merge bitcoin#26359: Erlay support signaling follow-ups

This commit is contained in:
Kittywhiskers Van Gogh 2022-11-08 12:18:40 +02:00
parent b55a6f794b
commit 38a16a24d7
No known key found for this signature in database
GPG Key ID: 30CD0C065E5C4AAD
8 changed files with 166 additions and 164 deletions

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@ -579,6 +579,7 @@ void SetupServerArgs(ArgsManager& argsman)
argsman.AddArg("-v2transport", strprintf("Support v2 transport (default: %u)", DEFAULT_V2_TRANSPORT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-peerblockfilters", strprintf("Serve compact block filters to peers per BIP 157 (default: %u)", DEFAULT_PEERBLOCKFILTERS), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-peerbloomfilters", strprintf("Support filtering of blocks and transaction with bloom filters (default: %u)", DEFAULT_PEERBLOOMFILTERS), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-txreconciliation", strprintf("Enable transaction reconciliations per BIP 330 (default: %d)", DEFAULT_TXRECONCILIATION_ENABLE), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::CONNECTION);
argsman.AddArg("-peertimeout=<n>", strprintf("Specify a p2p connection timeout delay in seconds. After connecting to a peer, wait this amount of time before considering disconnection based on inactivity (minimum: 1, default: %d)", DEFAULT_PEER_CONNECT_TIMEOUT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-permitbaremultisig", strprintf("Relay non-P2SH multisig (default: %u)", DEFAULT_PERMIT_BAREMULTISIG), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-port=<port>", strprintf("Listen for connections on <port>. Nodes not using the default ports (default: %u, testnet: %u, regtest: %u) are unlikely to get incoming connections. Not relevant for I2P (see doc/i2p.md).", defaultChainParams->GetDefaultPort(), testnetChainParams->GetDefaultPort(), regtestChainParams->GetDefaultPort()), ArgsManager::ALLOW_ANY | ArgsManager::NETWORK_ONLY, OptionsCategory::CONNECTION);
@ -588,7 +589,6 @@ void SetupServerArgs(ArgsManager& argsman)
argsman.AddArg("-socketevents=<mode>", "Socket events mode, which must be one of 'select', 'poll', 'epoll' or 'kqueue', depending on your system (default: Linux - 'epoll', FreeBSD/Apple - 'kqueue', Windows - 'select')", ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-networkactive", "Enable all P2P network activity (default: 1). Can be changed by the setnetworkactive RPC command", ArgsManager::ALLOW_BOOL, OptionsCategory::CONNECTION);
argsman.AddArg("-timeout=<n>", strprintf("Specify socket connection timeout in milliseconds. If an initial attempt to connect is unsuccessful after this amount of time, drop it (minimum: 1, default: %d)", DEFAULT_CONNECT_TIMEOUT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-txreconciliation", strprintf("Enable transaction reconciliations per BIP 330 (default: %d)", DEFAULT_TXRECONCILIATION_ENABLE), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::CONNECTION);
argsman.AddArg("-torcontrol=<ip>:<port>", strprintf("Tor control port to use if onion listening enabled (default: %s)", DEFAULT_TOR_CONTROL), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-torpassword=<pass>", "Tor control port password (default: empty)", ArgsManager::ALLOW_ANY | ArgsManager::SENSITIVE, OptionsCategory::CONNECTION);
#ifdef USE_UPNP

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@ -3544,17 +3544,14 @@ void PeerManagerImpl::ProcessMessage(
if (greatest_common_version >= INCREASE_MAX_HEADERS2_VERSION && m_txreconciliation) {
// Per BIP-330, we announce txreconciliation support if:
// - protocol version per the VERSION message supports INCREASE_MAX_HEADERS2_VERSION;
// - we intended to exchange transactions over this connection while establishing it
// and the peer indicated support for transaction relay in the VERSION message;
// - protocol version per the peer's VERSION message supports INCREASE_MAX_HEADERS2_VERSION;
// - transaction relay is supported per the peer's VERSION message (see m_relays_txs);
// - this is not a block-relay-only connection and not a feeler (see m_relays_txs);
// - this is not an addr fetch connection;
// - we are not in -blocksonly mode.
