Differential D10123 Diff 29976 test/functional/p2p_dos_header_tree.py

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test/functional/p2p_dos_header_tree.py

	#!/usr/bin/env python3			#!/usr/bin/env python3
	# Copyright (c) 2019 The Bitcoin Core developers			# Copyright (c) 2019 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 that we reject low difficulty headers to prevent our block tree from filling up with useless bloat"""			"""Test that we reject low difficulty headers to prevent our block tree from filling up with useless bloat"""

	from test_framework.messages import (
	CBlockHeader,
	FromHex,
	)
	from test_framework.p2p import (
	P2PInterface,
	msg_headers,
	)
	from test_framework.test_framework import BitcoinTestFramework

	import os			import os

				from test_framework.messages import CBlockHeader, FromHex
				from test_framework.p2p import P2PInterface, msg_headers
				from test_framework.test_framework import BitcoinTestFramework


	class RejectLowDifficultyHeadersTest(BitcoinTestFramework):			class RejectLowDifficultyHeadersTest(BitcoinTestFramework):
	def set_test_params(self):			def set_test_params(self):
	self.setup_clean_chain = True			self.setup_clean_chain = True
	self.chain = 'testnet3' # Use testnet chain because it has an early checkpoint			self.chain = 'testnet3' # Use testnet chain because it has an early checkpoint
	self.num_nodes = 2			self.num_nodes = 2

	def add_options(self, parser):			def add_options(self, parser):
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