mirror of
https://github.com/XRPLF/rippled.git
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1939 lines
55 KiB
C++
1939 lines
55 KiB
C++
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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SETUP_LOG (Ledger)
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Ledger::Ledger (const RippleAddress& masterID, uint64 startAmount)
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: mTotCoins (startAmount)
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, mLedgerSeq (1) // First Ledger
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, mCloseTime (0)
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, mParentCloseTime (0)
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, mCloseResolution (LEDGER_TIME_ACCURACY)
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, mCloseFlags (0)
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, mClosed (false)
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, mValidHash (false)
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, mAccepted (false)
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, mImmutable (false)
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, mTransactionMap (boost::make_shared <SHAMap> (smtTRANSACTION))
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, mAccountStateMap (boost::make_shared <SHAMap> (smtSTATE))
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{
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// special case: put coins in root account
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AccountState::pointer startAccount = boost::make_shared<AccountState> (masterID);
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startAccount->peekSLE ().setFieldAmount (sfBalance, startAmount);
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startAccount->peekSLE ().setFieldU32 (sfSequence, 1);
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WriteLog (lsTRACE, Ledger) << "root account: " << startAccount->peekSLE ().getJson (0);
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mAccountStateMap->armDirty ();
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writeBack (lepCREATE, startAccount->getSLE ());
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SHAMap::flushDirty (*mAccountStateMap->disarmDirty (), 256, hotACCOUNT_NODE, mLedgerSeq);
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initializeFees ();
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}
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Ledger::Ledger (uint256 const& parentHash,
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uint256 const& transHash,
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uint256 const& accountHash,
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uint64 totCoins,
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uint32 closeTime,
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uint32 parentCloseTime,
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int closeFlags,
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int closeResolution,
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uint32 ledgerSeq,
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bool& loaded)
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: mParentHash (parentHash)
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, mTransHash (transHash)
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, mAccountHash (accountHash)
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, mTotCoins (totCoins)
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, mLedgerSeq (ledgerSeq)
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, mCloseTime (closeTime)
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, mParentCloseTime (parentCloseTime)
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, mCloseResolution (closeResolution)
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, mCloseFlags (closeFlags)
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, mClosed (false)
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, mValidHash (false)
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, mAccepted (false)
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, mImmutable (true)
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, mTransactionMap (boost::make_shared <SHAMap> (smtTRANSACTION, transHash))
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, mAccountStateMap (boost::make_shared <SHAMap> (smtSTATE, accountHash))
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{
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// This will throw if the root nodes are not available locally
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updateHash ();
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loaded = true;
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if (mTransHash.isNonZero () && !mTransactionMap->fetchRoot (mTransHash, NULL))
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{
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loaded = false;
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WriteLog (lsWARNING, Ledger) << "Don't have TX root for ledger";
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}
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if (mAccountHash.isNonZero () && !mAccountStateMap->fetchRoot (mAccountHash, NULL))
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{
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loaded = false;
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WriteLog (lsWARNING, Ledger) << "Don't have AS root for ledger";
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}
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mTransactionMap->setImmutable ();
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mAccountStateMap->setImmutable ();
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initializeFees ();
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}
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// Create a new ledger that's a snapshot of this one
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Ledger::Ledger (Ledger& ledger,
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bool isMutable)
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: mParentHash (ledger.mParentHash)
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, mTotCoins (ledger.mTotCoins)
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, mLedgerSeq (ledger.mLedgerSeq)
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, mCloseTime (ledger.mCloseTime)
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, mParentCloseTime (ledger.mParentCloseTime)
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, mCloseResolution (ledger.mCloseResolution)
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, mCloseFlags (ledger.mCloseFlags)
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, mClosed (ledger.mClosed)
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, mValidHash (false)
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, mAccepted (ledger.mAccepted)
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, mImmutable (!isMutable)
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, mTransactionMap (ledger.mTransactionMap->snapShot (isMutable))
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, mAccountStateMap (ledger.mAccountStateMap->snapShot (isMutable))
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{
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updateHash ();
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initializeFees ();
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}
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// Create a new ledger that follows this one
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Ledger::Ledger (bool /* dummy */,
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Ledger& prevLedger)
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: mTotCoins (prevLedger.mTotCoins)
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, mLedgerSeq (prevLedger.mLedgerSeq + 1)
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, mParentCloseTime (prevLedger.mCloseTime)
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, mCloseResolution (prevLedger.mCloseResolution)
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, mCloseFlags (0)
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, mClosed (false)
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, mValidHash (false)
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, mAccepted (false)
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, mImmutable (false)
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, mTransactionMap (boost::make_shared <SHAMap> (smtTRANSACTION))
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, mAccountStateMap (prevLedger.mAccountStateMap->snapShot (true))
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{
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prevLedger.updateHash ();
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mParentHash = prevLedger.getHash ();
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assert (mParentHash.isNonZero ());
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mCloseResolution = ContinuousLedgerTiming::getNextLedgerTimeResolution (
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prevLedger.mCloseResolution,
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prevLedger.getCloseAgree (),
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mLedgerSeq);
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if (prevLedger.mCloseTime == 0)
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{
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mCloseTime = roundCloseTime (getApp().getOPs ().getCloseTimeNC (), mCloseResolution);
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}
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else
