Examples with PrivateKey com.icodici.crypto.PrivateKey used on opensource projects

Example 76 with PrivateKey

use of com.icodici.crypto.PrivateKey in project universa by UniversaBlockchain.

the class InnerContractsService method createFreshTU.

/**
 * Creates fresh contract in the first revision with transaction units.
 *<br><br>
 * This contract should be registered and then should be used as payment for other contract's processing.
 * TU contracts signs with special Universa keys and set as owner public keys from params.
 *<br><br>
 * @param amount is initial number of TU that will be have an owner
 * @param ownerKeys is public keys that will became an owner of TU
 * @param withTestTU if true TU will be created with test transaction units
 * @return sealed TU contract; should be registered in the Universa by simplified procedure.
 * @throws IOException with exceptions while contract preparing
 */
public static synchronized Contract createFreshTU(int amount, Set<PublicKey> ownerKeys, boolean withTestTU) throws IOException {
    PrivateKey manufacturePrivateKey = new PrivateKey(Do.read(Config.tuKeyPath));
    Contract tu;
    if (withTestTU) {
        tu = Contract.fromDslFile(Config.testTUTemplatePath);
    } else {
        tu = Contract.fromDslFile(Config.tuTemplatePath);
    }
    SimpleRole ownerRole = new SimpleRole("owner");
    for (PublicKey k : ownerKeys) {
        KeyRecord kr = new KeyRecord(k);
        ownerRole.addKeyRecord(kr);
    }
    tu.registerRole(ownerRole);
    tu.createRole("owner", ownerRole);
    tu.getStateData().set("transaction_units", amount);
    if (withTestTU) {
        tu.getStateData().set("test_transaction_units", amount * 100);
    }
    tu.addSignerKey(manufacturePrivateKey);
    tu.seal();
    return tu;
}

Example 77 with PrivateKey

use of com.icodici.crypto.PrivateKey in project universa by UniversaBlockchain.

the class CLIMain method doSelectKeyInFolder.

private static void doSelectKeyInFolder(String keysPath, String address) throws IOException {
    File folder = new File(keysPath);
    KeyAddress keyAddress;
    if (!keysPath.endsWith("/"))
        keysPath = keysPath.concat("/");
    try {
        keyAddress = new KeyAddress(address);
    } catch (Exception e) {
        report("Invalid address.");
        finish();
        return;
    }
    if (folder.exists()) {
        for (File file : folder.listFiles()) {
            if (!file.isDirectory()) {
                boolean bResult = false;
                try {
                    PrivateKey key = new PrivateKey(Do.read(keysPath + file.getName()));
                    bResult = keyAddress.isMatchingKey(key.getPublicKey());
                } catch (Exception e) {
                    bResult = false;
                }
                if (bResult) {
                    report("Filekey: " + file.getName());
                    finish();
                    return;
                }
            }
        }
        report("File not found.");
    } else
        report("There is no such directory.");
    finish();
}

Example 78 with PrivateKey

use of com.icodici.crypto.PrivateKey in project universa by UniversaBlockchain.

the class CLIMain method doRegister.

private static void doRegister() throws IOException {
    List<String> sources = new ArrayList<String>((List) options.valuesOf("register"));
    String tuSource = (String) options.valueOf("tu");
    int tuAmount = (int) options.valueOf("amount");
    boolean tutest = options.has("tutest");
    List<String> nonOptions = new ArrayList<String>((List) options.nonOptionArguments());
    for (String opt : nonOptions) {
        sources.addAll(asList(opt.split(",")));
    }
    cleanNonOptionalArguments(sources);
    for (int s = 0; s < sources.size(); s++) {
        String source = sources.get(s);
        Contract contract = loadContract(source);
        Contract tu = null;
        if (tuSource != null) {
            tu = loadContract(tuSource, true);
            report("load payment revision: " + tu.getState().getRevision() + " id: " + tu.getId());
        }
        Set<PrivateKey> tuKeys = new HashSet<>(keysMap().values());
        if (contract != null) {
            if (tu != null && tuKeys != null && tuKeys.size() > 0) {
                report("registering the paid contract " + contract.getId() + " from " + source + " for " + tuAmount + " TU");
                Parcel parcel = registerContract(contract, tu, tuAmount, tuKeys, tutest, (int) options.valueOf("wait"));
                if (parcel != null) {
                    report("save payment revision: " + parcel.getPaymentContract().getState().getRevision() + " id: " + parcel.getPaymentContract().getId());
                    CopyOption[] copyOptions = new CopyOption[] { StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES };
                    Files.copy(Paths.get(tuSource), Paths.get(tuSource.replaceAll("(?i)\\.(unicon)$", "_rev" + tu.getRevision() + ".unicon")), copyOptions);
                    saveContract(parcel.getPaymentContract(), tuSource, true, false);
                }
            } else {
                report("registering the contract " + contract.getId().toBase64String() + " from " + source);
                registerContract(contract, (int) options.valueOf("wait"));
            }
        }
    }
    // print cost of processing if asked
    if (options.has("cost")) {
        doCost();
    } else {
        finish();
    }
}

Example 79 with PrivateKey

use of com.icodici.crypto.PrivateKey in project universa by UniversaBlockchain.

the class CLIMain method doAddressMatch.

private static void doAddressMatch(String address, String keyFilePath) throws IOException {
    boolean bResult = false;
    try {
        PrivateKey key = new PrivateKey(Do.read(keyFilePath));
        KeyAddress keyAddress = new KeyAddress(address);
        bResult = keyAddress.isMatchingKey(key.getPublicKey());
    } catch (Exception e) {
    }
    ;
    report("Matching address: " + address + " with key: " + keyFilePath);
    report("Matching result: " + bResult);
    finish();
}

Example 80 with PrivateKey

use of com.icodici.crypto.PrivateKey in project universa by UniversaBlockchain.

the class CLIMain method keysMap.

public static synchronized Map<String, PrivateKey> keysMap() throws IOException {
    if (keyFiles == null) {
        keyFiles = new HashMap<>();
        for (String fileName : keyFileNames) {
            // keyFiles.put(fileName, pk);
            try {
                PrivateKey pk = PrivateKey.fromPath(Paths.get(fileName));
                keyFiles.put(fileName, pk);
            } catch (IOException e) {
                addError(Errors.NOT_FOUND.name(), fileName.toString(), "failed to load key file: " + e.getMessage());
            }
        }
    }
    return keyFiles;
}