def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
filter_peer = self.nodes[0].add_p2p_connection(P2PBloomFilter())
self.log.info('Test filter size limits')
self.test_size_limits(filter_peer)
self.log.info('Test BIP 37 for a node with fRelay = True (default)')
self.test_filter(filter_peer)
self.nodes[0].disconnect_p2ps()
self.log.info('Test BIP 37 for a node with fRelay = False')
# Add peer but do not send version yet
filter_peer_without_nrelay = self.nodes[0].add_p2p_connection(
P2PBloomFilter(), send_version=False, wait_for_verack=False)
# Send version with relay=False
version_without_fRelay = msg_version()
version_without_fRelay.nVersion = P2P_VERSION
version_without_fRelay.strSubVer = P2P_SUBVERSION
version_without_fRelay.nServices = P2P_SERVICES
version_without_fRelay.relay = 0
filter_peer_without_nrelay.send_message(version_without_fRelay)
filter_peer_without_nrelay.wait_for_verack()
assert not self.nodes[0].getpeerinfo()[0]['relaytxes']
self.test_frelay_false(filter_peer_without_nrelay)
self.test_filter(filter_peer_without_nrelay)
self.test_msg_mempool()
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.generate(self.wallet, 101)
self.test_uncache()
self.test_add_spent()
self.test_flush()
def run_test(self):
gen_node = self.nodes[0] # The block and tx generating node
miniwallet = MiniWallet(gen_node)
# Add enough mature utxos to the wallet, so that all txs spend confirmed coins
self.generate(miniwallet, 1)
self.generate(gen_node, COINBASE_MATURITY)
inbound_peer = self.nodes[0].add_p2p_connection(P2PNode()) # An "attacking" inbound peer
MAX_REPEATS = 100
self.log.info("Running test up to {} times.".format(MAX_REPEATS))
for i in range(MAX_REPEATS):
self.log.info('Run repeat {}'.format(i + 1))
txid = miniwallet.send_self_transfer(from_node=gen_node)['wtxid']
want_tx = msg_getdata()
want_tx.inv.append(CInv(t=MSG_TX, h=int(txid, 16)))
with p2p_lock:
inbound_peer.last_message.pop('notfound', None)
inbound_peer.send_and_ping(want_tx)
if inbound_peer.last_message.get('notfound'):
self.log.debug('tx {} was not yet announced to us.'.format(txid))
self.log.debug("node has responded with a notfound message. End test.")
assert_equal(inbound_peer.last_message['notfound'].vec[0].hash, int(txid, 16))
with p2p_lock:
inbound_peer.last_message.pop('notfound')
break
else:
self.log.debug('tx {} was already announced to us. Try test again.'.format(txid))
assert int(txid, 16) in [inv.hash for inv in inbound_peer.last_message['inv'].inv]
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = self.generate(wallet, 1) + self.generate(node, 99)
blocks = list(
map(lambda block: from_hex(CBlock(), node.getblock(block, False)),
block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = self.generateblock(node,
output=wallet.get_address(),
transactions=[txid])
blocks.append(
from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(
node.gettxoutsetinfo()['hash_serialized_2'],
"1ec3e58b0be79fca5917c7c30b9761f12adb609d0233cf2b42fa17ec419f0056")
assert_equal(
node.gettxoutsetinfo("muhash")['muhash'],
"faee25ca4765facb643b7a2d96531c568cb52ad84de5ae3d420a92967621ec17")
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = self.generate(wallet, 1) + self.generate(node, 99)
blocks = list(
map(lambda block: from_hex(CBlock(), node.getblock(block, False)),
block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = self.generateblock(node,
output=wallet.get_address(),
transactions=[txid])
blocks.append(
from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(
node.gettxoutsetinfo()['hash_serialized_2'],
"3a570529b4c32e77268de1f81b903c75cc2da53c48df0d125c1e697ba7c8c7b7")
assert_equal(
node.gettxoutsetinfo("muhash")['muhash'],
"a13e0e70eb8acc786549596e3bc154623f1a5a622ba2f70715f6773ec745f435")
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = self.generate(wallet, 1) + self.generate(node, 99)
blocks = list(
map(lambda block: from_hex(CBlock(), node.getblock(block, False)),
block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = self.generateblock(node,
output=wallet.get_address(),
transactions=[txid])
blocks.append(
from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(
node.gettxoutsetinfo()['hash_serialized_2'],
"5b1b44097406226c0eb8e1362cd17a1f346522cf9390a8175a57a5262cb1963f")
assert_equal(
