Support unixfs reification in default linksystem (#329)

* feat(storeutil): add unixfs to known reifiers

N

* feat(impl): add test of unixfs adl fetch

* style(lint): fix static check

* feat(impl): use utility selector

* fix(unixfsnode): update to tagged versions

Author: hannahhoward

go.mod

@@ -3,14 +3,15 @@ module github.com/ipfs/go-graphsync
 go 1.16
 
 require (
+	github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c // indirect
 	github.com/hannahhoward/cbor-gen-for v0.0.0-20200817222906-ea96cece81f1
 	github.com/hannahhoward/go-pubsub v0.0.0-20200423002714-8d62886cc36e
 	github.com/ipfs/go-block-format v0.0.3
 	github.com/ipfs/go-blockservice v0.2.1
-	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-cid v0.1.0
 	github.com/ipfs/go-datastore v0.5.0
 	github.com/ipfs/go-ds-badger v0.3.0
-	github.com/ipfs/go-ipfs-blockstore v0.2.1
+	github.com/ipfs/go-ipfs-blockstore v1.1.2
 	github.com/ipfs/go-ipfs-blocksutil v0.0.1
 	github.com/ipfs/go-ipfs-chunker v0.0.5
 	github.com/ipfs/go-ipfs-delay v0.0.1
@@ -23,9 +24,10 @@ require (
 	github.com/ipfs/go-log/v2 v2.3.0
 	github.com/ipfs/go-merkledag v0.5.1
 	github.com/ipfs/go-peertaskqueue v0.7.1
-	github.com/ipfs/go-unixfs v0.2.4
+	github.com/ipfs/go-unixfs v0.3.1
+	github.com/ipfs/go-unixfsnode v1.2.0
 	github.com/ipld/go-codec-dagpb v1.3.0
-	github.com/ipld/go-ipld-prime v0.14.3
+	github.com/ipld/go-ipld-prime v0.14.4
 	github.com/jbenet/go-random v0.0.0-20190219211222-123a90aedc0c
 	github.com/libp2p/go-buffer-pool v0.0.2
 	github.com/libp2p/go-libp2p v0.16.0
@@ -35,6 +37,7 @@ require (
 	github.com/libp2p/go-msgio v0.1.0
 	github.com/multiformats/go-multiaddr v0.4.0
 	github.com/multiformats/go-multihash v0.1.0
+	github.com/smartystreets/assertions v1.0.0 // indirect
 	github.com/stretchr/testify v1.7.0
 	github.com/whyrusleeping/cbor-gen v0.0.0-20210219115102-f37d292932f2
 	go.opentelemetry.io/otel v1.2.0