Subscribe to receive a notification from the validator on a variety of updates on every slot
Unstable Subscription
This subscription is unstable; the format of this subscription may change in the future and it may not always be supported.
Parameters
- None
Results
integer
- subscription id (needed to unsubscribe)
Notification Format:
The notification will be an object with the following fields:
parent: <u64>
- The parent slotslot: <u64>
- The newly updated slottimestamp: <i64>
- The Unix timestamp of the updatetype: <string>
- The update type, one of:- "firstShredReceived"
- "completed"
- "createdBank"
- "frozen"
- "dead"
- "optimisticConfirmation"
- "root"
Example
Request
{ "jsonrpc": "2.0", "id": 1, "method": "slotsUpdatesSubscribe" }
Result
{ "jsonrpc": "2.0", "result": 0, "id": 1 }
// notification
{
"jsonrpc": "2.0",
"method": "slotsUpdatesNotification",
"params": {
"result": {
"parent": 75,
"slot": 76,
"timestamp": 1625081266243,
"type": "optimisticConfirmation"
},
"subscription": 0
}
}