update datastore interface

flatfs.go

@@ -388,6 +388,16 @@ func (fs *Datastore) Put(key datastore.Key, value []byte) error {
 	return err
 }
 
+func (fs *Datastore) Sync(prefix datastore.Key) error {
+	fs.shutdownLock.RLock()
+	defer fs.shutdownLock.RUnlock()
+	if fs.shutdown {
+		return ErrClosed
+	}
+
+	return nil
+}
+
 func (fs *Datastore) doOp(oper *op) error {
 	switch oper.typ {
 	case opPut:

go.mod

 module github.com/ipfs/go-ds-flatfs
 
 require (
-	github.com/ipfs/go-datastore v0.2.0
+	github.com/ipfs/go-datastore v0.3.0
 	github.com/ipfs/go-log v0.0.1
 	github.com/jbenet/goprocess v0.1.3
 )

go.sum

@@ -6,8 +6,8 @@ github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/ipfs/go-datastore v0.2.0 h1:5Wjw6YXzZmtqU1MSrlws64+oLmSqea7gEajTcJickh8=
-github.com/ipfs/go-datastore v0.2.0/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
+github.com/ipfs/go-datastore v0.3.0 h1:9au0tYi/+n7xeUnGHG6davnS8x9hWbOzP/388Vx3CMs=
+github.com/ipfs/go-datastore v0.3.0/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRVNdgPHtbHw=
 github.com/ipfs/go-ipfs-delay v0.0.0-20181109222059-70721b86a9a8/go.mod h1:8SP1YXK1M1kXuc4KJZINY3TQQ03J2rwBG9QfXmbRPrw=
 github.com/ipfs/go-log v0.0.1 h1:9XTUN/rW64BCG1YhPK9Hoy3q8nr4gOmHHBpgFdfw6Lc=
 github.com/ipfs/go-log v0.0.1/go.mod h1:kL1d2/hzSpI0thNYjiKfjanbVNU+IIGA/WnNESY9leM=