sign_pop

node/libs/crypto/src/bls12_381/mod.rs

@@ -55,7 +55,6 @@ impl SecretKey {
     /// Produces a proof of possession for the public key corresponding to this [`SecretKey`]
     pub fn sign_pop(&self) -> ProofOfPossession {
         let msg = self.public().encode();
-
         ProofOfPossession(self.0.sign(&msg, DST_POP, &[]))
     }
 

node/libs/roles/src/validator/keys/secret_key.rs

@@ -1,4 +1,4 @@
-use super::{PublicKey, Signature};
+use super::{ProofOfPossession, PublicKey, Signature};
 use crate::validator::messages::{Msg, MsgHash, Signed};
 use std::{fmt, sync::Arc};
 use zksync_consensus_crypto::{bls12_381, ByteFmt, Text, TextFmt};
@@ -35,6 +35,11 @@ impl SecretKey {
     pub fn sign_hash(&self, msg_hash: &MsgHash) -> Signature {
         Signature(self.0.sign(&ByteFmt::encode(msg_hash)))
     }
+
+    /// Signa a proof of possession.
+    pub fn sign_pop(&self) -> ProofOfPossession {
+        ProofOfPossession(self.0.sign_pop())
+    }
 }
 
 impl ByteFmt for SecretKey {

node/libs/roles/src/validator/keys/signature.rs

@@ -25,7 +25,7 @@ pub struct ProofOfPossession(pub(crate) bls12_381::ProofOfPossession);
 
 impl ProofOfPossession {
     /// Verifies the proof against the public key.
-    pub fn verify(&self, pk: PublicKey) -> anyhow::Result<()> {
+    pub fn verify(&self, pk: &PublicKey) -> anyhow::Result<()> {
         self.0.verify(&pk.0)
     }
 }