| 412 | StatusInvalidJSONRequest | invalid JSON request |
| 413 | StatusNoMethodParams | no method and/or jsonrpc attribute |
| 414 | StatusJSONRPCVersion | jsonrpc version not supported |
| 415 | StatusMethodNotWhitelist | jsonrpc method is not Whitelist |
| 416 | StatusMethodParamsNotMatch | method params not match |
| 417 | StatusMethodParamsTypeError | method params type not string |
| 418 | StatusGasLimitError | gasLimit error |
| 421 | StatusEmptyFromAddress | empty from address |
| 422 | StatusIllegalChainID | illegal chainID |
| 423 | StatusSignatureVerifyFailed | signature verification failed |
| 424 | StatusGasPriceError | gas price is less than the minimum value |
| 425 | StatusSecp256r1HalfN | signature s is big than secp256r1HalfN |
| 426 | StatusTransactionHashNil | empty transaction hash |
| 429 | StatusReadBodyError | get body error |
| 430 | StatusFilterNoConfig | filter no config |
| 431 | StatusMethodNotAllowed | the method is not available |
| 432 | StatusDecodeTransactionError | decode transaction from hex string error |
| 500 | StatusInternalError | Internal Error |