def run_test(self):
node = self.nodes[0] # convenience reference to the node
self.bootstrap_p2p() # Add one p2p connection to the node
best_block = self.nodes[0].getbestblockhash()
tip = int(best_block, 16)
best_block_time = self.nodes[0].getblock(best_block)['time']
block_time = best_block_time + 1
self.log.info("Create a new block with an anyone-can-spend coinbase.")
height = 1
block = create_block(tip, create_coinbase(height), block_time)
block.solve()
# Save the coinbase for later
block1 = block
node.p2ps[0].send_blocks_and_test([block], node, success=True)
self.log.info("Mature the block.")
self.generatetoaddress(
self.nodes[0], 100,
self.nodes[0].get_deterministic_priv_key().address)
# Iterate through a list of known invalid transaction types, ensuring each is
# rejected. Some are consensus invalid and some just violate policy.
for BadTxTemplate in invalid_txs.iter_all_templates():
self.log.info("Testing invalid transaction: %s",
BadTxTemplate.__name__)
template = BadTxTemplate(spend_block=block1)
tx = template.get_tx()
node.p2ps[0].send_txs_and_test(
[tx],
node,
success=False,
expect_disconnect=template.expect_disconnect,
reject_reason=template.reject_reason,
)
if template.expect_disconnect:
self.log.info("Reconnecting to peer")
self.reconnect_p2p()
# Make two p2p connections to provide the node with orphans
# * p2ps[0] will send valid orphan txs (one with low fee)
# * p2ps[1] will send an invalid orphan tx (and is later disconnected for that)
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
# Create a root transaction that we withhold until all dependent transactions
# are sent out and in the orphan cache
SCRIPT_PUB_KEY_OP_TRUE = b'\x51\x75' * 15 + b'\x51'
tx_withhold = CTransaction()
tx_withhold.vin.append(
CTxIn(outpoint=COutPoint(block1.vtx[0].sha256, 0)))
tx_withhold.vout = [
CTxOut(nValue=25 * COIN - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)
] * 2
tx_withhold.calc_sha256()
# Our first orphan tx with some outputs to create further orphan txs
tx_orphan_1 = CTransaction()
tx_orphan_1.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold.sha256, 0)))
tx_orphan_1.vout = [
CTxOut(nValue=8 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)
] * 3
tx_orphan_1.calc_sha256()
# A valid transaction with low fee
tx_orphan_2_no_fee = CTransaction()
tx_orphan_2_no_fee.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 0)))
tx_orphan_2_no_fee.vout.append(
CTxOut(nValue=8 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
# A valid transaction with sufficient fee
tx_orphan_2_valid = CTransaction()
tx_orphan_2_valid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 1)))
tx_orphan_2_valid.vout.append(
CTxOut(nValue=8 * COIN - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_valid.calc_sha256()
# An invalid transaction with negative fee
tx_orphan_2_invalid = CTransaction()
tx_orphan_2_invalid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 2)))
tx_orphan_2_invalid.vout.append(
CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_invalid.calc_sha256()
self.log.info('Send the orphans ... ')
# Send valid orphan txs from p2ps[0]
node.p2ps[0].send_txs_and_test(
[tx_orphan_1, tx_orphan_2_no_fee, tx_orphan_2_valid],
node,
success=False)
# Send invalid tx from p2ps[1]
node.p2ps[1].send_txs_and_test([tx_orphan_2_invalid],
node,
success=False)
assert_equal(0,
node.getmempoolinfo()['size']) # Mempool should be empty
assert_equal(2, len(node.getpeerinfo())) # p2ps[1] is still connected
self.log.info('Send the withhold tx ... ')
with node.assert_debug_log(expected_msgs=["bad-txns-in-belowout"]):
node.p2ps[0].send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
t.hash
for t in [
tx_withhold, # The transaction that is the root for all orphans
tx_orphan_1, # The orphan transaction that splits the coins
tx_orphan_2_valid, # The valid transaction (with sufficient fee)
]
}
# Transactions that do not end up in the mempool:
# tx_orphan_2_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_2_invalid, because it has negative fee (p2ps[1] is disconnected for relaying that tx)
self.wait_until(lambda: 1 == len(node.getpeerinfo()),
timeout=12) # p2ps[1] is no longer connected
assert_equal(expected_mempool, set(node.getrawmempool()))
self.log.info('Test orphan pool overflow')
orphan_tx_pool = [CTransaction() for _ in range(101)]
for i in range(len(orphan_tx_pool)):
orphan_tx_pool[i].vin.append(CTxIn(outpoint=COutPoint(i, 333)))
orphan_tx_pool[i].vout.append(
CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
