/**
 * Source Code first verified at https://etherscan.io on Tuesday, April 30, 2019
 (UTC) */

// File: node_modules\openzeppelin-solidity\contracts\token\ERC20\IERC20.sol

pragma solidity ^0.5.2;

/**
 * @title ERC20 interface
 * @dev see https://eips.ethereum.org/EIPS/eip-20
 */
interface IERC20 {
    function transfer(address to, uint256 value) external returns (bool);

    function approve(address spender, uint256 value) external returns (bool);

    function transferFrom(address from, address to, uint256 value) external returns (bool);

    function totalSupply() external view returns (uint256);

    function balanceOf(address who) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: node_modules\openzeppelin-solidity\contracts\math\SafeMath.sol

pragma solidity ^0.5.2;

/**
 * @title SafeMath
 * @dev Unsigned math operations with safety checks that revert on error
 */
library SafeMath {
    /**
     * @dev Multiplies two unsigned integers, reverts on overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring '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;
        }

        uint256 c = a * b;
        require(c / a == b);

        return c;
    }

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

        return c;
    }

    /**
     * @dev Subtracts two unsigned integers, 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 unsigned integers, reverts on overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a);

        return c;
    }

    /**
     * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
     * reverts when dividing by zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0);
        return a % b;
    }
}

// File: openzeppelin-solidity\contracts\token\ERC20\ERC20.sol

pragma solidity ^0.5.2;



/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * https://eips.ethereum.org/EIPS/eip-20
 * Originally based on code by FirstBlood:
 * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 *
 * This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
 * all accounts just by listening to said events. Note that this isn't required by the specification, and other
 * compliant implementations may not do it.
 */
contract ERC20 is IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowed;

    uint256 private _totalSupply;

    /**
     * @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 balance of.
     * @return A 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 to 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) {
        _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) {
        _approve(msg.sender, spender, value);
        return true;
    }

    /**
     * @dev Transfer tokens from one address to another.
     * Note that while this function emits an Approval event, this is not required as per the specification,
     * and other compliant implementations may not emit the event.
     * @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) {
        _transfer(from, to, value);
        _approve(from, msg.sender, _allowed[from][msg.sender].sub(value));
        return true;
    }

    /**
     * @dev Increase the amount of tokens that an owner allowed to a spender.
     * approve should be called when _allowed[msg.sender][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
     * Emits an Approval event.
     * @param spender The address which will spend the funds.
     * @param addedValue The amount of tokens to increase the allowance by.
     */
    function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
        _approve(msg.sender, spender, _allowed[msg.sender][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Decrease the amount of tokens that an owner allowed to a spender.
     * approve should be called when _allowed[msg.sender][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
     * Emits an Approval event.
     * @param spender The address which will spend the funds.
     * @param subtractedValue The amount of tokens to decrease the allowance by.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
        _approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue));
        return true;
    }

    /**
     * @dev Transfer token for a specified addresses
     * @param from The address to transfer from.
     * @param to The address to transfer to.
     * @param value The amount to be transferred.
     */
    function _transfer(address from, address to, uint256 value) internal {
        require(to != address(0));

        _balances[from] = _balances[from].sub(value);
        _balances[to] = _balances[to].add(value);
        emit Transfer(from, to, value);
    }

    /**
     * @dev Internal function that mints an amount of the token and assigns it to
     * an account. This encapsulates the modification of balances such that the
     * proper events are emitted.
     * @param account The account that will receive the created tokens.
     * @param value The amount that will be created.
     */
    function _mint(address account, uint256 value) internal {
        require(account != address(0));

        _totalSupply = _totalSupply.add(value);
        _balances[account] = _balances[account].add(value);
        emit Transfer(address(0), account, value);
    }

    /**
     * @dev Internal function that burns an amount of the token of a given
     * account.
     * @param account The account whose tokens will be burnt.
     * @param value The amount that will be burnt.
     */
    function _burn(address account, uint256 value) internal {
        require(account != address(0));

        _totalSupply = _totalSupply.sub(value);
        _balances[account] = _balances[account].sub(value);
        emit Transfer(account, address(0), value);
    }

    /**
     * @dev Approve an address to spend another addresses' tokens.
     * @param owner The address that owns the tokens.
     * @param spender The address that will spend the tokens.
     * @param value The number of tokens that can be spent.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        require(spender != address(0));
        require(owner != address(0));

        _allowed[owner][spender] = value;
        emit Approval(owner, spender, value);
    }

    /**
     * @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.
     * Emits an Approval event (reflecting the reduced allowance).
     * @param account The account whose tokens will be burnt.
     * @param value The amount that will be burnt.
     */
    function _burnFrom(address account, uint256 value) internal {
        _burn(account, value);
        _approve(account, msg.sender, _allowed[account][msg.sender].sub(value));
    }
}

