feat: switch bit used for flashloan enabled

Author: Steven Valeri

contracts/protocol/libraries/configuration/ReserveConfiguration.sol

@@ -21,14 +21,14 @@ library ReserveConfiguration {
   uint256 internal constant PAUSED_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant BORROWABLE_IN_ISOLATION_MASK =   0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant SILOED_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFF; // prettier-ignore
+  uint256 internal constant FLASHLOAN_ENABLED_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant RESERVE_FACTOR_MASK =            0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant BORROW_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant SUPPLY_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK =  0xFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant EMODE_CATEGORY_MASK =            0xFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant UNBACKED_MINT_CAP_MASK =         0xFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
   uint256 internal constant DEBT_CEILING_MASK =              0xF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
-  uint256 internal constant FLASHLOAN_ENABLED_MASK =         0xEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
 
   /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
   uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
@@ -41,7 +41,7 @@ library ReserveConfiguration {
   uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60;
   uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61;
   uint256 internal constant SILOED_BORROWING_START_BIT_POSITION = 62;
-  /// @dev bit 63 reserved
+  uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 63;
 
   uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64;
   uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80;
@@ -50,7 +50,6 @@ library ReserveConfiguration {
   uint256 internal constant EMODE_CATEGORY_START_BIT_POSITION = 168;
   uint256 internal constant UNBACKED_MINT_CAP_START_BIT_POSITION = 176;
   uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212;
-  uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 252;
 
   uint256 internal constant MAX_VALID_LTV = 65535;
   uint256 internal constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535;