Merge pull request from GHSA-8v47-8c53-wwrc

* Track transaction check time separately from account loads

* banking packet process metrics

* Remove signature clone in status cache lookup

* Reduce allocations when converting packets to transactions

* Add blake3 hash of transaction messages in status cache

* Bug fixes

* fix tests and run fmt

* Address feedback

* fix simd tx entry verification

* Fix rebase

* Feedback

* clean up

* Add tests

* Remove feature switch and fall back to signature check

* Bump programs/bpf Cargo.lock

* clippy

* nudge benches

* Bump `BankSlotDelta` frozen ABI hash`

* Add blake3 to sdk/programs/Cargo.lock

* nudge bpf tests

* short circuit status cache checks

Co-authored-by: Trent Nelson <trent@solana.com>

sdk/program/src/message.rs

@@ -7,11 +7,12 @@ use crate::serialize_utils::{
 };
 use crate::{
     bpf_loader, bpf_loader_deprecated, bpf_loader_upgradeable,
-    hash::Hash,
+    hash::{Hash, HASH_BYTES},
     instruction::{AccountMeta, CompiledInstruction, Instruction},
     pubkey::Pubkey,
     short_vec, system_instruction, system_program, sysvar,
 };
+use blake3::traits::digest::Digest;
 use itertools::Itertools;
 use lazy_static::lazy_static;
 use std::{convert::TryFrom, str::FromStr};
@@ -296,6 +297,20 @@ impl Message {
         Self::new(&instructions, payer)
     }
 
+    /// Compute the blake3 hash of this transaction's message
+    pub fn hash(&self) -> Hash {
+        let message_bytes = self.serialize();
+        Self::hash_raw_message(&message_bytes)
+    }
+
+    /// Compute the blake3 hash of a raw transaction message
+    pub fn hash_raw_message(message_bytes: &[u8]) -> Hash {
+        let mut hasher = blake3::Hasher::new();
+        hasher.update(b"solana-tx-message-v1");
+        hasher.update(message_bytes);
+        Hash(<[u8; HASH_BYTES]>::try_from(hasher.finalize().as_slice()).unwrap())
+    }
+
     pub fn compile_instruction(&self, ix: &Instruction) -> CompiledInstruction {
         compile_instruction(ix, &self.account_keys)
     }
@@ -1009,4 +1024,36 @@ mod tests {
             MESSAGE_HEADER_LENGTH
         );
     }
+
+    #[test]
+    fn test_message_hash() {
+        // when this test fails, it's most likely due to a new serialized format of a message.
+        // in this case, the domain prefix `solana-tx-message-v1` should be updated.
+        let program_id0 = Pubkey::from_str("4uQeVj5tqViQh7yWWGStvkEG1Zmhx6uasJtWCJziofM").unwrap();
+        let program_id1 = Pubkey::from_str("8opHzTAnfzRpPEx21XtnrVTX28YQuCpAjcn1PczScKh").unwrap();
+        let id0 = Pubkey::from_str("CiDwVBFgWV9E5MvXWoLgnEgn2hK7rJikbvfWavzAQz3").unwrap();
+        let id1 = Pubkey::from_str("GcdayuLaLyrdmUu324nahyv33G5poQdLUEZ1nEytDeP").unwrap();
+        let id2 = Pubkey::from_str("LX3EUdRUBUa3TbsYXLEUdj9J3prXkWXvLYSWyYyc2Jj").unwrap();
+        let id3 = Pubkey::from_str("QRSsyMWN1yHT9ir42bgNZUNZ4PdEhcSWCrL2AryKpy5").unwrap();
+        let instructions = vec![
+            Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id0, false)]),
+            Instruction::new_with_bincode(program_id0, &0, vec![AccountMeta::new(id1, true)]),
+            Instruction::new_with_bincode(
+                program_id1,
+                &0,
+                vec![AccountMeta::new_readonly(id2, false)],
+            ),
+            Instruction::new_with_bincode(
+                program_id1,
+                &0,
+                vec![AccountMeta::new_readonly(id3, true)],
+            ),
+        ];
+
+        let message = Message::new(&instructions, Some(&id1));
+        assert_eq!(
+            message.hash(),
+            Hash::from_str("CXRH7GHLieaQZRUjH1mpnNnUZQtU4V4RpJpAFgy77i3z").unwrap()
+        )
+    }
 }