mirror of
https://github.com/XRPLF/rippled.git
synced 2025-12-06 17:27:55 +00:00
Clean up and restructure sources
This commit is contained in:
Vinnie Falco
233
src/ripple/app/misc/FeeVoteImpl.cpp
Normal file
233
src/ripple/app/misc/FeeVoteImpl.cpp
Normal file
@@ -0,0 +1,233 @@
|
||||
//------------------------------------------------------------------------------
|
||||
/*
|
||||
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.
|
||||
*/
|
||||
//==============================================================================
|
||||
|
||||
namespace ripple {
|
||||
|
||||
class FeaturesImpl;
|
||||
|
||||
class FeeVoteImpl : public FeeVote
|
||||
{
|
||||
private:
|
||||
|
||||
template <typename Integer>
|
||||
class VotableInteger
|
||||
{
|
||||
public:
|
||||
VotableInteger (Integer current, Integer target)
|
||||
: mCurrent (current)
|
||||
, mTarget (target)
|
||||
{
|
||||
// Add our vote
|
||||
++mVoteMap[mTarget];
|
||||
}
|
||||
|
||||
bool
|
||||
mayVote () const
|
||||
{
|
||||
// If we love the current setting, we will not vote
|
||||
return mCurrent != mTarget;
|
||||
}
|
||||
|
||||
void
|
||||
addVote (Integer vote)
|
||||
{
|
||||
++mVoteMap[vote];
|
||||
}
|
||||
|
||||
void
|
||||
noVote ()
|
||||
{
|
||||
addVote (mCurrent);
|
||||
}
|
||||
|
||||
Integer
|
||||
getVotes ()
|
||||
{
|
||||
Integer ourVote = mCurrent;
|
||||
int weight = 0;
|
||||
|
||||
typedef typename std::map<Integer, int>::value_type mapVType;
|
||||
for (auto const& e : mVoteMap)
|
||||
{
|
||||
// Take most voted value between current and target, inclusive
|
||||
if ((e.first <= std::max (mTarget, mCurrent)) &&
|
||||
(e.first >= std::min (mTarget, mCurrent)) &&
|
||||
(e.second > weight))
|
||||
{
|
||||
ourVote = e.first;
|
||||
weight = e.second;
|
||||
}
|
||||
}
|
||||
|
||||
return ourVote;
|
||||
}
|
||||
|
||||
private:
|
||||
Integer mCurrent; // The current setting
|
||||
Integer mTarget; // The setting we want
|
||||
std::map<Integer, int> mVoteMap;
|
||||
};
|
||||
|
||||
public:
|
||||
FeeVoteImpl (std::uint64_t targetBaseFee, std::uint32_t targetReserveBase,
|
||||
std::uint32_t targetReserveIncrement, beast::Journal journal)
|
||||
: mTargetBaseFee (targetBaseFee)
|
||||
, mTargetReserveBase (targetReserveBase)
|
||||
, mTargetReserveIncrement (targetReserveIncrement)
|
||||
, m_journal (journal)
|
||||
{
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------
|
||||
|
||||
void
|
||||
doValidation (Ledger::ref lastClosedLedger, STObject& baseValidation) override
|
||||
{
|
||||
if (lastClosedLedger->getBaseFee () != mTargetBaseFee)
|
||||
{
|
||||
if (m_journal.info) m_journal.info <<
|
||||
"Voting for base fee of " << mTargetBaseFee;
|
||||
|
||||
baseValidation.setFieldU64 (sfBaseFee, mTargetBaseFee);
|
||||
}
|
||||
|
||||
if (lastClosedLedger->getReserve (0) != mTargetReserveBase)
|
||||
{
|
||||
if (m_journal.info) m_journal.info <<
|
||||
"Voting for base resrve of " << mTargetReserveBase;
|
||||
|
||||
baseValidation.setFieldU32(sfReserveBase, mTargetReserveBase);
|
||||
}
|
||||
|
||||
if (lastClosedLedger->getReserveInc () != mTargetReserveIncrement)
|
||||
{
|
||||
if (m_journal.info) m_journal.info <<
|
||||
"Voting for reserve increment of " << mTargetReserveIncrement;
|
||||
|
||||
