mirror of
https://github.com/Xahau/xahaud.git
synced 2026-06-04 01:06:37 +00:00
158 lines
4.1 KiB
C++
158 lines
4.1 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of rippled: https://github.com/ripple/rippled
|
|
Copyright (c) 2012, 2013 Ripple Labs Inc.
|
|
|
|
Permission to use, copy, modify, and/or 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 <ripple/basics/Log.h>
|
|
#include <ripple/basics/contract.h>
|
|
#include <ripple/basics/safe_cast.h>
|
|
#include <ripple/json/to_string.h>
|
|
#include <ripple/protocol/Indexes.h>
|
|
#include <ripple/protocol/STLedgerEntry.h>
|
|
#include <ripple/protocol/jss.h>
|
|
#include <boost/format.hpp>
|
|
#include <limits>
|
|
|
|
namespace ripple {
|
|
|
|
STLedgerEntry::STLedgerEntry(Keylet const& k)
|
|
: STObject(sfLedgerEntry), key_(k.key), type_(k.type)
|
|
{
|
|
auto const format = LedgerFormats::getInstance().findByType(type_);
|
|
|
|
if (format == nullptr)
|
|
Throw<std::runtime_error>(
|
|
"Attempt to create a SLE of unknown type " +
|
|
std::to_string(safe_cast<std::uint16_t>(k.type)));
|
|
|
|
set(format->getSOTemplate());
|
|
|
|
setFieldU16(sfLedgerEntryType, static_cast<std::uint16_t>(type_));
|
|
}
|
|
|
|
STLedgerEntry::STLedgerEntry(SerialIter& sit, uint256 const& index)
|
|
: STObject(sfLedgerEntry), key_(index)
|
|
{
|
|
set(sit);
|
|
setSLEType();
|
|
}
|
|
|
|
STLedgerEntry::STLedgerEntry(STObject const& object, uint256 const& index)
|
|
: STObject(object), key_(index)
|
|
{
|
|
setSLEType();
|
|
}
|
|
|
|
void
|
|
STLedgerEntry::setSLEType()
|
|
{
|
|
auto format = LedgerFormats::getInstance().findByType(
|
|
safe_cast<LedgerEntryType>(getFieldU16(sfLedgerEntryType)));
|
|
|
|
if (format == nullptr)
|
|
Throw<std::runtime_error>("invalid ledger entry type");
|
|
|
|
type_ = format->getType();
|
|
applyTemplate(format->getSOTemplate()); // May throw
|
|
}
|
|
|
|
std::string
|
|
STLedgerEntry::getFullText() const
|
|
{
|
|
auto const format = LedgerFormats::getInstance().findByType(type_);
|
|
|
|
if (format == nullptr)
|
|
Throw<std::runtime_error>("invalid ledger entry type");
|
|
|
|
std::string ret = "\"";
|
|
ret += to_string(key_);
|
|
ret += "\" = { ";
|
|
ret += format->getName();
|
|
ret += ", ";
|
|
ret += STObject::getFullText();
|
|
ret += "}";
|
|
return ret;
|
|
}
|
|
|
|
STBase*
|
|
STLedgerEntry::copy(std::size_t n, void* buf) const
|
|
{
|
|
return emplace(n, buf, *this);
|
|
}
|
|
|
|
STBase*
|
|
STLedgerEntry::move(std::size_t n, void* buf)
|
|
{
|
|
return emplace(n, buf, std::move(*this));
|
|
}
|
|
|
|
SerializedTypeID
|
|
STLedgerEntry::getSType() const
|
|
{
|
|
return STI_LEDGERENTRY;
|
|
}
|
|
|
|
std::string
|
|
STLedgerEntry::getText() const
|
|
{
|
|
return str(
|
|
boost::format("{ %s, %s }") % to_string(key_) % STObject::getText());
|
|
}
|
|
|
|
Json::Value
|
|
STLedgerEntry::getJson(JsonOptions options) const
|
|
{
|
|
Json::Value ret(STObject::getJson(options));
|
|
|
|
ret[jss::index] = to_string(key_);
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool
|
|
STLedgerEntry::isThreadedType() const
|
|
{
|
|
return getFieldIndex(sfPreviousTxnID) != -1;
|
|
}
|
|
|
|
bool
|
|
STLedgerEntry::thread(
|
|
uint256 const& txID,
|
|
std::uint32_t ledgerSeq,
|
|
uint256& prevTxID,
|
|
std::uint32_t& prevLedgerID)
|
|
{
|
|
uint256 oldPrevTxID = getFieldH256(sfPreviousTxnID);
|
|
|
|
JLOG(debugLog().info()) << "Thread Tx:" << txID << " prev:" << oldPrevTxID;
|
|
|
|
if (oldPrevTxID == txID)
|
|
{
|
|
// this transaction is already threaded
|
|
assert(getFieldU32(sfPreviousTxnLgrSeq) == ledgerSeq);
|
|
return false;
|
|
}
|
|
|
|
prevTxID = oldPrevTxID;
|
|
prevLedgerID = getFieldU32(sfPreviousTxnLgrSeq);
|
|
setFieldH256(sfPreviousTxnID, txID);
|
|
setFieldU32(sfPreviousTxnLgrSeq, ledgerSeq);
|
|
return true;
|
|
}
|
|
|
|
} // namespace ripple
|