feat: Create two APIs for data operations

backend-services/.env

@@ -0,0 +1,4 @@
+PRIMARY_ORIGIN="http://www.localhost:8000"
+VAULT_DB_CONNECTION_STRING="mongodb://ntls:Mw6fvOK3BQCyPYKsw7OjMFrwdWBNrWE9S3edoJWNsxp34jtDnDTfwZCXAIw4uQE1NWHxRPC0AcVuACDbM3LMQg==@ntls.mongo.cosmos.azure.com:10255/?ssl=true&replicaSet=globaldb&retrywrites=false&maxIdleTimeMS=120000&appName=@ntls@"
+VAULT_DB_NAME="vault"
+VAULT_DB_BOOKMARK_COLLECTION_NAME="datasets"

backend-services/.gitignore

@@ -0,0 +1,6 @@
+__pycache__
+/.env
+/.mypy_cache
+/.python-version
+/.tox
+/dist

backend-services/README.md

@@ -0,0 +1,110 @@
+# Wallet Backend Services
+
+An HTTP server backend for the Nautilus Wallet powered by [FastAPI][fastapi] and
+the [uvicorn ASGI server][uvicorn].
+
+- [Setup](#setup)
+- [Quick Start](#quick-start)
+
+[fastapi]: https://fastapi.tiangolo.com/
+[uvicorn]: https://www.uvicorn.org/
+
+## Setup
+
+In order to proceed, one needs to have the `poetry` dependency management and
+packaging tool installed. Unless a recent version is available via your OS
+package manager, as it would be on Arch Linux and friends :), the recommended
+means of installing `poetry` is via the well-established `pipx` tool as
+described in [their documentation][pipx-install].
+
+Once `pipx` is installed, installing `poetry` is as simple as
+
+```shell
+pipx install poetry
+```
+
+If you are simply looking for the API docs you may now skip ahead to the
+[following section][#quick-start], you should also install the `pyenv` tool as
+it is invaluable in managing your project-specific and shell-specific virtual
+environments. This is again as simple as
+
+```shell
+pipx install pyenv
+```
+
+If you use `bash` as your shell then copy the following to your
+`~/.bash_profile`, if it exists, or otherwise to `~/.profile`
+
+```bash
+# you may ignore this line if it is already set in your config
+export XDG_DATA_HOME="$HOME/.local/share"
+
+export PYENV_ROOT="$XDG_DATA_HOME/pyenv"
+command -v pyenv >/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
+eval "$(pyenv init -)"
+```
+
+and copy the same last line to your `~/.bashrc`
+
+```bash
+eval "$(pyenv init -)"
+```
+
+Make sure to log out (and back in of course) or, alternatively, restart your
+machine. Once you are back in the `backend-services` sub-directory of the
+project run
+
+```shell
+pyenv local 3.{10,11}
+```
+
+[pipx-install]: https://python-poetry.org/docs/#installation
+
+## Quick Start
+
+In the root of the Python project, where the `pyproject.toml` is located, run
+the following command:
+
+```shell
+poetry install
+```
+
+Make sure the following environment variables have been set in your local `.env` file:
+
+- `WALLET_DB_CONNECTION_STRING`
+- `WALLET_DB_DATABASE_NAME`
+- `WALLET_BOOKMARK_DB_COLLECTION_NAME`
+
+For examples you may consult the [python-dotenv] documentation. Once this is done, a local instance of the server may be started on `localhost:8000` by running
+
+```shell
+poetry run uvicorn web_asgi.main:app
+```
+
+The **Swagger/OpenAPI documentation** for this server is now accessible via
+[localhost][localhost-docs].
+
+If you would like to run the tests for the project locally, simply invoke
+
+```shell
+poetry run tox
+```
+
+Note that `poetry` creates and keeps track of project-related `python` virtual
+environments on your behalf via your IDE (an IDE plugin might be necessary) or
+from the command line. Run
+
+```shell
+poetry env info
+```
+
+for details about available environments for your current project. If you would
+like to spawn a shell inside the current `poetry` virtual environment this may
+be done via
+
+```shell
+poetry shell
+```
+
+[localhost-docs]: http://localhost:8000/docs
+[python-dotenv]: https://github.com/theskumar/python-dotenv#getting-started