]> git.bitcoin.ninja Git - rust-lightning/commitdiff
Use ChainHash instead of BlockHash as applicable
authorJeffrey Czyz <jkczyz@gmail.com>
Fri, 13 Oct 2023 22:01:19 +0000 (17:01 -0500)
committerJeffrey Czyz <jkczyz@gmail.com>
Mon, 16 Oct 2023 18:29:53 +0000 (13:29 -0500)
ChainHash is more appropriate for places where an arbitrary BlockHash is
not desirable. This type was introduced in later versions of the bitcoin
crate, thus BlockHash was used instead.

Using ChainHash also makes it easier to check if ChannelManager is
compatible with an Offer.

19 files changed:
fuzz/src/full_stack.rs
fuzz/src/router.rs
lightning-block-sync/src/gossip.rs
lightning-net-tokio/src/lib.rs
lightning-rapid-gossip-sync/src/processing.rs
lightning/src/ln/channel.rs
lightning/src/ln/channelmanager.rs
lightning/src/ln/functional_tests.rs
lightning/src/ln/msgs.rs
lightning/src/ln/onion_route_tests.rs
lightning/src/ln/peer_handler.rs
lightning/src/ln/priv_short_conf_tests.rs
lightning/src/routing/gossip.rs
lightning/src/routing/router.rs
lightning/src/routing/scoring.rs
lightning/src/routing/test_utils.rs
lightning/src/routing/utxo.rs
lightning/src/util/scid_utils.rs
lightning/src/util/test_utils.rs

index d7167146cac18d90c58d31f617f5af677875bbbf..9ed58dd949d82f6c046ef948bc61bcb4549a6d64 100644 (file)
@@ -772,7 +772,7 @@ mod tests {
                // 030012 - inbound read from peer id 0 of len 18
                // 0147 03000000000000000000000000000000 - message header indicating message length 327
                // 0300fe - inbound read from peer id 0 of len 254
-               // 0020 7500000000000000000000000000000000000000000000000000000000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
+               // 0020 6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000 ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679 000000000000c350 0000000000000000 0000000000000162 ffffffffffffffff 0000000000000222 0000000000000000 000000fd 0006 01e3 030000000000000000000000000000000000000000000000000000000000000001 030000000000000000000000000000000000000000000000000000000000000002 030000000000000000000000000000000000000000000000000000000000000003 030000000000000000000000000000000000000000000000000000000000000004 - beginning of open_channel message
                // 030059 - inbound read from peer id 0 of len 89
                // 030000000000000000000000000000000000000000000000000000000000000005 020900000000000000000000000000000000000000000000000000000000000000 01 0000 01021000 03000000000000000000000000000000 - rest of open_channel and mac
                //
@@ -1033,7 +1033,7 @@ mod tests {
                // - client now fails the HTLC backwards as it was unable to extract the payment preimage (CHECK 9 duplicate and CHECK 10)
 
                let logger = Arc::new(TrackingLogger { lines: Mutex::new(HashMap::new()) });
-               super::do_test(&::hex::decode("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+               super::do_test(&::hex::decode("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                let log_entries = logger.lines.lock().unwrap();
                assert_eq!(log_entries.get(&("lightning::ln::peer_handler".to_string(), "Handling SendAcceptChannel event in peer_handler for node 030000000000000000000000000000000000000000000000000000000000000002 for channel ff4f00f805273c1b203bb5ebf8436bfde57b3be8c2f5e95d9491dbb181909679".to_string())), Some(&1)); // 1
index 7f4e7ad401904716cbe01b3a258a3e752a43128a..c9ceea3d0b3d196169d47a996f4e4a47237098aa 100644 (file)
@@ -7,9 +7,9 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::blockdata::script::Builder;
 use bitcoin::blockdata::transaction::TxOut;
-use bitcoin::hash_types::BlockHash;
 
 use lightning::blinded_path::{BlindedHop, BlindedPath};
 use lightning::chain::transaction::OutPoint;
@@ -89,7 +89,7 @@ struct FuzzChainSource<'a, 'b, Out: test_logger::Output> {
        net_graph: &'a NetworkGraph<&'b test_logger::TestLogger<Out>>,
 }
 impl<Out: test_logger::Output> UtxoLookup for FuzzChainSource<'_, '_, Out> {
-       fn get_utxo(&self, _genesis_hash: &BlockHash, _short_channel_id: u64) -> UtxoResult {
+       fn get_utxo(&self, _chain_hash: &ChainHash, _short_channel_id: u64) -> UtxoResult {
                let input_slice = self.input.get_slice(2);
                if input_slice.is_none() { return UtxoResult::Sync(Err(UtxoLookupError::UnknownTx)); }
                let input_slice = input_slice.unwrap();
index 37f4268513f45ec2558a0d8f0635370c37e2d5f0..3b6e9f68376c9f00fa6427552bb87e7b6653cb16 100644 (file)
@@ -5,6 +5,7 @@
 use crate::{AsyncBlockSourceResult, BlockData, BlockSource, BlockSourceError};
 
 use bitcoin::blockdata::block::Block;
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::blockdata::transaction::{TxOut, OutPoint};
 use bitcoin::hash_types::BlockHash;
 
@@ -302,7 +303,7 @@ impl<S: FutureSpawner,
        CMH::Target: CustomMessageHandler,
        NS::Target: NodeSigner,
 {
-       fn get_utxo(&self, _genesis_hash: &BlockHash, short_channel_id: u64) -> UtxoResult {
+       fn get_utxo(&self, _chain_hash: &ChainHash, short_channel_id: u64) -> UtxoResult {
                let res = UtxoFuture::new();
                let fut = res.clone();
                let source = self.source.clone();
index 5527d85adf6f819e0b02e3ad05e18cc7c4426ae6..bac18b2b398cac33ebbb9523fc0a2811da914b75 100644 (file)
@@ -630,7 +630,7 @@ mod tests {
                fn handle_error(&self, _their_node_id: &PublicKey, _msg: &ErrorMessage) {}
                fn provided_node_features(&self) -> NodeFeatures { NodeFeatures::empty() }
                fn provided_init_features(&self, _their_node_id: &PublicKey) -> InitFeatures { InitFeatures::empty() }
-               fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
+               fn get_chain_hashes(&self) -> Option<Vec<ChainHash>> {
                        Some(vec![ChainHash::using_genesis_block(Network::Testnet)])
                }
        }
index fca318a5fa5f8cfac735ff8d3880819e8b6d93a0..d54f1329798b0b986363f67f4c86b91c59f0d929 100644 (file)
@@ -2,7 +2,7 @@ use core::cmp::max;
 use core::ops::Deref;
 use core::sync::atomic::Ordering;
 
-use bitcoin::BlockHash;
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::secp256k1::PublicKey;
 
 use lightning::ln::msgs::{
@@ -67,9 +67,9 @@ impl<NG: Deref<Target=NetworkGraph<L>>, L: Deref> RapidGossipSync<NG, L> where L
                        return Err(DecodeError::UnknownVersion.into());
                }
 
-               let chain_hash: BlockHash = Readable::read(read_cursor)?;
-               let ng_genesis_hash = self.network_graph.get_genesis_hash();
-               if chain_hash != ng_genesis_hash {
+               let chain_hash: ChainHash = Readable::read(read_cursor)?;
+               let ng_chain_hash = self.network_graph.get_chain_hash();
+               if chain_hash != ng_chain_hash {
                        return Err(
                                LightningError {
                                        err: "Rapid Gossip Sync data's chain hash does not match the network graph's".to_owned(),
index a61a8de82debecd5906c0ee95bdcdb420aae48f4..ef5bf6895a81e2fe2d5e33d47297b579dee15b97 100644 (file)
@@ -7,6 +7,7 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::blockdata::script::{Script,Builder};
 use bitcoin::blockdata::transaction::{Transaction, EcdsaSighashType};
 use bitcoin::util::sighash;
@@ -2661,7 +2662,7 @@ impl<SP: Deref> Channel<SP> where
        /// and the channel is now usable (and public), this may generate an announcement_signatures to
        /// reply with.
        pub fn channel_ready<NS: Deref, L: Deref>(
-               &mut self, msg: &msgs::ChannelReady, node_signer: &NS, genesis_block_hash: BlockHash,
+               &mut self, msg: &msgs::ChannelReady, node_signer: &NS, chain_hash: ChainHash,
                user_config: &UserConfig, best_block: &BestBlock, logger: &L
        ) -> Result<Option<msgs::AnnouncementSignatures>, ChannelError>
        where
@@ -2732,7 +2733,7 @@ impl<SP: Deref> Channel<SP> where
 
                log_info!(logger, "Received channel_ready from peer for channel {}", &self.context.channel_id());
 
-               Ok(self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, best_block.height(), logger))
+               Ok(self.get_announcement_sigs(node_signer, chain_hash, user_config, best_block.height(), logger))
        }
 
        pub fn update_add_htlc<F, FE: Deref, L: Deref>(
@@ -3766,7 +3767,7 @@ impl<SP: Deref> Channel<SP> where
        /// successfully and we should restore normal operation. Returns messages which should be sent
        /// to the remote side.
        pub fn monitor_updating_restored<L: Deref, NS: Deref>(
-               &mut self, logger: &L, node_signer: &NS, genesis_block_hash: BlockHash,
+               &mut self, logger: &L, node_signer: &NS, chain_hash: ChainHash,
                user_config: &UserConfig, best_block_height: u32
        ) -> MonitorRestoreUpdates
        where
@@ -3807,7 +3808,7 @@ impl<SP: Deref> Channel<SP> where
                        })
                } else { None };
 
-               let announcement_sigs = self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, best_block_height, logger);
+               let announcement_sigs = self.get_announcement_sigs(node_signer, chain_hash, user_config, best_block_height, logger);
 
                let mut accepted_htlcs = Vec::new();
                mem::swap(&mut accepted_htlcs, &mut self.context.monitor_pending_forwards);
@@ -3977,7 +3978,7 @@ impl<SP: Deref> Channel<SP> where
        /// [`super::channelmanager::ChannelManager::force_close_all_channels_without_broadcasting_txn`].
        pub fn channel_reestablish<L: Deref, NS: Deref>(
                &mut self, msg: &msgs::ChannelReestablish, logger: &L, node_signer: &NS,
-               genesis_block_hash: BlockHash, user_config: &UserConfig, best_block: &BestBlock
+               chain_hash: ChainHash, user_config: &UserConfig, best_block: &BestBlock
        ) -> Result<ReestablishResponses, ChannelError>
        where
                L::Target: Logger,
@@ -4036,7 +4037,7 @@ impl<SP: Deref> Channel<SP> where
 
                let shutdown_msg = self.get_outbound_shutdown();
 
-               let announcement_sigs = self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, best_block.height(), logger);
+               let announcement_sigs = self.get_announcement_sigs(node_signer, chain_hash, user_config, best_block.height(), logger);
 
                if self.context.channel_state & (ChannelState::FundingSent as u32) == ChannelState::FundingSent as u32 {
                        // If we're waiting on a monitor update, we shouldn't re-send any channel_ready's.
@@ -4813,7 +4814,7 @@ impl<SP: Deref> Channel<SP> where
        /// In the second, we simply return an Err indicating we need to be force-closed now.
        pub fn transactions_confirmed<NS: Deref, L: Deref>(
                &mut self, block_hash: &BlockHash, height: u32, txdata: &TransactionData,
-               genesis_block_hash: BlockHash, node_signer: &NS, user_config: &UserConfig, logger: &L
+               chain_hash: ChainHash, node_signer: &NS, user_config: &UserConfig, logger: &L
        ) -> Result<(Option<msgs::ChannelReady>, Option<msgs::AnnouncementSignatures>), ClosureReason>
        where
                NS::Target: NodeSigner,
@@ -4874,7 +4875,7 @@ impl<SP: Deref> Channel<SP> where
                                        // may have already happened for this block).
                                        if let Some(channel_ready) = self.check_get_channel_ready(height) {
                                                log_info!(logger, "Sending a channel_ready to our peer for channel {}", &self.context.channel_id);
-                                               let announcement_sigs = self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, height, logger);
+                                               let announcement_sigs = self.get_announcement_sigs(node_signer, chain_hash, user_config, height, logger);
                                                msgs = (Some(channel_ready), announcement_sigs);
                                        }
                                }
@@ -4901,19 +4902,19 @@ impl<SP: Deref> Channel<SP> where
        /// May return some HTLCs (and their payment_hash) which have timed out and should be failed
        /// back.
        pub fn best_block_updated<NS: Deref, L: Deref>(
-               &mut self, height: u32, highest_header_time: u32, genesis_block_hash: BlockHash,
+               &mut self, height: u32, highest_header_time: u32, chain_hash: ChainHash,
                node_signer: &NS, user_config: &UserConfig, logger: &L
        ) -> Result<(Option<msgs::ChannelReady>, Vec<(HTLCSource, PaymentHash)>, Option<msgs::AnnouncementSignatures>), ClosureReason>
        where
                NS::Target: NodeSigner,
                L::Target: Logger
        {
-               self.do_best_block_updated(height, highest_header_time, Some((genesis_block_hash, node_signer, user_config)), logger)
+               self.do_best_block_updated(height, highest_header_time, Some((chain_hash, node_signer, user_config)), logger)
        }
 
        fn do_best_block_updated<NS: Deref, L: Deref>(
                &mut self, height: u32, highest_header_time: u32,
-               genesis_node_signer: Option<(BlockHash, &NS, &UserConfig)>, logger: &L
+               chain_node_signer: Option<(ChainHash, &NS, &UserConfig)>, logger: &L
        ) -> Result<(Option<msgs::ChannelReady>, Vec<(HTLCSource, PaymentHash)>, Option<msgs::AnnouncementSignatures>), ClosureReason>
        where
                NS::Target: NodeSigner,
@@ -4939,8 +4940,8 @@ impl<SP: Deref> Channel<SP> where
                self.context.update_time_counter = cmp::max(self.context.update_time_counter, highest_header_time);
 
                if let Some(channel_ready) = self.check_get_channel_ready(height) {
-                       let announcement_sigs = if let Some((genesis_block_hash, node_signer, user_config)) = genesis_node_signer {
-                               self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, height, logger)
+                       let announcement_sigs = if let Some((chain_hash, node_signer, user_config)) = chain_node_signer {
+                               self.get_announcement_sigs(node_signer, chain_hash, user_config, height, logger)
                        } else { None };
                        log_info!(logger, "Sending a channel_ready to our peer for channel {}", &self.context.channel_id);
                        return Ok((Some(channel_ready), timed_out_htlcs, announcement_sigs));
@@ -4980,8 +4981,8 @@ impl<SP: Deref> Channel<SP> where
                        return Err(ClosureReason::FundingTimedOut);
                }
 
