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InboundLedger.cpp
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//------------------------------------------------------------------------------
/*
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/overlay/Overlay.h>
#include <ripple/nodestore/Database.h>
namespace ripple {
//SETUP_LOG (InboundLedger)
template <> char const* LogPartition::getPartitionName <InboundLedger> () { return "InLedger"; }
enum
{
// millisecond for each ledger timeout
ledgerAcquireTimeoutMillis = 2500
// how many timeouts before we giveup
,ledgerTimeoutRetriesMax = 10
// how many timeouts before we get aggressive
,ledgerBecomeAggressiveThreshold = 6
};
InboundLedger::InboundLedger (uint256 const& hash, std::uint32_t seq, fcReason reason,
clock_type& clock)
: PeerSet (hash, ledgerAcquireTimeoutMillis, false, clock,
LogPartition::getJournal <InboundLedger> ())
, mHaveBase (false)
, mHaveState (false)
, mHaveTransactions (false)
, mAborted (false)
, mSignaled (false)
, mByHash (true)
, mSeq (seq)
, mReason (reason)
, mReceiveDispatched (false)
{
if (m_journal.trace) m_journal.trace <<
"Acquiring ledger " << mHash;
}
bool InboundLedger::checkLocal ()
{
ScopedLockType sl (mLock);
if (!isDone () && tryLocal())
{
done();
return true;
}
return false;
}
InboundLedger::~InboundLedger ()
{
// Save any received AS data not processed. It could be useful
// for populating a different ledger
BOOST_FOREACH (PeerDataPairType& entry, mReceivedData)
{
if (entry.second->type () == protocol::liAS_NODE)
getApp().getInboundLedgers().gotStaleData(entry.second);
}
}
void InboundLedger::init (ScopedLockType& collectionLock)
{
ScopedLockType sl (mLock);
collectionLock.unlock ();
if (!tryLocal ())
{
addPeers ();
setTimer ();
// For historical nodes, wait a bit since a
// fetch pack is probably coming
if (mReason != fcHISTORY)
trigger (Peer::ptr ());
}
else if (!isFailed ())
{
if (m_journal.debug) m_journal.debug <<
"Acquiring ledger we already have locally: " << getHash ();
mLedger->setClosed ();
mLedger->setImmutable ();
getApp ().getLedgerMaster ().storeLedger (mLedger);
// Check if this could be a newer fully-validated ledger
if ((mReason == fcVALIDATION) || (mReason == fcCURRENT) || (mReason == fcCONSENSUS))
getApp ().getLedgerMaster ().checkAccept (mLedger);
}
}
/** See how much of the ledger data, if any, is
in our node store
*/
bool InboundLedger::tryLocal ()
{
// return value: true = no more work to do
if (!mHaveBase)
{
// Nothing we can do without the ledger base
NodeObject::pointer node = getApp().getNodeStore ().fetch (mHash);
if (!node)
{
Blob data;
if (!getApp().getOPs ().getFetchPack (mHash, data))
return false;
if (m_journal.trace) m_journal.trace <<
"Ledger base found in fetch pack";
mLedger = std::make_shared<Ledger> (data, true);
getApp().getNodeStore ().store (hotLEDGER,
mLedger->getLedgerSeq (), std::move (data), mHash);
}
else
{
mLedger = std::make_shared<Ledger> (
strCopy (node->getData ()), true);
}
if (mLedger->getHash () != mHash)
{
// We know for a fact the ledger can never be acquired
if (m_journal.warning) m_journal.warning <<
mHash << " cannot be a ledger";
mFailed = true;
return true;
}
mHaveBase = true;
}
if (!mHaveTransactions)
{
if (mLedger->getTransHash ().isZero ())
{
if (m_journal.trace) m_journal.trace <<
"No TXNs to fetch";
mHaveTransactions = true;
}
else
{
TransactionStateSF filter (mLedger->getLedgerSeq ());
if (mLedger->peekTransactionMap ()->fetchRoot (
mLedger->getTransHash (), &filter))
{
