// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @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.
 */
abstract contract PnsOwnable {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(msg.sender);
    }

    modifier onlyOwner() {
        require(owner() == msg.sender, "Ownable: caller is not the owner");
        _;
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

pragma solidity 0.8.7;

contract PnsAddresses is PnsOwnable {

    constructor()  {

    }

    mapping(string => address) private _pnsAddresses;

    function setPnsAddresses(string[] memory _labels, address[] memory _addresses) public onlyOwner {
        require(_labels.length == _addresses.length, "Arrays do not match");

        for(uint256 i=0; i<_addresses.length; i++) {
            _pnsAddresses[_labels[i]] = _addresses[i];
        }
    }

    function getPnsAddress(string memory _label) public view returns(address) {
        return _pnsAddresses[_label];
    }
  
}