fix UpdateStorage to write back state

chain/actors/actor_storagemarket.go

@@ -116,7 +116,8 @@ type UpdateStorageParams struct {
 
 func (sma StorageMarketActor) UpdateStorage(act *types.Actor, vmctx types.VMContext, params *UpdateStorageParams) ([]byte, ActorError) {
 	var self StorageMarketState
-	if err := vmctx.Storage().Get(vmctx.Storage().GetHead(), &self); err != nil {
+	old := vmctx.Storage().GetHead()
+	if err := vmctx.Storage().Get(old, &self); err != nil {
 		return nil, err
 	}
 
@@ -126,6 +127,16 @@ func (sma StorageMarketActor) UpdateStorage(act *types.Actor, vmctx types.VMCont
 	}
 
 	self.TotalStorage = types.BigAdd(self.TotalStorage, params.Delta)
+
+	nroot, err := vmctx.Storage().Put(self)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := vmctx.Storage().Commit(old, nroot); err != nil {
+		return nil, err
+	}
+
 	return nil, nil
 }
 

chain/gen/utils.go

@@ -187,6 +187,9 @@ func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid
 	params = mustEnc(actors.UpdateStorageParams{Delta: types.NewInt(5000)})
 
 	_, err = doExec(ctx, vm, actors.StorageMarketAddress, maddr, actors.SMAMethods.UpdateStorage, params)
+	if err != nil {
+		return cid.Undef, xerrors.Errorf("failed to update total storage: %w", err)
+	}
 
 	// UGLY HACKY MODIFICATION OF MINER POWER