def _process_addr(self,data):
payload = protocol.get_payload(data)
varint_tuple = protocol.read_var_int(payload)
num_ips = varint_tuple[0]
varint_size = varint_tuple[1]
ip_data = payload[varint_size:]
for i in range(0,num_ips):
begin_index=i*30
end_index=begin_index+30
timestamp = struct.unpack('<I',ip_data[begin_index:begin_index+4])[0]
services = struct.unpack('<Q',ip_data[begin_index+4:begin_index+12])[0]
ipv6= struct.unpack('16c',ip_data[begin_index+12:begin_index+28])[0]
ipv4= struct.unpack('4c',ip_data[begin_index+24:begin_index+28])[0]
port=struct.unpack('!H',ip_data[begin_index+28:begin_index+30])[0]
self.peer_address_list.append(socket.inet_ntop(socket.AF_INET,ip_data[begin_index+24:begin_index+28]))
def _process_inv(self,data):
payload = protocol.get_payload(data)
varint_tuple = protocol.read_var_int(payload)
num_invs = varint_tuple[0]
varint_size = varint_tuple[1]
inv_data = payload[varint_size:]
for i in range(0,num_invs):
begin_index=i*36
end_index=begin_index+36
inv_type = struct.unpack('<I',inv_data[begin_index:begin_index+4])[0]
inv_hash = struct.unpack('32c',inv_data[begin_index+4:begin_index+36])
if(inv_type ==0):#error
pass
elif(inv_type==1):#tx
self._process_inv_tx(inv_hash)
elif(inv_type==2):#block
self._process_inv_block(inv_hash)
else:
print("unknown inv")
def _process_inv(self,data):
payload = protocol.get_payload(data)
varint_tuple = protocol.read_var_int(payload)
num_invs = varint_tuple[0]
varint_size = varint_tuple[1]
inv_data = payload[varint_size:]
for i in range(0,num_invs):
begin_index=i*36
end_index=begin_index+36
inv_type = struct.unpack('<I',inv_data[begin_index:begin_index+4])[0]
inv_hash = struct.unpack('32c',inv_data[begin_index+4:begin_index+36])
if not protocol.is_valid_inv_type(inv_type,self.crypto):
logging.error("unknown inv {} found".format(inv_type))
if inv_type == 1:#tx
self._process_inv_tx(inv_hash)
elif inv_type == 2:#block
self._process_inv_block(inv_hash)
elif inv_type == 3:#filtered block
pass
def _process_get_data(self,data):
payload = protocol.get_payload(data)
varint_tuple = protocol.read_var_int(payload)
num_invs = varint_tuple[0]
varint_size = varint_tuple[1]
inv_data = payload[varint_size:]
for i in range(0,num_invs):
begin_index=i*36
end_index=begin_index+36
inv_type = struct.unpack('<I',inv_data[begin_index:begin_index+4])[0]
inv_hash = struct.unpack('32c',inv_data[begin_index+4:begin_index+36])
if(inv_type ==0):#error
pass
elif(inv_type==1):#tx
tx_hash=''.join(inv_hash) #convert tuple to string
self._send_tx(tx_hash)
elif(inv_type==2):#block
pass
else:
logging.error("unknown inv {} found".format(inv_type))
def _process_reject(self,data):
payload = protocol.get_payload(data)
varint_tuple = protocol.read_var_int(payload)
size_message = varint_tuple[0]
varint_size = varint_tuple[1]
message_rejected = payload[varint_size:varint_size+size_message]
code = struct.unpack('B',payload[varint_size+size_message:varint_size+size_message+1])[0]
payload = payload[varint_size+size_message+1:]
varint_tuple = protocol.read_var_int(payload)
size_reason = varint_tuple[0]
varint_size=varint_tuple[1]
reason = payload[varint_size:varint_size+size_reason]
data = payload[varint_size+size_reason:]
if message_rejected == 'tx':
pass
msg='{} rejected, reason: {}, code: {}, data: {}'.format(message_rejected,reason,code,data)
logging.error(msg)
