internal

type AppContext struct {
	DB          *gorm.DB
	DBMigration Migrations
	FetchTask   FetchTask
}

type Config struct {
	DBHost     string `yaml:"dbHost" env:"DB_HOST" env-default:"localhost"`
	DBPort     string `yaml:"dbPort" env:"DB_PORT" env-default:"5432"`
	DBUserName string `yaml:"dbUsername" env:"DB_USER"`
	DBPassword string `yaml:"dbPassword" env:"DB_PASSWORD"`
	DB         string `yaml:"db" env:"DB" env-default:"postgres"`
}

type FetchTask struct {
	Store     MetricsStore
	Frequency time.Duration
}

type MetricsStore interface {
	New(balance TokenBalance)
}

type Migrations struct {
	Migrators []Migrator
}

type Migrator interface {
	Migrate() error
}

type TokenBalance struct {
	Balance   float64
	TokenName string
	TimeStamp time.Time
}