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test/functional/test_framework/test_framework.py
| Show All 16 Lines | |||||
| from .authproxy import JSONRPCException | from .authproxy import JSONRPCException | ||||
| from . import coverage | from . import coverage | ||||
| from .test_node import TestNode | from .test_node import TestNode | ||||
| from .mininode import NetworkThread | from .mininode import NetworkThread | ||||
| from .util import ( | from .util import ( | ||||
| assert_equal, | assert_equal, | ||||
| check_json_precision, | check_json_precision, | ||||
| connect_nodes, | |||||
| connect_nodes_bi, | connect_nodes_bi, | ||||
| disconnect_nodes, | disconnect_nodes, | ||||
| get_datadir_path, | get_datadir_path, | ||||
| initialize_datadir, | initialize_datadir, | ||||
| MAX_NODES, | MAX_NODES, | ||||
| p2p_port, | p2p_port, | ||||
| PortSeed, | PortSeed, | ||||
| rpc_port, | rpc_port, | ||||
| ▲ Show 20 Lines • Show All 227 Lines • ▼ Show 20 Lines | class BitcoinTestFramework(metaclass=BitcoinTestMetaClass): | ||||
| def setup_network(self): | def setup_network(self): | ||||
| """Override this method to customize test network topology""" | """Override this method to customize test network topology""" | ||||
| self.setup_nodes() | self.setup_nodes() | ||||
| # Connect the nodes as a "chain". This allows us | # Connect the nodes as a "chain". This allows us | ||||
| # to split the network between nodes 1 and 2 to get | # to split the network between nodes 1 and 2 to get | ||||
| # two halves that can work on competing chains. | # two halves that can work on competing chains. | ||||
| # | |||||
| # Topology looks like this: | |||||
| # node0 <-- node1 <-- node2 <-- node3 | |||||
| # | |||||
| # If all nodes are in IBD (clean chain from genesis), node0 is assumed to be the source of blocks (miner). To | |||||
| # ensure block propagation, all nodes will establish outgoing connections toward node0. | |||||
| # See fPreferredDownload in net_processing. | |||||
| # | |||||
| # If further outbound connections are needed, they can be added at the beginning of the test with e.g. | |||||
| # connect_nodes(self.nodes[1], 2) | |||||
| for i in range(self.num_nodes - 1): | for i in range(self.num_nodes - 1): | ||||
| connect_nodes_bi(self.nodes[i], self.nodes[i + 1]) | connect_nodes(self.nodes[i + 1], self.nodes[i]) | ||||
| self.sync_all() | self.sync_all() | ||||
| def setup_nodes(self): | def setup_nodes(self): | ||||
| """Override this method to customize test node setup""" | """Override this method to customize test node setup""" | ||||
| extra_args = None | extra_args = None | ||||
| if hasattr(self, "extra_args"): | if hasattr(self, "extra_args"): | ||||
| extra_args = self.extra_args | extra_args = self.extra_args | ||||
| self.add_nodes(self.num_nodes, extra_args) | self.add_nodes(self.num_nodes, extra_args) | ||||
| ▲ Show 20 Lines • Show All 338 Lines • Show Last 20 Lines | |||||