Server Info Methods
Use these methods to retrieve information about the current state of the rippled server.
- feeGet information about transaction cost. 
- featureGet information about protocol amendments. 
- manifestLook up the public information about a known validator. 
- server_definitionsRetrieve an SDK-compatible `definitions.json`, generated from the `rippled` instance currently running. 
- server_info (rippled)Retrieve status of the server in human-readable format. 
- server_stateRetrieve status of the server in machine-readable format. 
- versionRetrieve API version information.