Method trace_block undefined ()
connect with WS protocol

Parameters

quantity|tag - string

Integer representing a block number or one of the string tags latest, earliest, or pending, as described in Block Parameter.

Request

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

Response

{
    "error": {
        "code": -32601,
        "message": "the method trace_block does not exist/is not available"
    },
    "id": "getblock.io",
    "jsonrpc": "2.0"
}