Asset.cpp

#include <xrpl/protocol/Asset.h>
 
#include <xrpl/basics/Number.h>
#include <xrpl/basics/contract.h>
#include <xrpl/json/json_value.h>
#include <xrpl/protocol/AccountID.h>
#include <xrpl/protocol/Concepts.h>
#include <xrpl/protocol/Issue.h>
#include <xrpl/protocol/MPTIssue.h>
#include <xrpl/protocol/STAmount.h>
#include <xrpl/protocol/jss.h>
 
#include <ostream>
#include <stdexcept>
#include <string>
#include <variant>
 
namespace xrpl {
 
AccountID const&
Asset::getIssuer() const
{
    return std::visit([&](auto&& issue) -> AccountID const& { return issue.getIssuer(); }, issue_);
}
 
std::string
Asset::getText() const
{
    return std::visit([&](auto&& issue) { return issue.getText(); }, issue_);
}
 
void
Asset::setJson(json::Value& jv) const
{
    std::visit([&](auto&& issue) { issue.setJson(jv); }, issue_);
}
 
STAmount
Asset::operator()(Number const& number) const
{
    return STAmount{*this, number};
}
 
std::string
to_string(Asset const& asset)
{
    return std::visit([&](auto const& issue) { return to_string(issue); }, asset.value());
}
 
bool
validJSONAsset(json::Value const& jv)
{
    if (jv.isMember(jss::mpt_issuance_id))
        return !(jv.isMember(jss::currency) || jv.isMember(jss::issuer));
    return jv.isMember(jss::currency);
}
 
Asset
assetFromJson(json::Value const& v)
{
    if (!v.isMember(jss::currency) && !v.isMember(jss::mpt_issuance_id))
        Throw<std::runtime_error>("assetFromJson must contain currency or mpt_issuance_id");
 
    if (v.isMember(jss::currency))
        return issueFromJson(v);
    return mptIssueFromJson(v);
}
 
std::ostream&
operator<<(std::ostream& os, Asset const& x)
{
    std::visit([&]<ValidIssueType TIss>(TIss const& issue) { os << issue; }, x.value());
    return os;
}
 
}  // namespace xrpl