mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-08 21:48:05 -05:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright © 2020 Weald Technology Trading
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package util
|
|
|
|
import (
|
|
"errors"
|
|
|
|
"github.com/google/uuid"
|
|
types "github.com/wealdtech/go-eth2-types/v2"
|
|
)
|
|
|
|
// ScratchAccount is an account that exists temporarily.
|
|
type ScratchAccount struct {
|
|
id uuid.UUID
|
|
privKey types.PrivateKey
|
|
pubKey types.PublicKey
|
|
unlocked bool
|
|
}
|
|
|
|
// NewScratchAccount creates a new local account.
|
|
func NewScratchAccount(privKey []byte, pubKey []byte) (*ScratchAccount, error) {
|
|
if len(privKey) > 0 {
|
|
return newScratchAccountFromPrivKey(privKey)
|
|
}
|
|
return newScratchAccountFromPubKey(pubKey)
|
|
}
|
|
|
|
func newScratchAccountFromPrivKey(privKey []byte) (*ScratchAccount, error) {
|
|
key, err := types.BLSPrivateKeyFromBytes(privKey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &ScratchAccount{
|
|
id: uuid.New(),
|
|
privKey: key,
|
|
pubKey: key.PublicKey(),
|
|
}, nil
|
|
}
|
|
|
|
func newScratchAccountFromPubKey(pubKey []byte) (*ScratchAccount, error) {
|
|
key, err := types.BLSPublicKeyFromBytes(pubKey)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &ScratchAccount{
|
|
id: uuid.New(),
|
|
pubKey: key,
|
|
}, nil
|
|
}
|
|
|
|
func (a *ScratchAccount) ID() uuid.UUID {
|
|
return a.id
|
|
}
|
|
|
|
func (a *ScratchAccount) Name() string {
|
|
return "scratch"
|
|
}
|
|
|
|
func (a *ScratchAccount) PublicKey() types.PublicKey {
|
|
return a.pubKey
|
|
}
|
|
|
|
func (a *ScratchAccount) Path() string {
|
|
return ""
|
|
}
|
|
|
|
func (a *ScratchAccount) Lock() {
|
|
a.unlocked = false
|
|
}
|
|
|
|
func (a *ScratchAccount) Unlock([]byte) error {
|
|
a.unlocked = true
|
|
return nil
|
|
}
|
|
|
|
func (a *ScratchAccount) IsUnlocked() bool {
|
|
return a.unlocked
|
|
}
|
|
|
|
func (a *ScratchAccount) Sign(data []byte) (types.Signature, error) {
|
|
if !a.IsUnlocked() {
|
|
return nil, errors.New("locked")
|
|
}
|
|
if a.privKey == nil {
|
|
return nil, errors.New("no private key")
|
|
}
|
|
return a.privKey.Sign(data), nil
|
|
}
|