Remove NoImplicitPrelude from cardano-api. We import Prelude explicit…

…ly from the majority of cardano-api modules. Removing this language extension makes this unnecessary.

cardano-api/cardano-api.cabal

@@ -17,8 +17,7 @@ extra-source-files:     README.md, ChangeLog.md
 
 common project-config
   default-language:     Haskell2010
-  default-extensions:   NoImplicitPrelude
-                        OverloadedStrings
+  default-extensions:   OverloadedStrings
   build-depends:        base >= 4.14 && < 4.15
 
   ghc-options:          -Wall
@@ -211,6 +210,7 @@ test-suite cardano-api-test
   type:                 exitcode-stdio-1.0
 
   build-depends:        aeson             >= 1.5.6.0
+                      , bytestring
                       , cardano-api
                       , cardano-api:gen
                       , cardano-data ^>= 0.1
@@ -219,7 +219,6 @@ test-suite cardano-api-test
                       , cardano-crypto-test ^>= 1.4
                       , cardano-crypto-tests ^>= 2.0
                       , cardano-ledger-core ^>= 0.1
-                      , cardano-prelude
                       , cardano-slotting ^>= 0.1
                       , containers
                       , hedgehog

cardano-api/gen/Gen/Cardano/Api.hs

@@ -8,13 +8,13 @@ module Gen.Cardano.Api
   , genAlonzoGenesis
   ) where
 
-import           Cardano.Prelude
+import           Cardano.Prelude (panic)
 
 import           Cardano.Api.Shelley as Api
 
-import           Control.Monad (MonadFail (fail))
 import qualified Data.Map.Strict as Map
 import qualified Data.Text as Text
+import           Data.Word (Word64)
 
 --TODO: why do we have this odd split? We can get rid of the old name "typed"
 import           Gen.Cardano.Api.Typed (genCostModel, genRational)
@@ -26,7 +26,6 @@ import qualified Cardano.Ledger.BaseTypes as Ledger
 import qualified Cardano.Ledger.Coin as Ledger
 import           Cardano.Ledger.Shelley.Metadata (Metadata (..), Metadatum (..))
 
-
 import           Hedgehog (Gen, Range)
 import qualified Hedgehog.Gen as Gen
 import qualified Hedgehog.Internal.Range as Range
@@ -97,7 +96,6 @@ genCostModels = do
     Right alonzoCostModel ->
       Alonzo.CostModels . conv <$> Gen.list (Range.linear 1 3) (return alonzoCostModel)
  where
-  conv :: [Alonzo.CostModel] -> Map Alonzo.Language Alonzo.CostModel
   conv [] = mempty
   conv (c : rest) = Map.singleton (Alonzo.getCostModelLanguage c) c <> conv rest
 

cardano-api/gen/Gen/Cardano/Api/Metadata.hs

@@ -7,8 +7,10 @@ module Gen.Cardano.Api.Metadata
   ) where
 
 import           Cardano.Api
-import           Cardano.Prelude
 import           Data.Aeson (ToJSON (..))
+import           Data.ByteString (ByteString)
+import           Data.Text (Text)
+import           Data.Word (Word64)
 import           Hedgehog (Gen)
 
 import qualified Data.Aeson as Aeson

cardano-api/gen/Gen/Cardano/Api/Typed.hs

@@ -105,6 +105,8 @@ module Gen.Cardano.Api.Typed
   , genRational
   ) where
 
+import           Cardano.Prelude (panic)
+
 import           Cardano.Api hiding (txIns)
 import qualified Cardano.Api as Api
 import           Cardano.Api.Byron (KeyWitness (ByronKeyWitness),
@@ -116,14 +118,18 @@ import           Cardano.Api.Shelley (Hash (ScriptDataHash), KESPeriod (KESPerio
                    StakeCredential (StakeCredentialByKey), StakePoolKey,
                    refInsScriptsAndInlineDatsSupportedInEra)
 