std::vector<uint256> h (mLedger->getNeededTransactionHashes (
1, &filter));
if (h.empty ())
{
if (m_journal.trace) m_journal.trace <<
"Had full txn map locally";
mHaveTransactions = true;
}
}
}
}
if (!mHaveState)
{
if (mLedger->getAccountHash ().isZero ())
{
if (m_journal.fatal) m_journal.fatal <<
"We are acquiring a ledger with a zero account hash";
mFailed = true;
return true;
}
else
{
AccountStateSF filter (mLedger->getLedgerSeq ());
if (mLedger->peekAccountStateMap ()->fetchRoot (
mLedger->getAccountHash (), &filter))
{
std::vector<uint256> h (mLedger->getNeededAccountStateHashes (
1, &filter));
if (h.empty ())
{
if (m_journal.trace) m_journal.trace <<
"Had full AS map locally";
mHaveState = true;
}
}
}
}
if (mHaveTransactions && mHaveState)
{
if (m_journal.debug) m_journal.debug <<
"Had everything locally";
mComplete = true;
mLedger->setClosed ();
mLedger->setImmutable ();
}
return mComplete;
}
/** Called with a lock by the PeerSet when the timer expires
*/
void InboundLedger::onTimer (bool wasProgress, ScopedLockType&)
{
mRecentTXNodes.clear ();
mRecentASNodes.clear ();
if (isDone())
{
if (m_journal.info) m_journal.info <<
"Already done " << mHash;
return;
}
if (getTimeouts () > ledgerTimeoutRetriesMax)
{
if (mSeq != 0)
{
if (m_journal.warning) m_journal.warning <<
getTimeouts() << " timeouts for ledger " << mSeq;
}
else
{
if (m_journal.warning) m_journal.warning <<
getTimeouts() << " timeouts for ledger " << mHash;
}
setFailed ();
done ();
return;
}
if (!wasProgress)
{
checkLocal();
mAggressive = true;
mByHash = true;
std::size_t pc = getPeerCount ();
WriteLog (lsDEBUG, InboundLedger) <<
"No progress(" << pc <<
") for ledger " << mHash;
trigger (Peer::ptr ());
if (pc < 4)
addPeers ();
}
}
/** Add more peers to the set, if possible */
void InboundLedger::addPeers ()
{
Overlay::PeerSequence peerList = getApp().overlay ().getActivePeers ();
int vSize = peerList.size ();
if (vSize == 0)
{
WriteLog (lsERROR, InboundLedger) <<
"No peers to add for ledger acquisition";
return;
}
// FIXME-NIKB why are we doing this convoluted thing here instead of simply
// shuffling this vector and then pulling however many entries we need?
// We traverse the peer list in random order so as not to favor
// any particular peer
//
// VFALCO Use random_shuffle
// http://en.cppreference.com/w/cpp/algorithm/random_shuffle
//
int firstPeer = rand () % vSize;
int found = 0;
// First look for peers that are likely to have this ledger
for (int i = 0; i < vSize; ++i)
{
Peer::ptr const& peer = peerList[ (i + firstPeer) % vSize];
if (peer->hasLedger (getHash (), mSeq))
{
if (peerHas (peer) && (++found > 6))
break;
}
}
if (!found)
{ // Oh well, try some random peers
for (int i = 0; (i < 6) && (i < vSize); ++i)
{
if (peerHas (peerList[ (i + firstPeer) % vSize]))
++found;
}
if (mSeq != 0)
{
if (m_journal.debug) m_journal.debug <<
"Chose " << found << " peer(s) for ledger " << mSeq;
}
else
{
if (m_journal.debug) m_journal.debug <<
"Chose " << found << " peer(s) for ledger " <<
to_string (getHash ());
}
}
else if (mSeq != 0)
{
if (m_journal.debug) m_journal.debug <<
"Found " << found << " peer(s) with ledger " << mSeq;
}
else
{
if (m_journal.debug) m_journal.debug <<
"Found " << found << " peer(s) with ledger " <<
to_string (getHash ());
}
}
std::weak_ptr<PeerSet> InboundLedger::pmDowncast ()
{
return std::dynamic_pointer_cast<PeerSet> (shared_from_this ());
}
/** Dispatch acquire completion
*/
static void LADispatch (
Job& job,
InboundLedger::pointer la,
std::vector< std::function<void (InboundLedger::pointer)> > trig)
