AMMWithdraw.h

#pragma once
 
#include <xrpld/app/tx/detail/Transactor.h>
 
#include <xrpl/ledger/View.h>
 
namespace xrpl {
 
class Sandbox;
 
enum class WithdrawAll : bool { No = false, Yes };
 
class AMMWithdraw : public Transactor
{
public:
    static constexpr ConsequencesFactoryType ConsequencesFactory{Normal};
 
    explicit AMMWithdraw(ApplyContext& ctx) : Transactor(ctx)
    {
    }
 
    static bool
    checkExtraFeatures(PreflightContext const& ctx);
 
    static std::uint32_t
    getFlagsMask(PreflightContext const& ctx);
 
    static NotTEC
    preflight(PreflightContext const& ctx);
 
    static TER
    preclaim(PreclaimContext const& ctx);
 
    TER
    doApply() override;
 
    static std::tuple<TER, STAmount, STAmount, std::optional<STAmount>>
    equalWithdrawTokens(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const account,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& amount2Balance,
        STAmount const& lptAMMBalance,
        STAmount const& lpTokens,
        STAmount const& lpTokensWithdraw,
        std::uint16_t tfee,
        FreezeHandling freezeHanding,
        WithdrawAll withdrawAll,
        XRPAmount const& priorBalance,
        beast::Journal const& journal);
 
    static std::tuple<TER, STAmount, STAmount, std::optional<STAmount>>
    withdraw(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        AccountID const& account,
        STAmount const& amountBalance,
        STAmount const& amountWithdraw,
        std::optional<STAmount> const& amount2Withdraw,
        STAmount const& lpTokensAMMBalance,
        STAmount const& lpTokensWithdraw,
        std::uint16_t tfee,
        FreezeHandling freezeHandling,
        WithdrawAll withdrawAll,
        XRPAmount const& priorBalance,
        beast::Journal const& journal);
 
    static std::pair<TER, bool>
    deleteAMMAccountIfEmpty(
        Sandbox& sb,
        std::shared_ptr<SLE> const ammSle,
        STAmount const& lpTokenBalance,
        Issue const& issue1,
        Issue const& issue2,
        beast::Journal const& journal);
 
private:
    std::pair<TER, bool>
    applyGuts(Sandbox& view);
 
    std::pair<TER, STAmount>
    withdraw(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& amountWithdraw,
        std::optional<STAmount> const& amount2Withdraw,
        STAmount const& lpTokensAMMBalance,
        STAmount const& lpTokensWithdraw,
        std::uint16_t tfee);
 
    std::pair<TER, STAmount>
    equalWithdrawTokens(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& amount2Balance,
        STAmount const& lptAMMBalance,
        STAmount const& lpTokens,
        STAmount const& lpTokensWithdraw,
        std::uint16_t tfee);
 
    std::pair<TER, STAmount>
    equalWithdrawLimit(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& amount2Balance,
        STAmount const& lptAMMBalance,
        STAmount const& amount,
        STAmount const& amount2,
        std::uint16_t tfee);
 
    std::pair<TER, STAmount>
    singleWithdraw(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& lptAMMBalance,
        STAmount const& amount,
        std::uint16_t tfee);
 
    std::pair<TER, STAmount>
    singleWithdrawTokens(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& lptAMMBalance,
        STAmount const& amount,
        STAmount const& lpTokensWithdraw,
        std::uint16_t tfee);
 
    std::pair<TER, STAmount>
    singleWithdrawEPrice(
        Sandbox& view,
        SLE const& ammSle,
        AccountID const& ammAccount,
        STAmount const& amountBalance,
        STAmount const& lptAMMBalance,
        STAmount const& amount,
        STAmount const& ePrice,
        std::uint16_t tfee);
 
    static WithdrawAll
    isWithdrawAll(STTx const& tx);
};
 
}  // namespace xrpl