// File: openzeppelin-solidity\contracts\token\ERC20\ERC20Detailed.sol

pragma solidity ^0.5.2;


/**
 * @title ERC20Detailed token
 * @dev The decimals are only for visualization purposes.
 * All the operations are done using the smallest and indivisible token unit,
 * just as on Ethereum all the operations are done in wei.
 */
contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    constructor (string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

    /**
     * @return the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @return the symbol of the token.
     */
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    /**
     * @return the number of decimals of the token.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }
}

// File: openzeppelin-solidity\contracts\ownership\Ownable.sol

pragma solidity ^0.5.2;

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev The Ownable constructor sets the original `owner` of the contract to the sender
     * account.
     */
    constructor () internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

    /**
     * @return the address of the owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner());
        _;
    }

    /**
     * @return true if `msg.sender` is the owner of the contract.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

    /**
     * @dev Allows the current owner to relinquish control of the contract.
     * It will not be possible to call the functions with the `onlyOwner`
     * modifier anymore.
     * @notice Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0));
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: contracts\lib\lifecycle\Pausable.sol

pragma solidity ^0.5.2;


/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
    event Paused(address account);
    event Unpaused(address account);
    event PausableRenounced(address account);

    bool private _paused;
    bool private _pausable;

    constructor () internal {
        _paused = false;
        _pausable = true;
    }

    /**
     * @return True if the contract is paused, false otherwise.
     */
    function paused() public view returns (bool) {
        return _paused;
    }

    /**
     * @return True if the contract is pausable, false otherwise.
     */
    function pausable() public view returns (bool) {
        return _pausable;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     */
    modifier whenNotPaused() {
        require(!_paused);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     */
    modifier whenPaused() {
        require(_paused);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not pausable.
     */
    modifier whenNotPausable() {
        require(!_pausable);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is pausable.
     */
    modifier whenPausable() {
        require(_pausable);
        _;
    }

    /**
     * @dev Called by the owner to pause.
     */
    function pause() public onlyOwner whenPausable whenNotPaused {
        _paused = true;
        emit Paused(msg.sender);
    }

    /**
     * @dev Called by the owner to unpause.
     */
    function unpause() public onlyOwner whenPaused {
        _paused = false;
        emit Unpaused(msg.sender);
    }

    /**
     * @dev Called by the owner to unpause.
     */
    function renouncePausable() public onlyOwner whenPausable {
        _pausable = false;
        emit PausableRenounced(msg.sender);
    }
}

// File: contracts\lib\token\ERC20Pausable.sol

pragma solidity ^0.5.2;



/**
 * @title Pausable token
 * @dev ERC20 modified with pausable transfers.
 */
contract ERC20Pausable is ERC20, Pausable {
    function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transfer(to, value);
    }

    function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transferFrom(from, to, value);
    }

    function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
        return super.approve(spender, value);
    }

    function increaseAllowance(address spender, uint addedValue) public whenNotPaused returns (bool) {
        return super.increaseAllowance(spender, addedValue);
    }

    function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool) {
        return super.decreaseAllowance(spender, subtractedValue);
    }     
}

// File: contracts\lib\lifecycle\WalletPausable.sol

pragma solidity ^0.5.2;


/**
 * @title WalletPausable
 * @dev Base contract which allows children to implement an emergency stop mechanism for wallets.
 */
contract WalletPausable is Ownable {
    event WalletPaused(address account, address wallet);
    event WalletUnpaused(address account, address wallet);
    event WalletPausableRenounced(address account);

    mapping (address => bool) private _walletPaused;
    bool private _walletPausable;

    constructor () internal {
        _walletPausable = true;
    }     
 
    /**
     * @return True if the wallet is paused, false otherwise.
     */
    function walletPaused(address _wallet) public view returns (bool) {
        return _walletPaused[_wallet];
    }

    /**
     * @return True if the wallets are pausable, false otherwise.
     */
    function walletPausable() public view returns (bool) {
        return _walletPausable;
    }

    /**
     * @dev Modifier to make a function callable only when the wallet is not paused.
     */
    modifier whenWalletNotPaused(address _wallet) {
        require(!_walletPaused[_wallet]);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the wallet is paused.
     */
    modifier whenWalletPaused(address _wallet) {
        require(_walletPaused[_wallet]);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the wallets are not pausable.
     */
    modifier whenWalletNotPausable() {
        require(!_walletPausable);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the wallets are pausable.
     */
    modifier whenWalletPausable() {
        require(_walletPausable);
        _;
    }

