Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0x22dE9912cd3D74953B1cd1F250B825133cC2C1b3
Balance 0 ETH
Nonce 1
Code Size 2101 bytes
Creator 0x2b2Ec6b1...c458 at tx 0xd3dd9cab...a1e065
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

2101 bytes
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Verified Source Code Partial Match

Compiler: v0.4.21+commit.dfe3193c EVM: byzantium Optimization: Yes (200 runs)
DrepToken.sol 86 lines 
pragma solidity ^0.4.21;

contract DrepToken {

    string public name = "DREP";
    string public symbol = "DREP";
    uint8 public decimals = 18;

    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    uint256 public totalSupply;
    uint256 constant initialSupply = 10000000000;
    
    bool public stopped = false;

    address internal owner = 0x0;

    modifier ownerOnly {
        require(owner == msg.sender);
        _;
    }

    modifier isRunning {
        require(!stopped);
        _;
    }

    modifier validAddress {
        require(msg.sender != 0x0);
        _;
    }

    function DrepToken() public {
        owner = msg.sender;
        totalSupply = initialSupply * 10 ** uint256(decimals);
        balanceOf[owner] = totalSupply;
    }

    function transfer(address _to, uint256 _value) isRunning validAddress public returns (bool success) {
        require(_to != 0x0);
        require(balanceOf[msg.sender] >= _value);
        require(balanceOf[_to] + _value >= balanceOf[_to]);
        balanceOf[msg.sender] -= _value;
        balanceOf[_to] += _value;
        emit Transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) isRunning validAddress public returns (bool success) {
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value >= balanceOf[_to]);
        require(allowance[_from][msg.sender] >= _value);
        allowance[_from][msg.sender] -= _value;
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        emit Transfer(_from, _to, _value);
        return true;
    }

    function approve(address _spender, uint256 _value) isRunning validAddress public returns (bool success) {
        require(_value == 0 || allowance[msg.sender][_spender] == 0);
        allowance[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }

    function stop() ownerOnly public {
        stopped = true;
    }

    function start() ownerOnly public {
        stopped = false;
    }

    function burn(uint256 _value) isRunning validAddress public {
        require(balanceOf[msg.sender] >= _value);
        require(totalSupply >= _value);
        balanceOf[msg.sender] -= _value;
        totalSupply -= _value;
    }

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

Read Contract

allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
stopped 0x75f12b21 → bool
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256

Write Contract 6 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3
address _spender
uint256 _value
returns: bool
burn 0x42966c68
uint256 _value
start 0xbe9a6555
No parameters
stop 0x07da68f5
No parameters
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool
Transactions Internal Txs Token Transfers Events

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