def run_test(self):
node = self.nodes[0] # convenience reference to the node
node.generatetoaddress(
1,
node.get_deterministic_priv_key().address) # Get node out of IBD
self.log.info('Test max locator size')
block_count = node.getblockcount()
for msg in [msg_getheaders(), msg_getblocks()]:
self.log.info(
'Wait for disconnect when sending {} hashes in locator'.format(
MAX_LOCATOR_SZ + 1))
node.add_p2p_connection(P2PInterface())
msg.locator.vHave = [
int(node.getblockhash(i - 1), 16)
for i in range(block_count, block_count -
(MAX_LOCATOR_SZ + 1), -1)
]
node.p2p.send_message(msg)
node.p2p.wait_for_disconnect()
node.disconnect_p2ps()
self.log.info(
'Wait for response when sending {} hashes in locator'.format(
MAX_LOCATOR_SZ))
node.add_p2p_connection(P2PInterface())
msg.locator.vHave = [
int(node.getblockhash(i - 1), 16)
for i in range(block_count, block_count - (MAX_LOCATOR_SZ), -1)
]
node.p2p.send_message(msg)
if type(msg) == msg_getheaders:
node.p2p.wait_for_header(int(node.getbestblockhash(), 16))
else:
node.p2p.wait_for_block(int(node.getbestblockhash(), 16))
def run_test(self):
node = self.nodes[0]
node.add_p2p_connection(P2PInterface())
chaintip = node.getbestblockhash()
# Mine some blocks and invalidate them
blocks = node.generatetoaddress(
3,
node.get_deterministic_priv_key().address)
assert_equal(blocks[-1], node.getbestblockhash())
node.invalidateblock(blocks[0])
assert_equal(chaintip, node.getbestblockhash())
# Clear any old messages
with p2p_lock:
node.p2p.last_message.pop("block", None)
node.p2p.last_message.pop("cmpctblock", None)
node.p2p.last_message.pop("headers", None)
# Requests for the invalidated block and it's decendants should fail.
# Not doing so is a potential DoS vector.
for b in blocks:
block_hash = int(b, 16)
# Currently, the implementation for getblocks skips blocks which
# are not on the currently active chain. This is the only logged
# indication of such.
with node.assert_debug_log(expected_msgs=["getblocks -1 to"]):
msg = msg_getblocks()
msg.locator.vHave = [block_hash]
node.p2p.send_message(msg)
node.p2p.sync_with_ping()
with node.assert_debug_log(expected_msgs=[
"ignoring request from peer=0 for old block that isn't in the main chain"
]):
msg = msg_getdata()
msg.inv.append(CInv(MSG_BLOCK, block_hash))
node.p2p.send_message(msg)
node.p2p.sync_with_ping()
with node.assert_debug_log(expected_msgs=[
"ignoring request from peer=0 for old block that isn't in the main chain"
]):
msg = msg_getdata()
msg.inv.append(CInv(MSG_CMPCT_BLOCK, block_hash))
node.p2p.send_message(msg)
node.p2p.sync_with_ping()
with node.assert_debug_log(expected_msgs=[
"ignoring request from peer=0 for old block header that isn't in the main chain"
]):
msg = msg_getheaders()
msg.hashstop = block_hash
node.p2p.send_message(msg)
node.p2p.sync_with_ping()
def run_test(self):
node = self.nodes[0] # convenience reference to the node
node.generate(1) # Get node out of IBD
self.log.info('Test max locator size')
block_count = node.getblockcount()
for msg in [msg_getheaders(), msg_getblocks()]:
self.log.info('Wait for disconnect when sending {} hashes in locator'.format(MAX_LOCATOR_SZ + 1))
node.add_p2p_connection(P2PInterface())
msg.locator.vHave = [int(node.getblockhash(i - 1), 16) for i in range(block_count, block_count - (MAX_LOCATOR_SZ + 1), -1)]
node.p2p.send_message(msg)
node.p2p.wait_for_disconnect()
node.disconnect_p2ps()
self.log.info('Wait for response when sending {} hashes in locator'.format(MAX_LOCATOR_SZ))
node.add_p2p_connection(P2PInterface())
msg.locator.vHave = [int(node.getblockhash(i - 1), 16) for i in range(block_count, block_count - (MAX_LOCATOR_SZ), -1)]
node.p2p.send_message(msg)
if type(msg) == msg_getheaders:
node.p2p.wait_for_header(int(node.getbestblockhash(), 16))
else:
node.p2p.wait_for_block(int(node.getbestblockhash(), 16))
def send_getblocks(self, locator):
getblocks_message = msg_getblocks()
getblocks_message.locator.vHave = locator
self.send_message(getblocks_message)