db: Fix ParamUpdate table entry names

The decentalisation parameter was incorrectly called 'activeSlotCoeff'
and 'desiredPoolCount' is a better name than 'nOptimal'.

Author: erikd

cardano-db-sync/src/Cardano/DbSync/Era/Shelley/Insert.hs

@@ -464,11 +464,11 @@ insertParamUpdate _tracer txId (Shelley.Update (Shelley.ProposedPPUpdates umap)
           , DB.paramUpdateKeyDeposit = fromIntegral . Shelley.unCoin <$> strictMaybeToMaybe (Shelley._keyDeposit pmap)
           , DB.paramUpdatePoolDeposit = fromIntegral . Shelley.unCoin <$> strictMaybeToMaybe (Shelley._poolDeposit pmap)
           , DB.paramUpdateMaxEpoch = unEpochNo <$> strictMaybeToMaybe (Shelley._eMax pmap)
-          , DB.paramUpdateNOptimal = fromIntegral <$> strictMaybeToMaybe (Shelley._nOpt pmap)
+          , DB.paramUpdateDesiredPoolCount = fromIntegral <$> strictMaybeToMaybe (Shelley._nOpt pmap)
           , DB.paramUpdateInfluence = fromRational <$> strictMaybeToMaybe (Shelley._a0 pmap)
           , DB.paramUpdateMonetaryExpandRate = Shelley.unitIntervalToDouble <$> strictMaybeToMaybe (Shelley._rho pmap)
           , DB.paramUpdateTreasuryGrowthRate = Shelley.unitIntervalToDouble <$> strictMaybeToMaybe (Shelley._tau pmap)
-          , DB.paramUpdateActiveSlotCoeff = Shelley.unitIntervalToDouble <$> strictMaybeToMaybe (Shelley._d pmap)
+          , DB.paramUpdateDecentralisation = Shelley.unitIntervalToDouble <$> strictMaybeToMaybe (Shelley._d pmap)
           , DB.paramUpdateEntropy = Shelley.nonceToBytes <$> strictMaybeToMaybe (Shelley._extraEntropy pmap)
           , DB.paramUpdateProtocolVersion = textShow <$> strictMaybeToMaybe (Shelley._protocolVersion pmap)
           , DB.paramUpdateMinUTxOValue = fromIntegral . Shelley.unCoin <$> strictMaybeToMaybe (Shelley._minUTxOValue pmap)

cardano-db/src/Cardano/Db/Schema.hs

@@ -285,11 +285,11 @@ share
     keyDeposit          Word64 Maybe        sqltype=lovelace
     poolDeposit         Word64 Maybe        sqltype=lovelace
     maxEpoch            Word64 Maybe        sqltype=uinteger
-    nOptimal            Word64 Maybe        sqltype=uinteger
+    desiredPoolCount    Word64 Maybe        sqltype=uinteger
     influence           Double Maybe        -- sqltype=rational
     monetaryExpandRate  Double Maybe        -- sqltype=interval
     treasuryGrowthRate  Double Maybe        -- sqltype=interval
-    activeSlotCoeff     Double Maybe        -- sqltype=interval
+    decentralisation    Double Maybe        -- sqltype=interval
     entropy             ByteString Maybe    sqltype=hash32type
     protocolVersion     Text Maybe
     minUTxOValue        Word64 Maybe        sqltype=lovelace