Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0x89e1bc65B672f4B951AF9d39d4cE18f69F2F9ea2
Balance 0 ETH
Nonce 1
Code Size 4243 bytes
Creator 0xF8cdf806...45A9 at tx 0xa2bbb90f...b273ab
Last Active
Indexed Transactions 14 (10,607,335 → 10,609,829)
Gas Used (indexed) 497,320
External Etherscan · Sourcify

Contract Bytecode

4243 bytes
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Verified Source Code Partial Match

Compiler: v0.4.16+commit.d7661dd9 Optimization: No
TokenERC20.sol 81 lines 
pragma solidity ^0.4.16;
 
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; }
 
contract TokenERC20 {
    string public name;
    string public symbol;
    uint8 public decimals = 18;  // 18 是建议的默认值
    uint256 public totalSupply;
 
    mapping (address => uint256) public balanceOf;  //
    mapping (address => mapping (address => uint256)) public allowance;
 
    event Transfer(address indexed from, address indexed to, uint256 value);
 
    event Burn(address indexed from, uint256 value);
 
 
    function TokenERC20(uint256 initialSupply, string tokenName, string tokenSymbol) public {
        totalSupply = initialSupply * 10 ** uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
        name = tokenName;
        symbol = tokenSymbol;
    }
 
 
    function _transfer(address _from, address _to, uint _value) internal {
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value > balanceOf[_to]);
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        Transfer(_from, _to, _value);
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }
 
    function transfer(address _to, uint256 _value) public returns (bool) {
        _transfer(msg.sender, _to, _value);
        return true;
    }
 
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);     // Check allowance
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }
 
    function approve(address _spender, uint256 _value) public
        returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }
 
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, this, _extraData);
            return true;
        }
    }
 
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);
        balanceOf[msg.sender] -= _value;
        totalSupply -= _value;
        Burn(msg.sender, _value);
        return true;
    }
 
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);
        require(_value <= allowance[_from][msg.sender]);
        balanceOf[_from] -= _value;
        allowance[_from][msg.sender] -= _value;
        totalSupply -= _value;
        Burn(_from, _value);
        return true;
    }
}

Read Contract

allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
decimals 0x313ce567 → uint8
name 0x06fdde03 → string
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
approveAndCall 0xcae9ca51
address _spender
uint256 _value
bytes _extraData
returns: bool
burn 0x42966c68
uint256 _value
returns: bool
burnFrom 0x79cc6790
address _from
uint256 _value
returns: bool
transfer 0xa9059cbb
address _to
uint256 _value
returns: bool
transferFrom 0x23b872dd
address _from
address _to
uint256 _value
returns: bool

Top Interactions

AddressTxnsSentReceived
0xD87145bB...Bef7 6 6
0x31fB8755...67D3 1 1
0x29BE50d4...9F7A 1 1
0x6a5f0960...f7Ae 1 1
0xD72cb64F...19c9 1 1
Transactions (14) Internal Txs Token Transfers Events

Recent Transactions

CSV View All 14 Transactions →
|
Hash Method Block Age From/To Value Txn Fee Type
0x01282e9e...3f296d transfer 10,609,829 IN 0xD72cb64F...19c9 0 ETH 0.00194267 ETH Legacy
0xd4274a46...b353b9 transfer 10,609,117 IN 0x31fB8755...67D3 0 ETH 0.00173151 ETH Legacy
0x658012d8...f25504 transfer 10,608,704 IN 0x6a5f0960...f7Ae 0 ETH 0.00211160 ETH Legacy
0x0f514137...7f46ae transfer 10,607,769 IN 0xD87145bB...Bef7 0 ETH 0.00242664 ETH Legacy
0x94fbb5c7...7e5bad transfer 10,607,768 IN 0x29BE50d4...9F7A 0 ETH 0.00181598 ETH Legacy
0xb1f0ad2f...3748ee transfer 10,607,729 IN 0xD87145bB...Bef7 0 ETH 0.00240374 ETH Legacy
0x1d03a135...0d193e transfer 10,607,678 IN 0xD87145bB...Bef7 0 ETH 0.00289594 ETH Legacy
0x7cce86f5...424895 transfer 10,607,599 IN 0xD87145bB...Bef7 0 ETH 0.00240374 ETH Legacy
0x663099c2...82d444 transfer 10,607,467 IN 0xD87145bB...Bef7 0 ETH 0.00287969 ETH Legacy
0x9bacaad8...a51610 transfer 10,607,335 IN 0xD87145bB...Bef7 0 ETH 0.00308480 ETH Legacy