use home, non-wasm builds

Cargo.toml

@@ -52,6 +52,7 @@ camino = "1.1.6"
 # grumpkin-msm has been patched to support MSMs for the pasta curve cycle
 # see: https://github.com/lurk-lab/grumpkin-msm/pull/3
 grumpkin-msm = { git = "https://github.com/lurk-lab/grumpkin-msm", branch = "dev" }
+home = "0.5.9"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 getrandom = { version = "0.2.0", default-features = false, features = ["js"] }

src/data.rs

@@ -30,7 +30,8 @@ pub struct DataConfig {
 /// Initializes the global configuration for Arecibo data storage, setting up the root directory
 /// and initializing counters. We create the root directory if it does not already exist.
 pub fn init_config() -> DataConfig {
-  let root_dir = Utf8PathBuf::from(ARECIBO_DATA);
+  let root_dir = home::home_dir().unwrap().join(ARECIBO_DATA);
+  let root_dir = Utf8PathBuf::from_path_buf(root_dir).unwrap();
   if !root_dir.exists() {
     fs::create_dir_all(&root_dir).expect("Failed to create arecibo data directory");
   }

src/lib.rs

@@ -25,20 +25,22 @@ pub mod r1cs;
 pub mod spartan;
 pub mod traits;
 
+#[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
 pub mod data;
 pub mod supernova;
 
 use once_cell::sync::OnceCell;
 use traits::{CurveCycleEquipped, Dual};
 
+#[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
+use crate::data::{write_arecibo_data, write_data};
 use crate::digest::{DigestComputer, SimpleDigestible};
 use crate::{
   bellpepper::{
     r1cs::{NovaShape, NovaWitness},
     shape_cs::ShapeCS,
     solver::SatisfyingAssignment,
   },
-  data::{write_arecibo_data, write_data},
   r1cs::R1CSResult,
 };
 use abomonation::Abomonation;
@@ -501,7 +503,10 @@ where
     };
 
     let config = RecursiveSNARKConfig {
+      #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
       write_data: write_data(),
+      #[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
+      write_data: false,
     };
 
     Ok(Self {
@@ -611,6 +616,7 @@ where
       &mut self.buffer_primary.ABC_Z_2,
     )?;
 
+    #[cfg(any(target_arch = "x86_64", target_arch = "aarch64"))]
     if self.config.write_data {
       let W = l_w_primary.W;
       write_arecibo_data(