Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• library SafeMath
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•  contract ERC20
•    - function balanceOf(address _owner)
•    - function transfer(address _to, uint _ ...
•    - function transferFrom(address _from, ...
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•  contract Ownable
•  contract BaseTokenVesting is Ownab ...
•    - function startVesting()
•    - function sendTokens(address _to, uint ...
•    - function release()
•    - function releasableAmount()
•    - function vestedAmount()
•  contract TokenVestingWithConstantP ... *
•    - function release()
•    - function releasableAmount()
•    - function vestedAmount()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-07-18
*/

pragma solidity ^0.4.24;
// Developed by Phenom.Team <[email protected]>

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {

    /**
    * @dev Multiplies two numbers, throws on overflow.
    */
    function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
        // Gas optimization: this is cheaper than asserting 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
        if (a == 0) {
            return 0;
        }

        c = a * b;
        assert(c / a == b);
        return c;
    }

    /**
    * @dev Integer division of two numbers, truncating the quotient.
    */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        // uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return a / b;
    }

    /**
    * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
    */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    /**
    * @dev Adds two numbers, throws on overflow.
    */
    function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
        c = a + b;
        assert(c >= a);
        return c;
    }
}

contract ERC20 {
    uint public totalSupply;

    mapping(address => uint) balances;
    mapping(address => mapping (address => uint)) allowed;

    function balanceOf(address _owner) view returns (uint);
    function transfer(address _to, uint _value) returns (bool);
    function transferFrom(address _from, address _to, uint _value) returns (bool);
    function approve(address _spender, uint _value) returns (bool);
    function allowance(address _owner, address _spender) view returns (uint);

    event Transfer(address indexed _from, address indexed _to, uint _value);
    event Approval(address indexed _owner, address indexed _spender, uint _value);

}

contract Ownable {
    address public owner;

    constructor() public {
        owner = tx.origin;
    }

    modifier onlyOwner() {
        require(msg.sender == owner, 'ownership is required');
        _;
    }
}

contract BaseTokenVesting is Ownable() {
    using SafeMath for uint;

    address public beneficiary;
    ERC20 public token;

    bool public vestingHasStarted;
    uint public start;
    uint public cliff;
    uint public vestingPeriod;

    uint public released;

    event Released(uint _amount);

    constructor(
		address _benificiary,
		uint _cliff,
		uint _vestingPeriod,
		address _token
	) internal 
	{
        require(_benificiary != address(0), 'can not send to zero-address');

        beneficiary = _benificiary;
        cliff = _cliff;
        vestingPeriod = _vestingPeriod;
        token = ERC20(_token);
    }

    function startVesting() public onlyOwner {
        vestingHasStarted = true;
        start = now;
        cliff = cliff.add(start);
    }

    function sendTokens(address _to, uint _amount) public onlyOwner {
        require(vestingHasStarted == false, 'send tokens only if vesting has not been started');
        require(token.transfer(_to, _amount), 'token.transfer has failed');
    }

    function release() public;

    function releasableAmount() public view returns (uint _amount);

    function vestedAmount() public view returns (uint _amount);
}

contract TokenVestingWithConstantPercent is BaseTokenVesting {

    uint public periodPercent;

    constructor(
        address _benificiary,
        uint _cliff,
        uint _vestingPeriod,
        address _tokenAddress,
        uint _periodPercent
    ) 
        BaseTokenVesting(_benificiary, _cliff, _vestingPeriod, _tokenAddress)
        public 
    {
        periodPercent = _periodPercent;
    }

    function release() public {
        require(vestingHasStarted, 'vesting has not started');
        uint unreleased = releasableAmount();

        require(unreleased > 0, 'released amount has to be greter than zero');
        require(token.transfer(beneficiary, unreleased), 'revert on transfer failure');
        released = released.add(unreleased);
        emit Released(unreleased);
    }


    function releasableAmount() public view returns (uint _amount) {
        _amount = vestedAmount().sub(released);
    }

    function vestedAmount() public view returns (uint _amount) {
        uint currentBalance = token.balanceOf(this);
        uint totalBalance = currentBalance.add(released);

        if (now < cliff || !vestingHasStarted) {
            _amount = 0;
        }
        else if (now.sub(cliff).div(vestingPeriod).mul(periodPercent) > 100) {
            _amount = totalBalance;
        }
        else {
            _amount = totalBalance.mul(now.sub(cliff).div(vestingPeriod).mul(periodPercent)).div(100);
        }
    }

    

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"sendTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"cliff","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"beneficiary","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"vestedAmount","outputs":[{"name":"_amount","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"releasableAmount","outputs":[{"name":"_amount","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"vestingPeriod","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"release","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"released","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"periodPercent","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"vestingHasStarted","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"start","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"startVesting","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_benificiary","type":"address"},{"name":"_cliff","type":"uint256"},{"name":"_vestingPeriod","type":"uint256"},{"name":"_tokenAddress","type":"address"},{"name":"_periodPercent","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_amount","type":"uint256"}],"name":"Released","type":"event"}]

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

bzzr://a56c90f9ccab636ad2126e269a75d8a0c2efc8c2fd63e7d63ee946fc6f019ae3