feat: upload to server

.github/workflows/build-and-test.yml

@@ -67,7 +67,7 @@ jobs:
       - name: Install Android NDK
         run: cargo install cargo-ndk
       - name: Build
-        run: cargo ndk -t ${{ matrix.target }} build
+        run: cargo ndk -t ${{ matrix.target }} build -vv
   test-linux:
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
@@ -79,7 +79,7 @@ jobs:
           toolchain: "1.81.0"
           override: true
       - name: Run tests
-        run: cargo test
+        run: cargo test -vv
   test-macOS:
     runs-on: macos-latest
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name

crates/Cargo.toml

@@ -15,4 +15,4 @@ num-bigint = "0.4.6"
 num-traits = "0.2.19"
 
 [build-dependencies]
-cc = "1.0"
+cc = "1.0"

crates/README.md

@@ -77,6 +77,10 @@ let valid = rust_rapidsnark::groth16_verify_wrapper(
 -   aarch64-linux-android
 -   x86_64-linux-android
 
+## Uploaded binaries
+
+-   Rapidsnark artifacts are uploaded [here](https://github.com/vivianjeng/rapidsnark/actions/runs/13075683259)
+
 ## Community
 
 -   Website: [zkmopro.com](https://zkmopro.com)

crates/build.rs

@@ -2,20 +2,40 @@ use std::env;
 use std::fs;
 use std::path::Path;
 use std::path::PathBuf;
+use std::process::Command;
+
+const RAPIDSNARK_DOWNLOAD_SCRIPT: &str = include_str!("./download_rapidsnark.sh");
 
 fn main() {
-    let target = std::env::var("TARGET").unwrap();
+    let target = env::var("TARGET").unwrap();
+    let out_dir = env::var("OUT_DIR").expect("OUT_DIR not set");
     let arch = target.split('-').next().unwrap();
 
     // Try to list contents of the target directory
-    let manifest_dir = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap());
-    let rapidsnark_dir = manifest_dir.join("rapidsnark");
-    let absolute_lib_path = if rapidsnark_dir.join(&target).exists() {
-        rapidsnark_dir.join(&target)
+    let rapidsnark_path = Path::new(&out_dir).join(Path::new("rapidsnark"));
+    // If the rapidsnark repo is not downloaded, download it
+    if !rapidsnark_path.exists() {
+        let rapidsnark_script_path = Path::new(&out_dir).join(Path::new("download_rapidsnark.sh"));
+        fs::write(&rapidsnark_script_path, RAPIDSNARK_DOWNLOAD_SCRIPT)
+            .expect("Failed to write build script");
+        let child_process = Command::new("sh")
+            .arg(rapidsnark_script_path.to_str().unwrap())
+            .spawn();
+        if let Err(e) = child_process {
+            panic!("Failed to spawn rapidsnark download: {}", e);
+        }
+        let status = child_process.unwrap().wait();
+        if let Err(e) = status {
+            panic!("Failed to wait for rapidsnark download: {}", e);
+        } else if !status.unwrap().success() {
+            panic!("Failed to wait for rapidsnark download");
+        }
+    }
+    let absolute_lib_path = if rapidsnark_path.join(&target).exists() {
+        rapidsnark_path.join(&target)
     } else {
-        rapidsnark_dir.join(arch)
+        rapidsnark_path.join(arch)
     };
-
     let compiler = cc::Build::new().get_compiler();
     let cpp_stdlib = if compiler.is_like_clang() {
         "c++"

crates/download_rapidsnark.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Exit on error
+set -e
+
+# OUT_DIR is specified by the rust build environment
+if [ -z $OUT_DIR ]; then
+    echo "OUT_DIR not specified"
+    exit 1
+fi
+# TARGET is specified by the rust build environment
+if [ -z $TARGET ]; then
+    echo "TARGET not specified"
+    exit 1
+fi
+BUILD_DIR=$OUT_DIR/rapidsnark
+mkdir -p $BUILD_DIR
+
+download_and_unzip() {
+    local target="$1"
+    local zip_file="$BUILD_DIR/$target.zip"
+    
+    echo "Downloading $target..."
+    
+    # Download file with error handling
+    if ! curl -L -o "$zip_file" "https://rapidsnark.zkmopro.org/$target.zip"; then
+        echo "Failed to download $target.zip"
+        return 1  # Return failure status
+    fi
+    
+    echo "Unzipping $zip_file..."
+    
+    # Unzip with error handling
+    if ! unzip "$zip_file" -d "$BUILD_DIR"; then
+        echo "Failed to unzip $zip_file"
+        return 1
+    fi
+    
+    echo "✅ Successfully downloaded and extracted $target.zip"
+}
+
+# Try downloading the full target
+if ! download_and_unzip "$TARGET"; then
+    echo "Retrying with local architecture..."
+    
+    local_arch=$(echo "$TARGET" | cut -d'-' -f1)
+    
+    if ! download_and_unzip "$local_arch"; then
+        echo "Download failed for both $TARGET and $local_arch"
+        exit 1  # Exit the script with failure
+    fi
+fi

crates/rapidsnark/README.md

@@ -1,3 +0,0 @@
-Built from [here](https://github.com/chancehudson/rapidsnark/tree/rust-ffi). This is built into static libraries and then linked into the rust project. Importantly we need to compile static libraries for each platform we intend to support.
-
-Linking static libraries instead of compiling from c++ source should make it easier to maintain the `build.rs` script.