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test: coverage for migration failure when last sync is beyond prune height

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furszy
2026-01-04 12:25:21 -05:00
parent 82caa8193a
commit b7c34d08dd
1 changed files with 34 additions and 0 deletions
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34
test/functional/wallet_migration.py
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@@ -1603,6 +1603,37 @@ class WalletMigrationTest(BitcoinTestFramework):
self.start_node(self.old_node.index)
self.connect_nodes(1, 0)
def unsynced_wallet_on_pruned_node_fails(self):
self.log.info("Test migration of an unsynced wallet on a pruned node fails gracefully")
wallet = self.create_legacy_wallet("", load_on_startup=False)
last_wallet_synced_block = wallet.getwalletinfo()['lastprocessedblock']['height']
wallet.unloadwallet()
shutil.copyfile(self.old_node.wallets_path / "wallet.dat", self.master_node.wallets_path / "wallet.dat")
# Generate blocks just so the wallet best block is pruned
self.restart_node(0, ["-fastprune", "-prune=1", "-nowallet"])
self.connect_nodes(0, 1)
self.generate(self.master_node, 450, sync_fun=self.no_op)
self.master_node.pruneblockchain(250)
# Ensure next block to sync is unavailable
assert_raises_rpc_error(-1, "Block not available (pruned data)", self.master_node.getblock, self.master_node.getblockhash(last_wallet_synced_block + 1))
# Check migration failure
mocked_time = int(time.time())
self.master_node.setmocktime(mocked_time)
assert_raises_rpc_error(-4, "last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of a pruned node)", self.master_node.migratewallet, wallet_name="")
self.master_node.setmocktime(0)
# Verify the /wallets/ path exists, the wallet is still BDB and the backup file is there.
assert self.master_node.wallets_path.exists()
self.assert_is_bdb("")
backup_path = self.master_node.wallets_path / f"default_wallet_{mocked_time}.legacy.bak"
assert backup_path.exists()
self.clear_default_wallet(backup_path)
def run_test(self):
self.master_node = self.nodes[0]
self.old_node = self.nodes[1]
@@ -1643,5 +1674,8 @@ class WalletMigrationTest(BitcoinTestFramework):
self.test_solvable_no_privs()
self.test_loading_failure_after_migration()
# Note: After this test the first 250 blocks of 'master_node' are pruned
self.unsynced_wallet_on_pruned_node_fails()
if __name__ == '__main__':
WalletMigrationTest(__file__).main()