github.com/lmittmann/w3@v0.20.0/module/web3/testdata/client_version__err.golden (about)

     1  > {"jsonrpc":"2.0","id":1,"method":"web3_clientVersion"}
     2  < {"jsonrpc":"2.0","id":1,"error":{"code":-32601,"message":"the method web3_clientVersion does not exist/is not available"}}