diff --git a/src/test/harnesses/BeaconChainProofsHarness.sol b/src/test/harnesses/BeaconChainProofsHarness.sol
new file mode 100644
index 000000000..f227c8ceb
--- /dev/null
+++ b/src/test/harnesses/BeaconChainProofsHarness.sol
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity =0.8.12;
+
+import "../../contracts/libraries/BeaconChainProofs.sol";
+
+contract BeaconChainProofsHarness {
+    function verifyValidatorFields(
+        uint40 validatorIndex,
+        bytes32 beaconStateRoot,
+        bytes calldata proof, 
+        bytes32[] calldata validatorFields) external view {        
+            BeaconChainProofs.verifyValidatorFields(
+                validatorIndex,
+                beaconStateRoot,
+                proof, 
+                validatorFields
+            );
+        }   
+}
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