pragma ever-solidity >= 0.68.0;

import "./../access/InternalOwner.tsol";
import "./RandomNonce.tsol";
import "./CheckPubKey.tsol";

contract LoudSpeaker is
    InternalOwner,
    RandomNonce,
    CheckPubKey
{
    event Echo(string text);

    constructor(address _owner) checkPubKey {
        tvm.accept();

        setOwnership(_owner);
    }

    function echo(string text) external view onlyOwner {
        emit Echo(text);
    }
}