Evm_node_lib_dev.Modetype local_node_info = {evm_node_endpoint : Uri.t;evm_node_private_endpoint : Uri.t;websocket : Websocket_client.t option;}type 'f t = | Sequencer : 'a Services_backend_sig.tx_container -> 'a t| Observer : 'a Services_backend_sig.tx_container -> 'a t| Proxy : 'a Services_backend_sig.tx_container -> 'a t| Rpc : local_node_info -> 'a tAvailable modes.