mirror of
https://github.com/ElementsProject/elements.git
synced 2026-08-14 12:43:40 +02:00
91 lines
3.3 KiB
Python
Executable file
91 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# Copyright (c) 2019-2022 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 we reject low difficulty headers to prevent our block tree from filling up with useless bloat"""
|
|
|
|
from test_framework.test_framework import BitcoinTestFramework
|
|
|
|
from test_framework.p2p import (
|
|
CBlockHeader,
|
|
P2PInterface,
|
|
)
|
|
|
|
from test_framework.messages import (
|
|
msg_headers,
|
|
)
|
|
|
|
from test_framework.blocktools import (
|
|
NORMAL_GBT_REQUEST_PARAMS,
|
|
create_block,
|
|
)
|
|
|
|
from test_framework.util import assert_equal
|
|
|
|
class PreSyncHeadersTest(BitcoinTestFramework):
|
|
def set_test_params(self):
|
|
self.rpc_timeout *= 4 # To avoid timeout when generating BLOCKS_TO_MINE
|
|
self.setup_clean_chain = True
|
|
self.num_nodes = 4
|
|
# Node0 has no required chainwork; node1 requires 15 blocks on top of the genesis block; node2 requires 2047
|
|
self.extra_args = [["-minimumchainwork=0x0", "-checkblockindex=0"], ["-minimumchainwork=0x1f", "-checkblockindex=0"], ["-minimumchainwork=0x1000", "-checkblockindex=0"], ["-minimumchainwork=0x1000", "-checkblockindex=0", "-whitelist=noban@127.0.0.1"]]
|
|
|
|
def add_options(self, parser):
|
|
self.add_wallet_options(parser)
|
|
|
|
def setup_network(self):
|
|
self.setup_nodes()
|
|
self.reconnect_all()
|
|
self.sync_all()
|
|
|
|
def disconnect_all(self):
|
|
self.disconnect_nodes(0, 1)
|
|
self.disconnect_nodes(0, 2)
|
|
self.disconnect_nodes(0, 3)
|
|
|
|
def reconnect_all(self):
|
|
self.connect_nodes(0, 1)
|
|
self.connect_nodes(0, 2)
|
|
self.connect_nodes(0, 3)
|
|
|
|
def run_test(self):
|
|
# ELEMENTS: this test taken from p2p_headers_sync_with_mainchainwork.py to run on elements regtest
|
|
self.nodes[0].createwallet("miner")
|
|
wallet = self.nodes[0].get_wallet_rpc("miner")
|
|
global address
|
|
address = wallet.getnewaddress()
|
|
|
|
self.log.info("Test that getpeerinfo() includes headers presync height")
|
|
|
|
# Disconnect network, so that we can find our own peer connection more
|
|
# easily
|
|
self.disconnect_all()
|
|
|
|
p2p = self.nodes[0].add_p2p_connection(P2PInterface())
|
|
node = self.nodes[0]
|
|
|
|
# Ensure we have a long chain already
|
|
current_height = self.nodes[0].getblockcount()
|
|
if (current_height < 3000):
|
|
self.generatetoaddress(node, 3000-current_height, address, sync_fun=self.no_op)
|
|
|
|
# Send a group of 2000 headers, forking from genesis.
|
|
new_blocks = []
|
|
hashPrevBlock = int(node.getblockhash(0), 16)
|
|
for i in range(2000):
|
|
block = create_block(hashprev = hashPrevBlock, tmpl=node.getblocktemplate(NORMAL_GBT_REQUEST_PARAMS))
|
|
block.solve()
|
|
new_blocks.append(block)
|
|
hashPrevBlock = block.sha256
|
|
|
|
headers_message = msg_headers()
|
|
headers_message.headers = [CBlockHeader(b) for b in new_blocks]
|
|
|
|
#headers_message = msg_headers(headers=new_blocks)
|
|
p2p.send_and_ping(headers_message)
|
|
|
|
# getpeerinfo should show a sync in progress
|
|
assert_equal(node.getpeerinfo()[0]['presynced_headers'], 2000)
|
|
|
|
if __name__ == '__main__':
|
|
PreSyncHeadersTest(__file__).main()
|