ci: add github actions rust formater, linter, and test execution

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+  BITCOIN_CORE_VERSION: "29.0"
+
+jobs:
+  fmt:
+    name: rustfmt
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+
+  clippy:
+    name: clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy --workspace --all-targets -- -D warnings
+
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Install Bitcoin Core
+        run: |
+          wget -q "https://bitcoincore.org/bin/bitcoin-core-${BITCOIN_CORE_VERSION}/bitcoin-${BITCOIN_CORE_VERSION}-x86_64-linux-gnu.tar.gz"
+          tar xzf "bitcoin-${BITCOIN_CORE_VERSION}-x86_64-linux-gnu.tar.gz"
+          sudo cp "bitcoin-${BITCOIN_CORE_VERSION}/bin/bitcoind" /usr/local/bin/
+          bitcoind --version
+
+      - run: cargo test --workspace

rustfmt.toml

@@ -0,0 +1,12 @@
+max_width = 100
+hard_tabs = false
+tab_spaces = 4
+newline_style = "Auto"
+use_small_heuristics = "Default"
+reorder_imports = true
+reorder_modules = true
+edition = "2021"
+use_try_shorthand = false
+use_field_init_shorthand = false
+force_explicit_abi = true
+merge_derives = true