-import           Cardano.Prelude
-
-import           Control.Monad.Fail (fail)
+import           Data.ByteString (ByteString)
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Short as SBS
 import           Data.Coerce
+import           Data.Int (Int64)
+import           Data.Map.Strict (Map)
+import           Data.Maybe (maybeToList)
+import           Data.Ratio (Ratio, (%))
 import           Data.String
 import qualified Data.Text as Text
+import           Data.Word (Word64)
+import           Numeric.Natural (Natural)
 
 import qualified Cardano.Binary as CBOR
 import qualified Cardano.Crypto.Hash as Crypto

cardano-api/gen/Gen/Cardano/Crypto/Seed.hs

@@ -5,10 +5,7 @@ module Gen.Cardano.Crypto.Seed
 
 import           Cardano.Api (AsType, Key)
 import           Cardano.Crypto.Seed (Seed)
-import           Data.Functor ((<$>))
-import           Data.Int (Int)
 import           Hedgehog (MonadGen, Range)
-import           Prelude (fromIntegral)
 
 import qualified Cardano.Api as API
 import qualified Cardano.Crypto.Seed as C

cardano-api/gen/Gen/Hedgehog/Roundtrip/Bech32.hs

@@ -3,7 +3,6 @@ module Gen.Hedgehog.Roundtrip.Bech32
   ) where
 
 import           Cardano.Api
-import           Cardano.Prelude
 import           Hedgehog (Gen, Property)
 
 import qualified Hedgehog as H

cardano-api/gen/Gen/Hedgehog/Roundtrip/CBOR.hs

@@ -6,7 +6,6 @@ module Gen.Hedgehog.Roundtrip.CBOR
   ) where
 
 import           Cardano.Api
-import           Cardano.Prelude
 import           Hedgehog (Gen, Property)
 
 import qualified Hedgehog as H

cardano-api/src/Cardano/Api/Address.hs

@@ -76,8 +76,6 @@ module Cardano.Api.Address (
     isKeyAddress
   ) where
 
-import           Prelude
-
 import           Control.Applicative ((<|>))
 import           Data.Aeson (FromJSON (..), ToJSON (..), withText, (.=))
 import qualified Data.Aeson as Aeson
@@ -104,7 +102,6 @@ import           Cardano.Api.EraCast
 import           Cardano.Api.Eras
 import           Cardano.Api.Hash
 import           Cardano.Api.HasTypeProxy
-import           Cardano.Api.Keys.Class
 import           Cardano.Api.Keys.Byron
 import           Cardano.Api.Keys.Shelley
 import           Cardano.Api.NetworkId

cardano-api/src/Cardano/Api/Block.hs

@@ -48,8 +48,6 @@ module Cardano.Api.Block (
     makeChainTip,
   ) where
 
-import           Prelude
-
 import           Data.Aeson (FromJSON (..), ToJSON (..), object, (.=))
 import qualified Data.Aeson as Aeson
 import qualified Data.ByteString as BS

cardano-api/src/Cardano/Api/Certificate.hs

@@ -36,8 +36,6 @@ module Cardano.Api.Certificate (
     AsType(..)
   ) where
 
-import           Prelude
-
 import           Data.ByteString (ByteString)
 import qualified Data.Foldable as Foldable
 import qualified Data.Map.Strict as Map
@@ -62,8 +60,8 @@ import           Cardano.Ledger.Shelley.TxBody (MIRPot (..))
 import qualified Cardano.Ledger.Shelley.TxBody as Shelley
 
 import           Cardano.Api.Address
-import           Cardano.Api.HasTypeProxy
 import           Cardano.Api.Hash
+import           Cardano.Api.HasTypeProxy
 import           Cardano.Api.Keys.Byron
 import           Cardano.Api.Keys.Praos
 import           Cardano.Api.Keys.Shelley

cardano-api/src/Cardano/Api/Convenience/Construction.hs

@@ -13,8 +13,6 @@ module Cardano.Api.Convenience.Construction (
 
   ) where
 
-import           Prelude
-
 import qualified Data.List as List
 import qualified Data.Map.Strict as Map
 import           Data.Set (Set)

cardano-api/src/Cardano/Api/Convenience/Query.hs

@@ -13,8 +13,6 @@ module Cardano.Api.Convenience.Query (
     renderQueryConvenienceError,
   ) where
 
