diff --git a/marlowe-playground-client/src/GistButtons.purs b/marlowe-playground-client/src/GistButtons.purs
index 326b1123b42..6aef5e5cadc 100644
--- a/marlowe-playground-client/src/GistButtons.purs
+++ b/marlowe-playground-client/src/GistButtons.purs
@@ -4,7 +4,7 @@ import Prelude hiding (div)
 import Auth (AuthRole(..), authStatusAuthRole)
 import Data.Lens (to, view, (^.))
 import Data.Maybe (Maybe(..))
-import Gists (idPublishGist)
+import Gists.View (idPublishGist)
 import Halogen.HTML (ClassName(..), HTML, a, button, div, div_, p_, text)
 import Halogen.HTML.Events (onClick)
 import Halogen.HTML.Properties (class_, classes, disabled)
diff --git a/marlowe-playground-client/src/MainFrame/State.purs b/marlowe-playground-client/src/MainFrame/State.purs
index b0efa575509..9f666440ff0 100644
--- a/marlowe-playground-client/src/MainFrame/State.purs
+++ b/marlowe-playground-client/src/MainFrame/State.purs
@@ -20,8 +20,8 @@ import Effect.Class (class MonadEffect)
 import Examples.Haskell.Contracts (example) as HE
 import Examples.JS.Contracts (example) as JE
 import Gist (Gist, _GistId, gistDescription, gistId)
-import Gists (GistAction(..))
-import Gists as Gists
+import Gists.Types (GistAction(..))
+import Gists.Types (parseGistUrl) as Gists
 import Halogen (Component, liftEffect, query, subscribe')
 import Halogen as H
 import Halogen.ActusBlockly as ActusBlockly
diff --git a/marlowe-playground-client/src/MainFrame/Types.purs b/marlowe-playground-client/src/MainFrame/Types.purs
index c177557d2e3..7bf704255d6 100644
--- a/marlowe-playground-client/src/MainFrame/Types.purs
+++ b/marlowe-playground-client/src/MainFrame/Types.purs
@@ -14,7 +14,7 @@ import Data.Newtype (class Newtype)
 import Data.Symbol (SProxy(..))
 import Demos.Types as Demos
 import Gist (Gist, GistId)
-import Gists (GistAction)
+import Gists.Types (GistAction)
 import Halogen (ClassName)
 import Halogen as H
 import Halogen.ActusBlockly as AB
diff --git a/marlowe-playground-client/src/MainFrame/View.purs b/marlowe-playground-client/src/MainFrame/View.purs
index 82dc359c2e8..04ae524af63 100644
--- a/marlowe-playground-client/src/MainFrame/View.purs
+++ b/marlowe-playground-client/src/MainFrame/View.purs
@@ -6,7 +6,7 @@ import Data.Maybe (Maybe(..))
 import Demos.View (render) as Demos
 import Effect.Aff.Class (class MonadAff)
 import GistButtons (authButton)
-import Gists (GistAction(..))
+import Gists.Types (GistAction(..))
 import Halogen (ComponentHTML)
 import Halogen.ActusBlockly as ActusBlockly
 import Halogen.Blockly (blockly)
diff --git a/plutus-playground-client/src/MainFrame.purs b/plutus-playground-client/src/MainFrame.purs
index fd92b622e3c..afc1f509dde 100644
--- a/plutus-playground-client/src/MainFrame.purs
+++ b/plutus-playground-client/src/MainFrame.purs
@@ -8,7 +8,7 @@ import Prelude
 import AjaxUtils (renderForeignErrors)
 import Analytics (Event, defaultEvent, trackEvent)
 import Animation (class MonadAnimate, animate)
-import Chain.Eval (handleAction) as Chain
+import Chain.State (handleAction) as Chain
 import Chain.Types (Action(..), AnnotatedBlockchain(..), _chainFocusAppearing)
 import Chain.Types (initialState) as Chain
 import Clipboard (class MonadClipboard)
@@ -48,8 +48,8 @@ import Effect.Class (class MonadEffect, liftEffect)
 import Effect.Exception (Error, error)
 import Foreign.Generic (decodeJSON)
 import Gist (_GistId, gistId)
-import Gists (GistAction(..))
-import Gists as Gists
+import Gists.Types (GistAction(..))
+import Gists.Types as Gists
 import Halogen (Component, hoist)
 import Halogen as H
 import Halogen.HTML (HTML)
diff --git a/plutus-playground-client/src/Types.purs b/plutus-playground-client/src/Types.purs
index cd20a73acf7..b4828b5a4b3 100644
--- a/plutus-playground-client/src/Types.purs
+++ b/plutus-playground-client/src/Types.purs
@@ -22,7 +22,7 @@ import Data.Traversable (traverse)
 import Editor.Types as Editor
 import Foreign.Generic (encodeJSON)
 import Gist (Gist)
-import Gists (GistAction)
+import Gists.Types (GistAction)
 import Halogen as H
 import Halogen.Chartist as Chartist
 import Halogen.Monaco as Monaco
diff --git a/plutus-playground-client/src/View.purs b/plutus-playground-client/src/View.purs
index ab1b3661f7c..5fb0b82df8c 100644
--- a/plutus-playground-client/src/View.purs
+++ b/plutus-playground-client/src/View.purs
@@ -14,7 +14,7 @@ import Data.Semiring (zero)
 import Data.Tuple (Tuple(Tuple))
 import Editor.View (compileButton, editorFeedback, editorView)
 import Effect.Aff.Class (class MonadAff)
-import Gists (gistControls)
+import Gists.View (gistControls)
 import Halogen.HTML (ClassName(ClassName), ComponentHTML, HTML, a, button, div, div_, h1, span, strong_, text)
 import Halogen.HTML.Events (onClick)
 import Halogen.HTML.Extra (mapComponent)
diff --git a/plutus-playground-client/test/GistsTests.purs b/plutus-playground-client/test/GistsTests.purs
index 472b0be68ba..69bb51eba27 100644
--- a/plutus-playground-client/test/GistsTests.purs
+++ b/plutus-playground-client/test/GistsTests.purs
@@ -6,7 +6,7 @@ import Prelude
 import Data.Either (Either(..))
 import Data.Generic.Rep.Show (genericShow)
 import Gist (GistId(..))
-import Gists (parseGistUrl)
+import Gists.Types (parseGistUrl)
 import Test.Unit (TestSuite, Test, suite, test)
 import TestUtils (equalWithBiformatter)
 
