From 860e8dfd22f14ed4078f5888dfc36df0d9f39046 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Wed, 4 Sep 2019 15:08:46 -0400
Subject: [PATCH] some lint-y cleanup

---
 PaymentServer.cabal             |  5 +++--
 src/PaymentServer/Redemption.hs |  1 -
 src/PaymentServer/Server.hs     |  3 +--
 test/SpecRedemption.hs          | 23 +++--------------------
 4 files changed, 7 insertions(+), 25 deletions(-)

diff --git a/PaymentServer.cabal b/PaymentServer.cabal
index 60a849c..56d7c01 100644
--- a/PaymentServer.cabal
+++ b/PaymentServer.cabal
@@ -33,11 +33,12 @@ library
                      , containers
                      , cryptonite
   default-language:    Haskell2010
+  ghc-options:       -Wmissing-import-lists -Wunused-imports
 
 executable PaymentServer-exe
   hs-source-dirs:      app
   main-is:             Main.hs
-  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N -Wmissing-import-lists -Wunused-imports
   build-depends:       base
                      , PaymentServer
   default-language:    Haskell2010
@@ -78,7 +79,7 @@ test-suite PaymentServer-test
                      , containers
                      , unordered-containers
                      , ilist
-  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N -Wmissing-import-lists -Wunused-imports
   default-language:    Haskell2010
 
 source-repository head
diff --git a/src/PaymentServer/Redemption.hs b/src/PaymentServer/Redemption.hs
index 1d0593c..23dfbc8 100644
--- a/src/PaymentServer/Redemption.hs
+++ b/src/PaymentServer/Redemption.hs
@@ -25,7 +25,6 @@ import Data.Text
   )
 import Data.Text.Encoding
   ( encodeUtf8
-  , decodeUtf8
   )
 import Data.Aeson
   ( ToJSON(toJSON, toEncoding)
diff --git a/src/PaymentServer/Server.hs b/src/PaymentServer/Server.hs
index bd51423..5b7f52e 100644
--- a/src/PaymentServer/Server.hs
+++ b/src/PaymentServer/Server.hs
@@ -1,4 +1,3 @@
-{-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE TypeOperators #-}
 
@@ -38,4 +37,4 @@ paymentServerAPI = Proxy
 -- | Create a Servant Application which serves the payment server API using
 -- the given database.
 paymentServerApp :: VoucherDatabase d => d -> Application
-paymentServerApp = (serve paymentServerAPI) . paymentServer
+paymentServerApp = serve paymentServerAPI . paymentServer
diff --git a/test/SpecRedemption.hs b/test/SpecRedemption.hs
index ba4bf06..e9c0510 100644
--- a/test/SpecRedemption.hs
+++ b/test/SpecRedemption.hs
@@ -11,12 +11,8 @@ import Data.ByteString
 import Text.Printf
   ( printf
   )
-import Control.Exception
-  ( bracket
-  )
 import Data.Aeson
- ( FromJSON
- , decode
+ ( decode
  , encode
  )
 import Servant
@@ -29,10 +25,6 @@ import Test.Hspec
   , parallel
   , describe
   , it
-  , before
-  , around
-  , shouldReturn
-  , shouldBe
   , runIO
   )
 import Network.HTTP.Types
@@ -51,13 +43,6 @@ import Test.Hspec.Wai
 import Test.Hspec.Wai.QuickCheck
   ( property
   )
-import Test.QuickCheck
-  ( Property
-  , (==>)
-  )
-import Test.QuickCheck.Monadic
-  ( pre
-  )
 import Test.QuickCheck.Instances.Text ()
 import Util.Spec
   ( wrongMethodNotAllowed
@@ -77,9 +62,7 @@ import PaymentServer.Redemption
 import PaymentServer.Persistence
   ( RedeemError(NotPaid)
   , Voucher
-  , Fingerprint
   , VoucherDatabase(payForVoucher, redeemVoucher)
-  , MemoryVoucherDatabase
   , memory
   )
 
@@ -141,7 +124,7 @@ spec_redemption = parallel $ do
 
 
   describe "redemption" $ do
-    with (return . app $ RefuseRedemption NotPaid) $ do
+    with (return . app $ RefuseRedemption NotPaid) $
       it "receives a failure response when the voucher is not paid" $ property $
         \(voucher :: Voucher) (tokens :: [BlindedToken]) ->
           propertyRedeem path voucher tokens 400
@@ -152,7 +135,7 @@ spec_redemption = parallel $ do
           , matchHeaders = ["Content-Type" <:> "application/json;charset=utf-8"]
           }
 
-    with (return $ app PermitRedemption) $ do
+    with (return $ app PermitRedemption) $
       it "receive a success response when redemption succeeds" $ property $
         \(voucher :: Voucher) (tokens :: [BlindedToken]) ->
           propertyRedeem path voucher tokens 200
-- 
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