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key_outchain.go
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key_outchain.go
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// 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 <http://www.gnu.org/licenses/>.
package keystore
import (
"fmt"
"io"
"time"
"github.com/palletone/go-palletone/common"
"github.com/palletone/go-palletone/common/crypto"
"github.com/palletone/go-palletone/core/accounts"
"github.com/pborman/uuid"
)
func newKeyOutchainFromECDSA(privateKeyECDSA []byte) *Key {
id := uuid.NewRandom()
pubKey, _ := crypto.MyCryptoLib.PrivateKeyToPubKey(privateKeyECDSA)
key := &Key{
Id: id,
Address: crypto.PubkeyBytesToAddressOutchain(pubKey),
PrivateKey: privateKeyECDSA,
KeyType: KeyType_Outchain_KEY,
}
return key
}
func newKeyOutchain(rand io.Reader) (*Key, error) {
privateKeyECDSA, err := crypto.MyCryptoLib.KeyGen()
if err != nil {
return nil, err
}
return newKeyOutchainFromECDSA(privateKeyECDSA), nil
}
func storeNewKeyOutchain(ks keyStore, rand io.Reader, auth string) (*Key, accounts.Account, error) {
key, err := newKeyOutchain(rand)
if err != nil {
return nil, accounts.Account{}, err
}
a := accounts.Account{Address: key.Address, URL: accounts.URL{Scheme: KeyStoreScheme,
Path: ks.JoinPath(keyFileNameOutchain(key.Address))}}
if err := ks.StoreKey(a.URL.Path, key, auth); err != nil {
ZeroKey(key.PrivateKey)
return nil, a, err
}
return key, a, err
}
// keyFileName implements the naming convention for keyfiles:
// UTC--<created_at UTC ISO8601>-<address hex>
func keyFileNameOutchain(keyAddr common.Address) string {
ts := time.Now().UTC()
return fmt.Sprintf("UTC--%s--%s", toISO8601(ts), keyAddr.Str())
}