X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannel.rs;h=9e4bb081c1a98ddc5bd17c4b818a835a37f10a65;hb=e0c8ec56dc7c7ae1a5f8e2002d04aa5fdf38cdc6;hp=73f79f3882fd622d101cf72df8bd27a4839f461e;hpb=ff4b4c4d36e2403fe1682a352f54db4ab57f3987;p=rust-lightning diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs index 73f79f38..9e4bb081 100644 --- a/lightning/src/ln/channel.rs +++ b/lightning/src/ln/channel.rs @@ -39,7 +39,6 @@ use util::errors::APIError; use util::config::{UserConfig,ChannelConfig}; use std; -use std::default::Default; use std::{cmp,mem,fmt}; use std::ops::Deref; #[cfg(any(test, feature = "fuzztarget"))] @@ -368,8 +367,6 @@ 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 verify consistency during ChannelManager deserialization (hence pub(super)). - pub(super) last_block_connected: BlockHash, funding_tx_confirmations: u64, counterparty_dust_limit_satoshis: u64, @@ -568,7 +565,6 @@ impl Channel { funding_tx_confirmed_in: None, short_channel_id: None, - last_block_connected: Default::default(), funding_tx_confirmations: 0, feerate_per_kw: feerate, @@ -804,7 +800,6 @@ impl Channel { funding_tx_confirmed_in: None, short_channel_id: None, - last_block_connected: Default::default(), funding_tx_confirmations: 0, feerate_per_kw: msg.feerate_per_kw, @@ -1521,7 +1516,7 @@ impl Channel { &self.get_counterparty_pubkeys().funding_pubkey } - pub fn funding_created(&mut self, msg: &msgs::FundingCreated, logger: &L) -> Result<(msgs::FundingSigned, ChannelMonitor), ChannelError> where L::Target: Logger { + pub fn funding_created(&mut self, msg: &msgs::FundingCreated, last_block_hash: BlockHash, logger: &L) -> Result<(msgs::FundingSigned, ChannelMonitor), ChannelError> where L::Target: Logger { if self.is_outbound() { return Err(ChannelError::Close("Received funding_created for an outbound channel?".to_owned())); } @@ -1575,7 +1570,7 @@ impl Channel { &self.channel_transaction_parameters, funding_redeemscript.clone(), self.channel_value_satoshis, obscure_factor, - holder_commitment_tx); + holder_commitment_tx, last_block_hash); 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); @@ -1592,7 +1587,7 @@ impl Channel { /// Handles a funding_signed message from the remote end. /// If this call is successful, broadcast the funding transaction (and not before!) - pub fn funding_signed(&mut self, msg: &msgs::FundingSigned, logger: &L) -> Result, ChannelError> where L::Target: Logger { + pub fn funding_signed(&mut self, msg: &msgs::FundingSigned, last_block_hash: BlockHash, logger: &L) -> Result, ChannelError> where L::Target: Logger { if !self.is_outbound() { return Err(ChannelError::Close("Received funding_signed for an inbound channel?".to_owned())); } @@ -1645,7 +1640,7 @@ impl Channel { &self.channel_transaction_parameters, funding_redeemscript.clone(), self.channel_value_satoshis, obscure_factor, - holder_commitment_tx); + holder_commitment_tx, last_block_hash); 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); @@ -3568,7 +3563,6 @@ impl Channel { } } - 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 { @@ -3590,7 +3584,7 @@ impl Channel { // funding_tx_confirmed_in and return. false }; - self.funding_tx_confirmed_in = Some(self.last_block_connected); + self.funding_tx_confirmed_in = Some(header.block_hash()); //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, @@ -3623,8 +3617,7 @@ impl Channel { return true; } } - self.last_block_connected = header.block_hash(); - if Some(self.last_block_connected) == self.funding_tx_confirmed_in { + if Some(header.block_hash()) == self.funding_tx_confirmed_in { self.funding_tx_confirmations = self.minimum_depth as u64 - 1; } false @@ -4433,8 +4426,6 @@ impl Writeable for Channel { self.funding_tx_confirmed_in.write(writer)?; self.short_channel_id.write(writer)?; - - self.last_block_connected.write(writer)?; self.funding_tx_confirmations.write(writer)?; self.counterparty_dust_limit_satoshis.write(writer)?; @@ -4595,8 +4586,6 @@ impl<'a, Signer: Sign, K: Deref> ReadableArgs<&'a K> for Channel let funding_tx_confirmed_in = Readable::read(reader)?; let short_channel_id = Readable::read(reader)?; - - let last_block_connected = Readable::read(reader)?; let funding_tx_confirmations = Readable::read(reader)?; let counterparty_dust_limit_satoshis = Readable::read(reader)?; @@ -4667,7 +4656,6 @@ impl<'a, Signer: Sign, K: Deref> ReadableArgs<&'a K> for Channel funding_tx_confirmed_in, short_channel_id, - last_block_connected, funding_tx_confirmations, counterparty_dust_limit_satoshis, @@ -4922,6 +4910,8 @@ mod tests { let secp_ctx = Secp256k1::new(); let seed = [42; 32]; let network = Network::Testnet; + let chain_hash = genesis_block(network).header.block_hash(); + let last_block_hash = chain_hash; let keys_provider = test_utils::TestKeysInterface::new(&seed, network); // Go through the flow of opening a channel between two nodes. @@ -4932,7 +4922,7 @@ mod tests { let mut node_a_chan = Channel::::new_outbound(&&feeest, &&keys_provider, node_b_node_id, 10000000, 100000, 42, &config).unwrap(); // Create Node B's channel by receiving Node A's open_channel message - let open_channel_msg = node_a_chan.get_open_channel(genesis_block(network).header.block_hash()); + let open_channel_msg = node_a_chan.get_open_channel(chain_hash); let node_b_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[7; 32]).unwrap()); let mut node_b_chan = Channel::::new_from_req(&&feeest, &&keys_provider, node_b_node_id, InitFeatures::known(), &open_channel_msg, 7, &config).unwrap(); @@ -4947,10 +4937,10 @@ mod tests { }]}; let funding_outpoint = OutPoint{ txid: tx.txid(), index: 0 }; let funding_created_msg = node_a_chan.get_outbound_funding_created(funding_outpoint, &&logger).unwrap(); - let (funding_signed_msg, _) = node_b_chan.funding_created(&funding_created_msg, &&logger).unwrap(); + let (funding_signed_msg, _) = node_b_chan.funding_created(&funding_created_msg, last_block_hash, &&logger).unwrap(); // Node B --> Node A: funding signed - let _ = node_a_chan.funding_signed(&funding_signed_msg, &&logger); + let _ = node_a_chan.funding_signed(&funding_signed_msg, last_block_hash, &&logger); // Now disconnect the two nodes and check that the commitment point in // Node B's channel_reestablish message is sane.