From cad52f1c4757e8623fd8ee1575ecc0d3bd5d6a5e Mon Sep 17 00:00:00 2001
From: Willem Olding <willemolding@gmail.com>
Date: Tue, 3 Oct 2023 16:12:53 +1100
Subject: [PATCH] restrict function types to pure

---
 contracts/src/SyncStepLib.sol       | 2 +-
 contracts/test/SyncStepExternal.sol | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/contracts/src/SyncStepLib.sol b/contracts/src/SyncStepLib.sol
index d187d887..37a1e51b 100644
--- a/contracts/src/SyncStepLib.sol
+++ b/contracts/src/SyncStepLib.sol
@@ -28,7 +28,7 @@ library SyncStepLib {
     * @param keysPoseidonCommitment The commitment to the keys used in the sync step
     * @return The public input commitment that can be sent to the verifier contract.
      */
-    function toInputCommitment(SyncStepInput memory args, bytes32 keysPoseidonCommitment) internal view returns (uint256) {
+    function toInputCommitment(SyncStepInput memory args, bytes32 keysPoseidonCommitment) internal pure returns (uint256) {
         bytes32 h = sha256(abi.encodePacked(
             toLittleEndian64(args.attestedSlot),
             toLittleEndian64(args.finalizedSlot),
diff --git a/contracts/test/SyncStepExternal.sol b/contracts/test/SyncStepExternal.sol
index e2df1407..9d804844 100644
--- a/contracts/test/SyncStepExternal.sol
+++ b/contracts/test/SyncStepExternal.sol
@@ -11,7 +11,7 @@ import { SyncStepLib } from "../src/SyncStepLib.sol";
 contract SyncStepExternal {
     using SyncStepLib for SyncStepLib.SyncStepInput;
 
-    function toInputCommitment(SyncStepLib.SyncStepInput calldata args, bytes32 keysPoseidonCommitment) public view returns (uint256) {
+    function toInputCommitment(SyncStepLib.SyncStepInput calldata args, bytes32 keysPoseidonCommitment) public pure returns (uint256) {
         return args.toInputCommitment(keysPoseidonCommitment);
     }
 }