def test_single_node_session_timeout(self, do_cycle_llmqs):
set_node_times(self.nodes, self.mocktime)
isolate_node(self.nodes[3])
rawtx = self.nodes[0].createrawtransaction([], {self.nodes[0].getnewaddress(): 1})
rawtx = self.nodes[0].fundrawtransaction(rawtx)['hex']
rawtx = self.nodes[0].signrawtransaction(rawtx)['hex']
txid = self.nodes[3].sendrawtransaction(rawtx)
time.sleep(2) # make sure signing is done on node 2 (it's async)
# Make the signing session for the IS lock timeout on node 3
self.bump_mocktime(61)
set_node_times(self.nodes, self.mocktime)
time.sleep(2) # make sure Cleanup() is called
reconnect_isolated_node(self.nodes[3], 0)
self.wait_for_mnauth(self.nodes[3], 2)
self.nodes[0].sendrawtransaction(rawtx)
# Make sure nodes 1 and 2 received the TX
self.wait_for_tx(txid, self.nodes[1])
self.wait_for_tx(txid, self.nodes[2])
# Make sure signing is done on nodes 1 and 2 (it's async)
time.sleep(5)
# node 3 fully reconnected but the signing session is already timed out on it, so no IS lock
self.wait_for_instantlock(txid, self.nodes[0], False, 1)
if do_cycle_llmqs:
self.cycle_llmqs()
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# Make node 0 consider the TX as safe
self.bump_mocktime(10 * 60 + 1)
self.nodes[0].setmocktime(self.mocktime)
block = self.nodes[0].generate(1)[0]
self.wait_for_chainlocked_block_all_nodes(block)
def test_block_doublespend(self):
sender = self.nodes[self.sender_idx]
receiver = self.nodes[self.receiver_idx]
isolated = self.nodes[self.isolated_idx]
# feed the sender with some balance
sender_addr = sender.getnewaddress()
self.nodes[0].sendtoaddress(sender_addr, 1)
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
self.nodes[0].generate(2)
self.sync_all()
# create doublespending transaction, but don't relay it
dblspnd_tx = self.create_raw_tx(sender, isolated, 0.5, 1, 100)
# isolate one node from network
isolate_node(isolated)
# instantsend to receiver
receiver_addr = receiver.getnewaddress()
is_id = sender.sendtoaddress(receiver_addr, 0.9)
# wait for the transaction to propagate
connected_nodes = self.nodes.copy()
del connected_nodes[self.isolated_idx]
sync_mempools(connected_nodes)
for node in connected_nodes:
self.wait_for_instantlock(is_id, node)
# send doublespend transaction to isolated node
isolated.sendrawtransaction(dblspnd_tx['hex'])
# generate block on isolated node with doublespend transaction
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
isolated.generate(1)
wrong_block = isolated.getbestblockhash()
# connect isolated block to network
reconnect_isolated_node(isolated, 0)
# check doublespend block is rejected by other nodes
timeout = 10
for i in range(0, self.num_nodes):
if i == self.isolated_idx:
continue
res = self.nodes[i].waitforblock(wrong_block, timeout)
assert (res['hash'] != wrong_block)
# wait for long time only for first node
timeout = 1
# send coins back to the controller node without waiting for confirmations
receiver.sendtoaddress(self.nodes[0].getnewaddress(), 0.9, "", "",
True)
assert_equal(receiver.getwalletinfo()["balance"], 0)
# mine more blocks
# TODO: mine these blocks on an isolated node
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
self.nodes[0].generate(2)
self.sync_all()
def test_mempool_doublespend(self):
sender = self.nodes[self.sender_idx]
receiver = self.nodes[self.receiver_idx]
isolated = self.nodes[self.isolated_idx]
# feed the sender with some balance
sender_addr = sender.getnewaddress()
self.nodes[0].sendtoaddress(sender_addr, 1)
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
self.nodes[0].generate(2)
self.sync_all()
# create doublespending transaction, but don't relay it
dblspnd_tx = self.create_raw_tx(sender, isolated, 0.5, 1, 100)
dblspnd_txid = bytes_to_hex_str(
hash256(hex_str_to_bytes(dblspnd_tx['hex']))[::-1])
# isolate one node from network
isolate_node(isolated)
# send doublespend transaction to isolated node
isolated.sendrawtransaction(dblspnd_tx['hex'])
# let isolated node rejoin the network
# The previously isolated node should NOT relay the doublespending TX
reconnect_isolated_node(isolated, 0)
for node in self.nodes:
if node is not isolated:
assert_raises_rpc_error(
-5, "No such mempool or blockchain transaction",
node.getrawtransaction, dblspnd_txid)
