addNewTrade(tradeId, steamid, summ) {
      this.connection.query("INSERT INTO trades (`tradeId`, `steamid`, `summ`) VALUES ('" + tradeId + "', '" + steamid + "', '" + summ + "')", (error, row, results) => {
        if(error) {
          if(error.code === 'PROTOCOL_CONNECTION_LOST' || error.code === 'ECONNRESET') {
            return self.mysqlConnect()
          } else {
            return console.log(error)
          }
        } else {
          console.log("[!] Added new trade " + tradeId + " for " + steamid + ".")
        }
      })
    }