getBlockCommitment RPC Method

Returns commitment for particular block

Parameters

u64 required

block number, identified by Slot

Result

The result field will be a JSON object containing:

commitment - commitment, comprising either:
- <null> - Unknown block
- <array> - commitment, array of u64 integers logging the amount of cluster stake in lamports that has voted on the block at each depth from 0 to MAX_LOCKOUT_HISTORY + 1
totalStake - total active stake, in lamports, of the current epoch

Code sample

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

Response

{
  "jsonrpc": "2.0",
  "result": {
    "commitment": [
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 10, 32
    ],
    "totalStake": 42
  },
  "id": 1
}