use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, HTLCUpdate};
use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, ChannelManagerReadArgs};
use lightning::ln::router::{Route, RouteHop};
-use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, UpdateAddHTLC, LocalFeatures, ErrorAction};
+use lightning::ln::features::InitFeatures;
+use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, UpdateAddHTLC};
use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
use lightning::util::events;
use lightning::util::logger::Logger;
} else { panic!("Wrong event type"); }
};
- $dest.handle_open_channel(&$source.get_our_node_id(), LocalFeatures::new(), &open_channel);
+ $dest.handle_open_channel(&$source.get_our_node_id(), InitFeatures::supported(), &open_channel);
let accept_channel = {
let events = $dest.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
} else { panic!("Wrong event type"); }
};
- $source.handle_accept_channel(&$dest.get_our_node_id(), LocalFeatures::new(), &accept_channel);
+ $source.handle_accept_channel(&$dest.get_our_node_id(), InitFeatures::supported(), &accept_channel);
{
let events = $source.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
GEN_TEST FundingCreated test_msg ""
GEN_TEST FundingLocked test_msg ""
GEN_TEST FundingSigned test_msg ""
-GEN_TEST Init test_msg ""
GEN_TEST OpenChannel test_msg ""
GEN_TEST RevokeAndACK test_msg ""
GEN_TEST Shutdown test_msg ""
GEN_TEST ErrorMessage test_msg_hole ", 32, 2"
GEN_TEST OnionHopData test_msg_hole ", 1+8+8+4, 12"
+GEN_TEST Init test_msg_simple ""
GEN_TEST Ping test_msg_simple ""
GEN_TEST Pong test_msg_simple ""
pub mod msg_funding_created;
pub mod msg_funding_locked;
pub mod msg_funding_signed;
-pub mod msg_init;
pub mod msg_open_channel;
pub mod msg_revoke_and_ack;
pub mod msg_shutdown;
pub mod msg_update_add_htlc;
pub mod msg_error_message;
pub mod msg_onion_hop_data;
+pub mod msg_init;
pub mod msg_ping;
pub mod msg_pong;
#[inline]
pub fn do_test(data: &[u8]) {
- test_msg!(msgs::Init, data);
+ test_msg_simple!(msgs::Init, data);
}
#[no_mangle]
use ln::channelmanager::{RAACommitmentOrder, PaymentPreimage, PaymentHash};
use ln::channelmonitor::ChannelMonitorUpdateErr;
+use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, LocalFeatures, RoutingMessageHandler, ErrorAction};
+use ln::msgs::{ChannelMessageHandler, ErrorAction, RoutingMessageHandler};
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
use util::errors::APIError;
fn test_simple_monitor_permanent_update_fail() {
// Test that we handle a simple permanent monitor update failure
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
let (_, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
// Test that we can recover from a simple temporary monitor update failure optionally with
// a disconnect in between
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
// through, swapping message ordering based on disconnect_count & 8 and optionally
// disconnect/reconnecting based on disconnect_count.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
fn test_monitor_update_fail_cs() {
// Tests handling of a monitor update failure when processing an incoming commitment_signed
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
let (payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
// test_restore_channel_monitor() is required. Backported from
// chanmon_fail_consistency fuzz tests.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
let (payment_preimage_1, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
// Tests handling of an RAA while monitor updating has already been marked failed.
// Backported from chanmon_fail_consistency fuzz tests as this used to be broken.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
send_payment(&nodes[0], &[&nodes[1]], 5000000, 5_000_000);
fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
// Tests handling of a monitor update failure when processing an incoming RAA
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance a bit so that we can send backwards from 2 to 1.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000);
// channel_reestablish generating a monitor update (which comes from freeing holding cell
// HTLCs).
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
// in question (assuming it intends to respond with a CS after monitor updating is restored).
// Backported from chanmon_fail_consistency fuzz tests as this used to be broken.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
let (payment_preimage_1, payment_hash_1) = get_payment_preimage_hash!(nodes[0]);
// code introduced a regression in this test (specifically, this caught a removal of the
// channel_reestablish handling ensuring the order was sensical given the messages used).
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Forward a payment for B to claim
let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
// Backported from chanmon_fail_consistency fuzz tests as it caught a long-standing
// debug_assert!() failure in channel_reestablish handling.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Route the payment and deliver the initial commitment_signed (with a monitor update failure
// on receipt).
// payment applied).
// Backported from chanmon_fail_consistency fuzz tests as it caught a bug here.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Route the first payment outbound, holding the last RAA for B until we are set up so that we
// can deliver it and fail the monitor update.
// payment from B to A fail due to the paused channel. Finally, we restore the channel monitor
// updating and claim the payment on B.
let mut nodes = create_network(3, &[None, None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance a bit so that we can send backwards from 3 to 2.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000);
// The payment from A to C will be failed by C and pending a back-fail to A, while the payment
// from C to A will be pending a forward to A.
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance a bit so that we can send backwards from 3 to 1.
send_payment(&nodes[0], &[&nodes[1], &nodes[2]], 5000000, 5_000_000);
// Backported from chanmon_fail_consistency fuzz tests as an unmerged version of the handling
// code was broken.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Forward a payment for B to claim
let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
let mut nodes = create_network(2, &[None, None]);
nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 43).unwrap();
- nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()));
- nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), LocalFeatures::new(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()));
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()));
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()));
let (temporary_channel_id, funding_tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 43);
use secp256k1::{Secp256k1,Signature};
use secp256k1;
+use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
-use ln::msgs::{DecodeError, OptionalField, LocalFeatures, DataLossProtect};
+use ln::msgs::{DecodeError, OptionalField, DataLossProtect};
use ln::channelmonitor::ChannelMonitor;
use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingForwardHTLCInfo, RAACommitmentOrder, PaymentPreimage, PaymentHash, BREAKDOWN_TIMEOUT, MAX_LOCAL_BREAKDOWN_TIMEOUT};
use ln::chan_utils::{LocalCommitmentTransaction,TxCreationKeys,HTLCOutputInCommitment,HTLC_SUCCESS_TX_WEIGHT,HTLC_TIMEOUT_TX_WEIGHT};
/// Creates a new channel from a remote sides' request for one.
/// Assumes chain_hash has already been checked and corresponds with what we expect!
- pub fn new_from_req(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface<ChanKeySigner = ChanSigner>>, their_node_id: PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, ChannelError> {
+ pub fn new_from_req(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface<ChanKeySigner = ChanSigner>>, their_node_id: PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel<ChanSigner>, ChannelError> {
let chan_keys = keys_provider.get_channel_keys(true);
let mut local_config = (*config).channel_options.clone();
chan_keys.htlc_base_key(), chan_keys.payment_base_key(), &keys_provider.get_shutdown_pubkey(), config.own_channel_config.our_to_self_delay,
keys_provider.get_destination_script(), logger.clone());
- let their_shutdown_scriptpubkey = if their_local_features.supports_upfront_shutdown_script() {
+ let their_shutdown_scriptpubkey = if their_features.supports_upfront_shutdown_script() {
match &msg.shutdown_scriptpubkey {
&OptionalField::Present(ref script) => {
// Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. We enforce it while receiving shutdown msg
// Message handlers:
- pub fn accept_channel(&mut self, msg: &msgs::AcceptChannel, config: &UserConfig, their_local_features: LocalFeatures) -> Result<(), ChannelError> {
+ pub fn accept_channel(&mut self, msg: &msgs::AcceptChannel, config: &UserConfig, their_features: InitFeatures) -> Result<(), ChannelError> {
// Check sanity of message fields:
if !self.channel_outbound {
return Err(ChannelError::Close("Got an accept_channel message from an inbound peer"));
return Err(ChannelError::Close("We consider the minimum depth to be unreasonably large"));
}
- let their_shutdown_scriptpubkey = if their_local_features.supports_upfront_shutdown_script() {
+ let their_shutdown_scriptpubkey = if their_features.supports_upfront_shutdown_script() {
match &msg.shutdown_scriptpubkey {
&OptionalField::Present(ref script) => {
// Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. We enforce it while receiving shutdown msg
let our_bitcoin_key = PublicKey::from_secret_key(&self.secp_ctx, self.local_keys.funding_key());
let msg = msgs::UnsignedChannelAnnouncement {
- features: msgs::GlobalFeatures::new(),
+ features: ChannelFeatures::supported(),
chain_hash: chain_hash,
short_channel_id: self.get_short_channel_id().unwrap(),
node_id_1: if were_node_one { our_node_id } else { self.get_their_node_id() },
use ln::channel::{Channel, ChannelError};
use ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, ManyChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use ln::router::Route;
+use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::LocalFeatures;
use ln::onion_utils;
use ln::msgs::{ChannelMessageHandler, DecodeError, LightningError};
use chain::keysinterface::{ChannelKeys, KeysInterface};
}
}
- fn internal_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) -> Result<(), MsgHandleErrInternal> {
+ fn internal_open_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel) -> Result<(), MsgHandleErrInternal> {
if msg.chain_hash != self.genesis_hash {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Unknown genesis block hash", msg.temporary_channel_id.clone()));
}
- let channel = Channel::new_from_req(&*self.fee_estimator, &self.keys_manager, their_node_id.clone(), their_local_features, msg, 0, Arc::clone(&self.logger), &self.default_configuration)
+ let channel = Channel::new_from_req(&*self.fee_estimator, &self.keys_manager, their_node_id.clone(), their_features, msg, 0, Arc::clone(&self.logger), &self.default_configuration)
.map_err(|e| MsgHandleErrInternal::from_chan_no_close(e, msg.temporary_channel_id))?;
let mut channel_state_lock = self.channel_state.lock().unwrap();
let channel_state = channel_state_lock.borrow_parts();
Ok(())
}
- fn internal_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) -> Result<(), MsgHandleErrInternal> {
+ fn internal_accept_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::AcceptChannel) -> Result<(), MsgHandleErrInternal> {
let (value, output_script, user_id) = {
let mut channel_lock = self.channel_state.lock().unwrap();
let channel_state = channel_lock.borrow_parts();
if chan.get().get_their_node_id() != *their_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.temporary_channel_id));
}
- try_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration, their_local_features), channel_state, chan);
+ try_chan_entry!(self, chan.get_mut().accept_channel(&msg, &self.default_configuration, their_features), channel_state, chan);
(chan.get().get_value_satoshis(), chan.get().get_funding_redeemscript().to_v0_p2wsh(), chan.get().get_user_id())
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.temporary_channel_id))
}
impl<ChanSigner: ChannelKeys> ChannelMessageHandler for ChannelManager<ChanSigner> {
- fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) {
+ fn handle_open_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::OpenChannel) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_open_channel(their_node_id, their_local_features, msg);
+ let res = self.internal_open_channel(their_node_id, their_features, msg);
if res.is_err() {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
}
}
- fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) {
+ fn handle_accept_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::AcceptChannel) {
let _ = self.total_consistency_lock.read().unwrap();
- let res = self.internal_accept_channel(their_node_id, their_local_features, msg);
+ let res = self.internal_accept_channel(their_node_id, their_features, msg);
if res.is_err() {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let _ = handle_error!(self, res, *their_node_id, channel_state_lock);
--- /dev/null
+//! Lightning exposes sets of supported operations through "feature flags". This module includes
+//! types to store those feature flags and query for specific flags.
