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#!/usr/bin/env python3
# Copyright (c) 2018-2024, 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()
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