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- // Copyright 2018 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 <http://www.gnu.org/licenses/>.
- package dnsdisc
- import (
- "errors"
- "fmt"
- )
- // Entry parse errors.
- var (
- errUnknownEntry = errors.New("unknown entry type")
- errNoPubkey = errors.New("missing public key")
- errBadPubkey = errors.New("invalid public key")
- errInvalidENR = errors.New("invalid node record")
- errInvalidChild = errors.New("invalid child hash")
- errInvalidSig = errors.New("invalid base64 signature")
- errSyntax = errors.New("invalid syntax")
- )
- // Resolver/sync errors
- var (
- errNoRoot = errors.New("no valid root found")
- errNoEntry = errors.New("no valid tree entry found")
- errHashMismatch = errors.New("hash mismatch")
- errENRInLinkTree = errors.New("enr entry in link tree")
- errLinkInENRTree = errors.New("link entry in ENR tree")
- )
- type nameError struct {
- name string
- err error
- }
- func (err nameError) Error() string {
- if ee, ok := err.err.(entryError); ok {
- return fmt.Sprintf("invalid %s entry at %s: %v", ee.typ, err.name, ee.err)
- }
- return err.name + ": " + err.err.Error()
- }
- type entryError struct {
- typ string
- err error
- }
- func (err entryError) Error() string {
- return fmt.Sprintf("invalid %s entry: %v", err.typ, err.err)
- }
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