+
+use std::{cmp, fmt};
+use std::result::Result;
+use std::marker::PhantomData;
+
+use ln::msgs::DecodeError;
+use util::ser::{Readable, Writeable, Writer};
+
+mod sealed { // You should just use the type aliases instead.
+ pub struct InitContext {}
+ pub struct NodeContext {}
+ pub struct ChannelContext {}
+
+ /// An internal trait capturing the various feature context types
+ pub trait Context {}
+ impl Context for InitContext {}
+ impl Context for NodeContext {}
+ impl Context for ChannelContext {}
+
+ pub trait DataLossProtect: Context {}
+ impl DataLossProtect for InitContext {}
+ impl DataLossProtect for NodeContext {}
+
+ pub trait InitialRoutingSync: Context {}
+ impl InitialRoutingSync for InitContext {}
+
+ pub trait UpfrontShutdownScript: Context {}
+ impl UpfrontShutdownScript for InitContext {}
+ impl UpfrontShutdownScript for NodeContext {}
+}
+
+/// Tracks the set of features which a node implements, templated by the context in which it
+/// appears.
+pub struct Features<T: sealed::Context> {
+ /// Note that, for convinience, flags is LITTLE endian (despite being big-endian on the wire)
+ flags: Vec<u8>,
+ mark: PhantomData<T>,
+}
+
+impl<T: sealed::Context> Clone for Features<T> {
+ fn clone(&self) -> Self {
+ Self {
+ flags: self.flags.clone(),
+ mark: PhantomData,
+ }
+ }
+}
+impl<T: sealed::Context> PartialEq for Features<T> {
+ fn eq(&self, o: &Self) -> bool {
+ self.flags.eq(&o.flags)
+ }
+}
+impl<T: sealed::Context> fmt::Debug for Features<T> {
+ fn fmt(&self, fmt: &mut fmt::Formatter) -> Result<(), fmt::Error> {
+ self.flags.fmt(fmt)
+ }
+}
+
+/// A feature message as it appears in an init message
+pub type InitFeatures = Features<sealed::InitContext>;
+/// A feature message as it appears in a node_announcement message
+pub type NodeFeatures = Features<sealed::NodeContext>;
+/// A feature message as it appears in a channel_announcement message
+pub type ChannelFeatures = Features<sealed::ChannelContext>;
+
+impl InitFeatures {
+ /// Create a Features with the features we support
+ #[cfg(not(feature = "fuzztarget"))]
+ pub(crate) fn supported() -> InitFeatures {
+ InitFeatures {
+ flags: vec![2 | 1 << 5],
+ mark: PhantomData,
+ }
+ }
+ #[cfg(feature = "fuzztarget")]
+ pub fn supported() -> InitFeatures {
+ InitFeatures {
+ flags: vec![2 | 1 << 5],
+ mark: PhantomData,
+ }
+ }
+
+ /// Writes all features present up to, and including, 13.
+ pub(crate) fn write_up_to_13<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+ let len = cmp::min(2, self.flags.len());
+ w.size_hint(len + 2);
+ (len as u16).write(w)?;
+ for i in (0..len).rev() {
+ if i == 0 {
+ self.flags[i].write(w)?;
+ } else {
+ // On byte 1, we want up-to-and-including-bit-13, 0-indexed, which is
+ // up-to-and-including-bit-5, 0-indexed, on this byte:
+ (self.flags[i] & 0b00_11_11_11).write(w)?;
+ }
+ }
+ Ok(())
+ }
+
+ /// or's another InitFeatures into this one.
+ pub(crate) fn or(mut self, o: InitFeatures) -> InitFeatures {
+ let total_feature_len = cmp::max(self.flags.len(), o.flags.len());
+ self.flags.resize(total_feature_len, 0u8);
+ for (byte, o_byte) in self.flags.iter_mut().zip(o.flags.iter()) {
+ *byte |= *o_byte;
+ }
+ self
+ }
+}
+
+impl ChannelFeatures {
+ /// Create a Features with the features we support
+ #[cfg(not(feature = "fuzztarget"))]
+ pub(crate) fn supported() -> ChannelFeatures {
+ ChannelFeatures {
+ flags: Vec::new(),
+ mark: PhantomData,
+ }
+ }
+ #[cfg(feature = "fuzztarget")]
+ pub fn supported() -> ChannelFeatures {
+ ChannelFeatures {
+ flags: Vec::new(),
+ mark: PhantomData,
+ }
+ }
+}
+
+impl NodeFeatures {
+ /// Create a Features with the features we support
+ #[cfg(not(feature = "fuzztarget"))]
+ pub(crate) fn supported() -> NodeFeatures {
+ NodeFeatures {
+ flags: vec![2 | 1 << 5],
+ mark: PhantomData,
+ }
+ }
+ #[cfg(feature = "fuzztarget")]
+ pub fn supported() -> NodeFeatures {
+ NodeFeatures {
+ flags: vec![2 | 1 << 5],
+ mark: PhantomData,
+ }
+ }
+}
+
+impl<T: sealed::Context> Features<T> {
+ /// Create a blank Features with no features set
+ pub fn empty() -> Features<T> {
+ Features {
+ flags: Vec::new(),
+ mark: PhantomData,
+ }
+ }
+
+ #[cfg(test)]
+ /// Create a Features given a set of flags, in LE.
+ pub fn from_le_bytes(flags: Vec<u8>) -> Features<T> {
+ Features {
+ flags,
+ mark: PhantomData,
+ }
+ }
+
+ #[cfg(test)]
+ /// Gets the underlying flags set, in LE.
+ pub fn le_flags(&self) -> &Vec<u8> {
+ &self.flags
+ }
+
+ pub(crate) fn requires_unknown_bits(&self) -> bool {
+ self.flags.iter().enumerate().any(|(idx, &byte)| {
+ ( idx != 0 && (byte & 0x55) != 0 ) || ( idx == 0 && (byte & 0x14) != 0 )
+ })
+ }
+
+ pub(crate) fn supports_unknown_bits(&self) -> bool {
+ self.flags.iter().enumerate().any(|(idx, &byte)| {
+ ( idx != 0 && byte != 0 ) || ( idx == 0 && (byte & 0xc4) != 0 )
+ })
+ }
+
+ /// The number of bytes required to represent the feature flags present. This does not include
+ /// the length bytes which are included in the serialized form.
