58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package client
|
|
|
|
import (
|
|
"context"
|
|
"go.uber.org/fx"
|
|
"os"
|
|
|
|
"github.com/ipfs/go-cid"
|
|
chunker "github.com/ipfs/go-ipfs-chunker"
|
|
files "github.com/ipfs/go-ipfs-files"
|
|
ipld "github.com/ipfs/go-ipld-format"
|
|
"github.com/ipfs/go-unixfs/importer/balanced"
|
|
ihelper "github.com/ipfs/go-unixfs/importer/helpers"
|
|
)
|
|
|
|
type LocalStorage struct {
|
|
fx.In
|
|
|
|
LocalDAG ipld.DAGService
|
|
}
|
|
|
|
func (s *LocalStorage) ClientImport(ctx context.Context, path string) (cid.Cid, error) {
|
|
f, err := os.Open(path)
|
|
if err != nil {
|
|
return cid.Undef, err
|
|
}
|
|
stat, err := f.Stat()
|
|
if err != nil {
|
|
return cid.Undef, err
|
|
}
|
|
|
|
file, err := files.NewReaderPathFile(path, f, stat)
|
|
if err != nil {
|
|
return cid.Undef, err
|
|
}
|
|
|
|
bufferedDS := ipld.NewBufferedDAG(ctx, s.LocalDAG)
|
|
|
|
params := ihelper.DagBuilderParams{
|
|
Maxlinks: ihelper.DefaultLinksPerBlock,
|
|
RawLeaves: true,
|
|
CidBuilder: nil,
|
|
Dagserv: bufferedDS,
|
|
NoCopy: true,
|
|
}
|
|
|
|
db, err := params.New(chunker.DefaultSplitter(file))
|
|
if err != nil {
|
|
return cid.Undef, err
|
|
}
|
|
nd, err := balanced.Layout(db)
|
|
if err != nil {
|
|
return cid.Undef, err
|
|
}
|
|
|
|
return nd.Cid(), bufferedDS.Commit()
|
|
}
|