{
if (la->isComplete() && !la->isFailed())
{
getApp().getLedgerMaster().checkAccept(la->getLedger());
getApp().getLedgerMaster().tryAdvance();
}
for (unsigned int i = 0; i < trig.size (); ++i)
trig[i] (la);
}
void InboundLedger::done ()
{
if (mSignaled)
return;
mSignaled = true;
touch ();
if (m_journal.trace) m_journal.trace <<
"Done acquiring ledger " << mHash;
assert (isComplete () || isFailed ());
std::vector< std::function<void (InboundLedger::pointer)> > triggers;
{
ScopedLockType sl (mLock);
triggers.swap (mOnComplete);
}
if (isComplete () && !isFailed () && mLedger)
{
mLedger->setClosed ();
mLedger->setImmutable ();
getApp().getLedgerMaster ().storeLedger (mLedger);
}
else
getApp().getInboundLedgers ().logFailure (mHash);
// We hold the PeerSet lock, so must dispatch
getApp().getJobQueue ().addJob (jtLEDGER_DATA, "triggers",
std::bind (LADispatch, std::placeholders::_1, shared_from_this (),
triggers));
}
bool InboundLedger::addOnComplete (
std::function <void (InboundLedger::pointer)> triggerFunc)
{
ScopedLockType sl (mLock);
if (isDone ())
return false;
mOnComplete.push_back (triggerFunc);
return true;
}
/** Request more nodes, perhaps from a specific peer
*/
void InboundLedger::trigger (Peer::ptr const& peer)
{
ScopedLockType sl (mLock);
if (isDone ())
{
if (m_journal.debug) m_journal.debug <<
"Trigger on ledger: " << mHash << (mAborted ? " aborted" : "") <<
(mComplete ? " completed" : "") << (mFailed ? " failed" : "");
return;
}
if (m_journal.trace)
{
if (peer)
m_journal.trace <<
"Trigger acquiring ledger " << mHash << " from " << peer;
else
m_journal.trace <<
"Trigger acquiring ledger " << mHash;
if (mComplete || mFailed)
m_journal.trace <<
"complete=" << mComplete << " failed=" << mFailed;
else
m_journal.trace <<
"base=" << mHaveBase << " tx=" << mHaveTransactions <<
" as=" << mHaveState;
}
if (!mHaveBase)
{
tryLocal ();
if (mFailed)
{
if (m_journal.warning) m_journal.warning <<
" failed local for " << mHash;
return;
}
}
protocol::TMGetLedger tmGL;
tmGL.set_ledgerhash (mHash.begin (), mHash.size ());
if (getTimeouts () != 0)
{ // Be more aggressive if we've timed out at least once
tmGL.set_querytype (protocol::qtINDIRECT);
if (!isProgress () && !mFailed && mByHash && (
getTimeouts () > ledgerBecomeAggressiveThreshold))
{
std::vector<neededHash_t> need = getNeededHashes ();
if (!need.empty ())
{
protocol::TMGetObjectByHash tmBH;
tmBH.set_query (true);
tmBH.set_ledgerhash (mHash.begin (), mHash.size ());
bool typeSet = false;
BOOST_FOREACH (neededHash_t & p, need)
{
if (m_journal.warning) m_journal.warning
<< "Want: " << p.second;
if (!typeSet)
{
tmBH.set_type (p.first);
typeSet = true;
}
if (p.first == tmBH.type ())
{
protocol::TMIndexedObject* io = tmBH.add_objects ();
io->set_hash (p.second.begin (), p.second.size ());
}
}
Message::pointer packet (std::make_shared <Message> (
tmBH, protocol::mtGET_OBJECTS));
{
ScopedLockType sl (mLock);
for (PeerSetMap::iterator it = mPeers.begin (), end = mPeers.end ();
it != end; ++it)
{
Peer::ptr iPeer (
getApp().overlay ().findPeerByShortID (it->first));
if (iPeer)
{
mByHash = false;
iPeer->send (packet);
}
}
}
if (m_journal.info) m_journal.info <<
"Attempting by hash fetch for ledger " << mHash;
}
else
{
if (m_journal.info) m_journal.info <<
"getNeededHashes says acquire is complete";
mHaveBase = true;
mHaveTransactions = true;
mHaveState = true;
mComplete = true;
}
}
}
// We can't do much without the base data because we don't know the
// state or transaction root hashes.