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{
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mCloseTime = prevLedger.mCloseTime + mCloseResolution;
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}
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initializeFees ();
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}
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Ledger::Ledger (Blob const& rawLedger,
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bool hasPrefix)
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: mClosed (false)
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, mValidHash (false)
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, mAccepted (false)
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, mImmutable (true)
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{
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Serializer s (rawLedger);
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setRaw (s, hasPrefix);
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initializeFees ();
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}
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Ledger::Ledger (const std::string& rawLedger, bool hasPrefix) :
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mClosed (false), mValidHash (false), mAccepted (false), mImmutable (true)
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{
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Serializer s (rawLedger);
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setRaw (s, hasPrefix);
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initializeFees ();
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}
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void Ledger::setImmutable ()
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{
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updateHash ();
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mImmutable = true;
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if (mTransactionMap)
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mTransactionMap->setImmutable ();
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if (mAccountStateMap)
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mAccountStateMap->setImmutable ();
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}
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void Ledger::updateHash ()
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{
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if (!mImmutable)
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{
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if (mTransactionMap)
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mTransHash = mTransactionMap->getHash ();
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else
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mTransHash.zero ();
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if (mAccountStateMap)
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mAccountHash = mAccountStateMap->getHash ();
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else
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mAccountHash.zero ();
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}
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// VFALCO TODO Fix this hard coded magic number 118
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Serializer s (118);
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s.add32 (HashPrefix::ledgerMaster);
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addRaw (s);
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mHash = s.getSHA512Half ();
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mValidHash = true;
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}
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void Ledger::setRaw (Serializer& s, bool hasPrefix)
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{
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SerializerIterator sit (s);
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if (hasPrefix)
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sit.get32 ();
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mLedgerSeq = sit.get32 ();
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mTotCoins = sit.get64 ();
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mParentHash = sit.get256 ();
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mTransHash = sit.get256 ();
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mAccountHash = sit.get256 ();
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mParentCloseTime = sit.get32 ();
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mCloseTime = sit.get32 ();
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mCloseResolution = sit.get8 ();
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mCloseFlags = sit.get8 ();
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updateHash ();
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if (mValidHash)
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{
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mTransactionMap = boost::make_shared<SHAMap> (smtTRANSACTION, mTransHash);
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mAccountStateMap = boost::make_shared<SHAMap> (smtSTATE, mAccountHash);
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}
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}
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void Ledger::addRaw (Serializer& s) const
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{
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s.add32 (mLedgerSeq);
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s.add64 (mTotCoins);
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s.add256 (mParentHash);
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s.add256 (mTransHash);
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s.add256 (mAccountHash);
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s.add32 (mParentCloseTime);
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s.add32 (mCloseTime);
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s.add8 (mCloseResolution);
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s.add8 (mCloseFlags);
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}
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void Ledger::setAccepted (uint32 closeTime, int closeResolution, bool correctCloseTime)
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{
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// used when we witnessed the consensus
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assert (mClosed && !mAccepted);
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mCloseTime = correctCloseTime ? roundCloseTime (closeTime, closeResolution) : closeTime;
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mCloseResolution = closeResolution;
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mCloseFlags = correctCloseTime ? 0 : sLCF_NoConsensusTime;
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mAccepted = true;
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setImmutable ();
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}
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void Ledger::setAccepted ()
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{
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// used when we acquired the ledger
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// FIXME assert(mClosed && (mCloseTime != 0) && (mCloseResolution != 0));
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if ((mCloseFlags & sLCF_NoConsensusTime) == 0)
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mCloseTime = roundCloseTime (mCloseTime, mCloseResolution);
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mAccepted = true;
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setImmutable ();
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}
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bool Ledger::hasAccount (const RippleAddress& accountID)
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{
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return mAccountStateMap->hasItem (Ledger::getAccountRootIndex (accountID));
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}
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AccountState::pointer Ledger::getAccountState (const RippleAddress& accountID)
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{
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#ifdef BEAST_DEBUG
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// Log::out() << "Ledger:getAccountState(" << accountID.humanAccountID() << ")";
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#endif
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SLE::pointer sle = getSLEi (Ledger::getAccountRootIndex (accountID));
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if (!sle)
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{
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WriteLog (lsDEBUG, Ledger) << boost::str (boost::format ("Ledger:getAccountState: not found: %s: %s")
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% accountID.humanAccountID ()
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% Ledger::getAccountRootIndex (accountID).GetHex ());
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return AccountState::pointer ();
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}
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if (sle->getType () != ltACCOUNT_ROOT)
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return AccountState::pointer ();
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return boost::make_shared<AccountState> (sle, accountID);
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}
