X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannel.rs;h=d9cab1720dcca12865e6a351a30b24123c8ad1f9;hb=1316265a93939a232734719e383bfb659fe15780;hp=1fc0d8b3cd6bb263b859886e1463c294495e194f;hpb=1521633ca235449130d5fdea1382627c26c5544b;p=rust-lightning diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs index 1fc0d8b3..d9cab172 100644 --- a/lightning/src/ln/channel.rs +++ b/lightning/src/ln/channel.rs @@ -368,8 +368,7 @@ pub(super) struct Channel { /// could miss the funding_tx_confirmed_in block as well, but it serves as a useful fallback. funding_tx_confirmed_in: Option, short_channel_id: Option, - /// Used to deduplicate block_connected callbacks, also used to verify consistency during - /// ChannelManager deserialization (hence pub(super)) + /// Used to verify consistency during ChannelManager deserialization (hence pub(super)). pub(super) last_block_connected: BlockHash, funding_tx_confirmations: u64, @@ -1570,13 +1569,13 @@ impl Channel { let funding_redeemscript = self.get_funding_redeemscript(); let funding_txo_script = funding_redeemscript.to_v0_p2wsh(); let obscure_factor = get_commitment_transaction_number_obscure_factor(&self.get_holder_pubkeys().payment_point, &self.get_counterparty_pubkeys().payment_point, self.is_outbound()); - let mut channel_monitor = ChannelMonitor::new(self.secp_ctx.clone(), self.holder_signer.clone(), - &self.shutdown_pubkey, self.get_holder_selected_contest_delay(), - &self.destination_script, (funding_txo, funding_txo_script.clone()), - &self.channel_transaction_parameters, - funding_redeemscript.clone(), self.channel_value_satoshis, - obscure_factor, - holder_commitment_tx); + let channel_monitor = ChannelMonitor::new(self.secp_ctx.clone(), self.holder_signer.clone(), + &self.shutdown_pubkey, self.get_holder_selected_contest_delay(), + &self.destination_script, (funding_txo, funding_txo_script.clone()), + &self.channel_transaction_parameters, + funding_redeemscript.clone(), self.channel_value_satoshis, + obscure_factor, + holder_commitment_tx); channel_monitor.provide_latest_counterparty_commitment_tx(counterparty_initial_commitment_txid, Vec::new(), self.cur_counterparty_commitment_transaction_number, self.counterparty_cur_commitment_point.unwrap(), logger); @@ -1640,13 +1639,13 @@ impl Channel { let funding_txo = self.get_funding_txo().unwrap(); let funding_txo_script = funding_redeemscript.to_v0_p2wsh(); let obscure_factor = get_commitment_transaction_number_obscure_factor(&self.get_holder_pubkeys().payment_point, &self.get_counterparty_pubkeys().payment_point, self.is_outbound()); - let mut channel_monitor = ChannelMonitor::new(self.secp_ctx.clone(), self.holder_signer.clone(), - &self.shutdown_pubkey, self.get_holder_selected_contest_delay(), - &self.destination_script, (funding_txo, funding_txo_script), - &self.channel_transaction_parameters, - funding_redeemscript.clone(), self.channel_value_satoshis, - obscure_factor, - holder_commitment_tx); + let channel_monitor = ChannelMonitor::new(self.secp_ctx.clone(), self.holder_signer.clone(), + &self.shutdown_pubkey, self.get_holder_selected_contest_delay(), + &self.destination_script, (funding_txo, funding_txo_script), + &self.channel_transaction_parameters, + funding_redeemscript.clone(), self.channel_value_satoshis, + obscure_factor, + holder_commitment_tx); channel_monitor.provide_latest_counterparty_commitment_tx(counterparty_initial_bitcoin_tx.txid, Vec::new(), self.cur_counterparty_commitment_transaction_number, self.counterparty_cur_commitment_point.unwrap(), logger); @@ -3325,7 +3324,7 @@ impl Channel { // Upper bound by capacity. We make it a bit less than full capacity to prevent attempts // to use full capacity. This is an effort to reduce routing failures, because in many cases // channel might have been used to route very small values (either by honest users or as DoS). - self.channel_value_satoshis * 9 / 10, + self.channel_value_satoshis * 1000 * 9 / 10, Channel::::get_holder_max_htlc_value_in_flight_msat(self.channel_value_satoshis) ); @@ -3517,12 +3516,12 @@ impl Channel { _ => true } }); - let non_shutdown_state = self.channel_state & (!MULTI_STATE_FLAGS); - if header.block_hash() != self.last_block_connected { - if self.funding_tx_confirmations > 0 { - self.funding_tx_confirmations += 1; - } + + if self.funding_tx_confirmations > 0 { + self.funding_tx_confirmations += 1; } + + let non_shutdown_state = self.channel_state & (!MULTI_STATE_FLAGS); if non_shutdown_state & !