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|
package core
import (
"errors"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
)
var (
BlockNumberErr = errors.New("block number invalid")
BlockFutureErr = errors.New("block time is in the future")
BlockEqualTSErr = errors.New("block time stamp equal to previous")
)
// 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 common.Hash) 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("Transaction w/ invalid nonce. tx=%d state=%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 common.Hash
}
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
}
type ValueTransferError struct {
message string
}
func ValueTransferErr(str string, v ...interface{}) *ValueTransferError {
return &ValueTransferError{fmt.Sprintf(str, v...)}
}
func (self *ValueTransferError) Error() string {
return self.message
}
func IsValueTransferErr(e error) bool {
_, ok := e.(*ValueTransferError)
return ok
}
|