node.gettxoutsetinfo("muhash")['muhash'],
"4b8803075d7151d06fad3e88b68ba726886794873fbfa841d12aefb2cc2b881b")
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = self.generate(wallet, 1) + self.generate(node, 99)
blocks = list(
map(lambda block: from_hex(CBlock(), node.getblock(block, False)),
block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = self.generateblock(node,
output=wallet.get_address(),
transactions=[txid])
blocks.append(
from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(
node.gettxoutsetinfo()['hash_serialized_2'],
"221f245cf4c9010eeb7f5183d342c002ae6c1c27e98aa357dccb788c21d98049")
assert_equal(
node.gettxoutsetinfo("muhash")['muhash'],
"7c0890c68501f7630d36aeb3999dc924e63af084ae1bbfba11dd462144637635")
def run_test(self):
self.miniwallet = MiniWallet(self.nodes[0])
# Add enough mature utxos to the wallet, so that all txs spend confirmed coins
self.miniwallet.generate(2)
self.nodes[0].generate(COINBASE_MATURITY)
self.blocksonly_mode_tests()
self.blocks_relay_conn_tests()
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = wallet.generate(1) + node.generate(99)
blocks = list(
map(lambda block: from_hex(CBlock(), node.getblock(block, False)),
block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = node.generateblock(output=wallet.get_address(),
transactions=[txid])
blocks.append(
from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(
node.gettxoutsetinfo()['hash_serialized_2'],
"03f3bedef7a3e64686e13b57ec08b1ada40528d8e01f64e077750e225ddb8c07")
assert_equal(
node.gettxoutsetinfo("muhash")['muhash'],
"69ebd7142d443a89c227637ef9a21c05287a98f0acdd40ba7e3ef79d1f4e412d")
def run_test(self):
txouts = gen_return_txouts()
node = self.nodes[0]
miniwallet = MiniWallet(node)
relayfee = node.getnetworkinfo()['relayfee']
self.log.info('Check that mempoolminfee is minrelaytxfee')
assert_equal(node.getmempoolinfo()['minrelaytxfee'],
Decimal('0.00001000'))
assert_equal(node.getmempoolinfo()['mempoolminfee'],
Decimal('0.00001000'))
tx_batch_size = 25
num_of_batches = 3
# Generate UTXOs to flood the mempool
# 1 to create a tx initially that will be evicted from the mempool later
# 3 batches of multiple transactions with a fee rate much higher than the previous UTXO
# And 1 more to verify that this tx does not get added to the mempool with a fee rate less than the mempoolminfee
self.generate(miniwallet, 1 + (num_of_batches * tx_batch_size) + 1)
# Mine 99 blocks so that the UTXOs are allowed to be spent
self.generate(node, COINBASE_MATURITY - 1)
self.log.info('Create a mempool tx that will be evicted')
tx_to_be_evicted_id = miniwallet.send_self_transfer(
from_node=node, fee_rate=relayfee)["txid"]
# Increase the tx fee rate to give the subsequent transactions a higher priority in the mempool
# The tx has an approx. vsize of 65k, i.e. multiplying the previous fee rate (in sats/kvB)
# by 130 should result in a fee that corresponds to 2x of that fee rate
base_fee = relayfee * 130
self.log.info("Fill up the mempool with txs with higher fee rate")
for batch_of_txid in range(num_of_batches):
fee = (batch_of_txid + 1) * base_fee
self.send_large_txs(node, miniwallet, txouts, fee, tx_batch_size)
self.log.info('The tx should be evicted by now')
# The number of transactions created should be greater than the ones present in the mempool
assert_greater_than(tx_batch_size * num_of_batches,
len(node.getrawmempool()))
# Initial tx created should not be present in the mempool anymore as it had a lower fee rate
assert tx_to_be_evicted_id not in node.getrawmempool()
self.log.info('Check that mempoolminfee is larger than minrelaytxfee')
assert_equal(node.getmempoolinfo()['minrelaytxfee'],
Decimal('0.00001000'))
assert_greater_than(node.getmempoolinfo()['mempoolminfee'],
Decimal('0.00001000'))
# Deliberately try to create a tx with a fee less than the minimum mempool fee to assert that it does not get added to the mempool
self.log.info('Create a mempool tx that will not pass mempoolminfee')
assert_raises_rpc_error(-26,
"mempool min fee not met",
miniwallet.send_self_transfer,
from_node=node,
fee_rate=relayfee,
mempool_valid=False)
def test_replacement_relay_fee(self):
wallet = MiniWallet(self.nodes[0])
wallet.scan_blocks(start=77, num=1)
tx = wallet.send_self_transfer(from_node=self.nodes[0])['tx']