if (pfrom.m_relays_txs && !m_ignore_incoming_txs) {
if (pfrom.m_relays_txs && !pfrom.IsAddrFetchConn() && !m_ignore_incoming_txs) {
const uint64_t recon_salt = m_txreconciliation->PreRegisterPeer(pfrom.GetId());
// We suggest our txreconciliation role (initiator/responder) based on
// the connection direction.
m_connman.PushMessage(&pfrom, msg_maker.Make(NetMsgType::SENDTXRCNCL,
!pfrom.IsInboundConn(),
pfrom.IsInboundConn(),
TXRECONCILIATION_VERSION, recon_salt));
}
}
@ -3771,41 +3768,44 @@ void PeerManagerImpl::ProcessMessage(
}
if (pfrom.fSuccessfullyConnected) {
// Disconnect peers that send a SENDTXRCNCL message after VERACK.
LogPrint(BCLog::NET, "sendtxrcncl received after verack from peer=%d; disconnecting\n", pfrom.GetId());
pfrom.fDisconnect = true;
return;
}
if (!peer->GetTxRelay()) {
// Disconnect peers that send a SENDTXRCNCL message even though we indicated we don't
// support transaction relay.
// Peer must not offer us reconciliations if we specified no tx relay support in VERSION.
if (RejectIncomingTxs(pfrom)) {
LogPrint(BCLog::NET, "sendtxrcncl received from peer=%d to which we indicated no tx relay; disconnecting\n", pfrom.GetId());
pfrom.fDisconnect = true;
return;
}
bool is_peer_initiator, is_peer_responder;
uint32_t peer_txreconcl_version;
uint64_t remote_salt;
vRecv >> is_peer_initiator >> is_peer_responder >> peer_txreconcl_version >> remote_salt;
if (m_txreconciliation->IsPeerRegistered(pfrom.GetId())) {
// A peer is already registered, meaning we already received SENDTXRCNCL from them.
LogPrint(BCLog::NET, "txreconciliation protocol violation from peer=%d (sendtxrcncl received from already registered peer); disconnecting\n", pfrom.GetId());
// Peer must not offer us reconciliations if they specified no tx relay support in VERSION.
// This flag might also be false in other cases, but the RejectIncomingTxs check above
// eliminates them, so that this flag fully represents what we are looking for.
if (!pfrom.m_relays_txs) {
LogPrint(BCLog::NET, "sendtxrcncl received from peer=%d which indicated no tx relay to us; disconnecting\n", pfrom.GetId());
pfrom.fDisconnect = true;
return;
}
const ReconciliationRegisterResult result = m_txreconciliation->RegisterPeer(pfrom.GetId(), pfrom.IsInboundConn(),
is_peer_initiator, is_peer_responder,
peer_txreconcl_version,
remote_salt);
uint32_t peer_txreconcl_version;
uint64_t remote_salt;
vRecv >> peer_txreconcl_version >> remote_salt;
// If it's a protocol violation, disconnect.
// If the peer was not found (but something unexpected happened) or it was registered,
// nothing to be done.
if (result == ReconciliationRegisterResult::PROTOCOL_VIOLATION) {
const ReconciliationRegisterResult result = m_txreconciliation->RegisterPeer(pfrom.GetId(), pfrom.IsInboundConn(),
peer_txreconcl_version, remote_salt);
switch (result) {
case ReconciliationRegisterResult::NOT_FOUND:
LogPrint(BCLog::NET, "Ignore unexpected txreconciliation signal from peer=%d\n", pfrom.GetId());
break;
case ReconciliationRegisterResult::SUCCESS:
break;
case ReconciliationRegisterResult::ALREADY_REGISTERED:
LogPrint(BCLog::NET, "txreconciliation protocol violation from peer=%d (sendtxrcncl received from already registered peer); disconnecting\n", pfrom.GetId());
pfrom.fDisconnect = true;
return;
case ReconciliationRegisterResult::PROTOCOL_VIOLATION:
LogPrint(BCLog::NET, "txreconciliation protocol violation from peer=%d; disconnecting\n", pfrom.GetId());
pfrom.fDisconnect = true;
return;

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@ -39,7 +39,8 @@ public:
* the following commits.
