diff --git a/ArbOwner.sol b/ArbOwner.sol
index 0fb9fe5..ac6963a 100644
--- a/ArbOwner.sol
+++ b/ArbOwner.sol
@@ -150,8 +150,8 @@ interface ArbOwner {
 
     /// @notice Set how much L1 charges per non-zero byte of calldata
     /// @notice Available in ArbOS version 50 and above
-    function setL1CalldataPrice(
-        uint256 calldataPrice
+    function setParentGasFloorPerToken(
+        uint64 floorPerToken
     ) external;
 
     /// @notice Sets the base charge (in L1 gas) attributed to each data batch in the calldata pricer
diff --git a/ArbOwnerPublic.sol b/ArbOwnerPublic.sol
index b91b136..fb5d11e 100644
--- a/ArbOwnerPublic.sol
+++ b/ArbOwnerPublic.sol
@@ -49,7 +49,7 @@ interface ArbOwnerPublic {
 
     /// @notice Get how much L1 charges per non-zero byte of calldata
     /// @notice Available in ArbOS version 50 and above
-    function getL1CalldataPrice() external view returns (uint256);
+    function getParentGasFloorPerToken() external view returns (uint64);
 
     /// @notice Get the next scheduled ArbOS version upgrade and its activation timestamp.
     /// @notice Returns (0, 0) if no ArbOS upgrade is scheduled.
diff --git a/ArbosActs.sol b/ArbosActs.sol
index 7ca71b6..7034f58 100644
--- a/ArbosActs.sol
+++ b/ArbosActs.sol
@@ -40,7 +40,10 @@ interface ArbosActs {
         uint256 batchTimestamp,
         address batchPosterAddress,
         uint64 batchNumber,
-        uint64 batchDataGas,
+        uint64 batchCalldataLength,
+        uint64 batchCalldataNonZeros,
+        uint64 batchLegacyGas,
+        uint64 batchExtraGas,
         uint256 l1BaseFeeWei
     ) external;