Merge branch 'develop' into ximinez/lending-XLS-66

include/xrpl/protocol/STTx.h

@@ -153,6 +153,11 @@ public:
     checkSign(RequireFullyCanonicalSig requireCanonicalSig, Rules const& rules)
         const;
 
+    Expected<void, std::string>
+    checkBatchSign(
+        RequireFullyCanonicalSig requireCanonicalSig,
+        Rules const& rules) const;
+
     // SQL Functions with metadata.
     static std::string const&
     getMetaSQLInsertReplaceHeader();
@@ -168,6 +173,9 @@ public:
         char status,
         std::string const& escapedMetaData) const;
 
+    std::vector<uint256>
+    getBatchTransactionIDs() const;
+
 private:
     Expected<void, std::string>
     checkSingleSign(
@@ -180,12 +188,24 @@ private:
         Rules const& rules,
         STObject const* pSig) const;
 
+    Expected<void, std::string>
+    checkBatchSingleSign(
+        STObject const& batchSigner,
+        RequireFullyCanonicalSig requireCanonicalSig) const;
+
+    Expected<void, std::string>
+    checkBatchMultiSign(
+        STObject const& batchSigner,
+        RequireFullyCanonicalSig requireCanonicalSig,
+        Rules const& rules) const;
+
     STBase*
     copy(std::size_t n, void* buf) const override;
     STBase*
     move(std::size_t n, void* buf) override;
 
     friend class detail::STVar;
+    mutable std::vector<uint256> batch_txn_ids_;
 };
 
 bool