-               let announcement_sigs = if let Some((genesis_block_hash, node_signer, user_config)) = genesis_node_signer {
-                       self.get_announcement_sigs(node_signer, genesis_block_hash, user_config, height, logger)
+               let announcement_sigs = if let Some((chain_hash, node_signer, user_config)) = chain_node_signer {
+                       self.get_announcement_sigs(node_signer, chain_hash, user_config, height, logger)
                } else { None };
                Ok((None, timed_out_htlcs, announcement_sigs))
        }
@@ -4998,7 +4999,7 @@ impl<SP: Deref> Channel<SP> where
                        // larger. If we don't know that time has moved forward, we can just set it to the last
                        // time we saw and it will be ignored.
                        let best_time = self.context.update_time_counter;
-                       match self.do_best_block_updated(reorg_height, best_time, None::<(BlockHash, &&NodeSigner, &UserConfig)>, logger) {
+                       match self.do_best_block_updated(reorg_height, best_time, None::<(ChainHash, &&NodeSigner, &UserConfig)>, logger) {
                                Ok((channel_ready, timed_out_htlcs, announcement_sigs)) => {
                                        assert!(channel_ready.is_none(), "We can't generate a funding with 0 confirmations?");
                                        assert!(timed_out_htlcs.is_empty(), "We can't have accepted HTLCs with a timeout before our funding confirmation?");
@@ -5028,7 +5029,7 @@ impl<SP: Deref> Channel<SP> where
        ///
        /// [`ChannelReady`]: crate::ln::msgs::ChannelReady
        fn get_channel_announcement<NS: Deref>(
-               &self, node_signer: &NS, chain_hash: BlockHash, user_config: &UserConfig,
+               &self, node_signer: &NS, chain_hash: ChainHash, user_config: &UserConfig,
        ) -> Result<msgs::UnsignedChannelAnnouncement, ChannelError> where NS::Target: NodeSigner {
                if !self.context.config.announced_channel {
                        return Err(ChannelError::Ignore("Channel is not available for public announcements".to_owned()));
@@ -5059,7 +5060,7 @@ impl<SP: Deref> Channel<SP> where
        }
 
        fn get_announcement_sigs<NS: Deref, L: Deref>(
-               &mut self, node_signer: &NS, genesis_block_hash: BlockHash, user_config: &UserConfig,
+               &mut self, node_signer: &NS, chain_hash: ChainHash, user_config: &UserConfig,
                best_block_height: u32, logger: &L
        ) -> Option<msgs::AnnouncementSignatures>
        where
@@ -5084,7 +5085,7 @@ impl<SP: Deref> Channel<SP> where
                }
 
                log_trace!(logger, "Creating an announcement_signatures message for channel {}", &self.context.channel_id());
-               let announcement = match self.get_channel_announcement(node_signer, genesis_block_hash, user_config) {
+               let announcement = match self.get_channel_announcement(node_signer, chain_hash, user_config) {
                        Ok(a) => a,
                        Err(e) => {
                                log_trace!(logger, "{:?}", e);
@@ -5158,7 +5159,7 @@ impl<SP: Deref> Channel<SP> where
        /// channel_announcement message which we can broadcast and storing our counterparty's
        /// signatures for later reconstruction/rebroadcast of the channel_announcement.
        pub fn announcement_signatures<NS: Deref>(
-               &mut self, node_signer: &NS, chain_hash: BlockHash, best_block_height: u32,
+               &mut self, node_signer: &NS, chain_hash: ChainHash, best_block_height: u32,
                msg: &msgs::AnnouncementSignatures, user_config: &UserConfig
        ) -> Result<msgs::ChannelAnnouncement, ChannelError> where NS::Target: NodeSigner {
                let announcement = self.get_channel_announcement(node_signer, chain_hash, user_config)?;
@@ -5188,7 +5189,7 @@ impl<SP: Deref> Channel<SP> where
        /// Gets a signed channel_announcement for this channel, if we previously received an
        /// announcement_signatures from our counterparty.
        pub fn get_signed_channel_announcement<NS: Deref>(
-               &self, node_signer: &NS, chain_hash: BlockHash, best_block_height: u32, user_config: &UserConfig
+               &self, node_signer: &NS, chain_hash: ChainHash, best_block_height: u32, user_config: &UserConfig
        ) -> Option<msgs::ChannelAnnouncement> where NS::Target: NodeSigner {
                if self.context.funding_tx_confirmation_height == 0 || self.context.funding_tx_confirmation_height + 5 > best_block_height {
                        return None;
@@ -5998,7 +5999,7 @@ impl<SP: Deref> OutboundV1Channel<SP> where SP::Target: SignerProvider {
        /// not of our ability to open any channel at all. Thus, on error, we should first call this
        /// and see if we get a new `OpenChannel` message, otherwise the channel is failed.
        pub(crate) fn maybe_handle_error_without_close<F: Deref>(
-               &mut self, chain_hash: BlockHash, fee_estimator: &LowerBoundedFeeEstimator<F>
+               &mut self, chain_hash: ChainHash, fee_estimator: &LowerBoundedFeeEstimator<F>
        ) -> Result<msgs::OpenChannel, ()>
        where
                F::Target: FeeEstimator
@@ -6030,7 +6031,7 @@ impl<SP: Deref> OutboundV1Channel<SP> where SP::Target: SignerProvider {
                Ok(self.get_open_channel(chain_hash))
        }
 
-       pub fn get_open_channel(&self, chain_hash: BlockHash) -> msgs::OpenChannel {
+       pub fn get_open_channel(&self, chain_hash: ChainHash) -> msgs::OpenChannel {
                if !self.context.is_outbound() {
                        panic!("Tried to open a channel for an inbound channel?");
                }
@@ -7633,9 +7634,9 @@ impl<'a, 'b, 'c, ES: Deref, SP: Deref> ReadableArgs<(&'a ES, &'b SP, u32, &'c Ch
 #[cfg(test)]
 mod tests {
        use std::cmp;
+       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::blockdata::script::{Script, Builder};
        use bitcoin::blockdata::transaction::{Transaction, TxOut};
-       use bitcoin::blockdata::constants::genesis_block;
        use bitcoin::blockdata::opcodes;
        use bitcoin::network::constants::Network;
        use hex;
@@ -7779,7 +7780,7 @@ mod tests {
                // Now change the fee so we can check that the fee in the open_channel message is the
                // same as the old fee.
                fee_est.fee_est = 500;
-               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(ChainHash::using_genesis_block(network));
                assert_eq!(open_channel_msg.feerate_per_kw, original_fee);
        }
 
@@ -7805,7 +7806,7 @@ mod tests {
 
                // Create Node B's channel by receiving Node A's open_channel message
                // Make sure A's dust limit is as we expect.
-               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(ChainHash::using_genesis_block(network));
                let node_b_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[7; 32]).unwrap());
                let mut node_b_chan = InboundV1Channel::<&TestKeysInterface>::new(&feeest, &&keys_provider, &&keys_provider, node_b_node_id, &channelmanager::provided_channel_type_features(&config), &channelmanager::provided_init_features(&config), &open_channel_msg, 7, &config, 0, &&logger, /*is_0conf=*/false).unwrap();
 
@@ -7923,7 +7924,7 @@ mod tests {
                let seed = [42; 32];
                let network = Network::Testnet;
                let best_block = BestBlock::from_network(network);
-               let chain_hash = best_block.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(network);
                let keys_provider = test_utils::TestKeysInterface::new(&seed, network);
 
                // Go through the flow of opening a channel between two nodes.
@@ -8003,7 +8004,7 @@ mod tests {
                let chan_2_value_msat = chan_2.context.channel_value_satoshis * 1000;
                assert_eq!(chan_2.context.holder_max_htlc_value_in_flight_msat, (chan_2_value_msat as f64 * 0.99) as u64);
 
-               let chan_1_open_channel_msg = chan_1.get_open_channel(genesis_block(network).header.block_hash());
+               let chan_1_open_channel_msg = chan_1.get_open_channel(ChainHash::using_genesis_block(network));
 
                // Test that `InboundV1Channel::new` creates a channel with the correct value for
                // `holder_max_htlc_value_in_flight_msat`, when configured with a valid percentage value,
@@ -8084,7 +8085,7 @@ mod tests {
                let expected_outbound_selected_chan_reserve = cmp::max(MIN_THEIR_CHAN_RESERVE_SATOSHIS, (chan.context.channel_value_satoshis as f64 * outbound_selected_channel_reserve_perc) as u64);
                assert_eq!(chan.context.holder_selected_channel_reserve_satoshis, expected_outbound_selected_chan_reserve);
 
-               let chan_open_channel_msg = chan.get_open_channel(genesis_block(network).header.block_hash());
+               let chan_open_channel_msg = chan.get_open_channel(ChainHash::using_genesis_block(network));
                let mut inbound_node_config = UserConfig::default();
                inbound_node_config.channel_handshake_config.their_channel_reserve_proportional_millionths = (inbound_selected_channel_reserve_perc * 1_000_000.0) as u32;
 
@@ -8110,7 +8111,7 @@ mod tests {
                let seed = [42; 32];
                let network = Network::Testnet;
                let best_block = BestBlock::from_network(network);
-               let chain_hash = genesis_block(network).header.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(network);
                let keys_provider = test_utils::TestKeysInterface::new(&seed, network);
 
                // Create Node A's channel pointing to Node B's pubkey
@@ -8120,7 +8121,7 @@ mod tests {
 
                // Create Node B's channel by receiving Node A's open_channel message
                // Make sure A's dust limit is as we expect.
-               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(ChainHash::using_genesis_block(network));
                let node_b_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[7; 32]).unwrap());
                let mut node_b_chan = InboundV1Channel::<&TestKeysInterface>::new(&feeest, &&keys_provider, &&keys_provider, node_b_node_id, &channelmanager::provided_channel_type_features(&config), &channelmanager::provided_init_features(&config), &open_channel_msg, 7, &config, 0, &&logger, /*is_0conf=*/false).unwrap();
 
@@ -8957,7 +8958,7 @@ mod tests {
                let mut channel_type_features = ChannelTypeFeatures::only_static_remote_key();
                channel_type_features.set_zero_conf_required();
 
-               let mut open_channel_msg = node_a_chan.get_open_channel(genesis_block(network).header.block_hash());
+               let mut open_channel_msg = node_a_chan.get_open_channel(ChainHash::using_genesis_block(network));
                open_channel_msg.channel_type = Some(channel_type_features);
                let node_b_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[7; 32]).unwrap());
                let res = InboundV1Channel::<&TestKeysInterface>::new(&feeest, &&keys_provider, &&keys_provider,
@@ -9000,7 +9001,7 @@ mod tests {
                        &channelmanager::provided_init_features(&config), 10000000, 100000, 42, &config, 0, 42
                ).unwrap();
 
