Condition.h

#pragma once
 
#include <xrpl/basics/Buffer.h>
#include <xrpl/basics/Slice.h>
#include <xrpl/conditions/detail/utils.h>
 
#include <cstdint>
#include <set>
 
namespace xrpl::cryptoconditions {
 
enum class Type : std::uint8_t {
    PreimageSha256 = 0,
    PrefixSha256 = 1,
    ThresholdSha256 = 2,
    RsaSha256 = 3,
    Ed25519Sha256 = 4
};
 
class Condition
{
public:
    static constexpr std::size_t kMaxSerializedCondition = 128;

    static std::unique_ptr<Condition>
    deserialize(Slice s, std::error_code& ec);
 
public:
    Type type;

    Buffer fingerprint;

    std::uint32_t cost;

    std::set<Type> subtypes;
 
    Condition(Type t, std::uint32_t c, Slice fp) : type(t), fingerprint(fp), cost(c)
    {
    }
 
    Condition(Type t, std::uint32_t c, Buffer&& fp) : type(t), fingerprint(std::move(fp)), cost(c)
    {
    }
 
    ~Condition() = default;
 
    Condition(Condition const&) = default;
    Condition(Condition&&) = default;
 
    Condition() = delete;
};
 
inline bool
operator==(Condition const& lhs, Condition const& rhs)
{
    return lhs.type == rhs.type && lhs.cost == rhs.cost && lhs.subtypes == rhs.subtypes &&
        lhs.fingerprint == rhs.fingerprint;
}
 
inline bool
operator!=(Condition const& lhs, Condition const& rhs)
{
    return !(lhs == rhs);
}
 
}  // namespace xrpl::cryptoconditions