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test/functional/rpc_preciousblock.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2015-2019 The Bitcoin Core developers | # Copyright (c) 2015-2019 The Bitcoin Core developers | ||||
| # Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
| """Test the preciousblock RPC.""" | """Test the preciousblock RPC.""" | ||||
| from test_framework.test_framework import BitcoinTestFramework | from test_framework.test_framework import BitcoinTestFramework | ||||
| from test_framework.util import ( | from test_framework.util import ( | ||||
| assert_equal, | assert_equal, | ||||
| connect_nodes_bi, | connect_nodes_bi, | ||||
| sync_blocks, | |||||
| ) | ) | ||||
| def unidirectional_node_sync_via_rpc(node_src, node_dest): | def unidirectional_node_sync_via_rpc(node_src, node_dest): | ||||
| blocks_to_copy = [] | blocks_to_copy = [] | ||||
| blockhash = node_src.getbestblockhash() | blockhash = node_src.getbestblockhash() | ||||
| while True: | while True: | ||||
| try: | try: | ||||
| ▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines | def run_test(self): | ||||
| self.nodes[0].preciousblock(hashG) | self.nodes[0].preciousblock(hashG) | ||||
| assert_equal(self.nodes[0].getbestblockhash(), hashG) | assert_equal(self.nodes[0].getbestblockhash(), hashG) | ||||
| self.log.info("Make Node0 prefer block C again") | self.log.info("Make Node0 prefer block C again") | ||||
| self.nodes[0].preciousblock(hashC) | self.nodes[0].preciousblock(hashC) | ||||
| assert_equal(self.nodes[0].getbestblockhash(), hashC) | assert_equal(self.nodes[0].getbestblockhash(), hashC) | ||||
| self.log.info("Make Node1 prefer block C") | self.log.info("Make Node1 prefer block C") | ||||
| self.nodes[1].preciousblock(hashC) | self.nodes[1].preciousblock(hashC) | ||||
| # wait because node 1 may not have downloaded hashC | # wait because node 1 may not have downloaded hashC | ||||
| sync_blocks(self.nodes[0:2]) | self.sync_blocks(self.nodes[0:2]) | ||||
| assert_equal(self.nodes[1].getbestblockhash(), hashC) | assert_equal(self.nodes[1].getbestblockhash(), hashC) | ||||
| self.log.info("Make Node1 prefer block G again") | self.log.info("Make Node1 prefer block G again") | ||||
| self.nodes[1].preciousblock(hashG) | self.nodes[1].preciousblock(hashG) | ||||
| assert_equal(self.nodes[1].getbestblockhash(), hashG) | assert_equal(self.nodes[1].getbestblockhash(), hashG) | ||||
| self.log.info("Make Node0 prefer block G again") | self.log.info("Make Node0 prefer block G again") | ||||
| self.nodes[0].preciousblock(hashG) | self.nodes[0].preciousblock(hashG) | ||||
| assert_equal(self.nodes[0].getbestblockhash(), hashG) | assert_equal(self.nodes[0].getbestblockhash(), hashG) | ||||
| self.log.info("Make Node1 prefer block C again") | self.log.info("Make Node1 prefer block C again") | ||||
| self.nodes[1].preciousblock(hashC) | self.nodes[1].preciousblock(hashC) | ||||
| assert_equal(self.nodes[1].getbestblockhash(), hashC) | assert_equal(self.nodes[1].getbestblockhash(), hashC) | ||||
| self.log.info( | self.log.info( | ||||
| "Mine another block (E-F-G-)H on Node 0 and reorg Node 1") | "Mine another block (E-F-G-)H on Node 0 and reorg Node 1") | ||||
| self.nodes[0].generatetoaddress(1, gen_address(0)) | self.nodes[0].generatetoaddress(1, gen_address(0)) | ||||
| assert_equal(self.nodes[0].getblockcount(), 6) | assert_equal(self.nodes[0].getblockcount(), 6) | ||||
| sync_blocks(self.nodes[0:2]) | self.sync_blocks(self.nodes[0:2]) | ||||
| hashH = self.nodes[0].getbestblockhash() | hashH = self.nodes[0].getbestblockhash() | ||||
| assert_equal(self.nodes[1].getbestblockhash(), hashH) | assert_equal(self.nodes[1].getbestblockhash(), hashH) | ||||
| self.log.info("Node1 should not be able to prefer block C anymore") | self.log.info("Node1 should not be able to prefer block C anymore") | ||||
| self.nodes[1].preciousblock(hashC) | self.nodes[1].preciousblock(hashC) | ||||
| assert_equal(self.nodes[1].getbestblockhash(), hashH) | assert_equal(self.nodes[1].getbestblockhash(), hashH) | ||||
| self.log.info("Mine competing blocks I-J-K-L on Node 2") | self.log.info("Mine competing blocks I-J-K-L on Node 2") | ||||
| self.nodes[2].generatetoaddress(4, gen_address(2)) | self.nodes[2].generatetoaddress(4, gen_address(2)) | ||||
| assert_equal(self.nodes[2].getblockcount(), 6) | assert_equal(self.nodes[2].getblockcount(), 6) | ||||
| Show All 18 Lines | |||||