# Higher fee, higher feerate, different txid, but the replacement does not provide a relay
# fee conforming to node's `incrementalrelayfee` policy of 1000 sat per KB.
tx.vout[0].nValue -= 1
assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx.serialize().hex())
def test_no_inherited_signaling(self):
wallet = MiniWallet(self.nodes[0])
wallet.scan_blocks(start=76, num=1)
confirmed_utxo = wallet.get_utxo()
# Create an explicitly opt-in parent transaction
optin_parent_tx = wallet.send_self_transfer(
from_node=self.nodes[0],
utxo_to_spend=confirmed_utxo,
sequence=BIP125_SEQUENCE_NUMBER,
fee_rate=Decimal('0.01'),
)
assert_equal(True, self.nodes[0].getmempoolentry(optin_parent_tx['txid'])['bip125-replaceable'])
replacement_parent_tx = wallet.create_self_transfer(
from_node=self.nodes[0],
utxo_to_spend=confirmed_utxo,
sequence=BIP125_SEQUENCE_NUMBER,
fee_rate=Decimal('0.02'),
)
# Test if parent tx can be replaced.
res = self.nodes[0].testmempoolaccept(rawtxs=[replacement_parent_tx['hex']])[0]
# Parent can be replaced.
assert_equal(res['allowed'], True)
# Create an opt-out child tx spending the opt-in parent
parent_utxo = wallet.get_utxo(txid=optin_parent_tx['txid'])
optout_child_tx = wallet.send_self_transfer(
from_node=self.nodes[0],
utxo_to_spend=parent_utxo,
sequence=0xffffffff,
fee_rate=Decimal('0.01'),
)
# Reports true due to inheritance
assert_equal(True, self.nodes[0].getmempoolentry(optout_child_tx['txid'])['bip125-replaceable'])
replacement_child_tx = wallet.create_self_transfer(
from_node=self.nodes[0],
utxo_to_spend=parent_utxo,
sequence=0xffffffff,
fee_rate=Decimal('0.02'),
mempool_valid=False,
)
# Broadcast replacement child tx
# BIP 125 :
# 1. The original transactions signal replaceability explicitly or through inheritance as described in the above
# Summary section.
# The original transaction (`optout_child_tx`) doesn't signal RBF but its parent (`optin_parent_tx`) does.
# The replacement transaction (`replacement_child_tx`) should be able to replace the original transaction.
# See CVE-2021-31876 for further explanations.
assert_equal(True, self.nodes[0].getmempoolentry(optin_parent_tx['txid'])['bip125-replaceable'])
assert_raises_rpc_error(-26, 'txn-mempool-conflict', self.nodes[0].sendrawtransaction, replacement_child_tx["hex"], 0)
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
# the pre-mined test framework chain contains coinbase outputs to the
# MiniWallet's default address in blocks 76-100 (see method
# BitcoinTestFramework._initialize_chain())
self.wallet.rescan_utxos()
self.log.info("Running test simple doublespend...")
self.test_simple_doublespend()
self.log.info("Running test doublespend chain...")
self.test_doublespend_chain()
self.log.info("Running test doublespend tree...")
self.test_doublespend_tree()
self.log.info("Running test replacement feeperkb...")
self.test_replacement_feeperkb()
self.log.info("Running test spends of conflicting outputs...")
self.test_spends_of_conflicting_outputs()
self.log.info("Running test new unconfirmed inputs...")
self.test_new_unconfirmed_inputs()
self.log.info("Running test too many replacements...")
self.test_too_many_replacements()
self.log.info(
"Running test too many replacements using default mempool params..."
)
self.test_too_many_replacements_with_default_mempool_params()
self.log.info("Running test opt-in...")
self.test_opt_in()
self.log.info("Running test RPC...")
self.test_rpc()
self.log.info("Running test prioritised transactions...")
self.test_prioritised_transactions()
self.log.info("Running test no inherited signaling...")
self.test_no_inherited_signaling()
self.log.info("Running test replacement relay fee...")
self.test_replacement_relay_fee()
self.log.info("Running test full replace by fee...")