    /**
     * @dev Called by owner to pause wallet.
     */
    function pauseWallet(address _wallet) public onlyOwner whenWalletPausable whenWalletNotPaused(_wallet) {
        _pauseWallet(_wallet);
    }

    /**
     * @dev Pauses the wallet.
     */
    function _pauseWallet(address _wallet) internal {
        _walletPaused[_wallet] = true;
        emit WalletPaused(msg.sender, _wallet);
    }

    /**
     * @dev Called by owner to unpause wallet.
     */
    function unpauseWallet(address _wallet) public onlyOwner whenWalletPaused(_wallet) {
        _unpauseWallet(_wallet);
    }

    /**
     * @dev Unpauses the wallet.
     */
    function _unpauseWallet(address _wallet) internal {
        _walletPaused[_wallet] = false;
        emit WalletUnpaused(msg.sender, _wallet);
    }

    /**
     * @dev Called by owner to renounce the pausability of wallets.
     */
    function renounceWalletPausable() public onlyOwner whenWalletPausable {
        _walletPausable = false;
        emit WalletPausableRenounced(msg.sender);
    }
}

// File: contracts\lib\token\ERC20WalletPausable.sol

pragma solidity ^0.5.2;



/**
 * @title Token with pausable wallets
 * @dev ERC20 modified with wallet pausable transfers.
 */
contract ERC20WalletPausable is ERC20, WalletPausable {
    function transfer(address to, uint256 value) public whenWalletNotPaused(msg.sender) returns (bool) {
        return super.transfer(to, value);
    }

    function transferFrom(address from, address to, uint256 value) public whenWalletNotPaused(from) returns (bool) {
        return super.transferFrom(from, to, value);
    }

    function approve(address spender, uint256 value) public whenWalletNotPaused(msg.sender) returns (bool) {
        return super.approve(spender, value);
    }

    function increaseAllowance(address spender, uint addedValue) public whenWalletNotPaused(msg.sender) returns (bool) {
        return super.increaseAllowance(spender, addedValue);
    }

    function decreaseAllowance(address spender, uint subtractedValue) public whenWalletNotPaused(msg.sender) returns (bool) {
        return super.decreaseAllowance(spender, subtractedValue);
    }     
}

// File: contracts\lib\lifecycle\TransferAndPause.sol

pragma solidity ^0.5.2;


/**
 * @title TransferAndPause
 * @dev Base contract which allows children to implement transfer and pause.
 */
contract TransferAndPause is Ownable {
    event TransferAndPauseRenounced(address account);

    bool private _transferAndPauseEnabled;

    constructor () internal {
        _transferAndPauseEnabled = true;
    }     
 
    /**
     * @return True if the transfer and pause mechanism is enabled, false otherwise.
     */
    function transferAndPauseEnabled() public view returns (bool) {
        return _transferAndPauseEnabled;
    }

    /**
     * @dev Modifier to make a function callable only when the transfer and pause mechanism is not enabled.
     */
    modifier whenTransferAndPauseNotEnabled() {
        require(!_transferAndPauseEnabled);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the transfer and pause mechanism is enabled.
     */
    modifier whenTransferAndPauseEnabled() {
        require(_transferAndPauseEnabled);
        _;
    }

    /**
     * @dev Called by owner to renounce the pausability of transfers.
     */
    function renounceTransferAndPause() public onlyOwner whenTransferAndPauseEnabled {
        _transferAndPauseEnabled = false;
        emit TransferAndPauseRenounced(msg.sender);
    }
}

// File: contracts\Ortp.sol

pragma solidity ^0.5.2;







contract Ortp is ERC20, ERC20Detailed, Ownable, ERC20Pausable, ERC20WalletPausable, TransferAndPause {
    uint8 public constant DECIMALS = 18;
    uint256 public constant INITIAL_SUPPLY = 40000000000 * (10 ** uint256(DECIMALS));

    constructor () public ERC20Detailed("Orientum Plus", "ORTP", DECIMALS) {
        _mint(msg.sender, INITIAL_SUPPLY);
    }

    function renounceOwnership() public onlyOwner {
        revert();
    } 

    function transferAndPause(address to, uint256 value) public whenNotPaused whenWalletNotPaused(msg.sender) whenTransferAndPauseEnabled returns (bool) {
        require(value > 0);
        require(transfer(to, value));
        _pauseWallet(to);
        return true;
    }

    function transferFromAndPause(address from, address to, uint256 value) public whenNotPaused whenWalletNotPaused(from) whenTransferAndPauseEnabled returns (bool) {
        require(value > 0);
        require(transferFrom(from, to, value));
        _pauseWallet(to);
        return true;
    }
}