camelpac / alpaca-proxy-agent

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This is a project to help users of Alpaca to execute more than one data websocket connections against their servers.

Right now you can only connect one websocket with your user credentials. if you want to run more than one algorithm, you can't.
This project will help you achieve that. Look at this illustration to get the concept

It doesn't matter which sdk you are using (python, js, go, c#) you can use this to achieve that.

How to execute the docker container

You have 2 options:

• Using docker with the image from docker hub (easiest)
• Cloning the repo and using docker/docker-compose to build and run this project locally(a bit more powerful if you want to edit the proxy code)

Directly from docker hub

Nothing easier than that.

• Make sure you have docker installed
• make sure you have the updated image version by running this: docker pull camelpac/alpaca-proxy-agent
• Execute this command (this will use the free account data stream(iex). read further to learn how to enable the sip data stream): docker run -it -p 8765:8765 camelpac/alpaca-proxy-agent
  note: You can change the port you're listening on just by doing this -p xxxx:8765

Executing a local copy

• Clone the repo: git clone https://github.com/camelpac/alpaca-proxy-agent.git
• Run this command locally: docker-compose up
  It will build the image and run the container using docker-compose
  note: If you want to execute in edit mode do this: docker-compose -f dev.yml up
  You could then update main.py and execute it locally.

Available Arguments

There are a few env variables you could pass to your proxy-agent instance

• Data stream sip(paid account) or iex(free account)

You can do it like this:

• IS_PRO: if true use the sip data stream. if false, use the iex data stream. default value is false.

so you should execute this for the paid data stream:

 docker run -p 8765:8765 -it -e IS_PRO=true camelpac/alpaca-proxy-agent

and you should execute this for the free data stream:

 docker run -p 8765:8765 -it -e IS_PRO=false camelpac/alpaca-proxy-agent

Security

You are running a local websocket server. Make sure your IP is not accessible when you do (you probably shouldn't run this on public networks)
SSL between your algo and the proxy is not supported (it runs locally). between the proxy-agent and the Alpaca servers we use WSS