From b4c7f90beb7e9804f24ad862a662d1a2217f2229 Mon Sep 17 00:00:00 2001
From: Will Scott <will.scott@protocol.ai>
Date: Fri, 27 May 2022 22:16:59 +0200
Subject: [PATCH] [wip] modifications for expected output

---
 go.mod  | 2 ++
 main.go | 9 +++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/go.mod b/go.mod
index 339a871..295f74f 100644
--- a/go.mod
+++ b/go.mod
@@ -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
\ No newline at end of file
diff --git a/main.go b/main.go
index 1a732a0..5500272 100644
--- a/main.go
+++ b/main.go
@@ -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)
@@ -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)
 	}