Migrate functional tests from Python to Rust with integrated RPC and node setup

.github/workflows/benchmarks.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.74.1
+      - uses: dtolnay/rust-toolchain@1.90.0
         with:
           components: rustfmt, clippy
 

.github/workflows/functional.yml

@@ -7,39 +7,48 @@ on:
 
 jobs:
   functional:
-    name: Functional
+    name: Functional ${{ matrix.type }}
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        type: [python, rust]
 
     steps:
       - uses: actions/checkout@v4
 
       # These are the minimal deps defined by bitcoin core at
       # https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md
       - name: Prepare bitcoin-core deps
+        if: matrix.type == 'python'
         run: sudo apt install build-essential cmake pkgconf python3 libevent-dev libboost-dev
 
       # see more at
       # https://docs.astral.sh/uv/guides/integration/github/
       - name: Install uv
+        if: matrix.type == 'python'
         uses: astral-sh/setup-uv@v5
         with:
           python-version: "3.12"
           enable-cache: true
           cache-dependency-glob: "uv.lock"
 
       - name: Prepare environment
+        if: matrix.type == 'python'
         run: uv sync --all-extras --dev
 
       - name: Run black formatting
+        if: matrix.type == 'python'
         run: uv run black --check --verbose ./tests
 
       - name: Run pylint linter
+        if: matrix.type == 'python'
         run: uv run pylint --verbose ./tests
 
       - name: Cache Rust
         uses: Swatinem/rust-cache@v2
 
-      - name: Run functional tests tasks
+      - name: Prepare and run functional tests in python
+        if: matrix.type == 'python'
         run: |
           tests/prepare.sh
           tests/run.sh
@@ -57,3 +66,16 @@ jobs:
             cat "$logfile" || echo "Failed to read $logfile"
             echo "::endgroup::"
           done
+
+      - name: Prepare Bitcoind and Utreexod binaries
+        if: matrix.type == 'rust'
+        run: |
+          source ./test-rust/scripts/prepare.sh
+          echo "BITCOIND_EXE=$BITCOIND_EXE" >> "$GITHUB_ENV"
+          echo "UTREEXOD_EXE=$UTREEXOD_EXE" >> "$GITHUB_ENV"
+
+      - name: Build and test Rust
+        if: matrix.type == 'rust'
+        run: |
+          cargo build --bin florestad --release
+          cargo test --features=functional-tests  -p test-functional -- --test-threads=1

.github/workflows/rust.yml

@@ -44,7 +44,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.74.1 # The version in our `rust-toolchain.toml`
+      - uses: dtolnay/rust-toolchain@1.90.0 # The version in our `rust-toolchain.toml`
         with:
           components: rustfmt, clippy
       - uses: taiki-e/install-action@cargo-hack

CONTRIBUTING.md

@@ -34,7 +34,7 @@ When adding a new feature ensure that it is covered by functional tests where po
 When refactoring, structure your PR to make it easy to review and don't
 hesitate to split it into multiple small, focused PRs.
 
-The Minimum Supported Rust Version is **1.74.1** (enforced by our CI).
+The Minimum Supported Rust Version is **1.90.0** (enforced by our CI).
 
 Commits should cover both the issue fixed and the solution's rationale.