Examples with Binder net.sergeych.tools.Binder used on opensource projects

Example 76 with Binder

use of net.sergeych.tools.Binder in project universa by UniversaBlockchain.

the class Contract method findSignatureInSeal.

public boolean findSignatureInSeal(PublicKey publicKey) throws Quantiser.QuantiserException {
    if (sealedBinary == null)
        throw new IllegalStateException("failed to create revision");
    Binder data = Boss.unpack(sealedBinary);
    byte[] contractBytes = data.getBinaryOrThrow("data");
    List<Bytes> signatures = data.getListOrThrow("signatures");
    for (Bytes s : signatures) {
        verifySignatureQuantized(publicKey);
        if (ExtendedSignature.verify(publicKey, s.getData(), contractBytes) != null)
            return true;
    }
    return false;
}

Example 77 with Binder

use of net.sergeych.tools.Binder in project universa by UniversaBlockchain.

the class Contract method sealAsV2.

public byte[] sealAsV2() {
    byte[] theContract = Boss.pack(BossBiMapper.serialize(Binder.of("contract", this, "revoking", revokingItems.stream().map(i -> i.getLastSealedBinary()).collect(Collectors.toList()), "new", newItems.stream().map(i -> i.seal()).collect(Collectors.toList()))));
    // redundand code. already executed here newItems.stream().map(i -> i.seal())
    // newItems.forEach(c -> c.seal());
    Binder result = Binder.of("type", "unicapsule", "version", 2, "data", theContract);
    List<byte[]> signatures = new ArrayList<>();
    keysToSignWith.forEach(key -> {
        signatures.add(ExtendedSignature.sign(key, theContract));
    });
    result.put("data", theContract);
    result.put("signatures", signatures);
    setOwnBinary(result);
    return sealedBinary;
}

Example 78 with Binder

use of net.sergeych.tools.Binder in project universa by UniversaBlockchain.

the class CLIMain method checkSj.

private static void checkSj(Contract contract, Permission sj) {
    Binder params = sj.getParams();
    String fieldName = "state.data." + params.getStringOrThrow("field_name");
    reporter.verbose("splitjoins permission fond on field '" + fieldName + "'");
    StringBuilder outcome = new StringBuilder();
    List<Decimal> values = new ArrayList<>();
    contract.getRevoking().forEach(c -> {
        Decimal x;
        if (c.get(fieldName) != null) {
            x = new Decimal(c.get(fieldName).toString());
            values.add(x);
            if (outcome.length() > 0)
                outcome.append(" + ");
            outcome.append(x.toString());
        }
    });
    List<Contract> news = Do.listOf(contract);
    news.addAll(contract.getNew());
    outcome.append(" -> ");
    news.forEach(c -> {
        Decimal x;
        if (c.get(fieldName) != null) {
            if (c != contract)
                outcome.append(" + ");
            x = new Decimal(c.get(fieldName).toString());
            outcome.append(x.toString());
            values.add(x.negate());
        }
    });
    reporter.verbose("operation is: " + outcome.toString());
    Decimal saldo = values.stream().reduce(Decimal.ZERO, (a, b) -> a.add(b));
    if (saldo.compareTo(Decimal.ZERO) == 0)
        reporter.verbose("Saldo looks good (zero)");
    else
        reporter.warning("Saldo is not zero: " + saldo);
}

Example 79 with Binder

use of net.sergeych.tools.Binder in project universa by UniversaBlockchain.

the class CLIMain method updateFields.

/**
 * Update fields for specified contract.
 *
 * @param contract - contract for update.
 * @param fields   - map of field names and values.
 */
private static void updateFields(Contract contract, HashMap<String, String> fields) throws IOException {
    for (String fieldName : fields.keySet()) {
        report("update field: " + fieldName + " -> " + fields.get(fieldName));
        Binder binder = new Binder();
        Binder data = null;
        try {
            XStream xstream = new XStream(new DomDriver());
            xstream.registerConverter(new MapEntryConverter());
            xstream.alias(fieldName, Binder.class);
            data = Binder.convertAllMapsToBinders(xstream.fromXML(fields.get(fieldName)));
        } catch (Exception xmlEx) {
            // xmlEx.printStackTrace();
            try {
                Gson gson = new GsonBuilder().create();
                binder = Binder.convertAllMapsToBinders(gson.fromJson(fields.get(fieldName), Binder.class));
                data = (Binder) data.get(fieldName);
            } catch (Exception jsonEx) {
                // jsonEx.printStackTrace();
                try {
                    Yaml yaml = new Yaml();
                    data = Binder.convertAllMapsToBinders(yaml.load(fields.get(fieldName)));
                    data = (Binder) data.get(fieldName);
                } catch (Exception yamlEx) {
                    yamlEx.printStackTrace();
                }
            }
        }
        if (data != null) {
            BiDeserializer bm = DefaultBiMapper.getInstance().newDeserializer();
            binder.put("data", bm.deserialize(data));
            contract.set(fieldName, binder);
            report("update field " + fieldName + " ok");
        } else {
            report("update field " + fieldName + " error: no valid data");
        }
    }
    report("contract expires at " + DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(contract.getExpiresAt()));
}

Example 80 with Binder

use of net.sergeych.tools.Binder in project universa by UniversaBlockchain.

the class CLIMain method exportContract.

/**
 * Export contract to specified xml or json file.
 *
 * @param contract   - contract to export.
 * @param fileName   - name of file to export to.
 * @param format     - format of file to export to. Can be xml, yaml or json.
 * @param jsonPretty - if true, json will be pretty formated.
 */
public static void exportContract(Contract contract, String fileName, String format, Boolean jsonPretty) throws IOException {
    format = format.toLowerCase();
    report("export format: " + format);
    if (fileName == null) {
        if (testMode && testRootPath != null) {
            fileName = testRootPath + "Universa_" + DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(contract.getCreatedAt());
        } else {
            fileName = "Universa_" + DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss").format(contract.getCreatedAt());
        }
    }
    Binder binder = contract.serialize(DefaultBiMapper.getInstance().newSerializer());
    byte[] data;
    if ("xml".equals(format)) {
        XStream xstream = new XStream(new DomDriver());
        xstream.registerConverter(new MapEntryConverter());
        xstream.alias("contract", Binder.class);
        data = xstream.toXML(binder).getBytes();
    } else if ("yaml".equals(format) || "yml".equals(format)) {
        Yaml yaml = new Yaml();
        data = yaml.dumpAsMap(binder).getBytes();
    } else {
        Gson gson;
        if (jsonPretty) {
            gson = new GsonBuilder().setPrettyPrinting().create();
        } else {
            gson = new GsonBuilder().create();
        }
        String jsonString = gson.toJson(binder);
        data = jsonString.getBytes();
    }
    try (FileOutputStream fs = new FileOutputStream(fileName)) {
        fs.write(data);
        fs.close();
    }
    report(fileName + " export as " + format + " ok");
}