feat: add wstETH to locator

contracts/0.8.9/LidoLocator.sol

@@ -29,6 +29,7 @@ contract LidoLocator is ILidoLocator {
         address withdrawalVault;
         address oracleDaemonConfig;
         address accounting;
+        address wstETH;
     }
 
     error ZeroAddress();
@@ -48,6 +49,7 @@ contract LidoLocator is ILidoLocator {
     address public immutable withdrawalVault;
     address public immutable oracleDaemonConfig;
     address public immutable accounting;
+    address public immutable wstETH;
 
     /**
      * @notice declare service locations
@@ -70,6 +72,7 @@ contract LidoLocator is ILidoLocator {
         withdrawalVault = _assertNonZero(_config.withdrawalVault);
         oracleDaemonConfig = _assertNonZero(_config.oracleDaemonConfig);
         accounting = _assertNonZero(_config.accounting);
+        wstETH = _assertNonZero(_config.wstETH);
     }
 
     function coreComponents() external view returns(

contracts/common/interfaces/ILidoLocator.sol

@@ -21,6 +21,10 @@ interface ILidoLocator {
     function postTokenRebaseReceiver() external view returns(address);
     function oracleDaemonConfig() external view returns(address);
     function accounting() external view returns (address);
+    function wstETH() external view returns (address);
+
+    /// @notice Returns core Lido protocol component addresses in a single call
+    /// @dev This function provides a gas-efficient way to fetch multiple component addresses in a single call
     function coreComponents() external view returns(
         address elRewardsVault,
         address oracleReportSanityChecker,
@@ -29,6 +33,9 @@ interface ILidoLocator {
         address withdrawalQueue,
         address withdrawalVault
     );
+
+    /// @notice Returns addresses of components involved in processing oracle reports in the Lido contract
+    /// @dev This function provides a gas-efficient way to fetch multiple component addresses in a single call
     function oracleReportComponents() external view returns(
         address accountingOracle,
         address oracleReportSanityChecker,

globals.d.ts

@@ -39,6 +39,7 @@ declare namespace NodeJS {
     LOCAL_KERNEL_ADDRESS?: string;
     LOCAL_LEGACY_ORACLE_ADDRESS?: string;
     LOCAL_LIDO_ADDRESS?: string;
+    LOCAL_WSTETH_ADDRESS?: string;
     LOCAL_NOR_ADDRESS?: string;
     LOCAL_ORACLE_DAEMON_CONFIG_ADDRESS?: string;
     LOCAL_ORACLE_REPORT_SANITY_CHECKER_ADDRESS?: string;
@@ -64,6 +65,7 @@ declare namespace NodeJS {
     MAINNET_KERNEL_ADDRESS?: string;
     MAINNET_LEGACY_ORACLE_ADDRESS?: string;
     MAINNET_LIDO_ADDRESS?: string;
+    MAINNET_WSTETH_ADDRESS?: string;
     MAINNET_NOR_ADDRESS?: string;
     MAINNET_ORACLE_DAEMON_CONFIG_ADDRESS?: string;
     MAINNET_ORACLE_REPORT_SANITY_CHECKER_ADDRESS?: string;

lib/deploy.ts

@@ -256,6 +256,7 @@ async function getLocatorConfig(locatorAddress: string) {
     "withdrawalVault",
     "oracleDaemonConfig",
     "accounting",
+    "wstETH",
   ] as (keyof LidoLocator.ConfigStruct)[];
 
   const configPromises = addresses.map((name) => locator[name]());

lib/protocol/networks.ts

@@ -58,6 +58,7 @@ const defaultEnv = {
   withdrawalQueue: "WITHDRAWAL_QUEUE_ADDRESS",
   withdrawalVault: "WITHDRAWAL_VAULT_ADDRESS",
   oracleDaemonConfig: "ORACLE_DAEMON_CONFIG_ADDRESS",
+  wstETH: "WSTETH_ADDRESS",
   // aragon contracts
   kernel: "ARAGON_KERNEL_ADDRESS",
   acl: "ARAGON_ACL_ADDRESS",

scripts/scratch/steps/0090-deploy-non-aragon-contracts.ts

@@ -210,6 +210,7 @@ export async function main() {
     withdrawalVaultAddress,
     oracleDaemonConfig.address,
     accounting.address,
+    wstETH.address,
   ];
   await updateProxyImplementation(Sk.lidoLocator, "LidoLocator", locator.address, proxyContractsOwner, [locatorConfig]);
 }

test/0.8.9/contracts/LidoLocator__MockForSanityChecker.sol

@@ -23,6 +23,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
         address postTokenRebaseReceiver;
         address oracleDaemonConfig;
         address accounting;
+        address wstETH;
     }
 
     address public immutable lido;
@@ -40,6 +41,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
     address public immutable postTokenRebaseReceiver;
     address public immutable oracleDaemonConfig;
     address public immutable accounting;
+    address public immutable wstETH;
 
     constructor (
         ContractAddresses memory addresses
@@ -59,6 +61,7 @@ contract LidoLocator__MockForSanityChecker is ILidoLocator {
         postTokenRebaseReceiver = addresses.postTokenRebaseReceiver;
         oracleDaemonConfig = addresses.oracleDaemonConfig;
         accounting = addresses.accounting;
+        wstETH = addresses.wstETH;
     }
 
     function coreComponents() external view returns (address, address, address, address, address, address) {

test/0.8.9/lidoLocator.test.ts

@@ -21,6 +21,7 @@ const services = [
   "withdrawalVault",
   "oracleDaemonConfig",
   "accounting",
+  "wstETH",
 ] as const;
 
 type Service = ArrayToUnion<typeof services>;

test/0.8.9/sanityChecker/oracleReportSanityChecker.negative-rebase.test.ts

@@ -86,6 +86,7 @@ describe("OracleReportSanityChecker.sol:negative-rebase", () => {
         postTokenRebaseReceiver: deployer.address,
         oracleDaemonConfig: deployer.address,
         accounting: await accounting.getAddress(),
+        wstETH: deployer.address,
       },
     ]);
 

test/deploy/locator.ts

@@ -29,6 +29,7 @@ async function deployDummyLocator(config?: Partial<LidoLocator.ConfigStruct>, de
     withdrawalQueue: certainAddress("dummy-locator:withdrawalQueue"),
     withdrawalVault: certainAddress("dummy-locator:withdrawalVault"),
     accounting: certainAddress("dummy-locator:withdrawalVault"),
+    wstETH: certainAddress("dummy-locator:wstETH"),
     ...config,
   });
 
@@ -104,6 +105,7 @@ async function getLocatorConfig(locatorAddress: string) {
     "withdrawalVault",
     "oracleDaemonConfig",
     "accounting",
+    "wstETH",
   ] as Partial<keyof LidoLocator.ConfigStruct>[];
 
   const configPromises = addresses.map((name) => locator[name]());