*
* Reconciliation protocol assumes using one role consistently: either a reconciliation
* initiator (requesting sketches), or responder (sending sketches). This defines our role.
* initiator (requesting sketches), or responder (sending sketches). This defines our role,
* based on the direction of the p2p connection.
*
*/
bool m_we_initiate;
@ -81,31 +82,30 @@ public:
{
AssertLockNotHeld(m_txreconciliation_mutex);
LOCK(m_txreconciliation_mutex);
// We do not support txreconciliation salt/version updates.
assert(m_states.find(peer_id) == m_states.end());
LogPrint(BCLog::TXRECONCILIATION, "Pre-register peer=%d\n", peer_id);
const uint64_t local_salt{GetRand(UINT64_MAX)};
// We do this exactly once per peer (which are unique by NodeId, see GetNewNodeId) so it's
// safe to assume we don't have this record yet.
Assert(m_states.emplace(peer_id, local_salt).second);
Assume(m_states.emplace(peer_id, local_salt).second);
return local_salt;
}
ReconciliationRegisterResult RegisterPeer(NodeId peer_id, bool is_peer_inbound, bool is_peer_recon_initiator,
bool is_peer_recon_responder, uint32_t peer_recon_version,
uint64_t remote_salt) EXCLUSIVE_LOCKS_REQUIRED(!m_txreconciliation_mutex)
ReconciliationRegisterResult RegisterPeer(NodeId peer_id, bool is_peer_inbound, uint32_t peer_recon_version,
uint64_t remote_salt) EXCLUSIVE_LOCKS_REQUIRED(!m_txreconciliation_mutex)
{
AssertLockNotHeld(m_txreconciliation_mutex);
LOCK(m_txreconciliation_mutex);
auto recon_state = m_states.find(peer_id);
// A peer should be in the pre-registered state to proceed here.
if (recon_state == m_states.end()) return NOT_FOUND;
uint64_t* local_salt = std::get_if<uint64_t>(&recon_state->second);
// A peer is already registered. This should be checked by the caller.
Assume(local_salt);
if (recon_state == m_states.end()) return ReconciliationRegisterResult::NOT_FOUND;
if (std::holds_alternative<TxReconciliationState>(recon_state->second)) {
return ReconciliationRegisterResult::ALREADY_REGISTERED;
}
uint64_t local_salt = *std::get_if<uint64_t>(&recon_state->second);
// If the peer supports the version which is lower than ours, we downgrade to the version
// it supports. For now, this only guarantees that nodes with future reconciliation
@ -114,27 +114,13 @@ public:
// satisfactory (e.g. too low).
const uint32_t recon_version{std::min(peer_recon_version, m_recon_version)};
// v1 is the lowest version, so suggesting something below must be a protocol violation.
if (recon_version < 1) return PROTOCOL_VIOLATION;
if (recon_version < 1) return ReconciliationRegisterResult::PROTOCOL_VIOLATION;
// Must match SENDTXRCNCL logic.
const bool they_initiate = is_peer_recon_initiator && is_peer_inbound;
const bool we_initiate = !is_peer_inbound && is_peer_recon_responder;
LogPrint(BCLog::TXRECONCILIATION, "Register peer=%d (inbound=%i)\n", peer_id, is_peer_inbound);
// If we ever announce support for both requesting and responding, this will need
// tie-breaking. For now, this is mutually exclusive because both are based on the
// inbound flag.
assert(!(they_initiate && we_initiate));
// The peer set both flags to false, we treat it as a protocol violation.
