DirectoryExists checks if the directory at the specified path exists.

GetTerminationSignalCh returns a channel to emit signals by ctrl + c.

Max returns the strictly bigger number.

Min returns the strictly lower number.

PadLeftOrTrim left-pads the passed in byte array to the specified size, or trims the array if it exceeds the passed in size.

SetupDataDir sets up the data directory and the corresponding sub-directories.

MaxSafeJSInt represents max value which JS support It is used for smartContract fields Our staking repo is written in JS, as are many other clients If we use higher value JS will not be able to parse it.

JSONNumber is the number represented in decimal or hex in json.