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Overview
TokenID
150000000000000000000
Total Transfers
-
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
Deco
Compiler Version
v0.4.13+commit.fb4cb1a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2017-09-26 */ pragma solidity ^0.4.13; library SafeMath { function mul(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function div(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a / b; return c; } function sub(uint256 a, uint256 b) internal constant returns (uint256) { assert(b <= a); return a - b; } function add(uint256 a, uint256 b) internal constant returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } } contract ERC223ReceivingContract { function tokenFallback(address _from, uint256 _value, bytes _data) public; } contract ERC20ERC223 { uint256 public totalSupply; function balanceOf(address _owner) public constant returns (uint256); function transfer(address _to, uint256 _value) public returns (bool); function transfer(address _to, uint256 _value, bytes _data) public returns (bool); function transferFrom(address _from, address _to, uint256 _value) public returns (bool); function approve(address _spender, uint256 _value) public returns (bool success); function allowance(address _owner, address _spender) public constant returns (uint256 remaining); event Transfer(address indexed _from, address indexed _to, uint256 indexed _value); event Transfer(address indexed _from, address indexed _to, uint256 indexed _value, bytes _data); event Approval(address indexed _owner, address indexed _spender, uint256 _value); } contract Deco is ERC20ERC223 { using SafeMath for uint256; string public constant name = "Deco"; string public constant symbol = "DEC"; uint8 public constant decimals = 18; uint256 public constant totalSupply = 6*10**26; // 600,000,000. 000,000,000,000,000,000 units // Accounts mapping(address => Account) private accounts; struct Account { uint256 balance; mapping(address => uint256) allowed; mapping(address => bool) isAllowanceAuthorized; } // Fix for the ERC20 short address attack. // http://vessenes.com/the-erc20-short-address-attack-explained/ modifier onlyPayloadSize(uint256 size) { require(msg.data.length >= size + 4); _; } // Initialization function Deco() { accounts[msg.sender].balance = totalSupply; Transfer(this, msg.sender, totalSupply); } // Balance function balanceOf(address _owner) constant returns (uint256) { return accounts[_owner].balance; } // Transfers function transfer(address _to, uint256 _value) onlyPayloadSize(2 * 32) returns (bool) { performTransfer(msg.sender, _to, _value, ""); Transfer(msg.sender, _to, _value); return true; } function transfer(address _to, uint256 _value, bytes _data) onlyPayloadSize(2 * 32) returns (bool) { performTransfer(msg.sender, _to, _value, _data); Transfer(msg.sender, _to, _value, _data); return true; } function transferFrom(address _from, address _to, uint256 _value) onlyPayloadSize(3 * 32) returns (bool) { require(hasApproval(_from, msg.sender)); uint256 _allowed = accounts[_from].allowed[msg.sender]; performTransfer(_from, _to, _value, ""); accounts[_from].allowed[msg.sender] = _allowed.sub(_value); Transfer(_from, _to, _value); return true; } function performTransfer(address _from, address _to, uint256 _value, bytes _data) private returns (bool) { require(_to != 0x0); accounts[_from].balance = accounts[_from].balance.sub(_value); accounts[_to].balance = accounts[_to].balance.add(_value); if (isContract(_to)) { ERC223ReceivingContract receiver = ERC223ReceivingContract(_to); receiver.tokenFallback(_from, _value, _data); } return true; } function isContract(address _to) private constant returns (bool) { uint256 codeLength; assembly { codeLength := extcodesize(_to) } return codeLength > 0; } // Approval & Allowance function approve(address _spender, uint256 _value) returns (bool) { require(msg.sender != _spender); // https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 if ((_value != 0) && (accounts[msg.sender].allowed[_spender] != 0)) { revert(); return false; } accounts[msg.sender].allowed[_spender] = _value; accounts[msg.sender].isAllowanceAuthorized[_spender] = true; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) constant returns (uint256 remaining) { return accounts[_owner].allowed[_spender]; } function hasApproval(address _owner, address _spender) constant returns (bool) { return accounts[_owner].isAllowanceAuthorized[_spender]; } function removeApproval(address _spender) { delete(accounts[msg.sender].allowed[_spender]); accounts[msg.sender].isAllowanceAuthorized[_spender] = false; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"hasApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"}],"name":"removeApproval","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":true,"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
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Deployed Bytecode
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Swarm Source
bzzr://a71dc5342f1213f5ae42f742a922ce56f156cdd69bd7f423c11de143ddf1d066
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