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94 lines
2.9 KiB
C++
94 lines
2.9 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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#include <ripple/app/paths/AccountCurrencies.h>
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namespace ripple {
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hash_set<Currency> accountSourceCurrencies (
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AccountID const& account,
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std::shared_ptr<RippleLineCache> const& lrCache,
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bool includeXRP)
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{
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hash_set<Currency> currencies;
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// YYY Only bother if they are above reserve
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if (includeXRP)
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currencies.insert (xrpCurrency());
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// List of ripple lines.
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auto& rippleLines = lrCache->getRippleLines (account);
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for (auto const& item : rippleLines)
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{
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auto rspEntry = (RippleState*) item.get ();
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assert (rspEntry);
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if (!rspEntry)
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continue;
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auto& saBalance = rspEntry->getBalance ();
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// Filter out non
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if (saBalance > beast::zero
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// Have IOUs to send.
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|| (rspEntry->getLimitPeer ()
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// Peer extends credit.
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&& ((-saBalance) < rspEntry->getLimitPeer ()))) // Credit left.
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{
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currencies.insert (saBalance.getCurrency ());
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}
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}
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currencies.erase (badCurrency());
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return currencies;
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}
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hash_set<Currency> accountDestCurrencies (
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AccountID const& account,
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std::shared_ptr<RippleLineCache> const& lrCache,
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bool includeXRP)
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{
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hash_set<Currency> currencies;
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if (includeXRP)
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currencies.insert (xrpCurrency());
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// Even if account doesn't exist
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// List of ripple lines.
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auto& rippleLines = lrCache->getRippleLines (account);
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for (auto const& item : rippleLines)
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{
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auto rspEntry = (RippleState*) item.get ();
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assert (rspEntry);
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if (!rspEntry)
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continue;
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auto& saBalance = rspEntry->getBalance ();
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if (saBalance < rspEntry->getLimit ()) // Can take more
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currencies.insert (saBalance.getCurrency ());
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}
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currencies.erase (badCurrency());
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return currencies;
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}
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} // ripple
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