From fa48baf23eb2ec5e9b71e3e07c24432fc1fed39c Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Sun, 23 Dec 2018 19:08:57 +0100 Subject: wallet: Avoid leaking locktime fingerprint when anti-fee-sniping --- test/functional/wallet_create_tx.py | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 test/functional/wallet_create_tx.py (limited to 'test/functional/wallet_create_tx.py') diff --git a/test/functional/wallet_create_tx.py b/test/functional/wallet_create_tx.py new file mode 100755 index 0000000000..27dc0fb279 --- /dev/null +++ b/test/functional/wallet_create_tx.py @@ -0,0 +1,35 @@ +#!/usr/bin/env python3 +# Copyright (c) 2018 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import ( + assert_equal, +) + + +class CreateTxWalletTest(BitcoinTestFramework): + def set_test_params(self): + self.setup_clean_chain = False + self.num_nodes = 1 + + def skip_test_if_missing_module(self): + self.skip_if_no_wallet() + + def run_test(self): + self.log.info('Check that we have some (old) blocks and that anti-fee-sniping is disabled') + assert_equal(self.nodes[0].getblockchaininfo()['blocks'], 200) + txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1) + tx = self.nodes[0].decoderawtransaction(self.nodes[0].gettransaction(txid)['hex']) + assert_equal(tx['locktime'], 0) + + self.log.info('Check that anti-fee-sniping is enabled when we mine a recent block') + self.nodes[0].generate(1) + txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1) + tx = self.nodes[0].decoderawtransaction(self.nodes[0].gettransaction(txid)['hex']) + assert 0 < tx['locktime'] <= 201 + + +if __name__ == '__main__': + CreateTxWalletTest().main() -- cgit v1.2.3