self.test_fullrbf()
self.log.info("Passed")
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
# MAX_ANCESTORS transactions off a confirmed tx should be fine
chain = []
utxo = self.wallet.get_utxo()
for _ in range(4):
utxo, utxo2 = self.chain_tx([utxo], num_outputs=2)
chain.append(utxo2)
for _ in range(MAX_ANCESTORS - 4):
utxo, = self.chain_tx([utxo])
chain.append(utxo)
second_chain, = self.chain_tx([self.wallet.get_utxo()])
# Check mempool has MAX_ANCESTORS + 1 transactions in it
assert_equal(len(self.nodes[0].getrawmempool()), MAX_ANCESTORS + 1)
# Adding one more transaction on to the chain should fail.
assert_raises_rpc_error(
-26,
"too-long-mempool-chain, too many unconfirmed ancestors [limit: 25]",
self.chain_tx, [utxo])
# ...even if it chains on from some point in the middle of the chain.
assert_raises_rpc_error(
-26, "too-long-mempool-chain, too many descendants", self.chain_tx,
[chain[2]])
assert_raises_rpc_error(
-26, "too-long-mempool-chain, too many descendants", self.chain_tx,
[chain[1]])
# ...even if it chains on to two parent transactions with one in the chain.
assert_raises_rpc_error(
-26, "too-long-mempool-chain, too many descendants", self.chain_tx,
[chain[0], second_chain])
# ...especially if its > 40k weight
assert_raises_rpc_error(-26,
"too-long-mempool-chain, too many descendants",
self.chain_tx, [chain[0]],
num_outputs=350)
# But not if it chains directly off the first transaction
replacable_tx = self.wallet.send_self_transfer_multi(
from_node=self.nodes[0], utxos_to_spend=[chain[0]])['tx']
# and the second chain should work just fine
self.chain_tx([second_chain])
# Make sure we can RBF the chain which used our carve-out rule
replacable_tx.vout[0].nValue -= 1000000
self.nodes[0].sendrawtransaction(replacable_tx.serialize().hex())
# Finally, check that we added two transactions
assert_equal(len(self.nodes[0].getrawmempool()), MAX_ANCESTORS + 3)
def run_test(self):
wallet = MiniWallet(self.nodes[0])
wallet.generate(200)
chain_height = self.nodes[0].getblockcount()
assert_equal(chain_height, 200)
# Coinbase at height chain_height-100+1 ok in mempool, should
# get mined. Coinbase at height chain_height-100+2 is
# too immature to spend.
b = [self.nodes[0].getblockhash(n) for n in range(101, 103)]
coinbase_txids = [self.nodes[0].getblock(h)['tx'][0] for h in b]
utxo_101 = wallet.get_utxo(txid=coinbase_txids[0])
utxo_102 = wallet.get_utxo(txid=coinbase_txids[1])
spend_101_id = wallet.send_self_transfer(
from_node=self.nodes[0], utxo_to_spend=utxo_101)["txid"]
# coinbase at height 102 should be too immature to spend
assert_raises_rpc_error(
-26, "bad-txns-premature-spend-of-coinbase",
lambda: wallet.send_self_transfer(from_node=self.nodes[0],
utxo_to_spend=utxo_102))
# mempool should have just spend_101:
assert_equal(self.nodes[0].getrawmempool(), [spend_101_id])
# mine a block, spend_101 should get confirmed
self.nodes[0].generate(1)
assert_equal(set(self.nodes[0].getrawmempool()), set())
# ... and now height 102 can be spent:
spend_102_id = wallet.send_self_transfer(
from_node=self.nodes[0], utxo_to_spend=utxo_102)["txid"]
assert_equal(self.nodes[0].getrawmempool(), [spend_102_id])
def test_muhash_implementation(self):
self.log.info("Test MuHash implementation consistency")
node = self.nodes[0]
wallet = MiniWallet(node)
mocktime = node.getblockheader(node.getblockhash(0))['time'] + 1
node.setmocktime(mocktime)
# Generate 100 blocks and remove the first since we plan to spend its
# coinbase
block_hashes = self.generate(wallet, 1) + self.generate(node, 99)
blocks = list(map(lambda block: from_hex(CBlock(), node.getblock(block, False)), block_hashes))
blocks.pop(0)
# Create a spending transaction and mine a block which includes it
txid = wallet.send_self_transfer(from_node=node)['txid']
tx_block = self.generateblock(node, output=wallet.get_address(), transactions=[txid])
blocks.append(from_hex(CBlock(), node.getblock(tx_block['hash'], False)))
# Serialize the outputs that should be in the UTXO set and add them to
# a MuHash object
muhash = MuHash3072()
for height, block in enumerate(blocks):
# The Genesis block coinbase is not part of the UTXO set and we
# spent the first mined block
height += 2
for tx in block.vtx:
for n, tx_out in enumerate(tx.vout):
coinbase = 1 if not tx.vin[0].prevout.hash else 0
# Skip witness commitment
if (coinbase and n > 0):
continue
data = COutPoint(int(tx.rehash(), 16), n).serialize()
data += struct.pack("<i", height * 2 + coinbase)
data += tx_out.serialize()
muhash.insert(data)
finalized = muhash.digest()
node_muhash = node.gettxoutsetinfo("muhash")['muhash']
assert_equal(finalized[::-1].hex(), node_muhash)
self.log.info("Test deterministic UTXO set hash results")
assert_equal(node.gettxoutsetinfo()['hash_serialized_2'], "f9aa4fb5ffd10489b9a6994e70ccf1de8a8bfa2d5f201d9857332e9954b0855d")
assert_equal(node.gettxoutsetinfo("muhash")['muhash'], "d1725b2fe3ef43e55aa4907480aea98d406fc9e0bf8f60169e2305f1fbf5961b")
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.ctx = zmq.Context()
try:
self.test_basic()
self.test_sequence()
self.test_mempool_sync()
self.test_reorg()
self.test_multiple_interfaces()
self.test_ipv6()
finally:
# Destroy the ZMQ context.
self.log.debug("Destroying ZMQ context")
self.ctx.destroy(linger=None)
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.log.info("Prepare some coins for multiple *rawtransaction commands")
self.generate(self.wallet, 10)
self.generate(self.nodes[0], COINBASE_MATURITY + 1)
self.getrawtransaction_tests()
self.createrawtransaction_tests()
self.sendrawtransaction_tests()
self.sendrawtransaction_testmempoolaccept_tests()
self.decoderawtransaction_tests()
self.transaction_version_number_tests()
if self.requires_wallet and not self.options.descriptors:
self.raw_multisig_transaction_legacy_tests()
class MempoolFeeFieldsDeprecationTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.extra_args = [[], ["-deprecatedrpc=fees"]]
def run_test(self):
# we get spendable outputs from the premined chain starting
# at block 76. see BitcoinTestFramework._initialize_chain() for details
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
# we create the tx on the first node and wait until it syncs to node_deprecated
# thus, any differences must be coming from getmempoolentry or getrawmempool
tx = self.wallet.send_self_transfer(from_node=self.nodes[0])
self.nodes[1].sendrawtransaction(tx["hex"])
deprecated_fields = [
"ancestorfees", "descendantfees", "modifiedfee", "fee"
]
self.test_getmempoolentry(tx["txid"], deprecated_fields)
self.test_getrawmempool(tx["txid"], deprecated_fields)
self.test_deprecated_fields_match(tx["txid"])
def test_getmempoolentry(self, txid, deprecated_fields):
self.log.info("Test getmempoolentry rpc")
entry = self.nodes[0].getmempoolentry(txid)
deprecated_entry = self.nodes[1].getmempoolentry(txid)
assertions_helper(entry, deprecated_entry, deprecated_fields)
def test_getrawmempool(self, txid, deprecated_fields):
self.log.info("Test getrawmempool rpc")
entry = self.nodes[0].getrawmempool(verbose=True)[txid]
deprecated_entry = self.nodes[1].getrawmempool(verbose=True)[txid]
assertions_helper(entry, deprecated_entry, deprecated_fields)
def test_deprecated_fields_match(self, txid):
self.log.info("Test deprecated fee fields match new fees object")
entry = self.nodes[0].getmempoolentry(txid)
deprecated_entry = self.nodes[1].getmempoolentry(txid)
assert_equal(deprecated_entry["fee"], entry["fees"]["base"])
assert_equal(deprecated_entry["modifiedfee"],
entry["fees"]["modified"])
assert_equal(deprecated_entry["descendantfees"],
entry["fees"]["descendant"] * COIN)
assert_equal(deprecated_entry["ancestorfees"],
entry["fees"]["ancestor"] * COIN)
def run_test(self):
wallet = MiniWallet(self.nodes[0])
# Invalidate two blocks, so that miniwallet has access to a coin that will mature in the next block
chain_height = 198
self.nodes[0].invalidateblock(self.nodes[0].getblockhash(chain_height + 1))
assert_equal(chain_height, self.nodes[0].getblockcount())
wallet.rescan_utxos()