baseValidation.setFieldU32 (sfReserveIncrement, mTargetReserveIncrement);
|
||||
}
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------
|
||||
|
||||
void
|
||||
doVoting (Ledger::ref lastClosedLedger, SHAMap::ref initialPosition) override
|
||||
{
|
||||
// LCL must be flag ledger
|
||||
assert ((lastClosedLedger->getLedgerSeq () % 256) == 0);
|
||||
|
||||
VotableInteger<std::uint64_t> baseFeeVote (lastClosedLedger->getBaseFee (), mTargetBaseFee);
|
||||
VotableInteger<std::uint32_t> baseReserveVote (lastClosedLedger->getReserve (0), mTargetReserveBase);
|
||||
VotableInteger<std::uint32_t> incReserveVote (lastClosedLedger->getReserveInc (), mTargetReserveIncrement);
|
||||
|
||||
// get validations for ledger before flag
|
||||
ValidationSet set = getApp().getValidations ().getValidations (lastClosedLedger->getParentHash ());
|
||||
for (auto const& e : set)
|
||||
{
|
||||
SerializedValidation const& val = *e.second;
|
||||
|
||||
if (val.isTrusted ())
|
||||
{
|
||||
if (val.isFieldPresent (sfBaseFee))
|
||||
{
|
||||
baseFeeVote.addVote (val.getFieldU64 (sfBaseFee));
|
||||
}
|
||||
else
|
||||
{
|
||||
baseFeeVote.noVote ();
|
||||
}
|
||||
|
||||
if (val.isFieldPresent (sfReserveBase))
|
||||
{
|
||||
baseReserveVote.addVote (val.getFieldU32 (sfReserveBase));
|
||||
}
|
||||
else
|
||||
{
|
||||
baseReserveVote.noVote ();
|
||||
}
|
||||
|
||||
if (val.isFieldPresent (sfReserveIncrement))
|
||||
{
|
||||
incReserveVote.addVote (val.getFieldU32 (sfReserveIncrement));
|
||||
}
|
||||
else
|
||||
{
|
||||
incReserveVote.noVote ();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// choose our positions
|
||||
std::uint64_t baseFee = baseFeeVote.getVotes ();
|
||||
std::uint32_t baseReserve = baseReserveVote.getVotes ();
|
||||
std::uint32_t incReserve = incReserveVote.getVotes ();
|
||||
|
||||
// add transactions to our position
|
||||
if ((baseFee != lastClosedLedger->getBaseFee ()) ||
|
||||
(baseReserve != lastClosedLedger->getReserve (0)) ||
|
||||
(incReserve != lastClosedLedger->getReserveInc ()))
|
||||
{
|
||||
if (m_journal.warning) m_journal.warning <<
|
||||
"We are voting for a fee change: " << baseFee <<
|
||||
"/" << baseReserve <<
|
||||
"/" << incReserve;
|
||||
|
||||
SerializedTransaction trans (ttFEE);
|
||||
trans.setFieldAccount (sfAccount, Account ());
|
||||
trans.setFieldU64 (sfBaseFee, baseFee);
|
||||
trans.setFieldU32 (sfReferenceFeeUnits, 10);
|
||||
trans.setFieldU32 (sfReserveBase, baseReserve);
|
||||
trans.setFieldU32 (sfReserveIncrement, incReserve);
|
||||
|
||||
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 fee change";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
std::uint64_t mTargetBaseFee;
|
||||
std::uint32_t mTargetReserveBase;
|
||||
std::uint32_t mTargetReserveIncrement;
|
||||
beast::Journal m_journal;
|
||||
};
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
std::unique_ptr<FeeVote>
|
||||
make_FeeVote (std::uint64_t targetBaseFee, std::uint32_t targetReserveBase,
|
||||
std::uint32_t targetReserveIncrement, beast::Journal journal)
|
||||
{
|
||||
return std::make_unique<FeeVoteImpl> (targetBaseFee, targetReserveBase,
|
||||
targetReserveIncrement, journal);
|
||||
}
|
||||
|
||||
} // ripple
|
||||
Reference in New Issue
Block a user