+ pub(crate) fn byte_count(&self) -> usize {
+ self.flags.len()
+ }
+
+ #[cfg(test)]
+ pub(crate) fn set_require_unknown_bits(&mut self) {
+ let newlen = cmp::max(2, self.flags.len());
+ self.flags.resize(newlen, 0u8);
+ self.flags[1] |= 0x40;
+ }
+
+ #[cfg(test)]
+ pub(crate) fn clear_require_unknown_bits(&mut self) {
+ let newlen = cmp::max(2, self.flags.len());
+ self.flags.resize(newlen, 0u8);
+ self.flags[1] &= !0x40;
+ if self.flags.len() == 2 && self.flags[1] == 0 {
+ self.flags.resize(1, 0u8);
+ }
+ }
+}
+
+impl<T: sealed::DataLossProtect> Features<T> {
+ pub(crate) fn supports_data_loss_protect(&self) -> bool {
+ self.flags.len() > 0 && (self.flags[0] & 3) != 0
+ }
+}
+
+impl<T: sealed::UpfrontShutdownScript> Features<T> {
+ pub(crate) fn supports_upfront_shutdown_script(&self) -> bool {
+ self.flags.len() > 0 && (self.flags[0] & (3 << 4)) != 0
+ }
+ #[cfg(test)]
+ pub(crate) fn unset_upfront_shutdown_script(&mut self) {
+ self.flags[0] ^= 1 << 5;
+ }
+}
+
+impl<T: sealed::InitialRoutingSync> Features<T> {
+ pub(crate) fn initial_routing_sync(&self) -> bool {
+ self.flags.len() > 0 && (self.flags[0] & (1 << 3)) != 0
+ }
+ pub(crate) fn set_initial_routing_sync(&mut self) {
+ if self.flags.len() == 0 {
+ self.flags.resize(1, 1 << 3);
+ } else {
+ self.flags[0] |= 1 << 3;
+ }
+ }
+}
+
+impl<T: sealed::Context> Writeable for Features<T> {
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+ w.size_hint(self.flags.len() + 2);
+ (self.flags.len() as u16).write(w)?;
+ for f in self.flags.iter().rev() { // Swap back to big-endian
+ f.write(w)?;
+ }
+ Ok(())
+ }
+}
+
+impl<R: ::std::io::Read, T: sealed::Context> Readable<R> for Features<T> {
+ fn read(r: &mut R) -> Result<Self, DecodeError> {
+ let mut flags: Vec<u8> = Readable::read(r)?;
+ flags.reverse(); // Swap to little-endian
+ Ok(Self {
+ flags,
+ mark: PhantomData,
+ })
+ }
+}
use chain::keysinterface::KeysInterface;
use ln::channelmanager::{ChannelManager,RAACommitmentOrder, PaymentPreimage, PaymentHash};
use ln::router::{Route, Router};
+use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler, LocalFeatures};
+use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
use util::enforcing_trait_impls::EnforcingChannelKeys;
use util::test_utils;
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
}
}
-pub fn create_chan_between_nodes(node_a: &Node, node_b: &Node, a_flags: LocalFeatures, b_flags: LocalFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+pub fn create_chan_between_nodes(node_a: &Node, node_b: &Node, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
}
-pub fn create_chan_between_nodes_with_value(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: LocalFeatures, b_flags: LocalFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+pub fn create_chan_between_nodes_with_value(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
let (funding_locked, channel_id, tx) = create_chan_between_nodes_with_value_a(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &funding_locked);
(announcement, as_update, bs_update, channel_id, tx)
}
}
-pub fn create_chan_between_nodes_with_value_init(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: LocalFeatures, b_flags: LocalFeatures) -> Transaction {
+pub fn create_chan_between_nodes_with_value_init(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> Transaction {
node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42).unwrap();
node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id()));
node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id()));
create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
}
-pub fn create_chan_between_nodes_with_value_a(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: LocalFeatures, b_flags: LocalFeatures) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
+pub fn create_chan_between_nodes_with_value_a(node_a: &Node, node_b: &Node, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
(msgs, chan_id, tx)
((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
}
-pub fn create_announced_chan_between_nodes(nodes: &Vec<Node>, a: usize, b: usize, a_flags: LocalFeatures, b_flags: LocalFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+pub fn create_announced_chan_between_nodes(nodes: &Vec<Node>, a: usize, b: usize, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
}
-pub fn create_announced_chan_between_nodes_with_value(nodes: &Vec<Node>, a: usize, b: usize, channel_value: u64, push_msat: u64, a_flags: LocalFeatures, b_flags: LocalFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
+pub fn create_announced_chan_between_nodes_with_value(nodes: &Vec<Node>, a: usize, b: usize, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
for node in nodes {
assert!(node.router.handle_channel_announcement(&chan_announcement.0).unwrap());
use ln::channel::{ACCEPTED_HTLC_SCRIPT_WEIGHT, OFFERED_HTLC_SCRIPT_WEIGHT, Channel, ChannelError};
use ln::onion_utils;
use ln::router::{Route, RouteHop};
+use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, LocalFeatures, ErrorAction};
+use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction};
use util::enforcing_trait_impls::EnforcingChannelKeys;
use util::test_utils;
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
// Test helper that asserts we get the correct error string given a mutator
// that supposedly makes the channel open message insane
let insane_open_helper = |expected_error_str: &str, message_mutator: fn(msgs::OpenChannel) -> msgs::OpenChannel| {
- nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &message_mutator(open_channel_message.clone()));
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &message_mutator(open_channel_message.clone()));
let msg_events = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(msg_events.len(), 1);
if let MessageSendEvent::HandleError { ref action, .. } = msg_events[0] {
#[test]
fn test_async_inbound_update_fee() {
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
// balancing
// Just the intro to the previous test followed by an out-of-order RAA (which caused a
// crash in an earlier version of the update_fee patch)
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
// balancing
#[test]
fn test_multi_flight_update_fee() {
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
// A B
#[test]
fn test_update_fee_vanilla() {
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
let feerate = get_feerate!(nodes[0], channel_id);
fn test_update_fee_that_funder_cannot_afford() {
let nodes = create_network(2, &[None, None]);
let channel_value = 1888;
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 700000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 700000, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
let feerate = 260;
#[test]
fn test_update_fee_with_fundee_update_add_htlc() {
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
// balancing
#[test]
fn test_update_fee() {
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_id = chan.2;
// A B
fn pre_funding_lock_shutdown_test() {
// Test sending a shutdown prior to funding_locked after funding generation
let nodes = create_network(2, &[None, None]);
- let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 8000000, 0, LocalFeatures::new(), LocalFeatures::new());
+ let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 8000000, 0, InitFeatures::supported(), InitFeatures::supported());
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
nodes[0].block_notifier.block_connected(&Block { header, txdata: vec![tx.clone()]}, 1);
nodes[1].block_notifier.block_connected(&Block { header, txdata: vec![tx.clone()]}, 1);
fn updates_shutdown_wait() {
// Test sending a shutdown with outstanding updates pending
let mut nodes = create_network(3, &[None, None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let route_1 = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
let route_2 = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
fn htlc_fail_async_shutdown() {
// Test HTLCs fail if shutdown starts even if messages are delivered out-of-order
let mut nodes = create_network(3, &[None, None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
// Test that shutdown/closing_signed is re-sent on reconnect with a variable number of
// messages delivered prior to disconnect
let nodes = create_network(3, &[None, None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100000);
let nodes = create_network(4, &[None, None, None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
- let chan_3 = create_announced_chan_between_nodes(&nodes, 2, 3, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
+ let chan_3 = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network a bit by relaying one payment through all the channels...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], 8000000, 8_000_000);
fail_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3])[..], payment_hash_1);
// Add a new channel that skips 3
- let chan_4 = create_announced_chan_between_nodes(&nodes, 1, 3, LocalFeatures::new(), LocalFeatures::new());
+ let chan_4 = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::supported(), InitFeatures::supported());
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 1000000, 1_000_000);
send_payment(&nodes[2], &vec!(&nodes[3])[..], 1000000, 1_000_000);
claim_payment(&nodes[1], &vec!(&nodes[2], &nodes[3], &nodes[1])[..], payment_preimage_1, 1_000_000);
// Add a duplicate new channel from 2 to 4
- let chan_5 = create_announced_chan_between_nodes(&nodes, 1, 3, LocalFeatures::new(), LocalFeatures::new());
+ let chan_5 = create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::supported(), InitFeatures::supported());
// Send some payments across both channels
let payment_preimage_3 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[3])[..], 3000000).0;
// to ensure we don't end up with HTLCs sitting around in our holding cell for several
// commitment dance rounds.
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let mut payments = Vec::new();
for _ in 0..::ln::channel::OUR_MAX_HTLCS {
let mut nodes = create_network(6, &[None, None, None, None, None, None]);
// Create some initial channels to route via 3 to 4/5 from 0/1/2
- create_announced_chan_between_nodes(&nodes, 0, 3, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 3, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 2, 3, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 3, 4, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 3, 5, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 3, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 3, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 3, 4, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 3, 5, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage, payment_hash) = route_payment(&nodes[0], &vec!(&nodes[3], &nodes[4])[..], 1000000);
// in opposite directions.
let nodes = create_network(2, &[None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// balancing
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
fn do_channel_reserve_test(test_recv: bool) {
let mut nodes = create_network(3, &[None, None, None]);
- let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1900, 1001, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1900, 1001, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1900, 1001, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1900, 1001, InitFeatures::supported(), InitFeatures::supported());
let mut stat01 = get_channel_value_stat!(nodes[0], chan_1.2);
let mut stat11 = get_channel_value_stat!(nodes[1], chan_1.2);
// * Now B happily sends another HTLC, potentially violating its reserve value from A's point
// of view (if A counts the AwaitingRemovedRemoteRevoke HTLC).
let mut nodes = create_network(2, &[None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let b_chan_values = get_channel_value_stat!(nodes[1], chan_1.2);
// Route the first two HTLCs.
let nodes = create_network(5, &[None, None, None, None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
- let chan_3 = create_announced_chan_between_nodes(&nodes, 2, 3, LocalFeatures::new(), LocalFeatures::new());
- let chan_4 = create_announced_chan_between_nodes(&nodes, 3, 4, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
+ let chan_3 = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported());
+ let chan_4 = create_announced_chan_between_nodes(&nodes, 3, 4, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network a bit by relaying one payment through all the channels...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2], &nodes[3], &nodes[4])[..], 8000000, 8_000_000);
let cfgs = [Some(alice_config), Some(bob_config)];
let nodes = create_network(2, &cfgs);
// Create some new channels:
- let chan_5 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_5 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// A pending HTLC which will be revoked:
let payment_preimage_3 = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
// We test justice_tx build by A on B's revoked HTLC-Success tx
// Create some new channels:
- let chan_6 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_6 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
{
let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
node_txn.clear();
// Simple test to ensure a node will claim a revoked output when a stale remote commitment
// transaction is broadcast by its counterparty
let nodes = create_network(2, &[None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// node[0] is gonna to revoke an old state thus node[1] should be able to claim the revoked output
let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
assert_eq!(revoked_local_txn.len(), 1);
let nodes = create_network(2, &[None, None]);
// Create some new channel:
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network to generate htlc in the two directions
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
// Node revoked old state, htlcs have timed out, claim each of them in separated justice tx
let nodes = create_network(2, &[None, None]);
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network to generate htlc in the two directions
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
let nodes = create_network(3, &[None, None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network a bit by relaying one payment through all the channels...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000, 8_000_000);
let nodes = create_network(3, &[None, None, None]);
// Create some intial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network a bit by relaying one payment thorugh all the channels...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000, 8_000_000);
let nodes = create_network(3, &[None, None, None]);
// Create some initial channels
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage, _payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 3000000);
// Get the will-be-revoked local txn from nodes[2]
let mut nodes = create_network(3, &[None, None, None]);
// Create some initial channels
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage, _payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], if no_to_remote { 10_000 } else { 3_000_000 });
// Get the will-be-revoked local txn from nodes[2]
// Test that HTLC transactions spending the latest remote commitment transaction are simply
// ignored if we cannot claim them. This originally tickled an invalid unwrap().
let nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
route_payment(&nodes[0], &[&nodes[1]], 10000000);
nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id);
fn test_force_close_fail_back() {
// Check which HTLCs are failed-backwards on channel force-closure
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 1000000, 42).unwrap();
fn test_unconf_chan() {
// After creating a chan between nodes, we disconnect all blocks previously seen to force a channel close on nodes[0] side
let nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let channel_state = nodes[0].node.channel_state.lock().unwrap();
assert_eq!(channel_state.by_id.len(), 1);
fn test_simple_peer_disconnect() {
// Test that we can reconnect when there are no lost messages
let nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
// Test that we can reconnect when in-flight HTLC updates get dropped
let mut nodes = create_network(2, &[None, None]);
if messages_delivered == 0 {
- create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, LocalFeatures::new(), LocalFeatures::new());
+ create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::supported(), InitFeatures::supported());
// nodes[1] doesn't receive the funding_locked message (it'll be re-sent on reconnect)
} else {
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
}
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), Some(&nodes[0].node.list_usable_channels()), &Vec::new(), 1000000, TEST_FINAL_CLTV).unwrap();
fn test_funding_peer_disconnect() {
// Test that we can lock in our funding tx while disconnected
let nodes = create_network(2, &[None, None]);
- let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, LocalFeatures::new(), LocalFeatures::new());
+ let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::supported(), InitFeatures::supported());
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
// Test that we can handle reconnecting when both sides of a channel have pending
// commitment_updates when we disconnect.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
let secp_ctx = Secp256k1::new();
let nodes = create_network(2, &[None, None]);
- let chan_announcement = create_chan_between_nodes(&nodes[0], &nodes[1], LocalFeatures::new(), LocalFeatures::new());
+ let chan_announcement = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::supported(), InitFeatures::supported());
let a_channel_lock = nodes[0].node.channel_state.lock().unwrap();
let b_channel_lock = nodes[1].node.channel_state.lock().unwrap();
macro_rules! dummy_unsigned_msg {
() => {
msgs::UnsignedChannelAnnouncement {
- features: msgs::GlobalFeatures::new(),
+ features: ChannelFeatures::supported(),
chain_hash: genesis_block(Network::Testnet).header.bitcoin_hash(),
short_channel_id: as_chan.get_short_channel_id().unwrap(),
node_id_1: if were_node_one { as_network_key } else { bs_network_key },
fn test_no_txn_manager_serialize_deserialize() {
let mut nodes = create_network(2, &[None, None]);
- let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, LocalFeatures::new(), LocalFeatures::new());
+ let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::supported(), InitFeatures::supported());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
#[test]
fn test_simple_manager_serialize_deserialize() {
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
let (_, our_payment_hash) = route_payment(&nodes[0], &[&nodes[1]], 1000000);
fn test_manager_serialize_deserialize_inconsistent_monitor() {
// Test deserializing a ChannelManager with an out-of-date ChannelMonitor
let mut nodes = create_network(4, &[None, None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 2, 0, LocalFeatures::new(), LocalFeatures::new());
- let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 3, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 2, 0, InitFeatures::supported(), InitFeatures::supported());
+ let (_, _, channel_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 3, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, _) = route_payment(&nodes[2], &[&nodes[0], &nodes[1]], 1000000);
// Incidentally test SpendableOutput event generation due to detection of to_local output on commitment tx
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::supported(), InitFeatures::supported());
nodes[1].node.force_close_channel(&chan.2);
check_closed_broadcast!(nodes[1], false);
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
// to_remote output is encumbered by a P2WPKH
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::supported(), InitFeatures::supported());
nodes[0].node.force_close_channel(&chan.2);
check_closed_broadcast!(nodes[0], false);
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 59000000, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
assert_eq!(revoked_local_txn[0].input.len(), 1);
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.iter_mut().next().unwrap().1.channel_monitor().get_latest_local_commitment_txn();
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let revoked_local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
let nodes = create_network(3, &[None, None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
// Rebalance the network a bit by relaying one payment through all the channels ...
send_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 8000000, 8_000_000);
// We route 2 payments with same hash between B and C, one will be timeout, the other successfully claim
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, duplicate_payment_hash) = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 900000);
*nodes[0].network_payment_count.borrow_mut() -= 1;
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
let local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
// And test where C fails back to A/B when D announces its latest commitment transaction
let nodes = create_network(6, &[None, None, None, None, None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 2, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new());
- let chan = create_announced_chan_between_nodes(&nodes, 2, 3, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 3, 4, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes(&nodes, 3, 5, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 2, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported());
+ let chan = create_announced_chan_between_nodes(&nodes, 2, 3, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 3, 4, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes(&nodes, 3, 5, InitFeatures::supported(), InitFeatures::supported());
// Rebalance and check output sanity...
send_payment(&nodes[0], &[&nodes[2], &nodes[3], &nodes[4]], 500000, 500_000);
let nodes = create_network(2, &[None, None]);
// Create some initial channels
- let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
let local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get_mut(&chan_1.2).unwrap().channel_monitor().get_latest_local_commitment_txn();
fn test_static_output_closing_tx() {
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
let closing_tx = close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true).2;
fn do_htlc_claim_local_commitment_only(use_dust: bool) {
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let (our_payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1]], if use_dust { 50000 } else { 3000000 });
fn do_htlc_claim_current_remote_commitment_only(use_dust: bool) {
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &Vec::new(), if use_dust { 50000 } else { 3000000 }, TEST_FINAL_CLTV).unwrap();
let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]);
fn do_htlc_claim_previous_remote_commitment_only(use_dust: bool, check_revoke_no_close: bool) {
let nodes = create_network(3, &[None, None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Fail the payment, but don't deliver A's final RAA, resulting in the HTLC only being present
// in B's previous (unrevoked) commitment transaction, but none of A's commitment transactions.
for node in nodes.iter() {
*node.keys_manager.override_session_priv.lock().unwrap() = Some(SecretKey::from_slice(&[3; 32]).unwrap());
}
- let channels = [create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new()), create_announced_chan_between_nodes(&nodes, 1, 2, LocalFeatures::new(), LocalFeatures::new())];
+ let channels = [create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()), create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::supported(), InitFeatures::supported())];
let (_, payment_hash) = get_payment_preimage_hash!(nodes[0]);
let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 40000, TEST_FINAL_CLTV).unwrap();
// positve case
let push_msat=10001;
nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), channel_value_satoshis, push_msat, 42).unwrap();
let node0_to_1_send_open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
- nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &node0_to_1_send_open_channel);
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &node0_to_1_send_open_channel);
//Create a second channel with a channel_id collision
assert!(nodes[0].node.create_channel(nodes[0].node.get_our_node_id(), channel_value_satoshis, push_msat, 42).is_err());
//BOLT2 Requirement: MUST offer amount_msat greater than 0.
//BOLT2 Requirement: MUST NOT offer amount_msat below the receiving node's htlc_minimum_msat (same validation check catches both of these)
let mut nodes = create_network(2, &[None, None]);
- let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, LocalFeatures::new(), LocalFeatures::new());
+ let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
let mut route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
//BOLT 2 Requirement: MUST set cltv_expiry less than 500000000.
//It is enforced when constructing a route.
let mut nodes = create_network(2, &[None, None]);
- let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 0, LocalFeatures::new(), LocalFeatures::new());
+ let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 0, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 100000000, 500000001).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
//BOLT 2 Requirement: for the first HTLC it offers MUST set id to 0.
//BOLT 2 Requirement: MUST increase the value of id by 1 for each successive offer.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 0, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 0, InitFeatures::supported(), InitFeatures::supported());
let max_accepted_htlcs = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().their_max_accepted_htlcs as u64;
for i in 0..max_accepted_htlcs {
//BOLT 2 Requirement: if the sum of total offered HTLCs would exceed the remote's max_htlc_value_in_flight_msat: MUST NOT add an HTLC.
let mut nodes = create_network(2, &[None, None]);
let channel_value = 100000;
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 0, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, channel_value, 0, InitFeatures::supported(), InitFeatures::supported());
let max_in_flight = get_channel_value_stat!(nodes[0], chan.2).their_max_htlc_value_in_flight_msat;
send_payment(&nodes[0], &vec!(&nodes[1])[..], max_in_flight, max_in_flight);
fn test_update_add_htlc_bolt2_receiver_check_amount_received_more_than_min() {
//BOLT2 Requirement: receiving an amount_msat equal to 0, OR less than its own htlc_minimum_msat -> SHOULD fail the channel.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
let htlc_minimum_msat: u64;
{
let chan_lock = nodes[0].node.channel_state.lock().unwrap();
fn test_update_add_htlc_bolt2_receiver_sender_can_afford_amount_sent() {
//BOLT2 Requirement: receiving an amount_msat that the sending node cannot afford at the current feerate_per_kw (while maintaining its channel reserve): SHOULD fail the channel
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
let their_channel_reserve = get_channel_value_stat!(nodes[0], chan.2).channel_reserve_msat;
//BOLT 2 Requirement: if a sending node adds more than its max_accepted_htlcs HTLCs to its local commitment transaction: SHOULD fail the channel
//BOLT 2 Requirement: MUST allow multiple HTLCs with the same payment_hash.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 3999999, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
fn test_update_add_htlc_bolt2_receiver_check_max_in_flight_msat() {
//OR adds more than its max_htlc_value_in_flight_msat worth of offered HTLCs to its local commitment transaction: SHOULD fail the channel
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
nodes[0].node.send_payment(route, our_payment_hash).unwrap();
fn test_update_add_htlc_bolt2_receiver_check_cltv_expiry() {
//BOLT2 Requirement: if sending node sets cltv_expiry to greater or equal to 500000000: SHOULD fail the channel.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 3999999, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
nodes[0].node.send_payment(route, our_payment_hash).unwrap();
// We test this by first testing that that repeated HTLCs pass commitment signature checks
// after disconnect and that non-sequential htlc_ids result in a channel failure.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
nodes[0].node.send_payment(route, our_payment_hash).unwrap();
//BOLT 2 Requirement: until the corresponding HTLC is irrevocably committed in both sides' commitment transactions: MUST NOT send an update_fulfill_htlc, update_fail_htlc, or update_fail_malformed_htlc.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
//BOLT 2 Requirement: until the corresponding HTLC is irrevocably committed in both sides' commitment transactions: MUST NOT send an update_fulfill_htlc, update_fail_htlc, or update_fail_malformed_htlc.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
//BOLT 2 Requirement: until the corresponding HTLC is irrevocably committed in both sides' commitment transactions: MUST NOT send an update_fulfill_htlc, update_fail_htlc, or update_fail_malformed_htlc.
