slotsUpdatesSubscribe

All the specifications for slotsUpdatesSubscribe Websocket Method on Solana

Subscribe to receive a notification from the validator on a variety of updates on every slot

This subscription is unstable. The format of this subscription may change in the future, and may not always be supported.

Parameters required for this RPC call

• No parameters required.

Websocket

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "slotsUpdatesSubscribe"
}

Response

{
  "jsonrpc": "2.0",
  "result": 0,
  "id": 1
}

Notification Format:

The notification will be an object with the following fields:

• err: <string|undefined> - The error message. Only present if the update is of type "dead".

• parent: <u64|undefined> - The parent slot. Only present if the update is of type "createdBank".

• slot: <u64> - The newly updated slot

• stats: <object|undefined> - The error message. Only present if the update is of type "frozen". An object with the following fields:

  • maxTransactionsPerEntry: <u64>,

  • numFailedTransactions: <u64>,

  • numSuccessfulTransactions: <u64>,

  • numTransactionEntries: <u64>,

• timestamp: <i64> - The Unix timestamp of the update in milliseconds

• type: <string> - The update type, one of:

  • "firstShredReceived"

  • "completed"

  • "createdBank"

  • "frozen"

  • "dead"

  • "optimisticConfirmation"

  • "root"

Example

{
  "jsonrpc": "2.0",
  "method": "slotsUpdatesNotification",
  "params": {
    "result": {
      "parent": 75,
      "slot": 76,
      "timestamp": 1625081266243,
      "type": "optimisticConfirmation"
    },
    "subscription": 0
  }
}