Add support for nothunks == 0.3.* (#7428)

Support was added with CPP to extent the existing range of support.

Author: erikd

plutus-core/changelog.d/20251119_060423_erikd_nothunks.md

@@ -0,0 +1,41 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+### Changed
+
+- Add support for nothunks == 0.3.*
+
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+<!--
+### Fixed
+
+- A bullet item for the Fixed category.
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->

plutus-core/plutus-core.cabal

@@ -331,7 +331,7 @@ library
     , monoidal-containers
     , mtl
     , multiset
-    , nothunks                    ^>=0.2
+    , nothunks                    >=0.2 && <0.4
     , parser-combinators          >=0.4.0
     , plutus-core:flat
     , prettyprinter               >=1.1.0.1

plutus-core/plutus-core/src/PlutusCore/Builtin/Runtime.hs

@@ -39,7 +39,9 @@ instance NoThunks (BuiltinRuntime val) where
         -- Unreachable, because we don't allow nullary builtins and the 'BuiltinArrow' case only
         -- checks for WHNF without recursing. Hence we can throw if we reach this clause somehow.
         -- TODO: remove the CPP when rest of IOE moves to nothunks>=0.2
-#if MIN_VERSION_nothunks(0,2,0)
+#if MIN_VERSION_nothunks(0,3,0)
+        BuiltinCostedResult _ _    -> pure . Just $ ThunkInfo ctx Nothing
+#elif MIN_VERSION_nothunks(0,2,0)
         BuiltinCostedResult _ _    -> pure . Just . ThunkInfo $ Left ctx
 #else
         -- Plutus has moved to nothunks>=0.2, but some other IOE repos are using nothunks<0.2.

plutus-ledger-api/changelog.d/20251119_060423_erikd_nothunks.md

@@ -0,0 +1,41 @@
+<!--
+A new scriv changelog fragment.
+
+Uncomment the section that is right (remove the HTML comment wrapper).
+For top level release notes, leave all the headers commented out.
+-->
+
+<!--
+### Removed
+
+- A bullet item for the Removed category.
+
+-->
+<!--
+### Added
+
+- A bullet item for the Added category.
+
+-->
+### Changed
+
+- Add support for nothunks == 0.3.*
+
+<!--
+### Deprecated
+
+- A bullet item for the Deprecated category.
+
+-->
+<!--
+### Fixed
+
+- A bullet item for the Fixed category.
+
+-->
+<!--
+### Security
+
+- A bullet item for the Security category.
+
+-->

plutus-ledger-api/plutus-ledger-api.cabal

@@ -121,7 +121,7 @@ library
     , deepseq
     , lens
     , mtl
-    , nothunks           ^>=0.2
+    , nothunks           >=0.2   && <0.4
     , plutus-core        ^>=1.55
     , plutus-tx          ^>=1.55
     , prettyprinter