ProtocolVersion.h

#pragma once
 
#include <cstdint>
#include <optional>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
 
namespace xrpl {

using ProtocolVersion = std::pair<std::uint16_t, std::uint16_t>;
 
constexpr ProtocolVersion
makeProtocol(std::uint16_t major, std::uint16_t minor)
{
    return {major, minor};
}

std::string
to_string(ProtocolVersion const& p);

std::vector<ProtocolVersion>
parseProtocolVersions(std::string_view s);

std::optional<ProtocolVersion>
negotiateProtocolVersion(std::vector<ProtocolVersion> const& versions);

std::optional<ProtocolVersion>
negotiateProtocolVersion(std::string_view versions);

std::string const&
supportedProtocolVersions();

bool
isProtocolSupported(ProtocolVersion const& v);

ProtocolVersion
newestSupportedProtocolVersion();
 
}  // namespace xrpl