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Differential D13876 Diff 40250 test/functional/abc-transaction-ordering.py

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test/functional/abc-transaction-ordering.py

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from test_framework.messages import COutPoint, CTransaction, CTxIn, CTxOut from test_framework.messages import COutPoint, CTransaction, CTxIn, CTxOut
from test_framework.p2p import P2PDataStore from test_framework.p2p import P2PDataStore
from test_framework.script import OP_RETURN, OP_TRUE, CScript from test_framework.script import OP_RETURN, OP_TRUE, CScript
from test_framework.test_framework import BitcoinTestFramework from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal from test_framework.util import assert_equal
class PreviousSpendableOutput: class PreviousSpendableOutput:
def __init__(self, tx=CTransaction(), n=-1): def __init__(self, tx=CTransaction(), n=-1):
self.tx = tx self.tx = tx
self.n = n # the output we're spending self.n = n # the output we're spending
class TransactionOrderingTest(BitcoinTestFramework): class TransactionOrderingTest(BitcoinTestFramework):
def set_test_params(self): def set_test_params(self):
self.num_nodes = 1 self.num_nodes = 1
self.setup_clean_chain = True self.setup_clean_chain = True
self.block_heights = {} self.block_heights = {}
self.tip = None self.tip = None
self.blocks = {} self.blocks = {}
self.extra_args = [['-whitelist=noban@127.0.0.1']] self.extra_args = [["-whitelist=noban@127.0.0.1"]]
def add_transactions_to_block(self, block, tx_list): 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)
def next_block(self, number, spend=None, tx_count=0): def next_block(self, number, spend=None, tx_count=0):
if self.tip is None: if self.tip is None:
base_block_hash = self.genesis_hash base_block_hash = self.genesis_hash
▲ Show 20 Lines • Show All 124 Lines • ▼ Show 20 Lines def run_test(self):
# Let's build some blocks and test them. # Let's build some blocks and test them.
for i in range(17): for i in range(17):
n = i + 1 n = i + 1
peer.send_blocks_and_test([block(n)], node) peer.send_blocks_and_test([block(n)], node)
peer.send_blocks_and_test([block(5556)], node) peer.send_blocks_and_test([block(5556)], node)
# Block with regular ordering are now rejected. # Block with regular ordering are now rejected.
peer.send_blocks_and_test([block( peer.send_blocks_and_test(
5557, out[17], tx_count=16)], node, success=False, reject_reason='tx-ordering') [block(5557, out[17], tx_count=16)],
node,
success=False,
reject_reason="tx-ordering",
)
# Rewind bad block. # Rewind bad block.
self.set_tip(5556) self.set_tip(5556)
# After we activate the Nov 15, 2018 HF, transaction order is enforced. # After we activate the Nov 15, 2018 HF, transaction order is enforced.
def ordered_block(block_number, spend): def ordered_block(block_number, spend):
b = block(block_number, spend=spend, tx_count=16) b = block(block_number, spend=spend, tx_count=16)
make_conform_to_ctor(b) make_conform_to_ctor(b)
update_block(block_number) update_block(block_number)
return b return b
# Now that the fork activated, we need to order transaction per txid. # Now that the fork activated, we need to order transaction per txid.
peer.send_blocks_and_test([ordered_block(4445, out[17])], node) peer.send_blocks_and_test([ordered_block(4445, out[17])], node)
peer.send_blocks_and_test([ordered_block(4446, out[18])], node) peer.send_blocks_and_test([ordered_block(4446, out[18])], node)
# Generate a block with a duplicated transaction. # Generate a block with a duplicated transaction.
double_tx_block = ordered_block(4447, out[19]) double_tx_block = ordered_block(4447, out[19])
assert_equal(len(double_tx_block.vtx), 16) assert_equal(len(double_tx_block.vtx), 16)
double_tx_block.vtx = double_tx_block.vtx[:8] + \ double_tx_block.vtx = (
[double_tx_block.vtx[8]] + double_tx_block.vtx[8:] double_tx_block.vtx[:8] + [double_tx_block.vtx[8]] + double_tx_block.vtx[8:]
)
update_block(4447) update_block(4447)
peer.send_blocks_and_test( peer.send_blocks_and_test(
[self.tip], node, success=False, reject_reason='bad-txns-duplicate') [self.tip], node, success=False, reject_reason="bad-txns-duplicate"
)
# Rewind bad block. # Rewind bad block.
self.set_tip(4446) self.set_tip(4446)
# Check over two blocks. # Check over two blocks.
proper_block = ordered_block(4448, out[20]) proper_block = ordered_block(4448, out[20])
peer.send_blocks_and_test([self.tip], node) peer.send_blocks_and_test([self.tip], node)
replay_tx_block = ordered_block(4449, out[21]) replay_tx_block = ordered_block(4449, out[21])
assert_equal(len(replay_tx_block.vtx), 16) assert_equal(len(replay_tx_block.vtx), 16)
replay_tx_block.vtx.append(proper_block.vtx[5]) replay_tx_block.vtx.append(proper_block.vtx[5])
replay_tx_block.vtx = [replay_tx_block.vtx[0]] + \ replay_tx_block.vtx = [replay_tx_block.vtx[0]] + sorted(
sorted(replay_tx_block.vtx[1:], key=lambda tx: tx.get_id()) replay_tx_block.vtx[1:], key=lambda tx: tx.get_id()
)
update_block(4449) update_block(4449)
peer.send_blocks_and_test( peer.send_blocks_and_test(
[self.tip], node, success=False, reject_reason='bad-txns-BIP30') [self.tip], node, success=False, reject_reason="bad-txns-BIP30"
)
if __name__ == '__main__': if __name__ == "__main__":
TransactionOrderingTest().main() TransactionOrderingTest().main()