Files
clio/src/rpc/handlers/AccountMPTokenIssuances.cpp
2025-10-30 11:20:32 +00:00

236 lines
8.3 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2025, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include "rpc/handlers/AccountMPTokenIssuances.hpp"
#include "rpc/Errors.hpp"
#include "rpc/JS.hpp"
#include "rpc/RPCHelpers.hpp"
#include "rpc/common/Types.hpp"
#include "util/Assert.hpp"
#include "util/JsonUtils.hpp"
#include <boost/json/conversion.hpp>
#include <boost/json/object.hpp>
#include <boost/json/value.hpp>
#include <boost/json/value_to.hpp>
#include <xrpl/basics/strHex.h>
#include <xrpl/protocol/AccountID.h>
#include <xrpl/protocol/Indexes.h>
#include <xrpl/protocol/LedgerFormats.h>
#include <xrpl/protocol/LedgerHeader.h>
#include <xrpl/protocol/SField.h>
#include <xrpl/protocol/STLedgerEntry.h>
#include <xrpl/protocol/jss.h>
#include <cstdint>
#include <optional>
#include <string>
#include <utility>
#include <vector>
namespace rpc {
void
AccountMPTokenIssuancesHandler::addMPTokenIssuance(
std::vector<MPTokenIssuanceResponse>& issuances,
ripple::SLE const& sle,
ripple::AccountID const& account
)
{
MPTokenIssuanceResponse issuance;
issuance.issuer = ripple::to_string(account);
issuance.sequence = sle.getFieldU32(ripple::sfSequence);
auto const flags = sle.getFieldU32(ripple::sfFlags);
auto const setFlag = [&](std::optional<bool>& field, std::uint32_t mask) {
if ((flags & mask) != 0u)
field = true;
};
setFlag(issuance.mptLocked, ripple::lsfMPTLocked);
setFlag(issuance.mptCanLock, ripple::lsfMPTCanLock);
setFlag(issuance.mptRequireAuth, ripple::lsfMPTRequireAuth);
setFlag(issuance.mptCanEscrow, ripple::lsfMPTCanEscrow);
setFlag(issuance.mptCanTrade, ripple::lsfMPTCanTrade);
setFlag(issuance.mptCanTransfer, ripple::lsfMPTCanTransfer);
setFlag(issuance.mptCanClawback, ripple::lsfMPTCanClawback);
if (sle.isFieldPresent(ripple::sfTransferFee))
issuance.transferFee = sle.getFieldU16(ripple::sfTransferFee);
if (sle.isFieldPresent(ripple::sfAssetScale))
issuance.assetScale = sle.getFieldU8(ripple::sfAssetScale);
if (sle.isFieldPresent(ripple::sfMaximumAmount))
issuance.maximumAmount = sle.getFieldU64(ripple::sfMaximumAmount);
if (sle.isFieldPresent(ripple::sfOutstandingAmount))
issuance.outstandingAmount = sle.getFieldU64(ripple::sfOutstandingAmount);
if (sle.isFieldPresent(ripple::sfLockedAmount))
issuance.lockedAmount = sle.getFieldU64(ripple::sfLockedAmount);
if (sle.isFieldPresent(ripple::sfMPTokenMetadata))
issuance.mptokenMetadata = ripple::strHex(sle.getFieldVL(ripple::sfMPTokenMetadata));
if (sle.isFieldPresent(ripple::sfDomainID))
issuance.domainID = ripple::strHex(sle.getFieldH256(ripple::sfDomainID));
issuances.push_back(issuance);
}
AccountMPTokenIssuancesHandler::Result
AccountMPTokenIssuancesHandler::process(AccountMPTokenIssuancesHandler::Input const& input, Context const& ctx) const
{
auto const range = sharedPtrBackend_->fetchLedgerRange();
ASSERT(range.has_value(), "AccountMPTokenIssuances' ledger range must be available");
auto const expectedLgrInfo = getLedgerHeaderFromHashOrSeq(
*sharedPtrBackend_, ctx.yield, input.ledgerHash, input.ledgerIndex, range->maxSequence
);
if (!expectedLgrInfo.has_value())
return Error{expectedLgrInfo.error()};
auto const& lgrInfo = expectedLgrInfo.value();
auto const accountID = accountFromStringStrict(input.account);
auto const accountLedgerObject =
sharedPtrBackend_->fetchLedgerObject(ripple::keylet::account(*accountID).key, lgrInfo.seq, ctx.yield);
