Add Certora specs + configure CI for tests and Certora

.github/workflows/certora.yml

@@ -0,0 +1,45 @@
+name: Certora
+
+on: [push, pull_request]
+
+jobs:
+  certora:
+    name: Certora
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        vote-delegate:
+          - vote-delegate
+          - vote-delegate-factory
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - uses: actions/setup-java@v2
+        with:
+          distribution: 'zulu'
+          java-version: '11'
+          java-package: jre
+
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v3
+        with:
+          python-version: 3.8
+
+      - name: Install solc-select
+        run: pip3 install solc-select
+
+      - name: Solc Select 0.8.21
+        run: solc-select install 0.8.21
+
+      - name: Install Certora
+        run: pip3 install certora-cli-beta
+
+      - name: Verify ${{ matrix.vote-delegate }}
+        run: make certora-${{ matrix.vote-delegate }} results=1
+        env:
+          CERTORAKEY: ${{ secrets.CERTORAKEY }}

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: test
+
+on: [push, pull_request]
+
+env:
+  FOUNDRY_PROFILE: ci
+
+jobs:
+  check:
+    strategy:
+      fail-fast: true
+
+    name: Foundry project
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: nightly
+
+      - name: Run Forge build
+        run: |
+          forge --version
+          forge build --sizes
+        id: build
+
+      - name: Run Forge tests
+        run: |
+          forge test -vvv
+        id: test
+        env:
+          ETH_RPC_URL: ${{ secrets.ETH_RPC_URL }}

.gitignore

@@ -1,2 +1,5 @@
 /out
 /cache
+
+# Certora
+.certora_internal

Makefile

@@ -0,0 +1,3 @@
+PATH := ~/.solc-select/artifacts/solc-0.8.21:$(PATH)
+certora-vote-delegate 		  :; PATH=${PATH} certoraRun certora/VoteDelegate.conf$(if $(rule), --rule $(rule),)$(if $(results), --wait_for_results all,)
+certora-vote-delegate-factory :; PATH=${PATH} certoraRun certora/VoteDelegateFactory.conf$(if $(rule), --rule $(rule),)$(if $(results), --wait_for_results all,)

certora/VoteDelegate.conf

@@ -0,0 +1,37 @@
+{
+    "files": [
+        "src/VoteDelegate.sol",
+        "certora/harness/GovMock.sol",
+        "certora/harness/IouMock.sol",
+        "certora/harness/ChiefMock.sol",
+        "certora/harness/PollingMock.sol"
+    ],
+    "solc_map": {
+        "VoteDelegate": "solc-0.8.21",
+        "GovMock": "solc-0.8.21",
+        "IouMock": "solc-0.8.21",
+        "ChiefMock": "solc-0.8.21",
+        "PollingMock": "solc-0.8.21"
+    },
+    "solc_optimize_map": {
+        "VoteDelegate": "200",
+        "GovMock": "200",
+        "IouMock": "200",
+        "ChiefMock": "200",
+        "PollingMock": "200"
+    },
+    "link": [
+        "VoteDelegate:gov=GovMock",
+        "VoteDelegate:chief=ChiefMock",
+        "VoteDelegate:polling=PollingMock",
+        "ChiefMock:GOV=GovMock",
+        "ChiefMock:IOU=IouMock"
+    ],
+    "verify": "VoteDelegate:certora/VoteDelegate.spec",
+    "rule_sanity": "basic",
+    "optimistic_loop": true,
+    "multi_assert_check": true,
+    "parametric_contracts": ["VoteDelegate"],
+    "build_cache": true,
+    "msg": "VoteDelegate"
+}