with node.assert_debug_log(['orphanage overflow, removed 1 tx']):
node.p2ps[0].send_txs_and_test(orphan_tx_pool, node, success=False)
self.log.info('Test orphan with rejected parents')
rejected_parent = CTransaction()
rejected_parent.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_2_invalid.sha256, 0)))
rejected_parent.vout.append(
CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
rejected_parent.rehash()
with node.assert_debug_log([
'not keeping orphan with rejected parents {}'.format(
rejected_parent.hash)
]):
node.p2ps[0].send_txs_and_test([rejected_parent],
node,
success=False)
self.log.info(
'Test that a peer disconnection causes erase its transactions from the orphan pool'
)
with node.assert_debug_log(['Erased 100 orphan tx from peer=25']):
self.reconnect_p2p(num_connections=1)
self.log.info(
'Test that a transaction in the orphan pool is included in a new tip block causes erase this transaction from the orphan pool'
)
tx_withhold_until_block_A = CTransaction()
tx_withhold_until_block_A.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold.sha256, 1)))
tx_withhold_until_block_A.vout = [
CTxOut(nValue=12 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)
] * 2
tx_withhold_until_block_A.calc_sha256()
tx_orphan_include_by_block_A = CTransaction()
tx_orphan_include_by_block_A.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold_until_block_A.sha256, 0)))
tx_orphan_include_by_block_A.vout.append(
CTxOut(nValue=12 * COIN - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_include_by_block_A.calc_sha256()
self.log.info('Send the orphan ... ')
node.p2ps[0].send_txs_and_test([tx_orphan_include_by_block_A],
node,
success=False)
tip = int(node.getbestblockhash(), 16)
height = node.getblockcount() + 1
block_A = create_block(tip, create_coinbase(height))
block_A.vtx.extend([
tx_withhold, tx_withhold_until_block_A,
tx_orphan_include_by_block_A
])
block_A.hashMerkleRoot = block_A.calc_merkle_root()
block_A.solve()
self.log.info('Send the block that includes the previous orphan ... ')
with node.assert_debug_log(
["Erased 1 orphan tx included or conflicted by block"]):
node.p2ps[0].send_blocks_and_test([block_A], node, success=True)
self.log.info(
'Test that a transaction in the orphan pool conflicts with a new tip block causes erase this transaction from the orphan pool'
)
tx_withhold_until_block_B = CTransaction()
tx_withhold_until_block_B.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold_until_block_A.sha256, 1)))
tx_withhold_until_block_B.vout.append(
CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_withhold_until_block_B.calc_sha256()
tx_orphan_include_by_block_B = CTransaction()
tx_orphan_include_by_block_B.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold_until_block_B.sha256, 0)))
tx_orphan_include_by_block_B.vout.append(
CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_include_by_block_B.calc_sha256()
tx_orphan_conflict_by_block_B = CTransaction()
tx_orphan_conflict_by_block_B.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold_until_block_B.sha256, 0)))
tx_orphan_conflict_by_block_B.vout.append(
CTxOut(nValue=9 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_conflict_by_block_B.calc_sha256()
self.log.info('Send the orphan ... ')
node.p2ps[0].send_txs_and_test([tx_orphan_conflict_by_block_B],
node,
success=False)
tip = int(node.getbestblockhash(), 16)
height = node.getblockcount() + 1
block_B = create_block(tip, create_coinbase(height))
block_B.vtx.extend(
[tx_withhold_until_block_B, tx_orphan_include_by_block_B])
block_B.hashMerkleRoot = block_B.calc_merkle_root()
block_B.solve()
self.log.info(
'Send the block that includes a transaction which conflicts with the previous orphan ... '
)
with node.assert_debug_log(
["Erased 1 orphan tx included or conflicted by block"]):
node.p2ps[0].send_blocks_and_test([block_B], node, success=True)
def run_test(self):
node = self.nodes[0] # convenience reference to the node
self.bootstrap_p2p() # Add one p2p connection to the node
best_block = self.nodes[0].getbestblockhash()
tip = int(best_block, 16)
best_block_time = self.nodes[0].getblock(best_block)['time']
block_time = best_block_time + 1
self.log.info("Create a new block with an anyone-can-spend coinbase.")
height = 1
block = create_block(tip, create_coinbase(height), block_time)
block.solve()
# Save the coinbase for later
block1 = block
tip = block.sha256
node.p2p.send_blocks_and_test([block], node, success=True)
self.log.info("Mature the block.")
