.

Application.h

@@ -36,7 +36,7 @@ public:
 	LedgerMaster& getLedgerMaster(){ return(mLedgerMaster); }
 	UniqueNodeList& getUNL(){ return(mUNL); }
 	ValidationCollection& getValidationCollection(){  return(mValidations); }
-
+	Wallet& getWallet(){  return(mWallet); }
 	
 
 	void run();

Config.cpp

@@ -15,8 +15,8 @@ Config::Config()
 	RPC_PORT=5001;
 	NUMBER_CONNECTIONS=30;
 	
-	// a new ledger every 5 min
-	LEDGER_SECONDS=(60*5); 
+	// a new ledger every 30 min
+	LEDGER_SECONDS=(60*30); 
 
 	// length of delay between start finalization and sending your first proposal
 	// This delay allows us to collect a few extra transactions from people who's clock is different than ours
@@ -26,11 +26,14 @@ Config::Config()
 	// How long to wait between proposal send and ledger close. 
 	// at which point you publish your validation
 	// You are only waiting to get extra transactions from your peers 
-	LEDGER_FINALIZATION_SECONDS=30; 
+	LEDGER_FINALIZATION_SECONDS=(60*5); 
 	RPC_USER="admin";
 	RPC_PASSWORD="pass";
 
 	HISTORY_DIR="history/";
+
+	TRANSACTION_FEE=1000;
+	ACCOUNT_FEE=1000;
 }
 
 void Config::load()

Config.h

@@ -7,6 +7,8 @@ public:
 	std::string VERSION_STR;
 	bool TEST_NET;
 
+	int TRANSACTION_FEE;
+	int ACCOUNT_FEE;
 	int PEER_PORT;
 	int RPC_PORT;
 	int NUMBER_CONNECTIONS;

ConnectionPool.cpp

@@ -27,7 +27,7 @@ void ConnectionPool::connectToNetwork(KnownNodeList& nodeList,boost::asio::io_se
 		
 	}
 }
-
+/*
 bool ConnectionPool::isMessageKnown(PackedMessage::pointer msg)
 {
 	for(unsigned int n=0; n<mBroadcastMessages.size(); n++)
@@ -36,9 +36,10 @@ bool ConnectionPool::isMessageKnown(PackedMessage::pointer msg)
 	}
 	return(false);
 }
+*/
 
 
-void ConnectionPool::relayMessage(Peer* fromPeer,PackedMessage::pointer msg,uint64 ledgerID)
+void ConnectionPool::relayMessage(Peer* fromPeer,PackedMessage::pointer msg)
 {
 	BOOST_FOREACH(Peer::pointer peer, mPeers)
 	{

ConnectionPool.h

@@ -3,19 +3,20 @@
 #include "types.h"
 #include <boost/asio.hpp>
 class KnownNodeList;
+
 /*
 This is the list of all the Peers we are currently connected to
 */
 class ConnectionPool
 {
 	std::vector<Peer::pointer> mPeers;
-	std::vector<std::pair<PackedMessage::pointer,int> > mBroadcastMessages;
+	//std::vector<std::pair<PackedMessage::pointer,int> > mBroadcastMessages;
 
 public:
 	ConnectionPool();
 	void connectToNetwork(KnownNodeList& nodeList,boost::asio::io_service& io_service);
-	void relayMessage(Peer* fromPeer,PackedMessage::pointer msg,uint64 ledgerIndex);
-	bool isMessageKnown(PackedMessage::pointer msg);
+	void relayMessage(Peer* fromPeer,PackedMessage::pointer msg);
+	//bool isMessageKnown(PackedMessage::pointer msg);
 
 	
 };

Ledger.cpp

@@ -12,7 +12,7 @@ using namespace boost;
 using namespace std;
 
 
-Ledger::Ledger(uint64 index)
+Ledger::Ledger(uint32 index)
 {
 	mIndex=index;
 	mValidSig=false;
@@ -22,19 +22,20 @@ Ledger::Ledger(uint64 index)
 // TODO: we should probably make a shared pointer type for each of these PB types
 newcoin::FullLedger* Ledger::createFullLedger()
 {
-	// TODO: do we need to hash and create mone map first?
+	// 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);
 	
-	pair<string,uint64>& account=pair<string,uint64>();
-	BOOST_FOREACH(account,mMoneyMap)
+	pair<uint160, pair<uint64,uint32> >& account=pair<uint160, pair<uint64,uint32> >();
+	BOOST_FOREACH(account,mAccounts)
 	{
 		newcoin::Account* saveAccount=ledger->add_accounts();
-		saveAccount->set_address(account.first);
-		saveAccount->set_amount(account.second);
+		saveAccount->set_address(account.first.begin(),account.first.GetSerializeSize());
+		saveAccount->set_amount(account.second.first);
+		saveAccount->set_seqnum(account.second.second);
 	}
-	mBundle.addTransactionsToPB(ledger);
+	//mBundle.addTransactionsToPB(ledger);
 	
 	return(ledger);
 }
@@ -42,8 +43,9 @@ newcoin::FullLedger* Ledger::createFullLedger()
 void Ledger::setTo(newcoin::FullLedger& ledger)
 {
 	mIndex=ledger.index();
-	mBundle.clear();
-	mMoneyMap.clear();
+	mTransactions.clear();
+	mDiscardedTransactions.clear();
+	mAccounts.clear();
 	mValidSig=false;
 	mValidHash=false;
 	
@@ -51,14 +53,14 @@ void Ledger::setTo(newcoin::FullLedger& ledger)
 	for(int n=0; n<numAccounts; n++)
 	{
 		const newcoin::Account& account=ledger.accounts(n);
-		mMoneyMap[account.address()] = account.amount();
+		mAccounts[ NewcoinAddress::protobufToInternal(account.address()) ] = pair<uint64,uint32>(account.amount(),account.seqnum());
 	}
 
 	int numTrans=ledger.transactions_size();
 	for(int n=0; n<numTrans; n++)
 	{
 		const newcoin::Transaction& trans=ledger.transactions(n);
-		mBundle.addTransaction(trans);
+		mTransactions.push_back(TransactionPtr(new newcoin::Transaction(trans)));
 	}
 }
 
@@ -94,6 +96,24 @@ void Ledger::save(string dir)
 	delete(ledger);
 }
 
+int64 Ledger::getAmountHeld(uint160& address)
+{
+	if(mAccounts.count(address))
+	{
+		return(mAccounts[address].first);
+	}
+	return(0);
+}
+
+Ledger::Account* Ledger::getAccount(uint160& address)
+{
+	if(mAccounts.count(address))
+	{
+		return(&(mAccounts[address]));
+	}
+	return(NULL);
+}
+
 string& Ledger::getHash()
 {
 	if(!mValidHash) hash();
@@ -109,7 +129,7 @@ string& Ledger::getSignature()
 void Ledger::publish()
 {
 	PackedMessage::pointer packet=Peer::createValidation(shared_from_this());
-	theApp->getConnectionPool().relayMessage(NULL,packet,mIndex);
+	theApp->getConnectionPool().relayMessage(NULL,packet);
 }
 
 void Ledger::finalize()
@@ -121,8 +141,10 @@ 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);
@@ -133,7 +155,7 @@ void Ledger::calcMoneyMap()
 
 		mBundle.updateMap(mMoneyMap);
 		// TODO: strip the 0 ones
-	}
+	} */
 }
 
 void Ledger::hash()
@@ -143,62 +165,265 @@ void Ledger::hash()
 	// TODO:
 }
 
+/*
 uint64 Ledger::getAmount(std::string address)
 {
-	return(mMoneyMap[address]);
-}
+	return(mAccounts[NewcoinAddress:: address].first);
+}*/
 
