prysm-pulse/beacon-chain/chaintest/backend/setup_db.go
Nishant Das f46ee335bd
Allow Sync Service to Query State Of Network (#787)
* adding proto messages

* adding fields

* adding new service

* new changes

* checking in file from syncFix

* fixing test

* add test

* adding to node

* goimports

* adding query service to sync services

* sync working

* finally works

* fix test

* lint

* fix build

* fix test
2018-11-19 09:59:11 +08:00

36 lines
930 B
Go

package backend
import (
"crypto/rand"
"fmt"
"math/big"
"os"
"path"
"github.com/prysmaticlabs/prysm/beacon-chain/db"
log "github.com/sirupsen/logrus"
)
// setupDB instantiates and returns a simulated backend BeaconDB instance.
func setupDB() (*db.BeaconDB, error) {
randPath, err := rand.Int(rand.Reader, big.NewInt(1000000))
if err != nil {
return nil, fmt.Errorf("could not generate random file path: %v", err)
}
path := path.Join(os.TempDir(), fmt.Sprintf("/%d", randPath))
if err := os.RemoveAll(path); err != nil {
return nil, fmt.Errorf("failed to remove directory: %v", err)
}
return db.NewDB(path)
}
// teardownDB cleans up a simulated backend BeaconDB instance.
func teardownDB(db *db.BeaconDB) {
if err := db.Close(); err != nil {
log.Fatalf("failed to close database: %v", err)
}
if err := os.RemoveAll(db.DatabasePath); err != nil {
log.Fatalf("could not remove tmp db dir: %v", err)
}
}