// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see .
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(format string, v ...interface{}) error {
return &UncleErr{Message: fmt.Sprintf(format, v...)}
}
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
}
// BlockNonceErr indicates that a block's nonce is invalid.
type BlockNonceErr struct {
Number *big.Int
Hash common.Hash
Nonce uint64
}
func (err *BlockNonceErr) Error() string {
return fmt.Sprintf("block %d (%v) nonce is invalid (got %d)", err.Number, err.Hash, err.Nonce)
}
// IsBlockNonceErr returns true for invalid block nonce errors.
func IsBlockNonceErr(err error) bool {
_, ok := err.(*BlockNonceErr)
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 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
}
erve-10.1.2
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