ConsensusTransSetSF.h

#pragma once
 
#include <xrpld/app/main/Application.h>
 
#include <xrpl/basics/Blob.h>
#include <xrpl/basics/SHAMapHash.h>
#include <xrpl/basics/TaggedCache.h>
#include <xrpl/beast/utility/Journal.h>
#include <xrpl/shamap/SHAMapSyncFilter.h>
#include <xrpl/shamap/SHAMapTreeNode.h>
 
#include <cstdint>
#include <optional>
 
namespace xrpl {
 
// Sync filters allow low-level SHAMapSync code to interact correctly with
// higher-level structures such as caches and transaction stores
 
// This class is needed on both add and check functions
// sync filter for transaction sets during consensus building
class ConsensusTransSetSF : public SHAMapSyncFilter
{
public:
    using NodeCache = TaggedCache<SHAMapHash, Blob>;
 
    ConsensusTransSetSF(Application& app, NodeCache& nodeCache);
 
    // Note that the nodeData is overwritten by this call
    void
    gotNode(
        bool fromFilter,
        SHAMapHash const& nodeHash,
        std::uint32_t ledgerSeq,
        Blob&& nodeData,
        SHAMapNodeType type) const override;
 
    [[nodiscard]] std::optional<Blob>
    getNode(SHAMapHash const& nodeHash) const override;
 
private:
    Application& app_;
    NodeCache& nodeCache_;
    beast::Journal const j_;
};
 
}  // namespace xrpl