use secp256k1;
use ln::msgs;
-use ln::msgs::{DecodeError, OptionalField};
+use ln::msgs::{DecodeError, OptionalField, LocalFeatures, DataLossProtect};
use ln::channelmonitor::ChannelMonitor;
-use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingForwardHTLCInfo, RAACommitmentOrder, PaymentPreimage, PaymentHash};
+use ln::channelmanager::{PendingHTLCStatus, HTLCSource, HTLCFailReason, HTLCFailureMsg, PendingForwardHTLCInfo, RAACommitmentOrder, PaymentPreimage, PaymentHash, BREAKDOWN_TIMEOUT, MAX_LOCAL_BREAKDOWN_TIMEOUT};
use ln::chan_utils::{TxCreationKeys,HTLCOutputInCommitment,HTLC_SUCCESS_TX_WEIGHT,HTLC_TIMEOUT_TX_WEIGHT};
use ln::chan_utils;
use chain::chaininterface::{FeeEstimator,ConfirmationTarget};
use std;
use std::default::Default;
use std::{cmp,mem};
-use std::time::Instant;
use std::sync::{Arc};
#[cfg(test)]
/// See AwaitingRemoteRevoke ChannelState for more info
enum HTLCUpdateAwaitingACK {
- AddHTLC {
+ AddHTLC { // TODO: Time out if we're getting close to cltv_expiry
// always outbound
amount_msat: u64,
cltv_expiry: u32,
payment_hash: PaymentHash,
source: HTLCSource,
onion_routing_packet: msgs::OnionPacket,
- time_created: Instant, //TODO: Some kind of timeout thing-a-majig
},
ClaimHTLC {
payment_preimage: PaymentPreimage,
/// "disconnected" and no updates are allowed until after we've done a channel_reestablish
/// dance.
PeerDisconnected = (1 << 7),
- /// Flag which is set on ChannelFunded and FundingSent indicating the user has told us they
- /// failed to update our ChannelMonitor somewhere and we should pause sending any outbound
- /// messages until they've managed to do so.
+ /// Flag which is set on ChannelFunded, FundingCreated, and FundingSent indicating the user has
+ /// told us they failed to update our ChannelMonitor somewhere and we should pause sending any
+ /// outbound messages until they've managed to do so.
MonitorUpdateFailed = (1 << 8),
/// Flag which implies that we have sent a commitment_signed but are awaiting the responding
/// revoke_and_ack message. During this time period, we can't generate new commitment_signed
cur_local_commitment_transaction_number: u64,
cur_remote_commitment_transaction_number: u64,
value_to_self_msat: u64, // Excluding all pending_htlcs, excluding fees
- /// Upon receipt of a channel_reestablish we have to figure out whether to send a
- /// revoke_and_ack first or a commitment update first. Generally, we prefer to send
- /// revoke_and_ack first, but if we had a pending commitment update of our own waiting on a
- /// remote revoke when we received the latest commitment update from the remote we have to make
- /// sure that commitment update gets resent first.
- received_commitment_while_awaiting_raa: bool,
pending_inbound_htlcs: Vec<InboundHTLCOutput>,
pending_outbound_htlcs: Vec<OutboundHTLCOutput>,
holding_cell_htlc_updates: Vec<HTLCUpdateAwaitingACK>,
+ /// When resending CS/RAA messages on channel monitor restoration or on reconnect, we always
+ /// need to ensure we resend them in the order we originally generated them. Note that because
+ /// there can only ever be one in-flight CS and/or one in-flight RAA at any time, it is
+ /// sufficient to simply set this to the opposite of any message we are generating as we
+ /// generate it. ie when we generate a CS, we set this to RAAFirst as, if there is a pending
+ /// in-flight RAA to resend, it will have been the first thing we generated, and thus we should
+ /// send it first.
+ resend_order: RAACommitmentOrder,
+
+ monitor_pending_funding_locked: bool,
monitor_pending_revoke_and_ack: bool,
monitor_pending_commitment_signed: bool,
- monitor_pending_order: Option<RAACommitmentOrder>,
monitor_pending_forwards: Vec<(PendingForwardHTLCInfo, u64)>,
monitor_pending_failures: Vec<(HTLCSource, PaymentHash, HTLCFailReason)>,
their_htlc_minimum_msat: u64,
our_htlc_minimum_msat: u64,
their_to_self_delay: u16,
- //implied by BREAKDOWN_TIMEOUT: our_to_self_delay: u16,
+ our_to_self_delay: u16,
#[cfg(test)]
pub their_max_accepted_htlcs: u16,
#[cfg(not(test))]
/// on ice until the funding transaction gets more confirmations, but the LN protocol doesn't
/// really allow for this, so instead we're stuck closing it out at that point.
const UNCONF_THRESHOLD: u32 = 6;
-/// The amount of time we require our counterparty wait to claim their money (ie time between when
-/// we, or our watchtower, must check for them having broadcast a theft transaction).
-#[cfg(not(test))]
-const BREAKDOWN_TIMEOUT: u16 = 6 * 24 * 7; //TODO?
-#[cfg(test)]
-pub const BREAKDOWN_TIMEOUT: u16 = 6 * 24 * 7; //TODO?
-/// The amount of time we're willing to wait to claim money back to us
-const MAX_LOCAL_BREAKDOWN_TIMEOUT: u16 = 6 * 24 * 14;
/// Exposing these two constants for use in test in ChannelMonitor
pub const COMMITMENT_TX_BASE_WEIGHT: u64 = 724;
pub const COMMITMENT_TX_WEIGHT_PER_HTLC: u64 = 172;
1000 // TODO
}
- fn derive_minimum_depth(_channel_value_satoshis_msat: u64, _value_to_self_msat: u64) -> u32 {
- // Note that in order to comply with BOLT 7 announcement_signatures requirements this must
- // be at least 6.
