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[wip] modifications for expected output #1

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[wip] modifications for expected output #1

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2 changes: 2 additions & 0 deletions go.mod
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Expand Up @@ -11,3 +11,5 @@ require (
github.com/ipld/go-ipld-prime v0.16.0
github.com/ipld/go-ipld-prime/storage/bsadapter v0.0.0-20211210234204-ce2a1c70cd73
)

replace github.com/ipld/go-car/v2 => ../go-car/v2
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@willscott ?

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i can link it against ipld/go-car#305 if you car, but was developing the two together. this code demonstration ended up as a test case in that go-car PR

9 changes: 7 additions & 2 deletions main.go
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Expand Up @@ -36,7 +36,7 @@ import (
func main() {
// ---------------- create UnixFS DAG in-memory
ls := cidlink.DefaultLinkSystem()
storage := cidlink.Memory{}
storage := cidlink.Memory{Bag: make(map[string][]byte)}
ls.StorageWriteOpener = storage.OpenWrite
ls.StorageReadOpener = func(c linking.LinkContext, lnk datamodel.Link) (io.Reader, error) {
return storage.OpenRead(c, lnk)
Expand Down Expand Up @@ -99,8 +99,13 @@ func createCarv1(ls *linking.LinkSystem, rootCid cid.Cid) *bytes.Buffer {
sel := sb.ExploreInterpretAs("unixfs", sb.MatcherSubset(0, 256*1000))
unixfsnode.AddUnixFSReificationToLinkSystem(ls)
var carbz bytes.Buffer

chooser := dagpb.AddSupportToChooser(func(l datamodel.Link, lc linking.LinkContext) (datamodel.NodePrototype, error) {
return basicnode.Prototype.Any, nil
})

_, err := car.TraverseV1(context.Background(), ls, rootCid, sel.Node(), &carbz, car.StoreIdentityCIDs(false), car.WithoutIndex(),
carv2bs.AllowDuplicatePuts(false), carv2bs.UseWholeCIDs(false))
carv2bs.AllowDuplicatePuts(false), carv2bs.UseWholeCIDs(false), car.WithTraversalPrototypeChooser(chooser))
if err != nil {
panic(err)
}
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