-// returns true if the transaction was valid
-bool Ledger::addTransaction(newcoin::Transaction& trans)
+// returns true if the from account has enough for the transaction and seq num is correct
+bool Ledger::addTransaction(TransactionPtr trans,bool checkDuplicate)
 {
-	if(mBundle.hasTransaction(trans)) return(false);
+	if(checkDuplicate && hasTransaction(trans)) return(false);
 
-	Ledger::pointer parent=theApp->getLedgerMaster().getLedger(mIndex-1);
-	if(parent)
+	if(mParent)
 	{ // check the lineage of the from addresses
-		vector<uint64> cacheInputLeftOverAmount;
-		int numInputs=trans.inputs_size();
-		cacheInputLeftOverAmount.resize(numInputs);
-		for(int n=0; n<numInputs; n++)
+		uint160 address=NewcoinAddress::protobufToInternal(trans->from());
+		if(mAccounts.count(address))
 		{
-			const newcoin::TransInput& input=trans.inputs(n);
+			pair<uint64,uint32> account=mAccounts[address];
+			if( (account.first<trans->amount()) &&
+				(trans->seqnum()==account.second) )
+			{
+				account.first -= trans->amount();
+				account.second++;
+				mAccounts[address]=account;
 
-			uint64 amountHeld=parent->getAmount(input.from());
-			// TODO: checkValid could invalidate mValidSig and mValidHash
-			amountHeld = mBundle.checkValid(input.from(),amountHeld,0,trans.seconds());
-			if(amountHeld<input.amount())
-			{
-				mBundle.addDiscardedTransaction(trans);
-				cout << "Not enough money" << endl;
-				return(false);
-			}
-			cacheInputLeftOverAmount[n]=amountHeld-input.amount();
-		}
 
-		for(int n=0; n<numInputs; n++)
-		{
-			const newcoin::TransInput& input=trans.inputs(n);
-			mBundle.checkValid(input.from(),cacheInputLeftOverAmount[n],trans.seconds(),theConfig.LEDGER_SECONDS);
-		}
+				uint160 destAddress=NewcoinAddress::protobufToInternal(trans->dest());
+
+				Account destAccount=mAccounts[destAddress];
+				destAccount.first += trans->amount();
+				mAccounts[destAddress]=destAccount;
+
 
 				mValidSig=false;
 				mValidHash=false;
-		mBundle.addTransaction(trans);
-		
+				mTransactions.push_back(trans);
+				if(mChild)
+				{
+					mChild->parentAddedTransaction(trans);
+				}
+				return(true);
+			}else
+			{
+				mDiscardedTransactions.push_back(trans);
+				return false;
+			}
+		}else 
+		{
+			mDiscardedTransactions.push_back(trans);
+			return false;
+		}
 		
 	}else
-	{ // we have no way to know so just accept it
+	{ // we have no way to know so just hold on to it but don't add to the accounts
 		mValidSig=false;
 		mValidHash=false;
-		mBundle.addTransaction(trans);
+		mDiscardedTransactions.push_back(trans);
 		return(true);
 	}
+}
 
+// Don't check the amounts. We will do this at the end.
+void Ledger::addTransactionRecalculate(TransactionPtr trans)
+{
+	uint160 fromAddress=NewcoinAddress::protobufToInternal(trans->from());
+
+	if(mAccounts.count(fromAddress))
+	{
+		Account fromAccount=mAccounts[fromAddress];
+		if(trans->seqnum()==fromAccount.second) 
+		{
+			fromAccount.first -= trans->amount();
+			fromAccount.second++;
+			mAccounts[fromAddress]=fromAccount;
+			
+			uint160 destAddress=NewcoinAddress::protobufToInternal(trans->dest());
+
+			Account destAccount=mAccounts[destAddress];
+			destAccount.first += trans->amount();
+			mAccounts[destAddress]=destAccount;
+
+			mTransactions.push_back(trans);
+	
+		}else
+		{  // invalid seqnum
+			mDiscardedTransactions.push_back(trans);
+		}
+	}else
+	{
+		if(trans->seqnum()==0)
+		{
+			
+			mAccounts[fromAddress]=Account(-((int64)trans->amount()),1);
+
+			uint160 destAddress=NewcoinAddress::protobufToInternal(trans->dest());
+
+			Account destAccount=mAccounts[destAddress];
+			destAccount.first += trans->amount();
+			mAccounts[destAddress]=destAccount;
+
+			mTransactions.push_back(trans);
+
+		}else
+		{
+			mDiscardedTransactions.push_back(trans);
+		}
+	}
+}
+
+// Must look for transactions to discard to make this account positive
+// When we chuck transactions it might cause other accounts to need correcting
+void Ledger::correctAccount(uint160& address)
+{
+	list<uint160> effected;
+
+	// do this in reverse so we take of the higher seqnum first
+	for( list<TransactionPtr>::reverse_iterator iter=mTransactions.rbegin(); iter != mTransactions.rend(); )
+	{
+		TransactionPtr trans= *iter;
+		if(NewcoinAddress::protobufToInternal(trans->from()) == address)
+		{
+			Account fromAccount=mAccounts[address];
+			assert(fromAccount.second==trans->seqnum()+1);
+			if(fromAccount.first<0)
+			{
+				fromAccount.first += trans->amount();
+				fromAccount.second --;
+
+				mAccounts[address]=fromAccount;
+
+				uint160 destAddress=NewcoinAddress::protobufToInternal(trans->dest());
+				Account destAccount=mAccounts[destAddress];
+				destAccount.first -= trans->amount();
+				mAccounts[destAddress]=destAccount;
+				if(destAccount.first<0) effected.push_back(destAddress);
+
+				list<TransactionPtr>::iterator temp=mTransactions.erase( --iter.base() );
+				if(fromAccount.first>=0) break; 
+				
+				iter=list<TransactionPtr>::reverse_iterator(temp);
+			}else break;	
+		}else iter--;
+	}
+
+	BOOST_FOREACH(uint160& address,effected)
+	{
+		correctAccount(address);
+	}
+	
+}
+
+// start from your parent and go through every transaction
+// calls this on its child if recursive is set
+void Ledger::recalculate(bool recursive)
+{
+	if(mParent)
+	{
+		mValidSig=false;
+		mValidHash=false;
+
+		mAccounts.clear();
+		mAccounts=mParent->getAccounts();
+		list<TransactionPtr> firstTransactions=mTransactions;
+		list<TransactionPtr> secondTransactions=mDiscardedTransactions;
+
+		mTransactions.clear();
+		mDiscardedTransactions.clear();
+
+		firstTransactions.sort(gTransactionSorter);
+		secondTransactions.sort(gTransactionSorter);
+
+		// don't check balances until the end
+		BOOST_FOREACH(TransactionPtr trans,firstTransactions)
+		{
+			addTransactionRecalculate(trans);
+		}
+
+		BOOST_FOREACH(TransactionPtr trans,secondTransactions)
+		{
+			addTransactionRecalculate(trans);
+		}
+
+		pair<uint160, Account >& fullAccount=pair<uint160, Account >();
+		BOOST_FOREACH(fullAccount,mAccounts)
+		{
+			if(fullAccount.second.first <0 )
+			{
+				correctAccount(fullAccount.first);
+			}
+		}
+
+
+		if(mChild && recursive) mChild->recalculate();
+	}else
+	{
+		cout << "Can't recalculate if there is no parent" << endl;
+	}
+}
+
+
+
+void Ledger::parentAddedTransaction(TransactionPtr cause)
+{
+	// TODO: we can make this more efficient at some point. For now just redo everything
+
+	recalculate();
+
+	/* 
+	// IMPORTANT: these changes can't change the sequence number. This means we only need to check the dest account
+	// If there was a seqnum change we have to re-do all the transactions again
+
+	// There was a change to the balances of the parent ledger
+	// This could cause:
+	//		an account to now be negative so we have to discard one
+	//		a discarded transaction to be pulled back in
+	//		seqnum invalidation
+	uint160 fromAddress=NewcoinAddress::protobufToInternal(cause->from());
+	uint160 destAddress=NewcoinAddress::protobufToInternal(cause->dest());
+	
+	Account* fromAccount=getAccount(fromAddress);
+	Account* destAccount=getAccount(destAddress);
+
+	if(fromAccount)
+	{
+		if(fromAccount->first<cause->amount())
+		{
+			fromAccount->first -= cause->amount();
+			fromAccount->second = cause->seqnum()+1;
+			mAccounts[fromAddress] = *fromAccount;
+		}else cout << "This shouldn't happen2" << endl;
+	}else
+	{
+		cout << "This shouldn't happen" << endl;
+	}
+
+	if(destAccount)
+	{
+		destAccount->first += cause->amount();
+		mAccounts[destAddress]= *destAccount;
+	}else
+	{
+		mAccounts[destAddress]=pair<uint64,uint32>(cause->amount(),cause->seqnum());
+	}
+	
+	// look for discarded transactions
+	BOOST_FOREACH(TransactionPtr trans,)
+	*/
+}
+
+bool Ledger::hasTransaction(TransactionPtr needle)
+{
+	BOOST_FOREACH(TransactionPtr trans,mTransactions)
+	{
+		if( Transaction::isEqual(needle,trans) ) return(true);
+	}
+
+	BOOST_FOREACH(TransactionPtr disTrans,mDiscardedTransactions)
+	{
+		if( Transaction::isEqual(needle,disTrans) ) return(true);
+	}
 
