Fix invalid Barrier transactions (#3139)

bench-tps/src/main.rs

@@ -9,7 +9,7 @@ use solana::gen_keys::GenKeys;
 use solana::service::Service;
 use solana::thin_client::poll_gossip_for_leader;
 use solana_metrics;
-use solana_sdk::signature::KeypairUtil;
+use solana_sdk::signature::{Keypair, KeypairUtil};
 
 use std::collections::VecDeque;
 use std::process::exit;
@@ -146,7 +146,8 @@ fn main() {
         target /= MAX_SPENDS_PER_TX;
     }
     let gen_keypairs = rnd.gen_n_keypairs(total_keys as u64);
-    let barrier_id = rnd.gen_n_keypairs(1).pop().unwrap();
+    let barrier_source_keypair = Keypair::new();
+    let barrier_dest_id = Keypair::new().pubkey();
 
     println!("Get tokens...");
     let num_tokens_per_account = 20;
@@ -166,7 +167,7 @@ fn main() {
     }
     let start = gen_keypairs.len() - (tx_count * 2) as usize;
     let keypairs = &gen_keypairs[start..];
-    airdrop_tokens(&mut barrier_client, &drone_addr, &barrier_id, 1);
+    airdrop_tokens(&mut barrier_client, &drone_addr, &barrier_source_keypair, 1);
 
     println!("Get last ID...");
     let mut blockhash = client.get_recent_blockhash();
@@ -253,7 +254,12 @@ fn main() {
         // It's not feasible (would take too much time) to confirm each of the `tx_count / 2`
         // transactions sent by `generate_txs()` so instead send and confirm a single transaction
         // to validate the network is still functional.
-        send_barrier_transaction(&mut barrier_client, &mut blockhash, &barrier_id);
+        send_barrier_transaction(
+            &mut barrier_client,
+            &mut blockhash,
+            &barrier_source_keypair,
+            &barrier_dest_id,
+        );
 
         i += 1;
         if should_switch_directions(num_tokens_per_account, i) {