go-pulse/core/error.go
Gustav Simonsson 871dfd399b Add initial implementation of block tests
* Add blocktest cmd and support for block tests files in
  tests/BlockTests , the launched node does not connect to
  network, resets state with a genesis block from the test file
  and starts the RPC API
2015-03-04 20:27:09 +01:00

149 lines
2.6 KiB
Go

package core
import (
"errors"
"fmt"
"math/big"
)
var (
BlockNumberErr = errors.New("block number invalid")
BlockFutureErr = errors.New("block time is in the future")
)
// Parent error. In case a parent is unknown this error will be thrown
// by the block manager
type ParentErr struct {
Message string
}
func (err *ParentErr) Error() string {
return err.Message
}
func ParentError(hash []byte) error {
return &ParentErr{Message: fmt.Sprintf("Block's parent unknown %x", hash)}
}
func IsParentErr(err error) bool {
_, ok := err.(*ParentErr)
return ok
}
type UncleErr struct {
Message string
}
func (err *UncleErr) Error() string {
return err.Message
}
func UncleError(str string) error {
return &UncleErr{Message: str}
}
func IsUncleErr(err error) bool {
_, ok := err.(*UncleErr)
return ok
}
// Block validation error. If any validation fails, this error will be thrown
type ValidationErr struct {
Message string
}
func (err *ValidationErr) Error() string {
return err.Message
}
func ValidationError(format string, v ...interface{}) *ValidationErr {
return &ValidationErr{Message: fmt.Sprintf(format, v...)}
}
func IsValidationErr(err error) bool {
_, ok := err.(*ValidationErr)
return ok
}
type NonceErr struct {
Message string
Is, Exp uint64
}
func (err *NonceErr) Error() string {
return err.Message
}
func NonceError(is, exp uint64) *NonceErr {
return &NonceErr{Message: fmt.Sprintf("Nonce err. Is %d, expected %d", is, exp), Is: is, Exp: exp}
}
func IsNonceErr(err error) bool {
_, ok := err.(*NonceErr)
return ok
}
type InvalidTxErr struct {
Message string
}
func (err *InvalidTxErr) Error() string {
return err.Message
}
func InvalidTxError(err error) *InvalidTxErr {
return &InvalidTxErr{fmt.Sprintf("%v", err)}
}
func IsInvalidTxErr(err error) bool {
_, ok := err.(*InvalidTxErr)
return ok
}
type OutOfGasErr struct {
Message string
}
func OutOfGasError() *OutOfGasErr {
return &OutOfGasErr{Message: "Out of gas"}
}
func (self *OutOfGasErr) Error() string {
return self.Message
}
func IsOutOfGasErr(err error) bool {
_, ok := err.(*OutOfGasErr)
return ok
}
type TDError struct {
a, b *big.Int
}
func (self *TDError) Error() string {
return fmt.Sprintf("incoming chain has a lower or equal TD (%v <= %v)", self.a, self.b)
}
func IsTDError(e error) bool {
_, ok := e.(*TDError)
return ok
}
type KnownBlockError struct {
number *big.Int
hash []byte
}
func (self *KnownBlockError) Error() string {
return fmt.Sprintf("block %v already known (%x)", self.number, self.hash[0:4])
}
func IsKnownBlockErr(e error) bool {
_, ok := e.(*KnownBlockError)
return ok
}