func (cf *Config) GetChainstore() (chainstore.Store, error) {
// First, reset cache storage path
err := filepath.Walk(
cf.Chainstore.Path,
func(path string, info os.FileInfo, err error) error {
if cf.Chainstore.Path == path {
return nil // skip the root
}
if err = os.RemoveAll(path); err != nil {
return fmt.Errorf("Failed to remove or clean the directory: %s, because: %s", path, err)
}
return nil
},
)
if err != nil {
return nil, err
}
// TODO: impl another kind of lrumgr (or option) to be based on number of keys, not filesize
// at which point, we can add a method called .Keys() that will return the keys
// matching some query from a Store, and we can seed the LRU this way, and keep
// the bolt data..
// Build the stores and setup the chain
memStore := memstore.New(cf.Chainstore.MemCacheSize * 1024 * 1024)
diskStore := lrumgr.New(cf.Chainstore.DiskCacheSize*1024*1024,
metricsmgr.New("fn.store.bolt", nil,
levelstore.New(cf.Chainstore.Path),
),
)
var store chainstore.Store
if cf.Chainstore.S3AccessKey != "" && cf.Chainstore.S3SecretKey != "" {
s3Store := metricsmgr.New("fn.store.s3", nil,
s3store.New(cf.Chainstore.S3Bucket, cf.Chainstore.S3AccessKey, cf.Chainstore.S3SecretKey),
)
store = chainstore.New(memStore, chainstore.Async(diskStore, s3Store))
} else {
store = chainstore.New(memStore, chainstore.Async(diskStore))
}
if err := store.Open(); err != nil {
return nil, err
}
return store, nil
}
func TestLevelStore(t *testing.T) {
var store chainstore.Store
var err error
store = levelstore.New(chainstore.TempDir())
err = store.Open()
if err != nil {
t.Error(err)
}
defer store.Close()
Convey("Leveldb Open", t, func() {
Convey("Put a bunch of objects", func() {
e1 := store.Put("hi", []byte{1, 2, 3})
e2 := store.Put("bye", []byte{4, 5, 6})
So(e1, ShouldEqual, nil)
So(e2, ShouldEqual, nil)
})
Convey("Get those objects", func() {
v1, _ := store.Get("hi")
v2, _ := store.Get("bye")
So(v1, ShouldResemble, []byte{1, 2, 3})
So(v2, ShouldResemble, []byte{4, 5, 6})
})
Convey("Delete those objects", func() {
e1 := store.Del("hi")
e2 := store.Del("bye")
So(e1, ShouldEqual, nil)
So(e2, ShouldEqual, nil)
})
})
}