Contract law for computers

A computer protocol for transactions has to stand scrutiny of contract law:
http://34.208.7.206/ContractsPage.aspx


*Contract "events"*
Offer:  description of value the originator of the contract is selling.
Terms:  value wanted OR a constraint/legal term.
Counter:  formal offer during price and/or terms negotiation.
Agree:  Indicates a legal contract.
Deliver:  Full or partial delivery of value.
Received:  Person has received Delivery.
Complete:  Contract fulfilled.
Close:  Closing the contract for whatever reason.
Notice:  A legal or system notice about the contract.



*States of a contract*
Initiated
Legal Offer  (Offer & Terms are specified)
Negotiation
Contracted  (Terms were agreed upon)
Delivery
Complete or Closed/Cancelled


Suggestions, feedback, and assistance is welcome.