Add updated duplicate broadcast test (#18506)

local-cluster/src/cluster_tests.rs

@@ -8,7 +8,11 @@ use rayon::prelude::*;
 use solana_client::thin_client::create_client;
 use solana_core::consensus::VOTE_THRESHOLD_DEPTH;
 use solana_gossip::{
-    cluster_info::VALIDATOR_PORT_RANGE, contact_info::ContactInfo, gossip_service::discover_cluster,
+    cluster_info::{self, VALIDATOR_PORT_RANGE},
+    contact_info::ContactInfo,
+    crds_value::{self, CrdsData, CrdsValue},
+    gossip_error::GossipError,
+    gossip_service::discover_cluster,
 };
 use solana_ledger::{
     blockstore::Blockstore,
@@ -25,11 +29,13 @@ use solana_sdk::{
     pubkey::Pubkey,
     signature::{Keypair, Signature, Signer},
     system_transaction,
-    timing::duration_as_ms,
+    timing::{duration_as_ms, timestamp},
     transport::TransportError,
 };
+use solana_vote_program::vote_transaction;
 use std::{
     collections::{HashMap, HashSet},
+    net::SocketAddr,
     path::Path,
     sync::{Arc, RwLock},
     thread::sleep,
@@ -406,3 +412,34 @@ fn verify_slot_ticks(
     }
     entries.last().unwrap().hash
 }
+
+pub fn submit_vote_to_cluster_gossip(
+    node_keypair: &Keypair,
+    vote_keypair: &Keypair,
+    vote_slot: Slot,
+    vote_hash: Hash,
+    blockhash: Hash,
+    gossip_addr: SocketAddr,
+) -> Result<(), GossipError> {
+    let vote_tx = vote_transaction::new_vote_transaction(
+        vec![vote_slot],
+        vote_hash,
+        blockhash,
+        node_keypair,
+        vote_keypair,
+        vote_keypair,
+        None,
+    );
+
+    cluster_info::push_messages_to_peer(
+        vec![CrdsValue::new_signed(
+            CrdsData::Vote(
+                0,
+                crds_value::Vote::new(node_keypair.pubkey(), vote_tx, timestamp()),
+            ),
+            node_keypair,
+        )],
+        node_keypair.pubkey(),
+        gossip_addr,
+    )
+}