Feat/chainlink price feed

.github/workflows/test.yml

@@ -2,15 +2,11 @@ name: CI
 
 on:
   push:
+    branches: [main]
   pull_request:
-  workflow_dispatch:
-
-env:
-  FOUNDRY_PROFILE: ci
 
 jobs:
-  check:
-    name: Foundry project
+  test:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -19,22 +15,28 @@ jobs:
 
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: stable
 
-      - name: Show Forge version
+      - name: Print versions
         run: |
           forge --version
+          forge solc --version
 
-      - name: Run Forge fmt
-        run: |
-          forge fmt --check
-        id: fmt
+      - name: Build
+        run: forge build --sizes
 
-      - name: Run Forge build
-        run: |
-          forge build --sizes
-        id: build
+      - name: Run tests
+        run: forge test -vvv
 
-      - name: Run Forge tests
-        run: |
-          forge test -vvv
-        id: test
+    lint:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v4
+          with:
+            submodules: recursive
+
+        - uses: foundry-rs/foundry-toolchain@v1
+
+        - name: Check formatting
+          run: forge fmt --check

foundry.toml

@@ -6,7 +6,10 @@ libs = ["lib"]
 solc_version = '0.8.26'
 evm_versoin = 'cancun'
 optimizer_runs = 800
- via_ir = false
-ffi = true
+via_ir = false
+
+
+[profile.ci]
+ffi = false
 optimizer = true
 # See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

src/OscillonHook.sol

@@ -128,7 +128,7 @@ contract OscillonHook is BaseHook {
 
     // ── Depeg thresholds (bps) ────────────────────────────────────────────────
 
-    uint256 public constant SMALL_DEPEG_BPS = 7;
+    uint256 public constant SMALL_DEPEG_BPS = 5;
 
     // ── Timing ───────────────────────────────────────────────────────────────
 
@@ -241,7 +241,7 @@ contract OscillonHook is BaseHook {
         address oracle1,
         uint8 stableDecimals0,
         uint8 stableDecimals1
-    ) external {
+    ) external onlyOwner {
         // [CHANGE 9] Stable-only enforcement via tick spacing
         if (key.tickSpacing != 1) revert NotStablePool();
 
@@ -399,9 +399,7 @@ contract OscillonHook is BaseHook {
         if (nowTs == last.blockTimestamp) return; // dedupe within same second
 
         int56 delta = int56(uint56(nowTs - last.blockTimestamp));
-        int56 newCumulative = last.tickCumulative +
-            int56(currentTick) *
-            delta;
+        int56 newCumulative = last.tickCumulative + int56(currentTick) * delta;
 
         uint16 nextIdx = (lastIdx + 1) % OBS_CARDINALITY;
         observations[poolId][nextIdx] = Observation({
@@ -442,7 +440,6 @@ contract OscillonHook is BaseHook {
             bool pegBelow,
             bool usingFallback
         ) = _readDepegWithFallback(key, feed, dec);
-
         uint256 swapSize = params.amountSpecified < 0
             ? uint256(-params.amountSpecified)
             : uint256(params.amountSpecified);
@@ -649,7 +646,6 @@ contract OscillonHook is BaseHook {
             uint256 updatedAt,
             uint80 answeredInRound
         ) = IAggregatorV3Interface(oracle).latestRoundData();
-
         if (answer <= 0) revert OracleAnswerInvalid();
         if (answeredInRound < roundId)
             revert OracleRoundIncomplete(roundId, answeredInRound);