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@ -31,18 +31,15 @@ import ( |
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"io/ioutil" |
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"os" |
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"path/filepath" |
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"sort" |
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"syscall" |
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"time" |
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"github.com/ethereum/go-ethereum/common" |
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) |
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// TODO: rename to KeyStore when replacing existing KeyStore
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type KeyStore2 interface { |
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type KeyStore interface { |
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// create new key using io.Reader entropy source and optionally using auth string
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GenerateNewKey(io.Reader, string) (*Key, error) |
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GetKey(common.Address, string) (*Key, error) // key from addr and auth string
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GetKey(common.Address, string) (*Key, error) // get key from addr and auth string
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GetKeyAddresses() ([]common.Address, error) // get all addresses
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StoreKey(*Key, string) error // store key optionally using auth string
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DeleteKey(common.Address, string) error // delete key by addr and auth string
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@ -52,7 +49,7 @@ type keyStorePlain struct { |
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keysDirPath string |
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} |
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func NewKeyStorePlain(path string) KeyStore2 { |
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func NewKeyStorePlain(path string) KeyStore { |
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return &keyStorePlain{path} |
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} |
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@ -60,7 +57,7 @@ func (ks keyStorePlain) GenerateNewKey(rand io.Reader, auth string) (key *Key, e |
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return GenerateNewKeyDefault(ks, rand, auth) |
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} |
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func GenerateNewKeyDefault(ks KeyStore2, rand io.Reader, auth string) (key *Key, err error) { |
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func GenerateNewKeyDefault(ks KeyStore, rand io.Reader, auth string) (key *Key, err error) { |
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defer func() { |
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if r := recover(); r != nil { |
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err = fmt.Errorf("GenerateNewKey error: %v", r) |
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@ -72,81 +69,111 @@ func GenerateNewKeyDefault(ks KeyStore2, rand io.Reader, auth string) (key *Key, |
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} |
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func (ks keyStorePlain) GetKey(keyAddr common.Address, auth string) (key *Key, err error) { |
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fileContent, err := GetKeyFile(ks.keysDirPath, keyAddr) |
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key = new(Key) |
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err = getKey(ks.keysDirPath, keyAddr, key) |
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return |
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} |
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func getKey(keysDirPath string, keyAddr common.Address, content interface{}) (err error) { |
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fileContent, err := getKeyFile(keysDirPath, keyAddr) |
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if err != nil { |
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return nil, err |
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return |
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} |
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key = new(Key) |
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err = json.Unmarshal(fileContent, key) |
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return key, err |
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return json.Unmarshal(fileContent, content) |
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} |
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func (ks keyStorePlain) GetKeyAddresses() (addresses []common.Address, err error) { |
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return GetKeyAddresses(ks.keysDirPath) |
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return getKeyAddresses(ks.keysDirPath) |
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} |
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func (ks keyStorePlain) StoreKey(key *Key, auth string) (err error) { |
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keyJSON, err := json.Marshal(key) |
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if err != nil { |
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return err |
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return |
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} |
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err = WriteKeyFile(key.Address, ks.keysDirPath, keyJSON) |
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return err |
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err = writeKeyFile(key.Address, ks.keysDirPath, keyJSON) |
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return |
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} |
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func (ks keyStorePlain) DeleteKey(keyAddr common.Address, auth string) (err error) { |
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keyDirPath := filepath.Join(ks.keysDirPath, keyAddr.Hex()) |
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err = os.RemoveAll(keyDirPath) |
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return err |
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return deleteKey(ks.keysDirPath, keyAddr) |
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} |
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func deleteKey(keysDirPath string, keyAddr common.Address) (err error) { |
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var keyFilePath string |
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keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr) |
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if err == nil { |
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err = os.Remove(keyFilePath) |
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} |
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return |
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} |
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func getKeyFilePath(keysDirPath string, keyAddr common.Address) (keyFilePath string, err error) { |
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addrHex := hex.EncodeToString(keyAddr[:]) |
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matches, err := filepath.Glob(filepath.Join(keysDirPath, fmt.Sprintf("*--%s", addrHex))) |
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if len(matches) > 0 { |
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if err == nil { |
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keyFilePath = matches[len(matches)-1] |
