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86 lines
2.7 KiB
C++
86 lines
2.7 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_APP_FEEVOTE_H_INCLUDED
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#define RIPPLE_APP_FEEVOTE_H_INCLUDED
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#include <ripple/basics/BasicConfig.h>
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#include <ripple/core/SystemParameters.h>
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namespace ripple {
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/** Manager to process fee votes. */
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class FeeVote
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{
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public:
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/** Fee schedule to vote for.
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During voting ledgers, the FeeVote logic will try to move towards
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these values when injecting fee-setting transactions.
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A default-constructed Setup contains recommended values.
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*/
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struct Setup
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{
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/** The cost of a reference transaction in drops. */
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std::uint64_t reference_fee = 10;
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/** The account reserve requirement in drops. */
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std::uint64_t account_reserve = 20 * SYSTEM_CURRENCY_PARTS;
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/** The per-owned item reserve requirement in drops. */
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std::uint64_t owner_reserve = 5 * SYSTEM_CURRENCY_PARTS;
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};
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virtual ~FeeVote () = default;
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/** Add local fee preference to validation.
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@param lastClosedLedger
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@param baseValidation
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*/
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virtual
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void
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doValidation (Ledger::ref lastClosedLedger,
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STObject& baseValidation) = 0;
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/** Cast our local vote on the fee.
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@param lastClosedLedger
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@param initialPosition
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*/
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virtual
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void
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doVoting (Ledger::ref lastClosedLedger,
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SHAMap::ref initialPosition) = 0;
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};
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/** Build FeeVote::Setup from a config section. */
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FeeVote::Setup
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setup_FeeVote (Section const& section);
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/** Create an instance of the FeeVote logic.
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@param setup The fee schedule to vote for.
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@param journal Where to log.
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*/
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std::unique_ptr <FeeVote>
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make_FeeVote (FeeVote::Setup const& setup, beast::Journal journal);
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} // ripple
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#endif
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