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NicknameState::pointer Ledger::getNicknameState (uint256 const& uNickname)
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{
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SHAMapItem::pointer item = mAccountStateMap->peekItem (Ledger::getNicknameIndex (uNickname));
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if (!item)
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{
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return NicknameState::pointer ();
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}
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SerializedLedgerEntry::pointer sle =
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boost::make_shared<SerializedLedgerEntry> (item->peekSerializer (), item->getTag ());
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if (sle->getType () != ltNICKNAME) return NicknameState::pointer ();
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return boost::make_shared<NicknameState> (sle);
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}
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bool Ledger::addTransaction (uint256 const& txID, const Serializer& txn)
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{
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// low-level - just add to table
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SHAMapItem::pointer item = boost::make_shared<SHAMapItem> (txID, txn.peekData ());
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if (!mTransactionMap->addGiveItem (item, true, false))
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{
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WriteLog (lsWARNING, Ledger) << "Attempt to add transaction to ledger that already had it";
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return false;
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}
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mValidHash = false;
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return true;
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}
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bool Ledger::addTransaction (uint256 const& txID, const Serializer& txn, const Serializer& md)
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{
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// low-level - just add to table
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Serializer s (txn.getDataLength () + md.getDataLength () + 16);
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s.addVL (txn.peekData ());
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s.addVL (md.peekData ());
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SHAMapItem::pointer item = boost::make_shared<SHAMapItem> (txID, s.peekData ());
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if (!mTransactionMap->addGiveItem (item, true, true))
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{
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WriteLog (lsFATAL, Ledger) << "Attempt to add transaction+MD to ledger that already had it";
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return false;
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}
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mValidHash = false;
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return true;
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}
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Transaction::pointer Ledger::getTransaction (uint256 const& transID) const
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{
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SHAMapTreeNode::TNType type;
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SHAMapItem::pointer item = mTransactionMap->peekItem (transID, type);
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if (!item) return Transaction::pointer ();
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Transaction::pointer txn = getApp().getMasterTransaction ().fetch (transID, false);
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if (txn)
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return txn;
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if (type == SHAMapTreeNode::tnTRANSACTION_NM)
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txn = Transaction::sharedTransaction (item->getData (), true);
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else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
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{
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Blob txnData;
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int txnLength;
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if (!item->peekSerializer ().getVL (txnData, 0, txnLength))
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return Transaction::pointer ();
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txn = Transaction::sharedTransaction (txnData, false);
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}
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else
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{
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assert (false);
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return Transaction::pointer ();
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}
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if (txn->getStatus () == NEW)
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txn->setStatus (mClosed ? COMMITTED : INCLUDED, mLedgerSeq);
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getApp().getMasterTransaction ().canonicalize (txn);
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return txn;
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}
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SerializedTransaction::pointer Ledger::getSTransaction (SHAMapItem::ref item, SHAMapTreeNode::TNType type)
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{
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SerializerIterator sit (item->peekSerializer ());
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if (type == SHAMapTreeNode::tnTRANSACTION_NM)
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return boost::make_shared<SerializedTransaction> (boost::ref (sit));
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else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
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{
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Serializer sTxn (sit.getVL ());
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SerializerIterator tSit (sTxn);
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return boost::make_shared<SerializedTransaction> (boost::ref (tSit));
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}
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return SerializedTransaction::pointer ();
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}
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SerializedTransaction::pointer Ledger::getSMTransaction (SHAMapItem::ref item, SHAMapTreeNode::TNType type,
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TransactionMetaSet::pointer& txMeta)
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{
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SerializerIterator sit (item->peekSerializer ());
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if (type == SHAMapTreeNode::tnTRANSACTION_NM)
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{
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txMeta.reset ();
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return boost::make_shared<SerializedTransaction> (boost::ref (sit));
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}
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else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
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{
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Serializer sTxn (sit.getVL ());
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SerializerIterator tSit (sTxn);
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txMeta = boost::make_shared<TransactionMetaSet> (item->getTag (), mLedgerSeq, sit.getVL ());
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return boost::make_shared<SerializedTransaction> (boost::ref (tSit));
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}
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txMeta.reset ();
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return SerializedTransaction::pointer ();
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}
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bool Ledger::getTransaction (uint256 const& txID, Transaction::pointer& txn, TransactionMetaSet::pointer& meta)
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{
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SHAMapTreeNode::TNType type;
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SHAMapItem::pointer item = mTransactionMap->peekItem (txID, type);
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if (!item)
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return false;
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if (type == SHAMapTreeNode::tnTRANSACTION_NM)
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{
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// in tree with no metadata
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txn = getApp().getMasterTransaction ().fetch (txID, false);
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meta.reset ();
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if (!txn)
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txn = Transaction::sharedTransaction (item->peekData (), true);
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}
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else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
