let con = mysql.createPool({
  connectionLimit: 10,
  host: "157.245.50.123",
  user: "Admin-Zotova",
  password: "Zotova123$%^",
  database: "block_explorer"
});
con.getConnection((err, connection) => {
  if (err) {
    if (err.code === 'PROTOCOL_CONNECTION_LOST') {
      console.error('Database connection was closed.')
    }
    if (err.code === 'ER_CON_COUNT_ERROR') {
      console.error('Database has too many connections.')
    }
    if (err.code === 'ECONNREFUSED') {
      console.error('Database connection was refused.')
    }
  }
  if (connection) connection.release();

});

module.exports = con;