This is an example call for eth_getTransactionByBlockHashAndIndex
.
{ "jsonrpc": "2.0", "id": "1", "method": "eth_getTransactionByBlockHashAndIndex", "params": [ "", "0x0" ] }
{ "jsonrpc": "2.0", "id": "1", "error": { "code": -32602, "message": "invalid argument 0: hex string has length 0, want 64 for common.Hash" } }