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Multi-hop BlindedPath creation interface #2781

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Merged
merged 14 commits into from
Dec 15, 2023
Merged

Multi-hop BlindedPath creation interface #2781

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ee026d4
Re-order AnchorsZeroFeeHtlcTx in module docs/tests
jkczyz Mar 2, 2023
ffb0d83
Add RouteBlinding feature flag
jkczyz Mar 2, 2023
97049da
Add create_blinded_paths to MessageRouter
jkczyz Dec 7, 2023
bedc2c6
Require any Router also implements MessageRouter
jkczyz Dec 7, 2023
c558ccd
Fix create_one_hop_blinded_payment_path docs
jkczyz Dec 8, 2023
dcd8d58
Use CLTV_FAR_FAR_AWAY in PaymentConstraints
jkczyz Dec 15, 2023
606304a
Multi-hop blinded paths in ChannelManager
jkczyz Mar 3, 2023
4da0862
Fix broken doc link in create_refund_builder
jkczyz Dec 15, 2023
edb5892
CounterpartyForwardingInfo to PaymentRelay mapping
jkczyz Dec 8, 2023
62f8669
Add create_blinded_payment_paths to Router
jkczyz Dec 8, 2023
827833c
Multi-hop blinded payment paths in ChannelManager
jkczyz Dec 8, 2023
16ee240
DRY up OffersMessage::InvoiceRequest handling
jkczyz Dec 14, 2023
164c855
Use one-hop blinded paths only for announced nodes
jkczyz Dec 15, 2023
37319a6
Fix build warning
jkczyz Dec 15, 2023
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33 changes: 31 additions & 2 deletions fuzz/src/chanmon_consistency.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hash_types::{BlockHash, WPubkeyHash};

use lightning::blinded_path::BlindedPath;
use lightning::blinded_path::payment::ReceiveTlvs;
use lightning::chain;
use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, chainmonitor, channelmonitor, Confirm, Watch};
use lightning::chain::channelmonitor::{ChannelMonitor, MonitorEvent};
Expand All @@ -44,8 +46,9 @@ use lightning::ln::channel::FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE;
use lightning::ln::msgs::{self, CommitmentUpdate, ChannelMessageHandler, DecodeError, UpdateAddHTLC, Init};
use lightning::ln::script::ShutdownScript;
use lightning::ln::functional_test_utils::*;
use lightning::offers::invoice::UnsignedBolt12Invoice;
use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
use lightning::offers::invoice_request::UnsignedInvoiceRequest;
use lightning::onion_message::{Destination, MessageRouter, OnionMessagePath};
use lightning::util::test_channel_signer::{TestChannelSigner, EnforcementState};
use lightning::util::errors::APIError;
use lightning::util::logger::Logger;
Expand All @@ -56,7 +59,7 @@ use lightning::routing::router::{InFlightHtlcs, Path, Route, RouteHop, RoutePara
use crate::utils::test_logger::{self, Output};
use crate::utils::test_persister::TestPersister;

use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
use bitcoin::secp256k1::schnorr;
Expand Down Expand Up @@ -99,6 +102,32 @@ impl Router for FuzzRouter {
action: msgs::ErrorAction::IgnoreError
})
}

fn create_blinded_payment_paths<
ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
>(
&self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
_amount_msats: u64, _entropy_source: &ES, _secp_ctx: &Secp256k1<T>
) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
unreachable!()
}
}

impl MessageRouter for FuzzRouter {
fn find_path(
&self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
) -> Result<OnionMessagePath, ()> {
unreachable!()
}

fn create_blinded_paths<
ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
>(
&self, _recipient: PublicKey, _peers: Vec<PublicKey>, _entropy_source: &ES,
_secp_ctx: &Secp256k1<T>
) -> Result<Vec<BlindedPath>, ()> {
unreachable!()
}
}

pub struct TestBroadcaster {}
Expand Down
33 changes: 31 additions & 2 deletions fuzz/src/full_stack.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,8 @@ use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};

use lightning::blinded_path::BlindedPath;
use lightning::blinded_path::payment::ReceiveTlvs;
use lightning::chain;
use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen};
use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
Expand All @@ -41,8 +43,9 @@ use lightning::ln::peer_handler::{MessageHandler,PeerManager,SocketDescriptor,Ig
use lightning::ln::msgs::{self, DecodeError};
use lightning::ln::script::ShutdownScript;
use lightning::ln::functional_test_utils::*;
use lightning::offers::invoice::UnsignedBolt12Invoice;
use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
use lightning::offers::invoice_request::UnsignedInvoiceRequest;
use lightning::onion_message::{Destination, MessageRouter, OnionMessagePath};
use lightning::routing::gossip::{P2PGossipSync, NetworkGraph};
use lightning::routing::utxo::UtxoLookup;
use lightning::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters, Router};
Expand All @@ -55,7 +58,7 @@ use lightning::util::ser::{ReadableArgs, Writeable};
use crate::utils::test_logger;
use crate::utils::test_persister::TestPersister;

