ApplyViewBase.h

#pragma once
 
#include <xrpl/basics/base_uint.h>
#include <xrpl/ledger/ApplyView.h>
#include <xrpl/ledger/RawView.h>
#include <xrpl/ledger/ReadView.h>
#include <xrpl/ledger/detail/ApplyStateTable.h>
#include <xrpl/protocol/Fees.h>
#include <xrpl/protocol/Keylet.h>
#include <xrpl/protocol/LedgerHeader.h>
#include <xrpl/protocol/Rules.h>
#include <xrpl/protocol/STLedgerEntry.h>
#include <xrpl/protocol/XRPAmount.h>
 
#include <memory>
#include <optional>
 
namespace xrpl::detail {
 
class ApplyViewBase : public ApplyView, public RawView
{
public:
    ApplyViewBase() = delete;
    ApplyViewBase(ApplyViewBase const&) = delete;
    ApplyViewBase&
    operator=(ApplyViewBase&&) = delete;
    ApplyViewBase&
    operator=(ApplyViewBase const&) = delete;
 
    ApplyViewBase(ApplyViewBase&&) = default;
 
    ApplyViewBase(ReadView const* base, ApplyFlags flags);
 
    // ReadView
    [[nodiscard]] bool
    open() const override;
 
    [[nodiscard]] LedgerHeader const&
    header() const override;
 
    [[nodiscard]] Fees const&
    fees() const override;
 
    [[nodiscard]] Rules const&
    rules() const override;
 
    [[nodiscard]] bool
    exists(Keylet const& k) const override;
 
    [[nodiscard]] std::optional<key_type>
    succ(key_type const& key, std::optional<key_type> const& last = std::nullopt) const override;
 
    [[nodiscard]] SLE::const_pointer
    read(Keylet const& k) const override;
 
    [[nodiscard]] std::unique_ptr<SlesType::iter_base>
    slesBegin() const override;
 
    [[nodiscard]] std::unique_ptr<SlesType::iter_base>
    slesEnd() const override;
 
    [[nodiscard]] std::unique_ptr<SlesType::iter_base>
    slesUpperBound(uint256 const& key) const override;
 
    [[nodiscard]] std::unique_ptr<TxsType::iter_base>
    txsBegin() const override;
 
    [[nodiscard]] std::unique_ptr<TxsType::iter_base>
    txsEnd() const override;
 
    [[nodiscard]] bool
    txExists(key_type const& key) const override;
 
    [[nodiscard]] tx_type
    txRead(key_type const& key) const override;
 
    // ApplyView
 
    [[nodiscard]] ApplyFlags
    flags() const override;
 
    SLE::pointer
    peek(Keylet const& k) override;
 
    void
    erase(SLE::ref sle) override;
 
    void
    insert(SLE::ref sle) override;
 
    void
    update(SLE::ref sle) override;
 
    // RawView
 
    void
    rawErase(SLE::ref sle) override;
 
    void
    rawInsert(SLE::ref sle) override;
 
    void
    rawReplace(SLE::ref sle) override;
 
    void
    rawDestroyXRP(XRPAmount const& feeDrops) override;
 
protected:
    ApplyFlags flags_;
    ReadView const* base_;
    detail::ApplyStateTable items_;
};
 
}  // namespace xrpl::detail