def sync_block():
length = 0
block_chain_new = None
for column, i in enumerate(BaseUtils.node):
message = BaseUtils.parse_node_valid(url='http://%s/block/sync/get' % i.addr, column=column)
if not message:
continue
block_chain = BaseUtils.load_all_block(json.loads(message))
if len(block_chain) > length:
length = len(block_chain)
block_chain_new = block_chain[:]
if block_chain_new:
for i in block_chain_new:
i.have_sync = True
for i in BaseUtils.node:
data = json.dumps(BaseUtils.parse_all_block(block=block_chain_new[:]))
BaseUtils.parse_node_valid(url='http://%s/block/add/new' % i.addr, data=data, column=column, method='post')
if getsizeof(json.dumps(BaseUtils.parse_all_block(block=BaseUtils.block_chain_have_sync)))\
/ 1024 / 1024 > base_block_cap:
block_size = len(BaseUtils.block_chain_have_sync) - 7
BaseUtils.parse_block_to_file(new_block=BaseUtils.block_chain_have_sync,
filename=str(BaseUtils.block_chain_have_sync[block_size - 1].index),
block_size=block_size)
if BaseUtils.block_chain_not_sync:
BaseUtils.block_chain_not_sync[0].index = BaseUtils.block_chain_have_sync[-1].index + 1
BaseUtils.block_chain_not_sync[0].previous_hash = BaseUtils.block_chain_have_sync[-1].hash
else:
BaseUtils.block_new.index = BaseUtils.block_chain_have_sync[-1].index + 1
BaseUtils.block_new.previous_hash = BaseUtils.block_chain_have_sync[-1].hash
return 'sync block success, and the sync block_link\'s length is %s' % length
def register_node():
values = request.values
if 'addr' not in values or 'data' not in values or 'first' not in values:
return 'Error: you must offer address and data in this request !!'
addr = values['addr']
data = values['data']
first = values['first']
for i in BaseUtils.node:
if i.addr == addr:
return 'you have register!!'
BaseUtils.register_node(addr=addr, data=data)
httpRequest.request('GET', url='http://%s/node/register?addr=%s&data=%s&first=0'
% (addr, BaseUtils.node[0].addr, BaseUtils.node[0].data))
for i in BaseUtils.node:
httpRequest.request('GET', url='http://%s/node/register?data=%s&addr=%s&first=0' % (i.addr, data, addr))
result = json.loads(requests.get('http://%s/block/sync/first' % addr).text)
if first == '1':
threading.Thread(target=BaseUtils.get_data_to_nodeByHttp, args=(result['ip'],)).start()
BaseUtils.block_chain_have_sync = BaseUtils.load_all_block(result['block_chain_have_sync'])
BaseUtils.block_chain_not_sync = BaseUtils.load_all_block(result['block_chain_not_sync'])
return 'Success: you have added in the network-link !!'
def add_new_sync():
block_chain_new_str = json.loads(request.data.decode())
block_chain_new = BaseUtils.load_all_block(block_chain_new_str)
if block_chain_new[0].previous_hash == BaseUtils.block_chain_have_sync[-1].hash:
BaseUtils.block_chain_have_sync.extend(block_chain_new)
block_new_hash = [i.hash for i in block_chain_new]
while BaseUtils.block_chain_not_sync:
if BaseUtils.block_chain_not_sync[0].hash not in block_new_hash:
break
else:
BaseUtils.block_chain_not_sync.pop(0)
if BaseUtils.block_chain_not_sync:
BaseUtils.block_chain_not_sync[0].previous_hash = BaseUtils.block_chain_have_sync[-1].hash
return 'Success: sync finish!'