feat: extend listing generator with emission admin (#476)

* feat: extend listing generator with emission admin

* Update generator/features/assetListing.ts

Co-authored-by: Harsh Pandey <[email protected]>

* update snapshot tests

---------

Co-authored-by: Harsh Pandey <[email protected]>

generator/features/__snapshots__/assetListing.spec.ts.snap

@@ -571,12 +571,14 @@ exports[`feature: assetListing > should return reasonable code 1`] = `
   },
   "code": {
     "constants": [
-      "address public constant PSP = 0xcAfE001067cDEF266AfB7Eb5A286dCFD277f3dE5;",
-      "uint256 public constant PSP_SEED_AMOUNT = 1e18;",
+      "address public constant PSP = 0xcAfE001067cDEF266AfB7Eb5A286dCFD277f3dE5;
+uint256 public constant PSP_SEED_AMOUNT = 1e18;
+",
     ],
     "execute": [
       "IERC20(PSP).forceApprove(address(AaveV3Ethereum.POOL), PSP_SEED_AMOUNT);
-            AaveV3Ethereum.POOL.supply(PSP, PSP_SEED_AMOUNT, address(AaveV3Ethereum.COLLECTOR), 0);",
+AaveV3Ethereum.POOL.supply(PSP, PSP_SEED_AMOUNT, address(AaveV3Ethereum.COLLECTOR), 0);
+",
     ],
     "fn": [
       "function newListings() public pure override returns (IAaveV3ConfigEngine.Listing[] memory) {
@@ -618,7 +620,8 @@ exports[`feature: assetListing > should return reasonable code 1`] = `
             GovV3Helpers.executePayload(vm,address(proposal));
             (address aTokenAddress, , ) = AaveV3Ethereum.AAVE_PROTOCOL_DATA_PROVIDER.getReserveTokensAddresses(proposal.PSP());
             assertGe(IERC20(aTokenAddress).balanceOf(address(AaveV3Ethereum.COLLECTOR)), 10 ** 18);
-          }",
+          }
+",
     ],
   },
 }

generator/features/assetListing.ts

@@ -5,8 +5,8 @@ import {fetchRateStrategyParamsV3} from './rateUpdates';
 import {fetchCollateralUpdate} from './collateralsUpdates';
 import {fetchCapsUpdate} from './capsUpdates';
 import {Listing, ListingWithCustomImpl, TokenImplementations} from './types';
-import {CHAIN_TO_CHAIN_ID, getPoolChain} from '../common';
-import {getContract} from 'viem';
+import {CHAIN_TO_CHAIN_ID, getPoolChain, getExplorerLink} from '../common';
+import {getContract, isAddress} from 'viem';
 import {confirm} from '@inquirer/prompts';
 import {TEST_EXECUTE_PROPOSAL} from '../utils/constants';
 import {addressPrompt, translateJsAddressToSol} from '../prompts/addressPrompt';
@@ -79,6 +79,7 @@ async function fetchListing(pool: PoolIdentifier): Promise<Listing> {
       pool,
     }),
     asset,
+    admin: await addressPrompt({message: 'Emission admin address (optional)', required: false}),
   };
 }
 
