Merge pull request #184 from Consensys/fix/target-mimcHash-bytes32

fix: target type to bytes32 instead of bytes to adapt to new mimc hash
Consensys · Jul 5, 2024 · 68f4e80 · 68f4e80
2 parents e61c515 + fd7758a
commit 68f4e80
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/packages/l1-contracts/contracts/linea-verifier/LineaProofHelper.sol b/packages/l1-contracts/contracts/linea-verifier/LineaProofHelper.sol
@@ -138,9 +138,7 @@ library LineaProofHelper {
         bytes32 stateRoot
     ) private pure returns (bool) {
         // Verify the target contract first against the account proof's last leaf node's hkey
-        bytes32 targetHash = SparseMerkleProof.mimcHash(
-            abi.encodePacked(target)
-        );
+        bytes32 targetHash = SparseMerkleProof.mimcHash(abi.encode(target));
         SparseMerkleProof.Leaf memory accountLeaf = SparseMerkleProof.getLeaf(
             accountProof.proof.proofRelatedNodes[LAST_LEAF_INDEX]
         );