 	return(false);
 }
-
-void Ledger::recheck(Ledger::pointer parent,newcoin::Transaction& cause)
-{
-	// TODO: 
-}

Ledger.h

@@ -1,53 +1,80 @@
 #ifndef __LEDGER__
 #define __LEDGER__
 
-#include "TransactionBundle.h"
+#include "Transaction.h"
 #include "types.h"
+#include "BitcoinUtil.h"
+
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <map>
+#include <list>
+
+
 
 class Ledger : public boost::enable_shared_from_this<Ledger>
 {
+public:
+	typedef boost::shared_ptr<Ledger> pointer;
+	typedef std::pair<int64,uint32> Account;
+private:
 	bool mValidSig;
 	bool mValidHash;
 	bool mFaith; //TODO: if you will bother to validate this ledger or not. You have to accept the first ledger on Faith 
 
-	uint64 mIndex;
+	uint32 mIndex;
 	std::string mHash;
 	std::string mSignature;
-	std::map<std::string,uint64> mMoneyMap;
-	TransactionBundle mBundle;
 
 
 
+	std::map<uint160, Account > mAccounts;
+	std::list<TransactionPtr> mTransactions;
+	std::list<TransactionPtr> mDiscardedTransactions;
+
+	//TransactionBundle mBundle;
+
+	// these can be NULL
+	// we need to keep track in case there are changes in this ledger that effect either the parent or child.
+	Ledger::pointer mParent;
+	Ledger::pointer mChild;
+	
+	
 	void calcMoneyMap();
 	void sign();
 	void hash();
+	void addTransactionRecalculate(TransactionPtr trans);
+	void correctAccount(uint160& address);
 public:
 	typedef boost::shared_ptr<Ledger> pointer;
-	Ledger(uint64 index);
+	Ledger(uint32 index);
 	void setTo(newcoin::FullLedger& ledger);
 
 	void save(std::string dir);
 	bool load(std::string dir);
 
+	void recalculate(bool recursive=true);
+
 	void publish();
 	void finalize();
 
 
-	uint64 getAmount(std::string address);
-	void recheck(Ledger::pointer parent,newcoin::Transaction& cause);
-	bool addTransaction(newcoin::Transaction& trans);
+	bool hasTransaction(TransactionPtr trans);
+	int64 getAmountHeld(uint160& address);
+	void parentAddedTransaction(TransactionPtr cause);
+	bool addTransaction(TransactionPtr trans,bool checkDuplicate=true);
 	void addValidation(newcoin::Validation& valid);
 	void addIgnoredValidation(newcoin::Validation& valid);
 
-	uint64 getIndex(){ return(mIndex); }
+	uint32 getIndex(){ return(mIndex); }
 	std::string& getHash();
 	std::string& getSignature();
-	unsigned int getNumTransactions(){ return(mBundle.size()); }
-	std::map<std::string,uint64>& getMoneyMap(){ return(mMoneyMap); }
+	unsigned int getNumTransactions(){ return(mTransactions.size()); }
+	std::map<uint160, std::pair<int64,uint32> >& getAccounts(){ return(mAccounts); }
+	Account* getAccount(uint160& address);
 	newcoin::FullLedger* createFullLedger();
+
+
 };
 
 #endif

LedgerHistory.cpp

@@ -11,12 +11,12 @@ void LedgerHistory::load()
 
 }
 
-bool LedgerHistory::loadLedger(uint64 index)
+bool LedgerHistory::loadLedger(uint32 index)
 {
 	Ledger::pointer ledger(new Ledger(index));
 	if(ledger->load(theConfig.HISTORY_DIR))
 	{
-		mLedgers[index]=ledger;
+		mAcceptedLedgers[index]=ledger;
 	}
 	return(false);
 }
@@ -24,16 +24,16 @@ bool LedgerHistory::loadLedger(uint64 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(uint64 index)
+Ledger::pointer LedgerHistory::getLedger(uint32 index)
 {
-	if(mLedgers.count(index))
-		return(mLedgers[index]);
-	if(loadLedger(index)) return(mLedgers[index]);
+	if(mAcceptedLedgers.count(index))
+		return(mAcceptedLedgers[index]);
+	if(loadLedger(index)) return(mAcceptedLedgers[index]);
 	return(Ledger::pointer());
 }
 
 void LedgerHistory::addLedger(Ledger::pointer ledger)
 {
-	mLedgers[ledger->getIndex()]=ledger;
+	mAcceptedLedgers[ledger->getIndex()]=ledger;
 	ledger->save(theConfig.HISTORY_DIR);
 }

LedgerHistory.h

@@ -4,18 +4,28 @@
 #include "Ledger.h"
 
 /*
-This is all the history that you know of. 
+This is a collection of all the ledgers you know about.
+One thread of them is the thread you validate. 
+But you keep others that you have heard about.
+
+Why do you need to keep them all? 
+	In case people ask.
+	To make sure that there isn't a conflict between the validated ledgers
 */
+
 class LedgerHistory
 {
-	std::map<uint64, Ledger::pointer> mLedgers;
-	bool loadLedger(uint64 index);
+	std::map<uint32, Ledger::pointer> mAcceptedLedgers;
+	std::map<uint256, Ledger::pointer> mAllLedgers;
+
+	bool loadLedger(uint32 index);
 public:
 	void load();
 	
 	void addLedger(Ledger::pointer ledger);
 
-	Ledger::pointer getLedger(uint64 index);
+	Ledger::pointer getLedger(uint32 index);
+	Ledger::pointer getLedger(uint256 hash);
 };
 
 #endif

LedgerMaster.cpp

@@ -1,11 +1,13 @@
 #include "LedgerMaster.h"
 #include "Application.h"
+#include "NewcoinAddress.h"
+#include <boost/foreach.hpp>
 
 using namespace std;
 
 LedgerMaster::LedgerMaster()
 {
-	mAfterProposed=false;
+	//mAfterProposed=false;
 }
 
 void LedgerMaster::load()
@@ -18,69 +20,106 @@ void LedgerMaster::save()
 	
 }
 
-uint64 LedgerMaster::getCurrentLedgerIndex()
+uint32 LedgerMaster::getCurrentLedgerIndex()
 {
 	return(mCurrentLedger->getIndex());
 }
 
-int LedgerMaster::getCurrentLedgerSeconds()
+int64 LedgerMaster::getAmountHeld(uint160& addr)
 {
-	// TODO:
-	return(1);
+	return(mCurrentLedger->getAmountHeld(addr));
 }
 
