plugeth/eth/error.go
2014-12-14 20:27:05 +00:00

74 lines
1.6 KiB
Go

package eth
import (
"fmt"
// "github.com/ethereum/go-ethereum/logger"
)
const (
ErrMsgTooLarge = iota
ErrDecode
ErrInvalidMsgCode
ErrProtocolVersionMismatch
ErrNetworkIdMismatch
ErrGenesisBlockMismatch
ErrNoStatusMsg
ErrExtraStatusMsg
ErrInvalidBlock
)
var errorToString = map[int]string{
ErrMsgTooLarge: "Message too long",
ErrDecode: "Invalid message",
ErrInvalidMsgCode: "Invalid message code",
ErrProtocolVersionMismatch: "Protocol version mismatch",
ErrNetworkIdMismatch: "NetworkId mismatch",
ErrGenesisBlockMismatch: "Genesis block mismatch",
ErrNoStatusMsg: "No status message",
ErrExtraStatusMsg: "Extra status message",
ErrInvalidBlock: "Invalid block",
}
type protocolError struct {
Code int
fatal bool
message string
format string
params []interface{}
// size int
}
func newProtocolError(code int, format string, params ...interface{}) *protocolError {
return &protocolError{Code: code, format: format, params: params}
}
func ProtocolError(code int, format string, params ...interface{}) (err *protocolError) {
err = newProtocolError(code, format, params...)
// report(err)
if err.Fatal() {
logger.Errorln(err)
} else {
logger.Debugln(err)
}
return
}
func (self protocolError) Error() (message string) {
message = self.message
if message == "" {
message, ok := errorToString[self.Code]
if !ok {
panic("invalid error code")
}
if self.format != "" {
message += ": " + fmt.Sprintf(self.format, self.params...)
}
self.message = message
}
return
}
func (self *protocolError) Fatal() bool {
return self.fatal
}