making _assertCallerHasAccess virtual (#19)

* making _assertCallerHasAccess virtual

* fmt

src/config/enums.sol

@@ -25,4 +25,5 @@ enum ActionType {
     TransferLong, // transfer long directly to another subAccount
     TransferShort, // transfer short directly to another subAccount
     BurnShortInAccount // decreases short position in one subAccount, decreases long position in another
+
 }

src/core/Pomace.sol

@@ -32,7 +32,6 @@ import "../config/errors.sol";
  * @author  @dsshap, @antoncoding
  * @dev     This contract serves as the registry of the system who system.
  */
-
 contract Pomace is OwnableUpgradeable, ReentrancyGuardUpgradeable, UUPSUpgradeable {
     using BalanceUtil for Balance[];
     using FixedPointMathLib for uint256;

src/core/engines/BaseEngine.sol

@@ -66,7 +66,6 @@ abstract contract BaseEngine {
      *                       Constructor
      * ========================================================= *
      */
-
     constructor(address _pomace, address _optionToken) {
         pomace = IPomace(_pomace);
         optionToken = IPhysicalOptionToken(_optionToken);
@@ -371,7 +370,7 @@ abstract contract BaseEngine {
      * @notice revert if the msg.sender is not authorized to access an subAccount id
      * @param _subAccount subaccount id
      */
-    function _assertCallerHasAccess(address _subAccount) internal {
+    function _assertCallerHasAccess(address _subAccount) internal virtual {
         if (_isPrimaryAccountFor(msg.sender, _subAccount)) return;
 
         // the sender is not the direct owner. check if they're authorized

src/libraries/TokenIdUtil.sol

@@ -13,7 +13,6 @@ import "../config/errors.sol";
  *  | tokenType (32 bits) | productId (32 bits) | expiry (64 bits) | strike (64 bits) | exerciseWindow (64 bits) |
  *  * ------------------- | ------------------- | ---------------- | ---------------- | -------------------------- *
  */
-
 library TokenIdUtil {
     /**
      * @notice calculate ERC1155 token id for given option parameters. See table above for tokenId