- const CONF_TARGET: u32 = 12; //TODO: Should be much higher
- CONF_TARGET
- }
-
// Constructors:
pub fn new_outbound(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface>, their_node_id: PublicKey, channel_value_satoshis: u64, push_msat: u64, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel, APIError> {
let chan_keys = keys_provider.get_channel_keys(false);
if push_msat > channel_value_satoshis * 1000 {
return Err(APIError::APIMisuseError{err: "push value > channel value"});
}
+ if config.own_channel_config.our_to_self_delay < BREAKDOWN_TIMEOUT {
+ return Err(APIError::APIMisuseError{err: "Configured with an unreasonable our_to_self_delay putting user funds at risks"});
+ }
let background_feerate = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background);
let secp_ctx = Secp256k1::new();
let channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key, &chan_keys.delayed_payment_base_key,
- &chan_keys.htlc_base_key, &chan_keys.payment_base_key, &keys_provider.get_shutdown_pubkey(), BREAKDOWN_TIMEOUT,
+ &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());
Ok(Channel {
cur_local_commitment_transaction_number: INITIAL_COMMITMENT_NUMBER,
cur_remote_commitment_transaction_number: INITIAL_COMMITMENT_NUMBER,
value_to_self_msat: channel_value_satoshis * 1000 - push_msat,
- received_commitment_while_awaiting_raa: false,
pending_inbound_htlcs: Vec::new(),
pending_outbound_htlcs: Vec::new(),
next_remote_htlc_id: 0,
channel_update_count: 1,
+ resend_order: RAACommitmentOrder::CommitmentFirst,
+
+ monitor_pending_funding_locked: false,
monitor_pending_revoke_and_ack: false,
monitor_pending_commitment_signed: false,
- monitor_pending_order: None,
monitor_pending_forwards: Vec::new(),
monitor_pending_failures: Vec::new(),
their_htlc_minimum_msat: 0,
our_htlc_minimum_msat: Channel::derive_our_htlc_minimum_msat(feerate),
their_to_self_delay: 0,
+ our_to_self_delay: config.own_channel_config.our_to_self_delay,
their_max_accepted_htlcs: 0,
minimum_depth: 0, // Filled in in accept_channel
/// 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>, their_node_id: PublicKey, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel, ChannelError> {
+ pub fn new_from_req(fee_estimator: &FeeEstimator, keys_provider: &Arc<KeysInterface>, their_node_id: PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel, user_id: u64, logger: Arc<Logger>, config: &UserConfig) -> Result<Channel, ChannelError> {
let chan_keys = keys_provider.get_channel_keys(true);
let mut local_config = (*config).channel_options.clone();
+ if config.own_channel_config.our_to_self_delay < BREAKDOWN_TIMEOUT {
+ return Err(ChannelError::Close("Configured with an unreasonable our_to_self_delay putting user funds at risks"));
+ }
+
// Check sanity of message fields:
if msg.funding_satoshis >= MAX_FUNDING_SATOSHIS {
return Err(ChannelError::Close("funding value > 2^24"));
}
Channel::check_remote_fee(fee_estimator, msg.feerate_per_kw)?;
- if msg.to_self_delay > MAX_LOCAL_BREAKDOWN_TIMEOUT {
+ if msg.to_self_delay > config.peer_channel_config_limits.their_to_self_delay || msg.to_self_delay > MAX_LOCAL_BREAKDOWN_TIMEOUT {
return Err(ChannelError::Close("They wanted our payments to be delayed by a needlessly long period"));
}
if msg.max_accepted_htlcs < 1 {
}
// Now check against optional parameters as set by config...
- if msg.funding_satoshis < config.channel_limits.min_funding_satoshis {
+ if msg.funding_satoshis < config.peer_channel_config_limits.min_funding_satoshis {
return Err(ChannelError::Close("funding satoshis is less than the user specified limit"));
}
- if msg.htlc_minimum_msat > config.channel_limits.max_htlc_minimum_msat {
+ if msg.htlc_minimum_msat > config.peer_channel_config_limits.max_htlc_minimum_msat {
return Err(ChannelError::Close("htlc minimum msat is higher than the user specified limit"));
}
- if msg.max_htlc_value_in_flight_msat < config.channel_limits.min_max_htlc_value_in_flight_msat {
+ if msg.max_htlc_value_in_flight_msat < config.peer_channel_config_limits.min_max_htlc_value_in_flight_msat {
return Err(ChannelError::Close("max htlc value in flight msat is less than the user specified limit"));
}
- if msg.channel_reserve_satoshis > config.channel_limits.max_channel_reserve_satoshis {
+ if msg.channel_reserve_satoshis > config.peer_channel_config_limits.max_channel_reserve_satoshis {
return Err(ChannelError::Close("channel reserve satoshis is higher than the user specified limit"));
}
- if msg.max_accepted_htlcs < config.channel_limits.min_max_accepted_htlcs {
+ if msg.max_accepted_htlcs < config.peer_channel_config_limits.min_max_accepted_htlcs {
return Err(ChannelError::Close("max accepted htlcs is less than the user specified limit"));
}
- if msg.dust_limit_satoshis < config.channel_limits.min_dust_limit_satoshis {
+ if msg.dust_limit_satoshis < config.peer_channel_config_limits.min_dust_limit_satoshis {
return Err(ChannelError::Close("dust limit satoshis is less than the user specified limit"));
}
- if msg.dust_limit_satoshis > config.channel_limits.max_dust_limit_satoshis {
+ if msg.dust_limit_satoshis > config.peer_channel_config_limits.max_dust_limit_satoshis {
return Err(ChannelError::Close("dust limit satoshis is greater than the user specified limit"));
}
// Convert things into internal flags and prep our state:
let their_announce = if (msg.channel_flags & 1) == 1 { true } else { false };
- if config.channel_limits.force_announced_channel_preference {
+ if config.peer_channel_config_limits.force_announced_channel_preference {
if local_config.announced_channel != their_announce {
return Err(ChannelError::Close("Peer tried to open channel but their announcement preference is different from ours"));
}
let secp_ctx = Secp256k1::new();
let mut channel_monitor = ChannelMonitor::new(&chan_keys.revocation_base_key, &chan_keys.delayed_payment_base_key,
- &chan_keys.htlc_base_key, &chan_keys.payment_base_key, &keys_provider.get_shutdown_pubkey(), BREAKDOWN_TIMEOUT,
+ &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());
channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
channel_monitor.set_their_to_self_delay(msg.to_self_delay);
+ let their_shutdown_scriptpubkey = if their_local_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
+ if script.is_p2pkh() || script.is_p2sh() || script.is_v0_p2wsh() || script.is_v0_p2wpkh() {
