Add rust tests

.github/workflows/tests-rust.yml

@@ -0,0 +1,59 @@
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  workflow_dispatch:
+  push:
+
+env:
+  CARGO_TERM_COLOR: always
+  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, ubuntu-22.04]
+
+    runs-on: [self-hosted, '${{ matrix.os }}']
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            ./target
+          key: ${{ matrix.os }}-geyser-plugin-runner-${{ hashFiles('rust-toolchain.toml') }}-${{ hashFiles('**/Cargo.lock') }}-0001
+          restore-keys: |
+            ${{ matrix.os }}-geyser-plugin-runner
+
+      - name: Set rust version
+        run: |
+          RUST_VERSION="$(./ci/rust-version.sh)"
+          echo "RUST_VERSION=$RUST_VERSION" >> "$GITHUB_ENV"
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ env.RUST_VERSION }}
+          profile: minimal
+          components: clippy, rustfmt
+
+      - name: cargo tree
+        run: |
+          cargo tree
+          git checkout Cargo.lock
+          cargo tree --frozen --offline
+
+      - name: Run fmt
+        run: cargo fmt --all -- --check
+
+      - name: Run clippy
+        run: cargo clippy --all-targets --tests -- -Dwarnings
+
+      - name: Run test
+        run: cargo test --all-targets

ci/rust-version.sh

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+#!/usr/bin/env bash
+
+# Prints Rust version
+
+while read -r name equals value _; do
+  if [[ $name = "channel" && $equals = = ]]; then
+    echo "${value//\"/}"
+  fi
+done < <(cat $(dirname "${BASH_SOURCE[0]}")/../rust-toolchain.toml)