github.com/aitimate-0/go-ethereum@v1.9.7/rpc/testdata/reqresp-nomethod.js (about)

     1  // This test calls a method that doesn't exist.
     2  
     3  --> {"jsonrpc": "2.0", "id": 2, "method": "invalid_method", "params": [2, 3]}
     4  <-- {"jsonrpc":"2.0","id":2,"error":{"code":-32601,"message":"the method invalid_method does not exist/is not available"}}