+ Some(script.clone())
+ // Peer is signaling upfront_shutdown and has opt-out with a 0-length script. We don't enforce anything
+ } else if script.len() == 0 {
+ None
+ // Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. Fail the channel
+ } else {
+ return Err(ChannelError::Close("Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format"));
+ }
+ },
+ // Peer is signaling upfront shutdown but don't opt-out with correct mechanism (a.k.a 0-length script). Peer looks buggy, we fail the channel
+ &OptionalField::Absent => {
+ return Err(ChannelError::Close("Peer is signaling upfront_shutdown but we don't get any script. Use 0-length script to opt-out"));
+ }
+ }
+ } else { None };
+
let mut chan = Channel {
user_id: user_id,
config: local_config,
cur_local_commitment_transaction_number: INITIAL_COMMITMENT_NUMBER,
cur_remote_commitment_transaction_number: INITIAL_COMMITMENT_NUMBER,
value_to_self_msat: msg.push_msat,
- received_commitment_while_awaiting_raa: false,
pending_inbound_htlcs: Vec::new(),
pending_outbound_htlcs: Vec::new(),
next_remote_htlc_id: 0,
channel_update_count: 1,
+ resend_order: RAACommitmentOrder::CommitmentFirst,
+
+ monitor_pending_funding_locked: false,
monitor_pending_revoke_and_ack: false,
monitor_pending_commitment_signed: false,
- monitor_pending_order: None,
monitor_pending_forwards: Vec::new(),
monitor_pending_failures: Vec::new(),
their_htlc_minimum_msat: msg.htlc_minimum_msat,
our_htlc_minimum_msat: Channel::derive_our_htlc_minimum_msat(msg.feerate_per_kw as u64),
their_to_self_delay: msg.to_self_delay,
+ our_to_self_delay: config.own_channel_config.our_to_self_delay,
their_max_accepted_htlcs: msg.max_accepted_htlcs,
- minimum_depth: Channel::derive_minimum_depth(msg.funding_satoshis*1000, msg.push_msat),
+ minimum_depth: config.own_channel_config.minimum_depth,
their_funding_pubkey: Some(msg.funding_pubkey),
their_revocation_basepoint: Some(msg.revocation_basepoint),
their_prev_commitment_point: None,
their_node_id: their_node_id,
- their_shutdown_scriptpubkey: None,
+ their_shutdown_scriptpubkey,
channel_monitor: channel_monitor,
{
// Make sure that the to_self/to_remote is always either past the appropriate
// channel_reserve *or* it is making progress towards it.
- // TODO: This should happen after fee calculation, but we don't handle that correctly
- // yet!
let mut max_commitment_tx_output = if generated_by_local {
self.max_commitment_tx_output_local.lock().unwrap()
} else {
let value_to_b = if local { value_to_remote } else { value_to_self };
if value_to_a >= (dust_limit_satoshis as i64) {
+ log_trace!(self, " ...including {} output with value {}", if local { "to_local" } else { "to_remote" }, value_to_a);
txouts.push((TxOut {
script_pubkey: chan_utils::get_revokeable_redeemscript(&keys.revocation_key,
- if local { self.their_to_self_delay } else { BREAKDOWN_TIMEOUT },
+ if local { self.their_to_self_delay } else { self.our_to_self_delay },
&keys.a_delayed_payment_key).to_v0_p2wsh(),
value: value_to_a as u64
}, None));
}
if value_to_b >= (dust_limit_satoshis as i64) {
+ log_trace!(self, " ...including {} output with value {}", if local { "to_remote" } else { "to_local" }, value_to_b);
txouts.push((TxOut {
script_pubkey: Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0)
.push_slice(&Hash160::hash(&keys.b_payment_key.serialize())[..])
}, None));
}
- transaction_utils::sort_outputs(&mut txouts);
+ transaction_utils::sort_outputs(&mut txouts, |a, b| {
+ if let &Some(ref a_htlc) = a {
+ if let &Some(ref b_htlc) = b {
+ a_htlc.0.cltv_expiry.cmp(&b_htlc.0.cltv_expiry)
+ // Note that due to hash collisions, we have to have a fallback comparison
+ // here for fuzztarget mode (otherwise at least chanmon_fail_consistency
+ // may fail)!
+ .then(a_htlc.0.payment_hash.0.cmp(&b_htlc.0.payment_hash.0))
+ // For non-HTLC outputs, if they're copying our SPK we don't really care if we
+ // close the channel due to mismatches - they're doing something dumb:
+ } else { cmp::Ordering::Equal }
+ } else { cmp::Ordering::Equal }
+ });
let mut outputs: Vec<TxOut> = Vec::with_capacity(txouts.len());
let mut htlcs_included: Vec<(HTLCOutputInCommitment, Option<&HTLCSource>)> = Vec::with_capacity(txouts.len() + included_dust_htlcs.len());
}, ()));
}
- transaction_utils::sort_outputs(&mut txouts);
+ transaction_utils::sort_outputs(&mut txouts, |_, _| { cmp::Ordering::Equal }); // Ordering doesnt matter if they used our pubkey...
let mut outputs: Vec<TxOut> = Vec::new();
for out in txouts.drain(..) {
/// @local is used only to convert relevant internal structures which refer to remote vs local
/// to decide value of outputs and direction of HTLCs.
fn build_htlc_transaction(&self, prev_hash: &Sha256dHash, htlc: &HTLCOutputInCommitment, local: bool, keys: &TxCreationKeys, feerate_per_kw: u64) -> Transaction {
- chan_utils::build_htlc_transaction(prev_hash, feerate_per_kw, if local { self.their_to_self_delay } else { BREAKDOWN_TIMEOUT }, htlc, &keys.a_delayed_payment_key, &keys.revocation_key)
+ chan_utils::build_htlc_transaction(prev_hash, feerate_per_kw, if local { self.their_to_self_delay } else { self.our_to_self_delay }, htlc, &keys.a_delayed_payment_key, &keys.revocation_key)
}
fn create_htlc_tx_signature(&self, tx: &Transaction, htlc: &HTLCOutputInCommitment, keys: &TxCreationKeys) -> Result<(Script, Signature, bool), ChannelError> {
// Message handlers:
- pub fn accept_channel(&mut self, msg: &msgs::AcceptChannel, config: &UserConfig) -> Result<(), ChannelError> {
+ pub fn accept_channel(&mut self, msg: &msgs::AcceptChannel, config: &UserConfig, their_local_features: LocalFeatures) -> Result<(), ChannelError> {
// Check sanity of message fields:
if !self.channel_outbound {
return Err(ChannelError::Close("Got an accept_channel message from an inbound peer"));
if msg.htlc_minimum_msat >= (self.channel_value_satoshis - msg.channel_reserve_satoshis) * 1000 {
return Err(ChannelError::Close("Minimum htlc value is full channel value"));
}
- if msg.to_self_delay > MAX_LOCAL_BREAKDOWN_TIMEOUT {
+ if msg.to_self_delay > config.peer_channel_config_limits.their_to_self_delay || msg.to_self_delay > MAX_LOCAL_BREAKDOWN_TIMEOUT {
return Err(ChannelError::Close("They wanted our payments to be delayed by a needlessly long period"));
}
if msg.max_accepted_htlcs < 1 {
}
// Now check against optional parameters as set by config...