-               let open_channel_msg = channel_a.get_open_channel(genesis_block(network).header.block_hash());
+               let open_channel_msg = channel_a.get_open_channel(ChainHash::using_genesis_block(network));
                let channel_b = InboundV1Channel::<&TestKeysInterface>::new(
                        &fee_estimator, &&keys_provider, &&keys_provider, node_id_a,
                        &channelmanager::provided_channel_type_features(&config), &channelmanager::provided_init_features(&config),
@@ -9038,7 +9039,7 @@ mod tests {
                ).unwrap();
 
                // Set `channel_type` to `None` to force the implicit feature negotiation.
-               let mut open_channel_msg = channel_a.get_open_channel(genesis_block(network).header.block_hash());
+               let mut open_channel_msg = channel_a.get_open_channel(ChainHash::using_genesis_block(network));
                open_channel_msg.channel_type = None;
 
                // Since A supports both `static_remote_key` and `option_anchors`, but B only accepts
@@ -9083,7 +9084,7 @@ mod tests {
                        &channelmanager::provided_init_features(&config), 10000000, 100000, 42, &config, 0, 42
                ).unwrap();
 
-               let mut open_channel_msg = channel_a.get_open_channel(genesis_block(network).header.block_hash());
+               let mut open_channel_msg = channel_a.get_open_channel(ChainHash::using_genesis_block(network));
                open_channel_msg.channel_type = Some(simple_anchors_channel_type.clone());
 
                let res = InboundV1Channel::<&TestKeysInterface>::new(
@@ -9102,7 +9103,7 @@ mod tests {
                        10000000, 100000, 42, &config, 0, 42
                ).unwrap();
 
-               let open_channel_msg = channel_a.get_open_channel(genesis_block(network).header.block_hash());
+               let open_channel_msg = channel_a.get_open_channel(ChainHash::using_genesis_block(network));
 
                let channel_b = InboundV1Channel::<&TestKeysInterface>::new(
                        &fee_estimator, &&keys_provider, &&keys_provider, node_id_a,
@@ -9127,7 +9128,7 @@ mod tests {
                let seed = [42; 32];
                let network = Network::Testnet;
                let best_block = BestBlock::from_network(network);
-               let chain_hash = genesis_block(network).header.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(network);
                let keys_provider = test_utils::TestKeysInterface::new(&seed, network);
 
                let mut config = UserConfig::default();
@@ -9151,7 +9152,7 @@ mod tests {
                        42,
                ).unwrap();
 
-               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(ChainHash::using_genesis_block(network));
                let node_b_node_id = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[7; 32]).unwrap());
                let mut node_b_chan = InboundV1Channel::<&TestKeysInterface>::new(
                        &feeest,
index 755cb2c76845678dc97e75c804884e0c3dcdec3c..a4079734241e4b80f929a10514f885846ee8b816 100644 (file)
@@ -19,7 +19,7 @@
 
 use bitcoin::blockdata::block::BlockHeader;
 use bitcoin::blockdata::transaction::Transaction;
-use bitcoin::blockdata::constants::{genesis_block, ChainHash};
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::network::constants::Network;
 
 use bitcoin::hashes::Hash;
@@ -1018,7 +1018,7 @@ where
        L::Target: Logger,
 {
        default_configuration: UserConfig,
-       genesis_hash: BlockHash,
+       chain_hash: ChainHash,
        fee_estimator: LowerBoundedFeeEstimator<F>,
        chain_monitor: M,
        tx_broadcaster: T,
@@ -2012,7 +2012,7 @@ macro_rules! emit_channel_ready_event {
 macro_rules! handle_monitor_update_completion {
        ($self: ident, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan: expr) => { {
                let mut updates = $chan.monitor_updating_restored(&$self.logger,
-                       &$self.node_signer, $self.genesis_hash, &$self.default_configuration,
+                       &$self.node_signer, $self.chain_hash, &$self.default_configuration,
                        $self.best_block.read().unwrap().height());
                let counterparty_node_id = $chan.context.get_counterparty_node_id();
                let channel_update = if updates.channel_ready.is_some() && $chan.context.is_usable() {
@@ -2258,7 +2258,7 @@ where
                let expanded_inbound_key = inbound_payment::ExpandedKey::new(&inbound_pmt_key_material);
                ChannelManager {
                        default_configuration: config.clone(),
-                       genesis_hash: genesis_block(params.network).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(params.network),
                        fee_estimator: LowerBoundedFeeEstimator::new(fee_est),
                        chain_monitor,
                        tx_broadcaster,
@@ -2317,7 +2317,7 @@ where
                        if cfg!(fuzzing) { // fuzzing chacha20 doesn't use the key at all so we always get the same alias
                                outbound_scid_alias += 1;
                        } else {
-                               outbound_scid_alias = fake_scid::Namespace::OutboundAlias.get_fake_scid(height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+                               outbound_scid_alias = fake_scid::Namespace::OutboundAlias.get_fake_scid(height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
                        }
                        if outbound_scid_alias != 0 && self.outbound_scid_aliases.lock().unwrap().insert(outbound_scid_alias) {
                                break;
@@ -2387,7 +2387,7 @@ where
                                },
                        }
                };
-               let res = channel.get_open_channel(self.genesis_hash.clone());
+               let res = channel.get_open_channel(self.chain_hash);
 
                let temporary_channel_id = channel.context.channel_id();
                match peer_state.channel_by_id.entry(temporary_channel_id) {
@@ -3103,8 +3103,8 @@ where
                                        // Note that this is likely a timing oracle for detecting whether an scid is a
                                        // phantom or an intercept.
                                        if (self.default_configuration.accept_intercept_htlcs &&
-                                               fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, outgoing_scid, &self.genesis_hash)) ||
-                                               fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, outgoing_scid, &self.genesis_hash)
+                                               fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, outgoing_scid, &self.chain_hash)) ||
+                                               fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, outgoing_scid, &self.chain_hash)
                                        {
                                                None
                                        } else {
@@ -3332,7 +3332,7 @@ where
                };
 
                let unsigned = msgs::UnsignedChannelUpdate {
-                       chain_hash: self.genesis_hash,
+                       chain_hash: self.chain_hash,
                        short_channel_id,
                        timestamp: chan.context.get_update_time_counter(),
                        flags: (!were_node_one) as u8 | ((!enabled as u8) << 1),
@@ -4250,7 +4250,7 @@ where
                                                                                }
                                                                                if let PendingHTLCRouting::Forward { onion_packet, .. } = routing {
                                                                                        let phantom_pubkey_res = self.node_signer.get_node_id(Recipient::PhantomNode);
-                                                                                       if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.genesis_hash) {
+                                                                                       if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.chain_hash) {
                                                                                                let phantom_shared_secret = self.node_signer.ecdh(Recipient::PhantomNode, &onion_packet.public_key.unwrap(), None).unwrap().secret_bytes();
                                                                                                let next_hop = match onion_utils::decode_next_payment_hop(
                                                                                                        phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac,
@@ -5876,7 +5876,7 @@ where
        fn internal_open_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::OpenChannel) -> Result<(), MsgHandleErrInternal> {
                // Note that the ChannelManager is NOT re-persisted on disk after this, so any changes are
                // likely to be lost on restart!
-               if msg.chain_hash != self.genesis_hash {
+               if msg.chain_hash != self.chain_hash {
                        return Err(MsgHandleErrInternal::send_err_msg_no_close("Unknown genesis block hash".to_owned(), msg.temporary_channel_id.clone()));
                }
 
@@ -6141,7 +6141,7 @@ where
                        hash_map::Entry::Occupied(mut chan_phase_entry) => {
                                if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
                                        let announcement_sigs_opt = try_chan_phase_entry!(self, chan.channel_ready(&msg, &self.node_signer,
-                                               self.genesis_hash.clone(), &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan_phase_entry);
+                                               self.chain_hash, &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan_phase_entry);
                                        if let Some(announcement_sigs) = announcement_sigs_opt {
                                                log_trace!(self.logger, "Sending announcement_signatures for channel {}", chan.context.channel_id());
                                                peer_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
@@ -6518,7 +6518,7 @@ where
                                                },
                                                hash_map::Entry::Vacant(entry) => {
                                                        if !is_our_scid && forward_info.incoming_amt_msat.is_some() &&
-                                                          fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, scid, &self.genesis_hash)
+                                                          fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, scid, &self.chain_hash)
                                                        {
                                                                let intercept_id = InterceptId(Sha256::hash(&forward_info.incoming_shared_secret).into_inner());
                                                                let mut pending_intercepts = self.pending_intercepted_htlcs.lock().unwrap();
@@ -6711,7 +6711,7 @@ where
 
                                        peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
                                                msg: try_chan_phase_entry!(self, chan.announcement_signatures(
-                                                       &self.node_signer, self.genesis_hash.clone(), self.best_block.read().unwrap().height(),
+                                                       &self.node_signer, self.chain_hash, self.best_block.read().unwrap().height(),
                                                        msg, &self.default_configuration
                                                ), chan_phase_entry),
                                                // Note that announcement_signatures fails if the channel cannot be announced,
@@ -6799,7 +6799,7 @@ where
                                                // freed HTLCs to fail backwards. If in the future we no longer drop pending
                                                // add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
                                                let responses = try_chan_phase_entry!(self, chan.channel_reestablish(
-                                                       msg, &self.logger, &self.node_signer, self.genesis_hash,
+                                                       msg, &self.logger, &self.node_signer, self.chain_hash,
                                                        &self.default_configuration, &*self.best_block.read().unwrap()), chan_phase_entry);
                                                let mut channel_update = None;
                                                if let Some(msg) = responses.shutdown_msg {
@@ -7179,7 +7179,7 @@ where
                let best_block_height = self.best_block.read().unwrap().height();
                let short_to_chan_info = self.short_to_chan_info.read().unwrap();
                loop {
-                       let scid_candidate = fake_scid::Namespace::Phantom.get_fake_scid(best_block_height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+                       let scid_candidate = fake_scid::Namespace::Phantom.get_fake_scid(best_block_height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
                        // Ensure the generated scid doesn't conflict with a real channel.
                        match short_to_chan_info.get(&scid_candidate) {
                                Some(_) => continue,
@@ -7209,7 +7209,7 @@ where
                let best_block_height = self.best_block.read().unwrap().height();
                let short_to_chan_info = self.short_to_chan_info.read().unwrap();
                loop {
-                       let scid_candidate = fake_scid::Namespace::Intercept.get_fake_scid(best_block_height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+                       let scid_candidate = fake_scid::Namespace::Intercept.get_fake_scid(best_block_height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
                        // Ensure the generated scid doesn't conflict with a real channel.
                        if short_to_chan_info.contains_key(&scid_candidate) { continue }
                        return scid_candidate
@@ -7472,7 +7472,7 @@ where
                        *best_block = BestBlock::new(header.prev_blockhash, new_height)
                }
 
-               self.do_chain_event(Some(new_height), |channel| channel.best_block_updated(new_height, header.time, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+               self.do_chain_event(Some(new_height), |channel| channel.best_block_updated(new_height, header.time, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
        }
 }
 
@@ -7498,13 +7498,13 @@ where
                let _persistence_guard =
                        PersistenceNotifierGuard::optionally_notify_skipping_background_events(
                                self, || -> NotifyOption { NotifyOption::DoPersist });
-               self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger)
+               self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger)
                        .map(|(a, b)| (a, Vec::new(), b)));
 
                let last_best_block_height = self.best_block.read().unwrap().height();
                if height < last_best_block_height {
                        let timestamp = self.highest_seen_timestamp.load(Ordering::Acquire);
-                       self.do_chain_event(Some(last_best_block_height), |channel| channel.best_block_updated(last_best_block_height, timestamp as u32, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+                       self.do_chain_event(Some(last_best_block_height), |channel| channel.best_block_updated(last_best_block_height, timestamp as u32, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
                }
        }
 
@@ -7521,7 +7521,7 @@ where
                                self, || -> NotifyOption { NotifyOption::DoPersist });
                *self.best_block.write().unwrap() = BestBlock::new(block_hash, height);
 
-               self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+               self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
 
                macro_rules! max_time {
                        ($timestamp: expr) => {
@@ -7641,7 +7641,7 @@ where
                                                                                msg: announcement_sigs,
                                                                        });
                                                                        if let Some(height) = height_opt {
-                                                                               if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.genesis_hash, height, &self.default_configuration) {
+                                                                               if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.chain_hash, height, &self.default_configuration) {
                                                                                        pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
                                                                                                msg: announcement,
                                                                                                // Note that announcement_signatures fails if the channel cannot be announced,
@@ -8251,7 +8251,7 @@ where
                                let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
                                let peer_state = &mut *peer_state_lock;
                                if let Some(ChannelPhase::UnfundedOutboundV1(chan)) = peer_state.channel_by_id.get_mut(&msg.channel_id) {
-                                       if let Ok(msg) = chan.maybe_handle_error_without_close(self.genesis_hash, &self.fee_estimator) {
+                                       if let Ok(msg) = chan.maybe_handle_error_without_close(self.chain_hash, &self.fee_estimator) {
                                                peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
                                                        node_id: *counterparty_node_id,
                                                        msg,
@@ -8274,8 +8274,8 @@ where
                provided_init_features(&self.default_configuration)
        }
 
