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frost-zcash-demo
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use serde in trusted-dealer

This commit is contained in:
Conrado Gouvea 2023-07-20 19:27:33 -03:00
parent af1d45980e
commit 760c3fc8df
3 changed files with 10 additions and 46 deletions
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1
Cargo.lock generated
View File

@ -1045,6 +1045,7 @@ dependencies = [
"hex",
"itertools 0.11.0",
"rand",
"serde_json",
"thiserror",
]

2
trusted-dealer/Cargo.toml
View File

@ -12,3 +12,5 @@ rand = "0.8"
hex = "0.4"
itertools = "0.11.0"
exitcode = "1.1.2"
serde_json = "1.0"

53
trusted-dealer/src/output.rs
View File

@ -1,4 +1,4 @@
use frost::keys::{PublicKeyPackage, SecretShare, VerifiableSecretSharingCommitment};
use frost::keys::{PublicKeyPackage, SecretShare};
use frost::Identifier;
use frost_ed25519 as frost;
use itertools::Itertools;
@ -8,17 +8,6 @@ pub trait Logger {
fn log(&mut self, value: String);
}
fn encode_commitment(vss_commitment: &VerifiableSecretSharingCommitment) -> String {
let serialized = vss_commitment.serialize();
let num = serialized.len();
let mut out = hex::encode([num as u8]);
for cc in serialized {
out = out + &hex::encode(cc)
}
out
}
fn get_identifier_value(i: Identifier) -> String {
let s = i.serialize();
let le_bytes: [u8; 2] = [s[0], s[1]];
@ -31,8 +20,8 @@ pub fn print_values(
logger: &mut dyn Logger,
) {
logger.log(format!(
"Group public key: {}",
hex::encode(pubkeys.group_public().serialize())
"Public key package:\n{}",
serde_json::to_string(pubkeys).unwrap()
));
println!("---");
@ -40,16 +29,8 @@ pub fn print_values(
for (k, v) in keys.iter().sorted_by_key(|x| x.0) {
logger.log(format!("Participant: {}", get_identifier_value(*k)));
logger.log(format!(
"Secret share: {}",
hex::encode(v.value().serialize())
));
logger.log(format!(
"Public key: {}",
hex::encode(pubkeys.signer_pubkeys()[k].serialize())
));
logger.log(format!(
"Your verifiable secret sharing commitment: {}",
encode_commitment(v.commitment())
"Secret share:\n{}",
serde_json::to_string(v).unwrap()
));
println!("---")
}
@ -57,29 +38,9 @@ pub fn print_values(
#[cfg(test)]
mod tests {
use crate::output::{encode_commitment, get_identifier_value};
use frost::{keys::VerifiableSecretSharingCommitment, Identifier};
use crate::output::get_identifier_value;
use frost::Identifier;
use frost_ed25519 as frost;
use hex::FromHex;
#[test]
fn check_encode_commitment() {
let coeff_comm_1 = "538d43e67bc9c22a3befdf24e68f29bfc9bcbd844736e5b82fdab1545bceddcf";
let coeff_comm_2 = "6bc2053a2bedc6a071c74495965c960a6d2655720edba2a5aa68b8e160c9f55d";
let coeff_comm_3 = "eb73cfae619afa59984754e5f3e93ba2357164ce113b09e542365d8313d6f091";
let expected = "03".to_string() + coeff_comm_1 + coeff_comm_2 + coeff_comm_3;
let decoded_1 = <[u8; 32]>::from_hex(coeff_comm_1).unwrap();
let decoded_2 = <[u8; 32]>::from_hex(coeff_comm_2).unwrap();
let decoded_3 = <[u8; 32]>::from_hex(coeff_comm_3).unwrap();
let vss_commitment =
VerifiableSecretSharingCommitment::deserialize(vec![decoded_1, decoded_2, decoded_3])
.unwrap();
let commitment = encode_commitment(&vss_commitment);
assert!(commitment == expected)
}
#[test]
fn check_get_identifier_value() {