if (!(they_initiate || we_initiate)) return PROTOCOL_VIOLATION;
LogPrint(BCLog::TXRECONCILIATION, "Register peer=%d with the following params: " /* Continued */
"we_initiate=%i, they_initiate=%i.\n",
peer_id, we_initiate, they_initiate);
const uint256 full_salt{ComputeSalt(*local_salt, remote_salt)};
recon_state->second = TxReconciliationState(we_initiate, full_salt.GetUint64(0), full_salt.GetUint64(1));
return SUCCESS;
const uint256 full_salt{ComputeSalt(local_salt, remote_salt)};
recon_state->second = TxReconciliationState(!is_peer_inbound, full_salt.GetUint64(0), full_salt.GetUint64(1));
return ReconciliationRegisterResult::SUCCESS;
}
void ForgetPeer(NodeId peer_id) EXCLUSIVE_LOCKS_REQUIRED(!m_txreconciliation_mutex)
@ -166,11 +152,9 @@ uint64_t TxReconciliationTracker::PreRegisterPeer(NodeId peer_id)
}
ReconciliationRegisterResult TxReconciliationTracker::RegisterPeer(NodeId peer_id, bool is_peer_inbound,
bool is_peer_recon_initiator, bool is_peer_recon_responder,
uint32_t peer_recon_version, uint64_t remote_salt)
{
return m_impl->RegisterPeer(peer_id, is_peer_inbound, is_peer_recon_initiator, is_peer_recon_responder,
peer_recon_version, remote_salt);
return m_impl->RegisterPeer(peer_id, is_peer_inbound, peer_recon_version, remote_salt);
}
void TxReconciliationTracker::ForgetPeer(NodeId peer_id)

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@ -16,10 +16,11 @@ static constexpr bool DEFAULT_TXRECONCILIATION_ENABLE{false};
/** Supported transaction reconciliation protocol version */
static constexpr uint32_t TXRECONCILIATION_VERSION{1};
enum ReconciliationRegisterResult {
NOT_FOUND = 0,
SUCCESS = 1,
PROTOCOL_VIOLATION = 2,
enum class ReconciliationRegisterResult {
NOT_FOUND,
SUCCESS,
ALREADY_REGISTERED,
PROTOCOL_VIOLATION,
};
/**
@ -72,8 +73,8 @@ public:
* Step 0. Once the peer agreed to reconcile txs with us, generate the state required to track
* ongoing reconciliations. Must be called only after pre-registering the peer and only once.
*/
ReconciliationRegisterResult RegisterPeer(NodeId peer_id, bool is_peer_inbound, bool is_peer_recon_initiator,
bool is_peer_recon_responder, uint32_t peer_recon_version, uint64_t remote_salt);
ReconciliationRegisterResult RegisterPeer(NodeId peer_id, bool is_peer_inbound,
uint32_t peer_recon_version, uint64_t remote_salt);
/**
* Attempts to forget txreconciliation-related state of the peer (if we previously stored any).

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@ -255,9 +255,7 @@ extern const char* GETCFCHECKPT;
*/
extern const char* CFCHECKPT;
/**
* Contains 2 1-byte bools, a 4-byte version number and an 8-byte salt.
* The 2 booleans indicate that a node is willing to participate in transaction
* reconciliation, respectively as an initiator or as a receiver.
* Contains a 4-byte version number and an 8-byte salt.
* The salt is used to compute short txids needed for efficient
* txreconciliation, as described by BIP 330.
*/

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@ -12,56 +12,54 @@ BOOST_FIXTURE_TEST_SUITE(txreconciliation_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(RegisterPeerTest)
{
TxReconciliationTracker tracker(1);
TxReconciliationTracker tracker(TXRECONCILIATION_VERSION);
const uint64_t salt = 0;
// Prepare a peer for reconciliation.
tracker.PreRegisterPeer(0);
// Both roles are false, don't register.
BOOST_CHECK(tracker.RegisterPeer(/*peer_id=*/0, /*is_peer_inbound=*/true,
/*is_peer_recon_initiator=*/false,
/*is_peer_recon_responder=*/false,
/*peer_recon_version=*/1, salt) ==
ReconciliationRegisterResult::PROTOCOL_VIOLATION);
// Invalid roles for the given connection direction.
