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Use mismatch in getNFTokenMintData (#774)

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This commit is contained in:
Shawn Xie
2023-07-17 17:09:15 -04:00
committed by GitHub
parent b8705ae086
commit 12178abf4d
1 changed files with 14 additions and 14 deletions
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28
src/etl/NFTHelpers.cpp
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@@ -25,6 +25,7 @@
#include <backend/BackendInterface.h>
#include <backend/DBHelpers.h>
#include <backend/Types.h>
#include <fmt/core.h>
std::pair<std::vector<NFTTransactionsData>, std::optional<NFTsData>>
getNFTokenMintData(ripple::TxMeta const& txMeta, ripple::STTx const& sttx)
@@ -95,21 +96,20 @@ getNFTokenMintData(ripple::TxMeta const& txMeta, ripple::STTx const& sttx)
std::sort(finalIDs.begin(), finalIDs.end());
std::sort(prevIDs.begin(), prevIDs.end());
std::vector<ripple::uint256> tokenIDResult;
std::set_difference(
finalIDs.begin(),
finalIDs.end(),
prevIDs.begin(),
prevIDs.end(),
std::inserter(tokenIDResult, tokenIDResult.begin()));
if (tokenIDResult.size() == 1 && owner)
return {
{NFTTransactionsData(tokenIDResult.front(), txMeta, sttx.getTransactionID())},
NFTsData(tokenIDResult.front(), *owner, sttx.getFieldVL(ripple::sfURI), txMeta)};
std::stringstream msg;
msg << " - unexpected NFTokenMint data in tx " << sttx.getTransactionID();
throw std::runtime_error(msg.str());
// Find the first NFT ID that doesn't match. We're looking for an
// added NFT, so the one we want will be the mismatch in finalIDs.
auto const diff = std::mismatch(finalIDs.begin(), finalIDs.end(), prevIDs.begin(), prevIDs.end());
// There should always be a difference so the returned finalIDs
// iterator should never be end(). But better safe than sorry.
if (finalIDs.size() != prevIDs.size() + 1 || diff.first == finalIDs.end() || !owner)
throw std::runtime_error(
fmt::format(" - unexpected NFTokenMint data in tx {}", strHex(sttx.getTransactionID())));
return {
{NFTTransactionsData(*diff.first, txMeta, sttx.getTransactionID())},
NFTsData(*diff.first, *owner, sttx.getFieldVL(ripple::sfURI), txMeta)};
}
std::pair<std::vector<NFTTransactionsData>, std::optional<NFTsData>>