def getblocks(self, message):
blkmeta = self.chaindb.locate(message.locator)
height = blkmeta.height
top_height = self.getheight()
end_height = height + 500
if end_height > top_height:
end_height = top_height
msg = messages.msg_inv()
while height <= end_height:
hash = long(self.chaindb.height[str(height)])
if hash == message.hashstop:
break
inv = net.CInv()
inv.type = messages.MSG_BLOCK
inv.hash = hash
msg.inv.append(inv)
height += 1
if len(msg.inv) > 0:
self.send_message(msg)
if height <= top_height:
self.hash_continue = msg.inv[-1].hash
def test_inv_message_msg_unknown(self):
inv = net.CInv()
inv.type = "Unknown"
msg = messages.msg_inv
msg.inv = [inv]
self.networking.inv_message(self.private_connection, msg)
self.assertFalse(self.private_connection.send.called)
self.assertFalse(self.public_connection1.send.called)
self.assertFalse(self.public_connection2.send.called)
def test_inv_message_msg_error(self):
inv = net.CInv()
inv.type = networking.inv_typemap['Error']
msg = messages.msg_inv
msg.inv = [inv]
self.networking.inv_message(self.private_connection, msg)
self.assertFalse(self.private_connection.send.called)
self.assertFalse(self.public_connection1.send.called)
self.assertFalse(self.public_connection2.send.called)
def test_inv_message_msg_tx_known(self):
inv = net.CInv()
inv.type = networking.inv_typemap['TX']
inv.hash = 'hash1'
msg = messages.msg_inv()
msg.inv = [inv]
self.networking.txs = {inv.hash: 'saved_transaction'}
self.networking.inv_message(self.private_connection, msg)
self.assertFalse(self.private_connection.send.called)
self.assertFalse(self.public_connection1.send.called)
self.assertFalse(self.public_connection2.send.called)
def send_getblocks(self):
our_height = self.chaindb.getheight()
if our_height < 0:
gd = messages.msg_getdata(protover=self.ver_send)
inv = net.CInv()
inv.type = 2
inv.hash = self.params.GENESIS_BLOCK.GetHash()
gd.inv.append(inv)
self.send_message(gd)
elif our_height < self.remote_height:
gb = messages.msg_getblocks(protover=self.ver_send)
if our_height >= 0:
gb.locator.vHave.append(self.chaindb.gettophash())
self.send_message(gb)
def test_inv_message_msg_block_private(self, mock):
mock.return_value = ['hash20', 'hash19']
self.networking.request_blocks = MagicMock()
inv = net.CInv()
inv.hash = 'hash1'
inv.type = networking.inv_typemap['Block']
msg = messages.msg_inv
msg.inv = [inv]
self.networking.inv_message(self.private_connection, msg)
self.assertEqual(self.private_connection.send.call_count, 1)
self.assertTrue(mock.called)
self.assertEqual(self.private_connection.send.call_args_list[0][0][0],
'getheaders')
def test_inv_message_msg_request_block(self, mock):
mock.return_value = ['hash20', 'hash19']
self.networking.request_blocks = MagicMock()
inv = net.CInv()
inv.hash = 'hash1'
inv.type = networking.inv_typemap['Block']
msg = messages.msg_inv
msg.inv = [inv]
self.networking.inv_message(self.private_connection, msg)
self.assertTrue(self.networking.request_blocks.called)
self.assertEqual(self.networking.request_blocks.call_args[0][0],
self.private_connection)
self.assertEqual(self.networking.request_blocks.call_args[0][1],
['hash1'])
def getdata_block(self, blkhash):
block = self.chaindb.getblock(blkhash)
if block is None:
return
msg = messages.msg_block()
msg.block = block
self.send_message(msg)
if blkhash == self.hash_continue:
self.hash_continue = None
inv = net.CInv()
inv.type = messages.MSG_BLOCK
inv.hash = self.chaindb.gettophash()
msg = messages.msg_inv()
msg.inv.append(inv)
self.send_message(msg)
def got_message(self, message):
gevent.sleep()
if self.last_sent + 30 * 60 < time.time():
self.send_message(messages.msg_ping(self.ver_send))
self.log.debug("recv %s" % repr(message))
if message.command == "version":
self.ver_send = min(self.params.PROTO_VERSION, message.nVersion)
if self.ver_send < self.params.MIN_PROTO_VERSION:
self.log.info("Obsolete version %d, closing" %
(self.ver_send, ))
self.handle_close()
return
if (self.ver_send >= self.params.NOBLKS_VERSION_START
and self.ver_send <= self.params.NOBLKS_VERSION_END):
self.getblocks_ok = False
self.remote_height = message.nStartingHeight
self.send_message(messages.msg_verack(self.ver_send))
if self.ver_send >= self.params.CADDR_TIME_VERSION:
self.send_message(messages.msg_getaddr(self.ver_send))
self.request_latest()
self.client_version = message.strSubVer
elif message.command == "verack":
self.ver_recv = self.ver_send
if self.ver_send >= self.params.MEMPOOL_GD_VERSION:
self.send_message(messages.msg_mempool())
elif message.command == "ping":
if self.ver_send > self.params.BIP0031_VERSION:
self.send_message(messages.msg_pong(self.ver_send))
elif message.command == "addr":
self.peermgr.new_addrs(message.addrs)
elif message.command == "inv":
# special message sent to kick getblocks
if (len(message.inv) == 1
and message.inv[0].type == messages.MSG_BLOCK
and self.chaindb.haveblock(message.inv[0].hash, True)):
self.request_latest(False)
return
want = messages.msg_getdata(self.ver_send)
for i in message.inv:
if i.type == 1:
want.inv.append(i)
elif i.type == 2:
want.inv.append(i)
if len(want.inv):
self.send_message(want)
elif message.command == "tx":
if self.chaindb.tx_is_orphan(message.tx):
self.log.info("MemPool: Ignoring orphan TX {}".format(
message.tx.GetHash().encode('hex')))
elif not self.chaindb.tx_signed(message.tx, None, True):
self.log.info("MemPool: Ignoring failed-sig TX {}".format(
message.tx.GetHash().encode('hex')))
else:
self.mempool.add(message.tx)
elif message.command == "block":
self.chaindb.putblock(message.block)
self.last_block_rx = time.time()
elif message.command == "headers":
self.chaindb.putblock(message.block)
self.last_block_rx = time.time()
elif message.command == "getdata":
self.getdata(message)
elif message.command == "getblocks":
self.getblocks(message)
elif message.command == "getheaders":
self.getheaders(message)
elif message.command == "getaddr":
msg = messages.msg_addr()
msg.addrs = self.peermgr.random_addrs()
self.send_message(msg)
elif message.command == "mempool":
msg = messages.msg_inv()
for k in self.mempool.pool.iterkeys():
inv = net.CInv()
inv.type = messages.MSG_TX
inv.hash = k
msg.inv.append(inv)
if len(msg.inv) == 50000:
break
self.send_message(msg)
# if we haven't seen a 'block' message in a little while,
# and we're still not caught up, send another getblocks
last_blkmsg = time.time() - self.last_block_rx
if last_blkmsg > 5:
self.request_latest()
def hash_to_inv(inv_type, inv_hash):
inv = net.CInv()
inv.type = inv_typemap[inv_type]
inv.hash = inv_hash
return inv