From effb35bda97bd963bd546f263dfc5fafed73032c Mon Sep 17 00:00:00 2001
From: David Smith <shmish111+github@gmail.com>
Date: Fri, 17 Jan 2020 11:18:02 +0000
Subject: [PATCH] nothing changes

---
 .../worker/Marlowe/Symbolic.purs                | 11 +++++++----
 marlowe-playground-client/worker/Worker.purs    | 17 +++++++----------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/marlowe-playground-client/worker/Marlowe/Symbolic.purs b/marlowe-playground-client/worker/Marlowe/Symbolic.purs
index 7d6ac474dd7..05a431018a6 100644
--- a/marlowe-playground-client/worker/Marlowe/Symbolic.purs
+++ b/marlowe-playground-client/worker/Marlowe/Symbolic.purs
@@ -18,6 +18,7 @@ import Data.Newtype (class Newtype, unwrap, wrap)
 import Data.Symbol (SProxy(..))
 import Data.Symbolic (BooleanConstraint(..), IntConstraint(..), Sort(..), StringConstraint(..), Tree, Var(..), intVar, is, ite, smin, stringVar, (.<), (.<=), (.>), (.>=))
 import Data.Tuple (Tuple(..), snd)
+import Debug.Trace (trace)
 import Marlowe.Semantics (AccountId, Action(..), Bound(..), Case(..), ChoiceId, Contract(..), Observation(..), Party, Payee, Token(..), Value(..), ValueId, maxDepth)
 import Marlowe.Semantics as MS
 
@@ -711,7 +712,7 @@ computeTransaction tx currentWarnings state contract = do
     IntervalError error -> pure $ Error (TEIntervalError error)
 
 computeTransactions :: TransactionOutput -> Array STransactionInput -> Tree TransactionOutput
-computeTransactions tout [] = pure tout
+-- computeTransactions tout [] = pure tout
 
 computeTransactions tout@(Error _) _ = pure tout
 
@@ -799,8 +800,8 @@ getTransactionOutput contract = do
 
     mkSlotInterval suffix (SlotInterval (Slot a) (Slot b)) =
       SlotInterval
-        (Slot $ (IntAdd a (intVar ("slot-start" <> suffix))))
-        (Slot $ (IntAdd a (intVar ("slot-end" <> suffix))))
+        (Slot $ (IntAdd b (intVar ("slot-start" <> suffix))))
+        (Slot $ (IntAdd b (intVar ("slot-end" <> suffix))))
 
     state =
       State
@@ -827,6 +828,8 @@ getTransactionOutput contract = do
           i <- mkInput $ show idx
           pure [ i ]
       pure $ Tuple (idx + 1) $ TransactionInput { interval: slotInterval', inputs: inputs } : acc
+  -- FIXME: just trying to get rid of empty txs as an experiment
+  -- inputs <- filter notEmpty <$> mkTxs depth
   inputs <- mkTxs depth
   txs <- foldM mkTx (Tuple 1 []) inputs
   let
@@ -841,4 +844,4 @@ getTransactionOutput contract = do
 
 hasWarnings :: TransactionOutput -> Boolean
 hasWarnings (Error _) = false
-hasWarnings (TransactionOutput vs) = not $ Array.null vs.txOutWarnings
\ No newline at end of file
+hasWarnings (TransactionOutput {txOutWarnings}) = not $ Array.null txOutWarnings
\ No newline at end of file
diff --git a/marlowe-playground-client/worker/Worker.purs b/marlowe-playground-client/worker/Worker.purs
index 1e299105f4c..1d1b60c67cf 100644
--- a/marlowe-playground-client/worker/Worker.purs
+++ b/marlowe-playground-client/worker/Worker.purs
@@ -1,7 +1,6 @@
 module Worker where
 
 import Prelude
-
 import Control.Monad.Except (runExcept)
 import Data.Array (filter, head)
 import Data.Either (Either(..))
@@ -57,9 +56,10 @@ handleRequest ctx (AnalyseContractRequest contractString) = do
   res <- checkContractForWarnings contractString
   postMessage ctx (AnalyseContractResult (show res))
 
-handleRequest ctx InitializeZ3 = onZ3Initialized do
-  Console.log "Z3 loaded"
-  postMessage ctx InitializedZ3
+handleRequest ctx InitializeZ3 =
+  onZ3Initialized do
+    Console.log "Z3 loaded"
+    postMessage ctx InitializedZ3
 
 checkContractForWarnings :: String -> Effect (Maybe (Map String String))
 checkContractForWarnings contractString = do
@@ -72,16 +72,15 @@ checkContractForWarnings contractString = do
     tree = getTransactionOutput contract
 
     equations = filter (\a -> hasWarnings a.value) $ getEquations tree
-
   liftEffect do
     resA <-
       runZ3 do
         r1 <- declareVars equations
         traverse f equations
     case head (filter isJust resA) of
-        Nothing -> pure Nothing
-        (Just Nothing) -> pure Nothing
-        (Just (Just m)) -> pure $ Just m
+      Nothing -> pure Nothing
+      (Just Nothing) -> pure Nothing
+      (Just (Just m)) -> pure $ Just m
   where
   f :: forall a. Equation a -> Z3 (Maybe (Map String String))
   f a = do
@@ -92,8 +91,6 @@ checkContractForWarnings contractString = do
     void $ evalString "(pop)"
     pure res
 
--- handler needs to recieve messages that are a map of type and body (string) and pattern match on the type
--- need to coerce to {messageType: "AnalyseContract|InitializeZ3", body: contractString|null }
 main ::
   Effect Unit
 main = do