Examples with Role com.icodici.universa.contract.roles.Role used on opensource projects

Example 6 with Role

use of com.icodici.universa.contract.roles.Role in project universa by UniversaBlockchain.

the class PermissionsTest method decrementWithReference.

@Test
public void decrementWithReference() throws Exception {
    Set<PrivateKey> stepaPrivateKeys = new HashSet<>();
    stepaPrivateKeys.add(new PrivateKey(Do.read(rootPath + "keys/stepan_mamontov.private.unikey")));
    Set<PublicKey> stepaPublicKeys = new HashSet<>();
    for (PrivateKey pk : stepaPrivateKeys) {
        stepaPublicKeys.add(pk.getPublicKey());
    }
    Set<String> references = new HashSet<>();
    references.add("certification_contract");
    Contract c = Contract.fromDslFile(rootPath + "AbonementWithReferenceDSLTemplate.yml");
    c.addSignerKeyFromFile(PRIVATE_KEY_PATH);
    Role r = c.getPermissions().getFirst("decrement_permission").getRole();
    assertThat(r, is(instanceOf(ListRole.class)));
    assertFalse(r.isAllowedFor(stepaPublicKeys, null));
    assertTrue(r.isAllowedFor(stepaPublicKeys, references));
    System.out.println("decrement permission :" + c.getPermissions().get("decrement_permission"));
    c.seal();
    c.check();
    c.traceErrors();
    assertTrue(c.isOk());
    assertEquals(c, (c.getPermissions().getFirst("decrement_permission").getRole()).getContract());
    // Bad contract change: owner has no right to change owner ;)
    Set<PrivateKey> badPrivateKeys = new HashSet<>();
    badPrivateKeys.add(TestKeys.privateKey(0));
    Contract c1 = c.createRevision(TestKeys.privateKey(0));
    c1.getStateData().set("units", c.getStateData().getIntOrThrow("units") - 1);
    c1.seal();
    c1.check();
    c1.traceErrors();
    // assertEquals(1, c1.getErrors().size());
    // ErrorRecord error = c1.getErrors().get(0);
    // assertEquals(Errors.FORBIDDEN, error.getError());
    assertFalse(c1.isOk());
    // bad contract change: good key but no reference
    Contract c2 = c.createRevision(stepaPrivateKeys);
    c2.getStateData().set("units", c.getStateData().getIntOrThrow("units") - 1);
    assertEquals(c2, c2.getPermissions().getFirst("decrement_permission").getRole().getContract());
    System.out.println("-------------");
    c1.seal();
    c1.check();
    c1.traceErrors();
    // assertEquals(1, c1.getErrors().size());
    // ErrorRecord error = c1.getErrors().get(0);
    // assertEquals(Errors.FORBIDDEN, error.getError());
    assertFalse(c1.isOk());
    // good contract change: creator is an owner
    Contract c3 = c.createRevision(stepaPrivateKeys);
    c3.getStateData().set("units", c.getStateData().getIntOrThrow("units") - 1);
    Reference ref = new Reference();
    ref.name = "certification_contract";
    ref.type = Reference.TYPE_EXISTING;
    ref.addMatchingItem(new Contract());
    c3.getReferences().put(ref.name, ref);
    assertEquals(c3, c3.getPermissions().getFirst("decrement_permission").getRole().getContract());
    System.out.println("-------------");
    sealCheckTrace(c3, true);
}

Example 7 with Role

use of com.icodici.universa.contract.roles.Role in project universa by UniversaBlockchain.

the class ContractDelta method checkOwnerChanged.

private void checkOwnerChanged() throws Quantiser.QuantiserException {
    ChangedItem<Role, Role> oc = (ChangedItem<Role, Role>) stateChanges.get("owner");
    if (oc != null) {
        stateChanges.remove("owner");
        Role creator = changed.getRole("creator");
        if (!existing.isPermitted("change_owner", creator))
            addError(FORBIDDEN, "state.owner", "creator has no right to change");
    }
}

Example 8 with Role

use of com.icodici.universa.contract.roles.Role in project universa by UniversaBlockchain.

the class Contract method checkRootContract.

/**
 * Create new root contract to be created. It may have parent, but does not have origin, as it is an origin itself.
 */
private void checkRootContract() throws Quantiser.QuantiserException {
    // root contract must be issued ny the issuer
    Role issuer = getRole("issuer");
    if (issuer == null || !issuer.isValid()) {
        addError(BAD_VALUE, "definition.issuer", "missing issuer");
        return;
    }
    // the bad case - no issuer - should be processed normally without exceptions:
    Role createdBy = getRole("creator");
    if (createdBy == null || !createdBy.isValid()) {
        addError(BAD_VALUE, "state.created_by", "invalid creator");
        return;
    }
    if (issuer != null && !issuer.equalKeys(createdBy))
        addError(ISSUER_MUST_CREATE, "state.created_by");
    if (state.revision != 1)
        addError(BAD_VALUE, "state.revision", "must be 1 in a root contract");
    if (state.createdAt == null)
        state.createdAt = definition.createdAt;
    else if (!state.createdAt.equals(definition.createdAt))
        addError(BAD_VALUE, "state.created_at", "invalid");
    if (state.origin != null)
        addError(BAD_VALUE, "state.origin", "must be empty in a root contract");
    checkRootDependencies();
}

Example 9 with Role

use of com.icodici.universa.contract.roles.Role in project universa by UniversaBlockchain.

the class Reference method toString.

@Override
public String toString() {
    String res = "{";
    res += "name:" + name;
    res += ", type:" + type;
    if (transactional_id.length() > 8)
        res += ", transactional_id:" + transactional_id.substring(0, 8) + "...";
    else
        res += ", transactional_id:" + transactional_id;
    res += ", contract_id:" + contract_id;
    res += ", required:" + required;
    res += ", origin:" + origin;
    res += ", signed_by:[";
    for (int i = 0; i < signed_by.size(); ++i) {
        if (i > 0)
            res += ", ";
        Role r = signed_by.get(i);
        res += r.getName() + ":" + Bytes.toHex(r.getKeys().iterator().next().fingerprint()).substring(0, 8) + "...";
    }
    res += "]";
    res += "}";
    return res;
}

Example 10 with Role

use of com.icodici.universa.contract.roles.Role in project universa by UniversaBlockchain.

the class CLIMain method exportPublicKeys.

/**
 * Export public keys from specified contract.
 *
 * @param contract - contract to export.
 * @param roleName - from which role keys should be exported.
 * @param fileName - name of file to export to.
 */
private static void exportPublicKeys(Contract contract, String roleName, String fileName, boolean base64) throws IOException {
    if (fileName == null) {
        if (testMode && testRootPath != null) {
            fileName = testRootPath + "Universa_" + roleName + "_public_key";
        } else {
            fileName = "Universa_" + roleName + "_public_key.pub";
        }
    }
    Role role = contract.getRole(roleName);
    if (role != null) {
        Set<PublicKey> keys = role.getKeys();
        int index = 0;
        byte[] data;
        for (PublicKey key : keys) {
            index++;
            data = key.pack();
            String name = fileName.replaceAll("\\.(pub)$", "_key_" + roleName + "_" + index + ".public.unikey");
            if (base64) {
                name += ".txt";
            }
            try (FileOutputStream fs = new FileOutputStream(name)) {
                if (base64)
                    fs.write(Base64.encodeLines(data).getBytes());
                else
                    fs.write(data);
                fs.close();
            }
        }
        report(roleName + " export public keys ok");
    } else {
        report("export public keys error, role does not exist: " + roleName);
    }
}