feat(light-client): Restrict lightClientUpdate function

beacon-light-client/solidity/contracts/bridge/src/interfaces/ILightClient.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.9;
+pragma solidity 0.8.20;
 
 interface ILightClient {
   struct LightClientUpdate {
@@ -32,5 +32,5 @@ interface ILightClient {
 
   function lightClientUpdate(
     LightClientUpdate calldata update
-  ) external payable;
+  ) external;
 }

beacon-light-client/solidity/contracts/bridge/src/truth/eth/BeaconLightClient.sol

@@ -1,12 +1,16 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.9;
+pragma solidity 0.8.20;
 
 import '../../utils/LightClientUpdateVerifier.sol';
 import '../../interfaces/ILightClient.sol';
+import '@openzeppelin/contracts/access/Ownable.sol';
 
 uint256 constant BUFER_SIZE = 32;
 
-contract BeaconLightClient is LightClientUpdateVerifier, ILightClient {
+contract BeaconLightClient is Ownable, LightClientUpdateVerifier, ILightClient {
+  error ProofVerificationFailed();
+  error InvalidAccessControll();
+
   bytes32[BUFER_SIZE] public optimisticHeaders;
 
   uint256[BUFER_SIZE] public optimisticSlots;
@@ -19,13 +23,15 @@ contract BeaconLightClient is LightClientUpdateVerifier, ILightClient {
 
   bytes32 domain;
 
+  address adapterAddress;
+
   constructor(
     bytes32 _optimisticHeaderRoot,
     uint256 _optimisticHeaderSlot,
     bytes32 _finalizedHeaderRoot,
     bytes32 _executionStateRoot,
     bytes32 _domain
-  ) {
+  ) Ownable(msg.sender) {
     currentIndex = 0;
 
     optimisticHeaders[currentIndex] = _optimisticHeaderRoot;
@@ -51,13 +57,17 @@ contract BeaconLightClient is LightClientUpdateVerifier, ILightClient {
     return executionStateRoots[currentIndex];
   }
 
-  // TODO: fix name to lightClientUpdate
-  function lightClientUpdate(LightClientUpdate calldata update)
-    external
-    payable
-  {
-    require(
-      verifyUpdate(
+  function changeAdapterAddress(address _adapterAddress) external onlyOwner {
+    adapterAddress = _adapterAddress;
+  }
+
+  function lightClientUpdate(LightClientUpdate calldata update) external {
+    if (msg.sender != adapterAddress && msg.sender != owner()) {
+      revert InvalidAccessControll();
+    }
+
+    if (
+      !verifyUpdate(
         update.a,
         update.b,
         update.c,
@@ -67,9 +77,10 @@ contract BeaconLightClient is LightClientUpdateVerifier, ILightClient {
         update.finalizedHeaderRoot,
         update.finalizedExecutionStateRoot,
         domain
-      ),
-      '!proof'
-    );
+      )
+    ) {
+      revert ProofVerificationFailed();
+    }
 
     currentIndex = (currentIndex + 1) % BUFER_SIZE;
 

beacon-light-client/solidity/contracts/bridge/src/utils/LightClientUpdateVerifier.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity 0.8.9;
+pragma solidity 0.8.20;
 
 import './Verifier.sol';
 

beacon-light-client/solidity/tasks/change-adapter-address.ts

@@ -0,0 +1,41 @@
+import { task } from 'hardhat/config';
+import { getGenericLogger } from '@dendreth/utils/ts-utils/logger';
+import Web3 from 'web3';
+import { publishTransaction } from '@dendreth/relay/implementations/publish_evm_transaction';
+
+const logger = getGenericLogger();
+
+task('change-adapter-address', 'Verify')
+  .addParam('lightClient', 'The address of the BeaconLightClient contract')
+  .addParam('adapter', 'The address of the adapter contract')
+  .addParam(
+    'transactionSpeed',
+    'The speed you want the transactions to be included in a block',
+    'avg',
+    undefined,
+    true,
+  )
+  .setAction(async (args, { network, ethers }) => {
+    const [publisher] = await ethers.getSigners();
+
+    logger.info(`Changing adapter with address ${publisher.address}`);
+
+    const lightClientContract = await ethers.getContractAt(
+      'BeaconLightClient',
+      args.lightClient,
+      publisher,
+    );
+
+    const web3 = new Web3((network.config as any).url);
+
+    await publishTransaction(
+      lightClientContract,
+      'changeAdapterAddress',
+      [args.adapter],
+      web3,
+      args.transactionSpeed,
+      true,
+    );
+
+    logger.info(`Adapter changed to ${args.adapter}`);
+  });