func TestRecurivePathResolution(t *testing.T) {
ctx := context.Background()
dagService := dagmock.Mock()
a := randNode()
b := randNode()
c := randNode()
err := b.AddNodeLink("grandchild", c)
if err != nil {
t.Fatal(err)
}
err = a.AddNodeLink("child", b)
if err != nil {
t.Fatal(err)
}
for _, n := range []node.Node{a, b, c} {
_, err = dagService.Add(n)
if err != nil {
t.Fatal(err)
}
}
aKey := a.Cid()
segments := []string{aKey.String(), "child", "grandchild"}
p, err := path.FromSegments("/ipfs/", segments...)
if err != nil {
t.Fatal(err)
}
resolver := path.NewBasicResolver(dagService)
node, err := resolver.ResolvePath(ctx, p)
if err != nil {
t.Fatal(err)
}
cKey := c.Cid()
key := node.Cid()
if key.String() != cKey.String() {
t.Fatal(fmt.Errorf(
"recursive path resolution failed for %s: %s != %s",
p.String(), key.String(), cKey.String()))
}
}
func setupNode(ctx context.Context, n *IpfsNode, cfg *BuildCfg) error {
// setup local peer ID (private key is loaded in online setup)
if err := n.loadID(); err != nil {
return err
}
rds := &retry.Datastore{
Batching: n.Repo.Datastore(),
Delay: time.Millisecond * 200,
Retries: 6,
TempErrFunc: isTooManyFDError,
}
var err error
bs := bstore.NewBlockstore(rds)
opts := bstore.DefaultCacheOpts()
conf, err := n.Repo.Config()
if err != nil {
return err
}
opts.HasBloomFilterSize = conf.Datastore.BloomFilterSize
if !cfg.Permament {
opts.HasBloomFilterSize = 0
}
cbs, err := bstore.CachedBlockstore(bs, ctx, opts)
if err != nil {
return err
}
n.Blockstore = bstore.NewGCBlockstore(cbs, bstore.NewGCLocker())
rcfg, err := n.Repo.Config()
if err != nil {
return err
}
if rcfg.Datastore.HashOnRead {
bs.HashOnRead(true)
}
if cfg.Online {
do := setupDiscoveryOption(rcfg.Discovery)
if err := n.startOnlineServices(ctx, cfg.Routing, cfg.Host, do, cfg.getOpt("pubsub"), cfg.getOpt("mplex")); err != nil {
return err
}
} else {
n.Exchange = offline.Exchange(n.Blockstore)
}
n.Blocks = bserv.New(n.Blockstore, n.Exchange)
n.DAG = dag.NewDAGService(n.Blocks)
internalDag := dag.NewDAGService(bserv.New(n.Blockstore, offline.Exchange(n.Blockstore)))
n.Pinning, err = pin.LoadPinner(n.Repo.Datastore(), n.DAG, internalDag)
if err != nil {
// TODO: we should move towards only running 'NewPinner' explicity on
// node init instead of implicitly here as a result of the pinner keys
// not being found in the datastore.
// this is kinda sketchy and could cause data loss
n.Pinning = pin.NewPinner(n.Repo.Datastore(), n.DAG, internalDag)
}
n.Resolver = path.NewBasicResolver(n.DAG)
err = n.loadFilesRoot()
if err != nil {
return err
}
return nil
}