use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1, self};
use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
use bitcoin::secp256k1::schnorr;
Expand Down Expand Up @@ -142,6 +145,32 @@ impl Router for FuzzRouter {
action: msgs::ErrorAction::IgnoreError
})
}

fn create_blinded_payment_paths<
ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
>(
&self, _recipient: PublicKey, _first_hops: Vec<ChannelDetails>, _tlvs: ReceiveTlvs,
_amount_msats: u64, _entropy_source: &ES, _secp_ctx: &Secp256k1<T>
) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
unreachable!()
}
}

impl MessageRouter for FuzzRouter {
fn find_path(
&self, _sender: PublicKey, _peers: Vec<PublicKey>, _destination: Destination
) -> Result<OnionMessagePath, ()> {
unreachable!()
}

fn create_blinded_paths<
ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
>(
&self, _recipient: PublicKey, _peers: Vec<PublicKey>, _entropy_source: &ES,
_secp_ctx: &Secp256k1<T>
) -> Result<Vec<BlindedPath>, ()> {
unreachable!()
}
}

struct TestBroadcaster {
Expand Down
14 changes: 12 additions & 2 deletions fuzz/src/onion_message.rs
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Original file line number Diff line number Diff line change
@@ -1,17 +1,18 @@
// Imports that need to be added manually
use bitcoin::bech32::u5;
use bitcoin::blockdata::script::ScriptBuf;
use bitcoin::secp256k1::{PublicKey, Scalar, Secp256k1, SecretKey};
use bitcoin::secp256k1::{PublicKey, Scalar, Secp256k1, SecretKey, self};
use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::secp256k1::ecdsa::RecoverableSignature;
use bitcoin::secp256k1::schnorr;

use lightning::sign::{Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
use lightning::blinded_path::BlindedPath;
use lightning::ln::features::InitFeatures;
use lightning::ln::msgs::{self, DecodeError, OnionMessageHandler};
use lightning::ln::script::ShutdownScript;
use lightning::offers::invoice::UnsignedBolt12Invoice;
use lightning::offers::invoice_request::UnsignedInvoiceRequest;
use lightning::sign::{Recipient, KeyMaterial, EntropySource, NodeSigner, SignerProvider};
use lightning::util::test_channel_signer::TestChannelSigner;
use lightning::util::logger::Logger;
use lightning::util::ser::{Readable, Writeable, Writer};
Expand Down Expand Up @@ -82,6 +83,15 @@ impl MessageRouter for TestMessageRouter {
first_node_addresses: None,
})
}

fn create_blinded_paths<
ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
>(
&self, _recipient: PublicKey, _peers: Vec<PublicKey>, _entropy_source: &ES,
_secp_ctx: &Secp256k1<T>
) -> Result<Vec<BlindedPath>, ()> {
unreachable!()
}
}

struct TestOffersMessageHandler {}
Expand Down
10 changes: 10 additions & 0 deletions lightning/src/blinded_path/payment.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ use crate::blinded_path::BlindedHop;
use crate::blinded_path::utils;
use crate::io;
use crate::ln::PaymentSecret;
use crate::ln::channelmanager::CounterpartyForwardingInfo;
use crate::ln::features::BlindedHopFeatures;
use crate::ln::msgs::DecodeError;
use crate::offers::invoice::BlindedPayInfo;
Expand Down Expand Up @@ -96,6 +97,15 @@ pub struct PaymentConstraints {
pub htlc_minimum_msat: u64,
}

impl From<CounterpartyForwardingInfo> for PaymentRelay {
fn from(info: CounterpartyForwardingInfo) -> Self {
let CounterpartyForwardingInfo {
fee_base_msat, fee_proportional_millionths, cltv_expiry_delta
} = info;
Self { cltv_expiry_delta, fee_proportional_millionths, fee_base_msat }
}
}

impl Writeable for ForwardTlvs {
fn write<W: Writer>(&self, w: &mut W) -> Result<(), io::Error> {
encode_tlv_stream!(w, {
Expand Down
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