Differential D2157 Diff 6191 test/functional/pruning.py

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test/functional/pruning.py

	#!/usr/bin/env python3			#!/usr/bin/env python3
	# Copyright (c) 2014-2016 The Bitcoin Core developers			# Copyright (c) 2014-2016 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 pruning code			# Test pruning code
	# ********			# ********
	# WARNING:			# WARNING:
	# This test uses 4GB of disk space.			# This test uses 4GB of disk space.
	# This test takes 30 mins or more (up to 2 hours)			# This test takes 30 mins or more (up to 2 hours)
	# ********			# ********

	from test_framework.test_framework import BitcoinTestFramework			from test_framework.test_framework import BitcoinTestFramework
				from test_framework.decorators import *
	from test_framework.util import *			from test_framework.util import *
	from test_framework.blocktools import mine_big_block			from test_framework.blocktools import mine_big_block

	import time			import time
	import os			import os

	MIN_BLOCKS_TO_KEEP = 288			MIN_BLOCKS_TO_KEEP = 288

	# Rescans start at the earliest block up to 2 hours before a key timestamp, so			# Rescans start at the earliest block up to 2 hours before a key timestamp, so
	# the manual prune RPC avoids pruning blocks in the same window to be			# the manual prune RPC avoids pruning blocks in the same window to be
	# compatible with pruning based on key creation time.			# compatible with pruning based on key creation time.
	TIMESTAMP_WINDOW = 2 * 60 * 60			TIMESTAMP_WINDOW = 2 * 60 * 60


	def calc_usage(blockdir):			def calc_usage(blockdir):
	return sum(os.path.getsize(blockdir + f) for f in os.listdir(blockdir) if os.path.isfile(blockdir + f)) / (1024. * 1024.)			return sum(os.path.getsize(blockdir + f) for f in os.listdir(blockdir) if os.path.isfile(blockdir + f)) / (1024. * 1024.)


				@extended
	class PruneTest(BitcoinTestFramework):			class PruneTest(BitcoinTestFramework):
	def set_test_params(self):			def set_test_params(self):
	self.setup_clean_chain = True			self.setup_clean_chain = True
	self.num_nodes = 6			self.num_nodes = 6

	# Create nodes 0 and 1 to mine.			# Create nodes 0 and 1 to mine.
	# Create node 2 to test pruning.			# Create node 2 to test pruning.
	self.full_node_default_args = ["-maxreceivebuffer=20000", "-blockmaxsize=999000",			self.full_node_default_args = ["-maxreceivebuffer=20000", "-blockmaxsize=999000",
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