Get list of the public keys by account address on which these keys de…

…pend (#16)

README.md

@@ -17,6 +17,7 @@
     * [Configuration file](#configuration-file)
     * [Service](#service)
     * [Account](#account)
+    * [Public key](#public-key)
   * [Development](#development)
     * [Requirements](#development-requirements)
     * [Docker](#docker)
@@ -139,6 +140,29 @@ $ remme account transfer-tokens \
 }
 ```
 
+### Public key
+
+Get a list of the addresses of the public keys by account address — ``remme public-key get-list``:
+
+| Arguments | Type   | Required | Description                                                           |
+| :-------: | :----: | :------: | --------------------------------------------------------------------- |
+| address   | String | Yes      | Account address to get a list of the addresses of the public keys by. |
+| node-url  | String | No       | Node URL to apply a command to.                                       |
+
+```bash
+$ remme public-key get-list \
+      --address=1120076ecf036e857f42129b58303bcf1e03723764a1702cbe98529802aad8514ee3cf \
+      --node-url=node-genesis-testnet.remme.io
+{
+    "result": {
+        "public_key_addresses": [
+            "a23be10b3aad1b4a98f338c71d6dcdb2aa2f296c7e31fb400615e335dc10dd1d4f62bf",
+            "a23be14b362514d624c1985277005327f6fc40413fb090eee6fccb673a32c9809060ff"
+        ]
+    }
+}
+```
+
 ## Development
 
 <h3 id="development-requirements">Requirements</h4>

cli/entrypoint.py

@@ -4,6 +4,7 @@
 import click
 
 from cli.account.cli import account_commands
+from cli.public_key.cli import public_key_commands
 
 
 @click.group()
@@ -17,3 +18,4 @@ def cli():
 
 
 cli.add_command(account_commands)
+cli.add_command(public_key_commands)

cli/public_key/cli.py

@@ -0,0 +1,60 @@
+"""
+Provide implementation of the command line interface's public key commands.
+"""
+import sys
+
+import click
+from remme import Remme
+
+from cli.constants import (
+    FAILED_EXIT_FROM_COMMAND_CODE,
+    NODE_URL_ARGUMENT_HELP_MESSAGE,
+)
+from cli.public_key.forms import GetPublicKeysForm
+from cli.public_key.help import ADDRESS_ARGUMENT_HELP_MESSAGE
+from cli.public_key.service import PublicKey
+from cli.utils import (
+    default_node_url,
+    print_errors,
+    print_result,
+)
+
+
+@click.group('public-key', chain=True)
+def public_key_commands():
+    """
+    Provide commands for working with public key.
+    """
+    pass
+
+
+@click.option('--address', type=str, required=True, help=ADDRESS_ARGUMENT_HELP_MESSAGE)
+@click.option('--node-url', type=str, required=False, help=NODE_URL_ARGUMENT_HELP_MESSAGE, default=default_node_url())
+@public_key_commands.command('get-list')
+def get_public_keys(address, node_url):
+    """
+    Get a list of the addresses of the public keys by account address.
+    """
+    arguments, errors = GetPublicKeysForm().load({
+        'address': address,
+        'node_url': node_url,
+    })
+
+    if errors:
+        print_errors(errors)
+        sys.exit(FAILED_EXIT_FROM_COMMAND_CODE)
+
+    address = arguments.get('address')
+    node_url = arguments.get('node_url')
+
+    remme = Remme(network_config={
+        'node_address': str(node_url) + ':8080',
+    })
+
+    result, errors = PublicKey(service=remme).get_list(address=address)
+
+    if errors is not None:
+        print_errors(errors=errors)
+        sys.exit(FAILED_EXIT_FROM_COMMAND_CODE)
+
+    print_result(result=result)

cli/public_key/forms.py

@@ -0,0 +1,18 @@
+"""
+Provide forms for command line interface's public key commands.
+"""
+from marshmallow import Schema
+
+from cli.generic.forms.fields import (
+    AccountAddressField,
+    NodeURLField,
+)
+
+
+class GetPublicKeysForm(Schema):
+    """
+    Get a list of the addresses of the public keys form.
+    """
+
+    address = AccountAddressField(required=True)
+    node_url = NodeURLField(allow_none=True, required=False)

cli/public_key/help.py

@@ -0,0 +1,4 @@
+"""
+Provide help messages for command line interface's public key commands.
+"""
+ADDRESS_ARGUMENT_HELP_MESSAGE = 'Account address to get a list of the addresses of the public keys by.'

cli/public_key/interfaces.py

@@ -0,0 +1,15 @@
+"""
+Provide implementation of the public key interfaces.
+"""
+
+
+class PublicKeyInterface:
+    """
+    Implements public key interface.
+    """
+
+    def get_list(self, address):
+        """
+        Get a list of the addresses of the public keys by account address.
+        """
+        pass

cli/public_key/service.py

@@ -0,0 +1,42 @@
+"""
+Provide implementation of the public key.
+"""
+import asyncio
+
+from accessify import implements
+
+from cli.public_key.interfaces import PublicKeyInterface
+
+loop = asyncio.get_event_loop()
+
+
+@implements(PublicKeyInterface)
+class PublicKey:
+    """
+    Implements public key.
+    """
+
+    def __init__(self, service):
+        """
+        Constructor.
+
+        Arguments:
+            service: object to interact with Remme core API.
+        """
+        self.service = service
+
+    def get_list(self, address):
+        """
+        Get a list of the addresses of the public keys by account address.
+        """
+        try:
+            public_key_addresses = loop.run_until_complete(
+                self.service.public_key_storage.get_account_public_keys(address=address),
+            )
+
+        except Exception as error:
+            return None, str(error)
+
+        return {
+            'public_key_addresses': public_key_addresses,
+        }, None