Upgrade to Arcium 0.6.2

Add a workaround for setup-arcium not working on 0.6.2

Remove arcup use 0.6.2 call - binary already installed

Fix Node engine warning - use Node 23.6.0 for @noble/hashes 2.0.1

Use Node 22.12.0 LTS instead of unstable 23.x

Author: mikemaccana

.github/workflows/test.yml

@@ -12,21 +12,33 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      # Install system dependencies for hidapi (needed on GitHub Actions environment)
-      - name: Install libudev
-        run: sudo apt-get update && sudo apt-get install -y libudev-dev
-      # Note this doesn't follow Arcium versions
-      - uses: arcium-hq/setup-arcium@v0.3.0
+
+      # Use setup-arcium@v0.5.4 to install Rust, Solana, Anchor, and arcup
+      # Then override with Arcium 0.6.2 binary since arcup 0.6.2 has bootstrap bug
+      - uses: arcium-hq/setup-arcium@v0.5.4
         with:
-          runner-arch-os: x86_64_linux
-          # TODO: fix for outdated default Solana CLI
-          # Remove once https://github.com/arcium-hq/setup-arcium/pull/2 is merged
-          solana-cli-version: 2.3.11
-          arcium-version: 0.4.0
-          anchor-version: 0.32.1
+          runner-arch-os: "x86_64_linux"
+          arcium-version: "0.5.4"
+          solana-cli-version: "2.3.11"
+          anchor-version: "0.32.1"
+          node-version: "22.12.0"
+
+      # Override with Arcium 0.6.2 binary
+      # arcup 0.6.2 has bootstrap bug (panics with "index not found" at arcup/src/config.rs:29:51)
+      # so we download the 0.6.2 binary directly instead of using arcup
+      - name: Override with Arcium CLI 0.6.2
+        run: |
+          curl "https://bin.arcium.com/download/arcium_x86_64_linux_0.6.2" -o ~/.cargo/bin/arcium
+          chmod +x ~/.cargo/bin/arcium
+          arcium --version
 
-      - run: export PATH="$HOME/.local/share/solana/install/active_release/bin:$PATH" && solana --version
+      # Verify Docker is running and can pull images
+      # Arcium requires Docker to run MPC nodes during tests
+      - name: Verify Docker
+        run: |
+          docker info
+          docker ps
 
       - run: npm i
 
-      - run: export PATH="$HOME/.local/share/solana/install/active_release/bin:$PATH" && bash run-tests.bash
+      - run: npm test

.gitignore

@@ -9,3 +9,4 @@ encrypted-ixs/arcis_temp_target
 build
 encrypted-ixs/src/main.rs
 artifacts/
+dist/election-client

Anchor.toml

@@ -8,7 +8,7 @@ resolution = true
 skip-lint = false
 
 [programs.localnet]
-election = "26z6tf8ndLVRfQJJBvYsmtMyrLVWaBoUN6RgCXrtsZjD"
+election = "3XogG8seGS5mUe8SwJk37xb3g3d55hpFf4df43pgn3pJ"
 
 [registry]
 url = "https://api.apr.dev"
@@ -19,3 +19,10 @@ wallet = "~/.config/solana/id.json"
 
 [scripts]
 test = "npx tsx tests/election.ts"
+
+[test]
+# GitHub Actions environment can be very slow - 300s (5 minutes) allows Solana localnet
+# and Arcium MPC nodes enough time to initialize. Local development typically uses ~90s.
+startup_wait = 300000
+shutdown_wait = 2000
+upgradeable = false