Merge branch 'xrplf/sponsor' of https://github.com/XRPLF/rippled into mvadari/sponsor/adjustment

include/xrpl/ledger/helpers/AccountRootHelpers.h

@@ -101,7 +101,7 @@ baseAccountReserve(ReadView const& view, Adjustment adj);
  */
 [[nodiscard]] TER
 checkInsufficientReserve(
-    ReadView const& view,
+    ApplyView const& view,
     STTx const& tx,
     SLE::const_ref accSle,
     STAmount const& accBalance,

include/xrpl/ledger/helpers/SponsorHelpers.h

@@ -173,6 +173,28 @@ getLedgerEntryOwner(ReadView const& view, T const& sle, AccountID const& account
     };
 }
 
+template <typename T>
+inline bool
+isLedgerEntrySupportedBySponsorship(T const& sle)
+{
+    switch (sle->getType())
+    {
+        case ltCHECK:
+        case ltESCROW:
+        case ltPAYCHAN:
+        case ltMPTOKEN:
+        case ltDELEGATE:
+        case ltDEPOSIT_PREAUTH:
+        case ltMPTOKEN_ISSUANCE:
+        case ltSIGNER_LIST:
+        case ltCREDENTIAL:
+        case ltRIPPLE_STATE:
+            return true;
+        default:
+            return false;
+    };
+}
+
 template <typename T>
 inline std::uint32_t
 getLedgerEntryOwnerCount(T const& sle)