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55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
#pragma once
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#include <xrpl/beast/utility/Journal.h>
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#include <xrpl/core/ServiceRegistry.h>
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#include <xrpl/ledger/ReadView.h>
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#include <xrpl/protocol/STTx.h>
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#include <xrpl/protocol/TER.h>
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#include <xrpl/protocol/XRPAmount.h>
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#include <xrpl/tx/ApplyContext.h>
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#include <xrpl/tx/Transactor.h>
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namespace xrpl {
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/**
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* AMMDelete implements AMM delete transactor. This is a mechanism to
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* delete AMM in an empty state when the number of LP tokens is 0.
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* AMMDelete deletes the trustlines up to configured maximum. If all
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* trustlines are deleted then AMM ltAMM and root account are deleted.
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* Otherwise AMMDelete should be called again.
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*/
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class AMMDelete : public Transactor
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{
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public:
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static constexpr auto kConsequencesFactory = ConsequencesFactoryType::Normal;
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explicit AMMDelete(ApplyContext& ctx) : Transactor(ctx)
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{
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}
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static bool
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checkExtraFeatures(PreflightContext const& ctx);
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static NotTEC
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preflight(PreflightContext const& ctx);
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static TER
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preclaim(PreclaimContext const& ctx);
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TER
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doApply() override;
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void
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visitInvariantEntry(bool isDelete, SLE::const_ref before, SLE::const_ref after) override;
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[[nodiscard]] bool
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finalizeInvariants(
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STTx const& tx,
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TER result,
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XRPAmount fee,
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ReadView const& view,
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beast::Journal const& j) override;
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};
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} // namespace xrpl
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