Upgrade tarpc and tokio (#13293)

tokens/Cargo.toml

@@ -28,7 +28,7 @@ solana-sdk = { path = "../sdk", version = "1.5.0" }
 solana-stake-program = { path = "../programs/stake", version = "1.5.0" }
 tempfile = "3.1.0"
 thiserror = "1.0"
-tokio = "0.2"
+tokio = { version = "0.3", features = ["full"] }
 url = "2.1"
 
 [dev-dependencies]

tokens/src/commands.rs

@@ -27,7 +27,7 @@ use std::{
     io,
     time::Duration,
 };
-use tokio::time::delay_for;
+use tokio::time::sleep;
 
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 struct Allocation {
@@ -417,7 +417,7 @@ async fn finalize_transactions(
         }
 
         // Sleep for about 1 slot
-        delay_for(Duration::from_millis(500)).await;
+        sleep(Duration::from_millis(500)).await;
         let opt_conf = update_finalized_transactions(client, db).await?;
         opt_confirmations = opt_conf;
     }

tokens/src/main.rs

@@ -22,7 +22,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     let url = Url::parse(&rpc_banks_url)?;
     let host_port = (url.host_str().unwrap(), url.port().unwrap());
 
-    let mut runtime = Runtime::new().unwrap();
+    let runtime = Runtime::new().unwrap();
     let mut banks_client = runtime.block_on(start_tcp_client(&host_port))?;
 
     match command_args.command {