self.nodes[0].generate(100)
# Iterate through a list of known invalid transaction types, ensuring each is
# rejected. Some are consensus invalid and some just violate policy.
for BadTxTemplate in invalid_txs.iter_all_templates():
self.log.info("Testing invalid transaction: %s", BadTxTemplate.__name__)
template = BadTxTemplate(spend_block=block1)
tx = template.get_tx()
node.p2p.send_txs_and_test(
[tx], node, success=False,
expect_disconnect=template.expect_disconnect,
reject_reason=template.reject_reason,
)
if template.expect_disconnect:
self.log.info("Reconnecting to peer")
self.reconnect_p2p()
# Make two p2p connections to provide the node with orphans
# * p2ps[0] will send valid orphan txs (one with low fee)
# * p2ps[1] will send an invalid orphan tx (and is later disconnected for that)
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
# Create a root transaction that we withhold until all dependent transactions
# are sent out and in the orphan cache
SCRIPT_PUB_KEY_OP_TRUE = b'\x51\x75' * 15 + b'\x51'
tx_withhold = CTransaction()
tx_withhold.vin.append(CTxIn(outpoint=COutPoint(block1.vtx[0].sha256, 0)))
tx_withhold.vout.append(CTxOut(nValue=50 * COIN - 12000, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_withhold.calc_sha256()
# Our first orphan tx with some outputs to create further orphan txs
tx_orphan_1 = CTransaction()
tx_orphan_1.vin.append(CTxIn(outpoint=COutPoint(tx_withhold.sha256, 0)))
tx_orphan_1.vout = [CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)] * 3
tx_orphan_1.calc_sha256()
# A valid transaction with low fee
tx_orphan_2_no_fee = CTransaction()
tx_orphan_2_no_fee.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 0)))
tx_orphan_2_no_fee.vout.append(CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
# A valid transaction with sufficient fee
tx_orphan_2_valid = CTransaction()
tx_orphan_2_valid.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 1)))
tx_orphan_2_valid.vout.append(CTxOut(nValue=10 * COIN - 12000, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_valid.calc_sha256()
# An invalid transaction with negative fee
tx_orphan_2_invalid = CTransaction()
tx_orphan_2_invalid.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 2)))
tx_orphan_2_invalid.vout.append(CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
self.log.info('Send the orphans ... ')
# Send valid orphan txs from p2ps[0]
node.p2p.send_txs_and_test([tx_orphan_1, tx_orphan_2_no_fee, tx_orphan_2_valid], node, success=False)
# Send invalid tx from p2ps[1]
node.p2ps[1].send_txs_and_test([tx_orphan_2_invalid], node, success=False)
assert_equal(0, node.getmempoolinfo()['size']) # Mempool should be empty
assert_equal(2, len(node.getpeerinfo())) # p2ps[1] is still connected
self.log.info('Send the withhold tx ... ')
with node.assert_debug_log(expected_msgs=["bad-txns-in-belowout"]):
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
t.hash
for t in [
tx_withhold, # The transaction that is the root for all orphans
tx_orphan_1, # The orphan transaction that splits the coins
tx_orphan_2_valid, # The valid transaction (with sufficient fee)
]
}
# Transactions that do not end up in the mempool
# tx_orphan_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_invaid, because it has negative fee (p2ps[1] is disconnected for relaying that tx)
wait_until(lambda: 1 == len(node.getpeerinfo()), timeout=12) # p2ps[1] is no longer connected
assert_equal(expected_mempool, set(node.getrawmempool()))
def run_test(self):
node = self.nodes[0] # convenience reference to the node
self.bootstrap_p2p() # Add one p2p connection to the node
best_block = self.nodes[0].getbestblockhash()
tip = int(best_block, 16)
best_block_time = self.nodes[0].getblock(best_block)['time']
block_time = best_block_time + 1
self.log.info("Create a new block with an anyone-can-spend coinbase.")
height = 1
blocks = []
for _ in invalid_txs.iter_all_templates():
block = create_block(tip, create_coinbase(height), block_time)
block.nHeight = height
prepare_block(block)
block_time = block.nTime + 1
height += 1
# Save the coinbase for later
blocks.append(block)
tip = block.sha256
node.p2p.send_blocks_and_test([block], node, success=True)
self.log.info("Mature the blocks.")
self.nodes[0].generatetoaddress(
100, self.nodes[0].get_deterministic_priv_key().address)
