.

Ledger.cpp

@@ -17,6 +17,12 @@ Ledger::Ledger(uint32 index)
 	mIndex=index;
 	mValidSig=false;
 	mValidHash=false;
+	mValidationSeqNum=0;
+}
+
+Ledger::Ledger(newcoin::FullLedger& ledger)
+{
+	setTo(ledger);
 }
 
 // TODO: we should probably make a shared pointer type for each of these PB types
@@ -25,7 +31,7 @@ newcoin::FullLedger* Ledger::createFullLedger()
 	// TODO: do we need to hash and create accounts map first?
 	newcoin::FullLedger* ledger=new newcoin::FullLedger();
 	ledger->set_index(mIndex);
-	ledger->set_hash(mHash);
+	ledger->set_hash(mHash.begin(),mHash.GetSerializeSize());
 	
 	pair<uint160, pair<uint64,uint32> >& account=pair<uint160, pair<uint64,uint32> >();
 	BOOST_FOREACH(account,mAccounts)
@@ -48,12 +54,14 @@ void Ledger::setTo(newcoin::FullLedger& ledger)
 	mAccounts.clear();
 	mValidSig=false;
 	mValidHash=false;
-	
+
+	mParentHash=Transaction::protobufToInternalHash(ledger.parenthash());	
+
 	int numAccounts=ledger.accounts_size();
 	for(int n=0; n<numAccounts; n++)
 	{
 		const newcoin::Account& account=ledger.accounts(n);
-		mAccounts[ NewcoinAddress::protobufToInternal(account.address()) ] = pair<uint64,uint32>(account.amount(),account.seqnum());
+		mAccounts[ NewcoinAddress::protobufToInternal(account.address()) ] = Account(account.amount(),account.seqnum());
 	}
 
 	int numTrans=ledger.transactions_size();
@@ -64,6 +72,15 @@ void Ledger::setTo(newcoin::FullLedger& ledger)
 	}
 }
 
+Ledger::pointer Ledger::getParent()
+{
+	if(!mParent)
+	{
+		mParent=theApp->getLedgerMaster().getLedger(mParentHash);
+	}
+	return(mParent);
+}
+
 bool Ledger::load(std::string dir)
 {
 	string filename=strprintf("%s%u.ledger",dir,mIndex);
@@ -114,54 +131,32 @@ Ledger::Account* Ledger::getAccount(uint160& address)
 	return(NULL);
 }
 
-string& Ledger::getHash()
+uint256& Ledger::getHash()
 {
 	if(!mValidHash) hash();
 	return(mHash); 
 }
 
-string& Ledger::getSignature()
+uint256& Ledger::getSignature()
 {
 	if(!mValidSig) sign();
 	return(mSignature); 
 }
 
-void Ledger::publish()
+void Ledger::publishValidation()
 {
 	PackedMessage::pointer packet=Peer::createValidation(shared_from_this());
 	theApp->getConnectionPool().relayMessage(NULL,packet);
 }
 
-void Ledger::finalize()
-{
-	
-}
-
 void Ledger::sign()
 {
 	// TODO:
 }
 
-void Ledger::calcMoneyMap()
-{
-/*
-	// start with map from the previous ledger
-	// go through every transaction
-	Ledger::pointer parent=theApp->getLedgerMaster().getLedger(mIndex-1);
-	if(parent)
-	{
-		mMoneyMap.clear();
-		mMoneyMap=parent->getMoneyMap();
-
-		mBundle.updateMap(mMoneyMap);
-		// TODO: strip the 0 ones
-	} */
-}
 
 void Ledger::hash()
 {
-	calcMoneyMap();
-
 	// TODO:
 }
 

Ledger.h

@@ -23,8 +23,10 @@ private:
 	bool mFaith; //TODO: if you will bother to validate this ledger or not. You have to accept the first ledger on Faith 
 
 	uint32 mIndex;
-	std::string mHash;
+	uint256 mHash;
-	std::string mSignature;
+	uint256 mSignature;
+	uint256 mParentHash;
+	uint32 mValidationSeqNum;
 
 
 
