Node.h

//------------------------------------------------------------------------------
/*
    This file is part of rippled: https://github.com/ripple/rippled
    Copyright (c) 2020 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_APP_RDB_BACKEND_DETAIL_NODE_H_INCLUDED
#define RIPPLE_APP_RDB_BACKEND_DETAIL_NODE_H_INCLUDED
 
#include <xrpld/app/ledger/Ledger.h>
#include <xrpld/app/rdb/RelationalDatabase.h>
#include <xrpld/core/Config.h>
 
namespace ripple {
namespace detail {
 
/* Need to change TableTypeCount if TableType is modified. */
enum class TableType { Ledgers, Transactions, AccountTransactions };
constexpr int TableTypeCount = 3;
 
struct DatabasePairValid
{
    std::unique_ptr<DatabaseCon> ledgerDb;
    std::unique_ptr<DatabaseCon> transactionDb;
    bool valid;
};
 
DatabasePairValid
makeLedgerDBs(
    Config const& config,
    DatabaseCon::Setup const& setup,
    DatabaseCon::CheckpointerSetup const& checkpointerSetup,
    beast::Journal j);
 
std::optional<LedgerIndex>
getMinLedgerSeq(soci::session& session, TableType type);
 
std::optional<LedgerIndex>
getMaxLedgerSeq(soci::session& session, TableType type);
 
void
deleteByLedgerSeq(
    soci::session& session,
    TableType type,
    LedgerIndex ledgerSeq);
 
void
deleteBeforeLedgerSeq(
    soci::session& session,
    TableType type,
    LedgerIndex ledgerSeq);
 
std::size_t
getRows(soci::session& session, TableType type);
 
RelationalDatabase::CountMinMax
getRowsMinMax(soci::session& session, TableType type);
 
bool
saveValidatedLedger(
    DatabaseCon& ldgDB,
    DatabaseCon& txnDB,
    Application& app,
    std::shared_ptr<Ledger const> const& ledger,
    bool current);
 
std::optional<LedgerInfo>
getLedgerInfoByIndex(
    soci::session& session,
    LedgerIndex ledgerSeq,
    beast::Journal j);
 
std::optional<LedgerInfo>
getNewestLedgerInfo(soci::session& session, beast::Journal j);
 
std::optional<LedgerInfo>
getLimitedOldestLedgerInfo(
    soci::session& session,
    LedgerIndex ledgerFirstIndex,
    beast::Journal j);
 
std::optional<LedgerInfo>
getLimitedNewestLedgerInfo(
    soci::session& session,
    LedgerIndex ledgerFirstIndex,
    beast::Journal j);
 
std::optional<LedgerInfo>
getLedgerInfoByHash(
    soci::session& session,
    uint256 const& ledgerHash,
    beast::Journal j);
 
uint256
getHashByIndex(soci::session& session, LedgerIndex ledgerIndex);
 
std::optional<LedgerHashPair>
getHashesByIndex(
    soci::session& session,
    LedgerIndex ledgerIndex,
    beast::Journal j);
 
std::map<LedgerIndex, LedgerHashPair>
getHashesByIndex(
    soci::session& session,
    LedgerIndex minSeq,
    LedgerIndex maxSeq,
    beast::Journal j);
 
std::pair<std::vector<std::shared_ptr<Transaction>>, int>
getTxHistory(
    soci::session& session,
    Application& app,
    LedgerIndex startIndex,
    int quantity);
 
std::pair<RelationalDatabase::AccountTxs, int>
getOldestAccountTxs(
    soci::session& session,
    Application& app,
    LedgerMaster& ledgerMaster,
    RelationalDatabase::AccountTxOptions const& options,
    beast::Journal j);
 
std::pair<RelationalDatabase::AccountTxs, int>
getNewestAccountTxs(
    soci::session& session,
    Application& app,
    LedgerMaster& ledgerMaster,
    RelationalDatabase::AccountTxOptions const& options,
    beast::Journal j);
 
std::pair<std::vector<RelationalDatabase::txnMetaLedgerType>, int>
getOldestAccountTxsB(
    soci::session& session,
    Application& app,
    RelationalDatabase::AccountTxOptions const& options,
    beast::Journal j);
 
std::pair<std::vector<RelationalDatabase::txnMetaLedgerType>, int>
getNewestAccountTxsB(
    soci::session& session,
    Application& app,
    RelationalDatabase::AccountTxOptions const& options,
    beast::Journal j);
 
std::pair<std::optional<RelationalDatabase::AccountTxMarker>, int>
oldestAccountTxPage(
    soci::session& session,
    std::function<void(std::uint32_t)> const& onUnsavedLedger,
    std::function<
        void(std::uint32_t, std::string const&, Blob&&, Blob&&)> const&
        onTransaction,
    RelationalDatabase::AccountTxPageOptions const& options,
    std::uint32_t page_length);
 
std::pair<std::optional<RelationalDatabase::AccountTxMarker>, int>
newestAccountTxPage(
    soci::session& session,
    std::function<void(std::uint32_t)> const& onUnsavedLedger,
    std::function<
        void(std::uint32_t, std::string const&, Blob&&, Blob&&)> const&
        onTransaction,
    RelationalDatabase::AccountTxPageOptions const& options,
    std::uint32_t page_length);
 
std::variant<RelationalDatabase::AccountTx, TxSearched>
getTransaction(
    soci::session& session,
    Application& app,
    uint256 const& id,
    std::optional<ClosedInterval<uint32_t>> const& range,
    error_code_i& ec);
 
bool
dbHasSpace(soci::session& session, Config const& config, beast::Journal j);
 
}  // namespace detail
}  // namespace ripple
 
#endif