BOOST_CHECK(tracker.RegisterPeer(0, true, false, true, 1, salt) == ReconciliationRegisterResult::PROTOCOL_VIOLATION);
BOOST_CHECK(tracker.RegisterPeer(0, false, true, false, 1, salt) == ReconciliationRegisterResult::PROTOCOL_VIOLATION);
// Invalid version.
BOOST_CHECK(tracker.RegisterPeer(0, true, true, false, 0, salt) == ReconciliationRegisterResult::PROTOCOL_VIOLATION);
BOOST_CHECK_EQUAL(tracker.RegisterPeer(/*peer_id=*/0, /*is_peer_inbound=*/true,
/*peer_recon_version=*/0, salt),
ReconciliationRegisterResult::PROTOCOL_VIOLATION);
// Valid registration.
// Valid registration (inbound and outbound peers).
BOOST_REQUIRE(!tracker.IsPeerRegistered(0));
BOOST_REQUIRE(tracker.RegisterPeer(0, true, true, false, 1, salt) == ReconciliationRegisterResult::SUCCESS);
BOOST_REQUIRE_EQUAL(tracker.RegisterPeer(0, true, 1, salt), ReconciliationRegisterResult::SUCCESS);
BOOST_CHECK(tracker.IsPeerRegistered(0));
// Reconciliation version is higher than ours, should be able to register.
BOOST_REQUIRE(!tracker.IsPeerRegistered(1));
tracker.PreRegisterPeer(1);
BOOST_REQUIRE(tracker.RegisterPeer(1, true, true, false, 2, salt) == ReconciliationRegisterResult::SUCCESS);
BOOST_REQUIRE(tracker.RegisterPeer(1, false, 1, salt) == ReconciliationRegisterResult::SUCCESS);
BOOST_CHECK(tracker.IsPeerRegistered(1));
// Reconciliation version is higher than ours, should be able to register.
BOOST_REQUIRE(!tracker.IsPeerRegistered(2));
tracker.PreRegisterPeer(2);
BOOST_REQUIRE(tracker.RegisterPeer(2, true, 2, salt) == ReconciliationRegisterResult::SUCCESS);
BOOST_CHECK(tracker.IsPeerRegistered(2));
// Try registering for the second time.
BOOST_REQUIRE(tracker.RegisterPeer(1, false, 1, salt) == ReconciliationRegisterResult::ALREADY_REGISTERED);
// Do not register if there were no pre-registration for the peer.
BOOST_REQUIRE(tracker.RegisterPeer(100, true, true, false, 1, salt) == ReconciliationRegisterResult::NOT_FOUND);
BOOST_REQUIRE_EQUAL(tracker.RegisterPeer(100, true, 1, salt), ReconciliationRegisterResult::NOT_FOUND);
BOOST_CHECK(!tracker.IsPeerRegistered(100));
}
BOOST_AUTO_TEST_CASE(ForgetPeerTest)
{
TxReconciliationTracker tracker(1);
TxReconciliationTracker tracker(TXRECONCILIATION_VERSION);
NodeId peer_id0 = 0;
// Removing peer after pre-registring works and does not let to register the peer.
tracker.PreRegisterPeer(peer_id0);
tracker.ForgetPeer(peer_id0);
BOOST_CHECK(tracker.RegisterPeer(peer_id0, true, true, false, 1, 1) == ReconciliationRegisterResult::NOT_FOUND);
BOOST_CHECK_EQUAL(tracker.RegisterPeer(peer_id0, true, 1, 1), ReconciliationRegisterResult::NOT_FOUND);
// Removing peer after it is registered works.