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{
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// in tree with metadata
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SerializerIterator it (item->peekSerializer ());
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txn = getApp().getMasterTransaction ().fetch (txID, false);
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if (!txn)
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txn = Transaction::sharedTransaction (it.getVL (), true);
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else
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it.getVL (); // skip transaction
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meta = boost::make_shared<TransactionMetaSet> (txID, mLedgerSeq, it.getVL ());
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}
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else
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return false;
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if (txn->getStatus () == NEW)
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txn->setStatus (mClosed ? COMMITTED : INCLUDED, mLedgerSeq);
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getApp().getMasterTransaction ().canonicalize (txn);
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return true;
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}
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bool Ledger::getTransactionMeta (uint256 const& txID, TransactionMetaSet::pointer& meta)
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{
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SHAMapTreeNode::TNType type;
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SHAMapItem::pointer item = mTransactionMap->peekItem (txID, type);
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if (!item)
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return false;
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if (type != SHAMapTreeNode::tnTRANSACTION_MD)
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return false;
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SerializerIterator it (item->peekSerializer ());
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it.getVL (); // skip transaction
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meta = boost::make_shared<TransactionMetaSet> (txID, mLedgerSeq, it.getVL ());
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return true;
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}
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bool Ledger::getMetaHex (uint256 const& transID, std::string& hex)
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{
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SHAMapTreeNode::TNType type;
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SHAMapItem::pointer item = mTransactionMap->peekItem (transID, type);
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if (!item)
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return false;
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if (type != SHAMapTreeNode::tnTRANSACTION_MD)
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return false;
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SerializerIterator it (item->peekSerializer ());
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it.getVL (); // skip transaction
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hex = strHex (it.getVL ());
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return true;
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}
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uint256 Ledger::getHash ()
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{
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if (!mValidHash)
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updateHash ();
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return mHash;
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}
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void Ledger::saveAcceptedLedger (Job&, bool fromConsensus)
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{
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WriteLog (lsTRACE, Ledger) << "saveAcceptedLedger " << (fromConsensus ? "fromConsensus " : "fromAcquire ") << getLedgerSeq ();
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static boost::format deleteLedger ("DELETE FROM Ledgers WHERE LedgerSeq = %u;");
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static boost::format deleteTrans1 ("DELETE FROM Transactions WHERE LedgerSeq = %u;");
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static boost::format deleteTrans2 ("DELETE FROM AccountTransactions WHERE LedgerSeq = %u;");
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static boost::format deleteAcctTrans ("DELETE FROM AccountTransactions WHERE TransID = '%s';");
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static boost::format transExists ("SELECT Status FROM Transactions WHERE TransID = '%s';");
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static boost::format
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updateTx ("UPDATE Transactions SET LedgerSeq = %u, Status = '%c', TxnMeta = %s WHERE TransID = '%s';");
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static boost::format addLedger ("INSERT OR REPLACE INTO Ledgers "
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"(LedgerHash,LedgerSeq,PrevHash,TotalCoins,ClosingTime,PrevClosingTime,CloseTimeRes,CloseFlags,"
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"AccountSetHash,TransSetHash) VALUES ('%s','%u','%s','%s','%u','%u','%d','%u','%s','%s');");
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if (!getAccountHash ().isNonZero ())
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{
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WriteLog (lsFATAL, Ledger) << "AH is zero: " << getJson (0);
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assert (false);
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}
|
|
|
|
if (getAccountHash () != mAccountStateMap->getHash ())
|
|
{
|
|
WriteLog (lsFATAL, Ledger) << "sAL: " << getAccountHash () << " != " << mAccountStateMap->getHash ();
|
|
WriteLog (lsFATAL, Ledger) << "saveAcceptedLedger: seq=" << mLedgerSeq << ", fromcons=" << fromConsensus;
|
|
assert (false);
|
|
}
|
|
|
|
assert (getTransHash () == mTransactionMap->getHash ());
|
|
|
|
// Save the ledger header in the hashed object store
|
|
{
|
|
Serializer s (128);
|
|
s.add32 (HashPrefix::ledgerMaster);
|
|
addRaw (s);
|
|
getApp().getNodeStore ().store (hotLEDGER, mLedgerSeq, s.modData (), mHash);
|
|
}
|
|
|
|
AcceptedLedger::pointer aLedger = AcceptedLedger::makeAcceptedLedger (shared_from_this ());
|
|
|
|
{
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
getApp().getLedgerDB ()->getDB ()->executeSQL (boost::str (deleteLedger % mLedgerSeq));
|
|
}
|
|
|
|
{
|
|
Database* db = getApp().getTxnDB ()->getDB ();
|
|
ScopedLock dbLock (getApp().getTxnDB ()->getDBLock ());
|
|
db->executeSQL ("BEGIN TRANSACTION;");
|
|
|
|
db->executeSQL (boost::str (deleteTrans1 % mLedgerSeq));
|
|
db->executeSQL (boost::str (deleteTrans2 % mLedgerSeq));
|
|
|
|
BOOST_FOREACH (const AcceptedLedger::value_type & vt, aLedger->getMap ())
|
|
{
|
|
uint256 txID = vt.second->getTransactionID ();
|
|
getApp().getMasterTransaction ().inLedger (txID, mLedgerSeq);
|
|
|
|
db->executeSQL (boost::str (deleteAcctTrans % txID.GetHex ()));
|
|
|
|
const std::vector<RippleAddress>& accts = vt.second->getAffected ();
|
|
|
|
if (!accts.empty ())
|
|
{
|
|
std::string sql = "INSERT INTO AccountTransactions (TransID, Account, LedgerSeq, TxnSeq) VALUES ";
|
|
bool first = true;
|
|
|
|
for (std::vector<RippleAddress>::const_iterator it = accts.begin (), end = accts.end (); it != end; ++it)
|
|
{
|
|
if (!first)
|
|
sql += ", ('";
|
|
else
|
|
{
|
|
sql += "('";
|
|
first = false;
|
|
}
|
|
|
|
sql += txID.GetHex ();
|
|
sql += "','";
|
|
sql += it->humanAccountID ();
|
|
sql += "',";
|
|
sql += lexicalCastThrow <std::string> (getLedgerSeq ());
|
|
sql += ",";
|
|
sql += lexicalCastThrow <std::string> (vt.second->getTxnSeq ());
|
|
sql += ")";
|
|
}
|
|
|
|
sql += ";";
|
|
WriteLog (lsTRACE, Ledger) << "ActTx: " << sql;
|
|
db->executeSQL (sql);
|
|
}
|
|
else
|
|
WriteLog (lsWARNING, Ledger) << "Transaction in ledger " << mLedgerSeq << " affects no accounts";
|
|
|
|
db->executeSQL (SerializedTransaction::getMetaSQLInsertReplaceHeader () +
|
|
vt.second->getTxn ()->getMetaSQL (getLedgerSeq (), vt.second->getEscMeta ()) + ";");
|
|
}
|
|
db->executeSQL ("COMMIT TRANSACTION;");
|
|
}
|
|
|
|
{
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
getApp().getLedgerDB ()->getDB ()->executeSQL (boost::str (addLedger %
|
|
getHash ().GetHex () % mLedgerSeq % mParentHash.GetHex () %
|
|
lexicalCastThrow <std::string> (mTotCoins) % mCloseTime % mParentCloseTime %
|
|
mCloseResolution % mCloseFlags % mAccountHash.GetHex () % mTransHash.GetHex ()));
|
|
}
|
|
|
|
if (!fromConsensus && (getConfig ().NODE_SIZE < 2)) // tiny or small
|
|
dropCache ();
|
|
|
|
if (getApp().getJobQueue ().getJobCountTotal (jtPUBOLDLEDGER) < 2)
|
|
getApp().getLedgerMaster ().resumeAcquiring ();
|
|
else
|
|
WriteLog (lsTRACE, Ledger) << "no resume, too many pending ledger saves";
|
|
}
|
|
|
|
#ifndef NO_SQLITE3_PREPARE
|
|
|
|
Ledger::pointer Ledger::loadByIndex (uint32 ledgerIndex)
|
|
{
|
|
Ledger::pointer ledger;
|
|
{
|
|
Database* db = getApp().getLedgerDB ()->getDB ();
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
SqliteStatement pSt (db->getSqliteDB (), "SELECT "
|
|
"LedgerHash,PrevHash,AccountSetHash,TransSetHash,TotalCoins,"
|
|
"ClosingTime,PrevClosingTime,CloseTimeRes,CloseFlags,LedgerSeq"
|
|
" from Ledgers WHERE LedgerSeq = ?;");
|
|
|
|
pSt.bind (1, ledgerIndex);
|
|
ledger = getSQL1 (&pSt);
|
|
}
|
|
|
|
if (ledger)