@@ -40,7 +42,6 @@ private:
 	Ledger::pointer mChild;
 	
 	
-	void calcMoneyMap();
 	void sign();
 	void hash();
 	void addTransactionRecalculate(TransactionPtr trans);
@@ -48,6 +49,8 @@ private:
 public:
 	typedef boost::shared_ptr<Ledger> pointer;
 	Ledger(uint32 index);
+	Ledger(newcoin::FullLedger& ledger);
+
 	void setTo(newcoin::FullLedger& ledger);
 
 	void save(std::string dir);
@@ -55,9 +58,9 @@ public:
 
 	void recalculate(bool recursive=true);
 
-	void publish();
+	void publishValidation();
-	void finalize();
 
+	std::list<TransactionPtr>& getTransactions(){ return(mTransactions); }
 
 	bool hasTransaction(TransactionPtr trans);
 	int64 getAmountHeld(uint160& address);
@@ -67,13 +70,16 @@ public:
 	void addIgnoredValidation(newcoin::Validation& valid);
 
 	uint32 getIndex(){ return(mIndex); }
-	std::string& getHash();
+	uint256& getHash();
-	std::string& getSignature();
+	uint256& getSignature();
+	uint32 getValidSeqNum(){ return(mValidationSeqNum); }
 	unsigned int getNumTransactions(){ return(mTransactions.size()); }
 	std::map<uint160, std::pair<int64,uint32> >& getAccounts(){ return(mAccounts); }
 	Account* getAccount(uint160& address);
 	newcoin::FullLedger* createFullLedger();
 
+	Ledger::pointer getParent();
+
 
 };
 

LedgerHistory.cpp

@@ -24,7 +24,7 @@ bool LedgerHistory::loadLedger(uint32 index)
 // this will see if the ledger is in memory
 // if not it will check disk and load it
 // if not it will return NULL
-Ledger::pointer LedgerHistory::getLedger(uint32 index)
+Ledger::pointer LedgerHistory::getAcceptedLedger(uint32 index)
 {
 	if(mAcceptedLedgers.count(index))
 		return(mAcceptedLedgers[index]);

LedgerHistory.h

@@ -23,9 +23,10 @@ public:
 	void load();
 	
 	void addLedger(Ledger::pointer ledger);
+	void addAcceptedLedger(Ledger::pointer ledger);
 
-	Ledger::pointer getLedger(uint32 index);
+	Ledger::pointer getAcceptedLedger(uint32 index);
-	Ledger::pointer getLedger(uint256 hash);
+	Ledger::pointer getLedger(uint256& hash);
 };
 
 #endif

LedgerMaster.cpp

@@ -35,10 +35,6 @@ int64 LedgerMaster::getAmountHeld(std::string& addr)
 	return(mCurrentLedger->getAmountHeld(NewcoinAddress::humanToInternal(addr)));
 }
 
-Ledger::pointer LedgerMaster::getLedger(uint32 index)
-{
-	return(mLedgerHistory.getLedger(index));
-}
 
 
 bool LedgerMaster::isTransactionOnFutureList(TransactionPtr needle)
@@ -85,13 +81,16 @@ bool LedgerMaster::addTransaction(TransactionPtr trans)
 			// TODO: since maybe we are adding a whole bunch at once. we should send at the end of the batch
 			// TODO: do we ever really need to re-propose?
 			//if(mAfterProposed) sendProposal();
+			theApp->getWallet().transactionChanged(trans);
 			return(true);
 		}else return(false);
 	}else if(trans->ledgerindex()==mCurrentLedger->getIndex())
 	{
 		if(mCurrentLedger->hasTransaction(trans)) return(false);
 		if(!isValidTransaction(trans)) return(false);
-		return( mCurrentLedger->addTransaction(trans,false) );
+		if(!mCurrentLedger->addTransaction(trans,false)) return(false);
+		theApp->getWallet().transactionChanged(trans);
+		return( true );
 	}else if(trans->ledgerindex()>mCurrentLedger->getIndex())
 	{ // in the future
 		