tracker.PreRegisterPeer(peer_id0);
BOOST_REQUIRE(!tracker.IsPeerRegistered(peer_id0));
BOOST_REQUIRE(tracker.RegisterPeer(peer_id0, true, true, false, 1, 1) == ReconciliationRegisterResult::SUCCESS);
BOOST_REQUIRE_EQUAL(tracker.RegisterPeer(peer_id0, true, 1, 1), ReconciliationRegisterResult::SUCCESS);
BOOST_CHECK(tracker.IsPeerRegistered(peer_id0));
tracker.ForgetPeer(peer_id0);
BOOST_CHECK(!tracker.IsPeerRegistered(peer_id0));
@ -69,14 +67,14 @@ BOOST_AUTO_TEST_CASE(ForgetPeerTest)
BOOST_AUTO_TEST_CASE(IsPeerRegisteredTest)
{
TxReconciliationTracker tracker(1);
TxReconciliationTracker tracker(TXRECONCILIATION_VERSION);
NodeId peer_id0 = 0;
BOOST_REQUIRE(!tracker.IsPeerRegistered(peer_id0));
tracker.PreRegisterPeer(peer_id0);
BOOST_REQUIRE(!tracker.IsPeerRegistered(peer_id0));
BOOST_REQUIRE(tracker.RegisterPeer(peer_id0, true, true, false, 1, 1) == ReconciliationRegisterResult::SUCCESS);
BOOST_REQUIRE_EQUAL(tracker.RegisterPeer(peer_id0, true, 1, 1), ReconciliationRegisterResult::SUCCESS);
BOOST_CHECK(tracker.IsPeerRegistered(peer_id0));
tracker.ForgetPeer(peer_id0);

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@ -8,6 +8,7 @@
from test_framework.messages import (
msg_sendtxrcncl,
msg_version,
NODE_BLOOM,
)
from test_framework.p2p import (
P2PInterface,
@ -49,10 +50,8 @@ class PeerTrackMsgOrder(P2PInterface):
super().on_message(message)
self.messages.append(message)
def create_sendtxrcncl_msg(initiator=True):
def create_sendtxrcncl_msg():
sendtxrcncl_msg = msg_sendtxrcncl()
sendtxrcncl_msg.initiator = initiator
sendtxrcncl_msg.responder = not initiator
sendtxrcncl_msg.version = 1
sendtxrcncl_msg.salt = 2
return sendtxrcncl_msg
@ -63,11 +62,11 @@ class SendTxRcnclTest(BitcoinTestFramework):
self.extra_args = [['-txreconciliation']]
def run_test(self):
# Check everything concerning *sending* SENDTXRCNCL
# First, *sending* to *inbound*.
self.log.info('SENDTXRCNCL sent to an inbound')
peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=True, wait_for_verack=True)
assert peer.sendtxrcncl_msg_received
assert not peer.sendtxrcncl_msg_received.initiator
assert peer.sendtxrcncl_msg_received.responder
assert_equal(peer.sendtxrcncl_msg_received.version, 1)
self.nodes[0].disconnect_p2ps()
@ -76,7 +75,7 @@ class SendTxRcnclTest(BitcoinTestFramework):
peer.wait_for_verack()
verack_index = [i for i, msg in enumerate(peer.messages) if msg.msgtype == b'verack'][0]
sendtxrcncl_index = [i for i, msg in enumerate(peer.messages) if msg.msgtype == b'sendtxrcncl'][0]
assert(sendtxrcncl_index < verack_index)
assert sendtxrcncl_index < verack_index
self.nodes[0].disconnect_p2ps()
self.log.info('SENDTXRCNCL on pre-v22 version should not be sent')
@ -103,51 +102,25 @@ class SendTxRcnclTest(BitcoinTestFramework):
assert not peer.sendtxrcncl_msg_received
self.nodes[0].disconnect_p2ps()
self.log.info('valid SENDTXRCNCL received')
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
peer.send_message(create_sendtxrcncl_msg())
self.wait_until(lambda : "sendtxrcncl" in self.nodes[0].getpeerinfo()[-1]["bytesrecv_per_msg"])
self.log.info('second SENDTXRCNCL triggers a disconnect')
with self.nodes[0].assert_debug_log(["(sendtxrcncl received from already registered peer); disconnecting"]):
peer.send_message(create_sendtxrcncl_msg())
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL with initiator=responder=0 triggers a disconnect')
sendtxrcncl_no_role = create_sendtxrcncl_msg()
sendtxrcncl_no_role.initiator = False
sendtxrcncl_no_role.responder = False