|
|
{
|
|
Ledger::getSQL2 (ledger);
|
|
ledger->setFull ();
|
|
}
|
|
|
|
return ledger;
|
|
}
|
|
|
|
Ledger::pointer Ledger::loadByHash (uint256 const& ledgerHash)
|
|
{
|
|
Ledger::pointer ledger;
|
|
{
|
|
Database* db = getApp().getLedgerDB ()->getDB ();
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
SqliteStatement pSt (db->getSqliteDB (), "SELECT "
|
|
"LedgerHash,PrevHash,AccountSetHash,TransSetHash,TotalCoins,"
|
|
"ClosingTime,PrevClosingTime,CloseTimeRes,CloseFlags,LedgerSeq"
|
|
" from Ledgers WHERE LedgerHash = ?;");
|
|
|
|
pSt.bind (1, ledgerHash.GetHex ());
|
|
ledger = getSQL1 (&pSt);
|
|
}
|
|
|
|
if (ledger)
|
|
{
|
|
assert (ledger->getHash () == ledgerHash);
|
|
Ledger::getSQL2 (ledger);
|
|
ledger->setFull ();
|
|
}
|
|
|
|
return ledger;
|
|
}
|
|
|
|
#else
|
|
|
|
Ledger::pointer Ledger::loadByIndex (uint32 ledgerIndex)
|
|
{
|
|
// This is a low-level function with no caching
|
|
std::string sql = "SELECT * from Ledgers WHERE LedgerSeq='";
|
|
sql.append (lexicalCastThrow <std::string> (ledgerIndex));
|
|
sql.append ("';");
|
|
return getSQL (sql);
|
|
}
|
|
|
|
Ledger::pointer Ledger::loadByHash (uint256 const& ledgerHash)
|
|
{
|
|
// This is a low-level function with no caching and only gets accepted ledgers
|
|
std::string sql = "SELECT * from Ledgers WHERE LedgerHash='";
|
|
sql.append (ledgerHash.GetHex ());
|
|
sql.append ("';");
|
|
return getSQL (sql);
|
|
}
|
|
|
|
#endif
|
|
|
|
Ledger::pointer Ledger::getSQL (const std::string& sql)
|
|
{
|
|
// only used with sqlite3 prepared statements not used
|
|
uint256 ledgerHash, prevHash, accountHash, transHash;
|
|
uint64 totCoins;
|
|
uint32 closingTime, prevClosingTime, ledgerSeq;
|
|
int closeResolution;
|
|
unsigned closeFlags;
|
|
std::string hash;
|
|
|
|
{
|
|
Database* db = getApp().getLedgerDB ()->getDB ();
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
if (!db->executeSQL (sql) || !db->startIterRows ())
|
|
return Ledger::pointer ();
|
|
|
|
db->getStr ("LedgerHash", hash);
|
|
ledgerHash.SetHexExact (hash);
|
|
db->getStr ("PrevHash", hash);
|
|
prevHash.SetHexExact (hash);
|
|
db->getStr ("AccountSetHash", hash);
|
|
accountHash.SetHexExact (hash);
|
|
db->getStr ("TransSetHash", hash);
|
|
transHash.SetHexExact (hash);
|
|
totCoins = db->getBigInt ("TotalCoins");
|
|
closingTime = db->getBigInt ("ClosingTime");
|
|
prevClosingTime = db->getBigInt ("PrevClosingTime");
|
|
closeResolution = db->getBigInt ("CloseTimeRes");
|
|
closeFlags = db->getBigInt ("CloseFlags");
|
|
ledgerSeq = db->getBigInt ("LedgerSeq");
|
|
db->endIterRows ();
|
|
}
|
|
|
|
// CAUTION: code below appears in two places
|
|
bool loaded;
|
|
Ledger::pointer ret (new Ledger (prevHash, transHash, accountHash, totCoins,
|
|
closingTime, prevClosingTime, closeFlags, closeResolution, ledgerSeq, loaded));
|
|
|
|
if (!loaded)
|
|
return Ledger::pointer ();
|
|
|
|
ret->setClosed ();
|
|
|
|
if (getApp().getOPs ().haveLedger (ledgerSeq))
|
|
ret->setAccepted ();
|
|
|
|
if (ret->getHash () != ledgerHash)
|
|
{
|
|
if (ShouldLog (lsERROR, Ledger))
|
|
{
|
|
Log (lsERROR) << "Failed on ledger";
|
|
Json::Value p;
|
|
ret->addJson (p, LEDGER_JSON_FULL);
|
|
Log (lsERROR) << p;
|
|
}
|
|
|
|
assert (false);
|
|
return Ledger::pointer ();
|
|
}
|
|
|
|
WriteLog (lsTRACE, Ledger) << "Loaded ledger: " << ledgerHash;
|
|
return ret;
|
|
}
|
|
|
|
Ledger::pointer Ledger::getSQL1 (SqliteStatement* stmt)
|
|
{
|
|
int iRet = stmt->step ();
|
|
|
|
if (stmt->isDone (iRet))
|
|
return Ledger::pointer ();
|
|
|
|
if (!stmt->isRow (iRet))
|
|
{
|
|
WriteLog (lsINFO, Ledger) << "Ledger not found: " << iRet << " = " << stmt->getError (iRet);
|
|
return Ledger::pointer ();
|
|
}
|
|
|
|
uint256 ledgerHash, prevHash, accountHash, transHash;
|
|
uint64 totCoins;
|
|
uint32 closingTime, prevClosingTime, ledgerSeq;
|
|
int closeResolution;
|
|
unsigned closeFlags;
|
|
|
|
ledgerHash.SetHexExact (stmt->peekString (0));
|
|
prevHash.SetHexExact (stmt->peekString (1));
|
|
accountHash.SetHexExact (stmt->peekString (2));
|
|
transHash.SetHexExact (stmt->peekString (3));
|
|
totCoins = stmt->getInt64 (4);
|
|
closingTime = stmt->getUInt32 (5);
|
|
prevClosingTime = stmt->getUInt32 (6);
|
|
closeResolution = stmt->getUInt32 (7);
|
|
closeFlags = stmt->getUInt32 (8);
|
|
ledgerSeq = stmt->getUInt32 (9);
|
|
|
|
// CAUTION: code below appears in two places
|
|
bool loaded;
|
|
Ledger::pointer ret (new Ledger (prevHash, transHash, accountHash, totCoins,
|
|
closingTime, prevClosingTime, closeFlags, closeResolution, ledgerSeq, loaded));
|
|
|
|
if (!loaded)
|
|
return Ledger::pointer ();
|
|
|
|
return ret;
|
|
}
|
|
|
|
void Ledger::getSQL2 (Ledger::ref ret)
|
|
{
|
|
ret->setClosed ();
|
|
ret->setImmutable ();
|
|
|
|
if (getApp().getOPs ().haveLedger (ret->getLedgerSeq ()))
|
|
ret->setAccepted ();
|
|
|
|
WriteLog (lsTRACE, Ledger) << "Loaded ledger: " << ret->getHash ().GetHex ();
|
|
}
|
|
|
|
uint256 Ledger::getHashByIndex (uint32 ledgerIndex)
|
|
{
|
|
uint256 ret;
|
|
|
|
std::string sql = "SELECT LedgerHash FROM Ledgers INDEXED BY SeqLedger WHERE LedgerSeq='";
|
|
sql.append (lexicalCastThrow <std::string> (ledgerIndex));
|
|
sql.append ("';");
|
|
|
|
std::string hash;
|
|
{
|
|
Database* db = getApp().getLedgerDB ()->getDB ();
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
if (!db->executeSQL (sql) || !db->startIterRows ())
|
|
return ret;
|
|
|
|
db->getStr ("LedgerHash", hash);
|
|
db->endIterRows ();
|
|
}
|
|
|
|
ret.SetHexExact (hash);
|
|
return ret;
|
|
}
|
|
|
|
bool Ledger::getHashesByIndex (uint32 ledgerIndex, uint256& ledgerHash, uint256& parentHash)
|
|
{
|
|
#ifndef NO_SQLITE3_PREPARE
|
|
|
|
DatabaseCon* con = getApp().getLedgerDB ();
|
|
ScopedLock sl (con->getDBLock ());
|
|
|
|
SqliteStatement pSt (con->getDB ()->getSqliteDB (),
|
|
"SELECT LedgerHash,PrevHash FROM Ledgers INDEXED BY SeqLedger Where LedgerSeq = ?;");
|
|
|
|
pSt.bind (1, ledgerIndex);
|
|
|
|
int ret = pSt.step ();
|
|
|
|
if (pSt.isDone (ret))
|
|
{
|
|
WriteLog (lsTRACE, Ledger) << "Don't have ledger " << ledgerIndex;
|
|
return false;
|
|
}
|
|
|
|
if (!pSt.isRow (ret))
|
|
{
|
|
assert (false);
|
|
WriteLog (lsFATAL, Ledger) << "Unexpected statement result " << ret;
|
|
return false;
|
|
}
|
|
|
|
ledgerHash.SetHexExact (pSt.peekString (0));
|
|
parentHash.SetHexExact (pSt.peekString (1));
|
|
|
|
return true;
|
|
|
|
#else
|
|
|
|
std::string sql = "SELECT LedgerHash,PrevHash FROM Ledgers WHERE LedgerSeq='";
|
|
sql.append (lexicalCastThrow <std::string> (ledgerIndex));
|
|
sql.append ("';");
|
|
|
|
std::string hash, prevHash;
|
|
{
|
|
Database* db = getApp().getLedgerDB ()->getDB ();
|
|
ScopedLock sl (getApp().getLedgerDB ()->getDBLock ());
|
|
|
|
if (!db->executeSQL (sql) || !db->startIterRows ())
|
|
return false;
|
|
|
|
db->getStr ("LedgerHash", hash);
|
|
db->getStr ("PrevHash", prevHash);
|
|
db->endIterRows ();
|
|
}
|
|
|
|
ledgerHash.SetHexExact (hash);
|
|
parentHash.SetHexExact (prevHash);
|
|
|
|
assert (ledgerHash.isNonZero () && ((ledgerIndex == 0) || parentHash.isNonZero ()));
|
|
|
|
return true;
|
|
|
|
#endif
|
|
}
|
|
|
|
std::map< uint32, std::pair<uint256, uint256> > Ledger::getHashesByIndex (uint32 minSeq, uint32 maxSeq)
|
|
{
|
|
std::map< uint32, std::pair<uint256, uint256> > ret;
|
|
|
|
std::string sql = "SELECT LedgerSeq,LedgerHash,PrevHash FROM Ledgers WHERE LedgerSeq >= ";
|
|
sql.append (lexicalCastThrow <std::string> (minSeq));
|
|
sql.append (" AND LedgerSeq <= ");
|
|
sql.append (lexicalCastThrow <std::string> (maxSeq));
|
|
sql.append (";");
|
|
|
|
DatabaseCon* con = getApp().getLedgerDB ();
|
|
ScopedLock sl (con->getDBLock ());
|
|
|
|
SqliteStatement pSt (con->getDB ()->getSqliteDB (), sql);
|
|
|
|
while (pSt.isRow (pSt.step ()))
|
|
{
|
|
std::pair<uint256, uint256>& hashes = ret[pSt.getUInt32 (0)];
|
|
hashes.first.SetHexExact (pSt.peekString (1));
|
|
hashes.second.SetHexExact (pSt.peekString (2));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
Ledger::pointer Ledger::getLastFullLedger ()
|
|
{
|
|
try
|
|
{
|
|
return getSQL ("SELECT * from Ledgers order by LedgerSeq desc limit 1;");
|
|
}
|
|
catch (SHAMapMissingNode& sn)
|
|
{
|
|
WriteLog (lsWARNING, Ledger) << "Database contains ledger with missing nodes: " << sn;
|
|
return Ledger::pointer ();
|
|
}
|
|
}
|
|
|
|
void Ledger::addJson (Json::Value& ret, int options)
|
|
{
|
|
ret["ledger"] = getJson (options);
|
|
}
|
|
|
|
Json::Value Ledger::getJson (int options)
|
|
{
|
|
Json::Value ledger (Json::objectValue);
|
|
|
|
bool bFull = isSetBit (options, LEDGER_JSON_FULL);
|
|
|
|
boost::recursive_mutex::scoped_lock sl (mLock);
|
|
|
|
ledger["seqNum"] = lexicalCastThrow <std::string> (mLedgerSeq); // DEPRECATED
|
|
|
|
ledger["parent_hash"] = mParentHash.GetHex ();
|
|
ledger["ledger_index"] = lexicalCastThrow <std::string> (mLedgerSeq);
|
|
|
|
if (mClosed || bFull)
|
|
{
|
|
if (mClosed)
|
|
ledger["closed"] = true;
|
|
|
|
ledger["hash"] = mHash.GetHex (); // DEPRECATED
|
|
ledger["totalCoins"] = lexicalCastThrow <std::string> (mTotCoins); // DEPRECATED
|
|
|
|
ledger["ledger_hash"] = mHash.GetHex ();
|
|
ledger["transaction_hash"] = mTransHash.GetHex ();
|
|
ledger["account_hash"] = mAccountHash.GetHex ();
|
|
ledger["accepted"] = mAccepted;
|
|
ledger["total_coins"] = lexicalCastThrow <std::string> (mTotCoins);
|
|
|
|
if (mCloseTime != 0)
|
|
{
|
|
ledger["close_time"] = mCloseTime;
|
|
ledger["close_time_human"] = boost::posix_time::to_simple_string (ptFromSeconds (mCloseTime));
|
|
ledger["close_time_resolution"] = mCloseResolution;
|
|
|
|
if ((mCloseFlags & sLCF_NoConsensusTime) != 0)
|
|
ledger["close_time_estimated"] = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ledger["closed"] = false;
|
|
}
|
|
|
|
if (mTransactionMap && (bFull || isSetBit (options, LEDGER_JSON_DUMP_TXRP)))
|
|
{
|
|
Json::Value txns (Json::arrayValue);
|
|
SHAMapTreeNode::TNType type;
|
|
ScopedLock l (mTransactionMap->Lock ());
|
|
|
|
