eth_getUncleCountByBlockHash
Returns the number of uncles in a block from a block matching the given block hash.
Params
(1)1. Block hash (required)
string
Match pattern:
^0x[0-9a-f]{64}$
Result
(Uncle count)string
Match pattern:
^0x([1-9a-f]+[0-9a-f]*|0)$