It outputs to stdout, and <key> is a base58 encoded multihash.
`,
},
Arguments: []cmds.Argument{
cmds.StringArg("key", true, false, "The base58 multihash of an existing block to get"),
},
Run: func(req cmds.Request) (interface{}, error) {
n, err := req.Context().GetNode()
if err != nil {
return nil, err
}
key := req.Arguments()[0]
if !u.IsValidHash(key) {
return nil, cmds.Error{"Not a valid hash", cmds.ErrClient}
}
h, err := mh.FromB58String(key)
if err != nil {
return nil, err
}
k := u.Key(h)
ctx, _ := context.WithTimeout(context.TODO(), time.Second*5)
b, err := n.Blocks.GetBlock(ctx, k)
if err != nil {
return nil, err
}
log.Debugf("BlockGet key: '%q'", b.Key())
func CreateRoot(n *core.IpfsNode, keys []ci.PrivKey, ipfsroot string) (*Root, error) {
root := new(Root)
root.LocalDirs = make(map[string]*Node)
root.Ipfs = n
abspath, err := filepath.Abs(ipfsroot)
if err != nil {
return nil, err
}
root.IpfsRoot = abspath
root.Keys = keys
if len(keys) == 0 {
log.Warning("No keys given for ipns root creation")
} else {
k := keys[0]
pub := k.GetPublic()
hash, err := pub.Hash()
if err != nil {
log.Errorf("Read Root Error: %s", err)
return nil, err
}
root.LocalLink = &Link{u.Key(hash).Pretty()}
}
for _, k := range keys {
hash, err := k.GetPublic().Hash()
if err != nil {
log.Error("failed to hash public key.")
continue
}
name := u.Key(hash).Pretty()
nd := new(Node)
nd.Ipfs = n
nd.key = k
nd.repub = NewRepublisher(nd, shortRepublishTimeout, longRepublishTimeout)
go nd.repub.Run()
pointsTo, err := n.Namesys.Resolve(name)
if err != nil {
log.Warning("Could not resolve value for local ipns entry, providing empty dir")
nd.Nd = &mdag.Node{Data: ft.FolderPBData()}
root.LocalDirs[name] = nd
continue
}
if !u.IsValidHash(pointsTo) {
log.Criticalf("Got back bad data from namesys resolve! [%s]", pointsTo)
return nil, nil
}
node, err := n.Resolver.ResolvePath(pointsTo)
if err != nil {
log.Warning("Failed to resolve value from ipns entry in ipfs")
continue
}
nd.Nd = node
root.LocalDirs[name] = nd
}
return root, nil
}