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authorJohn Newbery <john@johnnewbery.com>2017-03-08 15:56:30 -0500
committerJohn Newbery <john@johnnewbery.com>2017-03-20 10:40:31 -0400
commit00902c48cdc5d6a531abfd279fd8e7779cf0a0b8 (patch)
tree41891484a478a7478937fe4a12b63e6c7f31799a /qa/rpc-tests/p2p-versionbits-warning.py
parentd34995a7bac6ed20ce42aa00c6252b900786e649 (diff)
Rename qa directory to test
Diffstat (limited to 'qa/rpc-tests/p2p-versionbits-warning.py')
-rwxr-xr-xqa/rpc-tests/p2p-versionbits-warning.py163
1 files changed, 0 insertions, 163 deletions
diff --git a/qa/rpc-tests/p2p-versionbits-warning.py b/qa/rpc-tests/p2p-versionbits-warning.py
deleted file mode 100755
index dc714e9a4a..0000000000
--- a/qa/rpc-tests/p2p-versionbits-warning.py
+++ /dev/null
@@ -1,163 +0,0 @@
-#!/usr/bin/env python3
-# Copyright (c) 2016 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 version bits warning system.
-
-Generate chains with block versions that appear to be signalling unknown
-soft-forks, and test that warning alerts are generated.
-"""
-
-from test_framework.mininode import *
-from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import *
-import re
-import time
-from test_framework.blocktools import create_block, create_coinbase
-
-VB_PERIOD = 144 # versionbits period length for regtest
-VB_THRESHOLD = 108 # versionbits activation threshold for regtest
-VB_TOP_BITS = 0x20000000
-VB_UNKNOWN_BIT = 27 # Choose a bit unassigned to any deployment
-
-WARN_UNKNOWN_RULES_MINED = "Unknown block versions being mined! It's possible unknown rules are in effect"
-WARN_UNKNOWN_RULES_ACTIVE = "unknown new rules activated (versionbit {})".format(VB_UNKNOWN_BIT)
-VB_PATTERN = re.compile("^Warning.*versionbit")
-
-# TestNode: bare-bones "peer". Used mostly as a conduit for a test to sending
-# p2p messages to a node, generating the messages in the main testing logic.
-class TestNode(NodeConnCB):
- def __init__(self):
- NodeConnCB.__init__(self)
- self.connection = None
- self.ping_counter = 1
- self.last_pong = msg_pong()
-
- def add_connection(self, conn):
- self.connection = conn
-
- def on_inv(self, conn, message):
- pass
-
- # Wrapper for the NodeConn's send_message function
- def send_message(self, message):
- self.connection.send_message(message)
-
- def on_pong(self, conn, message):
- self.last_pong = message
-
- # Sync up with the node after delivery of a block
- def sync_with_ping(self, timeout=30):
- self.connection.send_message(msg_ping(nonce=self.ping_counter))
- received_pong = False
- sleep_time = 0.05
- while not received_pong and timeout > 0:
- time.sleep(sleep_time)
- timeout -= sleep_time
- with mininode_lock:
- if self.last_pong.nonce == self.ping_counter:
- received_pong = True
- self.ping_counter += 1
- return received_pong
-
-
-class VersionBitsWarningTest(BitcoinTestFramework):
- def __init__(self):
- super().__init__()
- self.setup_clean_chain = True
- self.num_nodes = 1
-
- def setup_network(self):
- self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
- # Open and close to create zero-length file
- with open(self.alert_filename, 'w', encoding='utf8') as _:
- pass
- self.extra_args = [["-alertnotify=echo %s >> \"" + self.alert_filename + "\""]]
- self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
-
- # Send numblocks blocks via peer with nVersionToUse set.
- def send_blocks_with_version(self, peer, numblocks, nVersionToUse):
- tip = self.nodes[0].getbestblockhash()
- height = self.nodes[0].getblockcount()
- block_time = self.nodes[0].getblockheader(tip)["time"]+1
- tip = int(tip, 16)
-
- for _ in range(numblocks):
- block = create_block(tip, create_coinbase(height+1), block_time)
- block.nVersion = nVersionToUse
- block.solve()
- peer.send_message(msg_block(block))
- block_time += 1
- height += 1
- tip = block.sha256
- peer.sync_with_ping()
-
- def test_versionbits_in_alert_file(self):
- with open(self.alert_filename, 'r', encoding='utf8') as f:
- alert_text = f.read()
- assert(VB_PATTERN.match(alert_text))
-
- def run_test(self):
- # Setup the p2p connection and start up the network thread.
- test_node = TestNode()
-
- connections = []
- connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test_node))
- test_node.add_connection(connections[0])
-
- NetworkThread().start() # Start up network handling in another thread
-
- # Test logic begins here
- test_node.wait_for_verack()
-
- # 1. Have the node mine one period worth of blocks
- self.nodes[0].generate(VB_PERIOD)
-
- # 2. Now build one period of blocks on the tip, with < VB_THRESHOLD
- # blocks signaling some unknown bit.
- nVersion = VB_TOP_BITS | (1<<VB_UNKNOWN_BIT)
- self.send_blocks_with_version(test_node, VB_THRESHOLD-1, nVersion)
-
- # Fill rest of period with regular version blocks
- self.nodes[0].generate(VB_PERIOD - VB_THRESHOLD + 1)
- # Check that we're not getting any versionbit-related errors in
- # get*info()
- assert(not VB_PATTERN.match(self.nodes[0].getinfo()["errors"]))
- assert(not VB_PATTERN.match(self.nodes[0].getmininginfo()["errors"]))
- assert(not VB_PATTERN.match(self.nodes[0].getnetworkinfo()["warnings"]))
-
- # 3. Now build one period of blocks with >= VB_THRESHOLD blocks signaling
- # some unknown bit
- self.send_blocks_with_version(test_node, VB_THRESHOLD, nVersion)
- self.nodes[0].generate(VB_PERIOD - VB_THRESHOLD)
- # Might not get a versionbits-related alert yet, as we should
- # have gotten a different alert due to more than 51/100 blocks
- # being of unexpected version.
- # Check that get*info() shows some kind of error.
- assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getinfo()["errors"])
- assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getmininginfo()["errors"])
- assert(WARN_UNKNOWN_RULES_MINED in self.nodes[0].getnetworkinfo()["warnings"])
-
- # Mine a period worth of expected blocks so the generic block-version warning
- # is cleared, and restart the node. This should move the versionbit state
- # to ACTIVE.
- self.nodes[0].generate(VB_PERIOD)
- stop_nodes(self.nodes)
- # Empty out the alert file
- with open(self.alert_filename, 'w', encoding='utf8') as _:
- pass
- self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
-
- # Connecting one block should be enough to generate an error.
- self.nodes[0].generate(1)
- assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getinfo()["errors"])
- assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getmininginfo()["errors"])
- assert(WARN_UNKNOWN_RULES_ACTIVE in self.nodes[0].getnetworkinfo()["warnings"])
- stop_nodes(self.nodes)
- self.test_versionbits_in_alert_file()
-
- # Test framework expects the node to still be running...
- self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
-
-if __name__ == '__main__':
- VersionBitsWarningTest().main()