Initial working base separated from top-level monero project

2020-08-19 18:29:32 -04:00
commit a2ff89bc24
68 changed files with 11543 additions and 0 deletions
--- a/src/db/account.h
+++ b/src/db/account.h
@@ -0,0 +1,114 @@
+// Copyright (c) 2018, The Monero Project
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#pragma once
+
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "crypto/crypto.h"
+#include "fwd.h"
+#include "db/fwd.h"
+
+namespace lws
+{
+  //! Tracks a subset of DB account info for scanning/updating.
+  class account
+  {
+    struct internal;
+
+    std::shared_ptr<const internal> immutable_;
+    std::vector<db::output_id> spendable_;
+    std::vector<crypto::public_key> pubs_;
+    std::vector<db::spend> spends_;
+    std::vector<db::output> outputs_;
+    db::block_id height_;
+
+    explicit account(std::shared_ptr<const internal> immutable, db::block_id height, std::vector<db::output_id> spendable, std::vector<crypto::public_key> pubs) noexcept;
+    void null_check() const;
+
+  public:
+
+    //! Construct an account from `source` and current `spendable` outputs.
+    explicit account(db::account const& source, std::vector<db::output_id> spendable, std::vector<crypto::public_key> pubs);
+
+    /*!
+      \return False if this is a "moved-from" account (i.e. the internal memory
+        has been moved to another object).
+    */
+    explicit operator bool() const noexcept { return immutable_ != nullptr; }
+
+    account(const account&) = delete;
+    account(account&&) = default;
+    ~account() noexcept;
+    account& operator=(const account&) = delete;
+    account& operator=(account&&) = default;
+
+    //! \return A copy of `this`.
+    account clone() const;
+
+    //! \return A copy of `this` with a new height and `outputs().empty()`.
+    void updated(db::block_id new_height) noexcept;
+
+    //! \return Unique ID from the account database, possibly `db::account_id::kInvalid`.
+    db::account_id id() const noexcept;
+
+    //! \return Monero base58 string for account.
+    std::string const& address() const;
+
+    //! \return Object used for lookup in LMDB.
+    db::account_address const& db_address() const;
+
+    //! \return Extracted view public key from `address()`
+    crypto::public_key const& view_public() const;
+
+    //! \return Extracted spend public key from `address()`.
+    crypto::public_key const& spend_public() const;
+
+    //! \return Secret view key for the account.
+    crypto::secret_key const& view_key() const;
+
+    //! \return Current scan height of `this`.
+    db::block_id scan_height() const noexcept { return height_; }
+
+    //! \return True iff `id` is spendable by `this`.
+    bool has_spendable(db::output_id const& id) const noexcept;
+
+    //! \return Outputs matched during the latest scan.
+    std::vector<db::output> const& outputs() const noexcept { return outputs_; }
+
+    //! \return Spends matched during the latest scan.
+    std::vector<db::spend> const& spends() const noexcept { return spends_; }
+
+    //! Track a newly received `out`, \return `false` if `out.pub` is duplicated.
+    bool add_out(db::output const& out);
+
+    //! Track a possible `spend`.
+    void add_spend(db::spend const& spend);
+  };
+} // lws