@@ -110,51 +109,68 @@ bool LedgerMaster::addTransaction(TransactionPtr trans)
 		uint32 checkIndex=trans->ledgerindex();
 		while(checkIndex <= mCurrentLedger->getIndex())
 		{
-			Ledger::pointer ledger=mLedgerHistory.getLedger(checkIndex);
+			Ledger::pointer ledger=mLedgerHistory.getAcceptedLedger(checkIndex);
 			if(ledger)
 			{
 				if(ledger->hasTransaction(trans)) return(false);
 			}
 			checkIndex++;
 		}
-
+		if(!mCurrentLedger->addTransaction(trans,false)) return(false);
-		return( mCurrentLedger->addTransaction(trans,false) );
+		theApp->getWallet().transactionChanged(trans);
+		return(true);
 	}
 }
 
 
-void LedgerMaster::gotFullLedger(newcoin::FullLedger& ledger)
+
+void LedgerMaster::addFullLedger(newcoin::FullLedger& ledger)
 {
-	// TODO:
+	// check if we already have this ledger
-	// if this is a historical ledger we don't have we can add it to the history?
+	// check that the hash is correct
-	// if this is the same index as the finalized ledger we should go through and look for transactions we missed
+	uint256 inHash=Transaction::protobufToInternalHash(ledger.hash());
-	// if this is a historical ledger but it has more consensus than the one you have use it.
+	Ledger::pointer existingLedger=mLedgerHistory.getLedger( inHash );
+	if(existingLedger) return;
+
+	Ledger::pointer newLedger=Ledger::pointer(new Ledger(ledger));
+	if(newLedger->getHash()==inHash)
+	{
+		mLedgerHistory.addLedger(newLedger);
+
+		// add all these in case we are missing some
+		BOOST_FOREACH(TransactionPtr trans, newLedger->getTransactions())
+		{
+			addTransaction(trans);
+		}
+
+	}else cout << "We were sent a bad ledger hash" << endl;
+
+}
+
+
+void LedgerMaster::startFinalization()
+{
+	mFinalizingLedger=mCurrentLedger;
+	mCurrentLedger=Ledger::pointer(new Ledger(mCurrentLedger->getIndex()+1));
+
+	applyFutureProposals( mFinalizingLedger->getIndex() );
+	applyFutureTransactions( mCurrentLedger->getIndex() );
 }
 
 void LedgerMaster::sendProposal()
 {
-	//mAfterProposed=true;
 	PackedMessage::pointer packet=Peer::createLedgerProposal(mFinalizingLedger);
 	theApp->getConnectionPool().relayMessage(NULL,packet);
 }
 
-void LedgerMaster::nextLedger()
+
+void LedgerMaster::endFinalization()
 {
-	// publish past ledger
+	mFinalizingLedger->publishValidation();
-	// finalize current ledger
+	mLedgerHistory.addAcceptedLedger(mFinalizingLedger);
-	// start a new ledger
+	mLedgerHistory.addLedger(mFinalizingLedger);
 
-	//mAfterProposed=false;
+	mFinalizingLedger=Ledger::pointer();
-	Ledger::pointer closedLedger=mFinalizingLedger;
-	mFinalizingLedger=mCurrentLedger;
-	mCurrentLedger=Ledger::pointer(new Ledger(mCurrentLedger->getIndex()+1));
-
-	mFinalizingLedger->finalize();
-	closedLedger->publish();
-	mLedgerHistory.addLedger(closedLedger);
-
-	applyFutureProposals( mFinalizingLedger->getIndex() );
-	applyFutureTransactions( mCurrentLedger->getIndex() );
 }
 
 void LedgerMaster::addFutureProposal(Peer::pointer peer,newcoin::ProposeLedger& otherLedger)
@@ -195,10 +211,10 @@ void LedgerMaster::checkLedgerProposal(Peer::pointer peer, newcoin::ProposeLedge
 	
