//------------------------------------------------------------------------------
/*
    Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================

TaggedCache <uint256, AcceptedLedger, UptimeTimerAdapter> AcceptedLedger::s_cache ("AcceptedLedger", 4, 60);

AcceptedLedger::AcceptedLedger (Ledger::ref ledger) : mLedger (ledger)
{
    SHAMap& txSet = *ledger->peekTransactionMap ();

    for (SHAMapItem::pointer item = txSet.peekFirstItem (); !!item; item = txSet.peekNextItem (item->getTag ()))
    {
        SerializerIterator sit (item->peekSerializer ());
        insert (boost::make_shared<AcceptedLedgerTx> (ledger->getLedgerSeq (), boost::ref (sit)));
    }
}

AcceptedLedger::pointer AcceptedLedger::makeAcceptedLedger (Ledger::ref ledger)
{
    AcceptedLedger::pointer ret = s_cache.fetch (ledger->getHash ());

    if (ret)
        return ret;

    ret = AcceptedLedger::pointer (new AcceptedLedger (ledger));
    s_cache.canonicalize (ledger->getHash (), ret);
    return ret;
}

void AcceptedLedger::insert (AcceptedLedgerTx::ref at)
{
    assert (mMap.find (at->getIndex ()) == mMap.end ());
    mMap.insert (std::make_pair (at->getIndex (), at));
}

AcceptedLedgerTx::pointer AcceptedLedger::getTxn (int i) const
{
    map_t::const_iterator it = mMap.find (i);

    if (it == mMap.end ())
        return AcceptedLedgerTx::pointer ();

    return it->second;
}