feat: Added in-memory storage for testing purposes

Author: Harsh Dev Pathak

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

@@ -0,0 +1,70 @@
+name: In-Memory VSS Server CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test-in-memory:
+    runs-on: ubuntu-latest
+    timeout-minutes: 6
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Create in-memory config
+        run: |
+          mkdir -p rust/server
+          cat > rust/server/vss-server-config.toml <<EOF
+          [server_config]
+          host = "127.0.0.1"
+          port = 8080
+          store_type = "in-memory"
+          EOF
+
+      - name: Build server
+        working-directory: rust
+        run: cargo build --release --bin vss-server
+
+      - name: Start VSS server
+        working-directory: rust
+        run: |
+          ./target/release/vss-server ./server/vss-server-config.toml --in-memory > server.log 2>&1 &
+          echo "Server PID: $!"
+
+      - name: Wait for server
+        run: |
+          for i in {1..15}; do
+            if curl -s http://127.0.0.1:8080 > /dev/null; then
+              echo "Server is up!"
+              exit 0
+            fi
+            sleep 1
+          done
+          echo "Server failed. Dumping log:"
+          cat rust/server.log
+          exit 1
+
+      - name: HTTP Smoke Test
+        run: |
+          sudo apt-get update && sudo apt-get install -y xxd
+
+          curl -f \
+               -H "Authorization: Bearer test_user" \
+               --data-binary @<(echo "0A04746573741A150A026B3110FFFFFFFFFFFFFFFFFF011A046B317631" | xxd -r -p) \
+               http://127.0.0.1:8080/vss/putObjects
+
+          RESPONSE=$(curl -f \
+               -H "Authorization: Bearer test_user" \
+               --data-binary @<(echo "0A047465737412026B31" | xxd -r -p) \
+               http://127.0.0.1:8080/vss/getObject)
+
+      - name: Run In-Memory unit tests
+        working-directory: rust
+        run: cargo test --package impls --lib -- in_memory_store::tests --nocapture

.github/workflows/ldk-node-integration.yml

@@ -47,3 +47,56 @@ jobs:
           export TEST_VSS_BASE_URL="http://localhost:8080/vss"
           RUSTFLAGS="--cfg vss_test" cargo test io::vss_store
           RUSTFLAGS="--cfg vss_test" cargo test --test integration_tests_vss
+
+  test-in-memory:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          path: vss-server
+
+      - name: Checkout LDK Node
+        uses: actions/checkout@v3
+        with:
+          repository: lightningdevkit/ldk-node
+          path: ldk-node
+
+      - name: Create In-Memory config
+        run: |
+          mkdir -p vss-server/rust/server
+          cat > vss-server/rust/server/vss-server-config.toml <<EOF
+          [server_config]
+          host = "127.0.0.1"
+          port = 8080
+          store_type = "in-memory"
+          EOF
+
+      - name: Build & Start VSS Server
+        working-directory: vss-server/rust
+        run: |
+          cargo build --release --bin vss-server
+          ./target/release/vss-server ./server/vss-server-config.toml --in-memory > server.log 2>&1 &
+          echo "Server PID: $!"
+
+      - name: Wait for VSS
+        run: |
+          for i in {1..30}; do
+            if curl -s http://127.0.0.1:8080/vss > /dev/null; then
+              echo "VSS ready"
+              exit 0
+            fi
+            sleep 1
+          done
+          echo "VSS failed:"
+          cat vss-server/rust/vss.log
+          exit 1
+
+      - name: Run LDK Node Integration tests
+        working-directory: ldk-node
+        run: |
+          export TEST_VSS_BASE_URL="http://127.0.0.1:8080/vss"
+          RUSTFLAGS="--cfg vss_test" cargo test io::vss_store
+          RUSTFLAGS="--cfg vss_test" cargo test --test integration_tests_vss

rust/README.md

@@ -24,6 +24,11 @@ cargo build --release
    ```
    cargo run -- server/vss-server-config.toml
    ```
+
+   **Note:** For testing purposes, you can pass `--in-memory` to use in-memory instead of PostgreSQL 
+   ```
+   cargo run -- server/vss-server-config.toml --in-memory
+   ```
 4. VSS endpoint should be reachable at `http://localhost:8080/vss`.
 
 ### Configuration