diff --git a/plutus-playground-client/test/MainFrameTests.purs b/plutus-playground-client/test/MainFrameTests.purs
index 59e18f5fa07..fd75fde3bd3 100644
--- a/plutus-playground-client/test/MainFrameTests.purs
+++ b/plutus-playground-client/test/MainFrameTests.purs
@@ -31,7 +31,7 @@ import Effect.Class (class MonadEffect, liftEffect)
 import Effect.Exception (Error, error)
 import Foreign.Generic (decodeJSON)
 import Gist (Gist, GistId, gistId)
-import Gists (GistAction(..))
+import Gists.Types (GistAction(..))
 import Halogen.Monaco (KeyBindings(..)) as Editor
 import Language.Haskell.Interpreter (InterpreterError, InterpreterResult, SourceCode(..))
 import MainFrame (handleAction, mkInitialState)
diff --git a/plutus-scb-client/src/MainFrame.purs b/plutus-scb-client/src/MainFrame.purs
index 513b7a7e6b1..46932717428 100644
--- a/plutus-scb-client/src/MainFrame.purs
+++ b/plutus-scb-client/src/MainFrame.purs
@@ -8,7 +8,7 @@ module MainFrame
 import Prelude hiding (div)
 import Animation (class MonadAnimate, animate)
 import Cardano.Metadata.Types (Property, PropertyKey, Subject, SubjectProperties(..))
-import Chain.Eval (handleAction) as Chain
+import Chain.State (handleAction) as Chain
 import Chain.Types (Action(FocusTx), AnnotatedBlockchain(..), _chainFocusAppearing)
 import Chain.Types (initialState) as Chain
 import Clipboard (class MonadClipboard)
diff --git a/web-common/src/Chain/Eval.purs b/web-common/src/Chain/State.purs
similarity index 97%
rename from web-common/src/Chain/Eval.purs
rename to web-common/src/Chain/State.purs
index d08d91c51a4..4bfa10bdd24 100644
--- a/web-common/src/Chain/Eval.purs
+++ b/web-common/src/Chain/State.purs
@@ -1,4 +1,4 @@
-module Chain.Eval (handleAction) where
+module Chain.State (handleAction) where
 
