def read_header(self, block_height):
if os.path.exists(self.headers_filename):
with open(self.headers_filename, 'rb') as f:
f.seek(block_height * 80)
h = f.read(80)
if len(h) == 80:
h = header_from_string(h)
return h
def read_header(self, block_height):
if os.path.exists(self.headers_filename):
with open(self.headers_filename, 'rb') as f:
f.seek(block_height * 80)
h = f.read(80)
if len(h) == 80:
h = header_from_string(h)
return h
def reader_header(block_height):
global count
headers_filename = os.path.join(headers_path, 'blockchain_headers')
count = 0
h = b''
if os.path.exists(headers_filename):
with open(headers_filename, 'rb') as f:
f.seek(block_height * 80)
h = f.read(80)
with open('header_chunk_client', 'ab+') as the_file:
the_file.write(h)
if len(h) == 80:
count = count + 1
h = header_from_string(h)
return header_to_string(h)
