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Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 2 txns
Token Tracker: ZJUCOIN (ZJU¥)
 Latest 2 txns

TxHash Age From To Value [TxFee]
0x3c3e5be1597a2328dbfb141ed273cb763b1c630a19b8b12bea0019acd32df58b125 days 20 mins ago0x03937b0694f1f12ce4428de562307e64eaa438b9  IN   0x3cc8680ce5002dde7a41fe140af9575dcbc5920c0 Ether0.0005717721
0xe36b665de13c7e121f6b3102f4c1169e16ade89076cda503543d988196e6ba29125 days 35 mins ago0x03937b0694f1f12ce4428de562307e64eaa438b9  IN    Contract Creation0 Ether0.014201308


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Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: Coin
Compiler Text: v0.4.24+commit.e67f0147
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.4;

contract Token {

    /// @return 返回token的发行量
    function totalSupply() constant returns (uint256 supply) {}

    /// @param _owner 查询以太坊地址token余额
    /// @return The balance 返回余额
    function balanceOf(address _owner) constant returns (uint256 balance) {}

    /// @notice msg.sender(交易发送者)发送 _value(一定数量)的 token 到 _to(接受者)  
    /// @param _to 接收者的地址
    /// @param _value 发送token的数量
    /// @return 是否成功
    function transfer(address _to, uint256 _value) returns (bool success) {}

    /// @notice 发送者 发送 _value(一定数量)的 token 到 _to(接受者)  
    /// @param _from 发送者的地址
    /// @param _to 接收者的地址
    /// @param _value 发送的数量
    /// @return 是否成功
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}

    /// @notice 发行方 批准 一个地址发送一定数量的token
    /// @param _spender 需要发送token的地址
    /// @param _value 发送token的数量
    /// @return 是否成功
    function approve(address _spender, uint256 _value) returns (bool success) {}

    /// @param _owner 拥有token的地址
    /// @param _spender 可以发送token的地址
    /// @return 还允许发送的token的数量
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}

    /// 发送Token事件
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    /// 批准事件
    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token发行量不能超过(2^256 - 1)
        //如果你不设置发行量,并且随着时间的发型更多的token,需要确保没有超过最大值,使用下面的 if 语句
        //if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        if (balances[msg.sender] >= _value && _value > 0) {
            balances[msg.sender] -= _value;
            balances[_to] += _value;
            Transfer(msg.sender, _to, _value);
            return true;
        } else { return false; }
    }

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        //向上面的方法一样,如果你想确保发行量不超过最大值
        //if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
            balances[_to] += _value;
            balances[_from] -= _value;
            allowed[_from][msg.sender] -= _value;
            Transfer(_from, _to, _value);
            return true;
        } else { return false; }
    }

    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];
    }

    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
    uint256 public totalSupply;
}
contract Coin is StandardToken {

    function () {
        //if ether is sent to this address, send it back.
        throw;
    }

    /* Public variables of the token */

    /*
    NOTE:
    The following variables are OPTIONAL vanities. One does not have to include them.
    They allow one to customise the token contract & in no way influences the core functionality.
    Some wallets/interfaces might not even bother to look at this information.
    */
    string public name;                   //token名称: Coin 
    uint8 public decimals;                //小数位
    string public symbol;                 //标识
    string public version = 'H0.1';       //版本号

    function Coin(
        uint256 _initialAmount,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol
        ) {
        totalSupply = _initialAmount * 10 ** uint256(_decimalUnits);    // 发行量
        balances[msg.sender] = totalSupply;                             // 合约发布者的余额是发行数量                      
        name = _tokenName;                                              // token名称
        decimals = _decimalUnits;                                       // token小数位
        symbol = _tokenSymbol;                                          // token标识
    }

    /* 批准然后调用接收合约 */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);

        //调用你想要通知合约的 receiveApprovalcall 方法 ,这个方法是可以不需要包含在这个合约里的。
        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
        //假设这么做是可以成功,不然应该调用vanilla approve。
        if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
        return true;
    }
}

    Contract ABI  
[{"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"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"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"}]

  Contract Creation Code Switch To Opcodes View
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    Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000000000000000000000000000000000003b9aca000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000075a4a55434f494e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000065a4a55efbfa50000000000000000000000000000000000000000000000000000

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000000003b9aca00
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [5] : 5a4a55434f494e00000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [7] : 5a4a55efbfa50000000000000000000000000000000000000000000000000000


   Swarm Source:
bzzr://dd30b2066c08824278500884c8389ee5be845295db9962def481f33630799d71

 

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