 import Chain.Types (Action(..), AnnotatedBlockchain, State, _chainFocus, _chainFocusAge, _findTx, _sequenceId)
 import Clipboard (class MonadClipboard)
diff --git a/web-common/src/Gists/Types.purs b/web-common/src/Gists/Types.purs
new file mode 100644
index 00000000000..7b54d6fdbff
--- /dev/null
+++ b/web-common/src/Gists/Types.purs
@@ -0,0 +1,28 @@
+module Gists.Types
+  ( GistAction(..)
+  , parseGistUrl
+  ) where
+
+import Data.Array.NonEmpty as NonEmptyArray
+import Data.Either (Either, note)
+import Data.String.Regex (Regex, match, regex)
+import Data.String.Regex.Flags (ignoreCase)
+import Gist (GistId(..))
+import Prelude (bind, ($), (<$>))
+
+data GistAction
+  = PublishGist
+  | SetGistUrl String
+  | LoadGist
+
+gistIdInLinkRegex :: Either String Regex
+gistIdInLinkRegex = regex "^(.*/)?([0-9a-f]{32})$" ignoreCase
+
+parseGistUrl :: String -> Either String GistId
+parseGistUrl str = do
+  gistIdInLink <- gistIdInLinkRegex
+  note "Could not parse Gist Url"
+    $ do
+        matches <- match gistIdInLink str
+        match <- NonEmptyArray.index matches 2
+        GistId <$> match
diff --git a/web-common/src/Gists.purs b/web-common/src/Gists/View.purs
similarity index 85%
rename from web-common/src/Gists.purs
rename to web-common/src/Gists/View.purs
index 0af369cc3be..d0143317957 100644
--- a/web-common/src/Gists.purs
+++ b/web-common/src/Gists/View.purs
@@ -1,28 +1,24 @@
-module Gists
-  ( GistAction(..)
-  , gistControls
-  , parseGistUrl
+module Gists.View
+  ( gistControls
   , idPublishGist
   , idLoadGist
   ) where
 
+import Gists.Types (GistAction(..), parseGistUrl)
 import AjaxUtils (ajaxErrorPane)
 import Auth (AuthRole(..), AuthStatus, authStatusAuthRole)
 import Bootstrap (btn, btnBlock, btnDanger, btnInfo, btnPrimary, btnSmall, col12_, col6_, empty, formControl, isInvalid, isValid, nbsp, pullRight, row_)
 import DOM.HTML.Indexed.InputType (InputType(..))
-import Data.Array.NonEmpty as NonEmptyArray
 import Data.Either (Either(..), isRight, note)
-import Data.Lens (findOf, traversed, view)
+import Data.Lens (view)
 import Data.Maybe (Maybe(..), fromMaybe)
-import Data.String.Regex (Regex, match, regex)
-import Data.String.Regex.Flags (ignoreCase)
-import Gist (Gist, GistFile, GistId(GistId), gistFileFilename, gistFiles, gistHtmlUrl)
+import Gist (Gist, GistId, gistHtmlUrl)
 import Halogen.HTML (ClassName(ClassName), HTML, IProp, a, button, div, div_, input, text)
 import Halogen.HTML.Events (onClick, onValueInput)
 import Halogen.HTML.Properties (class_, classes, disabled, href, id_, placeholder, target, type_, value)
 import Icons (Icon(..), icon)
 import Network.RemoteData (RemoteData(NotAsked, Loading, Failure, Success))
-import Prelude (bind, const, ($), (<$>), (<<<), (<>), (=<<), (==))
+import Prelude (const, ($), (<$>), (<<<), (<>), (=<<))
 import Servant.PureScript.Ajax (AjaxError)
 
 idPublishGist :: forall r i. IProp ( id :: String | r ) i
@@ -31,11 +27,6 @@ idPublishGist = id_ "publish-gist"
 idLoadGist :: forall r i. IProp ( id :: String | r ) i
 idLoadGist = id_ "load-gist"
 
-data GistAction
-  = PublishGist
-  | SetGistUrl String
-  | LoadGist
-
 gistControls ::
   forall a p.
   { authStatus :: RemoteData AjaxError AuthStatus
@@ -177,15 +168,3 @@ gistPane gist =
         ]
         [ text $ "View on Github" ]
     ]
-
-gistIdInLinkRegex :: Either String Regex
-gistIdInLinkRegex = regex "^(.*/)?([0-9a-f]{32})$" ignoreCase
-
-parseGistUrl :: String -> Either String GistId
-parseGistUrl str = do
-  gistIdInLink <- gistIdInLinkRegex
-  note "Could not parse Gist Url"
-    $ do
-        matches <- match gistIdInLink str
-        match <- NonEmptyArray.index matches 2
-        GistId <$> match