Java WalletUtils.loadCredentials方法代码示例

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
@BeforeClass
    public static void setUpClass() throws IOException, CipherException {

        credentials = WalletUtils.loadCredentials("password", KEY_FILE1);
        testData1 = TestData.staticGenerate(credentials.getAddress());

        parity = Parity.build(new HttpService("http://localhost:8545"));
//        parity.personalUnlockAccount(credentials.getAddress(), "password", new BigInteger("100000"));

        Cmc cmc = Cmc.load(CMC_ADDR, parity, credentials, GAS_PRICE, GAS_LIMIT);
        cmcWrapper = new CmcWrapper(cmc);
        // cmcWrapper.bootstrap();
        String dnsManagerAddress = cmcWrapper.getAddress(APP_NAME);

        SolDnsApp solDnsApp = SolDnsApp.load(dnsManagerAddress, parity, credentials, GAS_PRICE, GAS_LIMIT);
        solDnsAppWrapper = new SolDnsAppWrapper(solDnsApp);
    }
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public static Credentials loadCredentials(EthKeyProperties keyProperties) {
    if (keyProperties.getKeyLocation() != null) {
        try {
            return WalletUtils.loadCredentials(keyProperties.getKeyPassword(), keyProperties.getKeyLocation());
        } catch (Exception e) {
            throw Throwables.propagate(e);
        }
    } else if (keyProperties.getPrivateKey() != null) {
        return Credentials.create(keyProperties.getPrivateKey());
    } else {
        throw new IllegalStateException("Either node.eth.key-location or node.eth.test.private-key required");
    }
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public Credentials getCredentials() {
    if (credentials != null) {
      return credentials;
    }

    try {
      String fileWithPath = getFile().getAbsolutePath();
      credentials = WalletUtils.loadCredentials(password, fileWithPath);

      // TODO verify again (performance issue gone now?)
// tried to figure out where the time is used up
//      File file = new File(fileWithPath);
//      ObjectMapper objectMapper = ObjectMapperFactory.getObjectMapper(); // 8sec
//      WalletFile walletFile = objectMapper.readValue(file, WalletFile.class);
//      ECKeyPair keyPair = org.web3j.crypto.Wallet.decrypt(password, walletFile); // > 30s
// -> "culprit" is Wallet.generateDerivedScryptKey() inside of Wallet.decrypt
//      Credentials credentials = Credentials.create(keyPair);

      return credentials;
    }
    catch (Exception e) {
      LOG.error("failed to access credentials in file '" + getFile().getAbsolutePath() + "'", e);
      return null;
    }
  }
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public void sign(String pinCode, WalletInfo walletInfo) throws CantSignedException {
    try {
        final String fullPassword = pinCode + walletInfo.getSalt();

        if (getEcKeyPair() != null) {
            credentials = Credentials.create(getEcKeyPair());
        } else {
            credentials = WalletUtils.loadCredentials(fullPassword, getWalletPath());
        }
    } catch (IOException | CipherException e) {
        e.printStackTrace();
        throw new CantSignedException();
    }
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
@Bean
public ModumToken getModumToken() throws IOException, CipherException {
    Web3j web3j = Web3j.build(new HttpService());
    try {
        Credentials credentials = WalletUtils.loadCredentials(password, account);
        return ModumToken.load(contract, web3j, credentials, ManagedTransaction.GAS_PRICE, Contract.GAS_LIMIT);
    } catch (FileNotFoundException e) {
        return null;
    }
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public static Wallet getSignedWallet(String walletFile, String pinCode, String salt)
        throws CantSignedException
{
    try {
        Credentials credentials = WalletUtils.loadCredentials(pinCode + salt, walletFile);
        return new Wallet(walletFile, credentials);
    } catch (IOException | CipherException e) {
        e.printStackTrace();
        throw new CantSignedException();
    }
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public PaperWallet(String passPhrase, File walletFile) {
	// check if provided file exists
	if(!walletFile.exists() || walletFile.isDirectory()) { 
		System.err.println(String.format("%s file does not exist or is a directory", WALLET_ERROR));
	}
	
	try {
		credentials = WalletUtils.loadCredentials(passPhrase, walletFile);
	} 
	catch (Exception e) {
		System.err.println(String.format("%s failed to load credentials with provided password", WALLET_ERROR));
	}
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public Credentials getCredentials(String passPhrase) throws Exception {
	if (credentials != null) {
		return credentials;
	}

	try {
		String fileWithPath = getFile().getAbsolutePath();
		credentials = WalletUtils.loadCredentials(passPhrase, fileWithPath);

		return credentials;
	}
	catch (Exception e) {
		throw new Exception ("Failed to access credentials in file '" + getFile().getAbsolutePath() + "'", e);
	}
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public Credentials getFullWallet(Context context, String password, String wallet) throws IOException, JSONException, CipherException {
    if (wallet.startsWith("0x"))
        wallet = wallet.substring(2, wallet.length());
    return WalletUtils.loadCredentials(password, new File(context.getFilesDir(), wallet));
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public void loadCredentials(String password, File file) throws IOException, CipherException {
  credentials = WalletUtils.loadCredentials(password, file);
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
public PapyrusMember(String address, Web3j web3j, File credentials, String pass) throws IOException, CipherException {
    this.address = address;
    this.transactionManager = new RawTransactionManager(web3j, WalletUtils.loadCredentials(pass, credentials));
}
 

import org.web3j.crypto.WalletUtils; //导入方法依赖的package包/类
/**
 * Abrir una cuenta ethereum
 *
 * @param password
 * @param walletName
 * @return
 * @throws Exception
 */
public Credentials openWallet(String password, String walletName) throws Exception {
    Credentials credentials = WalletUtils.loadCredentials(password, WALLET_PATH + walletName);
    return credentials;
}