annata

/**
 *Submitted for verification at Etherscan.io on 2020-05-04
*/

pragma solidity =0.5.16;

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);

annata

import javax.crypto.*;
import javax.crypto.spec.GCMParameterSpec;
import java.nio.ByteBuffer;
import java.security.SecureRandom;
import java.util.Arrays;

public class AESGCMUpdateAAD2 {

    // AES-GCM parameters
    public static final int AES_KEY_SIZE = 128; // in bits