- if msg.htlc_minimum_msat > config.channel_limits.max_htlc_minimum_msat {
+ if msg.htlc_minimum_msat > config.peer_channel_config_limits.max_htlc_minimum_msat {
return Err(ChannelError::Close("htlc minimum msat is higher than the user specified limit"));
}
- if msg.max_htlc_value_in_flight_msat < config.channel_limits.min_max_htlc_value_in_flight_msat {
+ if msg.max_htlc_value_in_flight_msat < config.peer_channel_config_limits.min_max_htlc_value_in_flight_msat {
return Err(ChannelError::Close("max htlc value in flight msat is less than the user specified limit"));
}
- if msg.channel_reserve_satoshis > config.channel_limits.max_channel_reserve_satoshis {
+ if msg.channel_reserve_satoshis > config.peer_channel_config_limits.max_channel_reserve_satoshis {
return Err(ChannelError::Close("channel reserve satoshis is higher than the user specified limit"));
}
- if msg.max_accepted_htlcs < config.channel_limits.min_max_accepted_htlcs {
+ if msg.max_accepted_htlcs < config.peer_channel_config_limits.min_max_accepted_htlcs {
return Err(ChannelError::Close("max accepted htlcs is less than the user specified limit"));
}
- if msg.dust_limit_satoshis < config.channel_limits.min_dust_limit_satoshis {
+ if msg.dust_limit_satoshis < config.peer_channel_config_limits.min_dust_limit_satoshis {
return Err(ChannelError::Close("dust limit satoshis is less than the user specified limit"));
}
- if msg.dust_limit_satoshis > config.channel_limits.max_dust_limit_satoshis {
+ if msg.dust_limit_satoshis > config.peer_channel_config_limits.max_dust_limit_satoshis {
return Err(ChannelError::Close("dust limit satoshis is greater than the user specified limit"));
}
- if msg.minimum_depth > config.channel_limits.max_minimum_depth {
+ if msg.minimum_depth > config.peer_channel_config_limits.max_minimum_depth {
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() {
+ 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
+ if script.is_p2pkh() || script.is_p2sh() || script.is_v0_p2wsh() || script.is_v0_p2wpkh() {
+ Some(script.clone())
+ // Peer is signaling upfront_shutdown and has opt-out with a 0-length script. We don't enforce anything
+ } else if script.len() == 0 {
+ None
+ // Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. Fail the channel
+ } else {
+ return Err(ChannelError::Close("Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format"));
+ }
+ },
+ // Peer is signaling upfront shutdown but don't opt-out with correct mechanism (a.k.a 0-length script). Peer looks buggy, we fail the channel
+ &OptionalField::Absent => {
+ return Err(ChannelError::Close("Peer is signaling upfront_shutdown but we don't get any script. Use 0-length script to opt-out"));
+ }
+ }
+ } else { None };
+
self.channel_monitor.set_their_base_keys(&msg.htlc_basepoint, &msg.delayed_payment_basepoint);
self.their_dust_limit_satoshis = msg.dust_limit_satoshis;
self.their_delayed_payment_basepoint = Some(msg.delayed_payment_basepoint);
self.their_htlc_basepoint = Some(msg.htlc_basepoint);
self.their_cur_commitment_point = Some(msg.first_per_commitment_point);
+ self.their_shutdown_scriptpubkey = their_shutdown_scriptpubkey;
let obscure_factor = self.get_commitment_transaction_number_obscure_factor();
self.channel_monitor.set_commitment_obscure_factor(obscure_factor);
if !self.channel_outbound {
return Err(ChannelError::Close("Received funding_signed for an inbound channel?"));
}
- if self.channel_state != ChannelState::FundingCreated as u32 {
+ if self.channel_state & !(ChannelState::MonitorUpdateFailed as u32) != ChannelState::FundingCreated as u32 {
return Err(ChannelError::Close("Received funding_signed in strange state!"));
}
if self.channel_monitor.get_min_seen_secret() != (1 << 48) ||
self.sign_commitment_transaction(&mut local_initial_commitment_tx, &msg.signature);
self.channel_monitor.provide_latest_local_commitment_tx_info(local_initial_commitment_tx.clone(), local_keys, self.feerate_per_kw, Vec::new());
self.last_local_commitment_txn = vec![local_initial_commitment_tx];
- self.channel_state = ChannelState::FundingSent as u32;
+ self.channel_state = ChannelState::FundingSent as u32 | (self.channel_state & (ChannelState::MonitorUpdateFailed as u32));
self.cur_local_commitment_transaction_number -= 1;
- Ok(self.channel_monitor.clone())
+ if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 {
+ Ok(self.channel_monitor.clone())
+ } else {
+ Err(ChannelError::Ignore("Previous monitor update failure prevented funding_signed from allowing funding broadcast"))
+ }
}
pub fn funding_locked(&mut self, msg: &msgs::FundingLocked) -> Result<(), ChannelError> {
} else if non_shutdown_state == (ChannelState::FundingSent as u32 | ChannelState::OurFundingLocked as u32) {
self.channel_state = ChannelState::ChannelFunded as u32 | (self.channel_state & MULTI_STATE_FLAGS);
self.channel_update_count += 1;
- } else if self.channel_state & (ChannelState::ChannelFunded as u32) != 0 &&
- // Note that funding_signed/funding_created will have decremented both by 1!
- self.cur_local_commitment_transaction_number == INITIAL_COMMITMENT_NUMBER - 1 &&
- self.cur_remote_commitment_transaction_number == INITIAL_COMMITMENT_NUMBER - 1 {
+ } else if (self.channel_state & (ChannelState::ChannelFunded as u32) != 0 &&
+ // Note that funding_signed/funding_created will have decremented both by 1!
