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added --initial-headers argument to lbrynet start command

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This commit is contained in:
Lex Berezhny 2019-12-10 22:30:08 -05:00
parent 8840097fe2
commit 17771a2b89
1 changed files with 15 additions and 0 deletions
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15
lbry/lbry/extras/cli.py
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@ -1,5 +1,6 @@
import os import os
import sys import sys
import shutil
import signal import signal
import pathlib import pathlib
import json import json
@ -191,6 +192,10 @@ def get_argument_parser():
help=('Enable debug output for lbry logger and event loop. Optionally specify loggers for which debug output ' help=('Enable debug output for lbry logger and event loop. Optionally specify loggers for which debug output '
'should selectively be applied.') 'should selectively be applied.')
) )
start.add_argument(
'--initial-headers', dest='initial_headers',
help='Specify path to initial blockchain headers, faster than downloading them on first run.'
)
Config.contribute_to_argparse(start) Config.contribute_to_argparse(start)
start.set_defaults(command='start', start_parser=start, doc=start.format_help()) start.set_defaults(command='start', start_parser=start, doc=start.format_help())
@ -297,6 +302,16 @@ def main(argv=None):
if args.help: if args.help:
args.start_parser.print_help() args.start_parser.print_help()
else: else:
if args.initial_headers:
ledger_path = os.path.join(conf.wallet_dir, 'lbc_mainnet')
ensure_directory_exists(ledger_path)
current_size = 0
headers_path = os.path.join(ledger_path, 'headers')
if os.path.exists(headers_path):
current_size = os.stat(headers_path).st_size
if os.stat(args.initial_headers).st_size > current_size:
log.info('Copying header from %s to %s', args.initial_headers, headers_path)
shutil.copy(args.initial_headers, headers_path)
run_daemon(args, conf) run_daemon(args, conf)
elif args.command is not None: elif args.command is not None:
doc = args.doc doc = args.doc