feat: FVM: do not error on unsuccessful implicit messages

chain/consensus/compute_state.go

@@ -135,6 +135,10 @@ func (t *TipSetExecutor) ApplyBlocks(ctx context.Context,
 			return xerrors.Errorf("running cron: %w", err)
 		}
 
+		if !ret.ExitCode.IsSuccess() {
+			return xerrors.Errorf("cron failed with exit code %d: %w", ret.ExitCode, ret.ActorErr)
+		}
+
 		cronGas += ret.GasUsed
 
 		if em != nil {

chain/consensus/filcns/filecoin.go

@@ -80,6 +80,11 @@ var RewardFunc = func(ctx context.Context, vmi vm.Interface, em stmgr.ExecMonito
 	if actErr != nil {
 		return xerrors.Errorf("failed to apply reward message: %w", actErr)
 	}
+
+	if !ret.ExitCode.IsSuccess() {
+		return xerrors.Errorf("reward actor failed with exit code %d: %w", ret.ExitCode, ret.ActorErr)
+	}
+
 	if em != nil {
 		if err := em.MessageApplied(ctx, ts, rwMsg.Cid(), rwMsg, ret, true); err != nil {
 			return xerrors.Errorf("callback failed on reward message: %w", err)

chain/vm/fvm.go

@@ -520,10 +520,6 @@ func (vm *FVM) ApplyImplicitMessage(ctx context.Context, cmsg *types.Message) (*
 		}
 	}
 
-	if ret.ExitCode != 0 {
-		return applyRet, fmt.Errorf("implicit message failed with exit code: %d and error: %w", ret.ExitCode, applyRet.ActorErr)
-	}
-
 	return applyRet, nil
 }
 

itests/remove_verifreg_datacap_test.go

@@ -275,7 +275,7 @@ func TestNoRemoveDatacapFromVerifreg(t *testing.T) {
 		Params: params,
 		Value:  big.Zero(),
 	}, types.EmptyTSK)
-	require.Error(t, err)
+	require.NoError(t, err)
 	require.False(t, callResult.MsgRct.ExitCode.IsSuccess())
 
 	verifregDatacapAfter, err := clientApi.StateVerifiedClientStatus(ctx, builtin.VerifiedRegistryActorAddr, types.EmptyTSK)