fix(prover): Fix path to vk_setup_data_generator_server_fri (#2025)

## What ❔

Fix path after migration to non zksync home dir


## Checklist

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<!-- For draft PRs check the boxes as you complete them. -->

- [ ] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.
- [ ] Code has been formatted via `zk fmt` and `zk lint`.
- [ ] Spellcheck has been run via `zk spellcheck`.

---------

Signed-off-by: Danil <deniallugo@gmail.com>

prover/vk_setup_data_generator_server_fri/src/keystore.rs

@@ -20,11 +20,10 @@ use zksync_config::configs::FriProverConfig;
 use zksync_env_config::FromEnv;
 use zksync_prover_fri_types::ProverServiceDataKey;
 use zksync_types::basic_fri_types::AggregationRound;
-use zksync_utils::workspace_dir_or_current_dir;
 
 #[cfg(feature = "gpu")]
 use crate::GoldilocksGpuProverSetupData;
-use crate::{GoldilocksProverSetupData, VkCommitments};
+use crate::{utils::core_workspace_dir_or_current_dir, GoldilocksProverSetupData, VkCommitments};
 
 pub enum ProverServiceDataType {
     VerificationKey,
@@ -44,14 +43,14 @@ pub struct Keystore {
     setup_data_path: Option<String>,
 }
 
-fn get_base_path_from_env() -> PathBuf {
-    workspace_dir_or_current_dir().join("vk_setup_data_generator_server_fri/data")
+fn get_base_path() -> PathBuf {
+    core_workspace_dir_or_current_dir().join("prover/vk_setup_data_generator_server_fri/data")
 }
 
 impl Default for Keystore {
     fn default() -> Self {
         Self {
-            basedir: get_base_path_from_env(),
+            basedir: get_base_path(),
             setup_data_path: Some(
                 FriProverConfig::from_env()
                     .expect("FriProverConfig::from_env()")

prover/vk_setup_data_generator_server_fri/src/utils.rs

@@ -1,3 +1,5 @@
+use std::path::PathBuf;
+
 use anyhow::Context as _;
 use circuit_definitions::{
     circuit_definitions::aux_layer::ZkSyncSnarkWrapperCircuit,
@@ -20,6 +22,7 @@ use zksync_prover_fri_types::circuit_definitions::{
     },
 };
 use zksync_types::H256;
+use zksync_utils::locate_workspace;
 
 use crate::keystore::Keystore;
 
@@ -112,6 +115,14 @@ pub fn calculate_snark_vk_hash(keystore: &Keystore) -> anyhow::Result<H256> {
     Ok(H256::from_slice(&computed_vk_hash))
 }
 
+/// Returns workspace of the core component, we assume that prover is one folder deeper.
+/// Or fallback to current dir
+pub fn core_workspace_dir_or_current_dir() -> PathBuf {
+    locate_workspace()
+        .map(|a| a.join(".."))
+        .unwrap_or_else(|| PathBuf::from("."))
+}
+
 #[cfg(test)]
 mod tests {
     use std::{path::PathBuf, str::FromStr};

prover/vk_setup_data_generator_server_fri/src/vk_commitment_helper.rs

@@ -2,7 +2,8 @@ use std::{fs, path::PathBuf};
 
 use anyhow::Context as _;
 use toml_edit::{Document, Item, Value};
-use zksync_utils::workspace_dir_or_current_dir;
+
+use crate::utils::core_workspace_dir_or_current_dir;
 
 pub fn get_toml_formatted_value(string_value: String) -> Item {
     let mut value = Value::from(string_value);
@@ -23,5 +24,5 @@ pub fn read_contract_toml() -> anyhow::Result<Document> {
 }
 
 pub fn get_contract_toml_path() -> PathBuf {
-    workspace_dir_or_current_dir().join("../etc/env/base/contracts.toml")
+    core_workspace_dir_or_current_dir().join("etc/env/base/contracts.toml")
 }