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
//BOLT 2 Requirement: A receiving node: if the id does not correspond to an HTLC in its current commitment transaction MUST fail the channel.
let nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let our_payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 100000).0;
//BOLT 2 Requirement: A receiving node: if the payment_preimage value in update_fulfill_htlc doesn't SHA256 hash to the corresponding HTLC payment_hash MUST fail the channel.
let nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let our_payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 100000).0;
//BOLT 2 Requirement: A receiving node: if the BADONION bit in failure_code is not set for update_fail_malformed_htlc MUST fail the channel.
let mut nodes = create_network(2, &[None, None]);
- create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 1000000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
nodes[0].node.send_payment(route, our_payment_hash).unwrap();
// * MUST return an error in the update_fail_htlc sent to the link which originally sent the HTLC, using the failure_code given and setting the data to sha256_of_onion.
let mut nodes = create_network(3, &[None, None, None]);
- create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, LocalFeatures::new(), LocalFeatures::new());
- create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1000000, 1000000, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::supported(), InitFeatures::supported());
+ create_announced_chan_between_nodes_with_value(&nodes, 1, 2, 1000000, 1000000, InitFeatures::supported(), InitFeatures::supported());
let route = nodes[0].router.get_route(&nodes[2].node.get_our_node_id(), None, &Vec::new(), 100000, TEST_FINAL_CLTV).unwrap();
let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
// HTLC could have been removed from lastest local commitment tx but still valid until we get remote RAA
let nodes = create_network(2, &[None, None]);
- let chan =create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan =create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis;
// prone to error, we test here that a dummy transaction don't fail them.
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
// Rebalance a bit
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
// Broadcast of HTLC-timeout tx on local commitment tx, trigger failure-update of non-dust HTLCs
let nodes = create_network(3, &[None, None, None]);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let bs_dust_limit = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan.2).unwrap().our_dust_limit_satoshis;
let nodes = create_network(3, &cfgs);
// We test that in case of peer committing upfront to a script, if it changes at closing, we refuse to sign
- let flags = LocalFeatures::new();
+ let flags = InitFeatures::supported();
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 1000000, 1000000, flags.clone(), flags.clone());
nodes[0].node.close_channel(&OutPoint::new(chan.3.txid(), 0).to_channel_id()).unwrap();
let mut node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[2].node.get_our_node_id());
}
// We test that if case of peer non-signaling we don't enforce committed script at channel opening
- let mut flags_no = LocalFeatures::new();
+ let mut flags_no = InitFeatures::supported();
flags_no.unset_upfront_shutdown_script();
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, flags_no, flags.clone());
nodes[0].node.close_channel(&OutPoint::new(chan.3.txid(), 0).to_channel_id()).unwrap();
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), LocalFeatures::new(), &open_channel, 0, Arc::new(test_utils::TestLogger::new()), &low_our_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::supported(), &open_channel, 0, Arc::new(test_utils::TestLogger::new()), &low_our_to_self_config) {
match error {
ChannelError::Close(err) => { assert_eq!(err, "Configured with an unreasonable our_to_self_delay putting user funds at risks"); },
_ => panic!("Unexpected event"),
// We test msg.to_self_delay <= config.their_to_self_delay is enforced in Chanel::accept_channel()
nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1000000, 1000000, 42).unwrap();
- nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()));
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::supported(), &get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()));
let mut accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
accept_channel.to_self_delay = 200;
- nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), LocalFeatures::new(), &accept_channel);
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::supported(), &accept_channel);
if let MessageSendEvent::HandleError { ref action, .. } = nodes[0].node.get_and_clear_pending_msg_events()[0] {
match action {
&ErrorAction::SendErrorMessage { ref msg } => {
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), LocalFeatures::new(), &open_channel, 0, Arc::new(test_utils::TestLogger::new()), &high_their_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::supported(), &open_channel, 0, Arc::new(test_utils::TestLogger::new()), &high_their_to_self_config) {
match error {
ChannelError::Close(err) => { assert_eq!(err, "They wanted our payments to be delayed by a needlessly long period"); },
_ => panic!("Unexpected event"),
// * we are able to claim our own outputs thanks to remote my_current_per_commitment_point
let mut nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::supported(), InitFeatures::supported());
// Cache node A state before any channel update
let previous_node_state = nodes[0].node.encode();
let nodes = create_network(2, &[None, None, None]);
// Create some initial channels
- create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported());
let (payment_preimage, _) = route_payment(&nodes[0], &[&nodes[1]], 10_000);
let nodes = create_network(2, &[None, None]);
- let short_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new()).0.contents.short_channel_id;
- let short_id_2 = create_announced_chan_between_nodes(&nodes, 1, 0, LocalFeatures::new(), LocalFeatures::new()).0.contents.short_channel_id;
- let short_id_3 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new()).0.contents.short_channel_id;
+ let short_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let short_id_2 = create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
+ let short_id_3 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::supported(), InitFeatures::supported()).0.contents.short_channel_id;
// Disconnect peers
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
let route = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 3000000, 30).unwrap();
send_along_route(&nodes[1], route, &vec!(&nodes[0])[..], 3000000);
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::supported(), InitFeatures::supported());
// Lock HTLC in both directions
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3_000_000).0;
route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
route_payment(&nodes[1], &vec!(&nodes[0])[..], 3000000).0;
// - disconnect tx, see no tx anymore
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::supported(), InitFeatures::supported());
let payment_preimage_1 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
let payment_preimage_2 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
let nodes = create_network(2, &[None, None]);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, LocalFeatures::new(), LocalFeatures::new());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::supported(), InitFeatures::supported());
// Lock HTLC in both directions
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9_000_000).0;
route_payment(&nodes[1], &vec!(&nodes[0])[..], 9_000_000).0;
#[cfg(not(feature = "fuzztarget"))]
pub(crate) mod peer_channel_encryptor;
+#[cfg(feature = "fuzztarget")]
+pub mod features;
+#[cfg(not(feature = "fuzztarget"))]
+pub(crate) mod features;
+
mod channel;
mod onion_utils;
use bitcoin_hashes::sha256d::Hash as Sha256dHash;
use bitcoin::blockdata::script::Script;
+use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
+
use std::error::Error;
use std::{cmp, fmt};
use std::io::Read;
Io(::std::io::Error),
}
-/// Tracks localfeatures which are only in init messages
-#[derive(Clone, PartialEq)]
-pub struct LocalFeatures {
- flags: Vec<u8>,
-}
-
-impl LocalFeatures {
- /// Create a blank LocalFeatures flags (visibility extended for fuzz tests)
- #[cfg(not(feature = "fuzztarget"))]
- pub(crate) fn new() -> LocalFeatures {
- LocalFeatures {
- flags: vec![2 | 1 << 5],
- }
- }
- #[cfg(feature = "fuzztarget")]
- pub fn new() -> LocalFeatures {
- LocalFeatures {
- flags: vec![2 | 1 << 5],
- }
- }
-
- pub(crate) fn supports_data_loss_protect(&self) -> bool {
- self.flags.len() > 0 && (self.flags[0] & 3) != 0
- }
- pub(crate) fn initial_routing_sync(&self) -> bool {
- self.flags.len() > 0 && (self.flags[0] & (1 << 3)) != 0
- }
- pub(crate) fn set_initial_routing_sync(&mut self) {
- if self.flags.len() == 0 {
- self.flags.resize(1, 1 << 3);
- } else {
- self.flags[0] |= 1 << 3;
- }
- }
-
- pub(crate) fn supports_upfront_shutdown_script(&self) -> bool {
- self.flags.len() > 0 && (self.flags[0] & (3 << 4)) != 0
- }
- #[cfg(test)]
- pub(crate) fn unset_upfront_shutdown_script(&mut self) {
- self.flags[0] ^= 1 << 5;
- }
-
- pub(crate) fn requires_unknown_bits(&self) -> bool {
- self.flags.iter().enumerate().any(|(idx, &byte)| {
- ( idx != 0 && (byte & 0x55) != 0 ) || ( idx == 0 && (byte & 0x14) != 0 )
- })
- }
-
- pub(crate) fn supports_unknown_bits(&self) -> bool {
- self.flags.iter().enumerate().any(|(idx, &byte)| {
- ( idx != 0 && byte != 0 ) || ( idx == 0 && (byte & 0xc4) != 0 )
- })
- }
-}
-
-/// Tracks globalfeatures which are in init messages and routing announcements
-#[derive(Clone, PartialEq, Debug)]
-pub struct GlobalFeatures {
- #[cfg(not(test))]
- flags: Vec<u8>,
- // Used to test encoding of diverse msgs
- #[cfg(test)]
- pub flags: Vec<u8>
-}
-
-impl GlobalFeatures {
- pub(crate) fn new() -> GlobalFeatures {
- GlobalFeatures {
- flags: Vec::new(),
- }
- }
-
- pub(crate) fn requires_unknown_bits(&self) -> bool {
- for &byte in self.flags.iter() {
- if (byte & 0x55) != 0 {
- return true;
- }
- }
- return false;
- }
-
- pub(crate) fn supports_unknown_bits(&self) -> bool {
- for &byte in self.flags.iter() {
- if byte != 0 {
- return true;
- }
- }
- return false;
- }
-}
-
/// An init message to be sent or received from a peer
pub struct Init {
- pub(crate) global_features: GlobalFeatures,
- pub(crate) local_features: LocalFeatures,
+ pub(crate) features: InitFeatures,
}
/// An error message to be sent or received from a peer
/// The unsigned part of a node_announcement
#[derive(PartialEq, Clone, Debug)]
pub struct UnsignedNodeAnnouncement {
- pub(crate) features: GlobalFeatures,
+ pub(crate) features: NodeFeatures,
pub(crate) timestamp: u32,
/// The node_id this announcement originated from (don't rebroadcast the node_announcement back
/// to this node).
