STAccount.h

#pragma once
 
#include <xrpl/basics/Buffer.h>
#include <xrpl/basics/CountedObject.h>
#include <xrpl/protocol/AccountID.h>
#include <xrpl/protocol/SField.h>
#include <xrpl/protocol/STBase.h>
#include <xrpl/protocol/Serializer.h>
 
#include <cstddef>
#include <string>
 
namespace xrpl {
 
class STAccount final : public STBase, public CountedObject<STAccount>
{
private:
    // The original implementation of STAccount kept the value in an STBlob.
    // But an STAccount is always 160 bits, so we can store it with less
    // overhead in an xrpl::UInt160.  However, so the serialized format of the
    // STAccount stays unchanged, we serialize and deserialize like an STBlob.
    AccountID value_;
    bool default_;
 
public:
    using value_type = AccountID;
 
    STAccount();
 
    STAccount(SField const& n);
    STAccount(SField const& n, Buffer const& v);
    STAccount(SerialIter& sit, SField const& name);
    STAccount(SField const& n, AccountID const& v);
 
    [[nodiscard]] SerializedTypeID
    getSType() const override;
 
    [[nodiscard]] std::string
    getText() const override;
 
    void
    add(Serializer& s) const override;
 
    [[nodiscard]] bool
    isEquivalent(STBase const& t) const override;
 
    [[nodiscard]] bool
    isDefault() const override;
 
    STAccount&
    operator=(AccountID const& value);
 
    [[nodiscard]] AccountID const&
    value() const noexcept;
 
    void
    setValue(AccountID const& v);
 
private:
    STBase*
    copy(std::size_t n, void* buf) const override;
    STBase*
    move(std::size_t n, void* buf) override;
 
    friend class detail::STVar;
};
 
inline STAccount&
STAccount::operator=(AccountID const& value)
{
    setValue(value);
    return *this;
}
 
inline AccountID const&
STAccount::value() const noexcept
{
    return value_;
}
 
inline void
STAccount::setValue(AccountID const& v)
{
    value_ = v;
    default_ = false;
}
 
inline bool
operator==(STAccount const& lhs, STAccount const& rhs)
{
    return lhs.value() == rhs.value();
}
 
inline auto
operator<(STAccount const& lhs, STAccount const& rhs)
{
    return lhs.value() < rhs.value();
}
 
inline bool
operator==(STAccount const& lhs, AccountID const& rhs)
{
    return lhs.value() == rhs;
}
 
inline auto
operator<(STAccount const& lhs, AccountID const& rhs)
{
    return lhs.value() < rhs;
}
 
inline auto
operator<(AccountID const& lhs, STAccount const& rhs)
{
    return lhs < rhs.value();
}
 
}  // namespace xrpl