if (!mHaveBase && !mFailed)
{
tmGL.set_itype (protocol::liBASE);
if (m_journal.trace) m_journal.trace <<
"Sending base request to " << (peer ? "selected peer" : "all peers");
sendRequest (tmGL, peer);
return;
}
if (mLedger)
tmGL.set_ledgerseq (mLedger->getLedgerSeq ());
// Get the state data first because it's the most likely to be useful
// if we wind up abandoning this fetch.
if (mHaveBase && !mHaveState && !mFailed)
{
assert (mLedger);
if (!mLedger->peekAccountStateMap ()->isValid ())
{
mFailed = true;
}
else if (mLedger->peekAccountStateMap ()->getHash ().isZero ())
{
// we need the root node
tmGL.set_itype (protocol::liAS_NODE);
* (tmGL.add_nodeids ()) = SHAMapNode ().getRawString ();
if (m_journal.trace) m_journal.trace <<
"Sending AS root request to " << (peer ? "selected peer" : "all peers");
sendRequest (tmGL, peer);
return;
}
else
{
std::vector<SHAMapNode> nodeIDs;
std::vector<uint256> nodeHashes;
// VFALCO Why 256? Make this a constant
nodeIDs.reserve (256);
nodeHashes.reserve (256);
AccountStateSF filter (mSeq);
// Release the lock while we process the large state map
sl.unlock();
mLedger->peekAccountStateMap ()->getMissingNodes (
nodeIDs, nodeHashes, 256, &filter);
sl.lock();
// Make sure nothing happened while we released the lock
if (!mFailed && !mComplete && !mHaveState)
{
if (nodeIDs.empty ())
{
if (!mLedger->peekAccountStateMap ()->isValid ())
mFailed = true;
else
{
mHaveState = true;
if (mHaveTransactions)
mComplete = true;
}
}
else
{
// VFALCO Why 128? Make this a constant
if (!mAggressive)
filterNodes (nodeIDs, nodeHashes, mRecentASNodes,
128, !isProgress ());
if (!nodeIDs.empty ())
{
tmGL.set_itype (protocol::liAS_NODE);
BOOST_FOREACH (SHAMapNode const& it, nodeIDs)
{
* (tmGL.add_nodeids ()) = it.getRawString ();
}
if (m_journal.trace) m_journal.trace <<
"Sending AS node " << nodeIDs.size () <<
" request to " << (
peer ? "selected peer" : "all peers");
if (nodeIDs.size () == 1 && m_journal.trace) m_journal.trace <<
"AS node: " << nodeIDs[0];
sendRequest (tmGL, peer);
return;
}
else
if (m_journal.trace) m_journal.trace <<
"All AS nodes filtered";
}
}
}
}
if (mHaveBase && !mHaveTransactions && !mFailed)
{
assert (mLedger);
if (!mLedger->peekTransactionMap ()->isValid ())
{
mFailed = true;
}
else if (mLedger->peekTransactionMap ()->getHash ().isZero ())
{
// we need the root node
tmGL.set_itype (protocol::liTX_NODE);
* (tmGL.add_nodeids ()) = SHAMapNode ().getRawString ();
if (m_journal.trace) m_journal.trace <<
"Sending TX root request to " << (
peer ? "selected peer" : "all peers");
sendRequest (tmGL, peer);
return;
}
else
{
std::vector<SHAMapNode> nodeIDs;
std::vector<uint256> nodeHashes;
nodeIDs.reserve (256);
nodeHashes.reserve (256);
TransactionStateSF filter (mSeq);
mLedger->peekTransactionMap ()->getMissingNodes (
nodeIDs, nodeHashes, 256, &filter);
if (nodeIDs.empty ())
{
if (!mLedger->peekTransactionMap ()->isValid ())
mFailed = true;
else
{
mHaveTransactions = true;
if (mHaveState)
mComplete = true;
}
}
else
{
if (!mAggressive)
filterNodes (nodeIDs, nodeHashes, mRecentTXNodes,
128, !isProgress ());
if (!nodeIDs.empty ())
{
tmGL.set_itype (protocol::liTX_NODE);
BOOST_FOREACH (SHAMapNode const& it, nodeIDs)