# Coinbase at height chain_height-100+1 ok in mempool, should
# get mined. Coinbase at height chain_height-100+2 is
# too immature to spend.
coinbase_txid = lambda h: self.nodes[0].getblock(self.nodes[0].getblockhash(h))['tx'][0]
utxo_mature = wallet.get_utxo(txid=coinbase_txid(chain_height - 100 + 1))
utxo_immature = wallet.get_utxo(txid=coinbase_txid(chain_height - 100 + 2))
spend_mature_id = wallet.send_self_transfer(from_node=self.nodes[0], utxo_to_spend=utxo_mature)["txid"]
# other coinbase should be too immature to spend
immature_tx = wallet.create_self_transfer(from_node=self.nodes[0], utxo_to_spend=utxo_immature, mempool_valid=False)
assert_raises_rpc_error(-26,
"bad-txns-premature-spend-of-coinbase",
lambda: self.nodes[0].sendrawtransaction(immature_tx['hex']))
# mempool should have just the mature one
assert_equal(self.nodes[0].getrawmempool(), [spend_mature_id])
# mine a block, mature one should get confirmed
self.generate(self.nodes[0], 1, sync_fun=self.no_op)
assert_equal(set(self.nodes[0].getrawmempool()), set())
# ... and now previously immature can be spent:
spend_new_id = self.nodes[0].sendrawtransaction(immature_tx['hex'])
assert_equal(self.nodes[0].getrawmempool(), [spend_new_id])
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.mine_chain()
self.restart_node(0, extra_args=['-stopatheight=207', '-prune=1']) # Set extra args with pruning after rescan is complete
self._test_getblockchaininfo()
self._test_getchaintxstats()
self._test_gettxoutsetinfo()
self._test_getblockheader()
self._test_getdifficulty()
self._test_getnetworkhashps()
self._test_stopatheight()
self._test_waitforblockheight()
self._test_getblock()
assert self.nodes[0].verifychain(4, 0)
def run_test(self):
node = self.nodes[0]
wallet = MiniWallet(node)
# Add enough mature utxos to the wallet so that all txs spend confirmed coins
self.generate(wallet, 3)
self.generate(node, COINBASE_MATURITY)
# Spend block 1/2/3's coinbase transactions
# Mine a block
# Create three more transactions, spending the spends
# Mine another block
# ... make sure all the transactions are confirmed
# Invalidate both blocks
# ... make sure all the transactions are put back in the mempool
# Mine a new block
# ... make sure all the transactions are confirmed again
blocks = []
spends1_ids = [
wallet.send_self_transfer(from_node=node)['txid'] for _ in range(3)
]
blocks.extend(self.generate(node, 1))
spends2_ids = [
wallet.send_self_transfer(from_node=node)['txid'] for _ in range(3)
]
blocks.extend(self.generate(node, 1))
spends_ids = set(spends1_ids + spends2_ids)
# mempool should be empty, all txns confirmed
assert_equal(set(node.getrawmempool()), set())
confirmed_txns = set(
node.getblock(blocks[0])['tx'] + node.getblock(blocks[1])['tx'])
# Checks that all spend txns are contained in the mined blocks
assert spends_ids < confirmed_txns
# Use invalidateblock to re-org back
node.invalidateblock(blocks[0])
# All txns should be back in mempool with 0 confirmations
assert_equal(set(node.getrawmempool()), spends_ids)
# Generate another block, they should all get mined
blocks = self.generate(node, 1)
# mempool should be empty, all txns confirmed
assert_equal(set(node.getrawmempool()), set())
confirmed_txns = set(node.getblock(blocks[0])['tx'])
assert spends_ids < confirmed_txns
def run_test(self):
self.log.info("Test that mempool.dat is compatible between versions")
old_node, new_node = self.nodes
new_wallet = MiniWallet(new_node)
new_wallet.generate(1)
new_node.generate(100)