for (SHAMapItem::pointer item = mTransactionMap->peekFirstItem (type); !!item;
|
|
item = mTransactionMap->peekNextItem (item->getTag (), type))
|
|
{
|
|
if (bFull || isSetBit (options, LEDGER_JSON_EXPAND))
|
|
{
|
|
if (type == SHAMapTreeNode::tnTRANSACTION_NM)
|
|
{
|
|
SerializerIterator sit (item->peekSerializer ());
|
|
SerializedTransaction txn (sit);
|
|
txns.append (txn.getJson (0));
|
|
}
|
|
else if (type == SHAMapTreeNode::tnTRANSACTION_MD)
|
|
{
|
|
SerializerIterator sit (item->peekSerializer ());
|
|
Serializer sTxn (sit.getVL ());
|
|
|
|
SerializerIterator tsit (sTxn);
|
|
SerializedTransaction txn (tsit);
|
|
|
|
TransactionMetaSet meta (item->getTag (), mLedgerSeq, sit.getVL ());
|
|
Json::Value txJson = txn.getJson (0);
|
|
txJson["metaData"] = meta.getJson (0);
|
|
txns.append (txJson);
|
|
}
|
|
else
|
|
{
|
|
Json::Value error = Json::objectValue;
|
|
error[item->getTag ().GetHex ()] = type;
|
|
txns.append (error);
|
|
}
|
|
}
|
|
else txns.append (item->getTag ().GetHex ());
|
|
}
|
|
|
|
ledger["transactions"] = txns;
|
|
}
|
|
|
|
if (mAccountStateMap && (bFull || isSetBit (options, LEDGER_JSON_DUMP_STATE)))
|
|
{
|
|
Json::Value state (Json::arrayValue);
|
|
ScopedLock l (mAccountStateMap->Lock ());
|
|
|
|
for (SHAMapItem::pointer item = mAccountStateMap->peekFirstItem (); !!item;
|
|
item = mAccountStateMap->peekNextItem (item->getTag ()))
|
|
{
|
|
if (bFull || isSetBit (options, LEDGER_JSON_EXPAND))
|
|
{
|
|
SerializerIterator sit (item->peekSerializer ());
|
|
SerializedLedgerEntry sle (sit, item->getTag ());
|
|
state.append (sle.getJson (0));
|
|
}
|
|
else
|
|
state.append (item->getTag ().GetHex ());
|
|
}
|
|
|
|
ledger["accountState"] = state;
|
|
}
|
|
|
|
return ledger;
|
|
}
|
|
|
|
void Ledger::setAcquiring (void)
|
|
{
|
|
if (!mTransactionMap || !mAccountStateMap) throw std::runtime_error ("invalid map");
|
|
|
|
mTransactionMap->setSynching ();
|
|
mAccountStateMap->setSynching ();
|
|
}
|
|
|
|
bool Ledger::isAcquiring (void)
|
|
{
|
|
return isAcquiringTx () || isAcquiringAS ();
|
|
}
|
|
|
|
bool Ledger::isAcquiringTx (void)
|
|
{
|
|
return mTransactionMap->isSynching ();
|
|
}
|
|
|
|
bool Ledger::isAcquiringAS (void)
|
|
{
|
|
return mAccountStateMap->isSynching ();
|
|
}
|
|
|
|
boost::posix_time::ptime Ledger::getCloseTime () const
|
|
{
|
|
return ptFromSeconds (mCloseTime);
|
|
}
|
|
|
|
void Ledger::setCloseTime (boost::posix_time::ptime ptm)
|
|
{
|
|
assert (!mImmutable);
|
|
mCloseTime = iToSeconds (ptm);
|
|
}
|
|
|
|
// XXX Use shared locks where possible?
|
|
LedgerStateParms Ledger::writeBack (LedgerStateParms parms, SLE::ref entry)
|
|
{
|
|
ScopedLock l (mAccountStateMap->Lock ());
|
|
bool create = false;
|
|
|
|
if (!mAccountStateMap->hasItem (entry->getIndex ()))
|
|
{
|
|
if ((parms & lepCREATE) == 0)
|
|
{
|
|
Log (lsERROR) << "WriteBack non-existent node without create";
|
|
return lepMISSING;
|
|
}
|
|
|
|
create = true;
|
|
}
|
|
|
|
SHAMapItem::pointer item = boost::make_shared<SHAMapItem> (entry->getIndex ());
|
|
entry->add (item->peekSerializer ());
|
|
|
|
if (create)
|
|
{
|
|
assert (!mAccountStateMap->hasItem (entry->getIndex ()));
|
|
|
|
if (!mAccountStateMap->addGiveItem (item, false, false))
|
|
{
|
|
assert (false);
|
|
return lepERROR;
|
|
}
|
|
|
|
return lepCREATED;
|
|
}
|
|
|
|
if (!mAccountStateMap->updateGiveItem (item, false, false))
|
|
{
|
|
assert (false);
|
|
return lepERROR;
|
|
}
|
|
|
|
return lepOKAY;
|
|
}
|
|
|
|
SLE::pointer Ledger::getSLE (uint256 const& uHash)
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekItem (uHash);
|
|
|
|
if (!node)
|
|
return SLE::pointer ();
|
|
|
|
return boost::make_shared<SLE> (node->peekSerializer (), node->getTag ());
|
|
}
|
|
|
|
SLE::pointer Ledger::getSLEi (uint256 const& uId)
|
|
{
|
|
uint256 hash;
|
|
|
|
ScopedLock sl (mAccountStateMap->Lock ());
|
|
|
|
SHAMapItem::pointer node = mAccountStateMap->peekItem (uId, hash);
|
|
|
|
if (!node)
|
|
return SLE::pointer ();
|
|
|
|
SLE::pointer ret = getApp().getSLECache ().fetch (hash);
|
|
|
|
if (!ret)
|
|
{
|
|
ret = boost::make_shared<SLE> (node->peekSerializer (), node->getTag ());
|
|
ret->setImmutable ();
|
|
getApp().getSLECache ().canonicalize (hash, ret);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void Ledger::visitAccountItems (const uint160& accountID, FUNCTION_TYPE<void (SLE::ref)> func)
|
|
{
|
|
// Visit each item in this account's owner directory
|
|
uint256 rootIndex = Ledger::getOwnerDirIndex (accountID);
|
|
uint256 currentIndex = rootIndex;
|
|
|
|
while (1)
|
|
{
|
|
SLE::pointer ownerDir = getSLEi (currentIndex);
|
|
|
|
if (!ownerDir || (ownerDir->getType () != ltDIR_NODE))
|
|
return;
|
|
|
|
BOOST_FOREACH (uint256 const & uNode, ownerDir->getFieldV256 (sfIndexes).peekValue ())
|
|
{
|
|
func (getSLEi (uNode));
|
|
}
|
|
|
|
uint64 uNodeNext = ownerDir->getFieldU64 (sfIndexNext);
|
|
|
|
if (!uNodeNext)
|
|
return;
|
|
|
|
currentIndex = Ledger::getDirNodeIndex (rootIndex, uNodeNext);
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
// VFALCO: A proof of concept for making an iterator instead of a visitor
|
|
class AccountItemIterator
|
|
{
|
|
public:
|
|
explicit AccountItemIterator (uint160 const& accountID)
|
|
{
|
|
// Convert the account ID to the root hash
|
|
//
|
|
m_rootKey = Ledger::getOwnerDirIndex (accountID);
|
|
|
|
// Start iterating from the root
|
|
//
|
|
m_currentKey = rootKey;
|
|
|
|
}
|
|
|
|
SerializedLedgerEntry::ref operator* () const
|
|
{
|
|
return m_currentEntry;
|
|
}
|
|
|
|
SerializedLedgerEntry::ref end () const
|
|
{
|
|
return s_end;
|
|
}
|
|
|
|
AccountItemIterator& operator++ (int)
|
|
{
|
|
}
|
|
|
|
private:
|
|
static SerializedLedgerEntry s_end;
|
|
|
|
uint256 m_rootKey;
|
|
uint256 m_currentKey;
|
|
|
|
SerializedLedgerEntry::pointer m_currentEntry;
|
|
}
|
|
// typedef const boost::shared_ptr<SerializedLedgerEntry>& ref;
|
|
*/
|
|
|
|
|
|
uint256 Ledger::getFirstLedgerIndex ()
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekFirstItem ();
|
|
return node ? node->getTag () : uint256 ();
|
|
}
|
|
|
|
uint256 Ledger::getLastLedgerIndex ()
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekLastItem ();
|
|
return node ? node->getTag () : uint256 ();
|
|
}
|
|
|
|
uint256 Ledger::getNextLedgerIndex (uint256 const& uHash)
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekNextItem (uHash);
|
|
return node ? node->getTag () : uint256 ();
|
|
}
|
|
|
|
uint256 Ledger::getNextLedgerIndex (uint256 const& uHash, uint256 const& uEnd)
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekNextItem (uHash);
|
|
|
|
if ((!node) || (node->getTag () > uEnd))
|
|
return uint256 ();
|
|
|
|
return node->getTag ();
|
|
}
|
|
|
|
uint256 Ledger::getPrevLedgerIndex (uint256 const& uHash)
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekPrevItem (uHash);
|
|
return node ? node->getTag () : uint256 ();
|
|
}
|
|
|
|
uint256 Ledger::getPrevLedgerIndex (uint256 const& uHash, uint256 const& uBegin)
|
|
{
|
|
SHAMapItem::pointer node = mAccountStateMap->peekNextItem (uHash);
|
|
|
|
if ((!node) || (node->getTag () < uBegin))
|
|
return uint256 ();
|
|
|
|
return node->getTag ();
|
|
}
|
|
|
|
SLE::pointer Ledger::getASNodeI (uint256 const& nodeID, LedgerEntryType let)
|
|
{
|
|
SLE::pointer node = getSLEi (nodeID);
|
|
|
|
if (node && (node->getType () != let))
|
|
node.reset ();
|
|
|
|
return node;
|
|
}
|
|
|
|
SLE::pointer Ledger::getASNode (LedgerStateParms& parms, uint256 const& nodeID,
|
|
LedgerEntryType let )
|
|
{
|
|
SHAMapItem::pointer account = mAccountStateMap->peekItem (nodeID);
|
|
|
|
if (!account)
|
|
{
|
|
if ( (parms & lepCREATE) == 0 )
|
|
{
|
|
parms = lepMISSING;
|
|
|
|
return SLE::pointer ();
|
|
}
|
|
|
|
parms = parms | lepCREATED | lepOKAY;
|
|
SLE::pointer sle = boost::make_shared<SLE> (let, nodeID);
|
|
|
|
return sle;
|
|
}
|
|
|
|
SLE::pointer sle =
|
|
boost::make_shared<SLE> (account->peekSerializer (), nodeID);
|
|
|
|
if (sle->getType () != let)
|
|
{
|
|
// maybe it's a currency or something
|
|
parms = parms | lepWRONGTYPE;
|
|
return SLE::pointer ();
|
|
}
|
|
|
|
parms = parms | lepOKAY;
|
|
|
|
return sle;
|
|
}
|
|
|
|
SLE::pointer Ledger::getAccountRoot (const uint160& accountID)
|
|
{
|
|
return getASNodeI (getAccountRootIndex (accountID), ltACCOUNT_ROOT);
|
|
}
|
|
|
|
SLE::pointer Ledger::getAccountRoot (const RippleAddress& naAccountID)
|
|
{
|
|
return getASNodeI (getAccountRootIndex (naAccountID.getAccountID ()), ltACCOUNT_ROOT);
|
|
}
|
|
|
|
//
|
|
// Directory
|
|
//
|
|
|
|
SLE::pointer Ledger::getDirNode (uint256 const& uNodeIndex)
|
|
{
|
|
return getASNodeI (uNodeIndex, ltDIR_NODE);
|
|
}
|
|
|
|
//
|
|
// Generator Map
|
|
//
|
|
|
|
SLE::pointer Ledger::getGenerator (const uint160& uGeneratorID)
|
|
{
|
|
return getASNodeI (getGeneratorIndex (uGeneratorID), ltGENERATOR_MAP);
|
|
}
|
|
|
|
//
|
|
// Nickname
|
|
//
|
|
|
|
SLE::pointer Ledger::getNickname (uint256 const& uNickname)
|
|
{
|
|
return getASNodeI (uNickname, ltNICKNAME);
|
|
}
|
|
|
|
//
|
|
// Offer
|
|
//
|
|
|
|
|
|
SLE::pointer Ledger::getOffer (uint256 const& uIndex)
|
|
{
|
|
return getASNodeI (uIndex, ltOFFER);
|
|
}
|
|
|
|
//
|
|
// Ripple State
|
|
//
|
|
|
|
SLE::pointer Ledger::getRippleState (uint256 const& uNode)
|
|
{
|
|
return getASNodeI (uNode, ltRIPPLE_STATE);
|
|
}
|
|
|
|
// For an entry put in the 64 bit index or quality.
|
|
uint256 Ledger::getQualityIndex (uint256 const& uBase, const uint64 uNodeDir)
|
|
{
|
|
// Indexes are stored in big endian format: they print as hex as stored.
|
|
// Most significant bytes are first. Least significant bytes represent adjacent entries.
|
|
// We place uNodeDir in the 8 right most bytes to be adjacent.
|
|
// Want uNodeDir in big endian format so ++ goes to the next entry for indexes.
|
|
uint256 uNode (uBase);
|
|
|
|
((uint64*) uNode.end ())[-1] = htobe64 (uNodeDir);
|
|
|
|
return uNode;
|
|
}
|
|
|
|
// Return the last 64 bits.
