pub(super) incoming_shared_secret: [u8; 32],
payment_hash: PaymentHash,
pub(super) amt_to_forward: u64,
+ pub(super) amt_incoming: Option<u64>, // Added in 0.0.113
pub(super) outgoing_cltv_value: u32,
}
Fail(HTLCFailureMsg),
}
-pub(super) enum HTLCForwardInfo {
- AddHTLC {
- forward_info: PendingHTLCInfo,
+pub(super) struct PendingAddHTLCInfo {
+ pub(super) forward_info: PendingHTLCInfo,
- // These fields are produced in `forward_htlcs()` and consumed in
- // `process_pending_htlc_forwards()` for constructing the
- // `HTLCSource::PreviousHopData` for failed and forwarded
- // HTLCs.
- //
- // Note that this may be an outbound SCID alias for the associated channel.
- prev_short_channel_id: u64,
- prev_htlc_id: u64,
- prev_funding_outpoint: OutPoint,
- },
+ // These fields are produced in `forward_htlcs()` and consumed in
+ // `process_pending_htlc_forwards()` for constructing the
+ // `HTLCSource::PreviousHopData` for failed and forwarded
+ // HTLCs.
+ //
+ // Note that this may be an outbound SCID alias for the associated channel.
+ prev_short_channel_id: u64,
+ prev_htlc_id: u64,
+ prev_funding_outpoint: OutPoint,
+}
+
+pub(super) enum HTLCForwardInfo {
+ AddHTLC(PendingAddHTLCInfo),
FailHTLC {
htlc_id: u64,
err_packet: msgs::OnionErrorPacket,
routing,
payment_hash,
incoming_shared_secret: shared_secret,
+ amt_incoming: Some(amt_msat),
amt_to_forward: amt_msat,
outgoing_cltv_value: hop_data.outgoing_cltv_value,
})
},
payment_hash: msg.payment_hash.clone(),
incoming_shared_secret: shared_secret,
+ amt_incoming: Some(msg.amount_msat),
amt_to_forward: next_hop_data.amt_to_forward,
outgoing_cltv_value: next_hop_data.outgoing_cltv_value,
})
None => { // unknown_next_peer
// Note that this is likely a timing oracle for detecting whether an scid is a
// phantom.
- if fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, *short_channel_id) {
+ if fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, *short_channel_id, &self.genesis_hash) {
None
} else {
break Some(("Don't have available channel for forwarding as requested.", 0x4000 | 10, None));
() => {
for forward_info in pending_forwards.drain(..) {
match forward_info {
- HTLCForwardInfo::AddHTLC { prev_short_channel_id, prev_htlc_id, forward_info: PendingHTLCInfo {
- routing, incoming_shared_secret, payment_hash, amt_to_forward, outgoing_cltv_value },
- prev_funding_outpoint } => {
- macro_rules! failure_handler {
- ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr, $next_hop_unknown: expr) => {
- log_info!(self.logger, "Failed to accept/forward incoming HTLC: {}", $msg);
-
- let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
- short_channel_id: prev_short_channel_id,
- outpoint: prev_funding_outpoint,
- htlc_id: prev_htlc_id,
- incoming_packet_shared_secret: incoming_shared_secret,
- phantom_shared_secret: $phantom_ss,
- });
-
- let reason = if $next_hop_unknown {
- HTLCDestination::UnknownNextHop { requested_forward_scid: short_chan_id }
- } else {
- HTLCDestination::FailedPayment{ payment_hash }
- };
-
- failed_forwards.push((htlc_source, payment_hash,
- HTLCFailReason::Reason { failure_code: $err_code, data: $err_data },
- reason
- ));
- continue;
- }
+ HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_htlc_id, prev_funding_outpoint,
+ forward_info: PendingHTLCInfo {
+ routing, incoming_shared_secret, payment_hash, amt_to_forward,
+ outgoing_cltv_value, amt_incoming: _
+ }
+ }) => {
+ macro_rules! failure_handler {
+ ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr, $next_hop_unknown: expr) => {
+ log_info!(self.logger, "Failed to accept/forward incoming HTLC: {}", $msg);
+
+ let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
+ short_channel_id: prev_short_channel_id,
+ outpoint: prev_funding_outpoint,
+ htlc_id: prev_htlc_id,
+ incoming_packet_shared_secret: incoming_shared_secret,
+ phantom_shared_secret: $phantom_ss,
+ });
+
+ let reason = if $next_hop_unknown {
+ HTLCDestination::UnknownNextHop { requested_forward_scid: short_chan_id }
+ } else {
+ HTLCDestination::FailedPayment{ payment_hash }
+ };
+
+ failed_forwards.push((htlc_source, payment_hash,
+ HTLCFailReason::Reason { failure_code: $err_code, data: $err_data },
+ reason
+ ));
+ continue;
}
- macro_rules! fail_forward {
- ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr) => {
- {
- failure_handler!($msg, $err_code, $err_data, $phantom_ss, true);
- }
+ }
+ macro_rules! fail_forward {
+ ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr) => {
