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110 lines
3.7 KiB
C++
110 lines
3.7 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_PATHS_CALCULATORS_H
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#define RIPPLE_PATHS_CALCULATORS_H
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namespace ripple {
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// TODO(vfalco) What's the difference between a RippleState versus PathState?
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//
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struct RippleCalc
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{
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LedgerEntrySet& mActiveLedger;
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bool mOpenLedger;
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// First time working in reverse a funding source was mentioned. Source may
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// only be used there.
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//
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// Map of currency, issuer to node index.
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AccountCurrencyIssuerToNodeIndex mumSource;
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// If the transaction fails to meet some constraint, still need to delete
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// unfunded offers.
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//
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// Offers that were found unfunded.
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unordered_set<uint256> mUnfundedOffers;
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RippleCalc (LedgerEntrySet& activeLedger, const bool bOpenLedger)
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: mActiveLedger (activeLedger), mOpenLedger (bOpenLedger)
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{
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}
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};
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void pathNext (
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RippleCalc&,
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PathState& pathState, const bool bMultiQuality,
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const LedgerEntrySet& lesCheckpoint, LedgerEntrySet& lesCurrent);
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TER calcNodeRev (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeFwd (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeOfferRev (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeOfferFwd (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeAccountRev (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeAccountFwd (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality);
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TER calcNodeAdvance (
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RippleCalc&,
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unsigned int nodeIndex, PathState& pathState, bool bMultiQuality,
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bool bReverse);
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TER calcNodeDeliverRev (
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RippleCalc&,
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const unsigned int nodeIndex,
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PathState& pathState,
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const bool bMultiQuality,
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const uint160& uOutAccountID,
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const STAmount& saOutReq,
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STAmount& saOutAct);
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TER calcNodeDeliverFwd (
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RippleCalc&,
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const unsigned int nodeIndex,
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PathState& pathState,
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const bool bMultiQuality,
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const uint160& uInAccountID,
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const STAmount& saInReq,
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STAmount& saInAct,
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STAmount& saInFees);
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void calcNodeRipple (
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RippleCalc&,
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const std::uint32_t uQualityIn, const std::uint32_t uQualityOut,
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const STAmount& saPrvReq, const STAmount& saCurReq,
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STAmount& saPrvAct, STAmount& saCurAct, std::uint64_t& uRateMax);
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void setCanonical (
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STPathSet& spsDst, const std::vector<PathState::pointer>& vpsExpanded,
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bool bKeepDefault);
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} // ripple
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#endif
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