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catalyst/README.md
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2012-01-09 15:32:50 -05:00

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# qbt - Quantopian Backtesting Services
##Development Quickstart
Navigate to your mongodb installation and start your db server:
~~~
./bin/mongodb
~~~
Install the necessary python libraries:
~~~
easy_install tornado pymongo
~~~
Create a development database with sample data, will create one qbt user:
~~~
python qbt_data_bootstrap.py --user_email=... --password=...
~~~
To run the qbt against a local mongodb instance, navigate to the source dir and run
~~~
python qbt_server.py --mongodb_dbname=qbt
~~~
To see all the available options:
~~~
python qbt_server.py --help
~~~
or
~~~
python qbt_data_bootstrap.py --help
~~~
qbt uses tornado to accept synchronous requests for backtesting sessions.
The client of a backtesting session first invokes the _backtest_ endpoint:
http://serverip/backtest?startdate=<>&enddate=<>...
qbt will respond with a json object describing the session:
- backtest id, to be referenced in all further requests
- zeromq connection information for the event stream
A backtesting session is comprised of:
- REST endpoint to request orders
- an event stream delivered via zeromq
## Pre-requisites
You need to have the tornado and pymongo eggs installed:
easy_install tornado pymongo
You need to have mongodb installed and running. Find your system at http://www.mongodb.org/downloads and set it up.
### Database and Collections expected in MongoDB ###
QBT requires a running mongodb instance with a few collections:
- user collection. See handlers.BaseHandler and handlers.LoginHandler for code using this collection. Documents must have:
- email - standard email address
- salt - sha256 hex of: datetime.utcnow()--password
- encrypted_password - an sha256 hex digest of: salt--password
- _id - standard issue mongodb primary key
## Authenticating
## Requesting a Backtest