# Sync the nodes to ensure old_node has the block that contains the coinbase that new_wallet will spend.
# Otherwise, because coinbases are only valid in a block and not as loose txns, if the nodes aren't synced
# unbroadcasted_tx won't pass old_node's `MemPoolAccept::PreChecks`.
self.connect_nodes(0, 1)
self.sync_blocks()
recipient = old_node.getnewaddress()
self.stop_node(1)
self.log.info("Add a transaction to mempool on old node and shutdown")
old_tx_hash = old_node.sendtoaddress(recipient, 0.0001)
assert old_tx_hash in old_node.getrawmempool()
self.stop_node(0)
self.log.info("Move mempool.dat from old to new node")
old_node_mempool = os.path.join(old_node.datadir, self.chain,
'mempool.dat')
new_node_mempool = os.path.join(new_node.datadir, self.chain,
'mempool.dat')
os.rename(old_node_mempool, new_node_mempool)
self.log.info("Start new node and verify mempool contains the tx")
self.start_node(1)
assert old_tx_hash in new_node.getrawmempool()
self.log.info(
"Add unbroadcasted tx to mempool on new node and shutdown")
unbroadcasted_tx_hash = new_wallet.send_self_transfer(
from_node=new_node)['txid']
assert unbroadcasted_tx_hash in new_node.getrawmempool()
mempool = new_node.getrawmempool(True)
assert mempool[unbroadcasted_tx_hash]['unbroadcast']
self.stop_node(1)
self.log.info("Move mempool.dat from new to old node")
os.rename(new_node_mempool, old_node_mempool)
self.log.info(
"Start old node again and verify mempool contains both txs")
self.start_node(0, ['-nowallet'])
assert old_tx_hash in old_node.getrawmempool()
assert unbroadcasted_tx_hash in old_node.getrawmempool()
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
# Add enough mature utxos to the wallet so that all txs spend confirmed coins.
self.generate(self.wallet, 35)
self.generate(self.nodes[0], COINBASE_MATURITY)
self.test_chain_limits()
self.test_desc_count_limits()
self.test_desc_count_limits_2()
self.test_anc_count_limits()
self.test_anc_count_limits_2()
self.test_anc_count_limits_bushy()
# The node will accept our (nonstandard) extra large OP_RETURN outputs
self.restart_node(0, extra_args=["-acceptnonstdtxn=1"])
self.test_anc_size_limits()
self.test_desc_size_limits()
def run_test(self):
# we get spendable outputs from the premined chain starting
# at block 76. see BitcoinTestFramework._initialize_chain() for details
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
# we create the tx on the first node and wait until it syncs to node_deprecated
# thus, any differences must be coming from getmempoolentry or getrawmempool
tx = self.wallet.send_self_transfer(from_node=self.nodes[0])
self.nodes[1].sendrawtransaction(tx["hex"])
deprecated_fields = [
"ancestorfees", "descendantfees", "modifiedfee", "fee"
]
self.test_getmempoolentry(tx["txid"], deprecated_fields)
self.test_getrawmempool(tx["txid"], deprecated_fields)
self.test_deprecated_fields_match(tx["txid"])
def run_test(self):
self.log.info("This test is time consuming, please be patient")
self.log.info("Splitting inputs so we can generate tx's")
# Split two coinbases into many small utxos
self.start_node(0)
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
self.initial_split(self.nodes[0])
self.log.info("Finished splitting")
# Now we can connect the other nodes, didn't want to connect them earlier
# so the estimates would not be affected by the splitting transactions
self.start_node(1)
self.start_node(2)
self.connect_nodes(1, 0)
self.connect_nodes(0, 2)
self.connect_nodes(2, 1)
self.sync_all()
self.log.info("Testing estimates with single transactions.")
self.sanity_check_estimates_range()
# check that the effective feerate is greater than or equal to the mempoolminfee even for high mempoolminfee
self.log.info(
"Test fee rate estimation after restarting node with high MempoolMinFee"
)
self.test_feerate_mempoolminfee()
self.log.info("Restarting node with fresh estimation")
self.stop_node(0)
fee_dat = os.path.join(self.nodes[0].datadir, self.chain,
"fee_estimates.dat")
os.remove(fee_dat)
self.start_node(0)
self.connect_nodes(0, 1)
self.connect_nodes(0, 2)
self.log.info("Testing estimates with RBF.")
self.sanity_check_rbf_estimates(self.confutxo + self.memutxo)
self.log.info("Testing that fee estimation is disabled in blocksonly.")
self.restart_node(0, ["-blocksonly"])
assert_raises_rpc_error(-32603, "Fee estimation disabled",
self.nodes[0].estimatesmartfee, 2)
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
# the pre-mined test framework chain contains coinbase outputs to the
# MiniWallet's default address ADDRESS_BCRT1_P2WSH_OP_TRUE in blocks
# 76-100 (see method BitcoinTestFramework._initialize_chain())
self.wallet.scan_blocks(start=76, num=2)
self.log.info("Running test simple doublespend...")
self.test_simple_doublespend()
self.log.info("Running test doublespend chain...")
self.test_doublespend_chain()
self.log.info("Running test doublespend tree...")
self.test_doublespend_tree()
self.log.info("Running test replacement feeperkb...")
self.test_replacement_feeperkb()
self.log.info("Running test spends of conflicting outputs...")
self.test_spends_of_conflicting_outputs()
self.log.info("Running test new unconfirmed inputs...")
self.test_new_unconfirmed_inputs()
self.log.info("Running test too many replacements...")
self.test_too_many_replacements()
self.log.info("Running test opt-in...")
self.test_opt_in()
self.log.info("Running test RPC...")
self.test_rpc()
self.log.info("Running test prioritised transactions...")
self.test_prioritised_transactions()
self.log.info("Running test no inherited signaling...")
self.test_no_inherited_signaling()
self.log.info("Running test replacement relay fee...")
self.test_replacement_relay_fee()
self.log.info("Passed")
def run_test(self):
self.log.info(
"Warning: this test will take about 70 seconds in the best case. Be patient."