 	if(otherLedger.ledgerindex()<mFinalizingLedger->getIndex())
 	{ // you have already closed this ledger
-		Ledger::pointer oldLedger=mLedgerHistory.getLedger(otherLedger.ledgerindex());
+		Ledger::pointer oldLedger=mLedgerHistory.getAcceptedLedger(otherLedger.ledgerindex());
 		if(oldLedger)
 		{
-			if( (oldLedger->getHash()!=otherLedger.hash()) &&
+			if( (oldLedger->getHash()!=Transaction::protobufToInternalHash(otherLedger.hash())) &&
 				(oldLedger->getNumTransactions()>=otherLedger.numtransactions()))
 			{
 				peer->sendLedgerProposal(oldLedger);
@@ -209,7 +225,7 @@ void LedgerMaster::checkLedgerProposal(Peer::pointer peer, newcoin::ProposeLedge
 		addFutureProposal(peer,otherLedger);
 	}else
 	{ // you guys are on the same page
-		if(mFinalizingLedger->getHash()!=otherLedger.hash())
+		if(mFinalizingLedger->getHash()!= Transaction::protobufToInternalHash(otherLedger.hash()))
 		{
 			if( mFinalizingLedger->getNumTransactions()>=otherLedger.numtransactions())
 			{

LedgerMaster.h

@@ -41,17 +41,20 @@ public:
 	void save();
 
 	uint32 getCurrentLedgerIndex();
-	//int getCurrentLedgerSeconds();
+
-	Ledger::pointer getLedger(uint32 index);
+	Ledger::pointer getAcceptedLedger(uint32 index){ return(mLedgerHistory.getAcceptedLedger(index)); }
+	Ledger::pointer getLedger(uint256& hash){ return(mLedgerHistory.getLedger(hash)); }
+
 	int64 getAmountHeld(std::string& addr);
 	int64 getAmountHeld(uint160& addr);
 	Ledger::Account* getAccount(uint160& addr){ return(mCurrentLedger->getAccount(addr)); }
 
 	bool addTransaction(TransactionPtr trans);
-	void gotFullLedger(newcoin::FullLedger& ledger);
+	void addFullLedger(newcoin::FullLedger& ledger);
 
-	void nextLedger();
+	void startFinalization();
 	void sendProposal();
+	void endFinalization();
 	void checkLedgerProposal(Peer::pointer peer,newcoin::ProposeLedger& packet);
 };
 

Peer.cpp

@@ -107,9 +107,10 @@ PackedMessage::pointer Peer::createFullLedger(Ledger::pointer ledger)
 
 PackedMessage::pointer Peer::createLedgerProposal(Ledger::pointer ledger)
 {
+	uint256& hash=ledger->getHash();
 	newcoin::ProposeLedger* prop=new newcoin::ProposeLedger();
 	prop->set_ledgerindex(ledger->getIndex());
-	prop->set_hash(ledger->getHash());
+	prop->set_hash(hash.begin(),hash.GetSerializeSize());
 	prop->set_numtransactions(ledger->getNumTransactions());
 
 	PackedMessage::pointer packet(new PackedMessage(PackedMessage::MessagePointer(prop),newcoin::PROPOSE_LEDGER));
@@ -118,10 +119,14 @@ PackedMessage::pointer Peer::createLedgerProposal(Ledger::pointer ledger)
 
 PackedMessage::pointer Peer::createValidation(Ledger::pointer ledger)
 {
+	uint256 hash=ledger->getHash();
+	uint256 sig=ledger->getSignature();
+
 	newcoin::Validation* valid=new newcoin::Validation();
 	valid->set_ledgerindex(ledger->getIndex());
-	valid->set_hash(ledger->getHash());
+	valid->set_hash(hash.begin(),hash.GetSerializeSize());
-	valid->set_sig(ledger->getSignature());
+	valid->set_seqnum(ledger->getValidSeqNum());
+	valid->set_sig(sig.begin(),sig.GetSerializeSize());
 	valid->set_hanko(theConfig.HANKO);
 	
