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getConfirmedBlocks RPC Method

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Returns a list of confirmed blocks between two slots

Deprecated Method

This method is expected to be removed in solana-core v2.0. Please use getBlocks instead.

Parameters #

u64 required

start_slot, as u64 integer

object optional

Configuration object containing the following fields:

commitment string optional

Result #

The result field will be an array of u64 integers listing confirmed blocks between start_slot and either end_slot - if provided, or latest confirmed block, inclusive. Max range allowed is 500,000 slots.

Code sample #

curl https://api.devnet.solana.com -X POST -H "Content-Type: application/json" -d '
  {"jsonrpc": "2.0","id":1,"method":"getConfirmedBlocks","params":[5, 10]}
'

Response #

{ "jsonrpc": "2.0", "result": [5, 6, 7, 8, 9, 10], "id": 1 }