mirror of
https://github.com/aljazceru/plugins.git
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3754a9e0f8
drain: fix drain msats drain: failing CI because of msats historian: add inotify to historian deps historian: update lockfile
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
import click
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from .common import db_session, split_gossip
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import os
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from pyln.proto.primitives import varint_decode, varint_encode
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@click.group()
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def backup():
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pass
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@backup.command()
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@click.argument('destination', type=click.File('wb'))
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@click.option('--db', type=str, default=None)
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def create(destination, db):
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with db_session(db) as session:
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rows = session.execute("SELECT raw FROM channel_announcements")
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# Write the header now that we know we'll be writing something.
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destination.write(b"GSP\x01")
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for r in rows:
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varint_encode(len(r[0]), destination)
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destination.write(r[0])
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rows = session.execute("SELECT raw FROM channel_updates ORDER BY timestamp ASC")
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for r in rows:
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varint_encode(len(r[0]), destination)
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destination.write(r[0])
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rows = session.execute("SELECT raw FROM node_announcements ORDER BY timestamp ASC")
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for r in rows:
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varint_encode(len(r[0]), destination)
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destination.write(r[0])
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destination.close()
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@backup.command()
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@click.argument("source", type=click.File('rb'))
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def read(source):
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"""Load gossip messages from the specified source and print it to stdout
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Prints the hex-encoded raw gossip message to stdout.
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"""
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header = source.read(4)
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if len(header) < 4:
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raise ValueError("Could not read header")
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tag, version = header[0:3], header[3]
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if tag != b'GSP':
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raise ValueError(f"Header mismatch, expected GSP, got {repr(tag)}")
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if version != 1:
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raise ValueError(f"Unsupported version {version}, only support up to version 1")
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for m in split_gossip(source):
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print(m.hex())
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