Circuit cache dir now uses os cache dir

zero_bin/common/src/prover_state/mod.rs

@@ -243,7 +243,6 @@ impl ProverStateManager {
     /// Initialize global prover state from the configuration.
     pub fn initialize(&self) -> anyhow::Result<()> {
         info!("initializing prover state...");
-        set_circuit_cache_dir_env_if_not_set()?;
 
         let state = match self.persistence {
             CircuitPersistence::None => {

zero_bin/common/src/prover_state/persistence.rs

@@ -292,7 +292,7 @@ fn circuit_dir() -> String {
 /// We store serialized circuits inside the cache directory specified by an env
 /// variable. If the user does not set this, then we set it base to the OS's
 /// standard location for the cache directory.
-pub(crate) fn set_circuit_cache_dir_env_if_not_set() -> anyhow::Result<()> {
+pub fn set_circuit_cache_dir_env_if_not_set() -> anyhow::Result<()> {
     if std::env::var_os(ZK_EVM_CACHE_DIR_ENV).is_none() {
         let circuit_cache_dir = match ProjectDirs::from("", "", ZK_EVM_CACHE_DIR_NAME) {
             Some(proj_dir) => proj_dir.cache_dir().to_path_buf(),

zero_bin/leader/src/main.rs

@@ -10,7 +10,7 @@ use ops::register;
 use paladin::runtime::Runtime;
 use proof_gen::proof_types::GeneratedBlockProof;
 use tracing::{info, warn};
-use zero_bin_common::block_interval::BlockInterval;
+use zero_bin_common::{block_interval::BlockInterval, prover_state::persistence::set_circuit_cache_dir_env_if_not_set};
 use zero_bin_common::version;
 
 use crate::client::{client_main, ProofParams};
@@ -38,6 +38,7 @@ fn get_previous_proof(path: Option<PathBuf>) -> Result<Option<GeneratedBlockProo
 #[tokio::main]
 async fn main() -> Result<()> {
     load_dotenvy_vars_if_present();
+    set_circuit_cache_dir_env_if_not_set()?;
     init::tracing();
 
     if env::var_os(EVM_ARITHMETIZATION_PKG_VER).is_none() {

zero_bin/worker/src/main.rs

@@ -5,7 +5,7 @@ use clap::Parser;
 use dotenvy::dotenv;
 use ops::register;
 use paladin::runtime::WorkerRuntime;
-use zero_bin_common::prover_state::cli::CliProverStateConfig;
+use zero_bin_common::prover_state::{cli::CliProverStateConfig, persistence::set_circuit_cache_dir_env_if_not_set};
 use zero_bin_common::version;
 
 mod init;
@@ -38,6 +38,7 @@ async fn main() -> Result<()> {
 
     dotenv().ok();
     init::tracing();
+    set_circuit_cache_dir_env_if_not_set()?;
     let args = Cli::parse();
 
     args.prover_state_config