chain_subscribeRuntimeVersion

Enables clients to subscribe and receive updates regarding changes to the runtime version.

Allows users to sign up to get information about changes made to the runtime version.

Example Request and Result for chain_subscribeRuntimeVersion method

In this section, we provide an illustrative example of a request made to retrieve details contents using the chain_subscribeRuntimeVersion method. Additionally, we present the resulting response containing information about getting updates regarding changes to the runtime version using WS subscription.

Parameters

Fields	Type	Description
subscription	string	Allows the client to manage the subscription

The example in this section uses a non-existing project id.

Make sure you replace it with your Vara Mainnet endpoint when issuing the API calls.

Don't have a project id? Here's a straightforward guide on how to obtain one!

Enables clients to subscribe and receive updates regarding changes to the runtime version.

POST wss://vara-mainnet.blastapi.io/<project-id>

Request Body

Name	Type	Description
subscription	string	[]

200: OK Expand for a detailed response example

{
  "jsonrpc": "2.0",
  "method": "state_runtimeVersion",
  "params": {
    "subscription": "JtpqJnVVaJmrqRrw",
    "result": {
      "specName": "vara",
      "implName": "vara",
      "authoringVersion": 1,
      "specVersion": 1110,
      "implVersion": 1,
      "apis": [
        [
          "0xcbca25e39f142387",
          2
        ],
        [
          "0xf3ff14d5ab527059",
          3
        ],
        [
          "0x17a6bc0d0062aeb3",
          1
        ],
        [
          "0x18ef58a3b67ba770",
          1
        ],
        [
          "0x29ca33476f4108aa",
          1
        ],
        [
          "0xdf6acb689907609b",
          4
        ],
        [
          "0x37e397fc7c91f5e4",
          2
        ],
        [
          "0x40fe3ad401f8959a",
          6
        ],
        [
          "0xd2bc9897eed08f15",
          3
        ],
        [
          "0xf78b278be53f454c",
          2
        ],
        [
          "0xab3c0572291feb8b",
          1
        ],
        [
          "0xed99c5acb25eedf5",
          3
        ],
        [
          "0xbc9d89904f5b923f",
          1
        ],
        [
          "0x37c8bb1350a9a2a8",
          4
        ],
        [
          "0xff8dc88037f26223",
          2
        ]
      ],
      "transactionVersion": 1,
      "stateVersion": 1
    }
  }
}

Curl Request example

wscat -c 'wss://vara-mainnet.blastapi.io/<project-id>' 
# wait for connection
messasge:
{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "chain_subscribeRuntimeVersion",
    "params": []
}