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feat: Implement MPT changes (#1147)

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Implements https://github.com/XRPLF/XRPL-Standards/tree/master/XLS-0033d-multi-purpose-tokens
This commit is contained in:
Shawn Xie
2024-11-11 11:02:02 -05:00
committed by GitHub
parent 891fd1e7bf
commit 6b61984e0e
34 changed files with 1797 additions and 12 deletions
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78
src/etl/MPTHelpers.cpp Normal file
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//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2024, 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 "data/BackendInterface.hpp"
#include "data/DBHelpers.hpp"
#include "data/Types.hpp"
#include <fmt/core.h>
#include <ripple/protocol/STBase.h>
#include <ripple/protocol/STTx.h>
#include <ripple/protocol/TxMeta.h>
#include <vector>
namespace etl {
/**
* @brief Get the MPToken created from a transaction
*
* @param txMeta Transaction metadata
* @return MPT and holder account pair
*/
static std::optional<MPTHolderData>
getMPTokenAuthorize(ripple::TxMeta const& txMeta)
{
for (ripple::STObject const& node : txMeta.getNodes()) {
if (node.getFieldU16(ripple::sfLedgerEntryType) != ripple::ltMPTOKEN)
continue;
if (node.getFName() == ripple::sfCreatedNode) {
auto const& newMPT = node.peekAtField(ripple::sfNewFields).downcast<ripple::STObject>();
return MPTHolderData{newMPT[ripple::sfMPTokenIssuanceID], newMPT.getAccountID(ripple::sfAccount)};
}
}
return {};
}
std::optional<MPTHolderData>
getMPTHolderFromTx(ripple::TxMeta const& txMeta, ripple::STTx const& sttx)
{
if (txMeta.getResultTER() != ripple::tesSUCCESS || sttx.getTxnType() != ripple::TxType::ttMPTOKEN_AUTHORIZE)
return {};
return getMPTokenAuthorize(txMeta);
}
std::optional<MPTHolderData>
getMPTHolderFromObj(std::string const& key, std::string const& blob)
{
ripple::STLedgerEntry const sle =
ripple::STLedgerEntry(ripple::SerialIter{blob.data(), blob.size()}, ripple::uint256::fromVoid(key.data()));
if (sle.getFieldU16(ripple::sfLedgerEntryType) != ripple::ltMPTOKEN)
return {};
auto const mptIssuanceID = sle[ripple::sfMPTokenIssuanceID];
auto const holder = sle.getAccountID(ripple::sfAccount);
return MPTHolderData{mptIssuanceID, holder};
}
} // namespace etl