Differential D1700 Diff 4708 test/functional/abc-magnetic-anomaly-activation.py

Changeset View

Standalone View

Show First 20 Lines • Show All 99 Lines • ▼ Show 20 Lines	def next_block(self, number, spend=None, tx_size=0, pushonly=True, cleanstack=True):
tx.vout.append(CTxOut(0, CScript([OP_RETURN])))		tx.vout.append(CTxOut(0, CScript([OP_RETURN])))

# Estimate the size of the padding.		# Estimate the size of the padding.
push_size = tx_size - len(tx.serialize()) - 1		push_size = tx_size - len(tx.serialize()) - 1

# Because several field are of variable size, we grow the push slowly		# Because several field are of variable size, we grow the push slowly
# up to the requested size.		# up to the requested size.
while len(tx.serialize()) < tx_size:		while len(tx.serialize()) < tx_size:
tx.vout[2] = CTxOut(0, CScript(		# Ensure the padding has a left most bit on, so it's
[random.getrandbits(8 * push_size - 1), OP_RETURN]))		# exactly the correct number of bits.
		padding = random.randrange(
		1 << 8 * push_size - 2, 1 << 8 * push_size - 1)
		tx.vout[2] = CTxOut(0, CScript([padding, OP_RETURN]))
push_size += 1		push_size += 1

assert_equal(len(tx.serialize()), tx_size)		assert_equal(len(tx.serialize()), tx_size)

# Make it the same format as transaction added for padding and save the size.		# Make it the same format as transaction added for padding and save the size.
# It's missing the padding output, so we add a constant to account for it.		# It's missing the padding output, so we add a constant to account for it.
tx.rehash()		tx.rehash()

▲ Show 20 Lines • Show All 148 Lines • Show Last 20 Lines