init: disallow reindex-chainstate when pruning

This fixes a bug where the node would be stuck in an
endless loop when combining these parameters.

1 files changed, 4 insertions, 0 deletions

diff --git a/test/functional/feature_pruning.py b/test/functional/feature_pruning.py
index ba3c5053cb..bf19384279 100755
--- a/test/functional/feature_pruning.py
+++ b/test/functional/feature_pruning.py
@@ -141,6 +141,10 @@ class PruneTest(BitcoinTestFramework):
             expected_msg='Error: Prune mode is incompatible with -coinstatsindex.',
             extra_args=['-prune=550', '-coinstatsindex'],
         )
+        self.nodes[0].assert_start_raises_init_error(
+            expected_msg='Error: Prune mode is incompatible with -reindex-chainstate. Use full -reindex instead.',
+            extra_args=['-prune=550', '-reindex-chainstate'],
+        )
 
     def test_height_min(self):
         assert os.path.isfile(os.path.join(self.prunedir, "blk00000.dat")), "blk00000.dat is missing, pruning too early"