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#
# Code for parsing the blkindex.dat file
#
from bsddb.db import *
import logging
from operator import itemgetter
import sys
import time
from BCDataStream import *
from base58 import public_key_to_bc_address
from util import short_hex
from deserialize import *
def dump_blkindex_summary(db_env):
db = DB(db_env)
try:
r = db.open("blkindex.dat", "main", DB_BTREE, DB_THREAD|DB_RDONLY)
except DBError:
r = True
if r is not None:
logging.error("Couldn't open blkindex.dat/main. Try quitting any running Bitcoin apps.")
sys.exit(1)
kds = BCDataStream()
vds = BCDataStream()
n_tx = 0
n_blockindex = 0
print("blkindex file summary:")
for (key, value) in db.items():
kds.clear(); kds.write(key)
vds.clear(); vds.write(value)
type = kds.read_string()
if type == "tx":
n_tx += 1
elif type == "blockindex":
n_blockindex += 1
elif type == "version":
version = vds.read_int32()
print(" Version: %d"%(version,))
elif type == "hashBestChain":
hash = vds.read_bytes(32)
print(" HashBestChain: %s"%(hash.encode('hex_codec'),))
else:
logging.warn("blkindex: unknown type '%s'"%(type,))
continue
print(" %d transactions, %d blocks."%(n_tx, n_blockindex))
db.close()
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