def check_backend_state():
"""Checks blocktime of last block to see if {} Core is running behind.""".format(config.BTC_NAME)
block_count = backend.getblockcount()
block_hash = backend.getblockhash(block_count)
cblock = backend.getblock(block_hash)
time_behind = time.time() - cblock.nTime # TODO: Block times are not very reliable.
if time_behind > 60 * 60 * 2: # Two hours.
raise BackendError('Bitcoind is running about {} hours behind.'.format(round(time_behind / 3600)))
# check backend index
blocks_behind = backend.getindexblocksbehind()
if blocks_behind > 5:
raise BackendError('Indexd is running {} blocks behind.'.format(blocks_behind))
logger.debug('Backend state check passed.')
def get_running_info():
latestBlockIndex = backend.getblockcount()
try:
check_database_state(self.db, latestBlockIndex)
except DatabaseError:
caught_up = False
else:
caught_up = True
try:
cursor = self.db.cursor()
blocks = list(cursor.execute('''SELECT * FROM blocks WHERE block_index = ?''', (util.CURRENT_BLOCK_INDEX, )))
assert len(blocks) == 1
last_block = blocks[0]
cursor.close()
except:
last_block = None
try:
last_message = util.last_message(self.db)
except:
last_message = None
try:
indexd_blocks_behind = backend.getindexblocksbehind()
except:
indexd_blocks_behind = latestBlockIndex if latestBlockIndex > 0 else 999999
indexd_caught_up = indexd_blocks_behind <= 1
server_ready = caught_up and indexd_caught_up
return {
'server_ready': server_ready,
'db_caught_up': caught_up,
'bitcoin_block_count': latestBlockIndex,
'last_block': last_block,
'indexd_caught_up': indexd_caught_up,
'indexd_blocks_behind': indexd_blocks_behind,
'last_message_index': last_message['message_index'] if last_message else -1,
'api_limit_rows': config.API_LIMIT_ROWS,
'running_testnet': config.TESTNET,
'running_regtest': config.REGTEST,
'running_testcoin': config.TESTCOIN,
'version_major': config.VERSION_MAJOR,
'version_minor': config.VERSION_MINOR,
'version_revision': config.VERSION_REVISION
}