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test/functional/test_framework/test_node.py
| Show First 20 Lines • Show All 297 Lines • ▼ Show 20 Lines | def wait_for_rpc_connection(self): | ||||
| self.host, | self.host, | ||||
| self.rpc_port), | self.rpc_port), | ||||
| self.index, | self.index, | ||||
| timeout=self.rpc_timeout, | timeout=self.rpc_timeout, | ||||
| coveragedir=self.coverage_dir) | coveragedir=self.coverage_dir) | ||||
| rpc.getblockcount() | rpc.getblockcount() | ||||
| # If the call to getblockcount() succeeds then the RPC | # If the call to getblockcount() succeeds then the RPC | ||||
| # connection is up | # connection is up | ||||
| wait_until(lambda: rpc.getmempoolinfo()['loaded']) | |||||
| # Wait for the node to finish reindex, block import, and | |||||
| # loading the mempool. Usually importing happens fast or | |||||
| # even "immediate" when the node is started. However, there | |||||
| # is no guarantee and sometimes ThreadImport might finish | |||||
| # later. This is going to cause intermittent test failures, | |||||
| # because generally the tests assume the node is fully | |||||
| # ready after being started. | |||||
| # | |||||
| # For example, the node will reject block messages from p2p | |||||
| # when it is still importing with the error "Unexpected | |||||
| # block message received" | |||||
| # | |||||
| # The wait is done here to make tests as robust as possible | |||||
| # and prevent racy tests and intermittent failures as much | |||||
| # as possible. Some tests might not need this, but the | |||||
| # overhead is trivial, and the added gurantees are worth | |||||
| # the minimal performance cost. | |||||
| self.log.debug("RPC successfully started") | self.log.debug("RPC successfully started") | ||||
| if self.use_cli: | if self.use_cli: | ||||
| return | return | ||||
| self.rpc = rpc | self.rpc = rpc | ||||
| self.rpc_connected = True | self.rpc_connected = True | ||||
| self.url = self.rpc.url | self.url = self.rpc.url | ||||
| return | return | ||||
| except JSONRPCException as e: # Initialization phase | except JSONRPCException as e: # Initialization phase | ||||
| ▲ Show 20 Lines • Show All 417 Lines • Show Last 20 Lines | |||||