 
@@ -268,7 +273,7 @@ void Peer::receiveHello(newcoin::Hello& packet)
 
 void Peer::receiveGetFullLedger(newcoin::GetFullLedger& gfl)
 {
-	sendFullLedger(theApp->getLedgerMaster().getLedger(gfl.ledgerindex()));
+	sendFullLedger(theApp->getLedgerMaster().getLedger(Transaction::protobufToInternalHash(gfl.hash())));
 }
 
 void Peer::receiveValidation(newcoin::Validation& validation)
@@ -294,9 +299,6 @@ void Peer::receiveTransaction(TransactionPtr trans)
 	// add to the correct transaction bundle and relay if we need to
 	if(theApp->getLedgerMaster().addTransaction(trans))
 	{
-		// tell the wallet in case it was to us
-		theApp->getWallet().transactionAdded(trans);
-
 		// broadcast it to other Peers
 		ConnectionPool& pool=theApp->getConnectionPool();
 		PackedMessage::pointer packet(new PackedMessage(PackedMessage::MessagePointer(new newcoin::Transaction(*(trans.get()))),newcoin::TRANSACTION));
@@ -315,7 +317,7 @@ void Peer::receiveProposeLedger(newcoin::ProposeLedger& packet)
 
 void Peer::receiveFullLedger(newcoin::FullLedger& packet)
 {
-	theApp->getLedgerMaster().gotFullLedger(packet);
+	theApp->getLedgerMaster().addFullLedger(packet);
 }
 
 void Peer::connectTo(KnownNode& node)

TimingService.cpp

@@ -31,7 +31,7 @@ void TimingService::start(boost::asio::io_service& ioService)
 void TimingService::handleLedger()
 {
 	cout << "publish ledger" << endl;
-	theApp->getLedgerMaster().nextLedger();
+	theApp->getLedgerMaster().startFinalization();
 	mLedgerTimer->expires_at(mLedgerTimer->expires_at() + boost::posix_time::seconds(theConfig.LEDGER_SECONDS));
 	mLedgerTimer->async_wait(boost::bind(&TimingService::handleLedger, this));
 
@@ -44,3 +44,8 @@ void TimingService::handleProp()
 	theApp->getLedgerMaster().sendProposal();
 }
 
+void TimingService::handleValid()
+{
+	theApp->getLedgerMaster().endFinalization();
+}
+

TimingService.h

@@ -11,9 +11,11 @@ class TimingService
 {
 	boost::asio::deadline_timer* mLedgerTimer;
 	boost::asio::deadline_timer* mPropTimer;
+	boost::asio::deadline_timer* mValidTimer;
 
 	void handleLedger();
 	void handleProp();
+	void handleValid();
 public:
 	TimingService();
 	void start(boost::asio::io_service& ioService);

Transaction.h

@@ -17,6 +17,8 @@ public:
 	static bool isSigValid(TransactionPtr trans);
 	static bool isEqual(TransactionPtr t1, TransactionPtr t2);
 	static uint256 calcHash(TransactionPtr trans);
+
+	static uint256 protobufToInternalHash(const std::string& hash);
 };
 
 

ValidationCollection.cpp

@@ -1,29 +1,55 @@
 #include "ValidationCollection.h"
 #include "Application.h"
+#include "NewcoinAddress.h"
+#include <boost/foreach.hpp>
 
+bool ValidationCollection::hasValidation(uint256& ledgerHash,uint160& hanko)
+{
+	if(mValidations.count(ledgerHash))
+	{
+		BOOST_FOREACH(newcoin::Validation& valid,mValidations[ledgerHash])
+		{
+			if(NewcoinAddress::protobufToInternal(valid.hanko()) == hanko) return(true);
+		}
+	}
+	if(mIgnoredValidations.count(ledgerHash))
+	{
+		BOOST_FOREACH(newcoin::Validation& valid,mIgnoredValidations[ledgerHash])
+		{
+			if(NewcoinAddress::protobufToInternal(valid.hanko()) == hanko) return(true);
+		}
+	}
+	return(false);
+}
+
+// TODO: when do we check if we are with the consensus?
 void ValidationCollection::addValidation(newcoin::Validation& valid)
 {
-	// TODO:
+	// TODO: make sure the validation is valid
-	// make sure we don't already have this validation
-	// check if we care about this hanko
-	// make sure the validation is valid
 