+ {
+ failure_handler!($msg, $err_code, $err_data, $phantom_ss, true);
}
}
- macro_rules! failed_payment {
- ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr) => {
- {
- failure_handler!($msg, $err_code, $err_data, $phantom_ss, false);
- }
+ }
+ macro_rules! failed_payment {
+ ($msg: expr, $err_code: expr, $err_data: expr, $phantom_ss: expr) => {
+ {
+ failure_handler!($msg, $err_code, $err_data, $phantom_ss, false);
}
}
- if let PendingHTLCRouting::Forward { onion_packet, .. } = routing {
- let phantom_secret_res = self.keys_manager.get_node_secret(Recipient::PhantomNode);
- if phantom_secret_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id) {
- let phantom_shared_secret = SharedSecret::new(&onion_packet.public_key.unwrap(), &phantom_secret_res.unwrap()).secret_bytes();
- let next_hop = match onion_utils::decode_next_payment_hop(phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac, payment_hash) {
- Ok(res) => res,
- Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
- let sha256_of_onion = Sha256::hash(&onion_packet.hop_data).into_inner();
- // In this scenario, the phantom would have sent us an
- // `update_fail_malformed_htlc`, meaning here we encrypt the error as
- // if it came from us (the second-to-last hop) but contains the sha256
- // of the onion.
- failed_payment!(err_msg, err_code, sha256_of_onion.to_vec(), None);
- },
- Err(onion_utils::OnionDecodeErr::Relay { err_msg, err_code }) => {
- failed_payment!(err_msg, err_code, Vec::new(), Some(phantom_shared_secret));
- },
- };
- match next_hop {
- onion_utils::Hop::Receive(hop_data) => {
- match self.construct_recv_pending_htlc_info(hop_data, incoming_shared_secret, payment_hash, amt_to_forward, outgoing_cltv_value, Some(phantom_shared_secret)) {
- Ok(info) => phantom_receives.push((prev_short_channel_id, prev_funding_outpoint, vec![(info, prev_htlc_id)])),
- Err(ReceiveError { err_code, err_data, msg }) => failed_payment!(msg, err_code, err_data, Some(phantom_shared_secret))
- }
- },
- _ => panic!(),
- }
- } else {
- fail_forward!(format!("Unknown short channel id {} for forward HTLC", short_chan_id), 0x4000 | 10, Vec::new(), None);
+ }
+ if let PendingHTLCRouting::Forward { onion_packet, .. } = routing {
+ let phantom_secret_res = self.keys_manager.get_node_secret(Recipient::PhantomNode);
+ if phantom_secret_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.genesis_hash) {
+ let phantom_shared_secret = SharedSecret::new(&onion_packet.public_key.unwrap(), &phantom_secret_res.unwrap()).secret_bytes();
+ let next_hop = match onion_utils::decode_next_payment_hop(phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac, payment_hash) {
+ Ok(res) => res,
+ Err(onion_utils::OnionDecodeErr::Malformed { err_msg, err_code }) => {
+ let sha256_of_onion = Sha256::hash(&onion_packet.hop_data).into_inner();
+ // In this scenario, the phantom would have sent us an
+ // `update_fail_malformed_htlc`, meaning here we encrypt the error as
+ // if it came from us (the second-to-last hop) but contains the sha256
+ // of the onion.
+ failed_payment!(err_msg, err_code, sha256_of_onion.to_vec(), None);
+ },
+ Err(onion_utils::OnionDecodeErr::Relay { err_msg, err_code }) => {
+ failed_payment!(err_msg, err_code, Vec::new(), Some(phantom_shared_secret));
+ },
+ };
+ match next_hop {
+ onion_utils::Hop::Receive(hop_data) => {
+ match self.construct_recv_pending_htlc_info(hop_data, incoming_shared_secret, payment_hash, amt_to_forward, outgoing_cltv_value, Some(phantom_shared_secret)) {
+ Ok(info) => phantom_receives.push((prev_short_channel_id, prev_funding_outpoint, vec![(info, prev_htlc_id)])),
+ Err(ReceiveError { err_code, err_data, msg }) => failed_payment!(msg, err_code, err_data, Some(phantom_shared_secret))
+ }
+ },
+ _ => panic!(),
}
} else {
fail_forward!(format!("Unknown short channel id {} for forward HTLC", short_chan_id), 0x4000 | 10, Vec::new(), None);
}
- },
+ } else {
+ fail_forward!(format!("Unknown short channel id {} for forward HTLC", short_chan_id), 0x4000 | 10, Vec::new(), None);
+ }
+ },
HTLCForwardInfo::FailHTLC { .. } => {
// Channel went away before we could fail it. This implies
// the channel is now on chain and our counterparty is
let mut fail_htlc_msgs = Vec::new();
for forward_info in pending_forwards.drain(..) {
match forward_info {
- HTLCForwardInfo::AddHTLC { prev_short_channel_id, prev_htlc_id, forward_info: PendingHTLCInfo {
- routing: PendingHTLCRouting::Forward {
- onion_packet, ..
