def test_request_get_headers_very_long_chain(self, mock):
first_block = Block(CBlock(), BlockOrigin.public)
first_block.prevBlock = None
first_block.cached_hash = '0'
tmp = first_block
for i in range(1, 17):
block = Block(CBlock(), BlockOrigin.public)
block.prevBlock = tmp
block.cached_hash = str(i)
tmp = block
mock.return_value = tmp
headers = chainutil.request_get_headers([MagicMock()],
BlockOrigin.public)
self.assertEqual(len(headers), 5)
self.assertEqual(headers[0], '16')
self.assertEqual(headers[1], '15')
self.assertEqual(headers[2], '13')
self.assertEqual(headers[3], '9')
self.assertEqual(headers[4], '1')
def test_adopt_two_blocks_lead_public(self):
third_block_chain_b = Block(CBlock(), BlockOrigin.public)
third_block_chain_b.height = 3
third_block_chain_b.prevBlock = self.second_block_chain_b
third_block_chain_b.cached_hash = '3b'
self.executor.execute(Action.adopt, self.first_block_chain_a, third_block_chain_b)
self.assertTrue(self.networking.send_inv.called)
blocks = [block.hash() for block in self.networking.send_inv.call_args[0][0]]
self.assertEqual(len(blocks), 3)
self.assertTrue('1b' in blocks)
self.assertTrue('2b' in blocks)
self.assertTrue('3b' in blocks)
def test_override_two_blocks_lead_private(self):
third_block_chain_a = Block(CBlock(), BlockOrigin.private)
third_block_chain_a.height = 3
third_block_chain_a.prevBlock = self.second_block_chain_a
third_block_chain_a.cached_hash = '3a'
self.executor.execute(Action.override, third_block_chain_a, self.first_block_chain_b)
self.assertTrue(self.networking.send_inv.called)
blocks = [block.hash() for block in self.networking.send_inv.call_args[0][0]]
self.assertEqual(len(blocks), 3)
self.assertTrue('1a' in blocks)
self.assertTrue('2a' in blocks)
self.assertTrue('1b' in blocks)