ERC-20
Overview
Max Total Supply
100,848,000 Coo
Holders
34
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 8 Decimals)
Balance
49,636.93925401 CooValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
CooToken
Compiler Version
v0.4.25+commit.59dbf8f1
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-10-20 */ pragma solidity ^0.4.8; /** * Math operations with safety checks */ contract SafeMath { function safeMul(uint256 a, uint256 b) internal returns (uint256) { uint256 c = a * b; assert(a == 0 || c / a == b); return c; } function safeDiv(uint256 a, uint256 b) internal returns (uint256) { assert(b > 0); uint256 c = a / b; assert(a == b * c + a % b); return c; } function safeSub(uint256 a, uint256 b) internal returns (uint256) { assert(b <= a); return a - b; } function safeAdd(uint256 a, uint256 b) internal returns (uint256) { uint256 c = a + b; assert(c>=a && c>=b); return c; } function assert(bool assertion) internal { if (!assertion) { revert(); } } } contract CooToken is SafeMath { string public name; string public symbol; uint8 public decimals; uint256 public totalSupply; /* This creates an array with all balances */ mapping (address => uint256) public balanceOf; mapping (address => uint256) public freezeOf; mapping (address => mapping (address => uint256)) public allowance; /* This generates a public event on the blockchain that will notify clients */ event Transfer(address indexed from, address indexed to, uint256 value); /* This notifies clients about the amount burnt */ event Burn(address indexed from, uint256 value); /* This notifies clients about the amount frozen */ event Freeze(address indexed from, uint256 value); /* This notifies clients about the amount unfrozen */ event Unfreeze(address indexed from, uint256 value); /* Initializes contract with initial supply tokens to the creator of the contract */ function CooToken() { balanceOf[msg.sender] = 10084800000000000; // Give the creator all initial tokens totalSupply = 10084800000000000; // Update total supply name = 'CooCoin'; // Set the name for display purposes symbol = 'Coo'; // Set the symbol for display purposes decimals = 8; // Amount of decimals for display purposes } /* Send tokens */ function transfer(address _to, uint256 _value) { if (_to == 0x0) revert(); // Prevent transfer to 0x0 address. Use burn() instead if (_value <= 0) revert(); if (balanceOf[msg.sender] < _value) revert(); // Check if the sender has enough if (balanceOf[_to] + _value < balanceOf[_to]) revert(); // Check for overflows balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient Transfer(msg.sender, _to, _value); // Notify anyone listening that this transfer took place } /* Allow another contract to spend some tokens in your behalf */ function approve(address _spender, uint256 _value) returns (bool success) { if (_value <= 0) revert(); allowance[msg.sender][_spender] = _value; return true; } /* Transfer tokens */ function transferFrom(address _from, address _to, uint256 _value) returns (bool success) { if (_to == 0x0) revert(); // Prevent transfer to 0x0 address. Use burn() instead if (_value <= 0) revert(); if (balanceOf[_from] < _value) revert(); // Check if the sender has enough if (balanceOf[_to] + _value < balanceOf[_to]) revert(); // Check for overflows if (_value > allowance[_from][msg.sender]) revert(); // Check allowance balanceOf[_from] = SafeMath.safeSub(balanceOf[_from], _value); // Subtract from the sender balanceOf[_to] = SafeMath.safeAdd(balanceOf[_to], _value); // Add the same to the recipient allowance[_from][msg.sender] = SafeMath.safeSub(allowance[_from][msg.sender], _value); Transfer(_from, _to, _value); return true; } /* Destruction of the token */ function burn(uint256 _value) returns (bool success) { if (balanceOf[msg.sender] < _value) revert(); // Check if the sender has enough if (_value <= 0) revert(); balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender totalSupply = SafeMath.safeSub(totalSupply,_value); // Updates totalSupply Burn(msg.sender, _value); return true; } function freeze(uint256 _value) returns (bool success) { if (balanceOf[msg.sender] < _value) revert(); // Check if the sender has enough if (_value <= 0) revert(); balanceOf[msg.sender] = SafeMath.safeSub(balanceOf[msg.sender], _value); // Subtract from the sender freezeOf[msg.sender] = SafeMath.safeAdd(freezeOf[msg.sender], _value); // Updates frozen tokens Freeze(msg.sender, _value); return true; } function unfreeze(uint256 _value) returns (bool success) { if (freezeOf[msg.sender] < _value) revert(); // Check if the sender has enough if (_value <= 0) revert(); freezeOf[msg.sender] = SafeMath.safeSub(freezeOf[msg.sender], _value); // Updates frozen tokens balanceOf[msg.sender] = SafeMath.safeAdd(balanceOf[msg.sender], _value); // Add to the sender Unfreeze(msg.sender, _value); return true; } /* Prevents accidental sending of Ether */ function () { revert(); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"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":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"unfreeze","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":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":"freezeOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"freeze","outputs":[{"name":"success","type":"bool"}],"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":[],"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":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Freeze","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Unfreeze","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://ba0f845d4b0651fa90e0c1d3f69e2643848fcde632bfe4ae09f90fe1ec928391
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