/// The unsigned part of a channel_announcement
#[derive(PartialEq, Clone, Debug)]
pub struct UnsignedChannelAnnouncement {
- pub(crate) features: GlobalFeatures,
+ pub(crate) features: ChannelFeatures,
pub(crate) chain_hash: Sha256dHash,
pub(crate) short_channel_id: u64,
/// One of the two node_ids which are endpoints of this channel
pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Sync {
//Channel init:
/// Handle an incoming open_channel message from the given peer.
- fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &OpenChannel);
+ fn handle_open_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &OpenChannel);
/// Handle an incoming accept_channel message from the given peer.
- fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &AcceptChannel);
+ fn handle_accept_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &AcceptChannel);
/// Handle an incoming funding_created message from the given peer.
fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &FundingCreated);
/// Handle an incoming funding_signed message from the given peer.
next_per_commitment_point
});
-impl_writeable_len_match!(GlobalFeatures, {
- { GlobalFeatures { ref flags }, flags.len() + 2 }
- }, {
- flags
-});
-
-impl_writeable_len_match!(LocalFeatures, {
- { LocalFeatures { ref flags }, flags.len() + 2 }
- }, {
- flags
-});
+impl Writeable for Init {
+ fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
+ // global_features gets the bottom 13 bits of our features, and local_features gets all of
+ // our relevant feature bits. This keeps us compatible with old nodes.
+ self.features.write_up_to_13(w)?;
+ self.features.write(w)
+ }
+}
-impl_writeable_len_match!(Init, {
- { Init { ref global_features, ref local_features }, global_features.flags.len() + local_features.flags.len() + 4 }
- }, {
- global_features,
- local_features
-});
+impl<R: Read> Readable<R> for Init {
+ fn read(r: &mut R) -> Result<Self, DecodeError> {
+ let global_features: InitFeatures = Readable::read(r)?;
+ let features: InitFeatures = Readable::read(r)?;
+ Ok(Init {
+ features: features.or(global_features),
+ })
+ }
+}
impl_writeable_len_match!(OpenChannel, {
{ OpenChannel { shutdown_scriptpubkey: OptionalField::Present(ref script), .. }, 319 + 2 + script.len() },
impl Writeable for UnsignedChannelAnnouncement {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
- w.size_hint(2 + 2*32 + 4*33 + self.features.flags.len() + self.excess_data.len());
+ w.size_hint(2 + 2*32 + 4*33 + self.features.byte_count() + self.excess_data.len());
self.features.write(w)?;
self.chain_hash.write(w)?;
self.short_channel_id.write(w)?;
impl<R: Read> Readable<R> for UnsignedChannelAnnouncement {
fn read(r: &mut R) -> Result<Self, DecodeError> {
Ok(Self {
- features: {
- let f: GlobalFeatures = Readable::read(r)?;
- if f.requires_unknown_bits() {
- return Err(DecodeError::UnknownRequiredFeature);
- }
- f
- },
+ features: Readable::read(r)?,
chain_hash: Readable::read(r)?,
short_channel_id: Readable::read(r)?,
node_id_1: Readable::read(r)?,
impl_writeable_len_match!(ChannelAnnouncement, {
{ ChannelAnnouncement { contents: UnsignedChannelAnnouncement {ref features, ref excess_data, ..}, .. },
- 2 + 2*32 + 4*33 + features.flags.len() + excess_data.len() + 4*64 }
+ 2 + 2*32 + 4*33 + features.byte_count() + excess_data.len() + 4*64 }
}, {
node_signature_1,
node_signature_2,
impl Writeable for UnsignedNodeAnnouncement {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), ::std::io::Error> {
- w.size_hint(64 + 76 + self.features.flags.len() + self.addresses.len()*38 + self.excess_address_data.len() + self.excess_data.len());
+ w.size_hint(64 + 76 + self.features.byte_count() + self.addresses.len()*38 + self.excess_address_data.len() + self.excess_data.len());
self.features.write(w)?;
self.timestamp.write(w)?;
self.node_id.write(w)?;
impl<R: Read> Readable<R> for UnsignedNodeAnnouncement {
fn read(r: &mut R) -> Result<Self, DecodeError> {
- let features: GlobalFeatures = Readable::read(r)?;
- if features.requires_unknown_bits() {
- return Err(DecodeError::UnknownRequiredFeature);
- }
+ let features: NodeFeatures = Readable::read(r)?;
let timestamp: u32 = Readable::read(r)?;
let node_id: PublicKey = Readable::read(r)?;
let mut rgb = [0; 3];
impl_writeable_len_match!(NodeAnnouncement, {
{ NodeAnnouncement { contents: UnsignedNodeAnnouncement { ref features, ref addresses, ref excess_address_data, ref excess_data, ..}, .. },
- 64 + 76 + features.flags.len() + addresses.len()*38 + excess_address_data.len() + excess_data.len() }
+ 64 + 76 + features.byte_count() + addresses.len()*38 + excess_address_data.len() + excess_data.len() }
}, {
signature,
contents
mod tests {
use hex;
use ln::msgs;
- use ln::msgs::{GlobalFeatures, LocalFeatures, OptionalField, OnionErrorPacket};
+ use ln::msgs::{ChannelFeatures, InitFeatures, NodeFeatures, OptionalField, OnionErrorPacket};
use ln::channelmanager::{PaymentPreimage, PaymentHash};
use util::ser::Writeable;
let sig_2 = get_sig_on!(privkey_2, secp_ctx, String::from("01010101010101010101010101010101"));
let sig_3 = get_sig_on!(privkey_3, secp_ctx, String::from("01010101010101010101010101010101"));
let sig_4 = get_sig_on!(privkey_4, secp_ctx, String::from("01010101010101010101010101010101"));
- let mut features = GlobalFeatures::new();
+ let mut features = ChannelFeatures::supported();
if unknown_features_bits {
- features.flags = vec![0xFF, 0xFF];
+ features = ChannelFeatures::from_le_bytes(vec![0xFF, 0xFF]);
}
let unsigned_channel_announcement = msgs::UnsignedChannelAnnouncement {
features,
let secp_ctx = Secp256k1::new();
let (privkey_1, pubkey_1) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
let sig_1 = get_sig_on!(privkey_1, secp_ctx, String::from("01010101010101010101010101010101"));
- let mut features = GlobalFeatures::new();
- if unknown_features_bits {
- features.flags = vec![0xFF, 0xFF];
- }
+ let features = if unknown_features_bits {
+ NodeFeatures::from_le_bytes(vec![0xFF, 0xFF])
+ } else {
+ // Set to some features we may support
+ NodeFeatures::from_le_bytes(vec![2 | 1 << 5])
+ };
let mut addresses = Vec::new();
if ipv4 {
addresses.push(msgs::NetAddress::IPv4 {
if unknown_features_bits {
target_value.append(&mut hex::decode("0002ffff").unwrap());
} else {
- target_value.append(&mut hex::decode("0000").unwrap());
+ target_value.append(&mut hex::decode("000122").unwrap());
}
target_value.append(&mut hex::decode("013413a7031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f2020201010101010101010101010101010101010101010101010101010101010101010").unwrap());
target_value.append(&mut vec![(addr_len >> 8) as u8, addr_len as u8]);
assert_eq!(encoded_value, target_value);
}
- fn do_encoding_init(unknown_global_bits: bool, initial_routing_sync: bool) {
- let mut global = GlobalFeatures::new();
- if unknown_global_bits {
- global.flags = vec![0xFF, 0xFF];
- }
- let mut local = LocalFeatures::new();
- if initial_routing_sync {
- local.set_initial_routing_sync();
- }
- let init = msgs::Init {
- global_features: global,
- local_features: local,
- };
- let encoded_value = init.encode();
- let mut target_value = Vec::new();
- if unknown_global_bits {
- target_value.append(&mut hex::decode("0002ffff").unwrap());
- } else {
- target_value.append(&mut hex::decode("0000").unwrap());
- }
- if initial_routing_sync {
- target_value.append(&mut hex::decode("00012a").unwrap());
- } else {
- target_value.append(&mut hex::decode("000122").unwrap());
- }
- assert_eq!(encoded_value, target_value);
- }
-
#[test]
fn encoding_init() {
- do_encoding_init(false, false);
- do_encoding_init(true, false);
- do_encoding_init(false, true);
- do_encoding_init(true, true);
+ assert_eq!(msgs::Init {
+ features: InitFeatures::from_le_bytes(vec![0xFF, 0xFF, 0xFF]),
+ }.encode(), hex::decode("00023fff0003ffffff").unwrap());
+ assert_eq!(msgs::Init {
+ features: InitFeatures::from_le_bytes(vec![0xFF]),
+ }.encode(), hex::decode("0001ff0001ff").unwrap());
+ assert_eq!(msgs::Init {
+ features: InitFeatures::from_le_bytes(vec![]),
+ }.encode(), hex::decode("00000000").unwrap());
}
#[test]
use secp256k1::key::{SecretKey,PublicKey};
+use ln::features::InitFeatures;
use ln::msgs;
use util::ser::{Writeable, Writer, Readable};
use ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
channel_encryptor: PeerChannelEncryptor,
outbound: bool,
their_node_id: Option<PublicKey>,
- their_global_features: Option<msgs::GlobalFeatures>,
- their_local_features: Option<msgs::LocalFeatures>,
+ their_features: Option<InitFeatures>,
pending_outbound_buffer: LinkedList<Vec<u8>>,
pending_outbound_buffer_first_msg_offset: usize,
pub fn get_peer_node_ids(&self) -> Vec<PublicKey> {
let peers = self.peers.lock().unwrap();
peers.peers.values().filter_map(|p| {
- if !p.channel_encryptor.is_ready_for_encryption() || p.their_global_features.is_none() {
+ if !p.channel_encryptor.is_ready_for_encryption() || p.their_features.is_none() {
