Method eth_getUncleByBlockHashAndIndex undefined ()
connect with WS protocol

Parameters

DATA - string

Hash of a block.

QUANTITY - string

the uncle’s index position.

Request

wscat -c wss://kcc.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_getUncleByBlockHashAndIndex",
"params": ["0x56436a935370b8decda78cf4a60e0668a882764af1cdec3a6d6967f944f4dace", "0x0"],
"id": "getblock.io"}

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": null
}