-import           Prelude
-
 import           Control.Monad.Trans.Except (ExceptT (..), except, runExceptT)
 import           Control.Monad.Trans.Except.Extra (firstExceptT, hoistMaybe)
 import           Data.Bifunctor (first)

cardano-api/src/Cardano/Api/Crypto/Ed25519Bip32.hs

@@ -18,11 +18,11 @@ module Cardano.Api.Crypto.Ed25519Bip32
   )
 where
 
-import           Cardano.Prelude hiding (show)
-import           Prelude (show)
-
+import           Control.DeepSeq (NFData)
 import           Data.ByteArray as BA (ByteArrayAccess, ScrubbedBytes, convert)
+import           Data.ByteString (ByteString)
 import qualified Data.ByteString as BS
+import           GHC.Generics (Generic)
 import           NoThunks.Class (InspectHeap (..), NoThunks)
 
 import           Cardano.Binary (FromCBOR (..), ToCBOR (..))

cardano-api/src/Cardano/Api/DeserialiseAnyOf.hs

@@ -18,8 +18,6 @@ module Cardano.Api.DeserialiseAnyOf
   , renderSomeAddressVerificationKey
   ) where
 
-import           Prelude
-
 import qualified Data.Aeson as Aeson
 import           Data.Bifunctor (first)
 import           Data.ByteString (ByteString)
@@ -42,8 +40,8 @@ import           Cardano.Api.SerialiseTextEnvelope
 
 -- TODO: Think about if these belong
 import           Cardano.Api.Address
-import           Cardano.Api.Keys.Class
 import           Cardano.Api.Keys.Byron
+import           Cardano.Api.Keys.Class
 import           Cardano.Api.Keys.Praos
 import           Cardano.Api.Keys.Shelley
 

cardano-api/src/Cardano/Api/Environment.hs

@@ -8,8 +8,6 @@ module Cardano.Api.Environment
   , renderEnvSocketError
   ) where
 
-import           Prelude
-
 import           Data.Aeson
 import           Data.Text (Text)
 import qualified Data.Text as Text

cardano-api/src/Cardano/Api/EraCast.hs

@@ -7,9 +7,7 @@ module Cardano.Api.EraCast
   ) where
 
 import           Cardano.Api.Eras (CardanoEra (..), IsCardanoEra)
-import           Data.Either (Either)
 import           Data.Kind (Type)
-import           Text.Show (Show (..))
 
 data EraCastError = forall fromEra toEra value.
   ( IsCardanoEra fromEra

cardano-api/src/Cardano/Api/Eras.hs

@@ -46,8 +46,6 @@ module Cardano.Api.Eras
            AsByron,    AsShelley,    AsAllegra,    AsMary,    AsAlonzo,    AsBabbage)
   ) where
 
-import           Prelude
-
 import           Cardano.Api.HasTypeProxy
 
 import           Control.DeepSeq

cardano-api/src/Cardano/Api/Error.hs

@@ -10,8 +10,6 @@ module Cardano.Api.Error
   , FileError(..)
   ) where
 
-import           Prelude
-
 import           Control.Exception (Exception (..), IOException, throwIO)
 import           System.IO (Handle)
 

cardano-api/src/Cardano/Api/Fees.hs

@@ -41,8 +41,6 @@ module Cardano.Api.Fees (
     toLedgerEpochInfo,
   ) where
 
-import           Prelude
-
 import qualified Data.Array as Array
 import           Data.Bifunctor (bimap, first)
 import qualified Data.ByteString as BS
@@ -55,8 +53,8 @@ import           Data.Set (Set)
 import qualified Data.Set as Set
 import qualified Data.Text as Text
 import           GHC.Records (HasField (..))
-import           Numeric.Natural
 import           Lens.Micro ((^.))
+import           Numeric.Natural
 
