mmgen-wallet/scripts/compute-file-chksum.py

35 lines
844 B
Python
Executable file

#!/usr/bin/env python3
import sys, os
import script_init
from mmgen.main import launch
from mmgen.cfg import Config
from mmgen.util import msg, Msg, make_chksum_6
from mmgen.fileutil import get_lines_from_file
opts_data = {
'text': {
'desc': 'Compute checksum for a MMGen data file',
'usage':'[opts] infile',
'options': """
-h, --help Print this help message.
-i, --include-first-line Include the first line of the file (you probably don't want this)
"""
}
}
cfg = Config(opts_data=opts_data)
def main():
lines = get_lines_from_file(cfg, cfg._args[0])
start = (1, 0)[bool(cfg.include_first_line)]
a = make_chksum_6(' '.join(lines[start:]).encode())
if start == 1:
b = lines[0]
msg(
'Checksum in file OK' if a == b else
f"Checksum in file ({b}) doesn't match computed value!")
Msg(a)
launch(func=main)