-uint64 LedgerMaster::getAmountHeld(std::string& addr)
+int64 LedgerMaster::getAmountHeld(std::string& addr)
 {
-	return(mCurrentLedger->getAmount(addr));
+	return(mCurrentLedger->getAmountHeld(NewcoinAddress::humanToInternal(addr)));
 }
 
-Ledger::pointer LedgerMaster::getLedger(uint64 index)
+Ledger::pointer LedgerMaster::getLedger(uint32 index)
 {
 	return(mLedgerHistory.getLedger(index));
 }
 
 
-// TODO: make sure the signature is valid
-// TODO: make sure the transactionID is valid
-// TODO: make sure no from address = dest address
-// TODO: make sure no 0 amounts
-// TODO: make sure no duplicate from addresses
-bool LedgerMaster::isValidTransactionSig(newcoin::Transaction& trans)
+bool LedgerMaster::isTransactionOnFutureList(TransactionPtr needle)
+{
+	BOOST_FOREACH(TransactionPtr straw,mFutureTransactions)
+	{
+		if(Transaction::isEqual(straw,needle))
 		{
 			return(true);
 		}
+	}
+	return(false);
+}
 
-// returns true if we should broadcast it
-bool LedgerMaster::addTransaction(newcoin::Transaction& trans)
-{
-	if(! isValidTransactionSig(trans)) return(false);
 
-	if(trans.ledgerindex()==mFinalizingLedger->getIndex())
+// make sure the signature is valid
+// make sure from address != dest address
+// make sure not 0 amount unless null dest (this is just a way to make sure your seqnum is incremented)
+// make sure the sequence number is good (but the ones with a bad seqnum we need to save still?)
+bool LedgerMaster::isValidTransaction(TransactionPtr trans)
 {
-		if(mFinalizingLedger->addTransaction(trans))
+	if(trans->from()==trans->dest()) return(false);
+	if(trans->amount()==0) return(false);
+	if(!Transaction::isSigValid(trans)) return(false);
+	Ledger::Account* account=mCurrentLedger->getAccount( NewcoinAddress::protobufToInternal(trans->from()) );
+	if(!account) return(false);
+	if(trans->seqnum() != (account->second+1) ) return(false); // TODO: do we need to save these?
+
+	return(true);
+}
+
+
+// returns true if we should relay it
+bool LedgerMaster::addTransaction(TransactionPtr trans)
+{
+	if(mFinalizingLedger && (trans->ledgerindex()==mFinalizingLedger->getIndex()))
+	{
+		if(mFinalizingLedger->hasTransaction(trans)) return(false);
+		if(!isValidTransaction(trans)) return(false);
+
+		if(mFinalizingLedger->addTransaction(trans,false))
 		{
 			// TODO: we shouldn't really sendProposal right here
 			// TODO: since maybe we are adding a whole bunch at once. we should send at the end of the batch
-			if(mAfterProposed) sendProposal();
-			mCurrentLedger->recheck(mFinalizingLedger,trans);
+			// TODO: do we ever really need to re-propose?
+			//if(mAfterProposed) sendProposal();
 			return(true);
-		}
-	}else if(trans.ledgerindex()==mCurrentLedger->getIndex())
+		}else return(false);
+	}else if(trans->ledgerindex()==mCurrentLedger->getIndex())
 	{
-		return( mCurrentLedger->addTransaction(trans) );
-	}else if(trans.ledgerindex()>mCurrentLedger->getIndex())
+		if(mCurrentLedger->hasTransaction(trans)) return(false);
+		if(!isValidTransaction(trans)) return(false);
+		return( mCurrentLedger->addTransaction(trans,false) );
+	}else if(trans->ledgerindex()>mCurrentLedger->getIndex())
 	{ // in the future
-		// TODO: should we broadcast this?
-		// TODO: if NO then we might be slowing down transmission because our clock is off
-		// TODO: if YES then we could be contributing to not following the protocol
-		// TODO: Probably just broadcast once we get to that ledger.
-		mFutureTransactions.push_back(trans);
+		
+		if(isTransactionOnFutureList(trans)) return(false);
+		if(!isValidTransaction(trans)) return(false);
+		mFutureTransactions.push_back(trans); // broadcast once we get to that ledger.
+		return(false);
 	}else
-	{  // transaction is too old. ditch it
+	{  // transaction is old but we don't have it. Add it to the current ledger
 		cout << "Old Transaction" << endl;
+		
+		// distant past
+		// This is odd make sure the transaction is valid before proceeding since checking all the past is expensive
+		if(! isValidTransaction(trans)) return(false);
+
+		uint32 checkIndex=trans->ledgerindex();
+		while(checkIndex <= mCurrentLedger->getIndex())
+		{
+			Ledger::pointer ledger=mLedgerHistory.getLedger(checkIndex);
+			if(ledger)
+			{
+				if(ledger->hasTransaction(trans)) return(false);
+			}
+			checkIndex++;
 		}
 
-	return(false);
+		return( mCurrentLedger->addTransaction(trans,false) );
+	}
 }
 
 
@@ -94,9 +133,9 @@ void LedgerMaster::gotFullLedger(newcoin::FullLedger& ledger)
 
 void LedgerMaster::sendProposal()
 {
-	mAfterProposed=true;
+	//mAfterProposed=true;
 	PackedMessage::pointer packet=Peer::createLedgerProposal(mFinalizingLedger);
-	theApp->getConnectionPool().relayMessage(NULL,packet,mFinalizingLedger->getIndex());
+	theApp->getConnectionPool().relayMessage(NULL,packet);
 }
 
 void LedgerMaster::nextLedger()
@@ -105,7 +144,7 @@ void LedgerMaster::nextLedger()
 	// finalize current ledger
 	// start a new ledger
 
-	mAfterProposed=false;
+	//mAfterProposed=false;
 	Ledger::pointer closedLedger=mFinalizingLedger;
 	mFinalizingLedger=mCurrentLedger;
 	mCurrentLedger=Ledger::pointer(new Ledger(mCurrentLedger->getIndex()+1));
@@ -114,8 +153,8 @@ void LedgerMaster::nextLedger()
 	closedLedger->publish();
 	mLedgerHistory.addLedger(closedLedger);
 
-	applyFutureProposals();
-	applyFutureTransactions();
+	applyFutureProposals( mFinalizingLedger->getIndex() );
+	applyFutureTransactions( mCurrentLedger->getIndex() );
 }
 
 void LedgerMaster::addFutureProposal(Peer::pointer peer,newcoin::ProposeLedger& otherLedger)
@@ -123,11 +162,11 @@ void LedgerMaster::addFutureProposal(Peer::pointer peer,newcoin::ProposeLedger&
 	mFutureProposals.push_front(pair<Peer::pointer,newcoin::ProposeLedger>(peer,otherLedger));
 }
 
-void LedgerMaster::applyFutureProposals()
+void LedgerMaster::applyFutureProposals(uint32 ledgerIndex)
 {
 	for(list< pair<Peer::pointer,newcoin::ProposeLedger> >::iterator iter=mFutureProposals.begin(); iter !=mFutureProposals.end(); )
 	{
-		if( (*iter).second.ledgerindex() == mFinalizingLedger->getIndex())
+		if( (*iter).second.ledgerindex() == ledgerIndex)
 		{
 			checkLedgerProposal((*iter).first,(*iter).second);
 			mFutureProposals.erase(iter);
@@ -135,11 +174,11 @@ void LedgerMaster::applyFutureProposals()
 	}
 }
 
