void doapplyvalidation(ledger::ref lastclosedledger, stobject& basevalidation) override
{
dividendmaster::pointer dividendmaster = getapp().getops().getdividendmaster();
if (dividendmaster->trylock())
{
if (dividendmaster->isready())
{
uint32_t dividendledger = lastclosedledger->getdividendbaseledger();
if (dividendledger == dividendmaster->getledgerseq())
{
basevalidation.setfieldu32 (sfdividendledger, dividendledger);
basevalidation.setfieldh256 (sfdividendresulthash, dividendmaster->getresulthash());
if (m_journal.info)
m_journal.info << "voting for a dividend apply based " << dividendledger << " with hash "<< dividendmaster->getresulthash() << " in " << lastclosedledger->gethash();
}
else
{
if (m_journal.warning)
m_journal.warning << "wrong base ledger " << dividendmaster->getledgerseq() << " want "<< dividendledger;
}
}
dividendmaster->unlock();
}
}
sttx::pointer transactionmaster::fetch (shamapitem::ref item,
shamaptreenode::tntype type,
bool checkdisk, std::uint32_t ucommitledger)
{
sttx::pointer txn;
transaction::pointer itx = getapp().getmastertransaction ().fetch (item->gettag (), false);
if (!itx)
{
if (type == shamaptreenode::tntransaction_nm)
{
serializeriterator sit (item->peekserializer ());
txn = std::make_shared<sttx> (std::ref (sit));
}
else if (type == shamaptreenode::tntransaction_md)
{
serializer s;
int length;
item->peekserializer ().getvl (s.moddata (), 0, length);
serializeriterator sit (s);
txn = std::make_shared<sttx> (std::ref (sit));
}
}
else
{
if (ucommitledger)
itx->setstatus (committed, ucommitledger);
txn = itx->getstransaction ();
}
return txn;
}
json::value doblacklist (rpc::context& context)
{
auto& rm = getapp().getresourcemanager();
if (context.params.ismember("threshold"))
return rm.getjson(context.params["threshold"].asint());
else
return rm.getjson();
}
/** process a single ledger
@param ledgerindex the index of the ledger to process.
@param ledgerhash the known correct hash of the ledger.
@param donodes ensure all ledger nodes are in the node db.
@param dotxns reprocess (account) transactions to sql databases.
@return `true` if the ledger was cleaned.
*/
bool doledger(
ledgerindex const& ledgerindex,
ledgerhash const& ledgerhash,
bool donodes,
bool dotxns)
{
ledger::pointer nodeledger = getapp().getledgermaster().findacquireledger(ledgerindex, ledgerhash);
if (!nodeledger)
{
m_journal.debug << "ledger " << ledgerindex << " not available";
return false;
}
ledger::pointer dbledger = ledger::loadbyindex(ledgerindex);
if (! dbledger ||
(dbledger->gethash() != ledgerhash) ||
(dbledger->getparenthash() != nodeledger->getparenthash()))
{
// ideally we'd also check for more than one ledger with that index
m_journal.debug <<
"ledger " << ledgerindex << " mismatches sql db";
dotxns = true;
}
if(! getapp().getledgermaster().fixindex(ledgerindex, ledgerhash))
{
m_journal.debug << "ledger " << ledgerindex << " had wrong entry in history";
dotxns = true;
}
if (donodes && !nodeledger->walkledger())
{
m_journal.debug << "ledger " << ledgerindex << " is missing nodes";
getapp().getinboundledgers().findcreate(ledgerhash, ledgerindex, inboundledger::fcgeneric);
return false;
}
if (dotxns && !nodeledger->pendsavevalidated(true, false))
{
m_journal.debug << "failed to save ledger " << ledgerindex;
return false;
}
return true;
}
/** returns the hash of the specified ledger.
@param ledgerindex the index of the desired ledger.
@param referenceledger [out] an optional known good subsequent ledger.
@return the hash of the ledger. this will be all-bits-zero if not found.
*/
ledgerhash gethash(
ledgerindex const& ledgerindex,
ledger::pointer& referenceledger)
{
ledgerhash ledgerhash;
if (!referenceledger || (referenceledger->getledgerseq() < ledgerindex))
{
referenceledger = getapp().getledgermaster().getvalidatedledger();
if (!referenceledger)
{
m_journal.warning << "no validated ledger";
return ledgerhash; // nothing we can do. no validated ledger.