# Iterate through a list of known invalid transaction types, ensuring each is
# rejected. Some are consensus invalid and some just violate policy.
setup_txs = []
for block, BadTxTemplate in zip(blocks,
invalid_txs.iter_all_templates()):
self.log.info("Testing invalid transaction: %s",
BadTxTemplate.__name__)
template = BadTxTemplate(spend_block=block)
setup_tx = template.get_setup_tx()
if setup_tx is not None:
node.p2p.send_txs_and_test([setup_tx], node)
setup_txs.append(setup_tx)
tx = template.get_tx(setup_tx)
else:
tx = template.get_tx()
node.p2p.send_txs_and_test(
[tx],
node,
success=False,
expect_disconnect=template.expect_disconnect,
reject_reason=template.reject_reason,
)
if template.expect_disconnect:
self.log.info("Reconnecting to peer")
self.reconnect_p2p()
# Make two p2p connections to provide the node with orphans
# * p2ps[0] will send valid orphan txs (one with low fee)
# * p2ps[1] will send an invalid orphan tx (and is later disconnected for that)
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
# Create a root transaction that we withold until all dependend transactions
# are sent out and in the orphan cache
SCRIPT_PUB_KEY_OP_TRUE = CScript([OP_TRUE])
tx_withhold = CTransaction()
tx_withhold.vin.append(
CTxIn(outpoint=COutPoint(blocks[0].vtx[0].txid, 1)))
tx_withhold.vout.append(
CTxOut(nValue=int(SUBSIDY * COIN) - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
pad_tx(tx_withhold)
tx_withhold.calc_txid()
# Our first orphan tx with some outputs to create further orphan txs
tx_orphan_1 = CTransaction()
tx_orphan_1.vin.append(CTxIn(outpoint=COutPoint(tx_withhold.txid, 0)))
tx_orphan_1.vout = [
CTxOut(nValue=int(0.1 * COIN), scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)
] * 3
pad_tx(tx_orphan_1)
tx_orphan_1.calc_txid()
# A valid transaction with low fee
tx_orphan_2_no_fee = CTransaction()
tx_orphan_2_no_fee.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.txid, 0)))
tx_orphan_2_no_fee.vout.append(
CTxOut(nValue=int(0.1 * COIN),
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
pad_tx(tx_orphan_2_no_fee)
# A valid transaction with sufficient fee
tx_orphan_2_valid = CTransaction()
tx_orphan_2_valid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.txid, 1)))
tx_orphan_2_valid.vout.append(
CTxOut(nValue=int(0.1 * COIN) - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_valid.calc_txid()
pad_tx(tx_orphan_2_valid)
# An invalid transaction with negative fee
tx_orphan_2_invalid = CTransaction()
tx_orphan_2_invalid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.txid, 2)))
tx_orphan_2_invalid.vout.append(
CTxOut(nValue=int(1.1 * COIN),
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
pad_tx(tx_orphan_2_invalid)
tx_orphan_2_invalid.calc_txid()
self.log.info('Send the orphans ... ')
# Send valid orphan txs from p2ps[0]
node.p2p.send_txs_and_test(
[tx_orphan_1, tx_orphan_2_no_fee, tx_orphan_2_valid],
node,
success=False)
# Send invalid tx from p2ps[1]
node.p2ps[1].send_txs_and_test([tx_orphan_2_invalid],
node,
success=False)
# Mempool should only have setup txs
assert_equal(len(setup_txs), node.getmempoolinfo()['size'])
# p2ps[1] is still connected
assert_equal(2, len(node.getpeerinfo()))
self.log.info('Send the withhold tx ... ')
with node.assert_debug_log(expected_msgs=["bad-txns-in-belowout"]):
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
t.txid_hex
for t in [
tx_withhold, # The transaction that is the root for all orphans
tx_orphan_1, # The orphan transaction that splits the coins
# The valid transaction (with sufficient fee)
tx_orphan_2_valid,
] + setup_txs # The setup transactions we added in the beginning
}
# Transactions that do not end up in the mempool
# tx_orphan_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_invaid, because it has negative fee (p2ps[1] is
# disconnected for relaying that tx)
# p2ps[1] is no longer connected
wait_until(lambda: 1 == len(node.getpeerinfo()), timeout=12)
assert_equal(expected_mempool, set(node.getrawmempool()))
self.log.info('Test orphan pool overflow')
orphan_tx_pool = [CTransaction() for _ in range(101)]
for i in range(len(orphan_tx_pool)):
orphan_tx_pool[i].vin.append(CTxIn(outpoint=COutPoint(i, 333)))
orphan_tx_pool[i].vout.append(
CTxOut(nValue=int(1.1 * COIN),
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
pad_tx(orphan_tx_pool[i])
with node.assert_debug_log(['mapOrphan overflow, removed 1 tx']):
node.p2p.send_txs_and_test(orphan_tx_pool, node, success=False)
rejected_parent = CTransaction()
rejected_parent.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_2_invalid.txid, 0)))
rejected_parent.vout.append(
CTxOut(nValue=int(1.1 * COIN),
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
pad_tx(rejected_parent)
rejected_parent.rehash()
with node.assert_debug_log([
'not keeping orphan with rejected parents {}'.format(
rejected_parent.txid_hex)
]):
node.p2p.send_txs_and_test([rejected_parent], node, success=False)
