Aries Framework for .NET [ARCHIVED]

⚠️ This project is archived and no longer maintained. The repository is kept for historical purposes and is read-only.

The work is continued at Open Wallet Foundation (OWF): https://github.com/openwallet-foundation-labs/wallet-framework-dotnet

Aries Framework for .NET is a comprehensive implementation of the Aries protocols. It's purpose is to provide a universal library for building SSI application for the cloud, mobile and IoT stack.

Table of Contents

Aries Framework for .NET [ARCHIVED]

Environment Setup

Prerequisites

Install .NET Core
Install libindy for your platform

Installation

Aries Framework for .NET comes as a Nuget package available at nuget.org

PM> Install-Package Hyperledger.Aries

If you are developing a web application, also install Hyperledger.Aries.AspNetCore package.

Quickstart Guide

The framework fully leverages the .NET Core hosting model with full integration of dependency injection, configuration and hosting services.

Create new web application

Using your favorite editor, create new web project. You can also create a project from the console.

dotnet new web -o AriesAgent

To setup your agent use the Startup.cs file to configure the framework.

Add the framework dependencies

Use the IServiceCollection extensions to add the dependent services to your application in the ConfigureServices(IServiceCollection services) method. Upon startup, the framework will create and configure your agent.

services.AddAriesFramework(builder =>
{
    builder.RegisterAgent(options =>
    {
        options.EndpointUri = "http://localhost:5000/";
    });
});

Note: If you'd like your agent to be accessible publically, use Ngrok to setup a public host and use that as the EndpointUri. When changing the endpoints, make sure you clear any previous wallets with the old configuration. Wallet data files are located in ~/.indy_client/wallet

For a list of all configuration options, check the AgentOptions.cs file.

Register the agent middleware

When running web applications, register the agent middleware in the Configure(IApplicationBuilder app, IWebHostEnvironment env) method. This will setup a middleware in the AspNetCore pipeline that will respond to incoming agent messages.

app.UseAriesFramework();

That's it. Run your project.

Demo

With Docker installed, run

docker-compose up

This will create an agent network with a pool of 4 indy nodes and 2 agents able to communicate with each other in the network. Navigate to http://localhost:7000 and http://localhost:8000 to create and accept connection invitations between the different agents.

Testing

To run the unit tests, the following dependencies also must be installed:

Docker

Install libindy library

Follow the build instructions for your OS on the Hyperledger Indy SDK Readme.

For macOS, if you get a 'indy' DLL not found exception, move the built libindy.dylib file to the test/Hyperledger.Aries.Tests/bin/Debug/netcoreapp3.1/ directory to explicitly add it to the path.

Run an indy node pool on localhost

docker build --build-arg pool_ip=127.0.0.1 -f docker/indy-pool.dockerfile -t indy_pool docker/
docker run -itd -p 9701-9709:9701-9709 indy_pool

Run an indy node pool on server

# replace <ip_address> with server IP address
docker build --build-arg pool_ip=<ip_address> -f docker/indy-pool.dockerfile -t indy_pool docker/
docker run -itd -p <ip_address>:9701-9709:9701-9709 indy_pool

Run the tests

First, edit the keyword in the scripts/tester.sh file to select the tests you want to run. Then, run the script

scripts/tester.sh

License

Apache License Version 2.0

License

hyperledger-aries/aries-framework-dotnet

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