+ self.cur_local_commitment_transaction_number == INITIAL_COMMITMENT_NUMBER - 1 &&
+ self.cur_remote_commitment_transaction_number == INITIAL_COMMITMENT_NUMBER - 1) ||
+ // If we reconnected before sending our funding locked they may still resend theirs:
+ (self.channel_state & (ChannelState::FundingSent as u32 | ChannelState::TheirFundingLocked as u32) ==
+ (ChannelState::FundingSent as u32 | ChannelState::TheirFundingLocked as u32)) {
if self.their_cur_commitment_point != Some(msg.next_per_commitment_point) {
return Err(ChannelError::Close("Peer sent a reconnect funding_locked with a different point"));
}
(htlc_outbound_count as u32, htlc_outbound_value_msat)
}
+ /// Get the available (ie not including pending HTLCs) inbound and outbound balance in msat.
+ /// Doesn't bother handling the
+ /// if-we-removed-it-already-but-haven't-fully-resolved-they-can-still-send-an-inbound-HTLC
+ /// corner case properly.
+ pub fn get_inbound_outbound_available_balance_msat(&self) -> (u64, u64) {
+ // Note that we have to handle overflow due to the above case.
+ (cmp::min(self.channel_value_satoshis as i64 * 1000 - self.value_to_self_msat as i64 - self.get_inbound_pending_htlc_stats().1 as i64, 0) as u64,
+ cmp::min(self.value_to_self_msat as i64 - self.get_outbound_pending_htlc_stats().1 as i64, 0) as u64)
+ }
+
pub fn update_add_htlc(&mut self, msg: &msgs::UpdateAddHTLC, pending_forward_state: PendingHTLCStatus) -> Result<(), ChannelError> {
if (self.channel_state & (ChannelState::ChannelFunded as u32 | ChannelState::RemoteShutdownSent as u32)) != (ChannelState::ChannelFunded as u32) {
return Err(ChannelError::Close("Got add HTLC message when channel was not in an operational state"));
}
}
- if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 {
- // This is a response to our post-monitor-failed unfreeze messages, so we can clear the
- // monitor_pending_order requirement as we won't re-send the monitor_pending messages.
- self.monitor_pending_order = None;
- }
-
self.channel_monitor.provide_latest_local_commitment_tx_info(local_commitment_tx.0, local_keys, self.feerate_per_kw, htlcs_and_sigs);
for htlc in self.pending_inbound_htlcs.iter_mut() {
self.cur_local_commitment_transaction_number -= 1;
self.last_local_commitment_txn = new_local_commitment_txn;
- self.received_commitment_while_awaiting_raa = (self.channel_state & (ChannelState::AwaitingRemoteRevoke as u32)) != 0;
+ // Note that if we need_our_commitment & !AwaitingRemoteRevoke we'll call
+ // send_commitment_no_status_check() next which will reset this to RAAFirst.
+ self.resend_order = RAACommitmentOrder::CommitmentFirst;
if (self.channel_state & ChannelState::MonitorUpdateFailed as u32) != 0 {
// In case we initially failed monitor updating without requiring a response, we need
// to make sure the RAA gets sent first.
- if !self.monitor_pending_commitment_signed {
- self.monitor_pending_order = Some(RAACommitmentOrder::RevokeAndACKFirst);
- }
self.monitor_pending_revoke_and_ack = true;
if need_our_commitment && (self.channel_state & (ChannelState::AwaitingRemoteRevoke as u32)) == 0 {
// If we were going to send a commitment_signed after the RAA, go ahead and do all
self.their_prev_commitment_point = self.their_cur_commitment_point;
self.their_cur_commitment_point = Some(msg.next_per_commitment_point);
self.cur_remote_commitment_transaction_number -= 1;
- self.received_commitment_while_awaiting_raa = false;
- if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 {
- // This is a response to our post-monitor-failed unfreeze messages, so we can clear the
- // monitor_pending_order requirement as we won't re-send the monitor_pending messages.
- self.monitor_pending_order = None;
- }
log_trace!(self, "Updating HTLCs on receipt of RAA...");
let mut to_forward_infos = Vec::new();
// When the monitor updating is restored we'll call get_last_commitment_update(),
// which does not update state, but we're definitely now awaiting a remote revoke
// before we can step forward any more, so set it here.
- self.channel_state |= ChannelState::AwaitingRemoteRevoke as u32;
+ self.send_commitment_no_status_check()?;
}
self.monitor_pending_forwards.append(&mut to_forward_infos);
self.monitor_pending_failures.append(&mut revoked_htlcs);
/// Indicates that a ChannelMonitor update failed to be stored by the client and further
/// updates are partially paused.
/// This must be called immediately after the call which generated the ChannelMonitor update
- /// which failed, with the order argument set to the type of call it represented (ie a
- /// commitment update or a revoke_and_ack generation). The messages which were generated from
- /// that original call must *not* have been sent to the remote end, and must instead have been
- /// dropped. They will be regenerated when monitor_updating_restored is called.
- pub fn monitor_update_failed(&mut self, order: RAACommitmentOrder, resend_raa: bool, resend_commitment: bool, mut pending_forwards: Vec<(PendingForwardHTLCInfo, u64)>, mut pending_fails: Vec<(HTLCSource, PaymentHash, HTLCFailReason)>) {
+ /// which failed. The messages which were generated from that call which generated the
+ /// monitor update failure must *not* have been sent to the remote end, and must instead
+ /// have been dropped. They will be regenerated when monitor_updating_restored is called.
+ pub fn monitor_update_failed(&mut self, resend_raa: bool, resend_commitment: bool, mut pending_forwards: Vec<(PendingForwardHTLCInfo, u64)>, mut pending_fails: Vec<(HTLCSource, PaymentHash, HTLCFailReason)>) {
assert_eq!(self.channel_state & ChannelState::MonitorUpdateFailed as u32, 0);
self.monitor_pending_revoke_and_ack = resend_raa;
self.monitor_pending_commitment_signed = resend_commitment;
- self.monitor_pending_order = Some(order);
assert!(self.monitor_pending_forwards.is_empty());
mem::swap(&mut pending_forwards, &mut self.monitor_pending_forwards);
assert!(self.monitor_pending_failures.is_empty());
/// Indicates that the latest ChannelMonitor update has been committed by the client
/// successfully and we should restore normal operation. Returns messages which should be sent
/// to the remote side.