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
peer.send_message(sendtxrcncl_no_role)
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL with initiator=0 and responder=1 from inbound triggers a disconnect')
sendtxrcncl_wrong_role = create_sendtxrcncl_msg(initiator=False)
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
peer.send_message(sendtxrcncl_wrong_role)
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL with version=0 triggers a disconnect')
sendtxrcncl_low_version = create_sendtxrcncl_msg()
sendtxrcncl_low_version.version = 0
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
peer.send_message(sendtxrcncl_low_version)
peer.wait_for_disconnect()
self.log.info('sending SENDTXRCNCL after sending VERACK triggers a disconnect')
peer = self.nodes[0].add_p2p_connection(P2PInterface())
with self.nodes[0].assert_debug_log(["sendtxrcncl received after verack"]):
peer.send_message(create_sendtxrcncl_msg())
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL for fRelay=false should not be sent (with NODE_BLOOM offered)')
self.restart_node(0, ["-peerbloomfilters", "-txreconciliation"])
peer = self.nodes[0].add_p2p_connection(SendTxrcnclReceiver(), send_version=False, wait_for_verack=False)
no_txrelay_version_msg = msg_version()
no_txrelay_version_msg.nVersion = P2P_VERSION
no_txrelay_version_msg.strSubVer = P2P_SUBVERSION
no_txrelay_version_msg.nServices = P2P_SERVICES
no_txrelay_version_msg.relay = 0
peer.send_message(no_txrelay_version_msg)
peer.wait_for_verack()
assert peer.nServices & NODE_BLOOM != 0
assert not peer.sendtxrcncl_msg_received
self.nodes[0].disconnect_p2ps()
# Now, *sending* to *outbound*.
self.log.info('SENDTXRCNCL sent to an outbound')
peer = self.nodes[0].add_outbound_p2p_connection(
SendTxrcnclReceiver(), wait_for_verack=True, p2p_idx=0, connection_type="outbound-full-relay")
assert peer.sendtxrcncl_msg_received
assert peer.sendtxrcncl_msg_received.initiator
assert not peer.sendtxrcncl_msg_received.responder
assert_equal(peer.sendtxrcncl_msg_received.version, 1)
self.nodes[0].disconnect_p2ps()
@ -162,20 +135,11 @@ class SendTxRcnclTest(BitcoinTestFramework):
assert not peer.sendtxrcncl_msg_received
self.nodes[0].disconnect_p2ps()
self.log.info('SENDTXRCNCL if block-relay-only triggers a disconnect')
self.log.info("SENDTXRCNCL should not be sent if addrfetch")
peer = self.nodes[0].add_outbound_p2p_connection(
PeerNoVerack(), wait_for_verack=False, p2p_idx=0, connection_type="block-relay-only")
with self.nodes[0].assert_debug_log(["we indicated no tx relay; disconnecting"]):
peer.send_message(create_sendtxrcncl_msg(initiator=False))
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL with initiator=1 and responder=0 from outbound triggers a disconnect')
sendtxrcncl_wrong_role = create_sendtxrcncl_msg(initiator=True)
peer = self.nodes[0].add_outbound_p2p_connection(
PeerNoVerack(), wait_for_verack=False, p2p_idx=0, connection_type="outbound-full-relay")
with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
peer.send_message(sendtxrcncl_wrong_role)
peer.wait_for_disconnect()
SendTxrcnclReceiver(), wait_for_verack=True, p2p_idx=0, connection_type="addr-fetch")
assert not peer.sendtxrcncl_msg_received
self.nodes[0].disconnect_p2ps()
self.log.info('SENDTXRCNCL not sent if -txreconciliation flag is not set')
self.restart_node(0, [])
@ -189,6 +153,69 @@ class SendTxRcnclTest(BitcoinTestFramework):
assert not peer.sendtxrcncl_msg_received
self.nodes[0].disconnect_p2ps()
