Reinstate -Werror for cardano-node and fix errors

Author: erikd

cabal.project

@@ -50,7 +50,7 @@ package cardano-git-rev
   ghc-options: -Werror
 
 package cardano-node
---  ghc-options: -Werror
+  ghc-options: -Werror
 
 package cardano-node-chairman
   ghc-options: -Werror

cardano-node/src/Cardano/Node/Queries.hs

@@ -270,13 +270,16 @@ instance LedgerQueries (Cardano.CardanoBlock c) where
     Cardano.LedgerStateMary    ledgerMary    -> ledgerUtxoSize ledgerMary
     Cardano.LedgerStateAlonzo  ledgerAlonzo  -> ledgerUtxoSize ledgerAlonzo
     Cardano.LedgerStateBabbage ledgerBabbage -> ledgerUtxoSize ledgerBabbage
+    Cardano.LedgerStateConway  ledgerConway  -> ledgerUtxoSize ledgerConway
   ledgerDelegMapSize = \case
     Cardano.LedgerStateByron   ledgerByron   -> ledgerDelegMapSize ledgerByron
     Cardano.LedgerStateShelley ledgerShelley -> ledgerDelegMapSize ledgerShelley
     Cardano.LedgerStateAllegra ledgerAllegra -> ledgerDelegMapSize ledgerAllegra
     Cardano.LedgerStateMary    ledgerMary    -> ledgerDelegMapSize ledgerMary
     Cardano.LedgerStateAlonzo  ledgerAlonzo  -> ledgerDelegMapSize ledgerAlonzo
     Cardano.LedgerStateBabbage ledgerBabbage -> ledgerDelegMapSize ledgerBabbage
+    Cardano.LedgerStateConway  ledgerConway  -> ledgerDelegMapSize ledgerConway
+
 --
 -- * Node kernel
 --