Token

KTN (KTN)

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ERC-20

Overview

Max Total Supply

1,000,000,000 KTN

Holders

5,924

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

Other Info

Token Contract (WITH 8 Decimals)

0xa70b2f0738749248153446e8feaece123714a104

Filtered by Token Holder

0xE1031825E9667178167dF00C485911847E4f91fe

boa1688.eth

Balance

0.1512 KTN

Value

$0.00

0xe1031825e9667178167df00c485911847e4f91fe

Click here to update the token information / general information

#	Exchange	Pair	Price	24H Volume	% Volume

Contract Source Code Verified (Exact Match)

Contract Name:

TokenERC20

Compiler Version

v0.5.1+commit.c8a2cb62

Optimization Enabled:

Yes with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

IDE

/**
 *Submitted for verification at Etherscan.io on 2019-03-11
*/

pragma solidity ^0.5.1;


contract TokenERC20 {

    string public name;

    string public symbol;

    uint8 public decimals = 8;  // 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);

    constructor(uint256 initialSupply, string memory tokenName, string memory 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 != address(0));

        require(balanceOf[_from] >= _value);

        require(balanceOf[_to] + _value > balanceOf[_to]);

        uint previousBalances = balanceOf[_from] + balanceOf[_to];

        balanceOf[_from] -= _value;

        balanceOf[_to] += _value;

        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);

        emit Transfer(_from, _to, _value);



    }

    function transfer(address _to, uint256 _value) public {

        _transfer(msg.sender, _to, _value);

    }

    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 burn(uint256 _value) public returns (bool success) {

        require(balanceOf[msg.sender] >= _value);

        balanceOf[msg.sender] -= _value;

        totalSupply -= _value;

        emit 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;

        emit Burn(_from, _value);

        return true;
    }
}

Contract Security Audit

No Contract Security Audit Submitted- Submit Audit Here

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":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"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":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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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)

000000000000000000000000000000000000000000000000000000003b9aca00000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000034b544e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034b544e0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialSupply (uint256): 1000000000
Arg [1] : tokenName (string): KTN
Arg [2] : tokenSymbol (string): KTN

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000000000003b9aca00
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [4] : 4b544e0000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [6] : 4b544e0000000000000000000000000000000000000000000000000000000000

Swarm Source

bzzr://506eefa72e06f00300d4f823db0af04496f1b6c926e26f5031cd712d8050fa4a

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