#pragma once

#include <xrpl/beast/utility/Journal.h>
#include <xrpl/core/ServiceRegistry.h>
#include <xrpl/ledger/ReadView.h>
#include <xrpl/protocol/STTx.h>
#include <xrpl/protocol/TER.h>
#include <xrpl/protocol/XRPAmount.h>
#include <xrpl/tx/ApplyContext.h>
#include <xrpl/tx/Transactor.h>

namespace xrpl {

/**
 * Price Oracle is a system that acts as a bridge between
 * a blockchain network and the external world, providing off-chain price data
 * to decentralized applications (dApps) on the blockchain. This implementation
 * conforms to the requirements specified in the XLS-47d.
 *
 * The OracleSet transactor implements creating or updating Oracle objects.
 */

class OracleSet : public Transactor
{
public:
    static constexpr auto kConsequencesFactory = ConsequencesFactoryType::Normal;

    explicit OracleSet(ApplyContext& ctx) : Transactor(ctx)
    {
    }

    static NotTEC
    preflight(PreflightContext const& ctx);

    static TER
    preclaim(PreclaimContext const& ctx);

    TER
    doApply() override;

    void
    visitInvariantEntry(bool isDelete, SLE::const_ref before, SLE::const_ref after) override;

    [[nodiscard]] bool
    finalizeInvariants(
        STTx const& tx,
        TER result,
        XRPAmount fee,
        ReadView const& view,
        beast::Journal const& j) override;
};

}  // namespace xrpl