xdr/Stellar-ledger.x in stellar-base-0.21.0 vs xdr/Stellar-ledger.x in stellar-base-0.22.0

@@ -304,15 +304,69 @@
 {
     LedgerEntryChanges txChanges; // tx level changes if any
     OperationMeta operations<>;   // meta for each operation
 };
 
+struct TransactionMetaV2
+{
+    LedgerEntryChanges txChangesBefore; // tx level changes before operations
+                                        // are applied if any
+    OperationMeta operations<>;         // meta for each operation
+    LedgerEntryChanges txChangesAfter;  // tx level changes after operations are
+                                        // applied if any
+};
+
 // this is the meta produced when applying transactions
 // it does not include pre-apply updates such as fees
 union TransactionMeta switch (int v)
 {
 case 0:
     OperationMeta operations<>;
 case 1:
     TransactionMetaV1 v1;
+case 2:
+    TransactionMetaV2 v2;
 };
+
+// This struct groups together changes on a per transaction basis
+// note however that fees and transaction application are done in separate
+// phases
+struct TransactionResultMeta
+{
+    TransactionResultPair result;
+    LedgerEntryChanges feeProcessing;
+    TransactionMeta txApplyProcessing;
+};
+
+// this represents a single upgrade that was performed as part of a ledger
+// upgrade
+struct UpgradeEntryMeta
+{
+    LedgerUpgrade upgrade;
+    LedgerEntryChanges changes;
+};
+
+struct LedgerCloseMetaV0
+{
+    LedgerHeaderHistoryEntry ledgerHeader;
+    // NB: txSet is sorted in "Hash order"
+    TransactionSet txSet;
+
+    // NB: transactions are sorted in apply order here
+    // fees for all transactions are processed first
+    // followed by applying transactions
+    TransactionResultMeta txProcessing<>;
+
+    // upgrades are applied last
+    UpgradeEntryMeta upgradesProcessing<>;
+
+    // other misc information attached to the ledger close
+    SCPHistoryEntry scpInfo<>;
+};
+
+union LedgerCloseMeta switch (int v)
+{
+case 0:
+     LedgerCloseMetaV0 v0;
+};
+
 }