admin_nodeInfo

The nodeInfo administrative property can be queried for all the information known about the running Klaytn node at the networking granularity. These include general information about the node itself as a participant of the devp2p P2P overlay protocol, as well as specialized information added by each of the running application protocols, e.g., klay.

JSONRPC: admin_nodeInfo

Request

application/json

Body

params array

Responses

200

The node information.

application/json

Schema

Schema

error

object

code int64required

A Number that indicates the error type that occurred. This MUST be an integer.

code	message	description
-32700	Parse error	invalid JSON was received by the server. An error occurred on the server while parsing the JSON text.
-32602	Invalid params	Invalid method parameter(s).

message string

A String providing a short description of the error. The message SHOULD be limited to a concise single sentence.

data string

A Primitive or Structured value that contains additional information about the error. This may be omitted. The value of this member is defined by the Server (e.g. detailed error information, nested errors etc.).

result object

The node information.

Example (from schema)

{
  "jsonrpc": "2.0",
  "id": 0,
  "error": {
    "code": -32700,
    "message": "Parse error",
    "data": "string"
  },
  "result": {
    "id": "377ef808aff73a397d133b3bf160df586054c98c0e6a65c8fce9560e6a0632bc975419f461803d27f28ee270287113cc2359225814debc1bfb2f811061e14c5d",
    "name": "Klaytn/vvX.X.X/XXXX-XXXX/goX.X.X",
    "kni": "kni://377ef808aff73a397d133b3bf160df586054c98c0e6a65c8fce9560e6a0632bc975419f461803d27f28ee270287113cc2359225814debc1bfb2f811061e14c5d@[::]:32323?discport=0",
    "ip": "::",
    "ports": {
      "discovery": 0,
      "listener": 32323
    },
    "listenAddr": "[::]:32323",
    "protocols": {
      "istanbul": {
        "network": 1000,
        "difficulty": 1,
        "genesis": "0x06806bd8b1e086dfb7098a289da07037a3af58e793d205d20f61c88eeea9351d",
        "config": {
          "chainId": 1000,
          "istanbul": {
            "epoch": 30000,
            "policy": 0,
            "sub": 7
          },
          "isBFT": true,
          "unitPrice": 25000000000,
          "deriveShaImpl": 0
        },
        "head": "0x06806bd8b1e086dfb7098a289da07037a3af58e793d205d20f61c88eeea9351d"
      }
    }
  }
}

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