actor manifests and metadata

This commit is contained in:
vyzo 2022-04-04 14:14:27 +03:00
parent a9ae38a1ce
commit 08a5950863

72
chain/actors/manifest.go Normal file
View File

@ -0,0 +1,72 @@
package actors
import (
"context"
"golang.org/x/xerrors"
cid "github.com/ipfs/go-cid"
cbor "github.com/ipfs/go-ipld-cbor"
"github.com/filecoin-project/lotus/chain/actors/adt"
"github.com/filecoin-project/specs-actors/v8/actors/builtin/manifest"
)
var manifestCids map[Version]cid.Cid = map[Version]cid.Cid{
// TODO manifest CIDs for v8 and upwards
}
var manifests map[Version]*manifest.Manifest
var actorMeta map[cid.Cid]actorEntry
type actorEntry struct {
name string
version Version
}
func LoadManifests(ctx context.Context, store cbor.IpldStore) error {
adtStore := adt.WrapStore(ctx, store)
manifests = make(map[Version]*manifest.Manifest)
actorMeta = make(map[cid.Cid]actorEntry)
for av, mfCid := range manifestCids {
mf := &manifest.Manifest{}
if err := adtStore.Get(ctx, mfCid, mf); err != nil {
return xerrors.Errorf("error reading manifest for network version %d (cid: %s): %w", av, mfCid, err)
}
if err := mf.Load(ctx, adtStore); err != nil {
return xerrors.Errorf("error loading manifest for network version %d: %w", av, err)
}
manifests[av] = mf
for _, name := range []string{"system", "init", "cron", "account", "storagepower", "storageminer", "storagemarket", "paymentchannel", "multisig", "reward", "verifiedregistry"} {
c, ok := mf.Get(name)
if ok {
actorMeta[c] = actorEntry{name: name, version: av}
}
}
}
return nil
}
func GetActorCodeID(av Version, name string) (cid.Cid, bool) {
mf, ok := manifests[av]
if ok {
return mf.Get(name)
}
return cid.Undef, false
}
func GetActorMetaByCode(c cid.Cid) (string, Version, bool) {
entry, ok := actorMeta[c]
if !ok {
return "", -1, false
}
return entry.name, entry.version, true
}