Пример #1
0
def _do_config_list(args):
    """Lists the current on-chain configuration values.
    """
    rest_client = RestClient(args.url)
    state = rest_client.list_state(subtree=SETTINGS_NAMESPACE)

    prefix = args.filter

    head = state['head']
    state_values = state['data']
    printable_settings = []
    proposals_address = _key_to_address('sawtooth.settings.vote.proposals')
    for state_value in state_values:
        if state_value['address'] == proposals_address:
            # This is completely internal setting and we won't list it here
            continue

        decoded = b64decode(state_value['data'])
        setting = Setting()
        setting.ParseFromString(decoded)

        for entry in setting.entries:
            if entry.key.startswith(prefix):
                printable_settings.append(entry)

    printable_settings.sort(key=lambda s: s.key)

    if args.format == 'default':
        tty_width = tty.width()
        for setting in printable_settings:
            # Set value width to the available terminal space, or the min width
            width = tty_width - len(setting.key) - 3
            width = width if width > _MIN_PRINT_WIDTH else _MIN_PRINT_WIDTH
            value = (setting.value[:width] +
                     '...' if len(setting.value) > width else setting.value)
            print('{}: {}'.format(setting.key, value))
    elif args.format == 'csv':
        try:
            writer = csv.writer(sys.stdout, quoting=csv.QUOTE_ALL)
            writer.writerow(['KEY', 'VALUE'])
            for setting in printable_settings:
                writer.writerow([setting.key, setting.value])
        except csv.Error:
            raise CliException('Error writing CSV')
    elif args.format == 'json' or args.format == 'yaml':
        settings_snapshot = {
            'head': head,
            'settings':
            {setting.key: setting.value
             for setting in printable_settings}
        }
        if args.format == 'json':
            print(json.dumps(settings_snapshot, indent=2, sort_keys=True))
        else:
            print(yaml.dump(settings_snapshot, default_flow_style=False)[0:-1])
    else:
        raise AssertionError('Unknown format {}'.format(args.format))
Пример #2
0
def _get_proposals(rest_client):
    state_leaf = rest_client.get_leaf(
        _key_to_address('sawtooth.config.vote.proposals'))

    config_candidates = ConfigCandidates()

    if state_leaf is not None:
        setting_bytes = b64decode(state_leaf['data'])
        setting = Setting()
        setting.ParseFromString(setting_bytes)

        candidates_bytes = None
        for entry in setting.entries:
            if entry.key == 'sawtooth.config.vote.proposals':
                candidates_bytes = entry.value

        if candidates_bytes is not None:
            decoded = b64decode(candidates_bytes)
            config_candidates.ParseFromString(decoded)

    return config_candidates
Пример #3
0
def _do_config_proposal_list(args):
    """Executes the 'proposal list' subcommand.

    Given a url, optional filters on prefix and public key, this command lists
    the current pending proposals for settings changes.
    """
    rest_client = RestClient(args.url)
    state_leaf = rest_client.get_leaf(
        _key_to_address('sawtooth.config.vote.proposals'))

    def _accept(candidate, public_key, prefix):
        # Check to see if the first public key matches the given public key
        # (if it is not None).  This public key belongs to the user that
        # created it.
        has_pub_key = (not public_key
                       or candidate.votes[0].public_key == public_key)
        has_prefix = candidate.proposal.setting.startswith(prefix)
        return has_prefix and has_pub_key

    if state_leaf is not None:
        setting_bytes = b64decode(state_leaf['data'])
        setting = Setting()
        setting.ParseFromString(setting_bytes)

        candidates_bytes = None
        for entry in setting.entries:
            if entry.key == 'sawtooth.config.vote.proposals':
                candidates_bytes = entry.value

        decoded = b64decode(candidates_bytes)
        candidates_payload = ConfigCandidates()
        candidates_payload.ParseFromString(decoded)

        candidates = [
            c for c in candidates_payload.candidates
            if _accept(c, args.public_key, args.filter)
        ]
    else:
        candidates = []

    if args.format == 'default':
        for candidate in candidates:
            print('{}: {} => {}'.format(candidate.proposal_id,
                                        candidate.proposal.setting,
                                        candidate.proposal.value))
    elif args.format == 'csv':
        writer = csv.writer(sys.stdout, quoting=csv.QUOTE_ALL)
        writer.writerow(['PROPOSAL_ID', 'KEY', 'VALUE'])
        for candidate in candidates:
            writer.writerow([
                candidate.proposal_id, candidate.proposal.setting,
                candidate.proposal.value
            ])
    elif args.format == 'json' or args.format == 'yaml':
        candidates_snapshot = \
            {c.proposal_id: {c.proposal.setting: c.proposal.value}
             for c in candidates}

        if args.format == 'json':
            print(json.dumps(candidates_snapshot, indent=2, sort_keys=True))
        else:
            print(
                yaml.dump(candidates_snapshot, default_flow_style=False)[0:-1])
    else:
        raise AssertionError('Unknown format {}'.format(args.format))