|
|
uint64 Ledger::getQuality (uint256 const& uBase)
|
|
{
|
|
return be64toh (((uint64*) uBase.end ())[-1]);
|
|
}
|
|
|
|
uint256 Ledger::getQualityNext (uint256 const& uBase)
|
|
{
|
|
static uint256 uNext ("10000000000000000");
|
|
|
|
uint256 uResult = uBase;
|
|
|
|
uResult += uNext;
|
|
|
|
return uResult;
|
|
}
|
|
|
|
uint256 Ledger::getAccountRootIndex (const uint160& uAccountID)
|
|
{
|
|
Serializer s (22);
|
|
|
|
s.add16 (spaceAccount); // 2
|
|
s.add160 (uAccountID); // 20
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getLedgerFeeIndex ()
|
|
{
|
|
// get the index of the node that holds the fee schedul
|
|
Serializer s (2);
|
|
s.add16 (spaceFee);
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getLedgerFeatureIndex ()
|
|
{
|
|
// get the index of the node that holds the last 256 ledgers
|
|
Serializer s (2);
|
|
s.add16 (spaceFeature);
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getLedgerHashIndex ()
|
|
{
|
|
// get the index of the node that holds the last 256 ledgers
|
|
Serializer s (2);
|
|
s.add16 (spaceSkipList);
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getLedgerHashIndex (uint32 desiredLedgerIndex)
|
|
{
|
|
// get the index of the node that holds the set of 256 ledgers that includes this ledger's hash
|
|
// (or the first ledger after it if it's not a multiple of 256)
|
|
Serializer s (6);
|
|
s.add16 (spaceSkipList);
|
|
s.add32 (desiredLedgerIndex >> 16);
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getLedgerHash (uint32 ledgerIndex)
|
|
{
|
|
// return the hash of the specified ledger, 0 if not available
|
|
|
|
// easy cases
|
|
if (ledgerIndex > mLedgerSeq)
|
|
{
|
|
WriteLog (lsWARNING, Ledger) << "Can't get seq " << ledgerIndex << " from " << mLedgerSeq << " future";
|
|
return uint256 ();
|
|
}
|
|
|
|
if (ledgerIndex == mLedgerSeq)
|
|
return getHash ();
|
|
|
|
if (ledgerIndex == (mLedgerSeq - 1))
|
|
return mParentHash;
|
|
|
|
// within 256
|
|
int diff = mLedgerSeq - ledgerIndex;
|
|
|
|
if (diff <= 256)
|
|
{
|
|
SLE::pointer hashIndex = getSLEi (getLedgerHashIndex ());
|
|
|
|
if (hashIndex)
|
|
{
|
|
assert (hashIndex->getFieldU32 (sfLastLedgerSequence) == (mLedgerSeq - 1));
|
|
STVector256 vec = hashIndex->getFieldV256 (sfHashes);
|
|
|
|
if (vec.size () >= diff)
|
|
return vec.at (vec.size () - diff);
|
|
|
|
WriteLog (lsWARNING, Ledger) << "Ledger " << mLedgerSeq << " missing hash for " << ledgerIndex
|
|
<< " (" << vec.size () << "," << diff << ")";
|
|
}
|
|
else
|
|
{
|
|
WriteLog (lsWARNING, Ledger) << "Ledger " << mLedgerSeq << ":" << getHash () << " missing normal list";
|
|
}
|
|
}
|
|
|
|
if ((ledgerIndex & 0xff) != 0)
|
|
{
|
|
WriteLog (lsWARNING, Ledger) << "Can't get seq " << ledgerIndex << " from " << mLedgerSeq << " past";
|
|
return uint256 ();
|
|
}
|
|
|
|
// in skiplist
|
|
SLE::pointer hashIndex = getSLEi (getLedgerHashIndex (ledgerIndex));
|
|
|
|
if (hashIndex)
|
|
{
|
|
int lastSeq = hashIndex->getFieldU32 (sfLastLedgerSequence);
|
|
assert (lastSeq >= ledgerIndex);
|
|
assert ((lastSeq & 0xff) == 0);
|
|
int sDiff = (lastSeq - ledgerIndex) >> 8;
|
|
|
|
STVector256 vec = hashIndex->getFieldV256 (sfHashes);
|
|
|
|
if (vec.size () > sDiff)
|
|
return vec.at (vec.size () - sDiff - 1);
|
|
}
|
|
|
|
WriteLog (lsWARNING, Ledger) << "Can't get seq " << ledgerIndex << " from " << mLedgerSeq << " error";
|
|
return uint256 ();
|
|
}
|
|
|
|
std::vector< std::pair<uint32, uint256> > Ledger::getLedgerHashes ()
|
|
{
|
|
std::vector< std::pair<uint32, uint256> > ret;
|
|
SLE::pointer hashIndex = getSLEi (getLedgerHashIndex ());
|
|
|
|
if (hashIndex)
|
|
{
|
|
STVector256 vec = hashIndex->getFieldV256 (sfHashes);
|
|
int size = vec.size ();
|
|
ret.reserve (size);
|
|
uint32 seq = hashIndex->getFieldU32 (sfLastLedgerSequence) - size;
|
|
|
|
for (int i = 0; i < size; ++i)
|
|
ret.push_back (std::make_pair (++seq, vec.at (i)));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::vector<uint256> Ledger::getLedgerFeatures ()
|
|
{
|
|
std::vector<uint256> usFeatures;
|
|
SLE::pointer sleFeatures = getSLEi (getLedgerFeatureIndex ());
|
|
|
|
if (sleFeatures)
|
|
usFeatures = sleFeatures->getFieldV256 (sfFeatures).peekValue ();
|
|
|
|
return usFeatures;
|
|
}
|
|
|
|
// XRP to XRP not allowed.
|
|
// Currencies must have appropriate issuer.
|
|
// Currencies or accounts must differ.
|
|
bool Ledger::isValidBook (const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuerID,
|
|
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuerID)
|
|
{
|
|
if (uTakerPaysCurrency.isZero ())
|
|
{
|
|
// XRP in
|
|
|
|
if (uTakerPaysIssuerID.isNonZero ()) // XRP cannot have an issuer
|
|
return false;
|
|
|
|
if (uTakerGetsCurrency.isZero ()) // XRP to XRP not allowed
|
|
return false;
|
|
|
|
if (uTakerGetsIssuerID.isZero ()) // non-XRP must have issuer
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// non-XRP in
|
|
if (uTakerPaysIssuerID.isZero ()) // non-XRP must have issuer
|
|
return false;
|
|
|
|
if (uTakerGetsCurrency.isZero ()) // non-XRP to XRP
|
|
{
|
|
if (uTakerGetsIssuerID.isNonZero ()) // XRP cannot have issuer
|
|
return false;
|
|
}
|
|
else // non-XRP to non-XRP
|
|
{
|
|
if ((uTakerPaysCurrency == uTakerGetsCurrency) && (uTakerGetsIssuerID == uTakerPaysIssuerID))
|
|
return false; // Input and output cannot be identical
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
uint256 Ledger::getBookBase (const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuerID,
|
|
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuerID)
|
|
{
|
|
Serializer s (82);
|
|
|
|
s.add16 (spaceBookDir); // 2
|
|
s.add160 (uTakerPaysCurrency); // 20
|
|
s.add160 (uTakerGetsCurrency); // 20
|
|
s.add160 (uTakerPaysIssuerID); // 20
|
|
s.add160 (uTakerGetsIssuerID); // 20
|
|
|
|
uint256 uBaseIndex = getQualityIndex (s.getSHA512Half ()); // Return with quality 0.
|
|
|
|
WriteLog (lsTRACE, Ledger) << boost::str (boost::format ("getBookBase(%s,%s,%s,%s) = %s")
|
|
% STAmount::createHumanCurrency (uTakerPaysCurrency)
|
|
% RippleAddress::createHumanAccountID (uTakerPaysIssuerID)
|
|
% STAmount::createHumanCurrency (uTakerGetsCurrency)
|
|
% RippleAddress::createHumanAccountID (uTakerGetsIssuerID)
|
|
% uBaseIndex.ToString ());
|
|
|
|
assert (isValidBook (uTakerPaysCurrency, uTakerPaysIssuerID, uTakerGetsCurrency, uTakerGetsIssuerID));
|
|
|
|
return uBaseIndex;
|
|
}
|
|
|
|
uint256 Ledger::getDirNodeIndex (uint256 const& uDirRoot, const uint64 uNodeIndex)
|
|
{
|
|
if (uNodeIndex)
|
|
{
|
|
Serializer s (42);
|
|
|
|
s.add16 (spaceDirNode); // 2
|
|
s.add256 (uDirRoot); // 32
|
|
s.add64 (uNodeIndex); // 8
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
else
|
|
{
|
|
return uDirRoot;
|
|
}
|
|
}
|
|
|
|
uint256 Ledger::getGeneratorIndex (const uint160& uGeneratorID)
|
|
{
|
|
Serializer s (22);
|
|
|
|
s.add16 (spaceGenerator); // 2
|
|
s.add160 (uGeneratorID); // 20
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
// What is important:
|
|
// --> uNickname: is a Sha256
|
|
// <-- SHA512/2: for consistency and speed in generating indexes.