}
}
if (referenceledger->getledgerseq() >= ledgerindex)
{
// see if the hash for the ledger we need is in the reference ledger
ledgerhash = getledgerhash(referenceledger, ledgerindex);
if (ledgerhash.iszero())
{
// no, try to get another ledger that might have the hash we need
// compute the index and hash of a ledger that will have the hash we need
ledgerindex refindex = (ledgerindex + 255) & (~255);
ledgerhash refhash = getledgerhash (referenceledger, refindex);
bool const nonzero (refhash.isnonzero ());
assert (nonzero);
if (nonzero)
{
// we found the hash and sequence of a better reference ledger
referenceledger = getapp().getledgermaster().findacquireledger (refindex, refhash);
if (referenceledger)
ledgerhash = getledgerhash(referenceledger, ledgerindex);
}
}
}
else
m_journal.warning << "validated ledger is prior to target ledger";
return ledgerhash;
}
ledgerhash getledgerhash(ledger::pointer ledger, ledgerindex index)
{
ledgerhash hash;
try
{
hash = ledger->getledgerhash(index);
}
catch (shamapmissingnode &)
{
m_journal.warning <<
"node missing from ledger " << ledger->getledgerseq();
getapp().getinboundledgers().findcreate (
ledger->gethash(), ledger->getledgerseq(), inboundledger::fcgeneric);
}
return hash;
}
json::value doledgeraccept (rpc::context& context)
{
auto lock = getapp().masterlock();
json::value jvresult;
if (!getconfig ().run_standalone)
{
jvresult["error"] = "notstandalone";
}
else
{
context.netops.acceptledger ();
jvresult["ledger_current_index"]
= context.netops.getcurrentledgerid ();
}
return jvresult;
}
status ledgerhandler::check ()
{
auto const& params = context_.params;
bool needsledger = params.ismember (jss::ledger) ||
params.ismember (jss::ledger_hash) ||
params.ismember (jss::ledger_index);
if (!needsledger)
return status::ok;
if (auto s = rpc::lookupledger (params, ledger_, context_.netops, result_))
return s;
bool bfull = params[jss::full].asbool();
bool bwithdividend = params["dividend"].asbool ();
bool btransactions = params[jss::transactions].asbool();
bool baccounts = params[jss::accounts].asbool();
bool bexpand = params[jss::expand].asbool();
options_ = (bfull ? ledger_json_full : 0)
| (bexpand ? ledger_json_expand : 0)
| (bwithdividend ? ledger_json_dump_txdiv : 0)
| (btransactions ? ledger_json_dump_txrp : 0)
| (baccounts ? ledger_json_dump_state : 0);
if (bfull || baccounts)
{
// until some sane way to get full ledgers has been implemented,
// disallow retrieving all state nodes.
if (context_.role != role::admin)
return rpcno_permission;
if (getapp().getfeetrack().isloadedlocal() &&
context_.role != role::admin)
{
return rpctoo_busy;
}
context_.loadtype = resource::feehighburdenrpc;
}
return status::ok;
}
// {
// secret: <string>
// }
json::value dovalidationseed (rpc::context& context)
{
auto lock = getapp().masterlock();
json::value obj (json::objectvalue);
if (!context.params.ismember ("secret"))
{
std::cerr << "unset validation seed." << std::endl;
getconfig ().validation_seed.clear ();
getconfig ().validation_pub.clear ();
getconfig ().validation_priv.clear ();
}
else if (!getconfig ().validation_seed.setseedgeneric (
context.params["secret"].asstring ()))
{
getconfig ().validation_pub.clear ();
getconfig ().validation_priv.clear ();
return rpcerror (rpcbad_seed);
}
else
{
auto& seed = getconfig ().validation_seed;
auto& pub = getconfig ().validation_pub;
pub = rippleaddress::createnodepublic (seed);
getconfig ().validation_priv = rippleaddress::createnodeprivate (seed);
obj["validation_public_key"] = pub.humannodepublic ();
obj["validation_seed"] = seed.humanseed ();
obj["validation_key"] = seed.humanseed1751 ();
}
return obj;
}
// ---------------------------------------------------------------------------
//
// -----------
void* bvDefPaletteHisto::ccinit(){
return(initializeCocoa(getapp(),this));
}
// ---------------------------------------------------------------------------
//
// -----------
void* bvDefPaletteQuickRaster::ccinit(){
return(initializeCocoa(getapp(),this));
}
void dostartvoting(ledger::ref lastclosedledger, shamap::ref initialposition) override
{
// lcl must be validation ledger
assert (isstartledger(lastclosedledger));
std::uint32_t dividendledger = lastclosedledger->getledgerseq();
std::map<std::pair<uint64_t, uint64_t>, int> votemap;
