forked from such-gitea/wownero-lws
145 lines
5.3 KiB
C++
145 lines
5.3 KiB
C++
// Copyright (c) 2018, The Monero Project
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <boost/optional/optional.hpp>
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <vector>
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#include "crypto/crypto.h"
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#include "fwd.h"
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#include "db/data.h"
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#include "db/fwd.h"
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#include "wire/fwd.h"
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#include "wire/msgpack/fwd.h"
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namespace lws
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{
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//! Tracks a subset of DB account info for scanning/updating.
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class account
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{
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struct internal;
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std::shared_ptr<const internal> immutable_;
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std::vector<std::pair<db::output_id, db::address_index>> spendable_;
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std::vector<crypto::public_key> pubs_;
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std::vector<db::spend> spends_;
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std::vector<db::output> outputs_;
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db::block_id height_;
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explicit account(std::shared_ptr<const internal> immutable, db::block_id height, std::vector<std::pair<db::output_id, db::address_index>> spendable, std::vector<crypto::public_key> pubs) noexcept;
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void null_check() const;
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template<typename F, typename T, typename U>
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static void map(F& format, T& self, U& immutable);
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public:
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//! Construct an "invalid" account (for de-serialization)
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account() noexcept;
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//! Construct an account from `source` and current `spendable` outputs.
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explicit account(db::account const& source, std::vector<std::pair<db::output_id, db::address_index>> spendable, std::vector<crypto::public_key> pubs);
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/*!
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\return False if this is a "moved-from" account (i.e. the internal memory
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has been moved to another object).
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*/
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explicit operator bool() const noexcept { return immutable_ != nullptr; }
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account(const account&) = delete;
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account(account&&) = default;
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~account() noexcept;
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account& operator=(const account&) = delete;
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account& operator=(account&&) = default;
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//! Read into `this` from `source`.
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void read_bytes(::wire::msgpack_reader& source);
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//! Write to `dest` from `this`.
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void write_bytes(::wire::msgpack_writer& dest) const;
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//! \return A copy of `this`.
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account clone() const;
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//! \post `height() == max(new_height, height())`, `outputs().empty()`, and `spends.empty()`.
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void updated(db::block_id new_height) noexcept;
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//! \return Unique ID from the account database, possibly `db::account_id::kInvalid`.
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db::account_id id() const noexcept;
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//! \return Monero base58 string for account.
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std::string const& address() const;
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//! \return Object used for lookup in LMDB.
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db::account_address const& db_address() const;
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//! \return Extracted view public key from `address()`
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crypto::public_key const& view_public() const;
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//! \return Extracted spend public key from `address()`.
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crypto::public_key const& spend_public() const;
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//! \return Secret view key for the account.
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crypto::secret_key const& view_key() const;
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//! \return Current scan height of `this`.
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db::block_id scan_height() const noexcept { return height_; }
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//! \return Subaddress index iff `id` is spendable by `this`.
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boost::optional<db::address_index> get_spendable(db::output_id const& id) const noexcept;
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//! \return Outputs matched during the latest scan.
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std::vector<db::output> const& outputs() const noexcept { return outputs_; }
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//! \return Spends matched during the latest scan.
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std::vector<db::spend> const& spends() const noexcept { return spends_; }
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//! Track a newly received `out`, \return `false` if `out.pub` is duplicated.
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bool add_out(db::output const& out);
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//! Track a possible `spend`.
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void add_spend(db::spend const& spend);
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};
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struct by_height
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{
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bool operator()(account const& left, account const& right) const noexcept
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{
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return left.scan_height() < right.scan_height();
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}
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bool operator()(db::account const& left, db::account const& right) const noexcept
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{
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return left.scan_height < right.scan_height;
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}
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};
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} // lws
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