-       fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
-               Some(vec![ChainHash::from(&self.genesis_hash[..])])
+       fn get_chain_hashes(&self) -> Option<Vec<ChainHash>> {
+               Some(vec![self.chain_hash])
        }
 
        fn handle_tx_add_input(&self, counterparty_node_id: &PublicKey, msg: &msgs::TxAddInput) {
@@ -8820,7 +8820,7 @@ where
 
                write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
 
-               self.genesis_hash.write(writer)?;
+               self.chain_hash.write(writer)?;
                {
                        let best_block = self.best_block.read().unwrap();
                        best_block.height().write(writer)?;
@@ -9231,7 +9231,7 @@ where
        fn read<Reader: io::Read>(reader: &mut Reader, mut args: ChannelManagerReadArgs<'a, M, T, ES, NS, SP, F, R, L>) -> Result<Self, DecodeError> {
                let _ver = read_ver_prefix!(reader, SERIALIZATION_VERSION);
 
-               let genesis_hash: BlockHash = Readable::read(reader)?;
+               let chain_hash: ChainHash = Readable::read(reader)?;
                let best_block_height: u32 = Readable::read(reader)?;
                let best_block_hash: BlockHash = Readable::read(reader)?;
 
@@ -9879,7 +9879,7 @@ where
                                                let mut outbound_scid_alias;
                                                loop {
                                                        outbound_scid_alias = fake_scid::Namespace::OutboundAlias
-                                                               .get_fake_scid(best_block_height, &genesis_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
+                                                               .get_fake_scid(best_block_height, &chain_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
                                                        if outbound_scid_aliases.insert(outbound_scid_alias) { break; }
                                                }
                                                chan.context.set_outbound_scid_alias(outbound_scid_alias);
@@ -9993,7 +9993,7 @@ where
                }
 
                let channel_manager = ChannelManager {
-                       genesis_hash,
+                       chain_hash,
                        fee_estimator: bounded_fee_estimator,
                        chain_monitor: args.chain_monitor,
                        tx_broadcaster: args.tx_broadcaster,
index 5e90ee7e92e31d0005dd65b35ac22c68a9eb9c98..c75ee379d8dae1e49b51d4ddf74b183e94172886 100644 (file)
@@ -40,7 +40,7 @@ use crate::util::config::{UserConfig, MaxDustHTLCExposure};
 use bitcoin::hash_types::BlockHash;
 use bitcoin::blockdata::script::{Builder, Script};
 use bitcoin::blockdata::opcodes;
-use bitcoin::blockdata::constants::genesis_block;
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::network::constants::Network;
 use bitcoin::{PackedLockTime, Sequence, Transaction, TxIn, TxOut, Witness};
 use bitcoin::OutPoint as BitcoinOutPoint;
@@ -5830,8 +5830,8 @@ fn bolt2_open_channel_sending_node_checks_part2() {
        assert!(node0_to_1_send_open_channel.to_self_delay==BREAKDOWN_TIMEOUT);
 
        // BOLT #2 spec: Sending node must ensure the chain_hash value identifies the chain it wishes to open the channel within.
-       let chain_hash=genesis_block(Network::Testnet).header.block_hash();
-       assert_eq!(node0_to_1_send_open_channel.chain_hash,chain_hash);
+       let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
+       assert_eq!(node0_to_1_send_open_channel.chain_hash, chain_hash);
 
        // BOLT #2 spec: Sending node must set funding_pubkey, revocation_basepoint, htlc_basepoint, payment_basepoint, and delayed_payment_basepoint to valid DER-encoded, compressed, secp256k1 pubkeys.
        assert!(PublicKey::from_slice(&node0_to_1_send_open_channel.funding_pubkey.serialize()).is_ok());
index a68ac35218594689cd36402b7b4c05df3fa7321c..f86dc74befe255adc64caf31bdf8bff9cf91a697 100644 (file)
@@ -29,7 +29,7 @@ use bitcoin::secp256k1::PublicKey;
 use bitcoin::secp256k1::ecdsa::Signature;
 use bitcoin::{secp256k1, Witness};
 use bitcoin::blockdata::script::Script;
-use bitcoin::hash_types::{Txid, BlockHash};
+use bitcoin::hash_types::Txid;
 
 use crate::blinded_path::payment::ReceiveTlvs;
 use crate::ln::{ChannelId, PaymentPreimage, PaymentHash, PaymentSecret};
@@ -177,7 +177,7 @@ pub struct Pong {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct OpenChannel {
        /// The genesis hash of the blockchain where the channel is to be opened
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// A temporary channel ID, until the funding outpoint is announced
        pub temporary_channel_id: ChannelId,
        /// The channel value
@@ -231,7 +231,7 @@ pub struct OpenChannel {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct OpenChannelV2 {
        /// The genesis hash of the blockchain where the channel is to be opened
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// A temporary channel ID derived using a zeroed out value for the channel acceptor's revocation basepoint
        pub temporary_channel_id: ChannelId,
        /// The feerate for the funding transaction set by the channel initiator
@@ -1072,7 +1072,7 @@ pub struct UnsignedChannelAnnouncement {
        /// The advertised channel features
        pub features: ChannelFeatures,
        /// The genesis hash of the blockchain where the channel is to be opened
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The short channel ID
        pub short_channel_id: u64,
        /// One of the two `node_id`s which are endpoints of this channel
@@ -1112,7 +1112,7 @@ pub struct ChannelAnnouncement {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct UnsignedChannelUpdate {
        /// The genesis hash of the blockchain where the channel is to be opened
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The short channel ID
        pub short_channel_id: u64,
        /// A strictly monotonic announcement counter, with gaps allowed, specific to this channel
@@ -1164,7 +1164,7 @@ pub struct ChannelUpdate {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct QueryChannelRange {
        /// The genesis hash of the blockchain being queried
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The height of the first block for the channel UTXOs being queried
        pub first_blocknum: u32,
        /// The number of blocks to include in the query results
@@ -1185,7 +1185,7 @@ pub struct QueryChannelRange {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct ReplyChannelRange {
        /// The genesis hash of the blockchain being queried
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The height of the first block in the range of the reply
        pub first_blocknum: u32,
        /// The number of blocks included in the range of the reply
@@ -1210,7 +1210,7 @@ pub struct ReplyChannelRange {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct QueryShortChannelIds {
        /// The genesis hash of the blockchain being queried
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The short_channel_ids that are being queried
        pub short_channel_ids: Vec<u64>,
 }
@@ -1224,7 +1224,7 @@ pub struct QueryShortChannelIds {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct ReplyShortChannelIdsEnd {
        /// The genesis hash of the blockchain that was queried
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// Indicates if the query recipient maintains up-to-date channel
        /// information for the `chain_hash`
        pub full_information: bool,
@@ -1238,7 +1238,7 @@ pub struct ReplyShortChannelIdsEnd {
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct GossipTimestampFilter {
        /// The genesis hash of the blockchain for channel and node information
-       pub chain_hash: BlockHash,
+       pub chain_hash: ChainHash,
        /// The starting unix timestamp
        pub first_timestamp: u32,
        /// The range of information in seconds
@@ -1420,11 +1420,11 @@ pub trait ChannelMessageHandler : MessageSendEventsProvider {
        /// Note that this method is called before [`Self::peer_connected`].
        fn provided_init_features(&self, their_node_id: &PublicKey) -> InitFeatures;
 
-       /// Gets the genesis hashes for this `ChannelMessageHandler` indicating which chains it supports.
+       /// Gets the chain hashes for this `ChannelMessageHandler` indicating which chains it supports.
        ///
        /// If it's `None`, then no particular network chain hash compatibility will be enforced when
        /// connecting to peers.
-       fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>>;
+       fn get_chain_hashes(&self) -> Option<Vec<ChainHash>>;
 }
 
 /// A trait to describe an object which can receive routing messages.
@@ -2507,7 +2507,7 @@ impl_writeable!(NodeAnnouncement, {
 
 impl Readable for QueryShortChannelIds {
        fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
-               let chain_hash: BlockHash = Readable::read(r)?;
+               let chain_hash: ChainHash = Readable::read(r)?;
 
                let encoding_len: u16 = Readable::read(r)?;
                let encoding_type: u8 = Readable::read(r)?;
@@ -2583,7 +2583,7 @@ impl_writeable_msg!(QueryChannelRange, {
 
 impl Readable for ReplyChannelRange {
        fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError> {
-               let chain_hash: BlockHash = Readable::read(r)?;
+               let chain_hash: ChainHash = Readable::read(r)?;
                let first_blocknum: u32 = Readable::read(r)?;
                let number_of_blocks: u32 = Readable::read(r)?;
                let sync_complete: bool = Readable::read(r)?;
@@ -2648,7 +2648,6 @@ impl_writeable_msg!(GossipTimestampFilter, {
 #[cfg(test)]
 mod tests {
        use std::convert::TryFrom;
-       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::{Transaction, PackedLockTime, TxIn, Script, Sequence, Witness, TxOut};
        use hex;
        use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
@@ -2663,9 +2662,10 @@ mod tests {
        use bitcoin::hashes::hex::FromHex;
        use bitcoin::util::address::Address;
        use bitcoin::network::constants::Network;
+       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::blockdata::script::Builder;
        use bitcoin::blockdata::opcodes;
-       use bitcoin::hash_types::{Txid, BlockHash};
+       use bitcoin::hash_types::Txid;
 
        use bitcoin::secp256k1::{PublicKey,SecretKey};
        use bitcoin::secp256k1::{Secp256k1, Message};
@@ -2794,7 +2794,7 @@ mod tests {
                }
                let unsigned_channel_announcement = msgs::UnsignedChannelAnnouncement {
                        features,
-                       chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                        short_channel_id: 2316138423780173,
                        node_id_1: NodeId::from_pubkey(&pubkey_1),
                        node_id_2: NodeId::from_pubkey(&pubkey_2),
@@ -2816,7 +2816,7 @@ mod tests {
                } else {
                        target_value.append(&mut hex::decode("0000").unwrap());
                }
-               target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
+               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                target_value.append(&mut hex::decode("00083a840000034d031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b").unwrap());
                if excess_data {
                        target_value.append(&mut hex::decode("0a00001400001e000028").unwrap());
@@ -2945,7 +2945,7 @@ mod tests {
                let (privkey_1, _) = get_keys_from!("0101010101010101010101010101010101010101010101010101010101010101", secp_ctx);
                let sig_1 = get_sig_on!(privkey_1, secp_ctx, String::from("01010101010101010101010101010101"));
                let unsigned_channel_update = msgs::UnsignedChannelUpdate {
-                       chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                        short_channel_id: 2316138423780173,
                        timestamp: 20190119,
                        flags: if direction { 1 } else { 0 } | if disable { 1 << 1 } else { 0 },
@@ -2962,7 +2962,7 @@ mod tests {
                };
                let encoded_value = channel_update.encode();
                let mut target_value = hex::decode("d977cb9b53d93a6ff64bb5f1e158b4094b66e798fb12911168a3ccdf80a83096340a6a95da0ae8d9f776528eecdbb747eb6b545495a4319ed5378e35b21e073a").unwrap();
-               target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
+               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                target_value.append(&mut hex::decode("00083a840000034d013413a7").unwrap());
                target_value.append(&mut hex::decode("01").unwrap());
                target_value.append(&mut hex::decode("00").unwrap());
@@ -3003,7 +3003,7 @@ mod tests {
                let (_, pubkey_5) = get_keys_from!("0505050505050505050505050505050505050505050505050505050505050505", secp_ctx);
                let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
                let open_channel = msgs::OpenChannel {
-                       chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                        temporary_channel_id: ChannelId::from_bytes([2; 32]),
                        funding_satoshis: 1311768467284833366,
                        push_msat: 2536655962884945560,
@@ -3026,7 +3026,7 @@ mod tests {
                };
                let encoded_value = open_channel.encode();
                let mut target_value = Vec::new();
-               target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
+               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                target_value.append(&mut hex::decode("02020202020202020202020202020202020202020202020202020202020202021234567890123456233403289122369832144668701144767633030896203198784335490624111800083a840000034d000c89d4c0bcc0bc031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f024d4b6cd1361032ca9bd2aeb9d900aa4d45d9ead80ac9423374c451a7254d076602531fe6068134503d2723133227c867ac8fa6c83c537e9a44c3c5bdbdcb1fe33703462779ad4aad39514614751a71085f2f10e1c7a593e4e030efb5b8721ce55b0b0362c0a046dacce86ddd0343c6d3c7c79c2208ba0d9c9cf24a6d046d21d21f90f703f006a18d5653c4edf5391ff23a61f03ff83d237e880ee61187fa9f379a028e0a").unwrap());
                if random_bit {
                        target_value.append(&mut hex::decode("20").unwrap());
@@ -3064,7 +3064,7 @@ mod tests {
                let (_, pubkey_6) = get_keys_from!("0606060606060606060606060606060606060606060606060606060606060606", secp_ctx);
                let (_, pubkey_7) = get_keys_from!("0707070707070707070707070707070707070707070707070707070707070707", secp_ctx);
                let open_channelv2 = msgs::OpenChannelV2 {
-                       chain_hash: BlockHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                        temporary_channel_id: ChannelId::from_bytes([2; 32]),
                        funding_feerate_sat_per_1000_weight: 821716,
                        commitment_feerate_sat_per_1000_weight: 821716,
@@ -3089,7 +3089,7 @@ mod tests {
                };
                let encoded_value = open_channelv2.encode();
                let mut target_value = Vec::new();
-               target_value.append(&mut hex::decode("000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f").unwrap());
+               target_value.append(&mut hex::decode("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap());
                target_value.append(&mut hex::decode("0202020202020202020202020202020202020202020202020202020202020202").unwrap());
                target_value.append(&mut hex::decode("000c89d4").unwrap());
                target_value.append(&mut hex::decode("000c89d4").unwrap());
@@ -3662,7 +3662,7 @@ mod tests {
 