+	uint256 hash=Transaction::protobufToInternalHash(valid.hash());
+	uint160 hanko=NewcoinAddress::protobufToInternal(valid.hanko());
+	
+	// make sure we don't already have this validation
+	if(hasValidation(hash,hanko)) return;
+
+	// check if we care about this hanko
 	if( theApp->getUNL().findHanko(valid.hanko()) )
 	{
-		mValidations[valid.hash()].push_back(valid);
+		mValidations[hash].push_back(valid);
 	}else
 	{
-
+		mIgnoredValidations[hash].push_back(valid);
 	}
 
 	mMapIndexToValid[valid.ledgerindex()].push_back(valid);
 }
 
-std::vector<newcoin::Validation>* ValidationCollection::getValidations(uint64 ledgerIndex)
+std::vector<newcoin::Validation>* ValidationCollection::getValidations(uint32 ledgerIndex)
 {
 	if(mMapIndexToValid.count(ledgerIndex))
 	{
 		return(&(mMapIndexToValid[ledgerIndex]));
 	}
-	return(NULL)
+	return(NULL);
 }

ValidationCollection.h

@@ -3,19 +3,22 @@
 
 #include "newcoin.pb.h"
 #include "uint256.h"
+#include "types.h"
 
 class ValidationCollection
 {
 	// from ledger hash to the validation
 	std::map<uint256, std::vector<newcoin::Validation> > mValidations;
 	std::map<uint256, std::vector<newcoin::Validation> > mIgnoredValidations;
-	std::map<uint64, std::vector<newcoin::Validation> > mMapIndexToValid;
+	std::map<uint32, std::vector<newcoin::Validation> > mMapIndexToValid;
+
+	bool hasValidation(uint256& ledgerHash,uint160& hanko);
 public:
 	ValidationCollection();
 
 	void addValidation(newcoin::Validation& valid);
 
-	std::vector<newcoin::Validation>* getValidations(uint64 ledgerIndex);
+	std::vector<newcoin::Validation>* getValidations(uint32 ledgerIndex);
 };
 
 #endif

Wallet.cpp

@@ -50,9 +50,26 @@ void Wallet::refreshAccounts()
 	}
 }
 
-void Wallet::transactionAdded(TransactionPtr trans)
+void Wallet::transactionChanged(TransactionPtr trans)
-{ // TODO: optimize
+{ 
-	refreshAccounts();
+
+	BOOST_FOREACH(Account& account, mYourAccounts)
+	{
+		if( account.mAddress == NewcoinAddress::protobufToInternal(trans->from()) ||
+			account.mAddress == NewcoinAddress::protobufToInternal(trans->dest()) )
+		{
+			Ledger::Account* ledgerAccount=theApp->getLedgerMaster().getAccount(account.mAddress);
+			if(ledgerAccount)
+			{
+				account.mAmount= ledgerAccount->first;
+				account.mSeqNum= ledgerAccount->second;
+			}else
+			{
+				account.mAmount=0;
+				account.mSeqNum=0;
+			}
+		}
+	}
 }
 
 Wallet::Account* Wallet::consolidateAccountOfSize(int64 amount)
@@ -139,10 +156,6 @@ bool Wallet::Account::signTransaction(TransactionPtr trans)
 }
 
 
-
-
-
-// Call after CreateTransaction unless you want to abort
 bool Wallet::commitTransaction(TransactionPtr trans)
 {
 	if(trans)

Wallet.h

@@ -50,7 +50,7 @@ public:
 	std::string sendMoneyToAddress(uint160& destAddress, int64 amount);
 
 	// you may need to update your balances
-	void transactionAdded(TransactionPtr trans);
+	void transactionChanged(TransactionPtr trans);
 
 	
 };

newcoin.proto

@@ -41,6 +41,7 @@ message Transaction {
 
 // Sequence number is incremented if you must change the ledger that you are validating
 // You will only need to change validation in cases of incompatible ledgers 
+// hanko is 160 bits. We store the full public key in the UNL
 message Validation {
 	required uint32 ledgerIndex		= 1;
 	required bytes hash				= 2;