fdusd adapter for bnb

bgd-labs · Mar 6, 2024 · bce98df · bce98df
1 parent 5071736
commit bce98df
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Showing 2 changed files with 24 additions and 3 deletions.
diff --git a/scripts/DeployBnb.s.sol b/scripts/DeployBnb.s.sol
@@ -28,14 +28,29 @@ 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 {
   function _deploy() internal returns (address) {
     AaveV3BnbPayload.Adapters memory adapters;
 
-    adapters.usdtAdapter = GovV3Helpers.deployDeterministic(CapAdaptersCodeBnb.USDT_ADAPTER_CODE);
-    adapters.usdcAdapter = GovV3Helpers.deployDeterministic(CapAdaptersCodeBnb.USDC_ADAPTER_CODE);
+    adapters.usdtAdapter = GovV3Helpers.predictDeterministicAddress(
+      CapAdaptersCodeBnb.USDT_ADAPTER_CODE
+    );
+    adapters.usdcAdapter = GovV3Helpers.predictDeterministicAddress(
+      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[1].asset = AaveV3BNBAssets.FDUSD_UNDERLYING;
+    updates[1].priceFeed = FDUSD_ADAPTER;
+
     return updates;
   }
 }