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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UTIL_TIME_H
#define BITCOIN_UTIL_TIME_H
#include <stdint.h>
#include <string>
#include <chrono>
/**
* Helper to count the seconds of a duration.
*
* All durations should be using std::chrono and calling this should generally be avoided in code. Though, it is still
* preferred to an inline t.count() to protect against a reliance on the exact type of t.
*/
inline int64_t count_seconds(std::chrono::seconds t) { return t.count(); }
/**
* DEPRECATED
* Use either GetSystemTimeInSeconds (not mockable) or GetTime<T> (mockable)
*/
int64_t GetTime();
/** Returns the system time (not mockable) */
int64_t GetTimeMillis();
/** Returns the system time (not mockable) */
int64_t GetTimeMicros();
/** Returns the system time (not mockable) */
int64_t GetSystemTimeInSeconds(); // Like GetTime(), but not mockable
/** For testing. Set e.g. with the setmocktime rpc, or -mocktime argument */
void SetMockTime(int64_t nMockTimeIn);
/** For testing */
int64_t GetMockTime();
void MilliSleep(int64_t n);
/** Return system time (or mocked time, if set) */
template <typename T>
T GetTime();
/**
* ISO 8601 formatting is preferred. Use the FormatISO8601{DateTime,Date}
* helper functions if possible.
*/
std::string FormatISO8601DateTime(int64_t nTime);
std::string FormatISO8601Date(int64_t nTime);
int64_t ParseISO8601DateTime(const std::string& str);
#endif // BITCOIN_UTIL_TIME_H
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