def summarize(conn: leveldb.LevelDB):
counts = defaultdict(int)
for k, v in conn.RangeIter():
assert isinstance(k, bytearray)
kind = chr(k[0])
counts[kind] += 1
code_to_name = {t.value: t.name for t in RowType}
def dump_csv(conn: leveldb.LevelDB) -> None:
"""Dump the data from a given connection."""
writer = csv.writer(sys.stdout)
secret = get_obfuscate_key(conn)
writer.writerow(['txid', 'vout', 'height', 'coinbase', 'amount'])
for k, v in conn.RangeIter(b'C', b'D', include_value=True):
txid, vout = decode_key(k)
decrypt(v, secret)
height, coinbase, amount = decode_val(v)
writer.writerow([txid, vout, height, coinbase, amount])
def dump_chainstate_csv(conn: leveldb.LevelDB):
secret = get_obfuscate_key(conn)
writer = csv.writer(sys.stdout)
writer.writerow(
['txid', 'vout', 'height', 'coinbase', 'amount', 'scriptsize'])
for k, v in conn.RangeIter(b'C', b'D', include_value=True):
txid, vout = decode_key(k)
decrypt(v, secret)
height, coinbase, amount, sz = decode_val(v)
writer.writerow([txid, vout, height, coinbase, amount, sz])
def summarize(conn: leveldb.LevelDB):
counts = defaultdict(int)
for k, v in conn.RangeIter():
assert isinstance(k, bytearray)
kind = chr(k[0])
counts[kind] += 1
code_to_name = {t.value: t.name for t in RowType}
for k, v in sorted(
counts.items(), key=operator.itemgetter(1), reverse=True):
print('{:15s} {}'.format(code_to_name[k], v))
def do_viewpeakcachedb(args, dbh):
from leveldb import LevelDB
from collections import defaultdict
ldb = LevelDB(args.peakcachedb, create_if_missing=False)
batches = defaultdict(int)
for key in ldb.RangeIter(include_value=False):
batch_code = bytes(key.split(b'|', 1)[0])
batches[batch_code] += 1
cout('Peakcache DB: %s' % args.peakcachedb)
for (k, v) in batches.items():
cout('\t%s\t%4d' % (k.decode(), v))