Correct syn pinning on cargo 1.48

.github/workflows/build.yml

@@ -22,7 +22,6 @@ jobs:
         include:
           - toolchain: stable
             platform: ubuntu-latest
-            coverage: true
           # 1.48.0 is the MSRV for all crates except lightning-transaction-sync and Win/Mac
           - toolchain: 1.48.0
             platform: ubuntu-latest
@@ -50,46 +49,31 @@ jobs:
         run: |
           sudo apt-get -y install shellcheck
           shellcheck ci/ci-tests.sh
-      - name: Run CI script with coverage generation
-        if: matrix.coverage
-        shell: bash # Default on Winblows is powershell
-        run: LDK_COVERAGE_BUILD=true ./ci/ci-tests.sh
       - name: Run CI script
-        if: "!matrix.coverage"
         shell: bash # Default on Winblows is powershell
         run: ./ci/ci-tests.sh
-      - name: Install deps for kcov
-        if: matrix.coverage
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install binutils-dev libcurl4-openssl-dev zlib1g-dev libdw-dev libiberty-dev
-      - name: Install kcov
-        if: matrix.coverage
-        run: |
-          wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz
-          tar xzf master.tar.gz
-          cd kcov-master && mkdir build && cd build
-          cmake ..
-          make
-          make install DESTDIR=../../kcov-build
-          cd ../.. && rm -rf kcov-master master.tar.gz
-      - name: Generate coverage report
-        if: matrix.coverage
-        run: |
-          for file in target/debug/deps/lightning*; do
-            [ -x "${file}" ] || continue;
-            mkdir -p "target/cov/$(basename $file)";
-            ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file";
-          done
-      - name: Upload coverage
-        if: matrix.coverage
-        uses: codecov/codecov-action@v3
+
+  coverage:
+    strategy:
+      fail-fast: false
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v3
         with:
+          fetch-depth: 0
+      - name: Install Rust stable toolchain
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile=minimal
+      - name: Run tests with coverage generation
+        run: |
+          cargo install cargo-llvm-cov
+          export RUSTFLAGS="-Clink-dead-code -Coverflow-checks=off"
+          cargo llvm-cov --features rest-client,rpc-client,tokio,futures,serde --codecov --hide-instantiations --output-path=target/codecov.json
           # Could you use this to fake the coverage report for your PR? Sure.
           # Will anyone be impressed by your amazing coverage? No
           # Maybe if codecov wasn't broken we wouldn't need to do this...
-          token: f421b687-4dc2-4387-ac3d-dc3b2528af57
-          fail_ci_if_error: true
+          bash <(curl -s https://codecov.io/bash) -f target/codecov.json -t "f421b687-4dc2-4387-ac3d-dc3b2528af57"
 
   benchmark:
     runs-on: ubuntu-latest

ci/ci-tests.sh

@@ -30,43 +30,44 @@ PIN_RELEASE_DEPS # pin the release dependencies in our main workspace
 [ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p quote --precise "1.0.30" --verbose
 
 # The syn crate depends on too-new proc-macro2 starting with v2.0.33, i.e., has MSRV of 1.56
-[ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p syn:2.0.33 --precise "2.0.32" --verbose
+if [ "$RUSTC_MINOR_VERSION" -lt 56 ]; then
+	SYN_2_DEP=$(grep -o '"syn 2.*' Cargo.lock | tr -d '",' | tr ' ' ':')
+	cargo update -p "$SYN_2_DEP" --precise "2.0.32" --verbose
+fi
 
 # The proc-macro2 crate switched to Rust edition 2021 starting with v1.0.66, i.e., has MSRV of 1.56
 [ "$RUSTC_MINOR_VERSION" -lt 56 ] && cargo update -p proc-macro2 --precise "1.0.65" --verbose
 
 # The memchr crate switched to an MSRV of 1.60 starting with v2.6.0
 [ "$RUSTC_MINOR_VERSION" -lt 60 ] && cargo update -p memchr --precise "2.5.0" --verbose
 
-[ "$LDK_COVERAGE_BUILD" != "" ] && export RUSTFLAGS="-C link-dead-code"
-
 export RUST_BACKTRACE=1
 
 echo -e "\n\nBuilding and testing all workspace crates..."
 cargo test --verbose --color always
-cargo build --verbose --color always
+cargo check --verbose --color always
 
 echo -e "\n\nBuilding and testing Block Sync Clients with features"
 pushd lightning-block-sync
 cargo test --verbose --color always --features rest-client
-cargo build --verbose --color always --features rest-client
+cargo check --verbose --color always --features rest-client
 cargo test --verbose --color always --features rpc-client
-cargo build --verbose --color always --features rpc-client
+cargo check --verbose --color always --features rpc-client
 cargo test --verbose --color always --features rpc-client,rest-client
-cargo build --verbose --color always --features rpc-client,rest-client
+cargo check --verbose --color always --features rpc-client,rest-client
 cargo test --verbose --color always --features rpc-client,rest-client,tokio
-cargo build --verbose --color always --features rpc-client,rest-client,tokio
+cargo check --verbose --color always --features rpc-client,rest-client,tokio
 popd
 
 if [[ $RUSTC_MINOR_VERSION -gt 67 && "$HOST_PLATFORM" != *windows* ]]; then
 	echo -e "\n\nBuilding and testing Transaction Sync Clients with features"
 	pushd lightning-transaction-sync
 	cargo test --verbose --color always --features esplora-blocking
-	cargo build --verbose --color always --features esplora-blocking
+	cargo check --verbose --color always --features esplora-blocking
 	cargo test --verbose --color always --features esplora-async
-	cargo build --verbose --color always --features esplora-async
+	cargo check --verbose --color always --features esplora-async
 	cargo test --verbose --color always --features esplora-async-https
-	cargo build --verbose --color always --features esplora-async-https
+	cargo check --verbose --color always --features esplora-async-https
 	popd
 fi
 
@@ -92,7 +93,7 @@ fi
 echo -e "\n\nBuilding with all Log-Limiting features"
 pushd lightning
 grep '^max_level_' Cargo.toml | awk '{ print $1 }'| while read -r FEATURE; do
-	cargo build --verbose --color always --features "$FEATURE"
+	cargo check --verbose --color always --features "$FEATURE"
 done
 popd