-void LedgerMaster::applyFutureTransactions()
+void LedgerMaster::applyFutureTransactions(uint32 ledgerIndex)
 {
-	for(list<newcoin::Transaction>::iterator iter=mFutureTransactions.begin(); iter !=mFutureTransactions.end(); )
+	for(list<TransactionPtr>::iterator iter=mFutureTransactions.begin(); iter !=mFutureTransactions.end(); )
 	{
-		if( (*iter).ledgerindex() == mCurrentLedger->getIndex() )
+		if( (*iter)->ledgerindex() == ledgerIndex)
 		{
 			addTransaction(*iter);
 			mFutureTransactions.erase(iter);

LedgerMaster.h

@@ -5,6 +5,7 @@
 #include "LedgerHistory.h"
 #include "Peer.h"
 #include "types.h"
+#include "Transaction.h"
 
 /*
 Handles:
@@ -12,6 +13,9 @@ Handles:
 	finalizing the ledger
 	validating the past ledger
 	keeping the ledger history
+
+	There is one ledger we are working on. 
+
 */
 class LedgerMaster
 {
@@ -19,28 +23,31 @@ class LedgerMaster
 	Ledger::pointer mFinalizingLedger;
 
 	LedgerHistory mLedgerHistory;
-	std::list<newcoin::Transaction> mFutureTransactions;
+	std::list<TransactionPtr> mFutureTransactions;
 	std::list< std::pair<Peer::pointer,newcoin::ProposeLedger> > mFutureProposals;
 
-	bool mAfterProposed;
+	//bool mAfterProposed;
 
 
 	void addFutureProposal(Peer::pointer peer,newcoin::ProposeLedger& packet);
-	void applyFutureProposals();
-	void applyFutureTransactions();
-	bool isValidTransactionSig(newcoin::Transaction& trans);
+	void applyFutureProposals(uint32 ledgerIndex);
+	void applyFutureTransactions(uint32 ledgerIndex);
+	bool isValidTransaction(TransactionPtr trans);
+	bool isTransactionOnFutureList(TransactionPtr trans);
 public:
 	LedgerMaster();
 
 	void load();
 	void save();
 
-	uint64 getCurrentLedgerIndex();
-	int getCurrentLedgerSeconds();
-	Ledger::pointer getLedger(uint64 index);
-	uint64 getAmountHeld(std::string& addr);
+	uint32 getCurrentLedgerIndex();
+	//int getCurrentLedgerSeconds();
+	Ledger::pointer getLedger(uint32 index);
+	int64 getAmountHeld(std::string& addr);
+	int64 getAmountHeld(uint160& addr);
+	Ledger::Account* getAccount(uint160& addr){ return(mCurrentLedger->getAccount(addr)); }
 
-	bool addTransaction(newcoin::Transaction& trans);
+	bool addTransaction(TransactionPtr trans);
 	void gotFullLedger(newcoin::FullLedger& ledger);
 
 	void nextLedger();

NewcoinAddress.h

@@ -21,6 +21,10 @@ public:
 
 	uint160 GetHash160();
 
+	static uint160 protobufToInternal(const std::string& buf);
+	static uint160 humanToInternal(const std::string& buf);
+
+	
 };
 
 #endif

Peer.cpp

@@ -145,7 +145,7 @@ void Peer::sendFullLedger(Ledger::pointer ledger)
 	}
 }
 
-void Peer::sendGetFullLedger(uint64 index)
+void Peer::sendGetFullLedger(uint32 index)
 {
 	newcoin::GetFullLedger* gfl=new newcoin::GetFullLedger();
 	gfl->set_ledgerindex(index);
@@ -207,8 +207,8 @@ void Peer::processReadBuffer()
 		break;
 	case newcoin::TRANSACTION:
 		{
-			newcoin::Transaction trans;
-			if(trans.ParseFromArray(&mReadbuf[HEADER_SIZE], mReadbuf.size() - HEADER_SIZE))
+			TransactionPtr trans(new newcoin::Transaction());
+			if(trans->ParseFromArray(&mReadbuf[HEADER_SIZE], mReadbuf.size() - HEADER_SIZE))
 				receiveTransaction(trans);
 			else cout  << "parse error: " << type << endl; //else BOOST_LOG_TRIVIAL(info) << "Error: " << error;
 
@@ -289,25 +289,22 @@ void Peer::receiveGetValidations(newcoin::GetValidations& request)
 	}
 }
 
-void Peer::receiveTransaction(newcoin::Transaction& trans)
+void Peer::receiveTransaction(TransactionPtr trans)
 {
-	ConnectionPool& pool=theApp->getConnectionPool();
-	PackedMessage::pointer packet(new PackedMessage(PackedMessage::MessagePointer(new newcoin::Transaction(trans)),newcoin::TRANSACTION));
-
-	// check if this transaction is already known
-	if(pool.isMessageKnown(packet)) return;
-	
-	// check if this transaction is valid
-	// add to the correct transaction bundle
-	if(!theApp->getLedgerMaster().addTransaction(trans))
+	// add to the correct transaction bundle and relay if we need to
+	if(theApp->getLedgerMaster().addTransaction(trans))
 	{
-		cout << "Invalid transaction: " << trans.transid() << endl;
-		return;
-	}
+		// tell the wallet in case it was to us
+		theApp->getWallet().transactionAdded(trans);
 
 		// broadcast it to other Peers
-	pool.relayMessage(this,packet,trans.ledgerindex());
-
+		ConnectionPool& pool=theApp->getConnectionPool();
+		PackedMessage::pointer packet(new PackedMessage(PackedMessage::MessagePointer(new newcoin::Transaction(*(trans.get()))),newcoin::TRANSACTION));
+		pool.relayMessage(this,packet);
+	}else 
+	{
+		cout << "Invalid transaction: " << trans->from() << endl;
+	}
 }
 
 void Peer::receiveProposeLedger(newcoin::ProposeLedger& packet)

Peer.h

@@ -7,6 +7,7 @@
 #include "newcoin.pb.h"
 #include "PackedMessage.h"
 #include "Ledger.h"
+#include "Transaction.h"
 #include "list"
 
 class KnownNode;
@@ -48,7 +49,7 @@ class Peer : public boost::enable_shared_from_this<Peer>
 	void sendTransaction();
 	void sendValidation();
 	void receiveHello(newcoin::Hello& packet);
-	void receiveTransaction(newcoin::Transaction& packet);
+	void receiveTransaction(TransactionPtr trans);
 	void receiveValidation(newcoin::Validation& packet);
 	void receiveFullLedger(newcoin::FullLedger& packet);
 	void receiveProposeLedger(newcoin::ProposeLedger& packet);
@@ -78,7 +79,7 @@ public:
 	void sendPacket(PackedMessage::pointer packet);
 	void sendLedgerProposal(Ledger::pointer ledger);
 	void sendFullLedger(Ledger::pointer ledger);
-	void sendGetFullLedger(uint64 index);
+	void sendGetFullLedger(uint32 index);
 
 	//static PackedMessage::pointer createFullLedger(Ledger::pointer ledger);
 	static PackedMessage::pointer createLedgerProposal(Ledger::pointer ledger);

Transaction.cpp

@@ -0,0 +1,35 @@
+#include "Transaction.h"
+#include "BitcoinUtil.h"
+
+using namespace std;
+
+
+// sort by from address and then seqnum
+bool gTransactionSorter(const TransactionPtr& lhs, const TransactionPtr& rhs)
+{
+	if(lhs->from() == rhs->from())
+	{
+		return(lhs->seqnum() < rhs->seqnum() );
+	}else return lhs->from() < rhs->from();
+}
+
+// I don't think we need to bother checking the sig or public key
+bool Transaction::isEqual(TransactionPtr t1,TransactionPtr t2)
+{
+	if(t1->amount() != t2->amount()) return(false);
+	if(t1->seqnum() != t2->seqnum()) return(false);
+	if(t1->ledgerindex() != t2->ledgerindex()) return(false);
+	if(t1->from() != t2->from()) return(false);
+	if(t1->dest() != t2->dest()) return(false);
+
+	return(true);
+}
+
+
+uint256 Transaction::calcHash(TransactionPtr trans)
+{
+	vector<unsigned char> buffer;
+	buffer.resize(trans->ByteSize());
+	trans->SerializeToArray(&(buffer[0]),buffer.size());
+	return Hash(buffer.begin(), buffer.end());
+}

