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Contract

0x5EcD84482176db90bb741dDC8C2F9CcC290e29Ce
 

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Transfer215196102024-12-31 2:56:23310 days ago1735613783IN
0x5EcD8448...C290e29Ce
0 ETH0.000218174.66686871
Transfer204534272024-08-04 6:34:47458 days ago1722753287IN
0x5EcD8448...C290e29Ce
0 ETH0.000046731
Transfer202617862024-07-08 12:27:35485 days ago1720441655IN
0x5EcD8448...C290e29Ce
0 ETH0.000140243
Transfer171659142023-05-01 12:15:11919 days ago1682943311IN
0x5EcD8448...C290e29Ce
0 ETH0.0017492959
Transfer171658772023-05-01 12:07:47919 days ago1682942867IN
0x5EcD8448...C290e29Ce
0 ETH0.0027581959
Transfer161571852022-12-10 22:06:591061 days ago1670710019IN
0x5EcD8448...C290e29Ce
0 ETH0.0007914816.93061038
Transfer158438432022-10-28 3:21:471105 days ago1666927307IN
0x5EcD8448...C290e29Ce
0 ETH0.0005551611.87549558
Transfer158152612022-10-24 3:24:231109 days ago1666581863IN
0x5EcD8448...C290e29Ce
0 ETH0.0006523113.95347496
Transfer155435852022-09-16 3:41:111147 days ago1663299671IN
0x5EcD8448...C290e29Ce
0 ETH0.000309166.61333283
Transfer126729372021-06-20 18:54:501599 days ago1624215290IN
0x5EcD8448...C290e29Ce
0 ETH0.000219296
Transfer126718672021-06-20 15:03:381599 days ago1624201418IN
0x5EcD8448...C290e29Ce
0 ETH0.0006176617
Transfer126375262021-06-15 6:45:121604 days ago1623739512IN
0x5EcD8448...C290e29Ce
0 ETH0.000136057
Transfer125872282021-06-07 11:49:171612 days ago1623066557IN
0x5EcD8448...C290e29Ce
0 ETH0.0006213317
Transfer125445292021-05-31 21:23:131619 days ago1622496193IN
0x5EcD8448...C290e29Ce
0 ETH0.0005640229
Transfer125435492021-05-31 17:53:561619 days ago1622483636IN
0x5EcD8448...C290e29Ce
0 ETH0.0016441645.00000072
Transfer124478582021-05-16 21:13:391634 days ago1621199619IN
0x5EcD8448...C290e29Ce
0 ETH0.0050506298
Transfer123868722021-05-07 11:27:121643 days ago1620386832IN
0x5EcD8448...C290e29Ce
0 ETH0.0016081544
Approve122649522021-04-18 15:43:571662 days ago1618760637IN
0x5EcD8448...C290e29Ce
0 ETH0.00627237135
Transfer122448232021-04-15 13:06:531665 days ago1618492013IN
0x5EcD8448...C290e29Ce
0 ETH0.0026525872.6
Transfer122216532021-04-11 23:13:361669 days ago1618182816IN
0x5EcD8448...C290e29Ce
0 ETH0.0024989368
Transfer121746262021-04-04 17:57:451676 days ago1617559065IN
0x5EcD8448...C290e29Ce
0 ETH0.00335254103
Transfer119804842021-03-05 20:22:371706 days ago1614975757IN
0x5EcD8448...C290e29Ce
0 ETH0.00448337122
Transfer119739292021-03-04 20:23:311707 days ago1614889411IN
0x5EcD8448...C290e29Ce
0 ETH0.00440988120
Transfer118375242021-02-11 20:45:181728 days ago1613076318IN
0x5EcD8448...C290e29Ce
0 ETH0.00690881188
Transfer110916792020-10-20 7:37:121842 days ago1603179432IN
0x5EcD8448...C290e29Ce
0 ETH0.001580243
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Contract Source Code Verified (Exact Match)

