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1d42c4f6de
Per XLS-0095, we are taking steps to rename ripple(d) to xrpl(d). This change specifically removes all copyright notices referencing Ripple, XRPLF, and certain affiliated contributors upon mutual agreement, so the notice in the LICENSE.md file applies throughout. Copyright notices referencing external contributions remain as-is. Duplicate verbiage is also removed.
145 lines
3.2 KiB
C++
145 lines
3.2 KiB
C++
#ifndef XRPL_LEDGER_APPLYSTATETABLE_H_INCLUDED
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#define XRPL_LEDGER_APPLYSTATETABLE_H_INCLUDED
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#include <xrpl/beast/utility/Journal.h>
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#include <xrpl/ledger/OpenView.h>
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#include <xrpl/ledger/RawView.h>
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#include <xrpl/ledger/ReadView.h>
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#include <xrpl/protocol/TER.h>
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#include <xrpl/protocol/TxMeta.h>
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#include <xrpl/protocol/XRPAmount.h>
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#include <memory>
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namespace ripple {
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namespace detail {
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// Helper class that buffers modifications
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class ApplyStateTable
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{
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public:
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using key_type = ReadView::key_type;
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private:
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enum class Action {
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cache,
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erase,
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insert,
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modify,
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};
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using items_t = std::map<key_type, std::pair<Action, std::shared_ptr<SLE>>>;
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items_t items_;
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XRPAmount dropsDestroyed_{0};
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public:
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ApplyStateTable() = default;
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ApplyStateTable(ApplyStateTable&&) = default;
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ApplyStateTable(ApplyStateTable const&) = delete;
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ApplyStateTable&
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operator=(ApplyStateTable&&) = delete;
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ApplyStateTable&
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operator=(ApplyStateTable const&) = delete;
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void
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apply(RawView& to) const;
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std::optional<TxMeta>
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apply(
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OpenView& to,
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STTx const& tx,
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TER ter,
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std::optional<STAmount> const& deliver,
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std::optional<uint256 const> const& parentBatchId,
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bool isDryRun,
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beast::Journal j);
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bool
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exists(ReadView const& base, Keylet const& k) const;
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std::optional<key_type>
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succ(
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ReadView const& base,
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key_type const& key,
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std::optional<key_type> const& last) const;
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std::shared_ptr<SLE const>
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read(ReadView const& base, Keylet const& k) const;
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std::shared_ptr<SLE>
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peek(ReadView const& base, Keylet const& k);
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std::size_t
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size() const;
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void
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visit(
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ReadView const& base,
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std::function<void(
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uint256 const& key,
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bool isDelete,
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std::shared_ptr<SLE const> const& before,
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std::shared_ptr<SLE const> const& after)> const& func) const;
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void
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erase(ReadView const& base, std::shared_ptr<SLE> const& sle);
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void
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rawErase(ReadView const& base, std::shared_ptr<SLE> const& sle);
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void
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insert(ReadView const& base, std::shared_ptr<SLE> const& sle);
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void
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update(ReadView const& base, std::shared_ptr<SLE> const& sle);
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void
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replace(ReadView const& base, std::shared_ptr<SLE> const& sle);
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void
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destroyXRP(XRPAmount const& fee);
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// For debugging
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XRPAmount const&
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dropsDestroyed() const
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{
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return dropsDestroyed_;
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}
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private:
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using Mods = hash_map<key_type, std::shared_ptr<SLE>>;
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static void
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threadItem(TxMeta& meta, std::shared_ptr<SLE> const& to);
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std::shared_ptr<SLE>
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getForMod(
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ReadView const& base,
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key_type const& key,
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Mods& mods,
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beast::Journal j);
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void
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threadTx(
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ReadView const& base,
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TxMeta& meta,
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AccountID const& to,
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Mods& mods,
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beast::Journal j);
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void
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threadOwners(
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ReadView const& base,
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TxMeta& meta,
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std::shared_ptr<SLE const> const& sle,
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Mods& mods,
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beast::Journal j);
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};
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} // namespace detail
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} // namespace ripple
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#endif
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