diff --git a/da-contracts/contracts/da-layers/eigenda/EigenDAL1Validator.sol b/da-contracts/contracts/da-layers/eigenda/EigenDAL1Validator.sol
index 6d8c5e923..849733b2d 100644
--- a/da-contracts/contracts/da-layers/eigenda/EigenDAL1Validator.sol
+++ b/da-contracts/contracts/da-layers/eigenda/EigenDAL1Validator.sol
@@ -3,6 +3,8 @@
 pragma solidity 0.8.24;
 
 import {IL1DAValidator, L1DAValidatorOutput} from "../../IL1DAValidator.sol";
+import {ValL1DAWrongInputLength} from "../../DAContractsErrors.sol";
+
 
 contract EigenDAL1Validator is IL1DAValidator {
     function checkDA(
@@ -13,9 +15,14 @@ contract EigenDAL1Validator is IL1DAValidator {
         uint256 maxBlobsSupported
     ) external override returns (L1DAValidatorOutput memory output) {
         // TODO: Implement real validation logic.
-        output.stateDiffHash = bytes32(0);
+        // For Validiums, we expect the operator to just provide the data for us.
+        // We don't need to do any checks with regard to the l2DAValidatorOutputHash.
+        if (_operatorDAInput.length < 32) {
+            revert ValL1DAWrongInputLength(_operatorDAInput.length, 32);
+        }
+        bytes32 stateDiffHash = abi.decode(_operatorDAInput[:32], (bytes32));
 
-        output.blobsLinearHashes = new bytes32[](0);
-        output.blobsOpeningCommitments = new bytes32[](0);
+        output.blobsLinearHashes = new bytes32[](maxBlobsSupported);
+        output.blobsOpeningCommitments = new bytes32[](maxBlobsSupported);
     }
 }