diff options
| -rwxr-xr-x | test/functional/mempool_compatibility.py | 78 | ||||
| -rwxr-xr-x | test/functional/test_runner.py | 1 |
2 files changed, 79 insertions, 0 deletions
diff --git a/test/functional/mempool_compatibility.py b/test/functional/mempool_compatibility.py new file mode 100755 index 0000000000..eb2fee11ae --- /dev/null +++ b/test/functional/mempool_compatibility.py @@ -0,0 +1,78 @@ +#!/usr/bin/env python3 +# Copyright (c) 2017-2020 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. +"""Test that mempool.dat is both backward and forward compatible between versions + +NOTE: The test is designed to prevent cases when compatibility is broken accidentally. +In case we need to break mempool compatibility we can continue to use the test by just bumping the version number. + +Download node binaries: +contrib/devtools/previous_release.sh -b v0.19.1 v0.18.1 v0.17.1 v0.16.3 v0.15.2 + +Only v0.15.2 is required by this test. The rest is used in other backwards compatibility tests. +""" + +import os + +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import ( + adjust_bitcoin_conf_for_pre_17 +) + +class MempoolCompatibilityTest(BitcoinTestFramework): + def set_test_params(self): + self.num_nodes = 2 + + def skip_test_if_missing_module(self): + self.skip_if_no_wallet() + self.skip_if_no_previous_releases() + + def setup_network(self): + self.add_nodes(self.num_nodes, versions=[ + 150200, # oldest version supported by the test framework + None, + ]) + adjust_bitcoin_conf_for_pre_17(self.nodes[0].bitcoinconf) + self.start_nodes() + self.import_deterministic_coinbase_privkeys() + + def run_test(self): + self.log.info("Test that mempool.dat is compatible between versions") + + old_node = self.nodes[0] + new_node = self.nodes[1] + recipient = old_node.getnewaddress() + self.stop_node(1) + + self.log.info("Add a transaction to mempool on old node and shutdown") + old_tx_hash = old_node.sendtoaddress(recipient, 0.0001) + assert old_tx_hash in old_node.getrawmempool() + self.stop_node(0) + + self.log.info("Move mempool.dat from old to new node") + old_node_mempool = os.path.join(old_node.datadir, self.chain, 'mempool.dat') + new_node_mempool = os.path.join(new_node.datadir, self.chain, 'mempool.dat') + os.rename(old_node_mempool, new_node_mempool) + + self.log.info("Start new node and verify mempool contains the tx") + self.start_node(1) + assert old_tx_hash in new_node.getrawmempool() + + self.log.info("Add unbroadcasted tx to mempool on new node and shutdown") + unbroadcasted_tx_hash = new_node.sendtoaddress(recipient, 0.0001) + assert unbroadcasted_tx_hash in new_node.getrawmempool() + mempool = new_node.getrawmempool(True) + assert mempool[unbroadcasted_tx_hash]['unbroadcast'] + self.stop_node(1) + + self.log.info("Move mempool.dat from new to old node") + os.rename(new_node_mempool, old_node_mempool) + + self.log.info("Start old node again and verify mempool contains both txs") + self.start_node(0, ['-nowallet']) + assert old_tx_hash in old_node.getrawmempool() + assert unbroadcasted_tx_hash in old_node.getrawmempool() + +if __name__ == "__main__": + MempoolCompatibilityTest().main() diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py index 8b11dc8376..79a172706c 100755 --- a/test/functional/test_runner.py +++ b/test/functional/test_runner.py @@ -233,6 +233,7 @@ BASE_SCRIPTS = [ 'feature_includeconf.py', 'feature_asmap.py', 'mempool_unbroadcast.py', + 'mempool_compatibility.py', 'rpc_deriveaddresses.py', 'rpc_deriveaddresses.py --usecli', 'rpc_scantxoutset.py', |