Transaction.h

@@ -1,17 +1,25 @@
-#include "string"
+#ifndef __TRANSACTION__
+#define __TRANSACTION__
+
+#include "newcoin.pb.h"
+#include "uint256.h"
+#include <boost/shared_ptr.hpp>
 
 /*
-A transaction can have only one input and one output.
-If you want to send an amount that is greater than any single address of yours
-you must first combine coins from one address to another.
+We could have made something that inherited from the protobuf transaction but this seemed simpler
 */
 
+typedef boost::shared_ptr<newcoin::Transaction> TransactionPtr;
+
 class Transaction
 {
-	std::string mSource;
-	std::string mSig;
-	std::string mDest;
-	unsigned int mAmount;
 public:
-	Transaction();
+	static bool isSigValid(TransactionPtr trans);
+	static bool isEqual(TransactionPtr t1, TransactionPtr t2);
+	static uint256 calcHash(TransactionPtr trans);
 };
+
+
+extern bool gTransactionSorter(const TransactionPtr& lhs, const TransactionPtr& rhs);
+
+#endif

TransactionBundle.cpp

@@ -3,9 +3,17 @@
 
 using namespace std;
 
+/*
+// do we need to make sure this preserves the order you received the transactions? Otherwise when we run through it we can see invalid transactions that get funded later.
+// No we can just allow this. We just check when a transaction comes in and at ledger close.
+// There needs to be a predictable order or the hashes will all be different.
+//
 bool gTransactionSorter(const newcoin::Transaction& lhs, const newcoin::Transaction& rhs)
 {
-	return lhs.seconds() < rhs.seconds();
+	if(lhs.from() == rhs.from())
+	{
+		return(lhs.seqnum() < rhs.seqnum() );
+	}else return lhs.from() < rhs.from();
 }
 
 
@@ -14,23 +22,17 @@ TransactionBundle::TransactionBundle()
 
 }
 
-bool TransactionBundle::isEqual(newcoin::Transaction& t1,newcoin::Transaction& t2)
+
+bool TransactionBundle::hasTransaction(TransactionPtr needle)
 {
-	return(t1.transid()==t2.transid());
+	BOOST_FOREACH(TransactionPtr trans,mTransactions)
+	{
+		if( Transaction::isEqual(needle,trans) ) return(true);
 	}
 
-bool TransactionBundle::hasTransaction(newcoin::Transaction& t)
+	BOOST_FOREACH(TransactionPtr trans,mDisacrdedTransactions)
 	{
-	BOOST_FOREACH(newcoin::Transaction& trans,mTransactions)
-	{
-		if( t.transid()==trans.transid())
-			return(true);
-	}
-
-	BOOST_FOREACH(newcoin::Transaction& trans,mDisacrdedTransactions)
-	{
-		if( t.transid()==trans.transid())
-			return(true);
+		if( Transaction::isEqual(needle,trans) ) return(true);
 	}
 
 	return(false);
@@ -38,35 +40,25 @@ bool TransactionBundle::hasTransaction(newcoin::Transaction& t)
 
 void TransactionBundle::addTransactionsToPB(newcoin::FullLedger* ledger)
 {
-	BOOST_FOREACH(newcoin::Transaction& trans,mTransactions)
+	BOOST_FOREACH(TransactionPtr trans,mTransactions)
 	{
-		newcoin::Transaction* newTrans=ledger->add_transactions();
+		TransactionPtr newTrans=ledger->add_transactions();
 		newTrans->operator=(trans);
 	}
 }
 
-void TransactionBundle::addDiscardedTransaction(newcoin::Transaction& trans)
+void TransactionBundle::addDiscardedTransaction(TransactionPtr trans)
 {
 	mDisacrdedTransactions.push_back(trans);
-	mDisacrdedTransactions.sort(gTransactionSorter);
+	//mDisacrdedTransactions.sort(gTransactionSorter);
 }
 
-void TransactionBundle::addTransaction(const newcoin::Transaction& trans)
+void TransactionBundle::addTransaction(const TransactionPtr trans)
 {
 	mTransactions.push_back(trans);
-	mTransactions.sort(gTransactionSorter);
+	//mTransactions.sort(gTransactionSorter);
 }
 
-uint64 TransactionBundle::getTotalTransAmount(newcoin::Transaction& trans)
-{
-	uint64 total=0;
-	int numInputs=trans.inputs_size();
-	for(int n=0; n<numInputs; n++)
-	{
-		total += trans.inputs(n).amount();
-	}
-	return(total);
-}
 
 // determine if all the transactions until end time from this address are valid
 // return the amount left in this account
@@ -137,3 +129,5 @@ void TransactionBundle::updateMap(std::map<std::string,uint64>& moneyMap)
 		moneyMap[trans.dest()] += total;
 	}
 }
+
+*/

TransactionBundle.h

@@ -4,11 +4,14 @@
 #include <list>
 #include "newcoin.pb.h"
 #include "types.h"
+#include "Transaction.h"
+
 
 class TransactionBundle
 {
-	std::list<newcoin::Transaction> mTransactions;
-	std::list<newcoin::Transaction> mDisacrdedTransactions;
+	// we have to order this before we hash so the hash will be consistent 
+	std::list<TransactionPtr> mTransactions;
+	std::list<TransactionPtr> mDisacrdedTransactions;
 	//std::list<newcoin::Transaction> mAllTransactions;
 public:
 	TransactionBundle();
@@ -19,7 +22,8 @@ public:
 
 	void addTransactionsToPB(newcoin::FullLedger* ledger);
 
-	bool hasTransaction(newcoin::Transaction& trans);
+	bool hasTransaction(TransactionPtr trans);
+
 	// returns the amount of money this address holds at the end time
 	// it will discard any transactions till endTime that bring amount held under 0
 	uint64 checkValid(std::string address, uint64 startAmount,
@@ -29,13 +33,13 @@ public:
 
 	// will check if all transactions after this are valid
 	//void checkTransactions();
-	void addTransaction(const newcoin::Transaction& trans);
+	void addTransaction(TransactionPtr trans);
 
 	// transaction is valid and signed except the guy didn't have the money
-	void addDiscardedTransaction(newcoin::Transaction& trans);
+	void addDiscardedTransaction(TransactionPtr trans);
 
-	static bool isEqual(newcoin::Transaction& t1,newcoin::Transaction& t2);
-	static uint64 getTotalTransAmount(newcoin::Transaction& trans);
+	
+	//static uint64 getTotalTransAmount(TransactionPtr trans);
 };
 
 #endif

ValidationCollection.h

@@ -1,6 +1,8 @@
+#ifndef __VALIDATION_COLLECTION__
+#define __VALIDATION_COLLECTION__
 
 #include "newcoin.pb.h"
-#include "types.h"
+#include "uint256.h"
 
 class ValidationCollection
 {
@@ -15,3 +17,5 @@ public:
 
 	std::vector<newcoin::Validation>* getValidations(uint64 ledgerIndex);
 };
+
+#endif

Wallet.cpp

@@ -17,9 +17,9 @@ void Wallet::load()
 
 }
 
-uint64 Wallet::getBalance()
+int64 Wallet::getBalance()
 {
-	uint64 total = 0;
+	int64 total = 0;
 
 	LedgerMaster& ledgerMaster=theApp->getLedgerMaster();
 
@@ -31,79 +31,99 @@ uint64 Wallet::getBalance()
 	return total;
 }
 
-string Wallet::sendMoneyToAddress(NewcoinAddress& destAddress, uint64 amount)
+void Wallet::refreshAccounts()
 {
-	// Check amount
-	if(amount > getBalance())
-		return("Insufficient funds");
+	LedgerMaster& ledgerMaster=theApp->getLedgerMaster();
 
