Return the subset of items that aren't excluded, but if more than one item matches an exclude entry, return all those items.

NewDarksideStreamer constructs a gRPC context for darksidewalletd.

NewLwdStreamer constructs a gRPC context.

NewZRPCFromConf reads the zcashd configuration file.

NewZRPCFromFlags gets zcashd rpc connection information from provided flags.

DarksideStreamer holds the gRPC state for darksidewalletd.