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rippled/include/xrpl/shamap/SHAMapTxPlusMetaLeafNode.h

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1.8 KiB
C++

#ifndef XRPL_SHAMAP_SHAMAPLEAFTXPLUSMETANODE_H_INCLUDED
#define XRPL_SHAMAP_SHAMAPLEAFTXPLUSMETANODE_H_INCLUDED
#include <xrpl/basics/CountedObject.h>
#include <xrpl/protocol/HashPrefix.h>
#include <xrpl/protocol/digest.h>
#include <xrpl/shamap/SHAMapItem.h>
#include <xrpl/shamap/SHAMapLeafNode.h>
namespace ripple {
/** A leaf node for a transaction and its associated metadata. */
class SHAMapTxPlusMetaLeafNode final
: public SHAMapLeafNode,
public CountedObject<SHAMapTxPlusMetaLeafNode>
{
public:
SHAMapTxPlusMetaLeafNode(
boost::intrusive_ptr<SHAMapItem const> item,
std::uint32_t cowid)
: SHAMapLeafNode(std::move(item), cowid)
{
updateHash();
}
SHAMapTxPlusMetaLeafNode(
boost::intrusive_ptr<SHAMapItem const> item,
std::uint32_t cowid,
SHAMapHash const& hash)
: SHAMapLeafNode(std::move(item), cowid, hash)
{
}
intr_ptr::SharedPtr<SHAMapTreeNode>
clone(std::uint32_t cowid) const override
{
return intr_ptr::make_shared<SHAMapTxPlusMetaLeafNode>(
item_, cowid, hash_);
}
SHAMapNodeType
getType() const override
{
return SHAMapNodeType::tnTRANSACTION_MD;
}
void
updateHash() final override
{
hash_ = SHAMapHash{
sha512Half(HashPrefix::txNode, item_->slice(), item_->key())};
}
void
serializeForWire(Serializer& s) const final override
{
s.addRaw(item_->slice());
s.addBitString(item_->key());
s.add8(wireTypeTransactionWithMeta);
}
void
serializeWithPrefix(Serializer& s) const final override
{
s.add32(HashPrefix::txNode);
s.addRaw(item_->slice());
s.addBitString(item_->key());
}
};
} // namespace ripple
#endif