public static register(login: string, email: string, password: string, repassword: string) {
    return new Promise((resolve, reject) => {
        if (password != repassword) {
            reject("The passwords are different!")
        }
        let activatedKey = crypto.randomBytes(32).toString('base64');
        let salt = crypto.randomBytes(32).toString('base64');
        let passwordHash = crypto.createHash('sha256').update(password + salt).digest('base64');

        Database.pool.getConnection(function(error, connection) {
            if (error) {
                reject("getConnection register error");
            }
            connection.query("INSERT INTO accounts SET login = ?, \
            password = ?, email = ?, salt = ?, activated_key = ?, activated = 0",
            [login, passwordHash, email, salt, activatedKey],
            function(error, result, fields) {
                connection.release();
                if (error) {
                    reject("query register error");
                }
                resolve("Success register");
            });
        });
    });
}


Account.register(login, email, password, repassword).then(
    result => {
        print(player, <string>result);
    },
    error => {
        print(player, "Error: " + error);
    }
);