Wrap ed25519_dalek::Keypair (#8247)

ledger/src/blockstore_processor.rs

@@ -23,7 +23,7 @@ use solana_sdk::{
     clock::{Slot, MAX_RECENT_BLOCKHASHES},
     genesis_config::GenesisConfig,
     hash::Hash,
-    signature::{Keypair, KeypairUtil},
+    signature::Keypair,
     timing::duration_as_ms,
     transaction::{Result, Transaction, TransactionError},
 };

ledger/src/leader_schedule_cache.rs

@@ -265,7 +265,7 @@ mod tests {
         EpochSchedule, DEFAULT_LEADER_SCHEDULE_SLOT_OFFSET, DEFAULT_SLOTS_PER_EPOCH,
         MINIMUM_SLOTS_PER_EPOCH,
     };
-    use solana_sdk::signature::{Keypair, KeypairUtil};
+    use solana_sdk::signature::Keypair;
     use std::{sync::mpsc::channel, sync::Arc, thread::Builder};
 
     #[test]

ledger/src/sigverify_shreds.rs

@@ -301,9 +301,9 @@ fn sign_shred_cpu(keypair: &Keypair, packet: &mut Packet) {
         packet.meta.size >= msg_end,
         "packet is not large enough for a signature"
     );
-    let signature = keypair.sign(&packet.data[msg_start..msg_end]);
+    let signature = keypair.sign_message(&packet.data[msg_start..msg_end]);
     trace!("signature {:?}", signature);
-    packet.data[0..sig_end].copy_from_slice(&signature.to_bytes());
+    packet.data[0..sig_end].copy_from_slice(&signature.as_ref());
 }
 
 pub fn sign_shreds_cpu(keypair: &Keypair, batches: &mut [Packets]) {
@@ -323,7 +323,7 @@ pub fn sign_shreds_cpu(keypair: &Keypair, batches: &mut [Packets]) {
 pub fn sign_shreds_gpu_pinned_keypair(keypair: &Keypair, cache: &RecyclerCache) -> PinnedVec<u8> {
     let mut vec = cache.buffer().allocate("pinned_keypair");
     let pubkey = keypair.pubkey().to_bytes();
-    let secret = keypair.secret.to_bytes();
+    let secret = keypair.secret().to_bytes();
     let mut hasher = Sha512::default();
     hasher.input(&secret);
     let mut result = hasher.result();