eth_getUncleCountByBlockNumber

Returns the number of uncles in a block from a block matching the given block number.

Parameters

block parameter: [Required] A hexadecimal block number, or one of the string tags latest, earliest, pending, safe, or finalized. See the default block parameter.

Returns

block uncle count: A hexadecimal equivalent of the integer representing the number of uncles in the block.

Example

Replace YOUR-API-KEY with an API key from your Infura dashboard.

Request

cURL

curl https://optimism-mainnet.infura.io/v3/YOUR-API-KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_getUncleCountByBlockNumber", "params": ["0x5bad55"], "id": 1}'

WSS

wscat -c wss://optimism-mainnet.infura.io/ws/v3/YOUR-API-KEY -x '{"jsonrpc": "2.0", "method": "eth_getUncleCountByBlockNumber", "params": ["0x5bad55"], "id": 1}'

Response

JSON

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1"
}