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 //! Utilities for testing BOLT 12 Offers interfaces
12 use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, SecretKey};
13 use bitcoin::secp256k1::schnorr::Signature;
14 use core::convert::{AsRef, Infallible};
15 use core::time::Duration;
16 use crate::blinded_path::{BlindedHop, BlindedPath};
17 use crate::sign::EntropySource;
18 use crate::ln::PaymentHash;
19 use crate::ln::features::BlindedHopFeatures;
20 use crate::offers::invoice::BlindedPayInfo;
21 use crate::offers::merkle::TaggedHash;
23 pub(crate) fn payer_keys() -> KeyPair {
24 let secp_ctx = Secp256k1::new();
25 KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap())
28 pub(crate) fn payer_sign<T: AsRef<TaggedHash>>(message: &T) -> Result<Signature, Infallible> {
29 let secp_ctx = Secp256k1::new();
30 let keys = KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap());
31 Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
34 pub(crate) fn payer_pubkey() -> PublicKey {
35 payer_keys().public_key()
38 pub(crate) fn recipient_keys() -> KeyPair {
39 let secp_ctx = Secp256k1::new();
40 KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap())
43 pub(crate) fn recipient_sign<T: AsRef<TaggedHash>>(message: &T) -> Result<Signature, Infallible> {
44 let secp_ctx = Secp256k1::new();
45 let keys = KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap());
46 Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
49 pub(crate) fn recipient_pubkey() -> PublicKey {
50 recipient_keys().public_key()
53 pub(super) fn pubkey(byte: u8) -> PublicKey {
54 let secp_ctx = Secp256k1::new();
55 PublicKey::from_secret_key(&secp_ctx, &privkey(byte))
58 pub(super) fn privkey(byte: u8) -> SecretKey {
59 SecretKey::from_slice(&[byte; 32]).unwrap()
62 pub(crate) fn payment_paths() -> Vec<(BlindedPayInfo, BlindedPath)> {
65 introduction_node_id: pubkey(40),
66 blinding_point: pubkey(41),
68 BlindedHop { blinded_node_id: pubkey(43), encrypted_payload: vec![0; 43] },
69 BlindedHop { blinded_node_id: pubkey(44), encrypted_payload: vec![0; 44] },
73 introduction_node_id: pubkey(40),
74 blinding_point: pubkey(41),
76 BlindedHop { blinded_node_id: pubkey(45), encrypted_payload: vec![0; 45] },
77 BlindedHop { blinded_node_id: pubkey(46), encrypted_payload: vec![0; 46] },
85 fee_proportional_millionths: 1_000,
86 cltv_expiry_delta: 42,
87 htlc_minimum_msat: 100,
88 htlc_maximum_msat: 1_000_000_000_000,
89 features: BlindedHopFeatures::empty(),
93 fee_proportional_millionths: 1_000,
94 cltv_expiry_delta: 42,
95 htlc_minimum_msat: 100,
96 htlc_maximum_msat: 1_000_000_000_000,
97 features: BlindedHopFeatures::empty(),
101 payinfo.into_iter().zip(paths.into_iter()).collect()
104 pub(crate) fn payment_hash() -> PaymentHash {
105 PaymentHash([42; 32])
108 pub(crate) fn now() -> Duration {
109 std::time::SystemTime::now()
110 .duration_since(std::time::SystemTime::UNIX_EPOCH)
111 .expect("SystemTime::now() should come after SystemTime::UNIX_EPOCH")
114 pub(crate) struct FixedEntropy;
116 impl EntropySource for FixedEntropy {
117 fn get_secure_random_bytes(&self) -> [u8; 32] {