        #[test]
        fn encoding_init() {
-               let mainnet_hash = ChainHash::from_hex("6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000").unwrap();
+               let mainnet_hash = ChainHash::using_genesis_block(Network::Bitcoin);
                assert_eq!(msgs::Init {
                        features: InitFeatures::from_le_bytes(vec![0xFF, 0xFF, 0xFF]),
                        networks: Some(vec![mainnet_hash]),
@@ -3900,7 +3900,7 @@ mod tests {
 
                for (first_blocknum, number_of_blocks, expected) in tests.into_iter() {
                        let sut = msgs::QueryChannelRange {
-                               chain_hash: BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Regtest),
                                first_blocknum,
                                number_of_blocks,
                        };
@@ -3911,12 +3911,12 @@ mod tests {
        #[test]
        fn encoding_query_channel_range() {
                let mut query_channel_range = msgs::QueryChannelRange {
-                       chain_hash: BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Regtest),
                        first_blocknum: 100000,
                        number_of_blocks: 1500,
                };
                let encoded_value = query_channel_range.encode();
-               let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206000186a0000005dc").unwrap();
+               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000186a0000005dc").unwrap();
                assert_eq!(encoded_value, target_value);
 
                query_channel_range = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -3931,8 +3931,8 @@ mod tests {
        }
 
        fn do_encoding_reply_channel_range(encoding_type: u8) {
-               let mut target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206000b8a06000005dc01").unwrap();
-               let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let mut target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f000b8a06000005dc01").unwrap();
+               let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut reply_channel_range = msgs::ReplyChannelRange {
                        chain_hash: expected_chain_hash,
                        first_blocknum: 756230,
@@ -3968,8 +3968,8 @@ mod tests {
        }
 
        fn do_encoding_query_short_channel_ids(encoding_type: u8) {
-               let mut target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e2206").unwrap();
-               let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let mut target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut query_short_channel_ids = msgs::QueryShortChannelIds {
                        chain_hash: expected_chain_hash,
                        short_channel_ids: vec![0x0000000000008e, 0x0000000000003c69, 0x000000000045a6c4],
@@ -3994,13 +3994,13 @@ mod tests {
 
        #[test]
        fn encoding_reply_short_channel_ids_end() {
-               let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut reply_short_channel_ids_end = msgs::ReplyShortChannelIdsEnd {
                        chain_hash: expected_chain_hash,
                        full_information: true,
                };
                let encoded_value = reply_short_channel_ids_end.encode();
-               let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e220601").unwrap();
+               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f01").unwrap();
                assert_eq!(encoded_value, target_value);
 
                reply_short_channel_ids_end = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
@@ -4010,14 +4010,14 @@ mod tests {
 
        #[test]
        fn encoding_gossip_timestamp_filter(){
-               let expected_chain_hash = BlockHash::from_hex("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f").unwrap();
+               let expected_chain_hash = ChainHash::using_genesis_block(Network::Regtest);
                let mut gossip_timestamp_filter = msgs::GossipTimestampFilter {
                        chain_hash: expected_chain_hash,
                        first_timestamp: 1590000000,
                        timestamp_range: 0xffff_ffff,
                };
                let encoded_value = gossip_timestamp_filter.encode();
-               let target_value = hex::decode("0f9188f13cb7b2c71f2a335e3a4fc328bf5beb436012afca590b1a11466e22065ec57980ffffffff").unwrap();
+               let target_value = hex::decode("06226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f5ec57980ffffffff").unwrap();
                assert_eq!(encoded_value, target_value);
 
                gossip_timestamp_filter = Readable::read(&mut Cursor::new(&target_value[..])).unwrap();
index ca7d33f50c032907cef80d3629fd943e813ba4a7..709e15bc22ec6ce489b01336d2032185bf2261d1 100644 (file)
@@ -29,8 +29,7 @@ use crate::util::test_utils;
 use crate::util::config::{UserConfig, ChannelConfig, MaxDustHTLCExposure};
 use crate::util::errors::APIError;
 
-use bitcoin::hash_types::BlockHash;
-
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::hashes::{Hash, HashEngine};
 use bitcoin::hashes::hmac::{Hmac, HmacEngine};
 use bitcoin::hashes::sha256::Hash as Sha256;
@@ -234,12 +233,13 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(
 
 impl msgs::ChannelUpdate {
        fn dummy(short_channel_id: u64) -> msgs::ChannelUpdate {
+               use bitcoin::hash_types::BlockHash;
                use bitcoin::secp256k1::ffi::Signature as FFISignature;
                use bitcoin::secp256k1::ecdsa::Signature;
                msgs::ChannelUpdate {
                        signature: Signature::from(unsafe { FFISignature::new() }),
                        contents: msgs::UnsignedChannelUpdate {
-                               chain_hash: BlockHash::hash(&vec![0u8][..]),
+                               chain_hash: ChainHash::from(BlockHash::hash(&vec![0u8][..]).as_ref()),
                                short_channel_id,
                                timestamp: 0,
                                flags: 0,
index 92826244e09ee2b03f674e49c9e229e0a65a20ff..933e7ee6ba58ee67e46260d14164ab0d46588a10 100644 (file)
@@ -279,7 +279,7 @@ impl ChannelMessageHandler for ErroringMessageHandler {
                features
        }
 
-       fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
+       fn get_chain_hashes(&self) -> Option<Vec<ChainHash>> {
                // We don't enforce any chains upon peer connection for `ErroringMessageHandler` and leave it up
                // to users of `ErroringMessageHandler` to make decisions on network compatiblility.
                // There's not really any way to pull in specific networks here, and hardcoding can cause breakages.
@@ -1367,7 +1367,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
                                                                peer.set_their_node_id(their_node_id);
                                                                insert_node_id!();
                                                                let features = self.init_features(&their_node_id);
-                                                               let networks = self.message_handler.chan_handler.get_genesis_hashes();
+                                                               let networks = self.message_handler.chan_handler.get_chain_hashes();
                                                                let resp = msgs::Init { features, networks, remote_network_address: filter_addresses(peer.their_socket_address.clone()) };
                                                                self.enqueue_message(peer, &resp);
                                                                peer.awaiting_pong_timer_tick_intervals = 0;
@@ -1380,7 +1380,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
                                                                peer.set_their_node_id(their_node_id);
                                                                insert_node_id!();
                                                                let features = self.init_features(&their_node_id);
-                                                               let networks = self.message_handler.chan_handler.get_genesis_hashes();
+                                                               let networks = self.message_handler.chan_handler.get_chain_hashes();
                                                                let resp = msgs::Init { features, networks, remote_network_address: filter_addresses(peer.their_socket_address.clone()) };
                                                                self.enqueue_message(peer, &resp);
                                                                peer.awaiting_pong_timer_tick_intervals = 0;
@@ -1498,7 +1498,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
                if let wire::Message::Init(msg) = message {
                        // Check if we have any compatible chains if the `networks` field is specified.
                        if let Some(networks) = &msg.networks {
-                               if let Some(our_chains) = self.message_handler.chan_handler.get_genesis_hashes() {
+                               if let Some(our_chains) = self.message_handler.chan_handler.get_chain_hashes() {
                                        let mut have_compatible_chains = false;
                                        'our_chains: for our_chain in our_chains.iter() {
                                                for their_chain in networks {
index eb25ee961e1dd7e0db3f17de8d1c4a7197be09fc..0ebb9bc7f6fb88ffe5f3a43ba118685fbe8b4ba2 100644 (file)
@@ -30,7 +30,7 @@ use core::default::Default;
 
 use crate::ln::functional_test_utils::*;
 
-use bitcoin::blockdata::constants::genesis_block;
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::network::constants::Network;
 
 #[test]
@@ -505,7 +505,7 @@ fn test_scid_alias_returned() {
 
        // Build the expected channel update
        let contents = msgs::UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: last_hop[0].inbound_scid_alias.unwrap(),
                timestamp: 21,
                flags: 1,
index ef776a44dc11c484526f7f5baeb64db06498710b..edb6226041d2e694b31842a7149cda25ed28ebe8 100644 (file)
@@ -9,6 +9,8 @@
 
 //! The [`NetworkGraph`] stores the network gossip and [`P2PGossipSync`] fetches it from peers
 
+use bitcoin::blockdata::constants::ChainHash;
+
 use bitcoin::secp256k1::constants::PUBLIC_KEY_SIZE;
 use bitcoin::secp256k1::{PublicKey, Verification};
 use bitcoin::secp256k1::Secp256k1;
@@ -17,10 +19,8 @@ use bitcoin::secp256k1;
 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
 use bitcoin::hashes::Hash;
 use bitcoin::hashes::hex::FromHex;
-use bitcoin::hash_types::BlockHash;
 
 use bitcoin::network::constants::Network;
-use bitcoin::blockdata::constants::genesis_block;
 
 use crate::events::{MessageSendEvent, MessageSendEventsProvider};
 use crate::ln::ChannelId;
@@ -166,7 +166,7 @@ impl FromStr for NodeId {
 pub struct NetworkGraph<L: Deref> where L::Target: Logger {
        secp_ctx: Secp256k1<secp256k1::VerifyOnly>,
        last_rapid_gossip_sync_timestamp: Mutex<Option<u32>>,
-       genesis_hash: BlockHash,
+       chain_hash: ChainHash,
        logger: L,
        // Lock order: channels -> nodes
        channels: RwLock<IndexedMap<u64, ChannelInfo>>,
@@ -368,9 +368,9 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
                }
        }
 
-       /// Gets the genesis hash for this network graph.
-       pub fn get_genesis_hash(&self) -> BlockHash {
-               self.genesis_hash
+       /// Gets the chain hash for this network graph.
+       pub fn get_chain_hash(&self) -> ChainHash {
+               self.chain_hash
        }
 }
 
@@ -581,7 +581,7 @@ where U::Target: UtxoLookup, L::Target: Logger
                pending_events.push(MessageSendEvent::SendGossipTimestampFilter {
                        node_id: their_node_id.clone(),
                        msg: GossipTimestampFilter {
-                               chain_hash: self.network_graph.genesis_hash,
+                               chain_hash: self.network_graph.chain_hash,
                                first_timestamp: gossip_start_time as u32, // 2106 issue!
                                timestamp_range: u32::max_value(),
                        },
@@ -620,7 +620,7 @@ where U::Target: UtxoLookup, L::Target: Logger
                let exclusive_end_scid = scid_from_parts(cmp::min(msg.end_blocknum() as u64, MAX_SCID_BLOCK), 0, 0);
 
                // Per spec, we must reply to a query. Send an empty message when things are invalid.
-               if msg.chain_hash != self.network_graph.genesis_hash || inclusive_start_scid.is_err() || exclusive_end_scid.is_err() || msg.number_of_blocks == 0 {
+               if msg.chain_hash != self.network_graph.chain_hash || inclusive_start_scid.is_err() || exclusive_end_scid.is_err() || msg.number_of_blocks == 0 {
                        let mut pending_events = self.pending_events.lock().unwrap();
                        pending_events.push(MessageSendEvent::SendReplyChannelRange {
                                node_id: their_node_id.clone(),
@@ -1282,7 +1282,7 @@ impl<L: Deref> Writeable for NetworkGraph<L> where L::Target: Logger {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
                write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
 
-               self.genesis_hash.write(writer)?;
+               self.chain_hash.write(writer)?;
                let channels = self.channels.read().unwrap();
                (channels.len() as u64).write(writer)?;
                for (ref chan_id, ref chan_info) in channels.unordered_iter() {
@@ -1308,7 +1308,7 @@ impl<L: Deref> ReadableArgs<L> for NetworkGraph<L> where L::Target: Logger {
        fn read<R: io::Read>(reader: &mut R, logger: L) -> Result<NetworkGraph<L>, DecodeError> {
                let _ver = read_ver_prefix!(reader, SERIALIZATION_VERSION);
 