- pub fn monitor_updating_restored(&mut self) -> (Option<msgs::RevokeAndACK>, Option<msgs::CommitmentUpdate>, RAACommitmentOrder, Vec<(PendingForwardHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>) {
+ pub fn monitor_updating_restored(&mut self) -> (Option<msgs::RevokeAndACK>, Option<msgs::CommitmentUpdate>, RAACommitmentOrder, Vec<(PendingForwardHTLCInfo, u64)>, Vec<(HTLCSource, PaymentHash, HTLCFailReason)>, bool, Option<msgs::FundingLocked>) {
assert_eq!(self.channel_state & ChannelState::MonitorUpdateFailed as u32, ChannelState::MonitorUpdateFailed as u32);
self.channel_state &= !(ChannelState::MonitorUpdateFailed as u32);
+ let needs_broadcast_safe = self.channel_state & (ChannelState::FundingSent as u32) != 0 && self.channel_outbound;
+
+ // Because we will never generate a FundingBroadcastSafe event when we're in
+ // MonitorUpdateFailed, if we assume the user only broadcast the funding transaction when
+ // they received the FundingBroadcastSafe event, we can only ever hit
+ // monitor_pending_funding_locked when we're an inbound channel which failed to persist the
+ // monitor on funding_created, and we even got the funding transaction confirmed before the
+ // monitor was persisted.
+ let funding_locked = if self.monitor_pending_funding_locked {
+ assert!(!self.channel_outbound, "Funding transaction broadcast without FundingBroadcastSafe!");
+ self.monitor_pending_funding_locked = false;
+ let next_per_commitment_secret = self.build_local_commitment_secret(self.cur_local_commitment_transaction_number);
+ let next_per_commitment_point = PublicKey::from_secret_key(&self.secp_ctx, &next_per_commitment_secret);
+ Some(msgs::FundingLocked {
+ channel_id: self.channel_id(),
+ next_per_commitment_point: next_per_commitment_point,
+ })
+ } else { None };
+
let mut forwards = Vec::new();
mem::swap(&mut forwards, &mut self.monitor_pending_forwards);
let mut failures = Vec::new();
mem::swap(&mut failures, &mut self.monitor_pending_failures);
if self.channel_state & (ChannelState::PeerDisconnected as u32) != 0 {
- // Leave monitor_pending_order so we can order our channel_reestablish responses
self.monitor_pending_revoke_and_ack = false;
self.monitor_pending_commitment_signed = false;
- return (None, None, RAACommitmentOrder::RevokeAndACKFirst, forwards, failures);
+ return (None, None, RAACommitmentOrder::RevokeAndACKFirst, forwards, failures, needs_broadcast_safe, funding_locked);
}
let raa = if self.monitor_pending_revoke_and_ack {
self.monitor_pending_revoke_and_ack = false;
self.monitor_pending_commitment_signed = false;
- (raa, commitment_update, self.monitor_pending_order.clone().unwrap(), forwards, failures)
+ let order = self.resend_order.clone();
+ log_trace!(self, "Restored monitor updating resulting in {}{} commitment update and {} RAA, with {} first",
+ if needs_broadcast_safe { "a funding broadcast safe, " } else { "" },
+ if commitment_update.is_some() { "a" } else { "no" },
+ if raa.is_some() { "an" } else { "no" },
+ match order { RAACommitmentOrder::CommitmentFirst => "commitment", RAACommitmentOrder::RevokeAndACKFirst => "RAA"});
+ (raa, commitment_update, order, forwards, failures, needs_broadcast_safe, funding_locked)
}
pub fn update_fee(&mut self, fee_estimator: &FeeEstimator, msg: &msgs::UpdateFee) -> Result<(), ChannelError> {
update_add_htlcs.len(), update_fulfill_htlcs.len(), update_fail_htlcs.len(), update_fail_malformed_htlcs.len());
msgs::CommitmentUpdate {
update_add_htlcs, update_fulfill_htlcs, update_fail_htlcs, update_fail_malformed_htlcs,
- update_fee: None, //TODO: We need to support re-generating any update_fees in the last commitment_signed!
+ update_fee: None,
commitment_signed: self.send_commitment_no_state_update().expect("It looks like we failed to re-generate a commitment_signed we had previously sent?").0,
}
}
} else { None };
if self.channel_state & (ChannelState::FundingSent as u32) == ChannelState::FundingSent as u32 {
- if self.channel_state & ChannelState::OurFundingLocked as u32 == 0 {
+ // If we're waiting on a monitor update, we shouldn't re-send any funding_locked's.
+ if self.channel_state & (ChannelState::OurFundingLocked as u32) == 0 ||
+ self.channel_state & (ChannelState::MonitorUpdateFailed as u32) != 0 {
if msg.next_remote_commitment_number != 0 {
return Err(ChannelError::Close("Peer claimed they saw a revoke_and_ack but we haven't sent funding_locked yet"));
}
})
} else { None };
- let order = self.monitor_pending_order.clone().unwrap_or(if self.received_commitment_while_awaiting_raa {
- RAACommitmentOrder::CommitmentFirst
- } else {
- RAACommitmentOrder::RevokeAndACKFirst
- });
-
if msg.next_local_commitment_number == our_next_remote_commitment_number {
if required_revoke.is_some() {
log_debug!(self, "Reconnected channel {} with only lost outbound RAA", log_bytes!(self.channel_id()));
log_debug!(self, "Reconnected channel {} with no loss", log_bytes!(self.channel_id()));
}
- if (self.channel_state & (ChannelState::AwaitingRemoteRevoke as u32 | ChannelState::MonitorUpdateFailed as u32)) == 0 &&
- self.monitor_pending_order.is_none() { // monitor_pending_order indicates we're waiting on a response to a unfreeze
+ if (self.channel_state & (ChannelState::AwaitingRemoteRevoke as u32 | ChannelState::MonitorUpdateFailed as u32)) == 0 {
// We're up-to-date and not waiting on a remote revoke (if we are our
// channel_reestablish should result in them sending a revoke_and_ack), but we may
// have received some updates while we were disconnected. Free the holding cell
match self.free_holding_cell_htlcs() {
Err(ChannelError::Close(msg)) => return Err(ChannelError::Close(msg)),
Err(ChannelError::Ignore(_)) => panic!("Got non-channel-failing result from free_holding_cell_htlcs"),
- Ok(Some((commitment_update, channel_monitor))) => return Ok((resend_funding_locked, required_revoke, Some(commitment_update), Some(channel_monitor), order, shutdown_msg)),
- Ok(None) => return Ok((resend_funding_locked, required_revoke, None, None, order, shutdown_msg)),
+ Ok(Some((commitment_update, channel_monitor))) => return Ok((resend_funding_locked, required_revoke, Some(commitment_update), Some(channel_monitor), self.resend_order.clone(), shutdown_msg)),
+ Ok(None) => return Ok((resend_funding_locked, required_revoke, None, None, self.resend_order.clone(), shutdown_msg)),
}
} else {
- return Ok((resend_funding_locked, required_revoke, None, None, order, shutdown_msg));
+ return Ok((resend_funding_locked, required_revoke, None, None, self.resend_order.clone(), shutdown_msg));
}
} else if msg.next_local_commitment_number == our_next_remote_commitment_number - 1 {
if required_revoke.is_some() {
if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) != 0 {
self.monitor_pending_commitment_signed = true;
- return Ok((resend_funding_locked, None, None, None, order, shutdown_msg));
+ return Ok((resend_funding_locked, None, None, None, self.resend_order.clone(), shutdown_msg));
}
- return Ok((resend_funding_locked, required_revoke, Some(self.get_last_commitment_update()), None, order, shutdown_msg));
+ return Ok((resend_funding_locked, required_revoke, Some(self.get_last_commitment_update()), None, self.resend_order.clone(), shutdown_msg));
} else {
return Err(ChannelError::Close("Peer attempted to reestablish channel with a very old remote commitment transaction"));
}
self.cur_remote_commitment_transaction_number + 2
}
- //TODO: Testing purpose only, should be changed in another way after #81
#[cfg(test)]
pub fn get_local_keys(&self) -> &ChannelKeys {
&self.local_keys
//they can by sending two revoke_and_acks back-to-back, but not really). This appears to be
//a protocol oversight, but I assume I'm just missing something.
