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113 lines
2.8 KiB
C++
113 lines
2.8 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_PROTOCOL_ISSUE_H_INCLUDED
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#define RIPPLE_PROTOCOL_ISSUE_H_INCLUDED
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#include <cassert>
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#include <functional>
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#include <type_traits>
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#include <ripple/protocol/UintTypes.h>
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namespace ripple {
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/** A currency issued by an account.
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@see Currency, AccountID, Issue, Book
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*/
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class Issue
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{
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public:
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Currency currency;
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AccountID account;
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Issue ()
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{
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}
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Issue (Currency const& c, AccountID const& a)
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: currency (c), account (a)
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{
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}
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};
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bool
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isConsistent (Issue const& ac);
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std::string
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to_string (Issue const& ac);
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std::ostream&
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operator<< (std::ostream& os, Issue const& x);
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template <class Hasher>
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void
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hash_append(Hasher& h, Issue const& r)
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{
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using beast::hash_append;
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hash_append(h, r.currency, r.account);
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}
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/** Ordered comparison.
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The assets are ordered first by currency and then by account,
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if the currency is not XRP.
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*/
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int
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compare (Issue const& lhs, Issue const& rhs);
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/** Equality comparison. */
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/** @{ */
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bool
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operator== (Issue const& lhs, Issue const& rhs);
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bool
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operator!= (Issue const& lhs, Issue const& rhs);
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/** @} */
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/** Strict weak ordering. */
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/** @{ */
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bool
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operator< (Issue const& lhs, Issue const& rhs);
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bool
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operator> (Issue const& lhs, Issue const& rhs);
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bool
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operator>= (Issue const& lhs, Issue const& rhs);
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bool
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operator<= (Issue const& lhs, Issue const& rhs);
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/** @} */
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//------------------------------------------------------------------------------
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/** Returns an asset specifier that represents XRP. */
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inline Issue const& xrpIssue ()
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{
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static Issue issue {xrpCurrency(), xrpAccount()};
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return issue;
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}
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/** Returns an asset specifier that represents no account and currency. */
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inline Issue const& noIssue ()
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{
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static Issue issue {noCurrency(), noAccount()};
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return issue;
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}
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}
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#endif
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