return None;
}
p.their_node_id
channel_encryptor: peer_encryptor,
outbound: true,
their_node_id: None,
- their_global_features: None,
- their_local_features: None,
+ their_features: None,
pending_outbound_buffer: LinkedList::new(),
pending_outbound_buffer_first_msg_offset: 0,
channel_encryptor: peer_encryptor,
outbound: false,
their_node_id: None,
- their_global_features: None,
- their_local_features: None,
+ their_features: None,
pending_outbound_buffer: LinkedList::new(),
pending_outbound_buffer_first_msg_offset: 0,
peer.their_node_id = Some(their_node_id);
insert_node_id!();
- let mut local_features = msgs::LocalFeatures::new();
+ let mut features = InitFeatures::supported();
if self.initial_syncs_sent.load(Ordering::Acquire) < INITIAL_SYNCS_TO_SEND {
self.initial_syncs_sent.fetch_add(1, Ordering::AcqRel);
- local_features.set_initial_routing_sync();
+ features.set_initial_routing_sync();
}
encode_and_send_msg!(msgs::Init {
- global_features: msgs::GlobalFeatures::new(),
- local_features,
+ features,
}, 16);
},
NextNoiseStep::ActThree => {
let msg_type = byte_utils::slice_to_be16(&msg_data[0..2]);
log_trace!(self, "Received message of type {} from {}", msg_type, log_pubkey!(peer.their_node_id.unwrap()));
- if msg_type != 16 && peer.their_global_features.is_none() {
+ if msg_type != 16 && peer.their_features.is_none() {
// Need an init message as first message
log_trace!(self, "Peer {} sent non-Init first message", log_pubkey!(peer.their_node_id.unwrap()));
return Err(PeerHandleError{ no_connection_possible: false });
// Connection control:
16 => {
let msg = try_potential_decodeerror!(msgs::Init::read(&mut reader));
- if msg.global_features.requires_unknown_bits() {
+ if msg.features.requires_unknown_bits() {
log_info!(self, "Peer global features required unknown version bits");
return Err(PeerHandleError{ no_connection_possible: true });
}
- if msg.local_features.requires_unknown_bits() {
+ if msg.features.requires_unknown_bits() {
log_info!(self, "Peer local features required unknown version bits");
return Err(PeerHandleError{ no_connection_possible: true });
}
- if peer.their_global_features.is_some() {
+ if peer.their_features.is_some() {
return Err(PeerHandleError{ no_connection_possible: false });
}
log_info!(self, "Received peer Init message: data_loss_protect: {}, initial_routing_sync: {}, upfront_shutdown_script: {}, unkown local flags: {}, unknown global flags: {}",
- if msg.local_features.supports_data_loss_protect() { "supported" } else { "not supported"},
- if msg.local_features.initial_routing_sync() { "requested" } else { "not requested" },
- if msg.local_features.supports_upfront_shutdown_script() { "supported" } else { "not supported"},
- if msg.local_features.supports_unknown_bits() { "present" } else { "none" },
- if msg.global_features.supports_unknown_bits() { "present" } else { "none" });
+ if msg.features.supports_data_loss_protect() { "supported" } else { "not supported"},
+ if msg.features.initial_routing_sync() { "requested" } else { "not requested" },
+ if msg.features.supports_upfront_shutdown_script() { "supported" } else { "not supported"},
+ if msg.features.supports_unknown_bits() { "present" } else { "none" },
+ if msg.features.supports_unknown_bits() { "present" } else { "none" });
- if msg.local_features.initial_routing_sync() {
+ if msg.features.initial_routing_sync() {
peer.sync_status = InitSyncTracker::ChannelsSyncing(0);
peers.peers_needing_send.insert(peer_descriptor.clone());
}
- peer.their_global_features = Some(msg.global_features);
- peer.their_local_features = Some(msg.local_features);
+ peer.their_features = Some(msg.features);
if !peer.outbound {
- let mut local_features = msgs::LocalFeatures::new();
+ let mut features = InitFeatures::supported();
if self.initial_syncs_sent.load(Ordering::Acquire) < INITIAL_SYNCS_TO_SEND {
self.initial_syncs_sent.fetch_add(1, Ordering::AcqRel);
- local_features.set_initial_routing_sync();
+ features.set_initial_routing_sync();
}
encode_and_send_msg!(msgs::Init {
- global_features: msgs::GlobalFeatures::new(),
- local_features,
+ features,
}, 16);
}
// Channel control:
32 => {
let msg = try_potential_decodeerror!(msgs::OpenChannel::read(&mut reader));
- self.message_handler.chan_handler.handle_open_channel(&peer.their_node_id.unwrap(), peer.their_local_features.clone().unwrap(), &msg);
+ self.message_handler.chan_handler.handle_open_channel(&peer.their_node_id.unwrap(), peer.their_features.clone().unwrap(), &msg);
},
33 => {
let msg = try_potential_decodeerror!(msgs::AcceptChannel::read(&mut reader));
- self.message_handler.chan_handler.handle_accept_channel(&peer.their_node_id.unwrap(), peer.their_local_features.clone().unwrap(), &msg);
+ self.message_handler.chan_handler.handle_accept_channel(&peer.their_node_id.unwrap(), peer.their_features.clone().unwrap(), &msg);
},
34 => {
};
match peers.peers.get_mut(&descriptor) {
Some(peer) => {
- if peer.their_global_features.is_none() {
+ if peer.their_features.is_none() {
$handle_no_such_peer;
continue;
}
let encoded_update_msg = encode_msg!(update_msg, 258);
for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
- if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_global_features.is_none() ||
+ if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() ||
!peer.should_forward_channel(msg.contents.short_channel_id) {
continue
}
let encoded_msg = encode_msg!(msg, 258);
for (ref descriptor, ref mut peer) in peers.peers.iter_mut() {
- if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_global_features.is_none() ||
+ if !peer.channel_encryptor.is_ready_for_encryption() || peer.their_features.is_none() ||
!peer.should_forward_channel(msg.contents.short_channel_id) {
continue
}
use chain::chaininterface::{ChainError, ChainWatchInterface};
use ln::channelmanager;
-use ln::msgs::{DecodeError,ErrorAction,LightningError,RoutingMessageHandler,NetAddress,GlobalFeatures};
+use ln::features::{ChannelFeatures, NodeFeatures};
+use ln::msgs::{DecodeError,ErrorAction,LightningError,RoutingMessageHandler,NetAddress};
use ln::msgs;
use util::ser::{Writeable, Readable, Writer, ReadableArgs};
use util::logger::Logger;
#[derive(PartialEq)]
struct ChannelInfo {
- features: GlobalFeatures,
+ features: ChannelFeatures,
one_to_two: DirectionalChannelInfo,
two_to_one: DirectionalChannelInfo,
//this is cached here so we can send out it later if required by route_init_sync
lowest_inbound_channel_fee_base_msat: u32,
lowest_inbound_channel_fee_proportional_millionths: u32,
- features: GlobalFeatures,
+ features: NodeFeatures,
last_update: u32,
rgb: [u8; 3],
alias: [u8; 32],
let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &msg.contents.node_id);
- if msg.contents.features.requires_unknown_bits() {
- panic!("Unknown-required-features NodeAnnouncements should never deserialize!");
- }
-
let mut network = self.network_map.write().unwrap();
match network.nodes.get_mut(&msg.contents.node_id) {
None => Err(LightningError{err: "No existing channels for node_announcement", action: ErrorAction::IgnoreError}),
node.alias = msg.contents.alias;
node.addresses = msg.contents.addresses.clone();
- let should_relay = msg.contents.excess_data.is_empty() && msg.contents.excess_address_data.is_empty() && !msg.contents.features.supports_unknown_bits();
+ let should_relay = msg.contents.excess_data.is_empty() && msg.contents.excess_address_data.is_empty();
node.announcement_message = if should_relay { Some(msg.clone()) } else { None };
Ok(should_relay)
}
secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_1, &msg.contents.bitcoin_key_1);
secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.bitcoin_signature_2, &msg.contents.bitcoin_key_2);
- if msg.contents.features.requires_unknown_bits() {
- panic!("Unknown-required-features ChannelAnnouncements should never deserialize!");
- }
-
let checked_utxo = match self.chain_monitor.get_chain_utxo(msg.contents.chain_hash, msg.contents.short_channel_id) {
Ok((script_pubkey, _value)) => {
let expected_script = Builder::new().push_opcode(opcodes::all::OP_PUSHNUM_2)
let mut network_lock = self.network_map.write().unwrap();
let network = network_lock.borrow_parts();
- let should_relay = msg.contents.excess_data.is_empty() && !msg.contents.features.supports_unknown_bits();
+ let should_relay = msg.contents.excess_data.is_empty();
let chan_info = ChannelInfo {
features: msg.contents.features.clone(),
channels: vec!(NetworkMap::get_key(msg.contents.short_channel_id, msg.contents.chain_hash)),
lowest_inbound_channel_fee_base_msat: u32::max_value(),
lowest_inbound_channel_fee_proportional_millionths: u32::max_value(),
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 0,
rgb: [0; 3],
alias: [0; 32],
channels: Vec::new(),
lowest_inbound_channel_fee_base_msat: u32::max_value(),
lowest_inbound_channel_fee_proportional_millionths: u32::max_value(),
