Files
rippled/src/Transaction.h
2012-05-13 15:07:12 -07:00

116 lines
4.1 KiB
C++

#ifndef __TRANSACTION__
#define __TRANSACTION__
#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/cstdint.hpp>
#include "../json/value.h"
#include "key.h"
#include "uint256.h"
#include "../obj/src/newcoin.pb.h"
#include "Hanko.h"
#include "Serializer.h"
#include "SHAMap.h"
#include "SerializedTransaction.h"
enum TransStatus
{
NEW = 0, // just received / generated
INVALID = 1, // no valid signature, insufficient funds
INCLUDED = 2, // added to the current ledger
CONFLICTED = 3, // losing to a conflicting transaction
COMMITTED = 4, // known to be in a ledger
HELD = 5, // not valid now, maybe later
REMOVED = 6, // taken out of a ledger
OBSOLETE = 7, // a compatible transaction has taken precedence
INCOMPLETE = 8 // needs more signatures
};
class Transaction : public boost::enable_shared_from_this<Transaction>
{
public:
typedef boost::shared_ptr<Transaction> pointer;
private:
uint256 mTransactionID;
NewcoinAddress mAccountFrom;
NewcoinAddress mFromPubKey;
uint32 mInLedger;
TransStatus mStatus;
SerializedTransaction::pointer mTransaction;
public:
Transaction(const SerializedTransaction::pointer st, bool bValidate);
static Transaction::pointer sharedTransaction(const std::vector<unsigned char>&vucTransaction, bool bValidate);
Transaction(const NewcoinAddress& naPublicKey, const NewcoinAddress& naPrivateKey,
const NewcoinAddress& naFromAccount, const NewcoinAddress& toAccount,
uint64 amount,
uint32 iSeq, uint32 ident, uint32 ledger);
#if 0
Transaction(const NewcoinAddress& fromID, const NewcoinAddress& toID,
CKey::pointer pubKey, uint64 amount, uint64 fee, uint32 fromSeq, uint32 fromLedger,
uint32 ident, const std::vector<unsigned char>& signature, uint32 ledgerSeq, TransStatus st);
#endif
bool sign(const NewcoinAddress& naAccountPrivate);
bool checkSign() const;
void updateID() { mTransactionID=mTransaction->getTransactionID(); }
SerializedTransaction::pointer getSTransaction() { return mTransaction; }
const uint256& getID() const { return mTransactionID; }
const NewcoinAddress& getFromAccount() const { return mAccountFrom; }
uint64 getAmount() const { return mTransaction->getITFieldU64(sfAmount); }
uint64 getFee() const { return mTransaction->getTransactionFee(); }
uint32 getFromAccountSeq() const { return mTransaction->getSequence(); }
uint32 getSourceLedger() const { return mTransaction->getITFieldU32(sfTargetLedger); }
uint32 getIdent() const { return mTransaction->getITFieldU32(sfSourceTag); }
std::vector<unsigned char> getSignature() const { return mTransaction->getSignature(); }
uint32 getLedger() const { return mInLedger; }
TransStatus getStatus() const { return mStatus; }
void setStatus(TransStatus status, uint32 ledgerSeq);
void setStatus(TransStatus status) { mStatus=status; }
// database functions
static void saveTransaction(Transaction::pointer);
bool save() const;
static Transaction::pointer load(const uint256& id);
static Transaction::pointer findFrom(const NewcoinAddress& fromID, uint32 seq);
// conversion function
static bool convertToTransactions(uint32 ourLedgerSeq, uint32 otherLedgerSeq,
bool checkFirstTransactions, bool checkSecondTransactions, const SHAMap::SHAMapDiff& inMap,
std::map<uint256, std::pair<Transaction::pointer, Transaction::pointer> >& outMap);
bool operator<(const Transaction&) const;
bool operator>(const Transaction&) const;
bool operator==(const Transaction&) const;
bool operator!=(const Transaction&) const;
bool operator<=(const Transaction&) const;
bool operator>=(const Transaction&) const;
Json::Value getJson(bool decorate, bool paid_local=false, bool credited_local=false) const;
static bool isHexTxID(const std::string&);
protected:
static Transaction::pointer transactionFromSQL(const std::string& statement);
Transaction(const uint256& transactionID, const NewcoinAddress& accountFrom, const NewcoinAddress& accountTo,
CKey::pointer key, uint64 amount, uint64 fee, uint32 fromAccountSeq, uint32 sourceLedger,
uint32 ident, const std::vector<unsigned char>& signature, uint32 inLedger, TransStatus status);
};
#endif
// vim:ts=4