Use blockhash, not bank hash, for vote txs

Author: InKryption

src/replay/consensus/core.zig

@@ -1453,9 +1453,13 @@ fn generateVoteTx(
     );
     defer vote_ix.deinit(allocator);
 
-    const blockhash = slot_info.state.hash.readCopy() orelse {
-        logger.warn().logf("Blockhash is null for slot {}", .{last_voted_slot});
-        return .failed;
+    const blockhash = blk: {
+        const bhq, var bhq_lg = slot_info.state.blockhash_queue.readWithLock();
+        defer bhq_lg.unlock();
+        break :blk bhq.last_hash orelse {
+            logger.warn().logf("Blockhash is null for slot {}", .{last_voted_slot});
+            return .failed;
+        };
     };
 
     const vote_tx_msg = try sig.core.transaction.Message.initCompile(