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 0,
rgb: [0; 3],
alias: [0; 32],
}
}
- for chan_id in $node.channels.iter() {
- let chan = network.channels.get(chan_id).unwrap();
- if chan.one_to_two.src_node_id == *$node_id {
- // ie $node is one, ie next hop in A* is two, via the two_to_one channel
- if first_hops.is_none() || chan.two_to_one.src_node_id != network.our_node_id {
- if chan.two_to_one.enabled {
- add_entry!(chan_id, chan.one_to_two.src_node_id, chan.two_to_one, $fee_to_target_msat);
- }
- }
- } else {
- if first_hops.is_none() || chan.one_to_two.src_node_id != network.our_node_id {
- if chan.one_to_two.enabled {
- add_entry!(chan_id, chan.two_to_one.src_node_id, chan.one_to_two, $fee_to_target_msat);
+ if !$node.features.requires_unknown_bits() {
+ for chan_id in $node.channels.iter() {
+ let chan = network.channels.get(chan_id).unwrap();
+ if !chan.features.requires_unknown_bits() {
+ if chan.one_to_two.src_node_id == *$node_id {
+ // ie $node is one, ie next hop in A* is two, via the two_to_one channel
+ if first_hops.is_none() || chan.two_to_one.src_node_id != network.our_node_id {
+ if chan.two_to_one.enabled {
+ add_entry!(chan_id, chan.one_to_two.src_node_id, chan.two_to_one, $fee_to_target_msat);
+ }
+ }
+ } else {
+ if first_hops.is_none() || chan.one_to_two.src_node_id != network.our_node_id {
+ if chan.one_to_two.enabled {
+ add_entry!(chan_id, chan.two_to_one.src_node_id, chan.one_to_two, $fee_to_target_msat);
+ }
+ }
}
}
}
use chain::chaininterface;
use ln::channelmanager;
use ln::router::{Router,NodeInfo,NetworkMap,ChannelInfo,DirectionalChannelInfo,RouteHint};
- use ln::msgs::GlobalFeatures;
+ use ln::features::{ChannelFeatures, NodeFeatures};
+ use ln::msgs::{LightningError, ErrorAction};
use util::test_utils;
use util::test_utils::TestVecWriter;
use util::logger::Logger;
channels: vec!(NetworkMap::get_key(1, zero_hash.clone()), NetworkMap::get_key(3, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 100,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(1, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: our_id.clone(),
last_update: 0,
channels: vec!(NetworkMap::get_key(2, zero_hash.clone()), NetworkMap::get_key(4, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(2, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: our_id.clone(),
last_update: 0,
channels: vec!(NetworkMap::get_key(12, zero_hash.clone()), NetworkMap::get_key(13, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(12, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: our_id.clone(),
last_update: 0,
NetworkMap::get_key(7, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(3, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node1.clone(),
last_update: 0,
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(4, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node2.clone(),
last_update: 0,
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(13, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node8.clone(),
last_update: 0,
channels: vec!(NetworkMap::get_key(5, zero_hash.clone()), NetworkMap::get_key(11, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(5, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node3.clone(),
last_update: 0,
channels: vec!(NetworkMap::get_key(6, zero_hash.clone()), NetworkMap::get_key(11, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(6, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node3.clone(),
last_update: 0,
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(11, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node5.clone(),
last_update: 0,
channels: vec!(NetworkMap::get_key(7, zero_hash.clone())),
lowest_inbound_channel_fee_base_msat: 0,
lowest_inbound_channel_fee_proportional_millionths: 0,
- features: GlobalFeatures::new(),
+ features: NodeFeatures::empty(),
last_update: 1,
rgb: [0; 3],
alias: [0; 32],
announcement_message: None,
});
network.channels.insert(NetworkMap::get_key(7, zero_hash.clone()), ChannelInfo {
- features: GlobalFeatures::new(),
+ features: ChannelFeatures::empty(),
one_to_two: DirectionalChannelInfo {
src_node_id: node3.clone(),
last_update: 0,
assert_eq!(route.hops[1].cltv_expiry_delta, 42);
}
+ { // Disable channels 4 and 12 by requiring unknown feature bits
+ let mut network = router.network_map.write().unwrap();
+ network.channels.get_mut(&NetworkMap::get_key(4, zero_hash.clone())).unwrap().features.set_require_unknown_bits();
+ network.channels.get_mut(&NetworkMap::get_key(12, zero_hash.clone())).unwrap().features.set_require_unknown_bits();
+ }
+
+ { // If all the channels require some features we don't understand, route should fail
+ if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = router.get_route(&node3, None, &Vec::new(), 100, 42) {
+ assert_eq!(err, "Failed to find a path to the given destination");
+ } else { panic!(); }
+ }
+
+ { // If we specify a channel to node8, that overrides our local channel view and that gets used
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node8.clone(),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = router.get_route(&node3, Some(&our_chans), &Vec::new(), 100, 42).unwrap();
+ assert_eq!(route.hops.len(), 2);
+
+ assert_eq!(route.hops[0].pubkey, node8);
+ assert_eq!(route.hops[0].short_channel_id, 42);
+ assert_eq!(route.hops[0].fee_msat, 200);
+ assert_eq!(route.hops[0].cltv_expiry_delta, (13 << 8) | 1);
+
+ assert_eq!(route.hops[1].pubkey, node3);
+ assert_eq!(route.hops[1].short_channel_id, 13);
+ assert_eq!(route.hops[1].fee_msat, 100);
+ assert_eq!(route.hops[1].cltv_expiry_delta, 42);
+ }
+
+ { // Re-enable channels 4 and 12 by wiping the unknown feature bits
+ let mut network = router.network_map.write().unwrap();
+ network.channels.get_mut(&NetworkMap::get_key(4, zero_hash.clone())).unwrap().features.clear_require_unknown_bits();
+ network.channels.get_mut(&NetworkMap::get_key(12, zero_hash.clone())).unwrap().features.clear_require_unknown_bits();
+ }
+
+ { // Disable nodes 1, 2, and 8 by requiring unknown feature bits
+ let mut network = router.network_map.write().unwrap();
+ network.nodes.get_mut(&node1).unwrap().features.set_require_unknown_bits();
+ network.nodes.get_mut(&node2).unwrap().features.set_require_unknown_bits();
+ network.nodes.get_mut(&node8).unwrap().features.set_require_unknown_bits();
+ }
+
+ { // If all nodes require some features we don't understand, route should fail
+ if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = router.get_route(&node3, None, &Vec::new(), 100, 42) {
+ assert_eq!(err, "Failed to find a path to the given destination");
+ } else { panic!(); }
+ }
+
+ { // If we specify a channel to node8, that overrides our local channel view and that gets used
+ let our_chans = vec![channelmanager::ChannelDetails {
+ channel_id: [0; 32],
+ short_channel_id: Some(42),
+ remote_network_id: node8.clone(),
+ channel_value_satoshis: 0,
+ user_id: 0,
+ outbound_capacity_msat: 0,
+ inbound_capacity_msat: 0,
+ is_live: true,
+ }];
+ let route = router.get_route(&node3, Some(&our_chans), &Vec::new(), 100, 42).unwrap();
+ assert_eq!(route.hops.len(), 2);
+
+ assert_eq!(route.hops[0].pubkey, node8);
+ assert_eq!(route.hops[0].short_channel_id, 42);
+ assert_eq!(route.hops[0].fee_msat, 200);
+ assert_eq!(route.hops[0].cltv_expiry_delta, (13 << 8) | 1);
+
+ assert_eq!(route.hops[1].pubkey, node3);
+ assert_eq!(route.hops[1].short_channel_id, 13);
+ assert_eq!(route.hops[1].fee_msat, 100);
+ assert_eq!(route.hops[1].cltv_expiry_delta, 42);
+ }
+
+ { // Re-enable nodes 1, 2, and 8
+ let mut network = router.network_map.write().unwrap();
+ network.nodes.get_mut(&node1).unwrap().features.clear_require_unknown_bits();
+ network.nodes.get_mut(&node2).unwrap().features.clear_require_unknown_bits();
+ network.nodes.get_mut(&node8).unwrap().features.clear_require_unknown_bits();
+ }
+
+ // Note that we don't test disabling node 3 and failing to route to it, as we (somewhat
+ // naively) assume that the user checked the feature bits on the invoice, which override
+ // the node_announcement.
+
{ // Route to 1 via 2 and 3 because our channel to 1 is disabled
let route = router.get_route(&node1, None, &Vec::new(), 100, 42).unwrap();
assert_eq!(route.hops.len(), 3);
use chain::transaction::OutPoint;
use chain::keysinterface;
use ln::channelmonitor;
+use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::LocalFeatures;
-use ln::msgs::{LightningError};
+use ln::msgs::LightningError;
use ln::channelmonitor::HTLCUpdate;
use util::enforcing_trait_impls::EnforcingChannelKeys;
use util::events;
}
impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
- fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::OpenChannel) {}
- fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::AcceptChannel) {}
+ fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
+ fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
projects / rust-lightning / commitdiff