-               let genesis_hash: BlockHash = Readable::read(reader)?;
+               let chain_hash: ChainHash = Readable::read(reader)?;
                let channels_count: u64 = Readable::read(reader)?;
                let mut channels = IndexedMap::new();
                for _ in 0..channels_count {
@@ -1331,7 +1331,7 @@ impl<L: Deref> ReadableArgs<L> for NetworkGraph<L> where L::Target: Logger {
 
                Ok(NetworkGraph {
                        secp_ctx: Secp256k1::verification_only(),
-                       genesis_hash,
+                       chain_hash,
                        logger,
                        channels: RwLock::new(channels),
                        nodes: RwLock::new(nodes),
@@ -1367,7 +1367,7 @@ impl<L: Deref> PartialEq for NetworkGraph<L> where L::Target: Logger {
                let b = if ord { (&other.channels, &other.nodes) } else { (&self.channels, &self.nodes) };
                let (channels_a, channels_b) = (a.0.unsafe_well_ordered_double_lock_self(), b.0.unsafe_well_ordered_double_lock_self());
                let (nodes_a, nodes_b) = (a.1.unsafe_well_ordered_double_lock_self(), b.1.unsafe_well_ordered_double_lock_self());
-               self.genesis_hash.eq(&other.genesis_hash) && channels_a.eq(&channels_b) && nodes_a.eq(&nodes_b)
+               self.chain_hash.eq(&other.chain_hash) && channels_a.eq(&channels_b) && nodes_a.eq(&nodes_b)
        }
 }
 
@@ -1376,7 +1376,7 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
        pub fn new(network: Network, logger: L) -> NetworkGraph<L> {
                Self {
                        secp_ctx: Secp256k1::verification_only(),
-                       genesis_hash: genesis_block(network).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(network),
                        logger,
                        channels: RwLock::new(IndexedMap::new()),
                        nodes: RwLock::new(IndexedMap::new()),
@@ -1608,7 +1608,7 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
                        return Err(LightningError{err: "Channel announcement node had a channel with itself".to_owned(), action: ErrorAction::IgnoreError});
                }
 
-               if msg.chain_hash != self.genesis_hash {
+               if msg.chain_hash != self.chain_hash {
                        return Err(LightningError {
                                err: "Channel announcement chain hash does not match genesis hash".to_owned(),
                                action: ErrorAction::IgnoreAndLog(Level::Debug),
@@ -1868,7 +1868,7 @@ impl<L: Deref> NetworkGraph<L> where L::Target: Logger {
        fn update_channel_intern(&self, msg: &msgs::UnsignedChannelUpdate, full_msg: Option<&msgs::ChannelUpdate>, sig: Option<&secp256k1::ecdsa::Signature>) -> Result<(), LightningError> {
                let chan_enabled = msg.flags & (1 << 1) != (1 << 1);
 
-               if msg.chain_hash != self.genesis_hash {
+               if msg.chain_hash != self.chain_hash {
                        return Err(LightningError {
                                err: "Channel update chain hash does not match genesis hash".to_owned(),
                                action: ErrorAction::IgnoreAndLog(Level::Debug),
@@ -2068,7 +2068,7 @@ pub(crate) mod tests {
        use bitcoin::hashes::sha256d::Hash as Sha256dHash;
        use bitcoin::hashes::Hash;
        use bitcoin::network::constants::Network;
-       use bitcoin::blockdata::constants::genesis_block;
+       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::blockdata::script::Script;
        use bitcoin::blockdata::transaction::TxOut;
 
@@ -2140,7 +2140,7 @@ pub(crate) mod tests {
 
                let mut unsigned_announcement = UnsignedChannelAnnouncement {
                        features: channelmanager::provided_channel_features(&UserConfig::default()),
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 0,
                        node_id_1: NodeId::from_pubkey(&node_id_1),
                        node_id_2: NodeId::from_pubkey(&node_id_2),
@@ -2168,7 +2168,7 @@ pub(crate) mod tests {
 
        pub(crate) fn get_signed_channel_update<F: Fn(&mut UnsignedChannelUpdate)>(f: F, node_key: &SecretKey, secp_ctx: &Secp256k1<secp256k1::All>) -> ChannelUpdate {
                let mut unsigned_channel_update = UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 0,
                        timestamp: 100,
                        flags: 0,
@@ -2373,7 +2373,7 @@ pub(crate) mod tests {
                // Test that channel announcements with the wrong chain hash are ignored (network graph is testnet,
                // announcement is mainnet).
                let incorrect_chain_announcement = get_signed_channel_announcement(|unsigned_announcement| {
-                       unsigned_announcement.chain_hash = genesis_block(Network::Bitcoin).header.block_hash();
+                       unsigned_announcement.chain_hash = ChainHash::using_genesis_block(Network::Bitcoin);
                }, node_1_privkey, node_2_privkey, &secp_ctx);
                match gossip_sync.handle_channel_announcement(&incorrect_chain_announcement) {
                        Ok(_) => panic!(),
@@ -2487,7 +2487,7 @@ pub(crate) mod tests {
                // Test that channel updates with the wrong chain hash are ignored (network graph is testnet, channel
                // update is mainet).
                let incorrect_chain_update = get_signed_channel_update(|unsigned_channel_update| {
-                       unsigned_channel_update.chain_hash = genesis_block(Network::Bitcoin).header.block_hash();
+                       unsigned_channel_update.chain_hash = ChainHash::using_genesis_block(Network::Bitcoin);
                }, node_1_privkey, &secp_ctx);
 
                match gossip_sync.handle_channel_update(&incorrect_chain_update) {
@@ -2925,7 +2925,7 @@ pub(crate) mod tests {
                let node_privkey_1 = &SecretKey::from_slice(&[42; 32]).unwrap();
                let node_id_1 = PublicKey::from_secret_key(&secp_ctx, node_privkey_1);
 
-               let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
 
                // It should ignore if gossip_queries feature is not enabled
                {
@@ -2962,7 +2962,7 @@ pub(crate) mod tests {
                let network_graph = create_network_graph();
                let (secp_ctx, gossip_sync) = create_gossip_sync(&network_graph);
 
-               let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
                let node_1_privkey = &SecretKey::from_slice(&[42; 32]).unwrap();
                let node_2_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
                let node_id_2 = PublicKey::from_secret_key(&secp_ctx, node_2_privkey);
@@ -3014,13 +3014,13 @@ pub(crate) mod tests {
                        &gossip_sync,
                        &node_id_2,
                        QueryChannelRange {
-                               chain_hash: genesis_block(Network::Bitcoin).header.block_hash(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                                first_blocknum: 0,
                                number_of_blocks: 0xffff_ffff,
                        },
                        false,
                        vec![ReplyChannelRange {
-                               chain_hash: genesis_block(Network::Bitcoin).header.block_hash(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Bitcoin),
                                first_blocknum: 0,
                                number_of_blocks: 0xffff_ffff,
                                sync_complete: true,
@@ -3255,7 +3255,7 @@ pub(crate) mod tests {
                let node_privkey = &SecretKey::from_slice(&[41; 32]).unwrap();
                let node_id = PublicKey::from_secret_key(&secp_ctx, node_privkey);
 
-               let chain_hash = genesis_block(Network::Testnet).header.block_hash();
+               let chain_hash = ChainHash::using_genesis_block(Network::Testnet);
 
                let result = gossip_sync.handle_query_short_channel_ids(&node_id, QueryShortChannelIds {
                        chain_hash,
index faf414cc10651fe63fb9a00887554136ccea699e..4c8a31bd73533fdf3ca4d19b869c8339edcc2167 100644 (file)
@@ -2830,7 +2830,7 @@ mod tests {
 
        use bitcoin::hashes::Hash;
        use bitcoin::network::constants::Network;
-       use bitcoin::blockdata::constants::genesis_block;
+       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::blockdata::script::Builder;
        use bitcoin::blockdata::opcodes;
        use bitcoin::blockdata::transaction::TxOut;
@@ -2961,7 +2961,7 @@ mod tests {
 
                // Disable other paths
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -2973,7 +2973,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -2985,7 +2985,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -2997,7 +2997,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3009,7 +3009,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3024,7 +3024,7 @@ mod tests {
                // Check against amount_to_transfer_over_msat.
                // Set minimal HTLC of 200_000_000 msat.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 3,
                        flags: 0,
@@ -3039,7 +3039,7 @@ mod tests {
                // Second hop only allows to forward 199_999_999 at most, thus not allowing the first hop to
                // be used.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 3,
                        flags: 0,
@@ -3062,7 +3062,7 @@ mod tests {
 
                // Lift the restriction on the first hop.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 4,
                        flags: 0,
@@ -3094,7 +3094,7 @@ mod tests {
                // One path allows transferring 35-40 sats, another one also allows 35-40 sats.
                // Thus, they can't send 60 without overpaying.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -3106,7 +3106,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 3,
                        flags: 0,
@@ -3120,7 +3120,7 @@ mod tests {
 
                // Make 0 fee.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -3132,7 +3132,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -3146,7 +3146,7 @@ mod tests {
 
                // Disable other paths
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 3,
                        flags: 2, // to disable
@@ -3171,7 +3171,7 @@ mod tests {
                // Now, test that if there are 2 paths, a "cheaper" by fee path wouldn't be prioritized
                // while taking even more fee to match htlc_minimum_msat.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 4,
                        flags: 0,
@@ -3183,7 +3183,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 3,
                        flags: 0,
@@ -3195,7 +3195,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 4,
                        flags: 0,
@@ -3240,7 +3240,7 @@ mod tests {
 
                // First disable all paths except the us -> node1 -> node2 path
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 3,
@@ -3254,7 +3254,7 @@ mod tests {
 
                // Set channel 4 to free but with a high htlc_minimum_msat
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -3298,7 +3298,7 @@ mod tests {
 
                // // Disable channels 4 and 12 by flags=2
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3310,7 +3310,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3742,7 +3742,7 @@ mod tests {
 
                // Disabling channels 6 & 7 by flags=2
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3754,7 +3754,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3816,7 +3816,7 @@ mod tests {
 
                // Disabling channels 6 & 7 by flags=2
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -3828,7 +3828,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2, // to disable
@@ -4177,7 +4177,7 @@ mod tests {
 
                // First disable all other paths.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 2,
@@ -4189,7 +4189,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 2,
@@ -4204,7 +4204,7 @@ mod tests {
                // Make the first channel (#1) very permissive,
                // and we will be testing all limits on the second channel.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -4219,7 +4219,7 @@ mod tests {
                // First, let's see if routing works if we have absolutely no idea about the available amount.
                // In this case, it should be set to 250_000 sats.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -4258,7 +4258,7 @@ mod tests {
                // Check that setting next_outbound_htlc_limit_msat in first_hops limits the channels.
                // Disable channel #1 and use another first hop.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 3,
                        flags: 2,
@@ -4301,7 +4301,7 @@ mod tests {
 
                // Enable channel #1 back.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 4,
                        flags: 0,
@@ -4316,7 +4316,7 @@ mod tests {
 
                // Now let's see if routing works if we know only htlc_maximum_msat.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 3,
                        flags: 0,
@@ -4357,7 +4357,7 @@ mod tests {
                // We can't change UTXO capacity on the fly, so we'll disable
                // the existing channel and add another one with the capacity we need.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 4,
                        flags: 2,
@@ -4381,7 +4381,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 333);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 333,
                        timestamp: 1,
                        flags: 0,
@@ -4393,7 +4393,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 333,
                        timestamp: 1,
                        flags: 1,
@@ -4431,7 +4431,7 @@ mod tests {
 
                // Now let's see if routing chooses htlc_maximum_msat over UTXO capacity.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 333,
                        timestamp: 6,
                        flags: 0,
@@ -4486,7 +4486,7 @@ mod tests {
 
                // Disable other potential paths.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 2,
@@ -4498,7 +4498,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2,
@@ -4513,7 +4513,7 @@ mod tests {
                // Limit capacities
 
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -4525,7 +4525,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -4538,7 +4538,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 0,
@@ -4550,7 +4550,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 11,
                        timestamp: 2,
                        flags: 0,
@@ -4616,7 +4616,7 @@ mod tests {
 
                // Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -4628,7 +4628,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -4729,7 +4729,7 @@ mod tests {
 
                // Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -4741,7 +4741,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -4756,7 +4756,7 @@ mod tests {
                // Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats
                // (total limit 60).
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -4768,7 +4768,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -4783,7 +4783,7 @@ mod tests {
                // Path via node1 is channels {2, 4}. Limit them to 200 and 180 sats
                // (total capacity 180 sats).
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -4795,7 +4795,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -4916,7 +4916,7 @@ mod tests {
 