|
|
uint256 Ledger::getNicknameIndex (uint256 const& uNickname)
|
|
{
|
|
Serializer s (34);
|
|
|
|
s.add16 (spaceNickname); // 2
|
|
s.add256 (uNickname); // 32
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getOfferIndex (const uint160& uAccountID, uint32 uSequence)
|
|
{
|
|
Serializer s (26);
|
|
|
|
s.add16 (spaceOffer); // 2
|
|
s.add160 (uAccountID); // 20
|
|
s.add32 (uSequence); // 4
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getOwnerDirIndex (const uint160& uAccountID)
|
|
{
|
|
Serializer s (22);
|
|
|
|
s.add16 (spaceOwnerDir); // 2
|
|
s.add160 (uAccountID); // 20
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
uint256 Ledger::getRippleStateIndex (const RippleAddress& naA, const RippleAddress& naB, const uint160& uCurrency)
|
|
{
|
|
uint160 uAID = naA.getAccountID ();
|
|
uint160 uBID = naB.getAccountID ();
|
|
bool bAltB = uAID < uBID;
|
|
Serializer s (62);
|
|
|
|
s.add16 (spaceRipple); // 2
|
|
s.add160 (bAltB ? uAID : uBID); // 20
|
|
s.add160 (bAltB ? uBID : uAID); // 20
|
|
s.add160 (uCurrency); // 20
|
|
|
|
return s.getSHA512Half ();
|
|
}
|
|
|
|
bool Ledger::walkLedger ()
|
|
{
|
|
std::vector <SHAMapMissingNode> missingNodes1;
|
|
std::vector <SHAMapMissingNode> missingNodes2;
|
|
|
|
mAccountStateMap->walkMap (missingNodes1, 32);
|
|
|
|
if (ShouldLog (lsINFO, Ledger) && !missingNodes1.empty ())
|
|
{
|
|
Log (lsINFO) << missingNodes1.size () << " missing account node(s)";
|
|
Log (lsINFO) << "First: " << missingNodes1[0];
|
|
}
|
|
|
|
mTransactionMap->walkMap (missingNodes2, 32);
|
|
|
|
if (ShouldLog (lsINFO, Ledger) && !missingNodes2.empty ())
|
|
{
|
|
Log (lsINFO) << missingNodes2.size () << " missing transaction node(s)";
|
|
Log (lsINFO) << "First: " << missingNodes2[0];
|
|
}
|
|
|
|
return missingNodes1.empty () && missingNodes2.empty ();
|
|
}
|
|
|
|
bool Ledger::assertSane ()
|
|
{
|
|
if (mHash.isNonZero () &&
|
|
mAccountHash.isNonZero () &&
|
|
mAccountStateMap &&
|
|
mTransactionMap &&
|
|
(mAccountHash == mAccountStateMap->getHash ()) &&
|
|
(mTransHash == mTransactionMap->getHash ()))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
Log (lsFATAL) << "ledger is not sane";
|
|
|
|
Json::Value j = getJson (0);
|
|
|
|
j ["accountTreeHash"] = mAccountHash.GetHex ();
|
|
j ["transTreeHash"] = mTransHash.GetHex ();
|
|
|
|
assert (false);
|
|
|
|
return false;
|
|
}
|
|
|
|
// update the skip list with the information from our previous ledger
|
|
void Ledger::updateSkipList ()
|
|
{
|
|
if (mLedgerSeq == 0) // genesis ledger has no previous ledger
|
|
return;
|
|
|
|
uint32 prevIndex = mLedgerSeq - 1;
|
|
|
|
// update record of every 256th ledger
|
|
if ((prevIndex & 0xff) == 0)
|
|
{
|
|
uint256 hash = getLedgerHashIndex (prevIndex);
|
|
SLE::pointer skipList = getSLE (hash);
|
|
std::vector<uint256> hashes;
|
|
|
|
// VFALCO TODO Document this skip list concept
|
|
if (!skipList)
|
|
skipList = boost::make_shared<SLE> (ltLEDGER_HASHES, hash);
|
|
else
|
|
hashes = skipList->getFieldV256 (sfHashes).peekValue ();
|
|
|
|
assert (hashes.size () <= 256);
|
|
hashes.push_back (mParentHash);
|
|
skipList->setFieldV256 (sfHashes, STVector256 (hashes));
|
|
skipList->setFieldU32 (sfLastLedgerSequence, prevIndex);
|
|
|
|
if (writeBack (lepCREATE, skipList) == lepERROR)
|
|
{
|
|
assert (false);
|
|
}
|
|
}
|
|
|
|
// update record of past 256 ledger
|
|
uint256 hash = getLedgerHashIndex ();
|
|
|
|
SLE::pointer skipList = getSLE (hash);
|
|
|
|
std::vector <uint256> hashes;
|
|
|
|
if (!skipList)
|
|
{
|
|
skipList = boost::make_shared<SLE> (ltLEDGER_HASHES, hash);
|
|
}
|
|
else
|
|
{
|
|
hashes = skipList->getFieldV256 (sfHashes).peekValue ();
|
|
}
|
|
|
|
assert (hashes.size () <= 256);
|
|
|
|
if (hashes.size () == 256)
|
|
hashes.erase (hashes.begin ());
|
|
|
|
hashes.push_back (mParentHash);
|
|
skipList->setFieldV256 (sfHashes, STVector256 (hashes));
|
|
skipList->setFieldU32 (sfLastLedgerSequence, prevIndex);
|
|
|
|
if (writeBack (lepCREATE, skipList) == lepERROR)
|
|
{
|
|
assert (false);
|
|
}
|
|
}
|
|
|
|
uint32 Ledger::roundCloseTime (uint32 closeTime, uint32 closeResolution)
|
|
{
|
|
if (closeTime == 0)
|
|
return 0;
|
|
|
|
closeTime += (closeResolution / 2);
|
|
return closeTime - (closeTime % closeResolution);
|
|
}
|
|
|
|
void Ledger::pendSave (bool fromConsensus)
|
|
{
|
|
if (!fromConsensus && !getApp().getHashRouter ().setFlag (getHash (), SF_SAVED))
|
|
return;
|
|
|
|
assert (isImmutable ());
|
|
|
|
getApp().getJobQueue ().addJob (
|
|
fromConsensus ? jtPUBLEDGER : jtPUBOLDLEDGER,
|
|
fromConsensus ? "Ledger::pendSave" : "Ledger::pendOldSave",
|
|
BIND_TYPE (&Ledger::saveAcceptedLedger, shared_from_this (), P_1, fromConsensus));
|
|
|
|
}
|
|
|
|
void Ledger::ownerDirDescriber (SLE::ref sle, const uint160& owner)
|
|
{
|
|
sle->setFieldAccount (sfOwner, owner);
|
|
}
|
|
|
|
void Ledger::qualityDirDescriber (SLE::ref sle,
|
|
const uint160& uTakerPaysCurrency, const uint160& uTakerPaysIssuer,
|
|
const uint160& uTakerGetsCurrency, const uint160& uTakerGetsIssuer,
|
|
const uint64& uRate)
|
|
{
|
|
sle->setFieldH160 (sfTakerPaysCurrency, uTakerPaysCurrency);
|
|
sle->setFieldH160 (sfTakerPaysIssuer, uTakerPaysIssuer);
|
|
sle->setFieldH160 (sfTakerGetsCurrency, uTakerGetsCurrency);
|
|
sle->setFieldH160 (sfTakerGetsIssuer, uTakerGetsIssuer);
|
|
sle->setFieldU64 (sfExchangeRate, uRate);
|
|
}
|
|
|
|
void Ledger::initializeFees ()
|
|
{
|
|
mBaseFee = 0;
|
|
mReferenceFeeUnits = 0;
|
|
mReserveBase = 0;
|
|
mReserveIncrement = 0;
|
|
}
|
|
|
|
void Ledger::updateFees ()
|
|
{
|
|
mBaseFee = getConfig ().FEE_DEFAULT;
|
|
mReferenceFeeUnits = 10;
|
|
mReserveBase = getConfig ().FEE_ACCOUNT_RESERVE;
|
|
mReserveIncrement = getConfig ().FEE_OWNER_RESERVE;
|
|
|
|
LedgerStateParms p = lepNONE;
|
|
SLE::pointer sle = getASNode (p, Ledger::getLedgerFeeIndex (), ltFEE_SETTINGS);
|
|
|
|
if (!sle)
|
|
return;
|
|
|
|
if (sle->getFieldIndex (sfBaseFee) != -1)
|
|
mBaseFee = sle->getFieldU64 (sfBaseFee);
|
|
|
|
if (sle->getFieldIndex (sfReferenceFeeUnits) != -1)
|
|
mReferenceFeeUnits = sle->getFieldU32 (sfReferenceFeeUnits);
|
|
|
|
if (sle->getFieldIndex (sfReserveBase) != -1)
|
|
mReserveBase = sle->getFieldU32 (sfReserveBase);
|
|
|
|
if (sle->getFieldIndex (sfReserveIncrement) != -1)
|
|
mReserveIncrement = sle->getFieldU32 (sfReserveIncrement);
|
|
}
|
|
|
|
uint64 Ledger::scaleFeeBase (uint64 fee)
|
|
{
|
|
if (!mBaseFee)
|
|
updateFees ();
|
|
|
|
return getApp().getFeeTrack ().scaleFeeBase (fee, mBaseFee, mReferenceFeeUnits);
|
|
}
|
|
|
|
uint64 Ledger::scaleFeeLoad (uint64 fee, bool bAdmin)
|
|
{
|
|
if (!mBaseFee)
|
|
updateFees ();
|
|
|
|
return getApp().getFeeTrack ().scaleFeeLoad (fee, mBaseFee, mReferenceFeeUnits, bAdmin);
|
|
}
|
|
|
|
std::vector<uint256> Ledger::getNeededTransactionHashes (int max, SHAMapSyncFilter* filter)
|
|
{
|
|
std::vector<uint256> ret;
|
|
|
|
if (mTransHash.isNonZero ())
|
|
{
|
|
if (mTransactionMap->getHash ().isZero ())
|
|
ret.push_back (mTransHash);
|
|
else
|
|
ret = mTransactionMap->getNeededHashes (max, filter);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::vector<uint256> Ledger::getNeededAccountStateHashes (int max, SHAMapSyncFilter* filter)
|
|
{
|
|
std::vector<uint256> ret;
|
|
|
|
if (mAccountHash.isNonZero ())
|
|
{
|
|
if (mAccountStateMap->getHash ().isZero ())
|
|
ret.push_back (mAccountHash);
|
|
else
|
|
ret = mAccountStateMap->getNeededHashes (max, filter);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
class LedgerTests : public UnitTest
|
|
{
|
|
public:
|
|
LedgerTests () : UnitTest ("Ledger", "ripple")
|
|
{
|
|
}
|
|
|
|
void runTest ()
|
|
{
|
|
beginTestCase ("uint256");
|
|
|
|
uint256 uBig ("D2DC44E5DC189318DB36EF87D2104CDF0A0FE3A4B698BEEE55038D7EA4C68000");
|
|
|
|
// VFALCO NOTE This fails in the original version as well.
|
|
expect (6125895493223874560 == Ledger::getQuality (uBig));
|
|
}
|
|
};
|
|
|
|
static LedgerTests ledgerTests;
|