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89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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#ifndef TRANSACTIONQUEUE__H
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#define TRANSACTIONQUEUE__H
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// Allow transactions to be signature checked out of sequence but retired in sequence
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class TXQeueue;
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class TXQEntry
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{
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public:
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typedef boost::shared_ptr<TXQEntry> pointer;
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typedef const boost::shared_ptr<TXQEntry>& ref;
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typedef FUNCTION_TYPE<void (Transaction::pointer, TER)> stCallback; // must complete immediately
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public:
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TXQEntry (Transaction::ref tx, bool sigChecked) : mTxn (tx), mSigChecked (sigChecked)
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{
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;
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}
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TXQEntry () : mSigChecked (false)
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{
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;
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}
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Transaction::ref getTransaction () const
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{
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return mTxn;
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}
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bool getSigChecked () const
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{
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return mSigChecked;
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}
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uint256 const& getID () const
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{
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return mTxn->getID ();
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}
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void doCallbacks (TER);
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private:
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friend class TXQueue;
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Transaction::pointer mTxn;
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bool mSigChecked;
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std::list<stCallback> mCallbacks;
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void addCallbacks (const TXQEntry& otherEntry);
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};
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class TXQueue : LeakChecked <TXQueue>
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{
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public:
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TXQueue () : mRunning (false)
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{
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;
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}
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// Return: true = must dispatch signature checker thread
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bool addEntryForSigCheck (TXQEntry::ref);
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// Call only if signature is okay. Returns true if new account, must dispatch
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bool addEntryForExecution (TXQEntry::ref);
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// Call if signature is bad (returns entry so you can run its callbacks)
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TXQEntry::pointer removeEntry (uint256 const& txID);
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// Transaction execution interface
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void getJob (TXQEntry::pointer&);
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bool stopProcessing (TXQEntry::ref finishedJob);
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private:
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typedef boost::bimaps::unordered_set_of<uint256> leftType;
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typedef boost::bimaps::list_of<TXQEntry::pointer> rightType;
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typedef boost::bimap<leftType, rightType> mapType;
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typedef mapType::value_type valueType;
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mapType mTxMap;
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bool mRunning;
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boost::mutex mLock;
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};
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#endif
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