coinbase/toshi — pull request #138 by rnicoll (2014-12-05 17:43:28+00:00)
Title: Add address subscription service

Add support for subscribing to payments received by standard addresses via websocket.
Add input matching as well as output as @aalness 's suggestion.
Add stricter error reporting in web socket API calls, for example if no valid option is provided when subscribing.
Add function for retrieving outputs matching a transaction's inputs.