Add basic CI for Solana integration branch

Author: deekerno

.github/workflows/ci.yml

@@ -0,0 +1,62 @@
+name: Solana Integration Checks
+on:
+    push:
+        branches:
+            - solana/integration
+    pull_request: null
+
+env:
+    RUSTC_VERSION: 1.76.0
+jobs:
+    cancel-previous-runs:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Cancel Previous Runs
+              uses: styfle/cancel-workflow-action@0.9.1
+              with:
+                access_token: ${{ github.token }}
+    cargo-clippy-and-lint:
+        name: Clippy Checks
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - name: Install toolchain
+              uses: dtolnay/rust-toolchain@master
+              with:
+                toolchain: ${{ env.RUSTC_VERSION }}
+                components: clippy, rustfmt
+            - name: cargo fmt --check
+              run: cargo fmt --check
+            - name: cargo clippy --locked --no-deps --all-targets --features testnet -- -D warnings
+              run: cargo clippy --locked --no-deps --all-targets --features testnet -- -D warnings
+            - name: cargo clippy --locked --no-deps --all-targets --features localnet -- -D warnings
+              run: cargo clippy --locked --no-deps --all-targets --features localnet -- -D warnings
+    test:
+        name: Run Tests
+        runs-on: ubuntu-latest
+        # Anchor Docker image: https://www.anchor-lang.com/docs/verifiable-builds#images
+        container: backpackapp/build:v0.29.0
+        steps:
+            - uses: actions/checkout@v4
+            - name: Generate new keygen
+              run: solana-keygen new
+            - name: Install NPM dependencies
+              run: npm ci
+            - name: cargo test --features localnet --no-default-features
+              run: cargo test --features localnet --no-default-features
+            - name: cargo test --features testnet --no-default-features
+              run: cargo test --features testnet --no-default-features
+            - name: anchor build --arch sbf -- --features testnet
+              run: anchor build --arch sbf -- --features testnet
+            - name: Create artifact directory
+              run: mkdir -p ts/tests/artifacts
+            - name: Copy Testnet Matching Engine Object
+              run: cp target/deploy/matching_engine.so ts/tests/artifacts/testnet_matching_engine.so
+            - name: Copy Testnet Token Router Object
+              run: cp target/deploy/token_router.so ts/tests/artifacts/testnet_token_router.so
+            - name: Copy Upgrade Manager Object 
+              run: cp target/deploy/upgrade_manager.so ts/tests/artifacts/testnet_upgrade_manager.so
+            - name: anchor build --arch sbf -- --features integration-test
+              run: anchor build --arch sbf -- --features integration-test
+            - name: anchor test --skip-build
+              run: anchor test --skip-build