if need_commitment_update {
- let next_per_commitment_secret = self.build_local_commitment_secret(self.cur_local_commitment_transaction_number);
- let next_per_commitment_point = PublicKey::from_secret_key(&self.secp_ctx, &next_per_commitment_secret);
- return Ok(Some(msgs::FundingLocked {
- channel_id: self.channel_id,
- next_per_commitment_point: next_per_commitment_point,
- }));
+ if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 {
+ let next_per_commitment_secret = self.build_local_commitment_secret(self.cur_local_commitment_transaction_number);
+ let next_per_commitment_point = PublicKey::from_secret_key(&self.secp_ctx, &next_per_commitment_secret);
+ return Ok(Some(msgs::FundingLocked {
+ channel_id: self.channel_id,
+ next_per_commitment_point: next_per_commitment_point,
+ }));
+ } else {
+ self.monitor_pending_funding_locked = true;
+ return Ok(None);
+ }
}
}
}
channel_reserve_satoshis: Channel::get_our_channel_reserve_satoshis(self.channel_value_satoshis),
htlc_minimum_msat: self.our_htlc_minimum_msat,
feerate_per_kw: fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Background) as u32,
- to_self_delay: BREAKDOWN_TIMEOUT,
+ to_self_delay: self.our_to_self_delay,
max_accepted_htlcs: OUR_MAX_HTLCS,
funding_pubkey: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.funding_key),
revocation_basepoint: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.revocation_base_key),
htlc_basepoint: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.htlc_base_key),
first_per_commitment_point: PublicKey::from_secret_key(&self.secp_ctx, &local_commitment_secret),
channel_flags: if self.config.announced_channel {1} else {0},
- shutdown_scriptpubkey: OptionalField::Absent
+ shutdown_scriptpubkey: OptionalField::Present(if self.config.commit_upfront_shutdown_pubkey { self.get_closing_scriptpubkey() } else { Builder::new().into_script() })
}
}
channel_reserve_satoshis: Channel::get_our_channel_reserve_satoshis(self.channel_value_satoshis),
htlc_minimum_msat: self.our_htlc_minimum_msat,
minimum_depth: self.minimum_depth,
- to_self_delay: BREAKDOWN_TIMEOUT,
+ to_self_delay: self.our_to_self_delay,
max_accepted_htlcs: OUR_MAX_HTLCS,
funding_pubkey: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.funding_key),
revocation_basepoint: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.revocation_base_key),
delayed_payment_basepoint: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.delayed_payment_base_key),
htlc_basepoint: PublicKey::from_secret_key(&self.secp_ctx, &self.local_keys.htlc_base_key),
first_per_commitment_point: PublicKey::from_secret_key(&self.secp_ctx, &local_commitment_secret),
- shutdown_scriptpubkey: OptionalField::Absent
+ shutdown_scriptpubkey: OptionalField::Present(if self.config.commit_upfront_shutdown_pubkey { self.get_closing_scriptpubkey() } else { Builder::new().into_script() })
}
}
pub fn get_channel_reestablish(&self) -> msgs::ChannelReestablish {
assert_eq!(self.channel_state & ChannelState::PeerDisconnected as u32, ChannelState::PeerDisconnected as u32);
assert_ne!(self.cur_remote_commitment_transaction_number, INITIAL_COMMITMENT_NUMBER);
+ let data_loss_protect = if self.cur_remote_commitment_transaction_number + 1 < INITIAL_COMMITMENT_NUMBER {
+ let remote_last_secret = self.channel_monitor.get_secret(self.cur_remote_commitment_transaction_number + 2).unwrap();
+ log_trace!(self, "Enough info to generate a Data Loss Protect with per_commitment_secret {}", log_bytes!(remote_last_secret));
+ OptionalField::Present(DataLossProtect {
+ your_last_per_commitment_secret: remote_last_secret,
+ my_current_per_commitment_point: PublicKey::from_secret_key(&self.secp_ctx, &self.build_local_commitment_secret(self.cur_local_commitment_transaction_number + 1))
+ })
+ } else {
+ log_debug!(self, "We don't seen yet any revoked secret, if this channnel has already been updated it means we are fallen-behind, you should wait for other peer closing");
+ OptionalField::Present(DataLossProtect {
+ your_last_per_commitment_secret: [0;32],
+ my_current_per_commitment_point: PublicKey::from_secret_key(&self.secp_ctx, &self.build_local_commitment_secret(self.cur_local_commitment_transaction_number))
+ })
+ };
msgs::ChannelReestablish {
channel_id: self.channel_id(),
// The protocol has two different commitment number concepts - the "commitment
// dropped this channel on disconnect as it hasn't yet reached FundingSent so we can't
// overflow here.
