Function Init

model/main.go:22–50

Init initializes DB connection instance and do migration at startup.

()

// Init initializes DB connection instance and do migration at startup.
func Init() {
	if DB != nil { // initialized
		return
	}
	dsn := config.GetDatabaseDSN(config.C.DB.Host)
	var err error

	DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
	if err != nil {
		l.Fatalf("Error when opening DB: %s\n", err.Error())
	}

	err = DB.AutoMigrate(
		&Proof{},
		&ProofChain{},
	)
	if err != nil {
		panic(err)
	}

	readOnlyHost := lo.Sample(config.C.DB.ReadOnlyHosts)
	readOnlyDSN := config.GetDatabaseDSN(readOnlyHost)
	ReadOnlyDB, err = gorm.Open(postgres.Open(readOnlyDSN), &gorm.Config{})
	if err != nil {
		panic(err)
	}

	l.Info("database initialized")
}