update to the latest go-merkledag, enable concurrent fetching of the …

…pinset

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/ipfs/go-ipld-cbor v0.0.2
 	github.com/ipfs/go-ipld-format v0.0.2
 	github.com/ipfs/go-log v0.0.1
-	github.com/ipfs/go-merkledag v0.2.0
+	github.com/ipfs/go-merkledag v0.2.1
 	github.com/ipfs/go-verifcid v0.0.1
 	github.com/libp2p/go-libp2p-core v0.0.3
 	github.com/libp2p/go-libp2p-testing v0.0.4

go.sum

@@ -102,6 +102,8 @@ 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=
 github.com/ipfs/go-merkledag v0.2.0 h1:EAjIQCgZ6/DnOAlKY3+59j72FD9BsYtNaCRSmN0xIbU=
 github.com/ipfs/go-merkledag v0.2.0/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
+github.com/ipfs/go-merkledag v0.2.1 h1:rHJeuK6+cRzvY4uA9QMPFq9t6I2DKV0oeaKNecnoeeg=
+github.com/ipfs/go-merkledag v0.2.1/go.mod h1:SQiXrtSts3KGNmgOzMICy5c0POOpUNQLvB3ClKnBAlk=
 github.com/ipfs/go-metrics-interface v0.0.1 h1:j+cpbjYvu4R8zbleSs36gvB7jR+wsL2fGD6n0jO4kdg=
 github.com/ipfs/go-metrics-interface v0.0.1/go.mod h1:6s6euYU4zowdslK0GKHmqaIZ3j/b/tL7HTWtJ4VPgWY=
 github.com/ipfs/go-peertaskqueue v0.1.0 h1:bpRbgv76eT4avutNPDFZuCPOQus6qTgurEYxfulgZW4=

simple/reprovide.go

@@ -18,7 +18,7 @@ import (
 
 var logR = logging.Logger("reprovider.simple")
 
-//KeyChanFunc is function streaming CIDs to pass to content routing
+// KeyChanFunc is function streaming CIDs to pass to content routing
 type KeyChanFunc func(context.Context) (<-chan cid.Cid, error)
 type doneFunc func(error)
 
@@ -216,7 +216,7 @@ func pinSet(ctx context.Context, pinning Pinner, dag ipld.DAGService, onlyRoots
 			if onlyRoots {
 				set.Visitor(ctx)(key)
 			} else {
-				err := merkledag.Walk(ctx, merkledag.GetLinksWithDAG(dag), key, set.Visitor(ctx))
+				err := merkledag.Walk(ctx, merkledag.GetLinksWithDAG(dag), key, set.Visitor(ctx), merkledag.Concurrent(), merkledag.WithRoot())
 				if err != nil {
 					logR.Errorf("reprovide indirect pins: %s", err)
 					return