feat: add dust bin to deploy script

Author: sakulstra

src/contracts/misc/EmptyImplementation.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+/**
+ * @notice This contract is an intentionally empty implementation.
+ * It's to be used for proxies that should be initialized with zero functionality.
+ */
+contract EmptyImplementation {
+
+}

src/deployments/contracts/procedures/AaveV3TreasuryProcedure.sol

@@ -3,12 +3,15 @@ pragma solidity ^0.8.0;
 
 import {TransparentUpgradeableProxy} from 'openzeppelin-contracts/contracts/proxy/transparent/TransparentUpgradeableProxy.sol';
 import {Collector} from '../../../contracts/treasury/Collector.sol';
+import {EmptyImplementation} from '../../../contracts/misc/EmptyImplementation.sol';
 import '../../interfaces/IMarketReportTypes.sol';
 
 contract AaveV3TreasuryProcedure {
   struct TreasuryReport {
     address treasuryImplementation;
     address treasury;
+    address emptyImplementation;
+    address dustBin;
   }
 
   function _deployAaveV3Treasury(
@@ -29,6 +32,14 @@ contract AaveV3TreasuryProcedure {
           abi.encodeWithSelector(treasuryImplementation.initialize.selector, 100_000, poolAdmin)
         )
       );
+      treasuryReport.emptyImplementation = address(new EmptyImplementation{salt: salt}());
+      treasuryReport.dustBin = address(
+        new TransparentUpgradeableProxy{salt: salt}(
+          treasuryReport.emptyImplementation,
+          poolAdmin,
+          ''
+        )
+      );
     } else {
       Collector treasuryImplementation = new Collector();
       treasuryReport.treasuryImplementation = address(treasuryImplementation);
@@ -40,6 +51,10 @@ contract AaveV3TreasuryProcedure {
           abi.encodeWithSelector(treasuryImplementation.initialize.selector, 100_000, poolAdmin)
         )
       );
+      treasuryReport.emptyImplementation = address(new EmptyImplementation());
+      treasuryReport.dustBin = address(
+        new TransparentUpgradeableProxy(treasuryReport.emptyImplementation, poolAdmin, '')
+      );
     }
 
     return treasuryReport;

src/deployments/interfaces/IMarketReportTypes.sol

@@ -173,6 +173,8 @@ struct PeripheryReport {
   address emissionManager;
   address rewardsControllerImplementation;
   address revenueSplitter;
+  address emptyImplementation;
+  address dustBin;
 }
 
 struct ParaswapReport {

src/deployments/projects/aave-v3-batched/batches/AaveV3PeripheryBatch.sol

@@ -30,6 +30,9 @@ contract AaveV3PeripheryBatch is
 
       _report.treasury = treasuryReport.treasury;
       _report.treasuryImplementation = treasuryReport.treasuryImplementation;
+      // bin and treasury are shared per network, so skipping based on treasury not being zero is fine
+      _report.dustBin = treasuryReport.dustBin;
+      _report.emptyImplementation = treasuryReport.emptyImplementation;
     } else {
       _report.treasury = config.treasury;
     }