Files
rippled/src/ripple/app/ledger/ConsensusTransSetSF.cpp
2015-08-18 11:16:18 -07:00

99 lines
3.4 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 <BeastConfig.h>
#include <ripple/app/ledger/ConsensusTransSetSF.h>
#include <ripple/app/main/Application.h>
#include <ripple/app/misc/NetworkOPs.h>
#include <ripple/app/tx/TransactionMaster.h>
#include <ripple/basics/Log.h>
#include <ripple/protocol/digest.h>
#include <ripple/core/JobQueue.h>
#include <ripple/nodestore/Database.h>
#include <ripple/protocol/HashPrefix.h>
namespace ripple {
ConsensusTransSetSF::ConsensusTransSetSF (NodeCache& nodeCache)
: m_nodeCache (nodeCache)
{
}
void ConsensusTransSetSF::gotNode (
bool fromFilter, const SHAMapNodeID& id, uint256 const& nodeHash,
Blob& nodeData, SHAMapTreeNode::TNType type)
{
if (fromFilter)
return;
m_nodeCache.insert (nodeHash, nodeData);
if ((type == SHAMapTreeNode::tnTRANSACTION_NM) && (nodeData.size () > 16))
{
// this is a transaction, and we didn't have it
WriteLog (lsDEBUG, TransactionAcquire)
<< "Node on our acquiring TX set is TXN we may not have";
try
{
// skip prefix
Serializer s (nodeData.data() + 4, nodeData.size() - 4);
SerialIter sit (s.slice());
STTx::pointer stx = std::make_shared<STTx> (std::ref (sit));
assert (stx->getTransactionID () == nodeHash);
getApp().getJobQueue ().addJob (
jtTRANSACTION, "TXS->TXN",
std::bind (&NetworkOPs::submitTransaction, &getApp().getOPs (),
std::placeholders::_1, stx));
}
catch (...)
{
WriteLog (lsWARNING, TransactionAcquire)
<< "Fetched invalid transaction in proposed set";
}
}
}
bool ConsensusTransSetSF::haveNode (
const SHAMapNodeID& id, uint256 const& nodeHash, Blob& nodeData)
{
if (m_nodeCache.retrieve (nodeHash, nodeData))
return true;
// VFALCO TODO Use a dependency injection here
auto txn = getApp().getMasterTransaction().fetch(nodeHash, false);
if (txn)
{
// this is a transaction, and we have it
WriteLog (lsTRACE, TransactionAcquire)
<< "Node in our acquiring TX set is TXN we have";
Serializer s;
s.add32 (HashPrefix::transactionID);
txn->getSTransaction ()->add (s);
assert(sha512Half(s.slice()) == nodeHash);
nodeData = s.peekData ();
return true;
}
return false;
}
} // ripple