Files
rippled/modules/ripple_app/ledger/LedgerProposal.cpp
2013-07-24 11:51:38 -07:00

104 lines
3.1 KiB
C++

//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================
LedgerProposal::LedgerProposal (uint256 const& pLgr, uint32 seq, uint256 const& tx, uint32 closeTime,
const RippleAddress& naPeerPublic, uint256 const& suppression) :
mPreviousLedger (pLgr), mCurrentHash (tx), mSuppression (suppression), mCloseTime (closeTime),
mProposeSeq (seq), mPublicKey (naPeerPublic)
{
// XXX Validate key.
// if (!mKey->SetPubKey(pubKey))
// throw std::runtime_error("Invalid public key in proposal");
mPeerID = mPublicKey.getNodeID ();
mTime = boost::posix_time::second_clock::universal_time ();
}
LedgerProposal::LedgerProposal (const RippleAddress& naPub, const RippleAddress& naPriv,
uint256 const& prevLgr, uint256 const& position, uint32 closeTime) :
mPreviousLedger (prevLgr), mCurrentHash (position), mCloseTime (closeTime), mProposeSeq (0),
mPublicKey (naPub), mPrivateKey (naPriv)
{
mPeerID = mPublicKey.getNodeID ();
mTime = boost::posix_time::second_clock::universal_time ();
}
LedgerProposal::LedgerProposal (uint256 const& prevLgr, uint256 const& position, uint32 closeTime) :
mPreviousLedger (prevLgr), mCurrentHash (position), mCloseTime (closeTime), mProposeSeq (0)
{
mTime = boost::posix_time::second_clock::universal_time ();
}
uint256 LedgerProposal::getSigningHash () const
{
Serializer s ((32 + 32 + 32 + 256 + 256) / 8);
s.add32 (getConfig ().SIGN_PROPOSAL);
s.add32 (mProposeSeq);
s.add32 (mCloseTime);
s.add256 (mPreviousLedger);
s.add256 (mCurrentHash);
return s.getSHA512Half ();
}
bool LedgerProposal::checkSign (const std::string& signature, uint256 const& signingHash)
{
return mPublicKey.verifyNodePublic (signingHash, signature);
}
bool LedgerProposal::changePosition (uint256 const& newPosition, uint32 closeTime)
{
if (mProposeSeq == seqLeave)
return false;
mCurrentHash = newPosition;
mCloseTime = closeTime;
mTime = boost::posix_time::second_clock::universal_time ();
++mProposeSeq;
return true;
}
void LedgerProposal::bowOut ()
{
mTime = boost::posix_time::second_clock::universal_time ();
mProposeSeq = seqLeave;
}
Blob LedgerProposal::sign (void)
{
Blob ret;
mPrivateKey.signNodePrivate (getSigningHash (), ret);
// XXX If this can fail, find out sooner.
// if (!mPrivateKey.signNodePrivate(getSigningHash(), ret))
// throw std::runtime_error("unable to sign proposal");
return ret;
}
Json::Value LedgerProposal::getJson () const
{
Json::Value ret = Json::objectValue;
ret["previous_ledger"] = mPreviousLedger.GetHex ();
if (mProposeSeq != seqLeave)
{
ret["transaction_hash"] = mCurrentHash.GetHex ();
ret["propose_seq"] = mProposeSeq;
}
ret["close_time"] = mCloseTime;
if (mPublicKey.isValid ())
ret["peer_id"] = mPublicKey.humanNodePublic ();
return ret;
}
// vim:ts=4