Merge pull request #15 from bgd-labs/feat/bnb-fdusd

feat: fdusd adapter for bnb
bgd-labs · Mar 6, 2024 · dd5e53e · dd5e53e
2 parents 5071736 + c40297f
commit dd5e53e
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Showing 5 changed files with 27 additions and 1 deletion.
diff --git a/certora/CAPO report.pdf b/certora/CAPO report.pdf
diff --git a/scripts/DeployBnb.s.sol b/scripts/DeployBnb.s.sol
@@ -28,6 +28,16 @@ library CapAdaptersCodeBnb {
         int256(1.04 * 1e8)
       )
     );
+  bytes public constant FDUSD_ADAPTER_CODE =
+    abi.encodePacked(
+      type(PriceCapAdapterStable).creationCode,
+      abi.encode(
+        AaveV3BNB.ACL_MANAGER,
+        AaveV3BNBAssets.FDUSD_ORACLE,
+        'Capped fdUSD/USD',
+        int256(1.04 * 1e8)
+      )
+    );
 }
 
 contract DeployBnbAdaptersAndPayload {
@@ -36,6 +46,7 @@ contract DeployBnbAdaptersAndPayload {
 
     adapters.usdtAdapter = GovV3Helpers.deployDeterministic(CapAdaptersCodeBnb.USDT_ADAPTER_CODE);
     adapters.usdcAdapter = GovV3Helpers.deployDeterministic(CapAdaptersCodeBnb.USDC_ADAPTER_CODE);
+    adapters.fdusdAdapter = GovV3Helpers.deployDeterministic(CapAdaptersCodeBnb.FDUSD_ADAPTER_CODE);
 
     return
       GovV3Helpers.deployDeterministic(

diff --git a/src/contracts/payloads/AaveV3BnbPayload.sol b/src/contracts/payloads/AaveV3BnbPayload.sol
@@ -8,24 +8,30 @@ contract AaveV3BnbPayload is AaveV3PayloadBnb {
   struct Adapters {
     address usdtAdapter;
     address usdcAdapter;
+    address fdusdAdapter;
   }
 
   address public immutable USDT_ADAPTER;
   address public immutable USDC_ADAPTER;
+  address public immutable FDUSD_ADAPTER;
 
   constructor(Adapters memory adapters) {
     USDT_ADAPTER = adapters.usdtAdapter;
     USDC_ADAPTER = adapters.usdcAdapter;
+    FDUSD_ADAPTER = adapters.fdusdAdapter;
   }
 
   function priceFeedsUpdates() public view override returns (IEngine.PriceFeedUpdate[] memory) {
-    IEngine.PriceFeedUpdate[] memory updates = new IEngine.PriceFeedUpdate[](2);
+    IEngine.PriceFeedUpdate[] memory updates = new IEngine.PriceFeedUpdate[](3);
     updates[0].asset = AaveV3BNBAssets.USDT_UNDERLYING;
     updates[0].priceFeed = USDT_ADAPTER;
 
     updates[1].asset = AaveV3BNBAssets.USDC_UNDERLYING;
     updates[1].priceFeed = USDC_ADAPTER;
 
+    updates[2].asset = AaveV3BNBAssets.FDUSD_UNDERLYING;
+    updates[2].priceFeed = FDUSD_ADAPTER;
+
     return updates;
   }
 }
diff --git a/tests/BaseTest.sol b/tests/BaseTest.sol
@@ -169,9 +169,11 @@ abstract contract BaseTest is Test {
   ) public {
     vm.assume(baseAggregatorAddress != 0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f);
     vm.assume(baseAggregatorAddress != 0x7109709ECfa91a80626fF3989D68f67F5b1DD12D);
+    vm.assume(baseAggregatorAddress != 0x000000000000000000636F6e736F6c652e6c6f67);
 
     vm.assume(ratioProviderAddress != 0x5615dEB798BB3E4dFa0139dFa1b3D433Cc23b72f);
     vm.assume(ratioProviderAddress != 0x7109709ECfa91a80626fF3989D68f67F5b1DD12D);
+    vm.assume(ratioProviderAddress != 0x000000000000000000636F6e736F6c652e6c6f67);
 
     vm.assume(address(aclManager) != address(0) && baseAggregatorAddress != address(0));
     vm.assume(snapshotRatio > 0);

diff --git a/tests/payloads/AaveV3BnbPayloadTest.t.sol b/tests/payloads/AaveV3BnbPayloadTest.t.sol
@@ -21,6 +21,10 @@ contract AaveV3BnbPayloadTest is Test, DeployBnbAdaptersAndPayload {
       CapAdaptersCodeBnb.USDC_ADAPTER_CODE
     );
 
+    address fdusdPredicted = GovV3Helpers.predictDeterministicAddress(
+      CapAdaptersCodeBnb.FDUSD_ADAPTER_CODE
+    );
+
     address payload = _deploy();
 
     GovV3Helpers.executePayload(vm, payload);
@@ -30,5 +34,8 @@ contract AaveV3BnbPayloadTest is Test, DeployBnbAdaptersAndPayload {
 
     address usdcNew = AaveV3BNB.ORACLE.getSourceOfAsset(AaveV3BNBAssets.USDC_UNDERLYING);
     assertEq(usdcNew, usdcPredicted);
+
+    address fdusdNew = AaveV3BNB.ORACLE.getSourceOfAsset(AaveV3BNBAssets.FDUSD_UNDERLYING);
+    assertEq(fdusdNew, fdusdPredicted);
   }
 }