style: Rename calculatePremiumDelta

Author: CheyenneAtapour

src/spoke/Spoke.sol

@@ -316,7 +316,7 @@ abstract contract Spoke is ISpoke, Multicall, NoncesKeyed, AccessManagedUpgradea
       .calculateRestoreAmount(drawnIndex, amount);
     uint256 restoredShares = drawnDebtRestored.rayDivDown(drawnIndex);
 
-    IHubBase.PremiumDelta memory premiumDelta = userPosition.getPremiumDelta({
+    IHubBase.PremiumDelta memory premiumDelta = userPosition.calculatePremiumDelta({
       drawnSharesTaken: restoredShares,
       drawnIndex: drawnIndex,
       riskPremium: _positionStatus[onBehalfOf].riskPremium,
@@ -843,7 +843,7 @@ abstract contract Spoke is ISpoke, Multicall, NoncesKeyed, AccessManagedUpgradea
       uint256 assetId = reserve.assetId;
       IHubBase hub = reserve.hub;
 
-      IHubBase.PremiumDelta memory premiumDelta = userPosition.getPremiumDelta({
+      IHubBase.PremiumDelta memory premiumDelta = userPosition.calculatePremiumDelta({
         drawnSharesTaken: 0,
         drawnIndex: hub.getAssetDrawnIndex(assetId),
         riskPremium: newRiskPremium,
@@ -874,7 +874,7 @@ abstract contract Spoke is ISpoke, Multicall, NoncesKeyed, AccessManagedUpgradea
       (uint256 drawnDebtReported, uint256 premiumDebtRay) = userPosition.getDebt(drawnIndex);
       uint256 deficitShares = drawnDebtReported.rayDivDown(drawnIndex);
 
-      IHubBase.PremiumDelta memory premiumDelta = userPosition.getPremiumDelta({
+      IHubBase.PremiumDelta memory premiumDelta = userPosition.calculatePremiumDelta({
         drawnSharesTaken: deficitShares,
         drawnIndex: drawnIndex,
         riskPremium: 0,

src/spoke/libraries/LiquidationLogic.sol

@@ -324,7 +324,7 @@ library LiquidationLogic {
     uint256 drawnDebtLiquidated = params.debtToLiquidate - premiumDebtToLiquidateRay.fromRayUp();
     uint256 drawnSharesLiquidated = drawnDebtLiquidated.rayDivDown(params.drawnIndex);
 
-    IHubBase.PremiumDelta memory premiumDelta = debtPosition.getPremiumDelta({
+    IHubBase.PremiumDelta memory premiumDelta = debtPosition.calculatePremiumDelta({
       drawnSharesTaken: drawnSharesLiquidated,
       drawnIndex: params.drawnIndex,
       riskPremium: positionStatus.riskPremium,

src/spoke/libraries/UserPositionDebt.sol

@@ -42,7 +42,7 @@ library UserPositionDebt {
   /// @param riskPremium The new risk premium, expressed in BPS.
   /// @param restoredPremiumRay The amount of premium to be restored, expressed in asset units and scaled by RAY.
   /// @return The calculated premium delta.
-  function getPremiumDelta(
+  function calculatePremiumDelta(
     ISpoke.UserPosition storage userPosition,
     uint256 drawnSharesTaken,
     uint256 drawnIndex,

tests/mocks/UserPositionDebtWrapper.sol

@@ -21,14 +21,14 @@ contract UserPositionDebtWrapper {
     UserPositionDebt.applyPremiumDelta(_userPosition, premiumDelta);
   }
 
-  function getPremiumDelta(
+  function calculatePremiumDelta(
     uint256 drawnSharesTaken,
     uint256 drawnIndex,
     uint256 riskPremium,
     uint256 restoredPremiumRay
   ) external view returns (IHubBase.PremiumDelta memory) {
     return
-      UserPositionDebt.getPremiumDelta(
+      UserPositionDebt.calculatePremiumDelta(
         _userPosition,
         drawnSharesTaken,
         drawnIndex,

tests/unit/libraries/UserPositionDebt.t.sol

@@ -64,12 +64,12 @@ contract UserPositionDebtTest is Base {
     assertEq(u.getUserPosition().premiumOffsetRay, -90e18 * 1e27);
   }
 
-  function test_fuzz_getPremiumDelta(BoundParams memory params) public {
+  function test_fuzz_calculatePremiumDelta(BoundParams memory params) public {
     params = _bound(params);
     _mockUserDrawnShares(params.drawnShares);
     _mockUserPremiumData(params.premiumShares, params.premiumOffsetRay);
     assertEq(
-      u.getPremiumDelta(
+      u.calculatePremiumDelta(
         params.drawnSharesTaken,
         params.drawnIndex,
         params.riskPremium,
@@ -86,9 +86,9 @@ contract UserPositionDebtTest is Base {
     );
   }
 
-  function test_getPremiumDelta() public view {
+  function test_calculatePremiumDelta() public view {
     assertEq(
-      u.getPremiumDelta(0, DRAWN_INDEX, 20_00, 48.5e18 * 1e27),
+      u.calculatePremiumDelta(0, DRAWN_INDEX, 20_00, 48.5e18 * 1e27),
       IHubBase.PremiumDelta({
         sharesDelta: -59e18, // 40 - 99
         offsetRayDelta: -40e18 * 1e27, // (60 - (248.5 - 48.5)) - (-100)