// get validations for validation ledger
validationset const set = getapp().getvalidations ().getvalidations (lastclosedledger->gethash ());
for (auto const& e : set)
{
stvalidation const& val = *e.second;
if (val.istrusted ())
{
if (val.isfieldpresent (sfdividendledger)
&& val.isfieldpresent (sfdividendcoins)
&& val.isfieldpresent (sfdividendcoinsvbc))
{
uint32_t ledgerseq = val.getfieldu32 (sfdividendledger);
if (ledgerseq != dividendledger) {
m_journal.warning << "mismatch ledger seq " << ledgerseq << " from validator " << val.getnodeid() << " ours: " << dividendledger << " in " << lastclosedledger->gethash();
continue;
}
++votemap[std::make_pair(val.getfieldu64 (sfdividendcoins), val.getfieldu64 (sfdividendcoinsvbc))];
}
}
}
std::pair<uint64_t, uint64_t> ourvote = std::make_pair(0, 0);
int weight = 0;
for (auto const& e : votemap)
{
// take most voted value
if (e.second > weight)
{
ourvote = e.first;
weight = e.second;
}
}
if (weight < getapp().getledgermaster().getminvalidations()) {
m_journal.warning << weight << " votes are not enough to start dividend for " << dividendledger;
return;
}
if (ourvote.first==0 && ourvote.second==0) {
if (m_journal.warning)
m_journal.warning << "not voting for a dividend start because both vrp and vbc voted are 0";
return;
}
if (ourvote.first + lastclosedledger->gettotalcoins() > vrp_increase_max &&
ourvote.second + lastclosedledger->gettotalcoinsvbc() > vbc_increase_max) {
if (m_journal.error)
m_journal.error << "not voting for a dividend start because both vrp and vbc will exceed max.";
return;
}
if (m_journal.warning)
m_journal.warning << "we are voting for a dividend start based " << dividendledger << " with vrp " << ourvote.first << " vbc " << ourvote.second << " with " << weight << " same votes in " << lastclosedledger->gethash();
sttx trans(ttdividend);
trans.setfieldu8(sfdividendtype, dividendmaster::divtype_start);
trans.setfieldaccount(sfaccount, account());
trans.setfieldu32(sfdividendledger, dividendledger);
trans.setfieldu64(sfdividendcoins, ourvote.first);
trans.setfieldu64(sfdividendcoinsvbc, ourvote.second);
uint256 txid = trans.gettransactionid();
if (m_journal.warning)
m_journal.warning << "vote: " << txid;
serializer s;
trans.add (s, true);
shamapitem::pointer titem = std::make_shared<shamapitem> (txid, s.peekdata ());
if (!initialposition->addgiveitem (titem, true, false))
{
if (m_journal.warning)
m_journal.warning << "ledger already had dividend start";
}
}
bool doapplyvoting(ledger::ref lastclosedledger, shamap::ref initialposition) override
{
uint32_t dividendledger = lastclosedledger->getdividendbaseledger();
int weight = 0;
std::map<uint256, int> votes;
// get validations for validation ledger
validationset const set = getapp().getvalidations ().getvalidations (lastclosedledger->gethash ());
for (auto const& e : set)
{
stvalidation const& val = *e.second;
if (val.istrusted ())
{
if (val.isfieldpresent (sfdividendledger) &&
val.isfieldpresent (sfdividendresulthash))
{
uint32_t ledgerseq = val.getfieldu32 (sfdividendledger);
if (ledgerseq != dividendledger)
continue;
const uint256 & dividendhash = val.getfieldh256 (sfdividendresulthash);
++votes[dividendhash];
// if (ledgerseq != dividendledger || dividendhash != dividendresulthash) {
if (m_journal.debug)
m_journal.debug << "recv dividend apply vote based " << ledgerseq << " hash " << dividendhash << " from validator " << val.getnodeid() << " in " << lastclosedledger->gethash();
// continue;
// }
// ++weight;
}
}
}
uint256 dividendresulthash;
for (auto const& v : votes)
{
if (v.second > weight)
{
dividendresulthash = v.first;
weight = v.second;
}
}
dividendmaster::pointer dividendmaster = getapp().getops().getdividendmaster();
if (!dividendmaster->trylock())
{
if (weight >=getapp().getledgermaster().getminvalidations())
return false;
else
return true;
}
if (!dividendmaster->isready() ||
dividendledger != dividendmaster->getledgerseq() ||
dividendresulthash != dividendmaster->getresulthash())
{
if (dividendmaster->isready())
m_journal.warning << "we got mismatch dividend apply based " << dividendledger << " hash " << dividendresulthash << " ours " << dividendmaster->getresulthash() << " based " << dividendmaster->getledgerseq() << " in " << lastclosedledger->gethash();