{
* (tmGL.add_nodeids ()) = it.getRawString ();
}
if (m_journal.trace) m_journal.trace <<
"Sending TX node " << nodeIDs.size () <<
" request to " << (
peer ? "selected peer" : "all peers");
sendRequest (tmGL, peer);
return;
}
else
if (m_journal.trace) m_journal.trace <<
"All TX nodes filtered";
}
}
}
if (mComplete || mFailed)
{
if (m_journal.debug) m_journal.debug <<
"Done:" << (mComplete ? " complete" : "") <<
(mFailed ? " failed " : " ") <<
mLedger->getLedgerSeq ();
sl.unlock ();
done ();
}
}
void InboundLedger::filterNodes (std::vector<SHAMapNode>& nodeIDs,
std::vector<uint256>& nodeHashes, std::set<SHAMapNode>& recentNodes,
int max, bool aggressive)
{
// ask for new nodes in preference to ones we've already asked for
assert (nodeIDs.size () == nodeHashes.size ());
std::vector<bool> duplicates;
duplicates.reserve (nodeIDs.size ());
int dupCount = 0;
BOOST_FOREACH(SHAMapNode const& nodeID, nodeIDs)
{
if (recentNodes.count (nodeID) != 0)
{
duplicates.push_back (true);
++dupCount;
}
else
duplicates.push_back (false);
}
if (dupCount == nodeIDs.size ())
{
// all duplicates
if (!aggressive)
{
nodeIDs.clear ();
nodeHashes.clear ();
if (m_journal.trace) m_journal.trace <<
"filterNodes: all are duplicates";
return;
}
}
else if (dupCount > 0)
{
// some, but not all, duplicates
int insertPoint = 0;
for (unsigned int i = 0; i < nodeIDs.size (); ++i)
if (!duplicates[i])
{
// Keep this node
if (insertPoint != i)
{
nodeIDs[insertPoint] = nodeIDs[i];
nodeHashes[insertPoint] = nodeHashes[i];
}
++insertPoint;
}
if (m_journal.trace) m_journal.trace <<
"filterNodes " << nodeIDs.size () << " to " << insertPoint;
nodeIDs.resize (insertPoint);
nodeHashes.resize (insertPoint);
}
if (nodeIDs.size () > max)
{
nodeIDs.resize (max);
nodeHashes.resize (max);
}
BOOST_FOREACH (const SHAMapNode & n, nodeIDs)
{
recentNodes.insert (n);
}
}
/** Take ledger base data
Call with a lock
*/
// data must not have hash prefix
bool InboundLedger::takeBase (const std::string& data)
{
// Return value: true=normal, false=bad data
if (m_journal.trace) m_journal.trace <<
"got base acquiring ledger " << mHash;
if (mComplete || mFailed || mHaveBase)
return true;
mLedger = std::make_shared<Ledger> (data, false);
if (mLedger->getHash () != mHash)
{
if (m_journal.warning) m_journal.warning <<
"Acquire hash mismatch";
if (m_journal.warning) m_journal.warning <<
mLedger->getHash () << "!=" << mHash;
mLedger.reset ();
#ifdef TRUST_NETWORK
assert (false);
#endif
return false;
}
mHaveBase = true;
Serializer s (data.size () + 4);
s.add32 (HashPrefix::ledgerMaster);
s.addRaw (data);
getApp().getNodeStore ().store (hotLEDGER,
mLedger->getLedgerSeq (), std::move (s.modData ()), mHash);
progress ();
if (mLedger->getTransHash ().isZero ())
mHaveTransactions = true;
if (mLedger->getAccountHash ().isZero ())
mHaveState = true;
mLedger->setAcquiring ();
return true;
}
/** Process TX data received from a peer
Call with a lock
*/
bool InboundLedger::takeTxNode (const std::list<SHAMapNode>& nodeIDs,
const std::list< Blob >& data, SHAMapAddNode& san)
{
if (!mHaveBase)
{
if (m_journal.warning) m_journal.warning <<
"TX node without base";
san.incInvalid();
return false;
}
if (mHaveTransactions || mFailed)
