From bf3264dab6d541fd4c533afadcdf5820ae15f79a Mon Sep 17 00:00:00 2001
From: Sasha Bogicevic <sasha.bogicevic@iohk.io>
Date: Thu, 9 Mar 2023 12:28:21 +0100
Subject: [PATCH] Move argument checks on branch where we are sure to load
 state

---
 hydra-node/exe/hydra-node/Main.hs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hydra-node/exe/hydra-node/Main.hs b/hydra-node/exe/hydra-node/Main.hs
index e9b12e5fe0e..a330d167381 100644
--- a/hydra-node/exe/hydra-node/Main.hs
+++ b/hydra-node/exe/hydra-node/Main.hs
@@ -84,11 +84,11 @@ main = do
               pure $ Idle IdleState{chainState = initialChainState}
             Just headState -> do
               traceWith tracer LoadedState
+              let paramsMismatch = checkParamsAgainstExistingState headState env
+              when (not $ null paramsMismatch) $ do
+                traceWith tracer (Misconfiguration paramsMismatch)
+                throwIO $ PersistenceException $ concat paramsMismatch
               pure headState
-        let paramsMismatch = checkParamsAgainstExistingState hs env
-        when (not $ null paramsMismatch) $ do
-          traceWith tracer (Misconfiguration paramsMismatch)
-          throwIO $ PersistenceException $ concat paramsMismatch
         nodeState <- createNodeState hs
         ctx <- loadChainContext chainConfig party otherParties hydraScriptsTxId
         wallet <- mkTinyWallet (contramap DirectChain tracer) chainConfig