dividendmaster->unlock();
if (weight >=getapp().getledgermaster().getminvalidations())
return false;
else
return true;
}
if (weight >= getapp().getledgermaster().getminvalidations())
{
m_journal.warning << "we are voting for a dividend apply based " << dividendledger << " hash " << dividendresulthash << " with " << weight << " same votes in " << lastclosedledger->gethash();
dividendmaster->filldivresult(initialposition);
dividendmaster->filldivready(initialposition);
dividendmaster->setready(false);
}
else
{
m_journal.warning << "we are cancelling a dividend apply with only " << weight << " same votes in " << lastclosedledger->gethash();
dividendmaster->settotaldividend(0);
dividendmaster->settotaldividendvbc(0);
dividendmaster->setsumvrank(0);
dividendmaster->setsumvspd(0);
dividendmaster->setresulthash(uint256());
dividendmaster->filldivready(initialposition);
dividendmaster->setready(false);
}
dividendmaster->unlock();
return true;
}
/** run the ledger cleaner. */
void doledgercleaner()
{
ledger::pointer goodledger;
while (! this->threadshouldexit())
{
ledgerindex ledgerindex;
ledgerhash ledgerhash;
bool donodes;
bool dotxns;
while (getapp().getfeetrack().isloadedlocal())
{
m_journal.debug << "waiting for load to subside";
std::this_thread::sleep_for(std::chrono::seconds(5));
if (this->threadshouldexit ())
return;
}
{
sharedstate::access state (m_state);
if ((state->minrange > state->maxrange) ||
(state->maxrange == 0) || (state->minrange == 0))
{
state->minrange = state->maxrange = 0;
return;
}
ledgerindex = state->maxrange;
donodes = state->checknodes;
dotxns = state->fixtxns;
}
ledgerhash = gethash(ledgerindex, goodledger);
bool fail = false;
if (ledgerhash.iszero())
{
m_journal.info << "unable to get hash for ledger " << ledgerindex;
fail = true;
}
else if (!doledger(ledgerindex, ledgerhash, donodes, dotxns))
{
m_journal.info << "failed to process ledger " << ledgerindex;
fail = true;
}
if (fail)
{
{
sharedstate::access state (m_state);
++state->failures;
}
// wait for acquiring to catch up to us
std::this_thread::sleep_for(std::chrono::seconds(2));
}
else
{
{
sharedstate::access state (m_state);
if (ledgerindex == state->minrange)
++state->minrange;
if (ledgerindex == state->maxrange)
--state->maxrange;
state->failures = 0;
}
// reduce i/o pressure and wait for acquiring to catch up to us
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
}
}
void doclean (json::value const& params)
{
ledgerindex minrange;
ledgerindex maxrange;
getapp().getledgermaster().getfullvalidatedrange (minrange, maxrange);
{
sharedstate::access state (m_state);
state->maxrange = maxrange;
state->minrange = minrange;
state->checknodes = false;
state->fixtxns = false;
state->failures = 0;
/*
json parameters:
all parameters are optional. by default the cleaner cleans
things it thinks are necessary. this behavior can be modified
using the following options supplied via json rpc:
"ledger"
a single unsigned integer representing an individual
ledger to clean.
"min_ledger", "max_ledger"
unsigned integers representing the starting and ending
ledger numbers to clean. if unspecified, clean all ledgers.
"full"
a boolean. when set to true, means clean everything possible.
"fix_txns"
a boolean value indicating whether or not to fix the
transactions in the database as well.
"check_nodes"
a boolean, when set to true means check the nodes.
"stop"
a boolean, when set to true informs the cleaner to gracefully
stop its current activities if any cleaning is taking place.
*/
// quick way to fix a single ledger
if (params.ismember("ledger"))
{
state->maxrange = params["ledger"].asuint();
state->minrange = params["ledger"].asuint();
state->fixtxns = true;
state->checknodes = true;
}
if (params.ismember("max_ledger"))
state->maxrange = params["max_ledger"].asuint();
if (params.ismember("min_ledger"))
state->minrange = params["min_ledger"].asuint();
if (params.ismember("full"))
state->fixtxns = state->checknodes = params["full"].asbool();
if (params.ismember("fix_txns"))
state->fixtxns = params["fix_txns"].asbool();
if (params.ismember("check_nodes"))
state->checknodes = params["check_nodes"].asbool();
if (params.ismember("stop") && params["stop"].asbool())
state->minrange = state->maxrange = 0;
}
notify();
}