{
san.incDuplicate();
return true;
}
std::list<SHAMapNode>::const_iterator nodeIDit = nodeIDs.begin ();
std::list< Blob >::const_iterator nodeDatait = data.begin ();
TransactionStateSF tFilter (mLedger->getLedgerSeq ());
while (nodeIDit != nodeIDs.end ())
{
if (nodeIDit->isRoot ())
{
san += mLedger->peekTransactionMap ()->addRootNode (
mLedger->getTransHash (), *nodeDatait, snfWIRE, &tFilter);
if (!san.isGood())
return false;
}
else
{
san += mLedger->peekTransactionMap ()->addKnownNode (
*nodeIDit, *nodeDatait, &tFilter);
if (!san.isGood())
return false;
}
++nodeIDit;
++nodeDatait;
}
if (!mLedger->peekTransactionMap ()->isSynching ())
{
mHaveTransactions = true;
if (mHaveState)
{
mComplete = true;
done ();
}
}
progress ();
return true;
}
/** Process AS data received from a peer
Call with a lock
*/
bool InboundLedger::takeAsNode (const std::list<SHAMapNode>& nodeIDs,
const std::list< Blob >& data, SHAMapAddNode& san)
{
if (m_journal.trace) m_journal.trace <<
"got ASdata (" << nodeIDs.size () << ") acquiring ledger " << mHash;
if (nodeIDs.size () == 1 && m_journal.trace) m_journal.trace <<
"got AS node: " << nodeIDs.front ();
ScopedLockType sl (mLock);
if (!mHaveBase)
{
if (m_journal.warning) m_journal.warning <<
"Don't have ledger base";
san.incInvalid();
return false;
}
if (mHaveState || mFailed)
{
san.incDuplicate();
return true;
}
std::list<SHAMapNode>::const_iterator nodeIDit = nodeIDs.begin ();
std::list< Blob >::const_iterator nodeDatait = data.begin ();
AccountStateSF tFilter (mLedger->getLedgerSeq ());
while (nodeIDit != nodeIDs.end ())
{
if (nodeIDit->isRoot ())
{
san += mLedger->peekAccountStateMap ()->addRootNode (
mLedger->getAccountHash (), *nodeDatait, snfWIRE, &tFilter);
if (!san.isGood ())
{
if (m_journal.warning) m_journal.warning <<
"Bad ledger base";
return false;
}
}
else
{
san += mLedger->peekAccountStateMap ()->addKnownNode (
*nodeIDit, *nodeDatait, &tFilter);
if (!san.isGood ())
{
if (m_journal.warning) m_journal.warning <<
"Unable to add AS node";
return false;
}
}
++nodeIDit;
++nodeDatait;
}
if (!mLedger->peekAccountStateMap ()->isSynching ())
{
mHaveState = true;
if (mHaveTransactions)
{
mComplete = true;
done ();
}
}
progress ();
return true;
}
/** Process AS root node received from a peer
Call with a lock
*/
bool InboundLedger::takeAsRootNode (Blob const& data, SHAMapAddNode& san)
{
if (mFailed || mHaveState)
{
san.incDuplicate();
return true;
}
if (!mHaveBase)
{
assert(false);
san.incInvalid();
return false;
}
AccountStateSF tFilter (mLedger->getLedgerSeq ());
san += mLedger->peekAccountStateMap ()->addRootNode (
mLedger->getAccountHash (), data, snfWIRE, &tFilter);
return san.isGood();
}
/** Process AS root node received from a peer
Call with a lock
*/
bool InboundLedger::takeTxRootNode (Blob const& data, SHAMapAddNode& san)
{
if (mFailed || mHaveState)
{
san.incDuplicate();
return true;
}
if (!mHaveBase)
{
assert(false);
san.incInvalid();
return false;
}
TransactionStateSF tFilter (mLedger->getLedgerSeq ());
san += mLedger->peekTransactionMap ()->addRootNode (
mLedger->getTransHash (), data, snfWIRE, &tFilter);
return san.isGood();
}
std::vector<InboundLedger::neededHash_t> InboundLedger::getNeededHashes ()