fix a panic on startup when we fail to load the tipset

There may be a deeper issue here, but we need to handle this more gracefully somehow. See #4358.
filecoin-project · Oct 13, 2020 · b61281b · b61281b
1 parent d5cea9f
commit b61281b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/chain/messagepool/messagepool.go b/chain/messagepool/messagepool.go
@@ -670,6 +670,10 @@ func (mp *MessagePool) addLoaded(m *types.SignedMessage) error {
 
 	curTs := mp.curTs
 
+	if curTs == nil {
+		return xerrors.Errorf("current tipset not loaded")
+	}
+
 	snonce, err := mp.getStateNonce(m.Message.From, curTs)
 	if err != nil {
 		return xerrors.Errorf("failed to look up actor state nonce: %s: %w", err, ErrSoftValidationFailure)