Contract Name:
BTL

Compiler Version
v0.4.19+commit.c4cbbb05

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-01-07
*/

pragma solidity ^0.4.8;
contract Token{
    // token总量,默认会为public变量生成一个getter函数接口,名称为totalSupply().
    uint256 public totalSupply;

    /// 获取账户_owner拥有token的数量 
    function balanceOf(address _owner) constant returns (uint256 balance);

    //从消息发送者账户中往_to账户转数量为_value的token
    function transfer(address _to, uint256 _value) returns (bool success);

    //从账户_from中往账户_to转数量为_value的token,与approve方法配合使用
    function transferFrom(address _from, address _to, uint256 _value) returns   
    (bool success);

    //消息发送账户设置账户_spender能从发送账户中转出数量为_value的token
    function approve(address _spender, uint256 _value) returns (bool success);

    //获取账户_spender可以从账户_owner中转出token的数量
    function allowance(address _owner, address _spender) constant returns 
    (uint256 remaining);

    //发生转账时必须要触发的事件 
    event Transfer(address indexed _from, address indexed _to, uint256 _value);

    //当函数approve(address _spender, uint256 _value)成功执行时必须触发的事件
    event Approval(address indexed _owner, address indexed _spender, uint256 
    _value);
}

contract StandardToken is Token {
    function transfer(address _to, uint256 _value) returns (bool success) {
        //默认totalSupply 不会超过最大值 (2^256 - 1).
        //如果随着时间的推移将会有新的token生成,则可以用下面这句避免溢出的异常
        //require(balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]);
        require(balances[msg.sender] >= _value);
        balances[msg.sender] -= _value;//从消息发送者账户中减去token数量_value
        balances[_to] += _value;//往接收账户增加token数量_value
        Transfer(msg.sender, _to, _value);//触发转币交易事件
        return true;
    }


    function transferFrom(address _from, address _to, uint256 _value) returns 
    (bool success) {
        //require(balances[_from] >= _value && allowed[_from][msg.sender] >= 
        // _value && balances[_to] + _value > balances[_to]);
        require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value);
        balances[_to] += _value;//接收账户增加token数量_value
        balances[_from] -= _value; //支出账户_from减去token数量_value
        allowed[_from][msg.sender] -= _value;//消息发送者可以从账户_from中转出的数量减少_value
        Transfer(_from, _to, _value);//触发转币交易事件
        return true;
    }
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }


    function approve(address _spender, uint256 _value) returns (bool success)   
    {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }


    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        return allowed[_owner][_spender];//允许_spender从_owner中转出的token数
    }
    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
}

contract BTL is StandardToken { 

    /* Public variables of the token */
    string public name;                   //名称: eg Simon Bucks
    uint8 public decimals;               //最多的小数位数,How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
    string public symbol;               //token简称: eg SBX
    string public version = 'H0.1';    //版本

    function BTL(uint256 _initialAmount, string _tokenName, uint8 _decimalUnits, string _tokenSymbol) {
        balances[msg.sender] = _initialAmount; // 初始token数量给予消息发送者
        totalSupply = _initialAmount;         // 设置初始总量
        name = _tokenName;                   // token名称
        decimals = _decimalUnits;           // 小数位数
        symbol = _tokenSymbol;             // token简称
    }

    /* Approves and then calls the receiving contract */
    
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
        //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
        require(_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData));
        return true;
    }

}

Contract Security Audit

Contract ABI

API
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}]

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000000000000000000000000000000038d7ea4c680000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000000000342544c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000342544c0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _initialAmount (uint256): 1000000000000000
Arg [1] : _tokenName (string): BTL
Arg [2] : _decimalUnits (uint8): 6
Arg [3] : _tokenSymbol (string): BTL

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000038d7ea4c68000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [5] : 42544c0000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [7] : 42544c0000000000000000000000000000000000000000000000000000000000


Swarm Source

bzzr://ed796a14222f63e4ecf062d4db2d7f3e59128124b1d0099bbeaddf0f98a29a62

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.