def setup_network(self):
self.setup_nodes()
mine_until_pop_enabled(self.nodes[0])
for i in range(self.num_nodes - 1):
connect_nodes(self.nodes[i + 1], i)
self.sync_all()
def _can_endorse(self):
self.log.warning("starting _can_endorse()")
connect_nodes(self.nodes[0], 1)
self.sync_all()
disconnect_nodes(self.nodes[1], 0)
mine_until_pop_enabled(self.nodes[0])
lastblock = self.nodes[0].getblockcount()
# endorse block 200 (fork A tip)
addr0 = self.nodes[0].getnewaddress()
txid = endorse_block(self.nodes[0], self.apm, lastblock, addr0)
self.log.info("node0 endorsed block {} (fork A tip)".format(lastblock))
# mine pop tx on node0
self.nodes[0].generate(nblocks=1)
tip = self.get_best_block(self.nodes[0])
self.log.info("node0 tip is {}".format(tip['height']))
self.nodes[1].generate(nblocks=250)
tip2 = self.get_best_block(self.nodes[1])
self.log.info("node1 tip is {}".format(tip2['height']))
connect_nodes(self.nodes[0], 1)
self.sync_all()
bestblocks = [self.get_best_block(x) for x in self.nodes]
assert_equal(bestblocks[0]['hash'], bestblocks[1]['hash'])
self.log.info("all nodes switched to common block")
for i in range(len(bestblocks)):
assert bestblocks[i]['height'] == tip['height'], \
"node[{}] expected to select shorter chain ({}) with higher pop score\n" \
"but selected longer chain ({})".format(i, tip['height'], bestblocks[i]['height'])
self.log.info("all nodes selected fork A as best chain")
self.log.warning("_can_endorse() succeeded!")
def setup_network(self):
self.setup_nodes()
mine_until_pop_enabled(self.nodes[0])
# nodes[0,1] will be restarted
# node[2] is a control node
# all nodes connected and synced
for i in range(self.num_nodes - 1):
connect_nodes(self.nodes[i + 1], i)
self.sync_all(self.nodes, timeout=60)
def setup_network(self):
self.setup_nodes()
mine_until_pop_enabled(self.nodes[0])
connect_nodes(self.nodes[0], 1)
self.sync_all(self.nodes)
def setup_network(self):
self.add_nodes(self.num_nodes)
self.start_node(0)
# POP should be enabled because merkle root calculation differs for non-POP blocks
mine_until_pop_enabled(self.nodes[0])