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Add support for Price Oracle in ledger_entry (#1287)

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Fixes #1277
This commit is contained in:
Alex Kremer
2024-03-22 16:51:06 +00:00
committed by GitHub
parent b7d0fc0200
commit 27a422369d
8 changed files with 400 additions and 28 deletions
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59
unittests/util/TestObject.cpp
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@@ -1025,3 +1025,62 @@ CreateLPTCurrency(std::string_view assetCurrency, std::string_view asset2Currenc
ripple::to_currency(std::string(assetCurrency)), ripple::to_currency(std::string(asset2Currency))
);
}
ripple::STObject
CreateOraclePriceData(
uint64_t assetPrice,
ripple::Currency baseAssetCurrency,
ripple::Currency quoteAssetCurrency,
uint8_t scale
)
{
auto priceData = ripple::STObject(ripple::sfPriceData);
priceData.setFieldU64(ripple::sfAssetPrice, assetPrice);
priceData.setFieldCurrency(ripple::sfBaseAsset, ripple::STCurrency{ripple::sfBaseAsset, baseAssetCurrency});
priceData.setFieldCurrency(ripple::sfQuoteAsset, ripple::STCurrency{ripple::sfQuoteAsset, quoteAssetCurrency});
priceData.setFieldU8(ripple::sfScale, scale);
return priceData;
}
ripple::STArray
CreatePriceDataSeries(std::vector<ripple::STObject> const& series)
{
auto priceDataSeries = ripple::STArray{series.size()};
for (auto& data : series) {
auto serializer = data.getSerializer();
priceDataSeries.add(serializer);
}
return priceDataSeries;
}
ripple::STObject
CreateOracleObject(
std::string_view accountId,
std::string_view provider,
uint64_t ownerNode,
uint32_t lastUpdateTime,
ripple::Blob uri,
ripple::Blob assetClass,
uint32_t previousTxSeq,
ripple::uint256 previousTxId,
ripple::STArray priceDataSeries
)
{
auto ledgerObject = ripple::STObject(ripple::sfLedgerEntry);
ledgerObject.setFieldU16(ripple::sfLedgerEntryType, ripple::ltORACLE);
ledgerObject.setFieldU32(ripple::sfFlags, 0);
ledgerObject.setAccountID(ripple::sfOwner, GetAccountIDWithString(accountId));
ledgerObject.setFieldVL(ripple::sfProvider, ripple::Blob{provider.begin(), provider.end()});
ledgerObject.setFieldU64(ripple::sfOwnerNode, ownerNode);
ledgerObject.setFieldU32(ripple::sfLastUpdateTime, lastUpdateTime);
ledgerObject.setFieldVL(ripple::sfURI, uri);
ledgerObject.setFieldVL(ripple::sfAssetClass, assetClass);
ledgerObject.setFieldU32(ripple::sfPreviousTxnLgrSeq, previousTxSeq);
ledgerObject.setFieldH256(ripple::sfPreviousTxnID, previousTxId);
ledgerObject.setFieldArray(ripple::sfPriceDataSeries, priceDataSeries);
return ledgerObject;
}