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Add tests for BIP-373 PSBT_{IN,OUT}_MUSIG2_PARTICIPANT_PUBKEYS serialization and deserialization

This commit is contained in:
Daniel Roberts 2025-05-01 11:47:59 -05:00
parent 3e8e6d9aa1
commit 2481695b45
1 changed files with 45 additions and 0 deletions
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45
bitcoin/src/psbt/mod.rs
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@ -1341,6 +1341,8 @@ mod tests {
secp256k1::{All, SecretKey}, secp256k1::{All, SecretKey},
}; };
use std::str::FromStr;
use super::*; use super::*;
use crate::address::script_pubkey::ScriptExt as _; use crate::address::script_pubkey::ScriptExt as _;
use crate::bip32::ChildNumber; use crate::bip32::ChildNumber;
@ -2237,6 +2239,49 @@ mod tests {
assert!(!rtt.proprietary.is_empty()); assert!(!rtt.proprietary.is_empty());
} }
// Deserialize MuSig2 PSBT participant keys according to BIP-373
#[test]
fn serialize_and_deserialize_musig2_participants() {
// XXX: Does not cover PSBT_IN_MUSIG2_PUB_NONCE, PSBT_IN_MUSIG2_PARTIAL_SIG (yet)
let expected_in_agg_pk = secp256k1::PublicKey::from_str("021401301810a46a4e3f39e4603ec228ed301d9f2079767fda758dee7224b32e00").unwrap();
let expected_in_pubkeys = vec![
secp256k1::PublicKey::from_str("02bebd7a1cef20283444b96e9ce78137e951ce48705390933896311a9abc75736a").unwrap(),
secp256k1::PublicKey::from_str("0355212dff7b3d7e8126687a62fd0435a3fb4de56d9af9ae23a1c9ca05b349c8e2").unwrap(),
];
let expected_out_agg_pk = secp256k1::PublicKey::from_str("0364934a64831bd917a2667b886671650846f021e1c025e4b2bb65e49ab3e7cba5").unwrap();
let expected_out_pubkeys = vec![
secp256k1::PublicKey::from_str("02841d69a8b80ae23a8090e6f3765540ea5efd8c287b1307c983a6e2a3a171b525").unwrap(),
secp256k1::PublicKey::from_str("02bad833849a98cdfb0a0749609ddccab16ad54485ecc67f828df4bdc4f2b90d4c").unwrap(),
];
const PSBT_HEX: &str = "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";
let psbt = hex_psbt(PSBT_HEX).unwrap();
assert_eq!(psbt.inputs[0].musig2_participant_pubkeys.len(), 1);
assert_eq!(
psbt.inputs[0].musig2_participant_pubkeys.iter().next().unwrap(),
(&expected_in_agg_pk, &expected_in_pubkeys)
);
assert_eq!(psbt.outputs[0].musig2_participant_pubkeys.len(), 1);
assert_eq!(
psbt.outputs[0].musig2_participant_pubkeys.iter().next().unwrap(),
(&expected_out_agg_pk, &expected_out_pubkeys)
);
// Check round trip de/serialization
assert_eq!(psbt.serialize_hex(), PSBT_HEX);
const PSBT_TRUNCATED_MUSIG_PARTICIPANTS_HEX: &str = "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";
hex_psbt(PSBT_TRUNCATED_MUSIG_PARTICIPANTS_HEX)
.expect_err("Deserializing PSBT with truncated musig participants should error");
}
// PSBTs taken from BIP 174 test vectors. // PSBTs taken from BIP 174 test vectors.
#[test] #[test]
fn combine_psbts() { fn combine_psbts() {