diff options
Diffstat (limited to 'qa/rpc-tests/preciousblock.py')
| -rwxr-xr-x | qa/rpc-tests/preciousblock.py | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/qa/rpc-tests/preciousblock.py b/qa/rpc-tests/preciousblock.py index 854dcc7251..3cefa51c0a 100755 --- a/qa/rpc-tests/preciousblock.py +++ b/qa/rpc-tests/preciousblock.py @@ -8,7 +8,12 @@ # from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import * +from test_framework.util import ( + assert_equal, + connect_nodes_bi, + sync_chain, + sync_blocks, +) def unidirectional_node_sync_via_rpc(node_src, node_dest): blocks_to_copy = [] @@ -33,84 +38,82 @@ def node_sync_via_rpc(nodes): unidirectional_node_sync_via_rpc(node_src, node_dest) class PreciousTest(BitcoinTestFramework): - def setup_chain(self): - print("Initializing test directory "+self.options.tmpdir) - initialize_chain_clean(self.options.tmpdir, 3) + def __init__(self): + super().__init__() + self.setup_clean_chain = True + self.num_nodes = 3 + self.extra_args = [["-debug"]] * self.num_nodes def setup_network(self): - self.nodes = [] - self.is_network_split = False - self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"])) - self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"])) - self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"])) + self.nodes = self.setup_nodes() def run_test(self): print("Ensure submitblock can in principle reorg to a competing chain") self.nodes[0].generate(1) - assert(self.nodes[0].getblockcount() == 1) + assert_equal(self.nodes[0].getblockcount(), 1) (hashY, hashZ) = self.nodes[1].generate(2) - assert(self.nodes[1].getblockcount() == 2) + assert_equal(self.nodes[1].getblockcount(), 2) node_sync_via_rpc(self.nodes[0:3]) - assert(self.nodes[0].getbestblockhash() == hashZ) + assert_equal(self.nodes[0].getbestblockhash(), hashZ) print("Mine blocks A-B-C on Node 0") (hashA, hashB, hashC) = self.nodes[0].generate(3) - assert(self.nodes[0].getblockcount() == 5) + assert_equal(self.nodes[0].getblockcount(), 5) print("Mine competing blocks E-F-G on Node 1") (hashE, hashF, hashG) = self.nodes[1].generate(3) - assert(self.nodes[1].getblockcount() == 5) + assert_equal(self.nodes[1].getblockcount(), 5) assert(hashC != hashG) print("Connect nodes and check no reorg occurs") # Submit competing blocks via RPC so any reorg should occur before we proceed (no way to wait on inaction for p2p sync) node_sync_via_rpc(self.nodes[0:2]) connect_nodes_bi(self.nodes,0,1) - assert(self.nodes[0].getbestblockhash() == hashC) - assert(self.nodes[1].getbestblockhash() == hashG) + assert_equal(self.nodes[0].getbestblockhash(), hashC) + assert_equal(self.nodes[1].getbestblockhash(), hashG) print("Make Node0 prefer block G") self.nodes[0].preciousblock(hashG) - assert(self.nodes[0].getbestblockhash() == hashG) + assert_equal(self.nodes[0].getbestblockhash(), hashG) print("Make Node0 prefer block C again") self.nodes[0].preciousblock(hashC) - assert(self.nodes[0].getbestblockhash() == hashC) + assert_equal(self.nodes[0].getbestblockhash(), hashC) print("Make Node1 prefer block C") self.nodes[1].preciousblock(hashC) sync_chain(self.nodes[0:2]) # wait because node 1 may not have downloaded hashC - assert(self.nodes[1].getbestblockhash() == hashC) + assert_equal(self.nodes[1].getbestblockhash(), hashC) print("Make Node1 prefer block G again") self.nodes[1].preciousblock(hashG) - assert(self.nodes[1].getbestblockhash() == hashG) + assert_equal(self.nodes[1].getbestblockhash(), hashG) print("Make Node0 prefer block G again") self.nodes[0].preciousblock(hashG) - assert(self.nodes[0].getbestblockhash() == hashG) + assert_equal(self.nodes[0].getbestblockhash(), hashG) print("Make Node1 prefer block C again") self.nodes[1].preciousblock(hashC) - assert(self.nodes[1].getbestblockhash() == hashC) + assert_equal(self.nodes[1].getbestblockhash(), hashC) print("Mine another block (E-F-G-)H on Node 0 and reorg Node 1") self.nodes[0].generate(1) - assert(self.nodes[0].getblockcount() == 6) + assert_equal(self.nodes[0].getblockcount(), 6) sync_blocks(self.nodes[0:2]) hashH = self.nodes[0].getbestblockhash() - assert(self.nodes[1].getbestblockhash() == hashH) + assert_equal(self.nodes[1].getbestblockhash(), hashH) print("Node1 should not be able to prefer block C anymore") self.nodes[1].preciousblock(hashC) - assert(self.nodes[1].getbestblockhash() == hashH) + assert_equal(self.nodes[1].getbestblockhash(), hashH) print("Mine competing blocks I-J-K-L on Node 2") self.nodes[2].generate(4) - assert(self.nodes[2].getblockcount() == 6) + assert_equal(self.nodes[2].getblockcount(), 6) hashL = self.nodes[2].getbestblockhash() print("Connect nodes and check no reorg occurs") node_sync_via_rpc(self.nodes[0:3]) connect_nodes_bi(self.nodes,1,2) connect_nodes_bi(self.nodes,0,2) - assert(self.nodes[0].getbestblockhash() == hashH) - assert(self.nodes[1].getbestblockhash() == hashH) - assert(self.nodes[2].getbestblockhash() == hashL) + assert_equal(self.nodes[0].getbestblockhash(), hashH) + assert_equal(self.nodes[1].getbestblockhash(), hashH) + assert_equal(self.nodes[2].getbestblockhash(), hashL) print("Make Node1 prefer block L") self.nodes[1].preciousblock(hashL) - assert(self.nodes[1].getbestblockhash() == hashL) + assert_equal(self.nodes[1].getbestblockhash(), hashL) print("Make Node2 prefer block H") self.nodes[2].preciousblock(hashH) - assert(self.nodes[2].getbestblockhash() == hashH) + assert_equal(self.nodes[2].getbestblockhash(), hashH) if __name__ == '__main__': PreciousTest().main() |