Files
xahaud/src/cpp/ripple/LedgerProposal.cpp
2012-11-07 12:49:50 -08:00

109 lines
2.8 KiB
C++

#include "LedgerProposal.h"
#include <boost/make_shared.hpp>
#include "key.h"
#include "Application.h"
#include "HashPrefixes.h"
DECLARE_INSTANCE(LedgerProposal);
LedgerProposal::LedgerProposal(const uint256& pLgr, uint32 seq, const uint256& tx, uint32 closeTime,
const RippleAddress& naPeerPublic, const uint256& 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,
const uint256& prevLgr, const uint256& 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(const uint256& prevLgr, const uint256& 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(sHP_Proposal);
s.add32(mProposeSeq);
s.add32(mCloseTime);
s.add256(mPreviousLedger);
s.add256(mCurrentHash);
return s.getSHA512Half();
}
bool LedgerProposal::checkSign(const std::string& signature, const uint256& signingHash)
{
return mPublicKey.verifyNodePublic(signingHash, signature);
}
bool LedgerProposal::changePosition(const uint256& 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;
}
std::vector<unsigned char> LedgerProposal::sign(void)
{
std::vector<unsigned char> 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