Change Details

Add ChronikClientNode object to communicate with in-node instances of the chronik indexer. Initialize with methods to conduct standard API calls and unit tests for these methods.

Add ChronikClientNode object to communicate with in-node instances of the chronik indexer. Initialize with method to conduct getblockchaininfo API call. Replace NNG chronik-client in integration test with ChronikClientNode.

Add ChronikClientNode object to communicate with in-node instances of the chronik indexer. Initialize with methods to conduct standardgetblockchaininfo API calls and unit. Replace NNG chronik-client in integration tests for these methods with ChronikClientNode.