Package com.h2tcoin.takamakachain.wallet

Class WalletHelper

java.lang.Object

com.h2tcoin.takamakachain.wallet.WalletHelper

public class WalletHelper
extends Object

Author:

francesco.pasetto@takamaka.io

Constructor Summary

Constructors

Constructor	Description
WalletHelper()

Method Summary

Modifier and Type	Method	Description
static String	getRecoveryWords(String filename, String password)
static Path	importKeyFromWords(List<String> words, Path path, String filename, KeyContexts.WalletCypher cypher, String newPassword)	Spawns a refurbished wallet
static Map<String,PublicKeyBean>	listPublicKeys()
static KeyBean	readKeyFile(Path filename, String password)	wallet cypher - it returns the words list needed for wallet recovery procedure
static PublicKeyBean	readPublicKey(String publicKeyName)
static InstanceWalletKeystoreInterface	readWallet(String filename, String password)
static InstanceWalletKeystoreInterface	readWalletRecoveryGui(String filename, String password)
static boolean	verifyWordsIntegrity(List<String> words)
static Path	writeKeyFile(Path path, String filename, KeyBean key, String password)
static void	writePublicKey(String walletname, String password, int keyIndex, KeyContexts.WalletCypher cypher)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WalletHelper

public WalletHelper()

Method Detail

readWallet

public static InstanceWalletKeystoreInterface readWallet(String filename,
                                                         String password)
                                                  throws InvalidCypherException,
                                                         FileNotFoundException,
                                                         NoSuchProviderException,
                                                         NoSuchPaddingException,
                                                         InvalidKeyException,
                                                         InvalidAlgorithmParameterException,
                                                         UnlockWalletException

Throws:

InvalidCypherException

FileNotFoundException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

UnlockWalletException

readWalletRecoveryGui

public static InstanceWalletKeystoreInterface readWalletRecoveryGui(String filename,
                                                                    String password)
                                                             throws InvalidCypherException,
                                                                    FileNotFoundException,
                                                                    NoSuchProviderException,
                                                                    NoSuchPaddingException,
                                                                    InvalidKeyException,
                                                                    InvalidAlgorithmParameterException,
                                                                    UnlockWalletException

Throws:

InvalidCypherException

FileNotFoundException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

UnlockWalletException

getRecoveryWords

public static String getRecoveryWords(String filename,
                                      String password)
                               throws InvalidCypherException,
                                      FileNotFoundException,
                                      NoSuchProviderException,
                                      NoSuchPaddingException,
                                      InvalidKeyException,
                                      InvalidAlgorithmParameterException,
                                      UnlockWalletException

Throws:

InvalidCypherException

FileNotFoundException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

UnlockWalletException

writeKeyFile

public static Path writeKeyFile(Path path,
                                String filename,
                                KeyBean key,
                                String password)
                         throws NoSuchAlgorithmException,
                                NoSuchProviderException,
                                NoSuchPaddingException,
                                InvalidKeyException,
                                IllegalBlockSizeException,
                                BadPaddingException,
                                IOException

Throws:

NoSuchAlgorithmException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

IllegalBlockSizeException

BadPaddingException

IOException

readKeyFile

public static KeyBean readKeyFile(Path filename,
                                  String password)
                           throws FileNotFoundException,
                                  NoSuchProviderException,
                                  NoSuchPaddingException,
                                  InvalidKeyException,
                                  InvalidAlgorithmParameterException,
                                  UnlockWalletException

wallet cypher - it returns the words list needed for wallet recovery procedure

Parameters:

filename -

password -

Returns:

Throws:

FileNotFoundException

NoSuchProviderException

NoSuchPaddingException

InvalidKeyException

InvalidAlgorithmParameterException

UnlockWalletException

importKeyFromWords

public static Path importKeyFromWords(List<String> words,
                                      Path path,
                                      String filename,
                                      KeyContexts.WalletCypher cypher,
                                      String newPassword)
                               throws NoSuchAlgorithmException,
                                      InvalidKeyException,
                                      NoSuchPaddingException

Spawns a refurbished wallet

Parameters:

words - an ordered list of words used for wallet restore procedure

path - is the path on device where the wallet will be restored and saved

filename - the wallet internal name

cypher - the wallet cypher

newPassword - the new chosen password

Returns:

Path where the wallet has been created

Throws:

NoSuchAlgorithmException

InvalidKeyException

NoSuchPaddingException

verifyWordsIntegrity

public static boolean verifyWordsIntegrity(List<String> words)

writePublicKey

public static void writePublicKey(String walletname,
                                  String password,
                                  int keyIndex,
                                  KeyContexts.WalletCypher cypher)
                           throws InvalidCypherException,
                                  InvalidWalletIndexException,
                                  PublicKeySerializzationException,
                                  UnlockWalletException,
                                  IOException

Throws:

InvalidCypherException

InvalidWalletIndexException

PublicKeySerializzationException

UnlockWalletException

IOException

readPublicKey

public static PublicKeyBean readPublicKey(String publicKeyName)

listPublicKeys

public static Map<String,PublicKeyBean> listPublicKeys()