-	newcoin::Transaction trans;
-	if(!createTransaction(destAddress, amount, trans))
+	BOOST_FOREACH(Account& account, mYourAccounts)
 	{
-		return "Error: Transaction creation failed  ";
+		Ledger::Account* ledgerAccount=ledgerMaster.getAccount(account.mAddress);
+		if(ledgerAccount)
+		{
+			account.mAmount= ledgerAccount->first;
+			account.mSeqNum= ledgerAccount->second;
+		}else
+		{
+			account.mAmount=0;
+			account.mSeqNum=0;
+		}
+	}
 }
 
+void Wallet::transactionAdded(TransactionPtr trans)
+{ // TODO: optimize
+	refreshAccounts();
+}
+
+Wallet::Account* Wallet::consolidateAccountOfSize(int64 amount)
+{
+	int64 total=0;
+	BOOST_FOREACH(Account& account, mYourAccounts)
+	{
+		if(account.mAmount>=amount) return(&account);
+		total += account.mAmount;
+	}
+	if(total<amount) return(NULL);
+
+	Account* firstAccount=NULL;
+	uint160* firstAddr=NULL;
+	total=0;
+	BOOST_FOREACH(Account& account, mYourAccounts)
+	{
+		total += account.mAmount;
+		if(firstAccount) 
+		{
+			TransactionPtr trans=createTransaction(account,firstAccount->mAddress,account.mAmount);
+			commitTransaction(trans);
+		}else firstAccount=&account;
+
+		if(total>=amount) return(firstAccount);
+	}
+
+	assert(0);
+	return(NULL);
+}
+
+string Wallet::sendMoneyToAddress(uint160& destAddress, int64 amount)
+{
+	// we may have to bundle up money in order to send this amount
+	Account* fromAccount=consolidateAccountOfSize(amount);
+	if(fromAccount)
+	{
+		TransactionPtr trans=createTransaction(*fromAccount,destAddress,amount);
+		if(trans)
+		{
 			if(!commitTransaction(trans))
 				return("Error: The transaction was rejected.  This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
 
+		}
+	}else return("Insufficient funds");
 
 	return "";
 }
 
-
-bool Wallet::createTransaction(NewcoinAddress& destAddress, uint64 amount,newcoin::Transaction& trans)
+TransactionPtr Wallet::createTransaction(Account& fromAccount, uint160& destAddr, int64 amount)
 {
-	// find accounts to send from
-	// sign each account that is sending
+	TransactionPtr trans(new newcoin::Transaction());
+	trans->set_amount(amount);
+	trans->set_seqnum(fromAccount.mSeqNum);
+	trans->set_from(fromAccount.mAddress.begin(), fromAccount.mAddress.GetSerializeSize());
+	trans->set_dest(destAddr.begin(),destAddr.GetSerializeSize());
+	trans->set_ledgerindex(theApp->getLedgerMaster().getCurrentLedgerIndex());
+	// TODO: trans->set_pubkey(fromAccount.mPublicKey);
+	fromAccount.signTransaction(trans);
 
-	
-	trans.set_ledgerindex(theApp->getLedgerMaster().getCurrentLedgerIndex());
-	trans.set_seconds(theApp->getLedgerMaster().getCurrentLedgerSeconds());
-	trans.set_dest(destAddress.ToString());
-
-	list<newcoin::TransInput*> inputs;
-	BOOST_FOREACH(Account& account, mYourAccounts)
-	{
-		newcoin::TransInput* input=trans.add_inputs();
-		inputs.push_back(input);
-		input->set_from(account.mAddress);
-
-		if(account.mAmount < amount)
-		{	// this account can only fill a portion of the amount
-			input->set_amount(account.mAmount);
-			amount -= account.mAmount;
-			
-		}else
-		{	// this account can fill the whole thing
-			input->set_amount(amount);
-			
-			break;
-		}
-	}
-	
-	uint256 hash = calcTransactionHash(trans);
-	BOOST_FOREACH(newcoin::TransInput* input,inputs)
-	{
-		vector<unsigned char> sig;
-		if(signTransInput(hash,*input,sig))
-			input->set_sig(&(sig[0]),sig.size());
-		else return(false);
-	}
-	trans.set_transid(hash.ToString());
-	return(true);
-}
-
-uint256 Wallet::calcTransactionHash(newcoin::Transaction& trans)
-{
-	vector<unsigned char> buffer;
-	buffer.resize(trans.ByteSize());
-	trans.SerializeToArray(&(buffer[0]),buffer.size());
-	return Hash(buffer.begin(), buffer.end());
+	return(trans);
 }
 
 
-bool Wallet::signTransInput(uint256 hash, newcoin::TransInput& input,vector<unsigned char>& retSig)
+
+
+bool Wallet::Account::signTransaction(TransactionPtr trans)
 {
+	/* TODO:
+	uint256 hash = Transaction::calcHash(trans);
+
 	CKey key;
 	if(!GetKey(input.from(), key))
 		return false;
@@ -114,6 +134,7 @@ bool Wallet::signTransInput(uint256 hash, newcoin::TransInput& input,vector<unsi
 		if(!key.Sign(hash, retSig))
 			return false;
 	}
+	*/
 	return(true);
 }
 
@@ -122,12 +143,17 @@ bool Wallet::signTransInput(uint256 hash, newcoin::TransInput& input,vector<unsi
 
 
 // Call after CreateTransaction unless you want to abort
-bool Wallet::commitTransaction(newcoin::Transaction& trans)
+bool Wallet::commitTransaction(TransactionPtr trans)
 {
-	// TODO: Q up the message if it can't be relayed properly. or we don't see it added.
-	PackedMessage::pointer msg(new PackedMessage(PackedMessage::MessagePointer(new newcoin::Transaction(trans)),newcoin::TRANSACTION));
-	theApp->getConnectionPool().relayMessage(NULL,msg,trans.ledgerindex());
-	theApp->getLedgerMaster().addTransaction(trans);
+	if(trans)
+	{
+		if(theApp->getLedgerMaster().addTransaction(trans))
+		{
+			ConnectionPool& pool=theApp->getConnectionPool();
+			PackedMessage::pointer packet(new PackedMessage(PackedMessage::MessagePointer(new newcoin::Transaction(*(trans.get()))),newcoin::TRANSACTION));
+			pool.relayMessage(NULL,packet);
 
-	return true;
+		}else cout << "Problem adding the transaction to your local ledger" << endl;
+	}
+	return(false);
 }

Wallet.h

@@ -3,6 +3,7 @@
 
 #include "keystore.h"
 #include "newcoin.pb.h"
+#include "Transaction.h"
 #include <list>
 #include <vector>
 
@@ -17,28 +18,41 @@ class Wallet : public CBasicKeyStore
 	{
 	public:
 		//CKey mKey;
-		std::string mAddress;
-		//std::vector<unsigned char> mPublicKey;
-		//std::vector<unsigned char> mPrivateKey;
-		uint64 mAmount;
-		uint64 mAge;
+		//std::string mHumanAddress;
+		uint160 mAddress;
+		std::vector<unsigned char> mPublicKey;
+		std::vector<unsigned char> mPrivateKey;
+		int64 mAmount;
+		uint64 mAge; // do we need this
+		uint32 mSeqNum;
+
+
 		Account(){}
+		bool signTransaction(TransactionPtr input);
 	};
 	std::list<Account> mYourAccounts;
 
-	bool signTransInput(uint256 hash, newcoin::TransInput& input,std::vector<unsigned char>& retSig);
-	uint256 calcTransactionHash(newcoin::Transaction& trans);
 	