)
self.log.info(
"Test that longpollid doesn't change between successive getblocktemplate() invocations if nothing else happens"
)
self.nodes[0].generate(10)
template = self.nodes[0].getblocktemplate({'rules': ['segwit']})
longpollid = template['longpollid']
template2 = self.nodes[0].getblocktemplate({'rules': ['segwit']})
assert template2['longpollid'] == longpollid
self.log.info("Test that longpoll waits if we do nothing")
thr = LongpollThread(self.nodes[0])
thr.start()
# check that thread still lives
thr.join(5) # wait 5 seconds or until thread exits
assert thr.is_alive()
miniwallets = [MiniWallet(node) for node in self.nodes]
self.log.info(
"Test that longpoll will terminate if another node generates a block"
)
miniwallets[1].generate(1) # generate a block on another node
# check that thread will exit now that new transaction entered mempool
thr.join(5) # wait 5 seconds or until thread exits
assert not thr.is_alive()
self.log.info(
"Test that longpoll will terminate if we generate a block ourselves"
)
thr = LongpollThread(self.nodes[0])
thr.start()
miniwallets[0].generate(1) # generate a block on own node
thr.join(5) # wait 5 seconds or until thread exits
assert not thr.is_alive()
# Add enough mature utxos to the wallets, so that all txs spend confirmed coins
self.nodes[0].generate(100)
self.sync_blocks()
self.log.info(
"Test that introducing a new transaction into the mempool will terminate the longpoll"
)
thr = LongpollThread(self.nodes[0])
thr.start()
# generate a random transaction and submit it
min_relay_fee = self.nodes[0].getnetworkinfo()["relayfee"]
fee_rate = min_relay_fee + Decimal('0.00000010') * random.randint(
0, 20)
miniwallets[0].send_self_transfer(from_node=random.choice(self.nodes),
fee_rate=fee_rate)
# after one minute, every 10 seconds the mempool is probed, so in 80 seconds it should have returned
thr.join(60 + 20)
assert not thr.is_alive()
def run_test(self):
self.wallet = MiniWallet(self.nodes[0])
self.wallet.rescan_utxos()
# By default, only 80 bytes are used for data (+1 for OP_RETURN, +2 for the pushdata opcodes).
default_size_data = random_bytes(MAX_OP_RETURN_RELAY - 3)
too_long_data = random_bytes(MAX_OP_RETURN_RELAY - 2)
small_data = random_bytes(MAX_OP_RETURN_RELAY - 4)
self.log.info(
"Testing null data transaction with default -datacarrier and -datacarriersize values."
)
self.test_null_data_transaction(node=self.nodes[0],
data=default_size_data,
success=True)
self.log.info(
"Testing a null data transaction larger than allowed by the default -datacarriersize value."
)
self.test_null_data_transaction(node=self.nodes[0],
data=too_long_data,
success=False)
self.log.info(
"Testing a null data transaction with -datacarrier=false.")
self.test_null_data_transaction(node=self.nodes[1],
data=default_size_data,
success=False)
self.log.info(
"Testing a null data transaction with a size larger than accepted by -datacarriersize."
)
self.test_null_data_transaction(node=self.nodes[2],
data=default_size_data,
success=False)
self.log.info(
"Testing a null data transaction with a size smaller than accepted by -datacarriersize."
)
self.test_null_data_transaction(node=self.nodes[2],
data=small_data,
success=True)
def run_test(self):
# We need miniwallet to make a transaction
self.wallet = MiniWallet(self.nodes[0])
self.wallet.generate(1)
# Get out of IBD for the minfeefilter and getpeerinfo tests.
self.nodes[0].generate(101)
# By default, the test framework sets up an addnode connection from
# node 1 --> node0. By connecting node0 --> node 1, we're left with
# the two nodes being connected both ways.
# Topology will look like: node0 <--> node1
self.connect_nodes(0, 1)
self.sync_all()
self.test_connection_count()
self.test_getpeerinfo()
self.test_getnettotals()
self.test_getnetworkinfo()
self.test_getaddednodeinfo()
self.test_service_flags()
self.test_getnodeaddresses()
