feat: works with current L2 resolver (without ERC721)

packages/client/src/index.ts

@@ -43,6 +43,7 @@ const provider = new ethers.providers.JsonRpcProvider(l1_provider_url, {
   const name = program.args[0];
   console.log("name", name);
   const resolverFound = await provider.getResolver(name);
+  console.log("resolverFound address", resolverFound?.address);
   const node = namehash.hash(name);
   console.log("node", node);
 

packages/contracts/contracts/l1/LineaResolverStub.sol

@@ -6,16 +6,14 @@ import { Lib_SecureMerkleTrie } from "@eth-optimism/contracts/libraries/trie/Lib
 import { Lib_RLPReader } from "@eth-optimism/contracts/libraries/rlp/Lib_RLPReader.sol";
 import { Lib_BytesUtils } from "@eth-optimism/contracts/libraries/utils/Lib_BytesUtils.sol";
 
+import "hardhat/console.sol";
+
 struct L2StateProof {
-  uint64 nodeIndex;
   bytes32 blockHash;
-  bytes sendRoot;
   bytes encodedBlockArray;
   bytes stateTrieWitness;
   bytes32 stateRoot;
   bytes storageTrieWitness;
-  bytes node;
-  bytes result;
 }
 
 interface IResolverService {
@@ -84,7 +82,7 @@ contract LineaResolverStub is IExtendedResolver, SupportsInterface {
       gateways,
       callData,
       LineaResolverStub.resolveWithProof.selector,
-      abi.encode(name)
+      data
     );
   }
 
@@ -95,18 +93,28 @@ contract LineaResolverStub is IExtendedResolver, SupportsInterface {
     bytes calldata response,
     bytes calldata extraData
   ) external view returns (bytes memory) {
+    // We only resolve if the addr(bytes32) is called otherwise we simply return an empty response
+    bytes4 signature = bytes4(extraData[0:4]);
+    if (signature != bytes4(0x3b3b57de)) {
+      return abi.encode("");
+    }
+
+    // This is the hash name of the domain name
+    bytes32 node = abi.decode(extraData[4:], (bytes32));
+
     L2StateProof memory proof = abi.decode(response, (L2StateProof));
     // bytes32 node = abi.decode(extraData, (bytes32));
     // step 2: check blockHash against encoded block array
     require(
       proof.blockHash == keccak256(proof.encodedBlockArray),
       "blockHash encodedBlockArray mismatch"
     );
+
     // step 3: check storage value from derived value
     // Here the node used should be in extra data but we need to find a way
     // to convert extra data to an ens hashname in solidity, in the meantime we use
     // the node sent by the gateway
-    bytes32 slot = keccak256(abi.encodePacked(proof.node, uint256(1)));
+    bytes32 slot = keccak256(abi.encodePacked(node, uint256(1)));
     bytes32 value = getStorageValue(
       l2resolver,
       slot,
@@ -115,12 +123,7 @@ contract LineaResolverStub is IExtendedResolver, SupportsInterface {
       proof.storageTrieWitness
     );
 
-    require(
-      keccak256(proof.result) == keccak256(abi.encode(value)),
-      "LineaResolverStub: value different from expected result"
-    );
-
-    return proof.result;
+    return abi.encode(value);
   }
 
   function getl2Resolver() external view returns (address) {

packages/gateway/src/index.ts

@@ -1,14 +1,10 @@
 import { Server } from "@chainlink/ccip-read-server";
 import { Command } from "commander";
-import { ethers, BytesLike } from "ethers";
+import { ethers } from "ethers";
 import { Result } from "ethers/lib/utils";
 
 const IResolverAbi = require("../../contracts/artifacts/contracts/l1/LineaResolverStub.sol/IResolverService.json")
   .abi;
-const IResolverL2Abi = require("../../contracts/artifacts/contracts/l2/LineaResolver.sol/LineaResolver.json")
-  .abi;
-import { abi as Resolver_abi } from "@ensdomains/ens-contracts/artifacts/contracts/resolvers/Resolver.sol/Resolver.json";
-const Resolver = new ethers.utils.Interface(Resolver_abi);
 const rollupAbi = require("../abi/rollup.json");
 const { BigNumber } = ethers;
 const program = new Command();
@@ -59,9 +55,9 @@ server.add(IResolverAbi, [
       console.log("name", name);
       const node = ethers.utils.namehash(name);
       console.log("node", node);
-      const addrSlot = ethers.utils.keccak256(node + "00".repeat(31) + "01");
 
       if (debug) {
+        const addrSlot = ethers.utils.keccak256(node + "00".repeat(31) + "01");
         const to = request?.to;
         console.log(1, {
           node,
@@ -88,7 +84,6 @@ server.add(IResolverAbi, [
       }
 
       const lastBlockFinalized = await rollup.lastFinalizedBatchHeight();
-      const stateRootHash = await rollup.stateRootHash();
       const blockNumber = lastBlockFinalized.toNumber();
       console.log(`Last block number finalized on L2 : ${blockNumber}`);
       const block = await l2provider.getBlock(blockNumber);
@@ -130,19 +125,12 @@ server.add(IResolverAbi, [
         (proof.storageProof as any[]).filter((x) => x.key === slot)[0].proof
       );
 
-      // Result that will returned to the client after verification of the proof
-      const { result } = await getResult(name, data);
-
       const finalProof = {
-        nodeIndex: blockNumber,
         blockHash,
-        sendRoot: stateRootHash,
         encodedBlockArray,
         stateTrieWitness: accountProof,
         stateRoot,
         storageTrieWitness: storageProof,
-        node,
-        result,
       };
       console.log(7, { finalProof });
       return [finalProof];
@@ -163,32 +151,3 @@ function decodeDnsName(dnsname: Buffer) {
   }
   return labels.join(".");
 }
-
-async function getResult(
-  name: string,
-  data: string
-): Promise<{ result: BytesLike }> {
-  // Parse the data nested inside the second argument to `resolve`
-  const { signature, args } = Resolver.parseTransaction({ data });
-  console.log("signature", signature);
-
-  if (ethers.utils.nameprep(name) !== name) {
-    throw new Error("Name must be normalised");
-  }
-
-  if (ethers.utils.namehash(name) !== args[0]) {
-    throw new Error("Name does not match namehash");
-  }
-
-  const resolverL2 = await new ethers.Contract(
-    l2_resolver_address,
-    IResolverL2Abi,
-    l2provider
-  );
-  const node = ethers.utils.namehash(name);
-  const result = await resolverL2.addr(node);
-
-  return {
-    result: Resolver.encodeFunctionResult(signature, [result]),
-  };
-}