# instantsend to receiver. The previously isolated node should prune the doublespend TX and request the correct
# TX from other nodes.
receiver_addr = receiver.getnewaddress()
is_id = sender.sendtoaddress(receiver_addr, 0.9)
# wait for the transaction to propagate
sync_mempools(self.nodes)
for node in self.nodes:
self.wait_for_instantlock(is_id, node)
assert_raises_rpc_error(-5,
"No such mempool or blockchain transaction",
isolated.getrawtransaction, dblspnd_txid)
# send coins back to the controller node without waiting for confirmations
receiver.sendtoaddress(self.nodes[0].getnewaddress(), 0.9, "", "",
True)
assert_equal(receiver.getwalletinfo()["balance"], 0)
# mine more blocks
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
self.nodes[0].generate(2)
self.sync_all()
def run_test(self):
while self.nodes[0].getblockchaininfo()["bip9_softforks"]["dip0008"]["status"] != "active":
self.nodes[0].generate(10)
sync_blocks(self.nodes, timeout=60*5)
self.nodes[0].spork("SPORK_17_QUORUM_DKG_ENABLED", 0)
self.nodes[0].spork("SPORK_19_CHAINLOCKS_ENABLED", 0)
self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 0)
self.nodes[0].spork("SPORK_3_INSTANTSEND_BLOCK_FILTERING", 0)
self.wait_for_sporks_same()
self.mine_quorum()
self.mine_quorum()
# Make sure that all nodes are chainlocked at the same height before starting actual tests
self.wait_for_chainlocked_block_all_nodes(self.nodes[0].getbestblockhash(), timeout=30)
self.log.info("trying normal IS lock")
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# 3 nodes should be enough to create an IS lock even if nodes 4 and 5 (which have no tx itself)
# are the only "neighbours" in intra-quorum connections for one of them.
self.wait_for_instantlock(txid, self.nodes[0])
self.bump_mocktime(1)
set_node_times(self.nodes, self.mocktime)
block = self.nodes[0].generate(1)[0]
self.wait_for_chainlocked_block_all_nodes(block)
self.log.info("testing normal signing with partially known TX")
isolate_node(self.nodes[3])
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# Make sure nodes 1 and 2 received the TX before we continue,
# otherwise it might announce the TX to node 3 when reconnecting
self.wait_for_tx(txid, self.nodes[1])
self.wait_for_tx(txid, self.nodes[2])
reconnect_isolated_node(self.nodes[3], 0)
self.wait_for_mnauth(self.nodes[3], 2)
# node 3 fully reconnected but the TX wasn't relayed to it, so there should be no IS lock
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# push the tx directly via rpc
self.nodes[3].sendrawtransaction(self.nodes[0].getrawtransaction(txid))
# node 3 should vote on a tx now since it became aware of it via sendrawtransaction
# and this should be enough to complete an IS lock
self.wait_for_instantlock(txid, self.nodes[0])
self.log.info("testing retroactive signing with unknown TX")
isolate_node(self.nodes[3])
rawtx = self.nodes[0].createrawtransaction([], {self.nodes[0].getnewaddress(): 1})
rawtx = self.nodes[0].fundrawtransaction(rawtx)['hex']
rawtx = self.nodes[0].signrawtransaction(rawtx)['hex']
txid = self.nodes[3].sendrawtransaction(rawtx)
# Make node 3 consider the TX as safe
self.bump_mocktime(10 * 60 + 1)
set_node_times(self.nodes, self.mocktime)
block = self.nodes[3].generatetoaddress(1, self.nodes[0].getnewaddress())[0]
reconnect_isolated_node(self.nodes[3], 0)
self.wait_for_chainlocked_block_all_nodes(block)
self.nodes[0].setmocktime(self.mocktime)
self.log.info("testing retroactive signing with partially known TX")
isolate_node(self.nodes[3])
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# Make sure nodes 1 and 2 received the TX before we continue,
# otherwise it might announce the TX to node 3 when reconnecting
self.wait_for_tx(txid, self.nodes[1])
self.wait_for_tx(txid, self.nodes[2])
reconnect_isolated_node(self.nodes[3], 0)
self.wait_for_mnauth(self.nodes[3], 2)
# node 3 fully reconnected but the TX wasn't relayed to it, so there should be no IS lock
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# Make node0 consider the TX as safe
self.bump_mocktime(10 * 60 + 1)
set_node_times(self.nodes, self.mocktime)
block = self.nodes[0].generate(1)[0]
self.wait_for_chainlocked_block_all_nodes(block)
self.log.info("testing retroactive signing with partially known TX and all nodes session timeout")
self.test_all_nodes_session_timeout(False)
self.log.info("repeating test, but with cycled LLMQs")
self.test_all_nodes_session_timeout(True)
self.log.info("testing retroactive signing with partially known TX and single node session timeout")
self.test_single_node_session_timeout(False)
self.log.info("repeating test, but with cycled LLMQs")
self.test_single_node_session_timeout(True)
def run_test(self):
self.activate_dip8()
self.nodes[0].spork("SPORK_17_QUORUM_DKG_ENABLED", 0)
# Turn mempool IS signing off
self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 1)
self.wait_for_sporks_same()
self.mine_quorum()
self.mine_quorum()
# Make sure that all nodes are chainlocked at the same height before starting actual tests
self.wait_for_chainlocked_block_all_nodes(
self.nodes[0].getbestblockhash(), timeout=30)
self.log.info(
"trying normal IS lock w/ signing spork off. Shouldn't be islocked before block is created."
