From ce56f341c7cd3e7f48418d0fdbffcd4d93df1645 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gr=C3=BCner?=
 <47506558+MegaRedHand@users.noreply.github.com>
Date: Thu, 5 Feb 2026 16:00:26 -0300
Subject: [PATCH 1/2] ci: add GHA and license linters

---
 .github/workflows/pr_lint_gha.yaml     | 29 ++++++++++++++++
 .github/workflows/pr_lint_license.yaml | 47 ++++++++++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 .github/workflows/pr_lint_gha.yaml
 create mode 100644 .github/workflows/pr_lint_license.yaml

diff --git a/.github/workflows/pr_lint_gha.yaml b/.github/workflows/pr_lint_gha.yaml
new file mode 100644
index 0000000..0c0ec0c
--- /dev/null
+++ b/.github/workflows/pr_lint_gha.yaml
@@ -0,0 +1,29 @@
+name: GitHub Actions
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: ["**"]
+    paths:
+      - ".github/**.yaml"
+      - ".github/**.yml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install actionlint
+        run: bash <(curl -s https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+
+      - name: Run actionlint
+        run: ./actionlint
diff --git a/.github/workflows/pr_lint_license.yaml b/.github/workflows/pr_lint_license.yaml
new file mode 100644
index 0000000..51cd60d
--- /dev/null
+++ b/.github/workflows/pr_lint_license.yaml
@@ -0,0 +1,47 @@
+name: Check License
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: ["**"]
+    paths:
+      - "**/Cargo.toml"
+      - "LICENSE*"
+      - ".github/workflows/pr_lint_license.yaml"
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  check-license:
+    name: Verify License
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Check LICENSE file exists
+        run: |
+          if [ ! -f LICENSE ]; then
+            echo "::error::LICENSE file is missing"
+            exit 1
+          fi
+          echo "License file present"
+
+      - name: Check all packages reference LICENSE
+        run: |
+          MISSING=$(cargo metadata --format-version 1 --no-deps 2>/dev/null | \
+            jq -r '.packages[] | select(.license != "LICENSE") | .name')
+
+          if [ -n "$MISSING" ]; then
+            echo "::error::The following packages do not reference 'LICENSE':"
+            echo "$MISSING"
+            echo ""
+            echo "Ensure each Cargo.toml has: license = \"LICENSE\""
+            exit 1
+          fi
+
+          echo "All packages correctly reference LICENSE file"

From eeb8f6e73eac376288b96d397bb4463e5c1e8316 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gr=C3=BCner?=
 <47506558+MegaRedHand@users.noreply.github.com>
Date: Thu, 5 Feb 2026 16:45:16 -0300
Subject: [PATCH 2/2] ci: fix GHA and license linters

---
 .github/workflows/pr_lint_gha.yaml | 2 +-
 bin/ethlambda/Cargo.toml           | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pr_lint_gha.yaml b/.github/workflows/pr_lint_gha.yaml
index 0c0ec0c..5d12ec8 100644
--- a/.github/workflows/pr_lint_gha.yaml
+++ b/.github/workflows/pr_lint_gha.yaml
@@ -26,4 +26,4 @@ jobs:
         run: bash <(curl -s https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
 
       - name: Run actionlint
-        run: ./actionlint
+        run: ./actionlint -ignore SC2086
diff --git a/bin/ethlambda/Cargo.toml b/bin/ethlambda/Cargo.toml
index ef20137..16eb517 100644
--- a/bin/ethlambda/Cargo.toml
+++ b/bin/ethlambda/Cargo.toml
@@ -3,6 +3,7 @@ name = "ethlambda"
 version.workspace = true
 edition.workspace = true
 authors.workspace = true
+license.workspace = true
 
 [dependencies]
 ethlambda-blockchain.workspace = true