small changes

README.md

@@ -46,7 +46,7 @@
 - [`Plutus.V1.Ledger.Interval`](https://github.com/input-output-hk/plutus/blob/master/plutus-ledger-api/src/Plutus/V1/Ledger/Interval.hs), contains the definition of and helper functions for the `Interval` type.
 - [`Plutus.V1.Ledger.Slot`](https://github.com/input-output-hk/plutus/blob/master/plutus-ledger-api/src/Plutus/V1/Ledger/Slot.hs), contains the definition of the `Slot` type.
 - [`Plutus.V1.Ledger.Value`](https://github.com/input-output-hk/plutus/blob/master/plutus-ledger-api/src/Plutus/V1/Ledger/Value.hs), contains the definition of and helper functions for the `Value` type.
-- [`PlutusTx.Data`](https://github.com/input-output-hk/plutus/blob/master/plutus-tx/src/PlutusTx/Data.hs), contains the definition of the `Data` type.
+- [`PlutusTx.Builtins.Data`](https://github.com/input-output-hk/plutus/blob/master/plutus-core/plutus-core/src/PlutusCore/Data.hs), contains the definition of the `Data` type.
 - [`PlutusTx.IsData.Class`](https://github.com/input-output-hk/plutus/blob/master/plutus-tx/src/PlutusTx/IsData/Class.hs), defines the `IsData` class.
 
 ## Additional Resources

code/week02/src/Week02/Gift.hs

@@ -24,8 +24,6 @@ import           Ledger.Ada          as Ada
 import           Playground.Contract (printJson, printSchemas, ensureKnownCurrencies, stage)
 import           Playground.TH       (mkKnownCurrencies, mkSchemaDefinitions)
 import           Playground.Types    (KnownCurrency (..))
-import           Prelude             (Semigroup (..), String)
-import           Text.Printf         (printf)
 
 {-# OPTIONS_GHC -fno-warn-unused-imports #-}
 
@@ -42,6 +40,46 @@ valHash = Scripts.validatorHash validator
 scrAddress :: Ledger.Address
 scrAddress = scriptAddress validator
 
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+{-
+{-# INLINABLE mkValidator #-}
+mkValidator :: Data -> Data -> Data -> ()
+mkValidator _ _ _ = ()
+
+validator :: Validator
+validator = mkValidatorScript $$(PlutusTx.compile [|| mkValidator ||])
+
 type GiftSchema =
             Endpoint "give" Integer
         .\/ Endpoint "grab" ()
@@ -74,3 +112,4 @@ endpoints = (give' `select` grab') >> endpoints
 mkSchemaDefinitions ''GiftSchema
 
 mkKnownCurrencies []
+-}