)
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# 3 nodes should be enough to create an IS lock even if nodes 4 and 5 (which have no tx itself)
# are the only "neighbours" in intra-quorum connections for one of them.
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# Have to disable ChainLocks to avoid signing a block with a "safe" tx too early
self.nodes[0].spork("SPORK_19_CHAINLOCKS_ENABLED", 4000000000)
self.wait_for_sporks_same()
# We have to wait in order to include tx in block
self.bump_mocktime(10 * 60 + 1)
block = self.nodes[0].generate(1)[0]
self.wait_for_instantlock(txid, self.nodes[0])
self.nodes[0].spork("SPORK_19_CHAINLOCKS_ENABLED", 0)
self.wait_for_sporks_same()
self.wait_for_chainlocked_block_all_nodes(block)
self.log.info("Enable mempool IS signing")
self.nodes[0].spork("SPORK_2_INSTANTSEND_ENABLED", 0)
self.wait_for_sporks_same()
self.log.info("trying normal IS lock")
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# 3 nodes should be enough to create an IS lock even if nodes 4 and 5 (which have no tx itself)
# are the only "neighbours" in intra-quorum connections for one of them.
self.wait_for_instantlock(txid, self.nodes[0])
self.bump_mocktime(1)
block = self.nodes[0].generate(1)[0]
self.wait_for_chainlocked_block_all_nodes(block)
self.log.info("testing normal signing with partially known TX")
isolate_node(self.nodes[3])
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# Make sure nodes 1 and 2 received the TX before we continue,
# otherwise it might announce the TX to node 3 when reconnecting
self.wait_for_tx(txid, self.nodes[1])
self.wait_for_tx(txid, self.nodes[2])
reconnect_isolated_node(self.nodes[3], 0)
# Make sure nodes actually try re-connecting quorum connections
self.bump_mocktime(30)
self.wait_for_mnauth(self.nodes[3], 2)
# node 3 fully reconnected but the TX wasn't relayed to it, so there should be no IS lock
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# push the tx directly via rpc
self.nodes[3].sendrawtransaction(self.nodes[0].getrawtransaction(txid))
# node 3 should vote on a tx now since it became aware of it via sendrawtransaction
# and this should be enough to complete an IS lock
self.wait_for_instantlock(txid, self.nodes[0])
self.log.info("testing retroactive signing with unknown TX")
isolate_node(self.nodes[3])
rawtx = self.nodes[0].createrawtransaction(
[], {self.nodes[0].getnewaddress(): 1})
rawtx = self.nodes[0].fundrawtransaction(rawtx)['hex']
rawtx = self.nodes[0].signrawtransactionwithwallet(rawtx)['hex']
txid = self.nodes[3].sendrawtransaction(rawtx)
# Make node 3 consider the TX as safe
self.bump_mocktime(10 * 60 + 1)
block = self.nodes[3].generatetoaddress(
1, self.nodes[0].getnewaddress())[0]
reconnect_isolated_node(self.nodes[3], 0)
self.wait_for_chainlocked_block_all_nodes(block)
self.nodes[0].setmocktime(self.mocktime)
self.log.info("testing retroactive signing with partially known TX")
isolate_node(self.nodes[3])
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# Make sure nodes 1 and 2 received the TX before we continue,
# otherwise it might announce the TX to node 3 when reconnecting
self.wait_for_tx(txid, self.nodes[1])
self.wait_for_tx(txid, self.nodes[2])
reconnect_isolated_node(self.nodes[3], 0)
# Make sure nodes actually try re-connecting quorum connections
self.bump_mocktime(30)
self.wait_for_mnauth(self.nodes[3], 2)
# node 3 fully reconnected but the TX wasn't relayed to it, so there should be no IS lock
self.wait_for_instantlock(txid, self.nodes[0], False, 5)
# Make node0 consider the TX as safe
self.bump_mocktime(10 * 60 + 1)
block = self.nodes[0].generate(1)[0]
assert (txid in self.nodes[0].getblock(block, 1)['tx'])
self.wait_for_chainlocked_block_all_nodes(block)
self.log.info(
"testing retroactive signing with partially known TX and all nodes session timeout"
)
self.test_all_nodes_session_timeout(False)
self.log.info("repeating test, but with cycled LLMQs")
self.test_all_nodes_session_timeout(True)
self.log.info(
"testing retroactive signing with partially known TX and single node session timeout"
)
self.test_single_node_session_timeout(False)
self.log.info("repeating test, but with cycled LLMQs")
self.test_single_node_session_timeout(True)