@@ -134,17 +135,24 @@ export const assetListing: FeatureModule<Listing[]> = {
   build({pool, cfg}) {
     const response: CodeArtifact = {
       code: {
-        constants: cfg
-          .map((cfg) => [
-            `address public constant ${cfg.assetSymbol} = ${translateJsAddressToSol(cfg.asset)};`,
-            `uint256 public constant ${cfg.assetSymbol}_SEED_AMOUNT = 1e${cfg.decimals};`,
-          ])
-          .flat(),
-        execute: cfg.map(
-          (cfg) =>
-            `IERC20(${cfg.assetSymbol}).forceApprove(address(${pool}.POOL), ${cfg.assetSymbol}_SEED_AMOUNT);
-            ${pool}.POOL.supply(${cfg.assetSymbol}, ${cfg.assetSymbol}_SEED_AMOUNT, address(${pool}.COLLECTOR), 0);`,
-        ),
+        constants: cfg.map((cfg) => {
+          let listingConstant = `address public constant ${cfg.assetSymbol} = ${translateJsAddressToSol(cfg.asset)};\n`;
+          listingConstant += `uint256 public constant ${cfg.assetSymbol}_SEED_AMOUNT = 1e${cfg.decimals};\n`;
+          if (isAddress(cfg.admin)) {
+            listingConstant += `address public constant ${cfg.assetSymbol}_LM_ADMIN = ${translateJsAddressToSol(cfg.admin)};\n`;
+          }
+          return listingConstant;
+        }),
+        execute: cfg.map((cfg) => {
+          let listingExe = `IERC20(${cfg.assetSymbol}).forceApprove(address(${pool}.POOL), ${cfg.assetSymbol}_SEED_AMOUNT);\n`;
+          listingExe += `${pool}.POOL.supply(${cfg.assetSymbol}, ${cfg.assetSymbol}_SEED_AMOUNT, address(${pool}.COLLECTOR), 0);\n`;
+          if (isAddress(cfg.admin)) {
+            listingExe += `\n(address a${cfg.assetSymbol}, , ) = ${pool}.AAVE_PROTOCOL_DATA_PROVIDER.getReserveTokensAddresses(${cfg.assetSymbol});\n`;
+            listingExe += `IEmissionManager(${pool}.EMISSION_MANAGER).setEmissionAdmin(${cfg.assetSymbol}, ${cfg.assetSymbol}_ADMIN);\n`;
+            listingExe += `IEmissionManager(${pool}.EMISSION_MANAGER).setEmissionAdmin(a${cfg.assetSymbol}, ${cfg.assetSymbol}_ADMIN);\n`;
+          }
+          return listingExe;
+        }),
         fn: [
           `function newListings() public pure override returns (IAaveV3ConfigEngine.Listing[] memory) {
           IAaveV3ConfigEngine.Listing[] memory listings = new IAaveV3ConfigEngine.Listing[](${
@@ -164,13 +172,22 @@ export const assetListing: FeatureModule<Listing[]> = {
         ],
       },
       test: {
-        fn: cfg.map(
-          (cfg) => `function test_collectorHas${cfg.assetSymbol}Funds() public {
+        fn: cfg.map((cfg) => {
+          let listingTest = `function test_collectorHas${cfg.assetSymbol}Funds() public {
             ${TEST_EXECUTE_PROPOSAL}
             (address aTokenAddress, , ) = ${pool}.AAVE_PROTOCOL_DATA_PROVIDER.getReserveTokensAddresses(proposal.${cfg.assetSymbol}());
             assertGe(IERC20(aTokenAddress).balanceOf(address(${pool}.COLLECTOR)), 10 ** ${cfg.decimals});
-          }`,
-        ),
+          }\n`;
+          if (isAddress(cfg.admin)) {
+            listingTest += `\nfunction test_${cfg.assetSymbol}Admin() public {
+	      ${TEST_EXECUTE_PROPOSAL}
+              (address a${cfg.assetSymbol}, , ) = ${pool}.AAVE_PROTOCOL_DATA_PROVIDER.getReserveTokensAddresses(proposal.${cfg.assetSymbol}());
+	      assertEq(IEmissionManager(${pool}.EMISSION_MANAGER).getEmissionAdmin(proposal.${cfg.assetSymbol}()), proposal.${cfg.assetSymbol}_ADMIN());
+	      assertEq(IEmissionManager(${pool}.EMISSION_MANAGER).getEmissionAdmin(a${cfg.assetSymbol}), proposal.${cfg.assetSymbol}_ADMIN());
+	    }\n`;
+          }
+          return listingTest;
+        }),
       },
       aip: {
         specification: cfg.map((cfg) => {
@@ -215,6 +232,9 @@ export const assetListing: FeatureModule<Listing[]> = {
           listingTemplate += `| Siloed Borrowing	| ${cfg.withSiloedBorrowing} |\n`;
           listingTemplate += `| Borrowable in Isolation | ${cfg.borrowableInIsolation} |\n`;
           listingTemplate += `| Oracle | ${cfg.priceFeed} |\n`;
+          if (isAddress(cfg.admin)) {
+            listingTemplate += `\nAdditionaly [${cfg.admin}](${getExplorerLink(CHAIN_TO_CHAIN_ID[getPoolChain(pool)], cfg.admin)}) has been set as the emission admin for ${cfg.assetSymbol} and the corresponding aToken.\n`;
+          }
           return listingTemplate;
         }),
       },

generator/features/types.ts

@@ -88,6 +88,7 @@ export interface Listing
   rateStrategyParams: RateStrategyParams;
   eModeCategory: string;
   decimals: number;
+  admin?: Hex | '';
 }
 
 export interface ListingWithCustomImpl {

generator/utils/importsResolver.ts

@@ -104,5 +104,6 @@ export function prefixWithImports(code: string) {
   if (findMatch(code, 'IEmissionManager')) {
     imports += `import {IEmissionManager} from 'aave-v3-periphery/contracts/rewards/interfaces/IEmissionManager.sol';\n`;
   }
+
   return imports + code;
 }