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} |
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return |
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} |
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keyFilePath = filepath.Join(keysDirPath, addrHex, addrHex) |
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_, err = os.Stat(keyFilePath) |
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return |
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} |
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func GetKeyFile(keysDirPath string, keyAddr common.Address) (fileContent []byte, err error) { |
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fileName := hex.EncodeToString(keyAddr[:]) |
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return ioutil.ReadFile(filepath.Join(keysDirPath, fileName, fileName)) |
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func getKeyFile(keysDirPath string, keyAddr common.Address) (fileContent []byte, err error) { |
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var keyFilePath string |
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keyFilePath, err = getKeyFilePath(keysDirPath, keyAddr) |
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if err == nil { |
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fileContent, err = ioutil.ReadFile(keyFilePath) |
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} |
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return |
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} |
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func WriteKeyFile(addr common.Address, keysDirPath string, content []byte) (err error) { |
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addrHex := hex.EncodeToString(addr[:]) |
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keyDirPath := filepath.Join(keysDirPath, addrHex) |
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keyFilePath := filepath.Join(keyDirPath, addrHex) |
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err = os.MkdirAll(keyDirPath, 0700) // read, write and dir search for user
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func writeKeyFile(addr common.Address, keysDirPath string, content []byte) (err error) { |
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filename := keyFileName(addr) |
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// read, write and dir search for user
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err = os.MkdirAll(keysDirPath, 0700) |
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if err != nil { |
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return err |
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} |
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return ioutil.WriteFile(keyFilePath, content, 0600) // read, write for user
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// read, write for user
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return ioutil.WriteFile(filepath.Join(keysDirPath, filename), content, 0600) |
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} |
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func GetKeyAddresses(keysDirPath string) (addresses []common.Address, err error) { |
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// keyFilePath implements the naming convention for keyfiles:
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// UTC--<created_at UTC ISO8601>-<address hex>
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func keyFileName(keyAddr common.Address) string { |
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ts := time.Now().UTC() |
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return fmt.Sprintf("UTC--%s--%s", toISO8601(ts), hex.EncodeToString(keyAddr[:])) |
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} |
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func toISO8601(t time.Time) string { |
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var tz string |
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name, offset := t.Zone() |
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if name == "UTC" { |
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tz = "Z" |
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} else { |
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tz = fmt.Sprintf("%03d00", offset/3600) |
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} |
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return fmt.Sprintf("%04d-%02d-%02dT%02d:%02d:%02d.%09d%s", t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), tz) |
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} |
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func getKeyAddresses(keysDirPath string) (addresses []common.Address, err error) { |
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fileInfos, err := ioutil.ReadDir(keysDirPath) |
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if err != nil { |
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return nil, err |
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} |
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var kfis keyFileInfos |
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for _, fileInfo := range fileInfos { |
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stat := fileInfo.Sys().(*syscall.Stat_t) |
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ctime := time.Unix(int64(stat.Ctimespec.Sec), int64(stat.Ctimespec.Nsec)) |
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kfis = append(kfis, keyFileInfo{fileInfo.Name(), ctime}) |
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} |
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sort.Sort(kfis) |
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for _, kfi := range kfis { |
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address, err := hex.DecodeString(kfi.name) |
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if err != nil { |
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continue |
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filename := fileInfo.Name() |
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if len(filename) >= 40 { |
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addr := filename[len(filename)-40 : len(filename)] |
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address, err := hex.DecodeString(addr) |
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if err == nil { |
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addresses = append(addresses, common.BytesToAddress(address)) |
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} |
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} |
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addresses = append(addresses, common.BytesToAddress(address)) |
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} |
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return addresses, err |
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} |
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type keyFileInfo struct { |
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name string |
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ctime time.Time |
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} |
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type keyFileInfos []keyFileInfo |
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func (a keyFileInfos) Len() int { return len(a) } |
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func (a keyFileInfos) Swap(i, j int) { a[i], a[j] = a[j], a[i] } |
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func (a keyFileInfos) Less(i, j int) bool { |
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return a[i].ctime.Before(a[j].ctime) |
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} |
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