                // Disable other potential paths.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 2,
@@ -4928,7 +4928,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2,
@@ -4942,7 +4942,7 @@ mod tests {
 
                // Path via {node0, node2} is channels {1, 3, 5}.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -4954,7 +4954,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -4969,7 +4969,7 @@ mod tests {
                // Capacity of 200 sats because this channel will be used by 3rd path as well.
                add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 5,
                        timestamp: 2,
                        flags: 0,
@@ -4985,7 +4985,7 @@ mod tests {
                // Add 100 sats to the capacities of {12, 13}, because these channels
                // are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -4997,7 +4997,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -5010,7 +5010,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 0,
@@ -5022,7 +5022,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 11,
                        timestamp: 2,
                        flags: 0,
@@ -5091,7 +5091,7 @@ mod tests {
 
                // Disable other potential paths.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 2,
@@ -5103,7 +5103,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2,
@@ -5117,7 +5117,7 @@ mod tests {
 
                // Path via {node0, node2} is channels {1, 3, 5}.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -5129,7 +5129,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -5144,7 +5144,7 @@ mod tests {
                // Capacity of 200 sats because this channel will be used by 3rd path as well.
                add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 5,
                        timestamp: 2,
                        flags: 0,
@@ -5160,7 +5160,7 @@ mod tests {
                // Add 100 sats to the capacities of {12, 13}, because these channels
                // are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -5172,7 +5172,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -5185,7 +5185,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 0,
@@ -5197,7 +5197,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 11,
                        timestamp: 2,
                        flags: 0,
@@ -5262,7 +5262,7 @@ mod tests {
 
                // Disable other potential paths.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 2,
@@ -5275,7 +5275,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 7,
                        timestamp: 2,
                        flags: 2,
@@ -5289,7 +5289,7 @@ mod tests {
 
                // Path via {node0, node2} is channels {1, 3, 5}.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -5301,7 +5301,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -5315,7 +5315,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 5,
                        timestamp: 2,
                        flags: 0,
@@ -5338,7 +5338,7 @@ mod tests {
                // - fee for channel 6 is 150 sats
                // Let's test this by enforcing these 2 conditions and removing other limits.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -5350,7 +5350,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -5363,7 +5363,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 2,
                        flags: 0,
@@ -5375,7 +5375,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 11,
                        timestamp: 2,
                        flags: 0,
@@ -5464,7 +5464,7 @@ mod tests {
                // we think we can only send up to 1 additional sat over the last-hop but refuse to as its
                // under 5% of our payment amount.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -5476,7 +5476,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -5488,7 +5488,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -5500,7 +5500,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0|2, // Channel disabled
@@ -5557,7 +5557,7 @@ mod tests {
 
                // Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50);
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 2,
                        flags: 0,
@@ -5569,7 +5569,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 2,
                        flags: 0,
@@ -5583,7 +5583,7 @@ mod tests {
 
                // Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats (total limit 60);
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -5595,7 +5595,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -5609,7 +5609,7 @@ mod tests {
 
                // Path via node1 is channels {2, 4}. Limit them to 20 and 20 sats (total capacity 20 sats).
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -5621,7 +5621,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -5716,7 +5716,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[1], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 1,
                        flags: 0,
@@ -5731,7 +5731,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[1], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 5,
                        timestamp: 1,
                        flags: 0,
@@ -5746,7 +5746,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(4)), 4);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 1,
                        flags: 0,
@@ -5761,7 +5761,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[3], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 3);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 3,
                        timestamp: 1,
                        flags: 0,
@@ -5776,7 +5776,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(2)), 2);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 1,
                        flags: 0,
@@ -5790,7 +5790,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 1,
                        flags: 0,
@@ -5851,7 +5851,7 @@ mod tests {
                // We modify the graph to set the htlc_maximum of channel 2 to below the value we wish to
                // send.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -5864,7 +5864,7 @@ mod tests {
                });
 
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 12,
                        timestamp: 2,
                        flags: 0,
@@ -5921,7 +5921,7 @@ mod tests {
                // gets an htlc_maximum_msat of 80_000 and channel 4 an htlc_minimum_msat of 90_000. We
                // then try to send 90_000.
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -5933,7 +5933,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -6473,7 +6473,7 @@ mod tests {
                // Set the fee on channel 13 to 100% to match channel 4 giving us two equivalent paths (us
                // -> node 7 -> node2 and us -> node 1 -> node 2) which we should balance over.
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 4,
                        timestamp: 2,
                        flags: 0,
@@ -6485,7 +6485,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 13,
                        timestamp: 2,
                        flags: 0,
@@ -7151,7 +7151,7 @@ mod tests {
                add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
                        ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 1,
                        flags: 0,
@@ -7163,7 +7163,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 1,
                        flags: 1,
@@ -7584,7 +7584,7 @@ mod tests {
 
                add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 6,
                        timestamp: 1,
                        flags: 0,
@@ -7711,7 +7711,7 @@ mod tests {
                add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[0],
                        ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
                update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 1,
                        flags: 0,
@@ -7723,7 +7723,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 1,
                        timestamp: 1,
                        flags: 1,
@@ -7738,7 +7738,7 @@ mod tests {
                add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
                        ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 2);
                update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 0,
@@ -7750,7 +7750,7 @@ mod tests {
                        excess_data: Vec::new()
                });
                update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-                       chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                        short_channel_id: 2,
                        timestamp: 2,
                        flags: 1,
index 207e1d69bd98d2b66974884ab1226f1b36562a73..9c907c3f7fe4bd38d7526b9d10871769ea537d27 100644 (file)
@@ -2179,7 +2179,7 @@ mod tests {
        use crate::util::ser::{ReadableArgs, Writeable};
        use crate::util::test_utils::{self, TestLogger};
 
-       use bitcoin::blockdata::constants::genesis_block;
+       use bitcoin::blockdata::constants::ChainHash;
        use bitcoin::hashes::Hash;
        use bitcoin::hashes::sha256d::Hash as Sha256dHash;
        use bitcoin::network::constants::Network;
@@ -2256,7 +2256,7 @@ mod tests {
                network_graph: &mut NetworkGraph<&TestLogger>, short_channel_id: u64, node_1_key: SecretKey,
                node_2_key: SecretKey
        ) {
-               let genesis_hash = genesis_block(Network::Testnet).header.block_hash();
+               let genesis_hash = ChainHash::using_genesis_block(Network::Testnet);
                let node_1_secret = &SecretKey::from_slice(&[39; 32]).unwrap();
                let node_2_secret = &SecretKey::from_slice(&[40; 32]).unwrap();
                let secp_ctx = Secp256k1::new();
@@ -2289,7 +2289,7 @@ mod tests {
                network_graph: &mut NetworkGraph<&TestLogger>, short_channel_id: u64, node_key: SecretKey,
                flags: u8, htlc_maximum_msat: u64, timestamp: u32,
        ) {
-               let genesis_hash = genesis_block(Network::Testnet).header.block_hash();
+               let genesis_hash = ChainHash::using_genesis_block(Network::Testnet);
                let secp_ctx = Secp256k1::new();
                let unsigned_update = UnsignedChannelUpdate {
                        chain_hash: genesis_hash,
index d0e44eb214cf4fe3d43a5a8c52b6b6e340a9f2b9..f4048f58d4dc9ef5478b43b9922c8082754938c4 100644 (file)
@@ -14,10 +14,10 @@ use crate::ln::msgs::{UnsignedChannelAnnouncement, ChannelAnnouncement, RoutingM
 use crate::util::test_utils;
 use crate::util::ser::Writeable;
 
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::hashes::sha256d::Hash as Sha256dHash;
 use bitcoin::hashes::Hash;
 use bitcoin::network::constants::Network;
-use bitcoin::blockdata::constants::genesis_block;
 
 use hex;
 
@@ -39,7 +39,7 @@ pub(super) fn add_channel(
 
        let unsigned_announcement = UnsignedChannelAnnouncement {
                features,
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id,
                node_id_1,
                node_id_2,
@@ -154,7 +154,7 @@ pub(super) fn build_line_graph() -> (
                        add_channel(&gossip_sync, &secp_ctx, &cur_privkey, &next_privkey,
                                ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), cur_short_channel_id);
                        update_channel(&gossip_sync, &secp_ctx, &cur_privkey, UnsignedChannelUpdate {
-                               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                                short_channel_id: cur_short_channel_id,
                                timestamp: idx as u32,
                                flags: 0,
@@ -166,7 +166,7 @@ pub(super) fn build_line_graph() -> (
                                excess_data: Vec::new()
                        });
                        update_channel(&gossip_sync, &secp_ctx, &next_privkey, UnsignedChannelUpdate {
-                               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                                short_channel_id: cur_short_channel_id,
                                timestamp: (idx as u32)+1,
                                flags: 1,
@@ -259,7 +259,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[0], ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 1,
                timestamp: 1,
                flags: 1,
@@ -275,7 +275,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[1], ChannelFeatures::from_le_bytes(id_to_feature_flags(2)), 2);
        update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 2,
                timestamp: 1,
                flags: 0,
@@ -287,7 +287,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 2,
                timestamp: 1,
                flags: 1,
@@ -303,7 +303,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[7], ChannelFeatures::from_le_bytes(id_to_feature_flags(12)), 12);
        update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 12,
                timestamp: 1,
                flags: 0,
@@ -315,7 +315,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 12,
                timestamp: 1,
                flags: 1,
@@ -331,7 +331,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 3);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 3,
                timestamp: 1,
                flags: 0,
@@ -343,7 +343,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 3,
                timestamp: 1,
                flags: 1,
@@ -357,7 +357,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[1], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(4)), 4);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 4,
                timestamp: 1,
                flags: 0,
@@ -369,7 +369,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 4,
                timestamp: 1,
                flags: 1,
@@ -383,7 +383,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[7], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(13)), 13);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 13,
                timestamp: 1,
                flags: 0,
@@ -395,7 +395,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 13,
                timestamp: 1,
                flags: 1,
@@ -411,7 +411,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 6,
                timestamp: 1,
                flags: 0,
@@ -423,7 +423,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 6,
                timestamp: 1,
                flags: 1,
@@ -437,7 +437,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(11)), 11);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 11,
                timestamp: 1,
                flags: 0,
@@ -449,7 +449,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 11,
                timestamp: 1,
                flags: 1,
@@ -467,7 +467,7 @@ pub(super) fn build_graph() -> (
 
        add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[5], ChannelFeatures::from_le_bytes(id_to_feature_flags(7)), 7);
        update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 7,
                timestamp: 1,
                flags: 0,
@@ -479,7 +479,7 @@ pub(super) fn build_graph() -> (
                excess_data: Vec::new()
        });
        update_channel(&gossip_sync, &secp_ctx, &privkeys[5], UnsignedChannelUpdate {
-               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                short_channel_id: 7,
                timestamp: 1,
                flags: 1,
index 8733def13d95d26dc3d9c446cb5851d39c3b2ca3..164974672380b1272ffe23cc0bbb2d6ea26347c9 100644 (file)
@@ -13,7 +13,8 @@
 //! channel matches a UTXO on-chain, requiring at least some marginal on-chain transacting in
 //! order to announce a channel. This module handles that checking.
 
