account update: migrate or change password

* account.Update
* KeyStore.Cleanup
* fix dir rm for old format deleteKey

2 files changed, 60 insertions, 18 deletions

diff --git a/crypto/key_store_passphrase.go b/crypto/key_store_passphrase.go
index d26e3407f..47909bc76 100644
--- a/crypto/key_store_passphrase.go
+++ b/crypto/key_store_passphrase.go
@@ -72,16 +72,19 @@ func (ks keyStorePassphrase) GenerateNewKey(rand io.Reader, auth string) (key *K
 }
 
 func (ks keyStorePassphrase) GetKey(keyAddr common.Address, auth string) (key *Key, err error) {
-	keyBytes, keyId, err := decryptKeyFromFile(ks, keyAddr, auth)
-	if err != nil {
-		return nil, err
-	}
-	key = &Key{
-		Id:         uuid.UUID(keyId),
-		Address:    keyAddr,
-		PrivateKey: ToECDSA(keyBytes),
+	keyBytes, keyId, err := decryptKeyFromFile(ks.keysDirPath, keyAddr, auth)
+	if err == nil {
+		key = &Key{
+			Id:         uuid.UUID(keyId),
+			Address:    keyAddr,
+			PrivateKey: ToECDSA(keyBytes),
+		}
 	}
-	return key, err
+	return
+}
+
+func (ks keyStorePassphrase) Cleanup(keyAddr common.Address) (err error) {
+	return cleanup(ks.keysDirPath, keyAddr)
 }
 
 func (ks keyStorePassphrase) GetKeyAddresses() (addresses []common.Address, err error) {
@@ -142,7 +145,7 @@ func (ks keyStorePassphrase) StoreKey(key *Key, auth string) (err error) {
 
 func (ks keyStorePassphrase) DeleteKey(keyAddr common.Address, auth string) (err error) {
 	// only delete if correct passphrase is given
-	_, _, err = decryptKeyFromFile(ks, keyAddr, auth)
+	_, _, err = decryptKeyFromFile(ks.keysDirPath, keyAddr, auth)
 	if err != nil {
 		return err
 	}
@@ -150,25 +153,25 @@ func (ks keyStorePassphrase) DeleteKey(keyAddr common.Address, auth string) (err
 	return deleteKey(ks.keysDirPath, keyAddr)
 }
 
-func decryptKeyFromFile(ks keyStorePassphrase, keyAddr common.Address, auth string) (keyBytes []byte, keyId []byte, err error) {
+func decryptKeyFromFile(keysDirPath string, keyAddr common.Address, auth string) (keyBytes []byte, keyId []byte, err error) {
+	fmt.Printf("%v\n", keyAddr.Hex())
 	m := make(map[string]interface{})
-	err = getKey(ks.keysDirPath, keyAddr, &m)
+	err = getKey(keysDirPath, keyAddr, &m)
 	if err != nil {
-		fmt.Printf("get key error: %v\n", err)
 		return
 	}
 
 	v := reflect.ValueOf(m["version"])
 	if v.Kind() == reflect.String && v.String() == "1" {
 		k := new(encryptedKeyJSONV1)
-		getKey(ks.keysDirPath, keyAddr, &k)
+		err = getKey(keysDirPath, keyAddr, &k)
 		if err != nil {
 			return
 		}
 		return decryptKeyV1(k, auth)
 	} else {
 		k := new(encryptedKeyJSONV3)
-		getKey(ks.keysDirPath, keyAddr, &k)
+		err = getKey(keysDirPath, keyAddr, &k)
 		if err != nil {
 			return
 		}
diff --git a/crypto/key_store_plain.go b/crypto/key_store_plain.go
index d785fdf68..c13c5e7a4 100644
--- a/crypto/key_store_plain.go
+++ b/crypto/key_store_plain.go
@@ -43,6 +43,7 @@ type KeyStore interface {
 	GetKeyAddresses() ([]common.Address, error)  // get all addresses
 	StoreKey(*Key, string) error                 // store key optionally using auth string
 	DeleteKey(common.Address, string) error      // delete key by addr and auth string
+	Cleanup(keyAddr common.Address) (err error)
 }
 
 type keyStorePlain struct {
@@ -86,6 +87,10 @@ func (ks keyStorePlain) GetKeyAddresses() (addresses []common.Address, err error
 	return getKeyAddresses(ks.keysDirPath)
 }
 
+func (ks keyStorePlain) Cleanup(keyAddr common.Address) (err error) {
+	return cleanup(ks.keysDirPath, keyAddr)
+}
+
 func (ks keyStorePlain) StoreKey(key *Key, auth string) (err error) {
 	keyJSON, err := json.Marshal(key)
 	if err != nil {
@@ -100,10 +105,14 @@ func (ks keyStorePlain) DeleteKey(keyAddr common.Address, auth string) (err erro
 }
 
 func deleteKey(keysDirPath string, keyAddr common.Address) (err error) {
-	var keyFilePath string
-	keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr)
+	var path string
+	path, err = getKeyFilePath(keysDirPath, keyAddr)
 	if err == nil {
-		err = os.Remove(keyFilePath)
+		addrHex := hex.EncodeToString(keyAddr[:])
+		if path == filepath.Join(keysDirPath, addrHex, addrHex) {
+			path = filepath.Join(keysDirPath, addrHex)
+		}
+		err = os.RemoveAll(path)
 	}
 	return
 }
@@ -122,6 +131,36 @@ func getKeyFilePath(keysDirPath string, keyAddr common.Address) (keyFilePath str
 	return
 }
 
+func cleanup(keysDirPath string, keyAddr common.Address) (err error) {
+	fileInfos, err := ioutil.ReadDir(keysDirPath)
+	if err != nil {
+		return
+	}
+	var paths []string
+	account := hex.EncodeToString(keyAddr[:])
+	for _, fileInfo := range fileInfos {
+		path := filepath.Join(keysDirPath, fileInfo.Name())
+		if len(path) >= 40 {
+			addr := path[len(path)-40 : len(path)]
+			if addr == account {
+				if path == filepath.Join(keysDirPath, addr, addr) {
+					path = filepath.Join(keysDirPath, addr)
+				}
+				paths = append(paths, path)
+			}
+		}
+	}
+	if len(paths) > 1 {
+		for i := 0; err == nil && i < len(paths)-1; i++ {
+			err = os.RemoveAll(paths[i])
+			if err != nil {
+				break
+			}
+		}
+	}
+	return
+}
+
 func getKeyFile(keysDirPath string, keyAddr common.Address) (fileContent []byte, err error) {
 	var keyFilePath string
 	keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr)