Global

Functions that need no exchange object: sleeping and time, error handling and retries, number formatting, JSON, encoding and hashing, and information about the runtime.

The most used are Sleep (polling interval), _D (format a time), _N (truncate decimals), _C (retry on failure) and GetLastError (read the latest error).

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Name	Description
Version	Returns the current system version number.
IsVirtual	Used to determine whether the strategy's runtime environment is the backtesting system.
GetOS	Retrieves the operating system information of the device hosting the bot.
GetPid	Get the ID of the live trading process.
GetMeta	Get the Meta value written when generating the strategy registration code.
Sleep	Pauses program execution for a specified period of time.
Unix	Get the second-level timestamp of the current moment.
UnixNano	Get the nanosecond-level timestamp of the current moment.
_D	Convert a millisecond-level timestamp or a Date object into a time string.
GetCommand	Get the strategy's interactive command.
GetLastError	Retrieves the most recent error message.
SetErrorFilter	Filters error logs.
_N	Format a floating-point number.
_C	A retry function used for fault-tolerant handling of interface calls.
_Cross	Returns the number of crossover periods between array arr1 and array arr2.
JSON.parse	Decodes (parses) a JSON string; a method of the ECMAScript standard built-in object JSON.
JSON.stringify	Converts JavaScript values to JSON strings; a method of the ECMAScript standard built-in object JSON.
Encode	This function encodes data according to the parameters passed in.
MD5	Calculate the MD5 hash of the parameter data.
UUID	Create a UUID.