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test/functional/preciousblock.py
| Show First 20 Lines • Show All 50 Lines • ▼ Show 20 Lines | class PreciousTest(BitcoinTestFramework): | ||||
| def setup_network(self): | def setup_network(self): | ||||
| self.setup_nodes() | self.setup_nodes() | ||||
| def run_test(self): | def run_test(self): | ||||
| self.log.info( | self.log.info( | ||||
| "Ensure submitblock can in principle reorg to a competing chain") | "Ensure submitblock can in principle reorg to a competing chain") | ||||
| self.nodes[0].generate(1) | self.nodes[0].generate(1) | ||||
| assert_equal(self.nodes[0].getblockcount(), 1) | assert_equal(self.nodes[0].getblockcount(), 1) | ||||
| (hashY, hashZ) = self.nodes[1].generate(2) | hashZ = self.nodes[1].generate(2)[-1] | ||||
| assert_equal(self.nodes[1].getblockcount(), 2) | assert_equal(self.nodes[1].getblockcount(), 2) | ||||
| node_sync_via_rpc(self.nodes[0:3]) | node_sync_via_rpc(self.nodes[0:3]) | ||||
| assert_equal(self.nodes[0].getbestblockhash(), hashZ) | assert_equal(self.nodes[0].getbestblockhash(), hashZ) | ||||
| self.log.info("Mine blocks A-B-C on Node 0") | self.log.info("Mine blocks A-B-C on Node 0") | ||||
| (hashA, hashB, hashC) = self.nodes[0].generate(3) | hashC = self.nodes[0].generate(3)[-1] | ||||
| assert_equal(self.nodes[0].getblockcount(), 5) | assert_equal(self.nodes[0].getblockcount(), 5) | ||||
| self.log.info("Mine competing blocks E-F-G on Node 1") | self.log.info("Mine competing blocks E-F-G on Node 1") | ||||
| (hashE, hashF, hashG) = self.nodes[1].generate(3) | hashG = self.nodes[1].generate(3)[-1] | ||||
| assert_equal(self.nodes[1].getblockcount(), 5) | assert_equal(self.nodes[1].getblockcount(), 5) | ||||
| assert(hashC != hashG) | assert(hashC != hashG) | ||||
| self.log.info("Connect nodes and check no reorg occurs") | self.log.info("Connect nodes and check no reorg occurs") | ||||
| # Submit competing blocks via RPC so any reorg should occur before we | # Submit competing blocks via RPC so any reorg should occur before we | ||||
| # proceed (no way to wait on inaction for p2p sync) | # proceed (no way to wait on inaction for p2p sync) | ||||
| node_sync_via_rpc(self.nodes[0:2]) | node_sync_via_rpc(self.nodes[0:2]) | ||||
| connect_nodes_bi(self.nodes, 0, 1) | connect_nodes_bi(self.nodes, 0, 1) | ||||
| assert_equal(self.nodes[0].getbestblockhash(), hashC) | assert_equal(self.nodes[0].getbestblockhash(), hashC) | ||||
| ▲ Show 20 Lines • Show All 52 Lines • Show Last 20 Lines | |||||