Differential D5945 Diff 19399 test/functional/test_framework/blocktools.py

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test/functional/test_framework/blocktools.py

#!/usr/bin/env python3		#!/usr/bin/env python3
# Copyright (c) 2015-2016 The Bitcoin Core developers		# Copyright (c) 2015-2019 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.
"""Utilities for manipulating blocks and transactions."""		"""Utilities for manipulating blocks and transactions."""

from .script import (		from .script import (
CScript,		CScript,
OP_CHECKSIG,		OP_CHECKSIG,
OP_DUP,		OP_DUP,
Show All 11 Lines	from .messages import (
CTxOut,		CTxOut,
FromHex,		FromHex,
ToHex,		ToHex,
ser_string,		ser_string,
)		)
from .txtools import pad_tx		from .txtools import pad_tx
from .util import assert_equal, satoshi_round		from .util import assert_equal, satoshi_round

# Create a block (with regtest difficulty)		# Genesis block time (regtest)
		TIME_GENESIS_BLOCK = 1296688602


def create_block(hashprev, coinbase, nTime=None):		def create_block(hashprev, coinbase, nTime=None):
		"""Create a block (with regtest difficulty)."""
block = CBlock()		block = CBlock()
if nTime is None:		if nTime is None:
import time		import time
block.nTime = int(time.time() + 600)		block.nTime = int(time.time() + 600)
else:		else:
block.nTime = nTime		block.nTime = nTime
block.hashPrevBlock = hashprev		block.hashPrevBlock = hashprev
block.nBits = 0x207fffff # Will break after a difficulty adjustment...		block.nBits = 0x207fffff # Will break after a difficulty adjustment...
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