mirror of
https://github.com/Expand-sys/CCash
synced 2025-12-16 16:12:14 +11:00
72 lines
No EOL
2.2 KiB
C++
72 lines
No EOL
2.2 KiB
C++
#pragma once
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#include <iostream> //temporary
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#include <fstream>
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#include <shared_mutex>
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#include <drogon/HttpTypes.h>
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#include <parallel-hashmap/parallel_hashmap/phmap.h>
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#include "user.h"
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#if CONSERVATIVE_DISK_SAVE && MAX_LOG_SIZE < 0
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#include "change_flag.h"
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#endif
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using BankResponse = std::pair<drogon::HttpStatusCode, Json::Value>;
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class Bank
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{
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struct xxHashStringGen
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{
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inline uint64_t operator()(const std::string &str) const
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{
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return XXH3_64bits(str.data(), str.size());
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}
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};
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phmap::parallel_flat_hash_map<
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std::string, User,
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xxHashStringGen,
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phmap::priv::hash_default_eq<std::string>,
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phmap::priv::Allocator<phmap::priv::Pair<const std::string, User>>,
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4UL,
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std::mutex>
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users;
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private:
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#if CONSERVATIVE_DISK_SAVE
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ChangeFlag save_flag;
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#endif
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/**
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* @brief size_l should be grabbed if the operation MODIFIES the size (shared), this is so that when save claims unique
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*
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*/
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std::shared_mutex size_l;
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/**
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* @brief send_funds_l should be grabbed if balances are being MODIFIED (shared) or if an operation needs to READ without the intermediary states that sendfunds has (unique)
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*
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*/
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std::shared_mutex send_funds_l;
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public:
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std::string admin_pass;
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bool GetChangeState() const noexcept;
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BankResponse GetBal(const std::string &name) const noexcept;
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BankResponse GetLogs(const std::string &name) noexcept;
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BankResponse SendFunds(const std::string &a_name, const std::string &b_name, uint32_t amount) noexcept;
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bool VerifyPassword(const std::string &name, const std::string &attempt) const noexcept;
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void ChangePassword(const std::string &name, std::string &&new_pass) noexcept;
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BankResponse SetBal(const std::string &name, uint32_t amount) noexcept;
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bool Contains(const std::string &name) const noexcept;
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bool AdminVerifyPass(const std::string &attempt) noexcept;
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BankResponse AddUser(const std::string &name, std::string &&init_pass) noexcept;
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BankResponse AdminAddUser(std::string &&name, uint32_t init_bal, std::string &&init_pass) noexcept;
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BankResponse DelUser(const std::string &name) noexcept;
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void Save();
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void Load();
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}; |