index: Drop legacy -txindex check

test/functional/feature_txindex_compatibility.py

@@ -7,7 +7,6 @@
 Previous releases are required by this test, see test/README.md.
 """
 
-import os
 import shutil
 
 from test_framework.test_framework import BitcoinTestFramework
@@ -55,10 +54,6 @@ class TxindexCompatibilityTest(BitcoinTestFramework):
         drop_index_chain_dir = self.nodes[1].chain_path
         shutil.rmtree(drop_index_chain_dir)
         shutil.copytree(legacy_chain_dir, drop_index_chain_dir)
-        self.nodes[1].assert_start_raises_init_error(
-            extra_args=["-txindex"],
-            expected_msg="Error: The block index db contains a legacy 'txindex'. To clear the occupied disk space, run a full -reindex, otherwise ignore this error. This error message will not be displayed again.",
-        )
         # Build txindex from scratch and check there is no error this time
         self.start_node(1, extra_args=["-txindex"])
         self.wait_until(lambda: self.nodes[1].getindexinfo()["txindex"]["synced"] == True)
@@ -66,12 +61,6 @@ class TxindexCompatibilityTest(BitcoinTestFramework):
 
         self.stop_nodes()
 
-        self.log.info("Check migrated txindex cannot be read by legacy node")
-        err_msg = f": You need to rebuild the database using -reindex to change -txindex.{os.linesep}Please restart with -reindex or -reindex-chainstate to recover."
-        shutil.rmtree(legacy_chain_dir)
-        shutil.copytree(drop_index_chain_dir, legacy_chain_dir)
-        self.nodes[0].assert_start_raises_init_error(extra_args=["-txindex"], expected_msg=err_msg)
-
 
 if __name__ == "__main__":
     TxindexCompatibilityTest().main()