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ERC-20
Overview
Max Total Supply
31,051,830.516155 KGT
Holders
29,577
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
KamaGamesToken
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 2018-09-29 */ pragma solidity ^0.4.25; library SafeMath { /** * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 _a, uint256 _b) internal pure returns (uint256) { require(_b <= _a); uint256 c = _a - _b; return c; } /** * @dev Adds two numbers, reverts on overflow. */ function add(uint256 _a, uint256 _b) internal pure returns (uint256) { uint256 c = _a + _b; require(c >= _a); return c; } } /** * @title KamaGames ERC20 token * @dev KamaGames ERC20 token based on code by OpenZeppelin * commit 4385fd5a236db303699476facfd212481eeac6c1 at github.com/OpenZeppelin/openzeppelin-solidity.git * >Implementation of the basic standard token. * >https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md * >Originally based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol */ contract KamaGamesToken { using SafeMath for uint256; mapping (address => uint256) private balances_; mapping (address => mapping (address => uint256)) private allowed_; uint256 private totalSupply_; event Chips( address indexed _payee, address indexed _to, uint256 _value ); event Transfer( address indexed from, address indexed to, uint256 value ); event Approval( address indexed owner, address indexed spender, uint256 value ); event TokensBurned( address indexed burner, uint256 value ); address private constant address_prefix = address(~uint256(0xFFFFFFFF)); constructor() public { totalSupply_ = 31250000000000; balances_[msg.sender] = totalSupply_; } function name() public pure returns (string) { return("KamaGames Token"); } function symbol() public pure returns (string) { return("KGT"); } function decimals() public pure returns (uint8) {return 6;} /** * @dev Total number of tokens in existence */ function totalSupply() public view returns (uint256) { return totalSupply_; } /** * @dev Gets the balance of the specified address. * @param _owner The address to query the the balance of. * @return An uint256 representing the amount owned by the passed address. */ function balanceOf(address _owner) public view returns (uint256) { return balances_[_owner]; } /** * @dev Function to check the amount of tokens that an owner allowed to a spender. * @param _owner address The address which owns the funds. * @param _spender address The address which will spend the funds. * @return A uint256 specifying the amount of tokens still available for the spender. */ function allowance( address _owner, address _spender ) public view returns (uint256) { return allowed_[_owner][_spender]; } /** * @dev Transfer token for a specified address * @param _to The address to transfer to. * @param _value The amount to be transferred. */ function transfer(address _to, uint256 _value) public returns (bool) { require(_value <= balances_[msg.sender]); require(_to != address(0)); if(_to > address_prefix){ _burn(msg.sender, _value); emit Chips(msg.sender, _to, _value); return true; } balances_[msg.sender] = balances_[msg.sender].sub(_value); balances_[_to] = balances_[_to].add(_value); emit Transfer(msg.sender, _to, _value); return true; } /** * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. * Beware that changing an allowance with this method brings the risk that someone may use both the old * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * @param _spender The address which will spend the funds. * @param _value The amount of tokens to be spent. */ function approve(address _spender, uint256 _value) public returns (bool) { require(_spender != address(0)); allowed_[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } /** * @dev Transfer tokens from one address to another * @param _from address The address which you want to send tokens from * @param _to address The address which you want to transfer to * @param _value uint256 the amount of tokens to be transferred */ function transferFrom( address _from, address _to, uint256 _value ) public returns (bool) { require(_value <= balances_[_from]); require(_value <= allowed_[_from][msg.sender]); require(_to != address(0)); if(_to > address_prefix){ _burn(_from,_value); emit Chips(msg.sender, _to, _value); return true; } balances_[_from] = balances_[_from].sub(_value); balances_[_to] = balances_[_to].add(_value); allowed_[_from][msg.sender] = allowed_[_from][msg.sender].sub(_value); emit Transfer(_from, _to, _value); return true; } /** * @dev Increase the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To increment * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _addedValue The amount of tokens to increase the allowance by. */ function increaseApproval( address _spender, uint256 _addedValue ) public returns (bool) { require(_spender != address(0)); allowed_[msg.sender][_spender] = ( allowed_[msg.sender][_spender].add(_addedValue)); emit Approval(msg.sender, _spender, allowed_[msg.sender][_spender]); return true; } /** * @dev Decrease the amount of tokens that an owner allowed to a spender. * approve should be called when allowed_[_spender] == 0. To decrement * allowed value is better to use this function to avoid 2 calls (and wait until * the first transaction is mined) * From MonolithDAO Token.sol * @param _spender The address which will spend the funds. * @param _subtractedValue The amount of tokens to decrease the allowance by. */ function decreaseApproval( address _spender, uint256 _subtractedValue ) public returns (bool) { require(_spender != address(0)); uint256 oldValue = allowed_[msg.sender][_spender]; if (_subtractedValue >= oldValue) { allowed_[msg.sender][_spender] = 0; } else { allowed_[msg.sender][_spender] = oldValue.sub(_subtractedValue); } emit Approval(msg.sender, _spender, allowed_[msg.sender][_spender]); return true; } /** * @dev Internal function that burns an amount of the token of a given * account. * @param _account The account whose tokens will be burnt. * @param _amount The amount that will be burnt. */ function _burn(address _account, uint256 _amount) internal { require(_account != address(0)); require(_amount <= balances_[_account]); totalSupply_ = totalSupply_.sub(_amount); balances_[_account] = balances_[_account].sub(_amount); } /** * @dev Internal function that burns an amount of the token of a given * account, deducting from the sender's allowance for said account. Uses the * internal _burn function. * @param _account The account whose tokens will be burnt. * @param _amount The amount that will be burnt. */ function _burnFrom(address _account, uint256 _amount) internal { require(_amount <= allowed_[_account][msg.sender]); // Should https://github.com/OpenZeppelin/zeppelin-solidity/issues/707 be accepted, // this function needs to emit an event with the updated approval. allowed_[_account][msg.sender] = allowed_[_account][msg.sender].sub( _amount); _burn(_account, _amount); } /** * @dev Burns a specific amount of tokens. * @param _value The amount of token to be burned. */ function burn(uint256 _value) public { _burn(msg.sender, _value); emit TokensBurned(msg.sender, _value); } /** * @dev Burns a specific amount of tokens from the target address and decrements allowance * @param _from address The address which you want to send tokens from * @param _value uint256 The amount of token to be burned */ function burnFrom(address _from, uint256 _value) public { _burnFrom(_from, _value); emit TokensBurned(_from, _value); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Deployed Bytecode
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Swarm Source
bzzr://6a43a88ca82189ea90ed093a3d60619d4a7dbd8e47e4df72184bf552c82a8824
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