Reintroduce StateActorManifestCID

node/impl/full/state.go

@@ -1537,6 +1537,20 @@ func (a *StateAPI) StateActorCodeCIDs(ctx context.Context, nv network.Version) (
 	return cids, nil
 }
 
+func (a *StateAPI) StateActorManifestCID(ctx context.Context, nv network.Version) (cid.Cid, error) {
+	actorVersion, err := actors.VersionForNetwork(nv)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("invalid network version")
+	}
+
+	c, ok := actors.GetManifest(actorVersion)
+	if !ok {
+		return cid.Undef, xerrors.Errorf("could not find manifest cid for network version %d, actors version %d", nv, actorVersion)
+	}
+
+	return c, nil
+}
+
 func (a *StateAPI) StateGetRandomnessFromTickets(ctx context.Context, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte, tsk types.TipSetKey) (abi.Randomness, error) {
 	return a.StateManager.GetRandomnessFromTickets(ctx, personalization, randEpoch, entropy, tsk)
 }