def dump_metadata(self):
from coro.asn1.data_file import DataFileWriter
from __main__ import G
LOG('saving metadata', 'start')
t0 = timer()
metadata_path = os.path.join(G.args.base, self.metadata_path)
fileob = open(metadata_path + '.tmp', 'wb')
df = DataFileWriter(fileob)
version = 1
df.write_object([version, len(self.blocks)])
for a, pos in self.blocks.iteritems():
df.write_object(
[str(a), pos, self.block_num[a],
str(self.prev[a])])
fileob.close()
os.rename(metadata_path + '.tmp', metadata_path)
LOG('saving metadata', 'stop', t0.end())
def save_state(self):
from coro.asn1.data_file import DataFileWriter
from __main__ import G
save_path = os.path.join(G.args.base, self.save_path)
f = open(save_path + '.tmp', 'wb')
df = DataFileWriter(f)
t0 = timer()
df.write_object([
self.cache_version, self.height,
str(self.block_name), self.total, self.lost, self.fees,
len(self.outpoints)
])
n = 0
for item in self.outpoints:
df.write_object(item)
n += 1
if n % 1000 == 999:
coro.yield_slice()
f.close()
os.rename(save_path + '.tmp', save_path)
LOG('saved outpoints', len(self.outpoints), n, t0.end())
