org.web3j.crypto

类 WalletUtils

java.lang.Object

org.web3j.crypto.WalletUtils

public class WalletUtils
extends java.lang.Object

Utility functions for working with Wallet files.

构造器概要

构造器

构造器和说明
WalletUtils()

方法概要

限定符和类型	方法和说明
static Bip39Wallet	generateBip39Wallet(java.lang.String password, java.io.File destinationDirectory) Generates a BIP-39 compatible Ethereum wallet.
static java.lang.String	generateFullNewWalletFile(java.lang.String password, java.io.File destinationDirectory)
static java.lang.String	generateLightNewWalletFile(java.lang.String password, java.io.File destinationDirectory)
static java.lang.String	generateNewWalletFile(java.lang.String password, java.io.File destinationDirectory)
static java.lang.String	generateNewWalletFile(java.lang.String password, java.io.File destinationDirectory, boolean useFullScrypt)
static java.lang.String	generateWalletFile(java.lang.String password, ECKeyPair ecKeyPair, java.io.File destinationDirectory, boolean useFullScrypt)
static java.lang.String	getDefaultKeyDirectory()
static java.lang.String	getMainnetKeyDirectory()
static java.lang.String	getRinkebyKeyDirectory() Get keystore destination directory for a Rinkeby network.
static java.lang.String	getTestnetKeyDirectory()
static boolean	isValidAddress(java.lang.String input)
static boolean	isValidPrivateKey(java.lang.String privateKey)
static Credentials	loadBip39Credentials(java.lang.String password, java.lang.String mnemonic)
static Credentials	loadCredentials(java.lang.String password, java.io.File source)
static Credentials	loadCredentials(java.lang.String password, java.lang.String source)

从类继承的方法 java.lang.Object

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

构造器详细资料

WalletUtils

public WalletUtils()

方法详细资料

generateFullNewWalletFile

public static java.lang.String generateFullNewWalletFile(java.lang.String password,
                                                         java.io.File destinationDirectory)
                                                  throws java.security.NoSuchAlgorithmException,
                                                         java.security.NoSuchProviderException,
                                                         java.security.InvalidAlgorithmParameterException,
                                                         CipherException,
                                                         java.io.IOException

抛出:

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

java.security.InvalidAlgorithmParameterException

CipherException

java.io.IOException

generateLightNewWalletFile

public static java.lang.String generateLightNewWalletFile(java.lang.String password,
                                                          java.io.File destinationDirectory)
                                                   throws java.security.NoSuchAlgorithmException,
                                                          java.security.NoSuchProviderException,
                                                          java.security.InvalidAlgorithmParameterException,
                                                          CipherException,
                                                          java.io.IOException

抛出:

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

java.security.InvalidAlgorithmParameterException

CipherException

java.io.IOException

generateNewWalletFile

public static java.lang.String generateNewWalletFile(java.lang.String password,
                                                     java.io.File destinationDirectory)
                                              throws CipherException,
                                                     java.security.InvalidAlgorithmParameterException,
                                                     java.security.NoSuchAlgorithmException,
                                                     java.security.NoSuchProviderException,
                                                     java.io.IOException

抛出:

CipherException

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

java.io.IOException

generateNewWalletFile

public static java.lang.String generateNewWalletFile(java.lang.String password,
                                                     java.io.File destinationDirectory,
                                                     boolean useFullScrypt)
                                              throws CipherException,
                                                     java.io.IOException,
                                                     java.security.InvalidAlgorithmParameterException,
                                                     java.security.NoSuchAlgorithmException,
                                                     java.security.NoSuchProviderException

抛出:

CipherException

java.io.IOException

java.security.InvalidAlgorithmParameterException

java.security.NoSuchAlgorithmException

java.security.NoSuchProviderException

generateWalletFile

public static java.lang.String generateWalletFile(java.lang.String password,
                                                  ECKeyPair ecKeyPair,
                                                  java.io.File destinationDirectory,
                                                  boolean useFullScrypt)
                                           throws CipherException,
                                                  java.io.IOException

抛出:

CipherException

java.io.IOException

generateBip39Wallet

public static Bip39Wallet generateBip39Wallet(java.lang.String password,
                                              java.io.File destinationDirectory)
                                       throws CipherException,
                                              java.io.IOException

Generates a BIP-39 compatible Ethereum wallet. The private key for the wallet can be calculated using following algorithm:

     Key = SHA-256(BIP_39_SEED(mnemonic, password))
 

参数:

password - Will be used for both wallet encryption and passphrase for BIP-39 seed

destinationDirectory - The directory containing the wallet

返回:

A BIP-39 compatible Ethereum wallet

抛出:

CipherException - if the underlying cipher is not available

java.io.IOException - if the destination cannot be written to

loadCredentials

public static Credentials loadCredentials(java.lang.String password,
                                          java.lang.String source)
                                   throws java.io.IOException,
                                          CipherException

抛出:

java.io.IOException

CipherException

loadCredentials

public static Credentials loadCredentials(java.lang.String password,
                                          java.io.File source)
                                   throws java.io.IOException,
                                          CipherException

抛出:

java.io.IOException

CipherException

loadBip39Credentials

public static Credentials loadBip39Credentials(java.lang.String password,
                                               java.lang.String mnemonic)

getDefaultKeyDirectory

public static java.lang.String getDefaultKeyDirectory()

getTestnetKeyDirectory

public static java.lang.String getTestnetKeyDirectory()

getMainnetKeyDirectory

public static java.lang.String getMainnetKeyDirectory()

getRinkebyKeyDirectory

public static java.lang.String getRinkebyKeyDirectory()

Get keystore destination directory for a Rinkeby network.

返回:

a String containing destination directory

isValidPrivateKey

public static boolean isValidPrivateKey(java.lang.String privateKey)

isValidAddress

public static boolean isValidAddress(java.lang.String input)