persister.go

/* mmbot - a constant interval market maker bot
Copyright (C) 2018  James Lovejoy

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>. */

package main

import (
	"encoding/json"
	"io/ioutil"
)

func SaveStruct(filename string, obj interface{}) error {
	out, err := json.MarshalIndent(obj, "", "    ")
	if err != nil {
		return err
	}

	err = ioutil.WriteFile(filename, out, 0600)
	if err != nil {
		return err
	}

	return nil
}

func LoadStruct(filename string, obj interface{}) error {
	in, err := ioutil.ReadFile(filename)
	if err != nil {
		return err
	}

	err = json.Unmarshal(in, obj)
	if err != nil {
		return err
	}

	return nil
}