def handle_handshake(self, msg, conn, addr):
log.info("------server handle_handshake from " + str(addr) + "------")
data = msg.get("data", "")
last_height = data.get("last_height", 0)
log.info("------with last_height " + str(last_height) + "------")
block_chain = BlockChain()
block = block_chain.get_last_block()
log.info('------s hand_shake ls_blo ' + str(block) + '------')
if block:
local_last_height = block.block_header.height
else:
local_last_height = -1
log.info("server local_last_height %d, last_height %d" %
(local_last_height, last_height))
if local_last_height >= last_height:
try:
st = StopMine()
log.info('------works------')
if st.h < local_last_height:
st.h = local_last_height
log.info("------" + str(addr) + " is the highest " +
str(st.h) + "------")
except:
log.info('------dont work------')
log.info("------server handle_handshake precede------")
try:
genesis_block = block_chain[0]
except:
genesis_block = None
data = {"last_height": -1, "genesis_block": ""}
if genesis_block:
data = {
"last_height": local_last_height,
"genesis_block": genesis_block.serialize()
}
msg = Msg(Msg.HAND_SHAKE_MSG, data)
return msg
elif local_last_height < last_height:
try:
st = StopMine()
if st.h < last_height:
st.h = last_height
st.ip = addr
log.info('------works------')
log.info("------" + str(addr) + ' is the highest ' +
str(st.h) + "------")
except:
log.info('failed to stop mine')
log.info("------server handle_handshake fall behind------")
start_height = 0 if local_last_height == -1 else local_last_height
synchronize_range = [start_height + 1, last_height + 1]
log.info("------server need synchronize range " +
str(synchronize_range[0]) + " " +
str(synchronize_range[1]) + "------")
send_msg = Msg(Msg.SYNCHRONIZE_MSG, synchronize_range)
return send_msg
def handle_shake(self, msg):
log.info("------client handle_shake from " + str(self.ip) + "------")
data = msg.get("data", "")
last_height = data.get("last_height", 0)
log.info("------with last height " + str(last_height) + "------")
block_chain = BlockChain()
block = block_chain.get_last_block()
log.info('------c handle_sh ls_blo ' + str(block) + '------')
if block:
local_last_height = block.block_header.height
else:
local_last_height = -1
log.info("client local_last_height %d, last_height %d" %
(local_last_height, last_height))
if local_last_height > last_height:
try:
st = StopMine()
log.info('------works------')
if st.h < local_last_height:
st.h = local_last_height
except:
log.info('------dont work------')
log.info("------error shake------")
log.info("client local_last_height %d, last_height %d" %
(local_last_height, last_height))
send_data = []
for i in range(1, local_last_height + 1):
block = None
while not block:
try:
block = block_chain.get_block_by_height(i)
time.sleep(2)
except:
time.sleep(2)
send_data.append(block.serialize())
msg = Msg(Msg.SYNCHRONIZE_MSG, send_data)
self.send(msg)
log.info("------client handle_shake send synchronize msg to" +
str(self.ip) + "------")
elif local_last_height < last_height:
try:
st = StopMine()
log.info('------works------')
if st.h < last_height:
st.h = last_height
st.ip = self.ip
log.info("------" + str(self.ip) + ' is the highest ' +
str(st.h) + "------")
except:
log.info('------dont work------')
start_height = 0 if local_last_height == -1 else local_last_height
get_range = [start_height + 1, last_height + 1]
send_msg = Msg(Msg.GET_BLOCK_MSG, get_range)
self.send(send_msg)
else:
t = threading.Thread(target=self.shake_loop(), args=())
t.start()