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3b33318dc8
Some of the boost::optionals must remain for now. Both boost::beast and SOCI have interfaces that require boost::optional.
162 lines
4.2 KiB
C++
162 lines
4.2 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) 2014 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_ACCOUNTID_H_INCLUDED
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#define RIPPLE_PROTOCOL_ACCOUNTID_H_INCLUDED
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#include <ripple/protocol/tokens.h>
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// VFALCO Uncomment when the header issues are resolved
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//#include <ripple/protocol/PublicKey.h>
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#include <ripple/basics/UnorderedContainers.h>
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#include <ripple/basics/base_uint.h>
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#include <ripple/json/json_value.h>
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#include <cstddef>
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#include <mutex>
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#include <optional>
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#include <string>
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namespace ripple {
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namespace detail {
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class AccountIDTag
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{
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public:
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explicit AccountIDTag() = default;
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};
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} // namespace detail
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/** A 160-bit unsigned that uniquely identifies an account. */
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using AccountID = base_uint<160, detail::AccountIDTag>;
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/** Convert AccountID to base58 checked string */
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std::string
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toBase58(AccountID const& v);
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/** Parse AccountID from checked, base58 string.
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@return std::nullopt if a parse error occurs
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*/
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template <>
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std::optional<AccountID>
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parseBase58(std::string const& s);
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/** Compute AccountID from public key.
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The account ID is computed as the 160-bit hash of the
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public key data. This excludes the version byte and
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guard bytes included in the base58 representation.
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*/
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// VFALCO In PublicKey.h for now
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// AccountID
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// calcAccountID (PublicKey const& pk);
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/** A special account that's used as the "issuer" for XRP. */
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AccountID const&
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xrpAccount();
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/** A placeholder for empty accounts. */
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AccountID const&
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noAccount();
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/** Convert hex or base58 string to AccountID.
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@return `true` if the parsing was successful.
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*/
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// DEPRECATED
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bool
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to_issuer(AccountID&, std::string const&);
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// DEPRECATED Should be checking the currency or native flag
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inline bool
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isXRP(AccountID const& c)
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{
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return c == beast::zero;
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}
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// DEPRECATED
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inline std::string
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to_string(AccountID const& account)
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{
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return toBase58(account);
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}
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// DEPRECATED
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inline std::ostream&
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operator<<(std::ostream& os, AccountID const& x)
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{
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os << to_string(x);
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return os;
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}
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//------------------------------------------------------------------------------
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/** Caches the base58 representations of AccountIDs
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This operation occurs with sufficient frequency to
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justify having a cache. In the future, rippled should
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require clients to receive "binary" results, where
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AccountIDs are hex-encoded.
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*/
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class AccountIDCache
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{
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private:
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std::mutex mutable mutex_;
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std::size_t capacity_;
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hash_map<AccountID, std::string> mutable m0_;
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hash_map<AccountID, std::string> mutable m1_;
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public:
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AccountIDCache(AccountIDCache const&) = delete;
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AccountIDCache&
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operator=(AccountIDCache const&) = delete;
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explicit AccountIDCache(std::size_t capacity);
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/** Return ripple::toBase58 for the AccountID
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Thread Safety:
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Safe to call from any thread concurrently
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@note This function intentionally returns a
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copy for correctness.
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*/
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std::string
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toBase58(AccountID const&) const;
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};
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} // namespace ripple
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//------------------------------------------------------------------------------
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namespace std {
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// DEPRECATED
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// VFALCO Use beast::uhash or a hardened container
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template <>
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struct hash<ripple::AccountID> : ripple::AccountID::hasher
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{
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explicit hash() = default;
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};
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} // namespace std
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#endif
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