Differential D3501 Diff 9875 test/functional/p2p_unrequested_blocks.py

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test/functional/p2p_unrequested_blocks.py

	#!/usr/bin/env python3			#!/usr/bin/env python3
	# Copyright (c) 2015-2016 The Bitcoin Core developers			# Copyright (c) 2015-2016 The Bitcoin Core developers
	# Distributed under the MIT software license, see the accompanying			# Distributed under the MIT software license, see the accompanying
	# file COPYING or http://www.opensource.org/licenses/mit-license.php.			# file COPYING or http://www.opensource.org/licenses/mit-license.php.
				"""Test processing of unrequested blocks.
	import time

	from test_framework.blocktools import (
	create_block,
	create_coinbase,
	create_transaction,
	)
	from test_framework.messages import (
	CBlockHeader,
	CInv,
	msg_block,
	msg_headers,
	msg_inv,
	)
	from test_framework.mininode import (
	mininode_lock,
	network_thread_join,
	network_thread_start,
	P2PInterface,
	)
	from test_framework.test_framework import BitcoinTestFramework
	from test_framework.util import (
	assert_equal,
	assert_raises_rpc_error,
	connect_nodes,
	sync_blocks,
	)

	'''
	AcceptBlockTest -- test processing of unrequested blocks.

	Setup: two nodes, node0+node1, not connected to each other. Node1 will have			Setup: two nodes, node0+node1, not connected to each other. Node1 will have
	nMinimumChainWork set to 0x10, so it won't process low-work unrequested blocks.			nMinimumChainWork set to 0x10, so it won't process low-work unrequested blocks.

	We have one P2PInterface connection to node0 called test_node, and one to node1			We have one P2PInterface connection to node0 called test_node, and one to node1
	called min_work_node.			called min_work_node.

	The test:			The test:
	Show All 30 Lines

	8. Create a fork which is invalid at a height longer than the current chain			8. Create a fork which is invalid at a height longer than the current chain
	(ie to which the node will try to reorg) but which has headers built on top			(ie to which the node will try to reorg) but which has headers built on top
	of the invalid block. Check that we get disconnected if we send more headers			of the invalid block. Check that we get disconnected if we send more headers
	on the chain the node now knows to be invalid.			on the chain the node now knows to be invalid.

	9. Test Node1 is able to sync when connected to node0 (which should have sufficient			9. Test Node1 is able to sync when connected to node0 (which should have sufficient
	work on its chain).			work on its chain).
	'''			"""

				import time

				from test_framework.blocktools import (
				create_block,
				create_coinbase,
				create_transaction,
				)
				from test_framework.messages import (
				CBlockHeader,
				CInv,
				msg_block,
				msg_headers,
				msg_inv,
				)
				from test_framework.mininode import (
				mininode_lock,
				network_thread_join,
				network_thread_start,
				P2PInterface,
				)
				from test_framework.test_framework import BitcoinTestFramework
				from test_framework.util import (
				assert_equal,
				assert_raises_rpc_error,
				connect_nodes,
				sync_blocks,
				)


	class AcceptBlockTest(BitcoinTestFramework):			class AcceptBlockTest(BitcoinTestFramework):

	def set_test_params(self):			def set_test_params(self):
	self.setup_clean_chain = True			self.setup_clean_chain = True
	self.num_nodes = 2			self.num_nodes = 2
	self.extra_args = [["-noparkdeepreorg"],			self.extra_args = [["-noparkdeepreorg"],
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