Files
rippled/include/xrpl/ledger/RawView.h
Jingchen dc8b37a524 refactor: Modularise ledger (#5493)
This change moves the ledger code to libxrpl.
2025-09-18 11:12:24 -04:00

112 lines
3.1 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef RIPPLE_LEDGER_RAWVIEW_H_INCLUDED
#define RIPPLE_LEDGER_RAWVIEW_H_INCLUDED
#include <xrpl/ledger/ReadView.h>
#include <xrpl/protocol/STLedgerEntry.h>
#include <xrpl/protocol/Serializer.h>
namespace ripple {
/** Interface for ledger entry changes.
Subclasses allow raw modification of ledger entries.
*/
class RawView
{
public:
virtual ~RawView() = default;
RawView() = default;
RawView(RawView const&) = default;
RawView&
operator=(RawView const&) = delete;
/** Delete an existing state item.
The SLE is provided so the implementation
can calculate metadata.
*/
virtual void
rawErase(std::shared_ptr<SLE> const& sle) = 0;
/** Unconditionally insert a state item.
Requirements:
The key must not already exist.
Effects:
The key is associated with the SLE.
@note The key is taken from the SLE
*/
virtual void
rawInsert(std::shared_ptr<SLE> const& sle) = 0;
/** Unconditionally replace a state item.
Requirements:
The key must exist.
Effects:
The key is associated with the SLE.
@note The key is taken from the SLE
*/
virtual void
rawReplace(std::shared_ptr<SLE> const& sle) = 0;
/** Destroy XRP.
This is used to pay for transaction fees.
*/
virtual void
rawDestroyXRP(XRPAmount const& fee) = 0;
};
//------------------------------------------------------------------------------
/** Interface for changing ledger entries with transactions.
Allows raw modification of ledger entries and insertion
of transactions into the transaction map.
*/
class TxsRawView : public RawView
{
public:
/** Add a transaction to the tx map.
Closed ledgers must have metadata,
while open ledgers omit metadata.
*/
virtual void
rawTxInsert(
ReadView::key_type const& key,
std::shared_ptr<Serializer const> const& txn,
std::shared_ptr<Serializer const> const& metaData) = 0;
};
} // namespace ripple
#endif