# Check everything concerning *receiving* SENDTXRCNCL
# First, receiving from *inbound*.
self.restart_node(0, ["-txreconciliation"])
self.log.info('valid SENDTXRCNCL received')
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(["received: sendtxrcncl"]):
peer.send_message(create_sendtxrcncl_msg())
self.log.info('second SENDTXRCNCL triggers a disconnect')
with self.nodes[0].assert_debug_log(["(sendtxrcncl received from already registered peer); disconnecting"]):
peer.send_message(create_sendtxrcncl_msg())
peer.wait_for_disconnect()
self.restart_node(0, [])
self.log.info('SENDTXRCNCL if no txreconciliation supported is ignored')
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(['ignored, as our node does not have txreconciliation enabled']):
peer.send_message(create_sendtxrcncl_msg())
self.nodes[0].disconnect_p2ps()
self.restart_node(0, ["-txreconciliation"])
self.log.info('SENDTXRCNCL with version=0 triggers a disconnect')
sendtxrcncl_low_version = create_sendtxrcncl_msg()
sendtxrcncl_low_version.version = 0
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(["txreconciliation protocol violation"]):
peer.send_message(sendtxrcncl_low_version)
peer.wait_for_disconnect()
self.log.info('SENDTXRCNCL with version=2 is valid')
sendtxrcncl_higher_version = create_sendtxrcncl_msg()
sendtxrcncl_higher_version.version = 2
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=True, wait_for_verack=False)
with self.nodes[0].assert_debug_log(['Register peer=1']):
peer.send_message(sendtxrcncl_higher_version)
self.nodes[0].disconnect_p2ps()
self.log.info('unexpected SENDTXRCNCL is ignored')
peer = self.nodes[0].add_p2p_connection(PeerNoVerack(), send_version=False, wait_for_verack=False)
old_version_msg = msg_version()
old_version_msg.nVersion = 70234
old_version_msg.strSubVer = P2P_SUBVERSION
old_version_msg.nServices = P2P_SERVICES
old_version_msg.relay = 1
peer.send_message(old_version_msg)
with self.nodes[0].assert_debug_log(['Ignore unexpected txreconciliation signal']):
peer.send_message(create_sendtxrcncl_msg())
self.nodes[0].disconnect_p2ps()
self.log.info('sending SENDTXRCNCL after sending VERACK triggers a disconnect')
peer = self.nodes[0].add_p2p_connection(P2PInterface())
with self.nodes[0].assert_debug_log(["sendtxrcncl received after verack"]):
peer.send_message(create_sendtxrcncl_msg())
peer.wait_for_disconnect()
# Now, *receiving* from *outbound*.
self.log.info('SENDTXRCNCL if block-relay-only triggers a disconnect')
peer = self.nodes[0].add_outbound_p2p_connection(
PeerNoVerack(), wait_for_verack=False, p2p_idx=0, connection_type="block-relay-only")
with self.nodes[0].assert_debug_log(["we indicated no tx relay; disconnecting"]):
peer.send_message(create_sendtxrcncl_msg())
peer.wait_for_disconnect()
if __name__ == '__main__':
SendTxRcnclTest().main()

View File

@ -2560,29 +2560,23 @@ class msg_cfcheckpt:
self.filter_type, self.stop_hash)
class msg_sendtxrcncl:
__slots__ = ("initiator", "responder", "version", "salt")
__slots__ = ("version", "salt")
msgtype = b"sendtxrcncl"
def __init__(self):
self.initiator = False
self.responder = False
self.version = 0
self.salt = 0
def deserialize(self, f):
self.initiator = struct.unpack("<?", f.read(1))[0]
self.responder = struct.unpack("<?", f.read(1))[0]
self.version = struct.unpack("<I", f.read(4))[0]
self.salt = struct.unpack("<Q", f.read(8))[0]
def serialize(self):
r = b""
r += struct.pack("<?", self.initiator)
r += struct.pack("<?", self.responder)
r += struct.pack("<I", self.version)
r += struct.pack("<Q", self.salt)
return r
def __repr__(self):
return "msg_sendtxrcncl(initiator=%i, responder=%i, version=%lu, salt=%lu)" %\
(self.initiator, self.responder, self.version, self.salt)
return "msg_sendtxrcncl(version=%lu, salt=%lu)" %\
(self.version, self.salt)