#!/usr/bin/env python3 # Copyright (c) 2018-2023, The Monero Project # # All rights reserved. # # Redistribution and use in source and binary forms, with or without modification, are # permitted provided that the following conditions are met: # # 1. Redistributions of source code must retain the above copyright notice, this list of # conditions and the following disclaimer. # # 2. Redistributions in binary form must reproduce the above copyright notice, this list # of conditions and the following disclaimer in the documentation and/or other # materials provided with the distribution. # # 3. Neither the name of the copyright holder nor the names of its contributors may be # used to endorse or promote products derived from this software without specific # prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL # THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. from __future__ import print_function import time """Test daemon P2P """ from framework.daemon import Daemon from framework.wallet import Wallet class P2PTest(): def run_test(self): self.reset() self.create() self.mine(80) self.test_p2p_reorg() self.test_p2p_tx_propagation() def reset(self): print('Resetting blockchain') daemon = Daemon() res = daemon.get_height() daemon.pop_blocks(res.height - 1) daemon.flush_txpool() def create(self): print('Creating wallet') seed = 'velvet lymph giddy number token physics poetry unquoted nibs useful sabotage limits benches lifestyle eden nitrogen anvil fewest avoid batch vials washing fences goat unquoted' self.wallet = Wallet(idx = 4) # close the wallet if any, will throw if none is loaded try: self.wallet.close_wallet() except: pass res = self.wallet.restore_deterministic_wallet(seed = seed) def mine(self, blocks): assert blocks >= 1 print("Generating", blocks, 'blocks') daemon = Daemon(idx = 2) # generate blocks res_generateblocks = daemon.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', blocks) def test_p2p_reorg(self): print('Testing P2P reorg') daemon2 = Daemon(idx = 2) daemon3 = Daemon(idx = 3) # give sync some time time.sleep(1) res = daemon2.get_info() height = res.height assert height > 0 top_block_hash = res.top_block_hash assert len(top_block_hash) == 64 res = daemon3.get_info() assert res.height == height assert res.top_block_hash == top_block_hash # disconnect daemons and mine separately on both daemon2.out_peers(0) daemon3.out_peers(0) res = daemon2.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 2) res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3) res = daemon2.get_info() assert res.height == height + 2 daemon2_top_block_hash = res.top_block_hash assert daemon2_top_block_hash != top_block_hash res = daemon3.get_info() assert res.height == height + 3 daemon3_top_block_hash = res.top_block_hash assert daemon3_top_block_hash != top_block_hash assert daemon3_top_block_hash != daemon2_top_block_hash # reconnect, daemon2 will now switch to daemon3's chain daemon2.out_peers(8) daemon3.out_peers(8) time.sleep(10) res = daemon2.get_info() assert res.height == height + 3 assert res.top_block_hash == daemon3_top_block_hash # disconect, mine on daemon2 again more than daemon3 daemon2.out_peers(0) daemon3.out_peers(0) res = daemon2.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 3) res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 2) res = daemon2.get_info() assert res.height == height + 6 daemon2_top_block_hash = res.top_block_hash assert daemon2_top_block_hash != top_block_hash res = daemon3.get_info() assert res.height == height + 5 daemon3_top_block_hash = res.top_block_hash assert daemon3_top_block_hash != top_block_hash assert daemon3_top_block_hash != daemon2_top_block_hash # reconnect, daemon3 will now switch to daemon2's chain daemon2.out_peers(8) daemon3.out_peers(8) time.sleep(5) res = daemon3.get_info() assert res.height == height + 6 assert res.top_block_hash == daemon2_top_block_hash # disconnect and mine a lot on daemon3 daemon2.out_peers(0) daemon3.out_peers(0) res = daemon3.generateblocks('42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 500) # reconnect and wait for sync daemon2.out_peers(8) daemon3.out_peers(8) loops = 100 while True: res2 = daemon2.get_info() res3 = daemon3.get_info() if res2.top_block_hash == res3.top_block_hash: break time.sleep(10) loops -= 1 assert loops >= 0 def test_p2p_tx_propagation(self): print('Testing P2P tx propagation') daemon2 = Daemon(idx = 2) daemon3 = Daemon(idx = 3) for daemon in [daemon2, daemon3]: res = daemon.get_transaction_pool_hashes() assert not 'tx_hashes' in res or len(res.tx_hashes) == 0 self.wallet.refresh() res = self.wallet.get_balance() dst = {'address': '42ey1afDFnn4886T7196doS9GPMzexD9gXpsZJDwVjeRVdFCSoHnv7KPbBeGpzJBzHRCAs9UxqeoyFQMYbqSWYTfJJQAWDm', 'amount': 1000000000000} res = self.wallet.transfer([dst]) assert len(res.tx_hash) == 32*2 txid = res.tx_hash time.sleep(5) for daemon in [daemon2, daemon3]: res = daemon.get_transaction_pool_hashes() assert len(res.tx_hashes) == 1 assert res.tx_hashes[0] == txid if __name__ == '__main__': P2PTest().run_test()