1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 use crate::utils::test_logger;
11 use bitcoin::secp256k1::{self, Keypair, PublicKey, Secp256k1, SecretKey};
12 use core::convert::TryFrom;
13 use lightning::blinded_path::message::ForwardNode;
14 use lightning::blinded_path::BlindedPath;
15 use lightning::ln::features::BlindedHopFeatures;
16 use lightning::ln::PaymentHash;
17 use lightning::offers::invoice::{BlindedPayInfo, UnsignedBolt12Invoice};
18 use lightning::offers::parse::Bolt12SemanticError;
19 use lightning::offers::refund::Refund;
20 use lightning::sign::EntropySource;
21 use lightning::util::ser::Writeable;
24 pub fn do_test<Out: test_logger::Output>(data: &[u8], _out: Out) {
25 if let Ok(refund) = Refund::try_from(data.to_vec()) {
26 let mut bytes = Vec::with_capacity(data.len());
27 refund.write(&mut bytes).unwrap();
28 assert_eq!(data, bytes);
30 let secp_ctx = Secp256k1::new();
31 let keys = Keypair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap());
32 let pubkey = PublicKey::from(keys);
33 let mut buffer = Vec::new();
35 if let Ok(invoice) = build_response(&refund, pubkey, &secp_ctx) {
37 .sign(|message: &UnsignedBolt12Invoice| {
38 Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
49 impl EntropySource for Randomness {
50 fn get_secure_random_bytes(&self) -> [u8; 32] {
55 fn pubkey(byte: u8) -> PublicKey {
56 let secp_ctx = Secp256k1::new();
57 PublicKey::from_secret_key(&secp_ctx, &privkey(byte))
60 fn privkey(byte: u8) -> SecretKey {
61 SecretKey::from_slice(&[byte; 32]).unwrap()
64 fn build_response<T: secp256k1::Signing + secp256k1::Verification>(
65 refund: &Refund, signing_pubkey: PublicKey, secp_ctx: &Secp256k1<T>,
66 ) -> Result<UnsignedBolt12Invoice, Bolt12SemanticError> {
67 let entropy_source = Randomness {};
68 let intermediate_nodes = [
70 ForwardNode { node_id: pubkey(43), short_channel_id: None },
71 ForwardNode { node_id: pubkey(44), short_channel_id: None },
74 ForwardNode { node_id: pubkey(45), short_channel_id: None },
75 ForwardNode { node_id: pubkey(46), short_channel_id: None },
79 BlindedPath::new_for_message(&intermediate_nodes[0], pubkey(42), &entropy_source, secp_ctx)
81 BlindedPath::new_for_message(&intermediate_nodes[1], pubkey(42), &entropy_source, secp_ctx)
88 fee_proportional_millionths: 1_000,
89 cltv_expiry_delta: 42,
90 htlc_minimum_msat: 100,
91 htlc_maximum_msat: 1_000_000_000_000,
92 features: BlindedHopFeatures::empty(),
96 fee_proportional_millionths: 1_000,
97 cltv_expiry_delta: 42,
98 htlc_minimum_msat: 100,
99 htlc_maximum_msat: 1_000_000_000_000,
100 features: BlindedHopFeatures::empty(),
104 let payment_paths = payinfo.into_iter().zip(paths.into_iter()).collect();
105 let payment_hash = PaymentHash([42; 32]);
106 refund.respond_with(payment_paths, payment_hash, signing_pubkey)?.build()
109 pub fn refund_deser_test<Out: test_logger::Output>(data: &[u8], out: Out) {
114 pub extern "C" fn refund_deser_run(data: *const u8, datalen: usize) {
115 do_test(unsafe { std::slice::from_raw_parts(data, datalen) }, test_logger::DevNull {});