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f535304e1b
RippleCalc is changed to stack views when calculating results instead of making a copy of the MetaView, improving efficiency.
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_LEDGER_DEFERREDCREDITS_H_INCLUDED
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#define RIPPLE_LEDGER_DEFERREDCREDITS_H_INCLUDED
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#include <ripple/protocol/UintTypes.h>
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#include <ripple/protocol/STAmount.h>
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#include <map>
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#include <tuple>
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namespace ripple {
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class DeferredCredits
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{
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private:
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// lowAccount, highAccount
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using Key = std::tuple<
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AccountID, AccountID, Currency>;
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// lowAccountCredits, highAccountCredits
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using Value = std::tuple<
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STAmount, STAmount>;
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static
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Key
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makeKey (AccountID const& a1,
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AccountID const& a2,
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Currency const& c);
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std::map<Key, Value> map_;
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public:
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// Get the adjusted balance of main for the
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// balance between main and other.
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STAmount
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adjustedBalance (AccountID const& main,
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AccountID const& other,
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STAmount const& curBalance) const;
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void credit (AccountID const& sender,
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AccountID const& receiver,
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STAmount const& amount);
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void clear ();
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std::map<Key, Value>::iterator begin() { return map_.begin(); }
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std::map<Key, Value>::iterator end() { return map_.end(); }
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void merge (std::pair <Key, Value> const& p);
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};
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} // ripple
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#endif
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