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