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Add verify_signature() to Attestation

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This commit is contained in:
Paul Hauner 2019-02-11 17:24:32 +11:00
parent 25ae0f64c2
commit 75a9e0f3de
No known key found for this signature in database
GPG Key ID: D362883A9218FCC6
1 changed files with 13 additions and 2 deletions
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15
eth2/types/src/attestation.rs
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@ -1,6 +1,6 @@
use super::{AttestationData, Bitfield, Hash256}; use super::{AggregatePublicKey, AggregateSignature, AttestationData, Bitfield, Hash256};
use crate::test_utils::TestRandom; use crate::test_utils::TestRandom;
use bls::AggregateSignature; use bls::bls_verify_aggregate;
use rand::RngCore; use rand::RngCore;
use serde_derive::Serialize; use serde_derive::Serialize;
use ssz::{hash, Decodable, DecodeError, Encodable, SszStream, TreeHash}; use ssz::{hash, Decodable, DecodeError, Encodable, SszStream, TreeHash};
@ -21,6 +21,17 @@ impl Attestation {
pub fn signable_message(&self, custody_bit: bool) -> Vec<u8> { pub fn signable_message(&self, custody_bit: bool) -> Vec<u8> {
self.data.signable_message(custody_bit) self.data.signable_message(custody_bit)
} }
pub fn verify_signature(
&self,
group_public_key: &AggregatePublicKey,
custody_bit: bool,
// TODO: use domain.
_domain: u64,
) -> bool {
self.aggregate_signature
.verify(&self.signable_message(custody_bit), group_public_key)
}
} }
impl Encodable for Attestation { impl Encodable for Attestation {