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Move size limits to module-global

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As well, this renames those variables to match PEP8 and this clears up
the comment relating to VALID_DATA_LIMIT.

Admittedly, this commit is mainly to make the following ones cleaner.
This commit is contained in:
Troy Giorshev 2020-06-04 11:52:23 -04:00
parent 57890abf2c
commit ff1e7b8844
1 changed files with 4 additions and 4 deletions
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8
test/functional/p2p_invalid_messages.py
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@ -23,6 +23,8 @@ from test_framework.mininode import (
)
from test_framework.test_framework import BitcoinTestFramework
MSG_LIMIT = 4 * 1000 * 1000 # 4MB, per MAX_PROTOCOL_MESSAGE_LENGTH
VALID_DATA_LIMIT = MSG_LIMIT - 5 # Account for the 5-byte length prefix
class msg_unrecognized:
"""Nonsensical message. Modeled after similar types in test_framework.messages."""
@ -61,8 +63,6 @@ class InvalidMessagesTest(BitcoinTestFramework):
node.add_p2p_connection(P2PDataStore())
conn2 = node.add_p2p_connection(P2PDataStore())
msg_limit = 4 * 1000 * 1000 # 4MB, per MAX_PROTOCOL_MESSAGE_LENGTH
valid_data_limit = msg_limit - 5 # Account for the 4-byte length prefix
#
# 0.
@ -70,8 +70,8 @@ class InvalidMessagesTest(BitcoinTestFramework):
# Send as large a message as is valid, ensure we aren't disconnected but
# also can't exhaust resources.
#
msg_at_size = msg_unrecognized(str_data="b" * valid_data_limit)
assert len(msg_at_size.serialize()) == msg_limit
msg_at_size = msg_unrecognized(str_data="b" * VALID_DATA_LIMIT)
assert len(msg_at_size.serialize()) == MSG_LIMIT
self.log.info("Sending a bunch of large, junk messages to test memory exhaustion. May take a bit...")