Differential D2591 Diff 7467 test/functional/abc-sync-chain.py

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test/functional/abc-sync-chain.py

	#!/usr/bin/env python3			#!/usr/bin/env python3
	# Copyright (c) 2018 The Bitcoin developers			# Copyright (c) 2018 The Bitcoin 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 a node receiving many (potentially out of order) blocks exits			Test that a node receiving many (potentially out of order) blocks exits
	initial block download (IBD; this occurs once it has passed minimumchainwork)			initial block download (IBD; this occurs once it has passed minimumchainwork)
	and continues to sync without seizing.			and continues to sync without seizing.
	"""			"""

	import random			import random

	from test_framework.blocktools import create_block, create_coinbase			from test_framework.blocktools import create_block, create_coinbase
	from test_framework.mininode import (CBlockHeader,			from test_framework.messages import CBlockHeader, msg_block, msg_headers
	network_thread_start,			from test_framework.mininode import network_thread_start, P2PInterface
	P2PInterface,
	msg_block,
	msg_headers)
	from test_framework.test_framework import BitcoinTestFramework			from test_framework.test_framework import BitcoinTestFramework
	from test_framework.util import wait_until, p2p_port			from test_framework.util import p2p_port, wait_until


	NUM_IBD_BLOCKS = 50			NUM_IBD_BLOCKS = 50


	class BaseNode(P2PInterface):			class BaseNode(P2PInterface):
	def send_header(self, block):			def send_header(self, block):
	msg = msg_headers()			msg = msg_headers()
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