Add BankClient support to bench-exchange (#3902)

bench-exchange/Cargo.toml

@@ -29,6 +29,7 @@ solana-exchange-program = { path = "../programs/exchange_program", version = "0.
 solana-logger = { path = "../logger", version = "0.14.0" }
 solana-metrics = { path = "../metrics", version = "0.14.0" }
 solana-netutil = { path = "../netutil", version = "0.14.0" }
+solana-runtime = { path = "../runtime", version = "0.14.0" }
 solana-sdk = { path = "../sdk", version = "0.14.0" }
 ws = "0.8.0"
 untrusted = "0.6.2"

bench-exchange/src/bench.rs

@@ -1017,6 +1017,10 @@ mod tests {
     use solana::local_cluster::{ClusterConfig, LocalCluster};
     use solana_client::thin_client::create_client;
     use solana_drone::drone::run_local_drone;
+    use solana_exchange_api::exchange_processor::process_instruction;
+    use solana_runtime::bank::Bank;
+    use solana_runtime::bank_client::BankClient;
+    use solana_sdk::genesis_block::GenesisBlock;
     use std::sync::mpsc::channel;
 
     #[test]
@@ -1046,11 +1050,7 @@ mod tests {
             node_stakes: vec![100_000; NUM_NODES],
             cluster_lamports: 100_000_000_000_000,
             fullnode_config,
-            native_instruction_processors: [(
-                "solana_exchange_program".to_string(),
-                solana_exchange_api::id(),
-            )]
-            .to_vec(),
+            native_instruction_processors: [("solana_exchange_program".to_string(), id())].to_vec(),
             ..ClusterConfig::default()
         });
 
@@ -1105,4 +1105,24 @@ mod tests {
 
         do_bench_exchange(clients, config);
     }
+
+    #[test]
+    fn test_exchange_bank_client() {
+        solana_logger::setup();
+        let (genesis_block, identity) = GenesisBlock::new(100_000_000_000_000);
+        let mut bank = Bank::new(&genesis_block);
+        bank.add_instruction_processor(id(), process_instruction);
+        let clients = vec![BankClient::new(bank)];
+
+        let mut config = Config::default();
+        config.identity = identity;
+        config.threads = 4;
+        config.duration = Duration::from_secs(5);
+        config.fund_amount = 100_000;
+        config.trade_delay = 1;
+        config.batch_size = 10;
+        config.account_groups = 100;
+
+        do_bench_exchange(clients, config);
+    }
 }