Differential D5217 Diff 16161 test/functional/abc-p2p-compactblocks.py

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test/functional/abc-p2p-compactblocks.py

Show First 20 Lines • Show All 109 Lines • ▼ Show 20 Lines	def add_transactions_to_block(self, block, tx_list):
[tx.rehash() for tx in tx_list]		[tx.rehash() for tx in tx_list]
block.vtx.extend(tx_list)		block.vtx.extend(tx_list)

# this is a little handier to use than the version in blocktools.py		# this is a little handier to use than the version in blocktools.py
def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])):		def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])):
tx = create_tx_with_script(spend_tx, n, b"", value, script)		tx = create_tx_with_script(spend_tx, n, b"", value, script)
return tx		return tx

def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_txns=0):		def next_block(self, number, spend=None, script=CScript(
		[OP_TRUE]), block_size=0, extra_txns=0):
if self.tip is None:		if self.tip is None:
base_block_hash = self.genesis_hash		base_block_hash = self.genesis_hash
block_time = int(time.time()) + 1		block_time = int(time.time()) + 1
else:		else:
base_block_hash = self.tip.sha256		base_block_hash = self.tip.sha256
block_time = self.tip.nTime + 1		block_time = self.tip.nTime + 1
# First create the coinbase		# First create the coinbase
height = self.block_heights[base_block_hash] + 1		height = self.block_heights[base_block_hash] + 1
Show All 23 Lines	def next_block(self, number, spend=None, script=CScript(
tx.vout.append(CTxOut(0, CScript([OP_TRUE])))		tx.vout.append(CTxOut(0, CScript([OP_TRUE])))
spendable_outputs.append(PreviousSpendableOutput(tx, i))		spendable_outputs.append(PreviousSpendableOutput(tx, i))
pad_tx(tx)		pad_tx(tx)
return tx		return tx

tx = get_base_transaction()		tx = get_base_transaction()

# 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()

# If a specific script is required, add it.		# If a specific script is required, add it.
if script is not None:		if script is not None:
tx.vout.append(CTxOut(1, script))		tx.vout.append(CTxOut(1, script))

# Put some random data into the first transaction of the chain to randomize ids.		# Put some random data into the first transaction of the chain to
		# randomize ids.
tx.vout.append(		tx.vout.append(
CTxOut(0, CScript([random.randint(0, 256), OP_RETURN])))		CTxOut(0, CScript([random.randint(0, 256), OP_RETURN])))

# Add the transaction to the block		# Add the transaction to the block
self.add_transactions_to_block(block, [tx])		self.add_transactions_to_block(block, [tx])

# Add transaction until we reach the expected transaction count		# Add transaction until we reach the expected transaction count
for _ in range(extra_txns):		for _ in range(extra_txns):
▲ Show 20 Lines • Show All 153 Lines • ▼ Show 20 Lines	def run_test(self):

# Was it our block ?		# Was it our block ?
cmpctblk_header = test_p2p.last_cmpctblock.header_and_shortids.header		cmpctblk_header = test_p2p.last_cmpctblock.header_and_shortids.header
cmpctblk_header.calc_sha256()		cmpctblk_header.calc_sha256()
assert cmpctblk_header.sha256 == b2.sha256		assert cmpctblk_header.sha256 == b2.sha256

# In order to avoid having to resend a ton of transactions, we invalidate		# In order to avoid having to resend a ton of transactions, we invalidate
# b2, which will send all its transactions in the mempool. Note that this		# b2, which will send all its transactions in the mempool. Note that this
# assumes reorgs will insert low-fee transactions back into the mempool.		# assumes reorgs will insert low-fee transactions back into the
		# mempool.
node.invalidateblock(node.getbestblockhash())		node.invalidateblock(node.getbestblockhash())

# Let's send a compact block and see if the node accepts it.		# Let's send a compact block and see if the node accepts it.
# Let's modify b2 and use it so that we can reuse the mempool.		# Let's modify b2 and use it so that we can reuse the mempool.
tx = b2.vtx[0]		tx = b2.vtx[0]
tx.vout.append(CTxOut(0, CScript([random.randint(0, 256), OP_RETURN])))		tx.vout.append(CTxOut(0, CScript([random.randint(0, 256), OP_RETURN])))
tx.rehash()		tx.rehash()
b2.vtx[0] = tx		b2.vtx[0] = tx
Show All 14 Lines