Differential D2253 Diff 6508 test/functional/test_framework/script.py

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test/functional/test_framework/script.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.
	"""Functionality to build scripts, as well as SignatureHash().			"""Functionality to build scripts, as well as SignatureHash().

	This file is modified from python-bitcoinlib.			This file is modified from python-bitcoinlib.
	"""			"""

	from .mininode import CTransaction, CTxOut, sha256, hash256, uint256_from_str, ser_uint256, ser_string			from .mininode import CTransaction, CTxOut, sha256, hash256, uint256_from_str, ser_uint256, ser_string
				from .bignum import bn2vch
	from binascii import hexlify			from binascii import hexlify
	import hashlib			import hashlib
				import struct

	import sys			import sys
	bchr = chr			bchr = chr
	bord = ord			bord = ord
	if sys.version > '3':			if sys.version > '3':
	long = int			long = int

	def bchr(x): return bytes([x])			def bchr(x): return bytes([x])

	def bord(x): return x			def bord(x): return x

	import struct

	from .bignum import bn2vch

	MAX_SCRIPT_ELEMENT_SIZE = 520			MAX_SCRIPT_ELEMENT_SIZE = 520

	OPCODE_NAMES = {}			OPCODE_NAMES = {}


	def hash160(s):			def hash160(s):
	return hashlib.new('ripemd160', sha256(s)).digest()			return hashlib.new('ripemd160', sha256(s)).digest()
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