(ChannelState::TheirFundingLocked as u32) == ChannelState::FundingSent as u32 { for &(index_in_block, tx) in txdata.iter() { let funding_txo = self.get_funding_txo().unwrap(); @@ -3568,46 +3567,45 @@ impl Channel { } } } - if header.block_hash() != self.last_block_connected { - self.last_block_connected = header.block_hash(); - self.update_time_counter = cmp::max(self.update_time_counter, header.time); - if self.funding_tx_confirmations > 0 { - if self.funding_tx_confirmations == self.minimum_depth as u64 { - let need_commitment_update = if non_shutdown_state == ChannelState::FundingSent as u32 { - self.channel_state |= ChannelState::OurFundingLocked as u32; - true - } else if non_shutdown_state == (ChannelState::FundingSent as u32 | ChannelState::TheirFundingLocked as u32) { - self.channel_state = ChannelState::ChannelFunded as u32 | (self.channel_state & MULTI_STATE_FLAGS); - self.update_time_counter += 1; - true - } else if non_shutdown_state == (ChannelState::FundingSent as u32 | ChannelState::OurFundingLocked as u32) { - // We got a reorg but not enough to trigger a force close, just update - // funding_tx_confirmed_in and return. - false - } else if self.channel_state < ChannelState::ChannelFunded as u32 { - panic!("Started confirming a channel in a state pre-FundingSent?: {}", self.channel_state); + + self.last_block_connected = header.block_hash(); + self.update_time_counter = cmp::max(self.update_time_counter, header.time); + if self.funding_tx_confirmations > 0 { + if self.funding_tx_confirmations == self.minimum_depth as u64 { + let need_commitment_update = if non_shutdown_state == ChannelState::FundingSent as u32 { + self.channel_state |= ChannelState::OurFundingLocked as u32; + true + } else if non_shutdown_state == (ChannelState::FundingSent as u32 | ChannelState::TheirFundingLocked as u32) { + self.channel_state = ChannelState::ChannelFunded as u32 | (self.channel_state & MULTI_STATE_FLAGS); + self.update_time_counter += 1; + true + } else if non_shutdown_state == (ChannelState::FundingSent as u32 | ChannelState::OurFundingLocked as u32) { + // We got a reorg but not enough to trigger a force close, just update + // funding_tx_confirmed_in and return. + false + } else if self.channel_state < ChannelState::ChannelFunded as u32 { + panic!("Started confirming a channel in a state pre-FundingSent?: {}", self.channel_state); + } else { + // We got a reorg but not enough to trigger a force close, just update + // funding_tx_confirmed_in and return. + false + }; + self.funding_tx_confirmed_in = Some(self.last_block_connected); + + //TODO: Note that this must be a duplicate of the previous commitment point they sent us, + //as otherwise we will have a commitment transaction that they can't revoke (well, kinda, + //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 { + if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 { + let next_per_commitment_point = self.holder_signer.get_per_commitment_point(self.cur_holder_commitment_transaction_number, &self.secp_ctx); + return Ok((Some(msgs::FundingLocked { + channel_id: self.channel_id, + next_per_commitment_point, + }), timed_out_htlcs)); } else { - // We got a reorg but not enough to trigger a force close, just update - // funding_tx_confirmed_in and return. - false - }; - self.funding_tx_confirmed_in = Some(self.last_block_connected); - - //TODO: Note that this must be a duplicate of the previous commitment point they sent us, - //as otherwise we will have a commitment transaction that they can't revoke (well, kinda, - //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 { - if self.channel_state & (ChannelState::MonitorUpdateFailed as u32) == 0 { - let next_per_commitment_point = self.holder_signer.get_per_commitment_point(self.cur_holder_commitment_transaction_number, &self.secp_ctx); - return Ok((Some(msgs::FundingLocked { - channel_id: self.channel_id, - next_per_commitment_point, - }), timed_out_htlcs)); - } else { - self.monitor_pending_funding_locked = true; - return Ok((None, timed_out_htlcs)); - } + self.monitor_pending_funding_locked = true; + return Ok((None, timed_out_htlcs)); } } } @@ -4087,7 +4085,8 @@ impl Channel { signature = res.0; htlc_signatures = res.1; - log_trace!(logger, "Signed remote commitment tx {} with redeemscript {} -> {}", + log_trace!(logger, "Signed remote commitment tx {} (txid {}) with redeemscript {} -> {}", + encode::serialize_hex(&counterparty_commitment_tx.0.trust().built_transaction().transaction), &counterparty_commitment_txid, encode::serialize_hex(&self.get_funding_redeemscript()), log_bytes!(signature.serialize_compact()[..]));