next_remote_commitment_number: INITIAL_COMMITMENT_NUMBER - self.cur_remote_commitment_transaction_number - 1,
- data_loss_protect: OptionalField::Absent,
+ data_loss_protect,
}
}
cltv_expiry: cltv_expiry,
source,
onion_routing_packet: onion_routing_packet,
- time_created: Instant::now(),
});
return Ok(None);
}
htlc.state = OutboundHTLCState::AwaitingRemovedRemoteRevoke(fail_reason);
}
}
+ self.resend_order = RAACommitmentOrder::RevokeAndACKFirst;
let (res, remote_commitment_tx, htlcs) = match self.send_commitment_no_state_update() {
Ok((res, (remote_commitment_tx, mut htlcs))) => {
self.cur_remote_commitment_transaction_number.write(writer)?;
self.value_to_self_msat.write(writer)?;
- self.received_commitment_while_awaiting_raa.write(writer)?;
-
let mut dropped_inbound_htlcs = 0;
for htlc in self.pending_inbound_htlcs.iter() {
if let InboundHTLCState::RemoteAnnounced(_) = htlc.state {
(self.holding_cell_htlc_updates.len() as u64).write(writer)?;
for update in self.holding_cell_htlc_updates.iter() {
match update {
- &HTLCUpdateAwaitingACK::AddHTLC { ref amount_msat, ref cltv_expiry, ref payment_hash, ref source, ref onion_routing_packet, time_created: _ } => {
+ &HTLCUpdateAwaitingACK::AddHTLC { ref amount_msat, ref cltv_expiry, ref payment_hash, ref source, ref onion_routing_packet } => {
0u8.write(writer)?;
amount_msat.write(writer)?;
cltv_expiry.write(writer)?;
payment_hash.write(writer)?;
source.write(writer)?;
onion_routing_packet.write(writer)?;
- // time_created is not serialized - we re-init the timeout upon deserialization
},
&HTLCUpdateAwaitingACK::ClaimHTLC { ref payment_preimage, ref htlc_id } => {
1u8.write(writer)?;
}
}
+ match self.resend_order {
+ RAACommitmentOrder::CommitmentFirst => 0u8.write(writer)?,
+ RAACommitmentOrder::RevokeAndACKFirst => 1u8.write(writer)?,
+ }
+
+ self.monitor_pending_funding_locked.write(writer)?;
self.monitor_pending_revoke_and_ack.write(writer)?;
self.monitor_pending_commitment_signed.write(writer)?;
- match self.monitor_pending_order {
- None => 0u8.write(writer)?,
- Some(RAACommitmentOrder::CommitmentFirst) => 1u8.write(writer)?,
- Some(RAACommitmentOrder::RevokeAndACKFirst) => 2u8.write(writer)?,
- }
(self.monitor_pending_forwards.len() as u64).write(writer)?;
for &(ref pending_forward, ref htlc_id) in self.monitor_pending_forwards.iter() {
self.their_htlc_minimum_msat.write(writer)?;
self.our_htlc_minimum_msat.write(writer)?;
self.their_to_self_delay.write(writer)?;
+ self.our_to_self_delay.write(writer)?;
self.their_max_accepted_htlcs.write(writer)?;
self.minimum_depth.write(writer)?;
let cur_remote_commitment_transaction_number = Readable::read(reader)?;
let value_to_self_msat = Readable::read(reader)?;
- let received_commitment_while_awaiting_raa = Readable::read(reader)?;
-
let pending_inbound_htlc_count: u64 = Readable::read(reader)?;
let mut pending_inbound_htlcs = Vec::with_capacity(cmp::min(pending_inbound_htlc_count as usize, OUR_MAX_HTLCS as usize));
for _ in 0..pending_inbound_htlc_count {
payment_hash: Readable::read(reader)?,
source: Readable::read(reader)?,
onion_routing_packet: Readable::read(reader)?,
- time_created: Instant::now(),
},
1 => HTLCUpdateAwaitingACK::ClaimHTLC {
payment_preimage: Readable::read(reader)?,
});
}
- let monitor_pending_revoke_and_ack = Readable::read(reader)?;
- let monitor_pending_commitment_signed = Readable::read(reader)?;
-
- let monitor_pending_order = match <u8 as Readable<R>>::read(reader)? {
- 0 => None,
- 1 => Some(RAACommitmentOrder::CommitmentFirst),
- 2 => Some(RAACommitmentOrder::RevokeAndACKFirst),
+ let resend_order = match <u8 as Readable<R>>::read(reader)? {
+ 0 => RAACommitmentOrder::CommitmentFirst,
+ 1 => RAACommitmentOrder::RevokeAndACKFirst,
_ => return Err(DecodeError::InvalidValue),
};
+ let monitor_pending_funding_locked = Readable::read(reader)?;
+ let monitor_pending_revoke_and_ack = Readable::read(reader)?;
+ let monitor_pending_commitment_signed = Readable::read(reader)?;
+
let monitor_pending_forwards_count: u64 = Readable::read(reader)?;
let mut monitor_pending_forwards = Vec::with_capacity(cmp::min(monitor_pending_forwards_count as usize, OUR_MAX_HTLCS as usize));
for _ in 0..monitor_pending_forwards_count {
let their_htlc_minimum_msat = Readable::read(reader)?;
let our_htlc_minimum_msat = Readable::read(reader)?;
let their_to_self_delay = Readable::read(reader)?;
+ let our_to_self_delay = Readable::read(reader)?;
let their_max_accepted_htlcs = Readable::read(reader)?;
let minimum_depth = Readable::read(reader)?;
cur_remote_commitment_transaction_number,
value_to_self_msat,
- received_commitment_while_awaiting_raa,
pending_inbound_htlcs,
pending_outbound_htlcs,
holding_cell_htlc_updates,
+ resend_order,
+
+ monitor_pending_funding_locked,
monitor_pending_revoke_and_ack,
monitor_pending_commitment_signed,
- monitor_pending_order,
monitor_pending_forwards,
monitor_pending_failures,
their_htlc_minimum_msat,
our_htlc_minimum_msat,
their_to_self_delay,
+ our_to_self_delay,
their_max_accepted_htlcs,
minimum_depth,
projects / rust-lightning / blobdiff