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[tests] fix flake8 warnings in sendheaders.py

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This commit is contained in:
John Newbery 2017-11-16 09:53:35 -05:00
parent 99bc0b428b
commit 2613c545f5
1 changed files with 54 additions and 38 deletions
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44
test/functional/sendheaders.py
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@ -83,16 +83,32 @@ d. Announce 49 headers that don't connect.
e. Announce one more that doesn't connect.
Expect: disconnect.
"""
from test_framework.mininode import *
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
from test_framework.blocktools import create_block, create_coinbase
from test_framework.mininode import (
CBlockHeader,
CInv,
NODE_WITNESS,
NetworkThread,
NodeConnCB,
mininode_lock,
msg_block,
msg_getblocks,
msg_getdata,
msg_getheaders,
msg_headers,
msg_inv,
msg_sendheaders,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
sync_blocks,
wait_until,
)
DIRECT_FETCH_RESPONSE_TIME = 0.05
direct_fetch_response_time = 0.05
class TestNode(NodeConnCB):
class BaseNode(NodeConnCB):
def __init__(self):
super().__init__()
self.block_announced = False
@ -136,8 +152,8 @@ class TestNode(NodeConnCB):
# right header or the right inv
# inv and headers should be lists of block hashes
def check_last_announcement(self, headers=None, inv=None):
expect_headers = headers if headers != None else []
expect_inv = inv if inv != None else []
expect_headers = headers if headers is not None else []
expect_inv = inv if inv is not None else []
test_function = lambda: self.block_announced
wait_until(test_function, timeout=60, lock=mininode_lock)
with mininode_lock:
@ -217,10 +233,10 @@ class SendHeadersTest(BitcoinTestFramework):
def run_test(self):
# Setup the p2p connections and start up the network thread.
inv_node = self.nodes[0].add_p2p_connection(TestNode())
inv_node = self.nodes[0].add_p2p_connection(BaseNode())
# Set nServices to 0 for test_node, so no block download will occur outside of
# direct fetching
test_node = self.nodes[0].add_p2p_connection(TestNode(), services=NODE_WITNESS)
test_node = self.nodes[0].add_p2p_connection(BaseNode(), services=NODE_WITNESS)
NetworkThread().start() # Start up network handling in another thread
@ -453,7 +469,7 @@ class SendHeadersTest(BitcoinTestFramework):
test_node.send_header_for_blocks(blocks)
test_node.sync_with_ping()
test_node.wait_for_getdata([x.sha256 for x in blocks], timeout=direct_fetch_response_time)
test_node.wait_for_getdata([x.sha256 for x in blocks], timeout=DIRECT_FETCH_RESPONSE_TIME)
[test_node.send_message(msg_block(x)) for x in blocks]
@ -484,13 +500,13 @@ class SendHeadersTest(BitcoinTestFramework):
# both blocks (same work as tip)
test_node.send_header_for_blocks(blocks[1:2])
test_node.sync_with_ping()
test_node.wait_for_getdata([x.sha256 for x in blocks[0:2]], timeout=direct_fetch_response_time)
test_node.wait_for_getdata([x.sha256 for x in blocks[0:2]], timeout=DIRECT_FETCH_RESPONSE_TIME)
# Announcing 16 more headers should trigger direct fetch for 14 more
# blocks
test_node.send_header_for_blocks(blocks[2:18])
test_node.sync_with_ping()
test_node.wait_for_getdata([x.sha256 for x in blocks[2:16]], timeout=direct_fetch_response_time)
test_node.wait_for_getdata([x.sha256 for x in blocks[2:16]], timeout=DIRECT_FETCH_RESPONSE_TIME)
# Announcing 1 more header should not trigger any response
test_node.last_message.pop("getdata", None)