance[src] >= wad, "No balance");
if (src != msg.sender && allowance[src][msg.sender] != MAX_INT) {
require(allowance[src][msg.sender] >= wad, "No allowance");
allowance[src][msg.sender] -= wad;
}
balance[src] -= wad;
balance[dst] += wad;
emit Transfer(src, dst, wad);
return true;
}
}
{
"compilationTarget": {
"BERK.sol": "BERK"
},
"evmVersion": "cancun",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 2000
},
"remappings": []
}
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"src","type":"address"},{"indexed":true,"internalType":"address","name":"usr","type":"address"},{"indexed":false,"internalType":"uint256","name":"wad","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"src","type":"address"},{"indexed":true,"internalType":"address","name":"dst","type":"address"},{"indexed":false,"internalType":"uint256","name":"wad","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_INT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"usr","type":"address"},{"internalType":"uint256","name":"wad","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"usr","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"supply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"dst","type":"address"},{"internalType":"uint256","name":"wad","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"src","type":"address"},{"internalType":"address","name":"dst","type":"address"},{"internalType":"uint256","name":"wad","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]