SHAMapTreeNode
* Remove SHAMapTreeNode::pointer and SHAMapTreeNode::ref.
* Add std includes necessary to make the header standalone.
* Remove implementation from the SHAMapTreeNode declaration.
* Make clear what part of SHAMapTreeNode is:
1) Truly public.
2) Used only by SHAMap.
3) Truly private to SHAMapTreeNode.
SHAMapItem
* Remove SHAMapItem::pointer and SHAMapItem::ref.
* Add std includes necessary to make the header standalone.
* Remove implementation from the SHAMapItem declaration.
* Make clear what part of SHAMapItem is:
1) Truly public.
2) Used only by SHAMapTreeNode.
3) Truly private to SHAMapItem.
SHAMapSyncFilter
* Add override for SHAMapSyncFilter-derived functions.
* Add missing header.
* Default the destructor and delete the SHAMapSyncFilter copy members.
SHAMapNodeID
* Remove unused mHash member.
* Remove unused std::hash and boost::hash specializations.
* Remove unused constructor.
* Remove unused comparison with uint256.
* Remove unused getNodeID (int depth, uint256 const& hash).
* Remove virtual specifier from getString().
* Fix operator<= and operator>=.
* Document what API is used outside of SHAMap.
* Move inline definitions outside of the class declaration.
SHAMapMissingNode
* Make SHAMapType a enum class to prevent unwanted conversions.
* Remove needless ~SHAMapMissingNode() declaration/definition.
* Add referenced std includes.
SHAMapAddNode
* Make SHAMapAddNode (int good, int bad, int duplicate) ctor private.
* Move all member function definitions out of the class declaration.
* Remove dependence on beast::lexicalCastThrow.
* Make getGood() const.
* Make get() const.
* Add #include <string>.
SHAMap
* Remove unused enum STATE_MAP_BUCKETS.
* Remove unused getCountedObjectName().
* Remove SHAMap::pointer
* Remove SHAMap::ref
* Remove unused fetchPackEntry_t.
* Remove inline member function definitions from class declaration.
* Remove unused getTrustedPath.
* Remove unused getPath.
* Remove unused visitLeavesInternal.
* Make SHAMapState an enum class.
* Explicitly delete SHAMap copy members.
* Reduce access to nested types as much as possible.
* Normalize member data names to one style.
* Change last of the typedefs to usings under shamap.
* Reorder some includes ripple-first, beast-second.
* Declare a few constructions from make_shared with auto.
* Mark those SHAMap member functions which can be, with const.
* Add missing includes
* The rippled.cfg file has a new section called "amendments"
* Each line in this section contains two white-space separated items
** The first item is the ID of the amendment (a 256-bit hash)
** The second item is the friendly name
* Replaces config section name macros with variables
* Make addKnown arguments safer
* Added lock to addKnown
