Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify.
View contract in Sourcify repository
- Contract name:
- CribnbERC20
- Optimization enabled
- false
- Compiler version
- v0.5.0+commit.1d4f565a
- EVM Version
- byzantium
- Verified at
- 2026-03-18T19:51:49.222498Z
CribnbERC20.sol
pragma solidity ^0.5.0;
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
//
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Safe Math Library
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0);
c = a / b;
}
}
contract CribnbERC20 is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
/**
* Constrctor function
*
* Initializes contract with initial supply tokens to the creator of the contract
*/
constructor() public {
name = "CribnbERC20";
symbol = "CRB";
decimals = 18;
_totalSupply = 85000000000000000000000000;
balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
}
Compiler Settings
{"remappings":[],"optimizer":{"runs":200,"enabled":false},"libraries":{},"evmVersion":"byzantium","compilationTarget":{"CribnbERC20.sol":"CribnbERC20"}}
Contract ABI
[{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"name","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"success"}],"name":"approve","inputs":[{"type":"address","name":"spender"},{"type":"uint256","name":"tokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"success"}],"name":"transferFrom","inputs":[{"type":"address","name":"from"},{"type":"address","name":"to"},{"type":"uint256","name":"tokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":""}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"_totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"balance"}],"name":"balanceOf","inputs":[{"type":"address","name":"tokenOwner"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"symbol","inputs":[],"constant":true},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"uint256","name":"c"}],"name":"safeSub","inputs":[{"type":"uint256","name":"a"},{"type":"uint256","name":"b"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":"success"}],"name":"transfer","inputs":[{"type":"address","name":"to"},{"type":"uint256","name":"tokens"}],"constant":false},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"uint256","name":"c"}],"name":"safeDiv","inputs":[{"type":"uint256","name":"a"},{"type":"uint256","name":"b"}],"constant":true},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"uint256","name":"c"}],"name":"safeMul","inputs":[{"type":"uint256","name":"a"},{"type":"uint256","name":"b"}],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":"remaining"}],"name":"allowance","inputs":[{"type":"address","name":"tokenOwner"},{"type":"address","name":"spender"}],"constant":true},{"type":"function","stateMutability":"pure","payable":false,"outputs":[{"type":"uint256","name":"c"}],"name":"safeAdd","inputs":[{"type":"uint256","name":"a"},{"type":"uint256","name":"b"}],"constant":true},{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[]},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"from","indexed":true},{"type":"address","name":"to","indexed":true},{"type":"uint256","name":"tokens","indexed":false}],"anonymous":false},{"type":"event","name":"Approval","inputs":[{"type":"address","name":"tokenOwner","indexed":true},{"type":"address","name":"spender","indexed":true},{"type":"uint256","name":"tokens","indexed":false}],"anonymous":false}]
Contract Creation Code
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ByteCode
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