772e7e8c8d
- keypair, keyring: -- consistent naming of methods -- error propagation -- no panic - keyManager: persist, import, export, initialize and (re)set keyring - no global public "singleton" keyring, instead interface via keyManager - keys test - KeyStore interface, DB and File store implementations
119 lines
2.3 KiB
Go
119 lines
2.3 KiB
Go
package ethcrypto
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import (
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"fmt"
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"github.com/ethereum/eth-go/ethutil"
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"io/ioutil"
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"strings"
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)
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type KeyRing struct {
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keys []*KeyPair
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}
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func NewKeyRing() *KeyRing {
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return &KeyRing{}
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}
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func (k *KeyRing) AddKeyPair(keyPair *KeyPair) {
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k.keys = append(k.keys, keyPair)
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}
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func (k *KeyRing) GetKeyPair(i int) *KeyPair {
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if len(k.keys) > i {
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return k.keys[i]
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}
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return nil
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}
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func (k *KeyRing) Empty() bool {
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return k.Len() == 0
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}
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func (k *KeyRing) Len() int {
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return len(k.keys)
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}
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func (k *KeyRing) Each(f func(*KeyPair)) {
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for _, keyPair := range k.keys {
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f(keyPair)
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}
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}
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func NewGeneratedKeyRing(len int) *KeyRing {
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keyRing := NewKeyRing()
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for i := 0; i < len; i++ {
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keyRing.AddKeyPair(GenerateNewKeyPair())
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}
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return keyRing
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}
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func NewKeyRingFromFile(secfile string) (*KeyRing, error) {
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var content []byte
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var err error
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content, err = ioutil.ReadFile(secfile)
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if err != nil {
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return nil, err
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}
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keyRing, err := NewKeyRingFromString(string(content))
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if err != nil {
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return nil, err
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}
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return keyRing, nil
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}
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func NewKeyRingFromString(content string) (*KeyRing, error) {
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secretStrings := strings.Split(content, "\n")
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var secrets [][]byte
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for _, secretString := range secretStrings {
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secret := secretString
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words := strings.Split(secretString, " ")
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if len(words) == 24 {
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secret = MnemonicDecode(words)
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} else if len(words) != 1 {
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return nil, fmt.Errorf("Unrecognised key format")
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}
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secrets = append(secrets, ethutil.Hex2Bytes(secret))
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}
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return NewKeyRingFromSecrets(secrets)
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}
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func NewKeyRingFromSecrets(secs [][]byte) (*KeyRing, error) {
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keyRing := NewKeyRing()
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for _, sec := range secs {
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keyPair, err := NewKeyPairFromSec(sec)
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if err != nil {
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return nil, err
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}
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keyRing.AddKeyPair(keyPair)
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}
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return keyRing, nil
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}
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func NewKeyRingFromBytes(data []byte) (*KeyRing, error) {
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var secrets [][]byte
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it := ethutil.NewValueFromBytes(data).NewIterator()
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for it.Next() {
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secret := it.Value().Bytes()
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secrets = append(secrets, secret)
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}
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keyRing, err := NewKeyRingFromSecrets(secrets)
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if err != nil {
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return nil, err
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}
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return keyRing, nil
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}
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func (k *KeyRing) RlpEncode() []byte {
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return k.RlpValue().Encode()
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}
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func (k *KeyRing) RlpValue() *ethutil.Value {
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v := ethutil.EmptyValue()
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k.Each(func(keyPair *KeyPair) {
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v.Append(keyPair.RlpValue())
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})
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return v
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}
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