-use bitcoin::{BlockHash, TxOut};
+use bitcoin::TxOut;
+use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::hashes::hex::ToHex;
 
 use crate::events::MessageSendEvent;
@@ -60,11 +61,11 @@ pub enum UtxoResult {
 /// The `UtxoLookup` trait defines behavior for accessing on-chain UTXOs.
 pub trait UtxoLookup {
        /// Returns the transaction output of a funding transaction encoded by [`short_channel_id`].
-       /// Returns an error if `genesis_hash` is for a different chain or if such a transaction output
-       /// is unknown.
+       /// Returns an error if `chain_hash` is for a different chain or if such a transaction output is
+       /// unknown.
        ///
        /// [`short_channel_id`]: https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#definition-of-short_channel_id
-       fn get_utxo(&self, genesis_hash: &BlockHash, short_channel_id: u64) -> UtxoResult;
+       fn get_utxo(&self, chain_hash: &ChainHash, short_channel_id: u64) -> UtxoResult;
 }
 
 enum ChannelAnnouncement {
@@ -127,7 +128,7 @@ pub struct UtxoFuture {
 /// once we have a concrete resolution of a request.
 pub(crate) struct UtxoResolver(Result<TxOut, UtxoLookupError>);
 impl UtxoLookup for UtxoResolver {
-       fn get_utxo(&self, _genesis_hash: &BlockHash, _short_channel_id: u64) -> UtxoResult {
+       fn get_utxo(&self, _chain_hash: &ChainHash, _short_channel_id: u64) -> UtxoResult {
                UtxoResult::Sync(self.0.clone())
        }
 }
index d2941f7fe3c8f5378f1a16267b076132384b3be2..fbbcc69a133e0966e8bd937d1838ac8dc4fd5c17 100644 (file)
@@ -66,8 +66,8 @@ pub fn scid_from_parts(block: u64, tx_index: u64, vout_index: u64) -> Result<u64
 /// 3) payments intended to be intercepted will route using a fake scid (this is typically used so
 ///    the forwarding node can open a JIT channel to the next hop)
 pub(crate) mod fake_scid {
-       use bitcoin::hash_types::BlockHash;
-       use bitcoin::hashes::hex::FromHex;
+       use bitcoin::blockdata::constants::ChainHash;
+       use bitcoin::network::constants::Network;
        use crate::sign::EntropySource;
        use crate::util::chacha20::ChaCha20;
        use crate::util::scid_utils;
@@ -101,7 +101,7 @@ pub(crate) mod fake_scid {
                /// between segwit activation and the current best known height, and the tx index and output
                /// index are also selected from a "reasonable" range. We add this logic because it makes it
                /// non-obvious at a glance that the scid is fake, e.g. if it appears in invoice route hints.
-               pub(crate) fn get_fake_scid<ES: Deref>(&self, highest_seen_blockheight: u32, genesis_hash: &BlockHash, fake_scid_rand_bytes: &[u8; 32], entropy_source: &ES) -> u64
+               pub(crate) fn get_fake_scid<ES: Deref>(&self, highest_seen_blockheight: u32, chain_hash: &ChainHash, fake_scid_rand_bytes: &[u8; 32], entropy_source: &ES) -> u64
                        where ES::Target: EntropySource,
                {
                        // Ensure we haven't created a namespace that doesn't fit into the 3 bits we've allocated for
@@ -109,7 +109,7 @@ pub(crate) mod fake_scid {
                        assert!((*self as u8) < MAX_NAMESPACES);
                        let rand_bytes = entropy_source.get_secure_random_bytes();
 
-                       let segwit_activation_height = segwit_activation_height(genesis_hash);
+                       let segwit_activation_height = segwit_activation_height(chain_hash);
                        let mut blocks_since_segwit_activation = highest_seen_blockheight.saturating_sub(segwit_activation_height);
 
                        // We want to ensure that this fake channel won't conflict with any transactions we haven't
@@ -144,9 +144,8 @@ pub(crate) mod fake_scid {
                }
        }
 
-       fn segwit_activation_height(genesis: &BlockHash) -> u32 {
-               const MAINNET_GENESIS_STR: &'static str = "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f";
-               if BlockHash::from_hex(MAINNET_GENESIS_STR).unwrap() == *genesis {
+       fn segwit_activation_height(chain_hash: &ChainHash) -> u32 {
+               if *chain_hash == ChainHash::using_genesis_block(Network::Bitcoin) {
                        MAINNET_SEGWIT_ACTIVATION_HEIGHT
                } else {
                        TEST_SEGWIT_ACTIVATION_HEIGHT
@@ -154,28 +153,28 @@ pub(crate) mod fake_scid {
        }
 
        /// Returns whether the given fake scid falls into the phantom namespace.
-       pub fn is_valid_phantom(fake_scid_rand_bytes: &[u8; 32], scid: u64, genesis_hash: &BlockHash) -> bool {
+       pub fn is_valid_phantom(fake_scid_rand_bytes: &[u8; 32], scid: u64, chain_hash: &ChainHash) -> bool {
                let block_height = scid_utils::block_from_scid(&scid);
                let tx_index = scid_utils::tx_index_from_scid(&scid);
                let namespace = Namespace::Phantom;
                let valid_vout = namespace.get_encrypted_vout(block_height, tx_index, fake_scid_rand_bytes);
-               block_height >= segwit_activation_height(genesis_hash)
+               block_height >= segwit_activation_height(chain_hash)
                        && valid_vout == scid_utils::vout_from_scid(&scid) as u8
        }
 
        /// Returns whether the given fake scid falls into the intercept namespace.
-       pub fn is_valid_intercept(fake_scid_rand_bytes: &[u8; 32], scid: u64, genesis_hash: &BlockHash) -> bool {
+       pub fn is_valid_intercept(fake_scid_rand_bytes: &[u8; 32], scid: u64, chain_hash: &ChainHash) -> bool {
                let block_height = scid_utils::block_from_scid(&scid);
                let tx_index = scid_utils::tx_index_from_scid(&scid);
                let namespace = Namespace::Intercept;
                let valid_vout = namespace.get_encrypted_vout(block_height, tx_index, fake_scid_rand_bytes);
-               block_height >= segwit_activation_height(genesis_hash)
+               block_height >= segwit_activation_height(chain_hash)
                        && valid_vout == scid_utils::vout_from_scid(&scid) as u8
        }
 
        #[cfg(test)]
        mod tests {
-               use bitcoin::blockdata::constants::genesis_block;
+               use bitcoin::blockdata::constants::ChainHash;
                use bitcoin::network::constants::Network;
                use crate::util::scid_utils::fake_scid::{is_valid_intercept, is_valid_phantom, MAINNET_SEGWIT_ACTIVATION_HEIGHT, MAX_TX_INDEX, MAX_NAMESPACES, Namespace, NAMESPACE_ID_BITMASK, segwit_activation_height, TEST_SEGWIT_ACTIVATION_HEIGHT};
                use crate::util::scid_utils;
@@ -195,16 +194,16 @@ pub(crate) mod fake_scid {
 
                #[test]
                fn test_segwit_activation_height() {
-                       let mainnet_genesis = genesis_block(Network::Bitcoin).header.block_hash();
+                       let mainnet_genesis = ChainHash::using_genesis_block(Network::Bitcoin);
                        assert_eq!(segwit_activation_height(&mainnet_genesis), MAINNET_SEGWIT_ACTIVATION_HEIGHT);
 
-                       let testnet_genesis = genesis_block(Network::Testnet).header.block_hash();
+                       let testnet_genesis = ChainHash::using_genesis_block(Network::Testnet);
                        assert_eq!(segwit_activation_height(&testnet_genesis), TEST_SEGWIT_ACTIVATION_HEIGHT);
 
-                       let signet_genesis = genesis_block(Network::Signet).header.block_hash();
+                       let signet_genesis = ChainHash::using_genesis_block(Network::Signet);
                        assert_eq!(segwit_activation_height(&signet_genesis), TEST_SEGWIT_ACTIVATION_HEIGHT);
 
-                       let regtest_genesis = genesis_block(Network::Regtest).header.block_hash();
+                       let regtest_genesis = ChainHash::using_genesis_block(Network::Regtest);
                        assert_eq!(segwit_activation_height(&regtest_genesis), TEST_SEGWIT_ACTIVATION_HEIGHT);
                }
 
@@ -212,7 +211,7 @@ pub(crate) mod fake_scid {
                fn test_is_valid_phantom() {
                        let namespace = Namespace::Phantom;
                        let fake_scid_rand_bytes = [0; 32];
-                       let testnet_genesis = genesis_block(Network::Testnet).header.block_hash();
+                       let testnet_genesis = ChainHash::using_genesis_block(Network::Testnet);
                        let valid_encrypted_vout = namespace.get_encrypted_vout(0, 0, &fake_scid_rand_bytes);
                        let valid_fake_scid = scid_utils::scid_from_parts(1, 0, valid_encrypted_vout as u64).unwrap();
                        assert!(is_valid_phantom(&fake_scid_rand_bytes, valid_fake_scid, &testnet_genesis));
@@ -224,7 +223,7 @@ pub(crate) mod fake_scid {
                fn test_is_valid_intercept() {
                        let namespace = Namespace::Intercept;
                        let fake_scid_rand_bytes = [0; 32];
-                       let testnet_genesis = genesis_block(Network::Testnet).header.block_hash();
+                       let testnet_genesis = ChainHash::using_genesis_block(Network::Testnet);
                        let valid_encrypted_vout = namespace.get_encrypted_vout(0, 0, &fake_scid_rand_bytes);
                        let valid_fake_scid = scid_utils::scid_from_parts(1, 0, valid_encrypted_vout as u64).unwrap();
                        assert!(is_valid_intercept(&fake_scid_rand_bytes, valid_fake_scid, &testnet_genesis));
@@ -234,7 +233,7 @@ pub(crate) mod fake_scid {
 
                #[test]
                fn test_get_fake_scid() {
-                       let mainnet_genesis = genesis_block(Network::Bitcoin).header.block_hash();
+                       let mainnet_genesis = ChainHash::using_genesis_block(Network::Bitcoin);
                        let seed = [0; 32];
                        let fake_scid_rand_bytes = [1; 32];
                        let keys_manager = Arc::new(test_utils::TestKeysInterface::new(&seed, Network::Testnet));
index 8a988b629079647e8cc85c166e3b874986ec1b3e..5e69f76c4b5a1fea0aaf70a128343ede9c7a6784 100644 (file)
@@ -581,17 +581,17 @@ pub struct TestChannelMessageHandler {
        expected_recv_msgs: Mutex<Option<Vec<wire::Message<()>>>>,
        connected_peers: Mutex<HashSet<PublicKey>>,
        pub message_fetch_counter: AtomicUsize,
-       genesis_hash: ChainHash,
+       chain_hash: ChainHash,
 }
 
 impl TestChannelMessageHandler {
-       pub fn new(genesis_hash: ChainHash) -> Self {
+       pub fn new(chain_hash: ChainHash) -> Self {
                TestChannelMessageHandler {
                        pending_events: Mutex::new(Vec::new()),
                        expected_recv_msgs: Mutex::new(None),
                        connected_peers: Mutex::new(HashSet::new()),
                        message_fetch_counter: AtomicUsize::new(0),
-                       genesis_hash,
+                       chain_hash,
                }
        }
 
@@ -695,8 +695,8 @@ impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
                channelmanager::provided_init_features(&UserConfig::default())
        }
 
-       fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
-               Some(vec![self.genesis_hash])
+       fn get_chain_hashes(&self) -> Option<Vec<ChainHash>> {
+               Some(vec![self.chain_hash])
        }
 
        fn handle_open_channel_v2(&self, _their_node_id: &PublicKey, msg: &msgs::OpenChannelV2) {
@@ -764,7 +764,7 @@ fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnounceme
        let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
        let unsigned_ann = msgs::UnsignedChannelAnnouncement {
                features: ChannelFeatures::empty(),
-               chain_hash: genesis_block(network).header.block_hash(),
+               chain_hash: ChainHash::using_genesis_block(network),
                short_channel_id: short_chan_id,
                node_id_1: NodeId::from_pubkey(&PublicKey::from_secret_key(&secp_ctx, &node_1_privkey)),
                node_id_2: NodeId::from_pubkey(&PublicKey::from_secret_key(&secp_ctx, &node_2_privkey)),
@@ -790,7 +790,7 @@ fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
        msgs::ChannelUpdate {
                signature: Signature::from(unsafe { FFISignature::new() }),
                contents: msgs::UnsignedChannelUpdate {
-                       chain_hash: genesis_block(network).header.block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(network),
                        short_channel_id: short_chan_id,
                        timestamp: 0,
                        flags: 0,
@@ -866,7 +866,7 @@ impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
                pending_events.push(events::MessageSendEvent::SendGossipTimestampFilter {
                        node_id: their_node_id.clone(),
                        msg: msgs::GossipTimestampFilter {
-                               chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+                               chain_hash: ChainHash::using_genesis_block(Network::Testnet),
                                first_timestamp: gossip_start_time as u32,
                                timestamp_range: u32::max_value(),
                        },
@@ -1195,7 +1195,7 @@ impl core::fmt::Debug for OnGetShutdownScriptpubkey {
 }
 
 pub struct TestChainSource {
-       pub genesis_hash: BlockHash,
+       pub chain_hash: ChainHash,
        pub utxo_ret: Mutex<UtxoResult>,
        pub get_utxo_call_count: AtomicUsize,
        pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
@@ -1206,7 +1206,7 @@ impl TestChainSource {
        pub fn new(network: Network) -> Self {
                let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
                Self {
-                       genesis_hash: genesis_block(network).block_hash(),
+                       chain_hash: ChainHash::using_genesis_block(network),
                        utxo_ret: Mutex::new(UtxoResult::Sync(Ok(TxOut { value: u64::max_value(), script_pubkey }))),
                        get_utxo_call_count: AtomicUsize::new(0),
                        watched_txn: Mutex::new(HashSet::new()),
@@ -1216,9 +1216,9 @@ impl TestChainSource {
 }
 
 impl UtxoLookup for TestChainSource {
-       fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> UtxoResult {
+       fn get_utxo(&self, chain_hash: &ChainHash, _short_channel_id: u64) -> UtxoResult {
                self.get_utxo_call_count.fetch_add(1, Ordering::Relaxed);
-               if self.genesis_hash != *genesis_hash {
+               if self.chain_hash != *chain_hash {
                        return UtxoResult::Sync(Err(UtxoLookupError::UnknownChain));
                }