Gilbert Wong is interested in adding additional settlement options to OpenACS 4 ecommerce, to (he's doing the port to PG). You guys ought to touch base.
Also, Neophtyos and Kapil have been designing an ACS Services Contract
which will replace acs-interfaces with something somewhat more feature-complete. Among other things this package will act as an intermediate between packages that need to communicate. Setting up the ecommerce requirements for interfacing to various payment gateways
would simplify the writing of drop-in packages to them.
Expect more information on ACS Services Contract in a week or so.