 import           Control.Monad.Trans.Except
 import qualified Prettyprinter as PP
@@ -947,7 +945,7 @@ makeTransactionBodyAutoBalance eraInMode systemstart history pparams
     -- 4. balance the transaction and update tx change output
     txbody0 <-
       first TxBodyError $ createAndValidateTransactionBody txbodycontent
-        { txOuts = txOuts txbodycontent ++ 
+        { txOuts = txOuts txbodycontent ++
                    [TxOut changeaddr (lovelaceToTxOutValue 0) TxOutDatumNone ReferenceScriptNone]
             --TODO: think about the size of the change output
             -- 1,2,4 or 8 bytes?

cardano-api/src/Cardano/Api/Genesis.hs

@@ -6,8 +6,6 @@ module Cardano.Api.Genesis
   , shelleyGenesisDefaults
   ) where
 
-import           Prelude
-
 import qualified Data.ListMap as ListMap
 import qualified Data.Map.Strict as Map
 import           Data.Maybe (fromMaybe)

cardano-api/src/Cardano/Api/GenesisParameters.hs

@@ -16,8 +16,6 @@ module Cardano.Api.GenesisParameters (
 
   ) where
 
-import           Prelude
-
 import           Data.Time (NominalDiffTime, UTCTime)
 
 import           Cardano.Slotting.Slot (EpochSize (..))

cardano-api/src/Cardano/Api/IPC.hs

@@ -80,8 +80,6 @@ module Cardano.Api.IPC (
     NodeToClientVersion(..)
   ) where
 
-import           Prelude
-
 import           Data.Void (Void)
 
 import           Data.Aeson (ToJSON, object, toJSON, (.=))

cardano-api/src/Cardano/Api/IPC/Monad.hs

@@ -9,17 +9,12 @@ module Cardano.Api.IPC.Monad
   , determineEraExpr
   ) where
 
-import           Control.Applicative
 import           Control.Concurrent.STM
 import           Control.Monad
 import           Control.Monad.IO.Class
 import           Control.Monad.Reader
 import           Control.Monad.Trans.Cont
 import           Data.Bifunctor (first)
-import           Data.Either
-import           Data.Function
-import           Data.Maybe
-import           System.IO
 
 import           Cardano.Ledger.Shelley.Scripts ()
 import qualified Ouroboros.Network.Protocol.LocalStateQuery.Client as Net.Query

cardano-api/src/Cardano/Api/IPC/Version.hs

@@ -6,9 +6,6 @@ module Cardano.Api.IPC.Version
   , UnsupportedNtcVersionError(..)
   ) where
 
-import           Data.Eq (Eq)
-import           Text.Show (Show)
-
 import           Ouroboros.Network.NodeToClient.Version (NodeToClientVersion (..))
 
 -- | The query 'a' is a versioned query, which means it requires the Node to support a minimum

cardano-api/src/Cardano/Api/InMode.hs

@@ -24,8 +24,6 @@ module Cardano.Api.InMode (
     fromConsensusApplyTxErr,
   ) where
 
-import           Prelude
-
 import           Data.SOP.Strict (NS (S, Z))
 
 import qualified Ouroboros.Consensus.Byron.Ledger as Consensus

cardano-api/src/Cardano/Api/Json.hs

@@ -3,10 +3,7 @@ module Cardano.Api.Json
   ) where
 
 import           Data.Aeson
-import           Data.Either
-import           Data.Maybe
 import           Data.Scientific
-import           GHC.Real
 
 -- Rationals and JSON are an awkward mix. We cannot convert rationals
 -- like @1/3@ to JSON numbers. But _most_ of the numbers we want to use