- }, incoming_shared_secret, payment_hash, amt_to_forward, outgoing_cltv_value },
- prev_funding_outpoint } => {
+ HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_htlc_id, prev_funding_outpoint ,
+ forward_info: PendingHTLCInfo {
+ incoming_shared_secret, payment_hash, amt_to_forward, outgoing_cltv_value,
+ routing: PendingHTLCRouting::Forward { onion_packet, .. }, amt_incoming: _,
+ },
+ }) => {
log_trace!(self.logger, "Adding HTLC from short id {} with payment_hash {} to channel with short id {} after delay", prev_short_channel_id, log_bytes!(payment_hash.0), short_chan_id);
let htlc_source = HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: prev_short_channel_id,
} else {
for forward_info in pending_forwards.drain(..) {
match forward_info {
- HTLCForwardInfo::AddHTLC { prev_short_channel_id, prev_htlc_id, forward_info: PendingHTLCInfo {
- routing, incoming_shared_secret, payment_hash, amt_to_forward, .. },
- prev_funding_outpoint } => {
+ HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_htlc_id, prev_funding_outpoint,
+ forward_info: PendingHTLCInfo {
+ routing, incoming_shared_secret, payment_hash, amt_to_forward, ..
+ }
+ }) => {
let (cltv_expiry, onion_payload, payment_data, phantom_shared_secret) = match routing {
PendingHTLCRouting::Receive { payment_data, incoming_cltv_expiry, phantom_shared_secret } => {
let _legacy_hop_data = Some(payment_data.clone());
PendingHTLCRouting::ReceiveKeysend { .. } => 0,
}) {
hash_map::Entry::Occupied(mut entry) => {
- entry.get_mut().push(HTLCForwardInfo::AddHTLC { prev_short_channel_id, prev_funding_outpoint,
- prev_htlc_id, forward_info });
+ entry.get_mut().push(HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_funding_outpoint, prev_htlc_id, forward_info }));
},
hash_map::Entry::Vacant(entry) => {
- entry.insert(vec!(HTLCForwardInfo::AddHTLC { prev_short_channel_id, prev_funding_outpoint,
- prev_htlc_id, forward_info }));
+ entry.insert(vec!(HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
+ prev_short_channel_id, prev_funding_outpoint, prev_htlc_id, forward_info })));
}
}
}
});
}
- fn get_relevant_txids(&self) -> Vec<Txid> {
+ fn get_relevant_txids(&self) -> Vec<(Txid, Option<BlockHash>)> {
let channel_state = self.channel_state.lock().unwrap();
let mut res = Vec::with_capacity(channel_state.by_id.len());
for chan in channel_state.by_id.values() {
- if let Some(funding_txo) = chan.get_funding_txo() {
- res.push(funding_txo.txid);
+ if let (Some(funding_txo), block_hash) = (chan.get_funding_txo(), chan.get_funding_tx_confirmed_in()) {
+ res.push((funding_txo.txid, block_hash));
}
}
res
(2, incoming_shared_secret, required),
(4, payment_hash, required),
(6, amt_to_forward, required),
- (8, outgoing_cltv_value, required)
+ (8, outgoing_cltv_value, required),
+ (9, amt_incoming, option),
});
},
;);
+impl_writeable_tlv_based!(PendingAddHTLCInfo, {
+ (0, forward_info, required),
+ (2, prev_short_channel_id, required),
+ (4, prev_htlc_id, required),
+ (6, prev_funding_outpoint, required),
+});
+
impl_writeable_tlv_based_enum!(HTLCForwardInfo,
- (0, AddHTLC) => {
- (0, forward_info, required),
- (2, prev_short_channel_id, required),
- (4, prev_htlc_id, required),
- (6, prev_funding_outpoint, required),
- },
(1, FailHTLC) => {
(0, htlc_id, required),
(2, err_packet, required),
- },
-;);
+ };
+ (0, AddHTLC)
+);
impl_writeable_tlv_based!(PendingInboundPayment, {
(0, payment_secret, required),
projects / rust-lightning / blobdiff