Fix the build of serialized_sized

beacon_chain/ssz.nim

@@ -179,7 +179,7 @@ proc writeValue*(w: var SszWriter, obj: auto) =
         when defined(debugFieldSizes) and obj is (BeaconState|BeaconBlock):
           let start = w.stream.pos
           w.writeValue field
-          debugEcho k, ": ", w.stream.pos - start
+          debugEcho fieldName, ": ", w.stream.pos - start
         else:
           w.writeValue field
     w.endRecord(memo)

research/serialized_sizes.nim

@@ -20,6 +20,6 @@ proc stateSize(deposits: int, maxContent = false) =
         len(crosslink_committees[0].committee) # close enough..
     for a in state.latest_attestations.mitems():
       a.aggregation_bitfield.setLen(validatorsPerCommittee)
-  echo "Validators: ", deposits, ", total: ", state.serialize().len
+  echo "Validators: ", deposits, ", total: ", SSZ.encode(state).len
 
 dispatch(stateSize)