if (not accountLedgerObject.has_value())
return Error{Status{RippledError::rpcACT_NOT_FOUND}};
Output response;
response.issuances.reserve(input.limit);
auto const addToResponse = [&](ripple::SLE const& sle) {
if (sle.getType() == ripple::ltMPTOKEN_ISSUANCE) {
addMPTokenIssuance(response.issuances, sle, *accountID);
}
};
auto const expectedNext = traverseOwnedNodes(
*sharedPtrBackend_, *accountID, lgrInfo.seq, input.limit, input.marker, ctx.yield, addToResponse
);
if (!expectedNext.has_value())
return Error{expectedNext.error()};
auto const nextMarker = expectedNext.value();
response.account = input.account;
response.limit = input.limit;
response.ledgerHash = ripple::strHex(lgrInfo.hash);
response.ledgerIndex = lgrInfo.seq;
if (nextMarker.isNonZero())
response.marker = nextMarker.toString();
return response;
}
AccountMPTokenIssuancesHandler::Input
tag_invoke(boost::json::value_to_tag<AccountMPTokenIssuancesHandler::Input>, boost::json::value const& jv)
{
auto input = AccountMPTokenIssuancesHandler::Input{};
auto const& jsonObject = jv.as_object();
input.account = boost::json::value_to<std::string>(jv.at(JS(account)));
if (jsonObject.contains(JS(limit)))
input.limit = util::integralValueAs<uint32_t>(jv.at(JS(limit)));
if (jsonObject.contains(JS(marker)))
input.marker = boost::json::value_to<std::string>(jv.at(JS(marker)));
if (jsonObject.contains(JS(ledger_hash)))
input.ledgerHash = boost::json::value_to<std::string>(jv.at(JS(ledger_hash)));
if (jsonObject.contains(JS(ledger_index))) {
if (!jsonObject.at(JS(ledger_index)).is_string()) {
input.ledgerIndex = util::integralValueAs<uint32_t>(jv.at(JS(ledger_index)));
} else if (jsonObject.at(JS(ledger_index)).as_string() != "validated") {
input.ledgerIndex = std::stoi(boost::json::value_to<std::string>(jv.at(JS(ledger_index))));
}
}
return input;
}
void
tag_invoke(boost::json::value_from_tag, boost::json::value& jv, AccountMPTokenIssuancesHandler::Output const& output)
{
using boost::json::value_from;
auto obj = boost::json::object{
{JS(account), output.account},
{JS(ledger_hash), output.ledgerHash},
{JS(ledger_index), output.ledgerIndex},
{JS(validated), output.validated},
{JS(limit), output.limit},
{"mpt_issuances", value_from(output.issuances)},
};
if (output.marker.has_value())
obj[JS(marker)] = *output.marker;
jv = std::move(obj);
}
void
tag_invoke(
boost::json::value_from_tag,
boost::json::value& jv,
AccountMPTokenIssuancesHandler::MPTokenIssuanceResponse const& issuance
)
{
auto obj = boost::json::object{
{JS(issuer), issuance.issuer},
{JS(sequence), issuance.sequence},
};
auto const setIfPresent = [&](boost::json::string_view field, auto const& value) {
if (value.has_value()) {
obj[field] = *value;
}
};
setIfPresent("transfer_fee", issuance.transferFee);
setIfPresent("asset_scale", issuance.assetScale);
setIfPresent("maximum_amount", issuance.maximumAmount);
setIfPresent("outstanding_amount", issuance.outstandingAmount);
setIfPresent("locked_amount", issuance.lockedAmount);
setIfPresent("mptoken_metadata", issuance.mptokenMetadata);
setIfPresent("domain_id", issuance.domainID);
setIfPresent("mpt_locked", issuance.mptLocked);
setIfPresent("mpt_can_lock", issuance.mptCanLock);
setIfPresent("mpt_require_auth", issuance.mptRequireAuth);
setIfPresent("mpt_can_escrow", issuance.mptCanEscrow);
setIfPresent("mpt_can_trade", issuance.mptCanTrade);
setIfPresent("mpt_can_transfer", issuance.mptCanTransfer);
setIfPresent("mpt_can_clawback", issuance.mptCanClawback);
jv = std::move(obj);
}
} // namespace rpc