remove unnecessary ws_url

Author: tomjohn1028

cranker/.env.example

@@ -1,5 +1,4 @@
 RPC_URL=https://api.devnet.solana.com
-WS_URL=wss://api.devnet.solana.com
 KEYPAIR_PATH=YOUR_KEYPAIR_PATH
 PROGRAM_ID=5TAiuAh3YGDbwjEruC1ZpXTJWdNDS7Ur7VeqNNiHMmGV
 INTERVAL_SECONDS=60

cranker/src/lib.rs

@@ -34,7 +34,6 @@ use ::{
 #[derive(Clone)]
 pub struct CrankerConfig {
     pub rpc_url: String,
-    pub ws_url: String,
     pub program_id: Pubkey,
     pub payer: Arc<Keypair>, // Wrapped in Arc
     pub interval: Duration,

cranker/src/main.rs

@@ -16,8 +16,6 @@ fn load_config() -> Result<CrankerConfig, Box<dyn std::error::Error>> {
     // Load each environment variable with better error messages
     let rpc_url = std::env::var("RPC_URL").map_err(|_| "RPC_URL not found in environment")?;
 
-    let ws_url = std::env::var("WS_URL").map_err(|_| "WS_URL not found in environment")?;
-
     let keypair_path = std::env
         ::var("KEYPAIR_PATH")
         .map_err(|_| "KEYPAIR_PATH not found in environment")?;
@@ -42,7 +40,6 @@ fn load_config() -> Result<CrankerConfig, Box<dyn std::error::Error>> {
 
     Ok(CrankerConfig {
         rpc_url,
-        ws_url,
         program_id,
         payer,
         interval,
@@ -73,7 +70,6 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     info!("Configuration loaded successfully:");
     info!("RPC URL: {}", config.rpc_url);
-    info!("WS URL: {}", config.ws_url);
     info!("Program ID: {}", config.program_id);
     info!("Payer: {}", config.payer.as_ref().pubkey()); // Signer trait now in scope
     info!("Interval: {}s", config.interval.as_secs());