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report.py
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from __future__ import print_function
import argparse
from lnd_assistant import LndAssistant, sat_to_btc
import lnd_assistant_printer as Printer
def print_my_node_info(lnda):
Printer.bprint(' == My node: %s (%s)' % (
lnda.my_node_info['identity_pubkey'], lnda.my_node_info['alias']))
print(' URI: %s' % (lnda.my_node_info['uris'][0]))
print(' LND version: %s' % (lnda.my_node_info['version']))
Printer.bprint(' == Channels')
# There are multiple closed channels with chan_id = '0', ignore them.
closed_channels = [ch for ch in lnda.closed_channels if ch['chan_id'] != '0']
channels_opened_by_me = [ch for ch in lnda.channels if ch['opened_by_me']]
print(' open: %3d' % (len(lnda.channels)))
print(' active: %3d' % (lnda.my_node_info['num_active_channels']))
print(' from me: %3d' % (len(channels_opened_by_me)))
print(' pending: %3d' % (lnda.my_node_info['num_pending_channels']))
print(' closed: %3d' % (len(closed_channels)))
Printer.bprint(' == Balance')
local_balance = sum([ sat_to_btc(ch['local_balance'])
for ch in lnda.channels ])
remote_balance = sum([ sat_to_btc(ch['remote_balance'])
for ch in lnda.channels ])
capacity = local_balance + remote_balance
commit_fees = sum([sat_to_btc(ch['commit_fee']) for ch in lnda.channels])
print(' local: %.5f' % (local_balance))
print(' remote: %.5f' % (remote_balance))
print(' capacity: %.5f (local + remote)' % (capacity))
print(' commit fees: %.5f' % (commit_fees))
print(' on-chain: %.5f' % (sat_to_btc(lnda.balance['total_balance'])))
def print_routing_info(lnda, days, rows):
Printer.bprint(' == Routing stats for the last %d days' % (days))
print(' routing events: %d' % (len(lnda.fwd_events)))
amt_forwarded = sum([int(e['amt_in']) for e in lnda.fwd_events])
print(' amt forwarded: %s satoshis (%.5f BTC)' % (
Printer.format_satoshi(amt_forwarded), sat_to_btc(amt_forwarded)))
fees = sum([int(e['fee']) for e in lnda.fwd_events])
print(' fees collected: %s satoshis' % (Printer.format_satoshi(fees)))
routing_channels = lnda.routing_channels()
show_rows = len(routing_channels) if len(routing_channels) < rows else rows
Printer.bprint(' == Routing channels (showing %d out of %d):' % (
show_rows, len(routing_channels)))
Printer.routing_channels_table(routing_channels[:rows])
def print_opened_and_closed_channels(lnda, rows):
opened_channels = sorted(lnda.channels,
key=lambda ch: ch['opened_time'],
reverse=True)
show_rows = len(opened_channels) if len(opened_channels) < rows else rows
Printer.bprint(' == Recently opened channels (showing %d out of %d):' % (
show_rows, len(opened_channels)))
Printer.open_channels_table(opened_channels[:rows])
closed_channels = sorted(lnda.closed_channels,
key=lambda ch: ch['closed_time'],
reverse=True)
show_rows = len(closed_channels) if len(closed_channels) < rows else rows
Printer.bprint(' == Recently closed channels (showing %d out of %d):' % (
show_rows, len(closed_channels)))
Printer.closed_channels_table(closed_channels[:rows])
def print_tips_on_channels_to_open(lnda, rows):
peers = lnda.peers_exhausting_inbound_capacity()
show_rows = len(peers) if len(peers) < rows else rows
Printer.bprint(' == Candidate peers to rebalance (showing %d out of %d):' % (
show_rows, len(peers)))
print('// These are the peers that received payments through your node and ' \
'almost exhausted the inbound capacity of open channels. If you ' \
'think these peers will further receive payments through your node - ' \
'you can open additional channels to them.')
Printer.peers_exhausting_inbound_capacity_table(peers[:rows])
channels = lnda.closed_routing_channels()
show_rows = len(channels) if len(channels) < rows else rows
Printer.bprint(' == Closed routing channels (showing %d out of %d):' % (
show_rows, len(channels)))
print('// If you think these channels were closed by accident - you can ' \
'try to reopen channels to these peers (note that you may already ' \
'have other channels to these peers).')
Printer.closed_routing_channels_table(channels[:rows])
peers = lnda.non_direct_peers_with_most_channels(rows)
Printer.bprint(' == Non-direct peers with the most channels (top %d):' % (
len(peers)))
print('// The list of nodes with the largest number of channels with which ' \
'your node has no channels. It is not always a good idea to open ' \
'channels to these nodes, but it could help to increase your ability ' \
'to send payments.')
# TODO: also compute and print average fees for a peer.
Printer.non_direct_peers_with_most_channels_table(peers)
def print_tips_on_channels_to_close(lnda, rows):
peers = lnda.peers_with_multiple_channels()
show_rows = len(peers) if len(peers) < int(rows/2) else int(rows/2)
Printer.bprint(' == Peers with multiple channels (showing %d out of %d):' % (
show_rows, len(peers)))
print('// You can close some of these redundant channels that are rarely ' \
'used. To free up on-chain balance - close the channels with high ' \
'local_ratio.')
Printer.peers_with_multiple_channels_table(peers[:int(rows/2)])
channels = lnda.old_unused_channels()
show_rows = len(channels) if len(channels) < rows else rows
Printer.bprint(' == Oldest unused channels (showing %d out of %d):' % (
show_rows, len(channels)))
print('// You can close some of these unused channels.')
Printer.old_unused_channels_table(channels[:rows])
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='LndAssistant deep dive report.')
parser.add_argument('--days', type = int, default = 7,
help = 'Compute forwarding stats over the last days (default: 7).')
parser.add_argument('--rows',
type = int,
default = 20,
help = 'List only top rows of tables (default: 20).')
args = parser.parse_args()
print('Generating the report, this could take some time...')
lnda = LndAssistant(days=args.days)
print_my_node_info(lnda)
print_routing_info(lnda, args.days, args.rows)
print_opened_and_closed_channels(lnda, args.rows)
print_tips_on_channels_to_open(lnda, args.rows)
print_tips_on_channels_to_close(lnda, args.rows)
print('')