-	bool createTransaction(NewcoinAddress& destAddress, uint64 amount,newcoin::Transaction& trans);
-	bool commitTransaction(newcoin::Transaction& trans);
+
+	TransactionPtr createTransaction(Account& fromAccount, uint160& destAddr, int64 amount);
+	bool commitTransaction(TransactionPtr trans);
+
+	Account* consolidateAccountOfSize(int64 amount);
+
 public:
 	Wallet();
+	void refreshAccounts();
 	void load();
 
-	uint64 getBalance();
+	int64 getBalance();
 
 	// returns some human error str?
-	std::string sendMoneyToAddress(NewcoinAddress& destAddress, uint64 amount);
+	std::string sendMoneyToAddress(uint160& destAddress, int64 amount);
+
+	// you may need to update your balances
+	void transactionAdded(TransactionPtr trans);
+
+	
 };
 
 #endif

newcoin.proto

@@ -20,20 +20,20 @@ message Hello {
 	required int32 port				= 3;
 }
 
-message TransInput {
-	required string from			= 1;
-	required uint64 amount			= 2;
-	required bytes sig				= 3;
-}
 
-// TODO: do we need a transID?
+/*
+A transaction can have only one input and one output.
+If you want to send an amount that is greater than any single address of yours
+you must first combine coins from one address to another.
+*/
+// TODO: do we need a transID? I don't think we do
 // ledgerIndex should increase the ledger coherence
 message Transaction {
 	required bytes transID			= 1;
-	repeated bytes from				= 2;
+	required bytes from				= 2;
 	required bytes dest				= 3;
 	required uint64 amount			= 4;
-	required uint64 ledgerIndex		= 5;
+	required uint32 ledgerIndex		= 5;
 	required int32 seqNum			= 6;
 	required bytes pubKey			= 7;
 	required bytes sig				= 8;
@@ -42,13 +42,14 @@ 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 
 message Validation {
-	required uint64 ledgerIndex		= 1;
-	required string hash			= 2;
-	required string hanko			= 3;
+	required uint32 ledgerIndex		= 1;
+	required bytes hash				= 2;
+	required bytes hanko			= 3;
 	required int32 seqNum			= 4;
 	required bytes sig				= 5;
 }
 
+// seqnum should == last transaction seqnum+1
 message Account {
 	required bytes address			= 1;
 	required uint64 amount			= 2;
@@ -58,7 +59,7 @@ message Account {
 // The ledger hash includes:
 // index,accounts,feeHeld,transactions?
 message FullLedger {
-	required uint64 index				= 1;
+	required uint32 index				= 1;
 	required bytes hash					= 2;
 	required bytes parentHash			= 3;
 	required uint64 feeHeld				= 4;
@@ -68,12 +69,12 @@ message FullLedger {
 
 
 message GetFullLedger {
-	required uint64 ledgerIndex		= 1;
+	required uint32 ledgerIndex		= 1;
 	optional bytes hash				= 2;
 }
 
 message GetValidations {
-	required uint64 ledgerIndex		= 1;
+	required uint32 ledgerIndex		= 1;
 }
 
 message Contact {
@@ -87,7 +88,7 @@ message Contact {
 // but I think the times this will happen are very rare so it's probably not worth it
 // but it might be worth also sending a hash of the accounts since if these match you don't care that the transactions don't
 message ProposeLedger {
-	required uint64 ledgerIndex		= 1;
+	required uint32 ledgerIndex		= 1;
 	required bytes hash				= 2;
 	optional uint64 numTransactions	= 3;
 }

newcoin.vcxproj

@@ -49,12 +49,12 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=0x0501;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>c:\code\OpenSSL\include;C:\code\boost_1_47_0;C:\code\protobuf-2.4.1\src\</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\OpenSSL\include;..\boost_1_47_0;..\protobuf-2.4.1\src\</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>C:\code\OpenSSL\lib\VC;C:\code\boost_1_47_0\stage\lib;C:\code\protobuf-2.4.1\vsprojects\Debug</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>..\OpenSSL\lib\VC;..\boost_1_47_0\stage\lib;..\protobuf-2.4.1\vsprojects\Debug</AdditionalLibraryDirectories>
       <AdditionalDependencies>libeay32MTd.lib;libprotobuf.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
     <PreBuildEvent>
@@ -112,6 +112,7 @@
     <ClCompile Include="RPCCommands.cpp" />
     <ClCompile Include="RPCDoor.cpp" />
     <ClCompile Include="TimingService.cpp" />
+    <ClCompile Include="Transaction.cpp" />
     <ClCompile Include="TransactionBundle.cpp" />
     <ClCompile Include="UniqueNodeList.cpp" />
     <ClCompile Include="util\pugixml.cpp" />
@@ -119,6 +120,7 @@
     <ClCompile Include="Wallet.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="Account.h" />
     <ClInclude Include="Application.h" />
     <ClInclude Include="base58.h" />
     <ClInclude Include="bignum.h" />
@@ -167,6 +169,7 @@
     <ClInclude Include="script.h" />
     <ClInclude Include="SecureAllocator.h" />
     <ClInclude Include="TimingService.h" />
+    <ClInclude Include="ExtendedTransaction.h" />
     <ClInclude Include="Transaction.h" />
     <ClInclude Include="TransactionBundle.h" />
     <ClInclude Include="types.h" />
@@ -180,7 +183,7 @@
     <None Include="config.xml" />
     <CustomBuild Include="newcoin.proto">
       <FileType>Document</FileType>
-      <Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">c:/code/protoc-2.4.1-win32/protoc -I=C:\code\newcoin --cpp_out=C:\code\newcoin  C:\code\newcoin\newcoin.proto</Command>
+      <Command Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">..\protoc-2.4.1-win32\protoc -I=..\newcoin --cpp_out=..\newcoin  ..\newcoin\newcoin.proto</Command>
       <Outputs Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">newcoin.pb.h</Outputs>
     </CustomBuild>
     <None Include="html\newcoin.html">

newcoin.vcxproj.filters

@@ -129,6 +129,9 @@
     <ClCompile Include="ValidationCollection.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Transaction.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Application.h">
@@ -173,9 +176,6 @@
     <ClInclude Include="PeerDoor.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="Transaction.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="json\json_spirit.h">
       <Filter>Header Files\json</Filter>
     </ClInclude>
@@ -299,6 +299,15 @@
     <ClInclude Include="ValidationCollection.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="ExtendedTransaction.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="Transaction.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="Account.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="nodes.xml" />

notes.txt

@@ -2,7 +2,7 @@
 Dependencies:
 	Boost 1_47
 	boost log http://boost-log.sourceforge.net/libs/log/doc/html/log/installation.html
-	protocol buffers
+	protocol buffers: expects ..\protobuf-2.4.1 and ..\protoc-2.4.1-win32
 	openssl
 
 Using:
@@ -25,18 +25,9 @@ code from:
 
 
 
-message Packet {
-	enum Type { HELLO = 1; TRANSACTION = 2; VALIDATION = 3; }
 
-	// Identifies which field is filled in.
-	required Type type	= 1;
 
-	// One of the following will be filled in.
-	optional Hello hello=2;
-	optional Transaction transaction=3;
-	optional Validation validation=4;
 
-}
 
 Threads
 ----

types.h

@@ -1,9 +1,15 @@
 #if defined(_MSC_VER) || defined(__BORLANDC__)
+
 typedef __int64  int64;
 typedef unsigned __int64  uint64;
+typedef unsigned int uint32;
+
 #else
+
 typedef long long  int64;
 typedef unsigned long long  uint64;
+typedef unsigned int uint32;
+
 #endif
 #if defined(_MSC_VER) && _MSC_VER < 1300
 #define for  if (false) ; else for

uint256.h

@@ -364,7 +364,7 @@ public:
     }
 
 
-    unsigned int GetSerializeSize(int nType=0, int nVersion=VERSION) const
+    unsigned int GetSerializeSize(int nType=0) const
     {
         return sizeof(pn);
     }