// File: Context.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () { }

    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}
// File: Ownable.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "./Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: SEPA_Lock.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import "../Ownable.sol" ;

//@title SEPA Token contract interface
interface SEPA_token {                                     
    function transfer(address to, uint256 amount) external returns (bool);
}

//@title SEPA Lock Contract
contract SEPA_Lock is Ownable {
    
    address public token_addr ; 
    SEPA_token token_contract = SEPA_token(token_addr) ;
    
    bool public m1_withdrawn = false ; 
    bool public m2_withdrawn = false ; 

    /**
     * @dev Set SEPA Token contract address
     * @param _addr Address of SEPA Token contract
     */
    function set_token_contract(address _addr) external onlyOwner {
        token_addr = _addr ;
        token_contract = SEPA_token(token_addr) ;
    }
    
    function withdraw_whitelist(address _addr) external onlyOwner {
        require(block.timestamp >= 162057600, "Cannot withdraw locked whitelist tokens yet. Unlocked: Sun May 09 2021 16:00:00 GMT+0000") ; 
        
        token_contract.transfer(_addr, 9535e18) ; 
    }
    
    function withdraw_seed(address _addr) external onlyOwner {
        require(block.timestamp >= 162316800, "Cannot withdraw locked seed tokens yet. Unlocked: Tue Jun 08 2021 16:00:00 GMT+0000") ; 
        
        token_contract.transfer(_addr, 9378e18) ; 
    }

    function withdraw_marketing1(address _addr) external onlyOwner {
        require(block.timestamp > 162057600, "Cannot withdraw locked marketing1 tokens yet. Unlocked: Sun May 09 2021 16:00:00 GMT+0000") ; 
        require(m1_withdrawn == false) ; 
        
        m1_withdrawn = true ;
        token_contract.transfer(_addr, 1167e18) ;
    }
    
    function withdraw_marketing2(address _addr) external onlyOwner {
        require(block.timestamp > 162316000, "Cannot withdraw locked marketing2 tokens yet. Unlocked: Tue Jun 08 2021 16:00:00 GMT+0000") ; 
        require(m2_withdrawn == false) ; 
        
        m2_withdrawn = true ; 
        token_contract.transfer(_addr, 1166e18) ; 
    }
    
    function withdraw_marketing3(address _addr) external onlyOwner {
        require(block.timestamp > 162576000, "Cannot withdraw locked marketing3 tokens yet. Unlocked: Thu Jul 08 2021 16:00:00 GMT+0000") ; 
    
        token_contract.transfer(_addr, 1166e18) ; 
    }

}