Merge pull request #909 from morpho-org/old-foundry

test and compare bytecode with an old foundry

Author: MathisGD

.github/workflows/forge-old.yml

@@ -0,0 +1,58 @@
+name: forge-old
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  compare-bytecode:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Install Foundry (old)
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: v1.5.1
+      - name: Verify forge executable hash
+        env:
+          EXPECTED_FORGE_SHA256: a39fc1913b53dde6a35b603756f65d799e13817ef694107ec0d3704c20435cce
+        run: |
+          forge_path="$(which forge)"
+          echo "forge path: $forge_path"
+          actual="$(sha256sum "$forge_path" | awk '{print $1}')"
+          echo "actual:   $actual"
+          echo "expected: $EXPECTED_FORGE_SHA256"
+          [ "$actual" = "$EXPECTED_FORGE_SHA256" ] || { echo "forge hash mismatch"; exit 1; }
+      - name: Build with Foundry (old)
+        run: forge build --force
+      - name: Export bytecode manifest (old)
+        run: |
+          mkdir -p compare
+          find out -name '*.json' -not -path '*/build-info/*' -not -path '*Test.sol/*' -print0 | sort -z | while IFS= read -r -d '' file; do
+            rel="${file#out/}"
+            jq -r --arg rel "$rel" '[$rel, (.bytecode.object // ""), (.deployedBytecode.object // "")] | @tsv' "$file"
+          done > compare/old.tsv
+          [ -s compare/old.tsv ] || { echo "old manifest is empty"; exit 1; }
+      - name: Run Forge tests
+        run: forge test
+      - name: Install Foundry (latest nightly)
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+      - name: Build with Foundry (latest nightly)
+        run: forge build --force --out out-new --cache-path cache-new
+      - name: Export bytecode manifest (new)
+        run: |
+          find out-new -name '*.json' -not -path '*/build-info/*' -not -path '*Test.sol/*' -print0 | sort -z | while IFS= read -r -d '' file; do
+            rel="${file#out-new/}"
+            jq -r --arg rel "$rel" '[$rel, (.bytecode.object // ""), (.deployedBytecode.object // "")] | @tsv' "$file"
+          done > compare/new.tsv
+          [ -s compare/new.tsv ] || { echo "new manifest is empty"; exit 1; }
+      - name: Compare bytecode
+        run: diff -u compare/old.tsv compare/new.tsv