diff --git a/contracts/core/base/WitOracleBaseTrustable.sol b/contracts/core/base/WitOracleBaseTrustable.sol
index 3197c5db..e0345fb9 100644
--- a/contracts/core/base/WitOracleBaseTrustable.sol
+++ b/contracts/core/base/WitOracleBaseTrustable.sol
@@ -170,16 +170,24 @@ abstract contract WitOracleBaseTrustable
         return hex"";
     }
 
-    function getQueryResponseStatus(uint256 queryId) virtual override external view returns (IWitOracleLegacy.QueryResponseStatus) {
-        // todo
+    function getQueryResponseStatus(uint256 queryId) virtual override public view returns (IWitOracleLegacy.QueryResponseStatus) {
+        return WitOracleDataLib.getQueryResponseStatus(
+            Witnet.QueryId.wrap(queryId)
+        );
     }
 
     function getQueryResultCborBytes(uint256 queryId) virtual override external view returns (bytes memory) {
-        // todo
+        return getQueryResponse(Witnet.QueryId.wrap(queryId)).resultCborBytes;
     }
 
     function getQueryResultError(uint256 queryId) virtual override external view returns (IWitOracleLegacy.ResultError memory) {
-        // todo
+        Witnet.DataResult memory _result = getQueryResult(
+            Witnet.QueryId.wrap(queryId)
+        );
+        return IWitOracleLegacy.ResultError({
+            code: uint8(_result.status),
+            reason: WitOracleResultStatusLib.toString(_result)
+        });
     }
 
     function postRequest(
diff --git a/contracts/libs/Witnet.sol b/contracts/libs/Witnet.sol
index 5fc26fc8..e16e7557 100644
--- a/contracts/libs/Witnet.sol
+++ b/contracts/libs/Witnet.sol
@@ -69,11 +69,11 @@ library Witnet {
 
     /// Data struct containing the Witnet-provided result to a Data Request.
     struct DataResult {
-        ResultStatus status;
-        RadonDataTypes    dataType;
-        TransactionHash   drTxHash;
-        ResultTimestamp   timestamp;
-        WitnetCBOR.CBOR   value;
+        ResultStatus    status;
+        RadonDataTypes  dataType;
+        TransactionHash drTxHash;
+        ResultTimestamp timestamp;
+        WitnetCBOR.CBOR value;
     }
     
     struct FastForward {