Model checking correctness properties of electronic contracts

Solaiman, E; Molina-Jimenez, C; Shrivastava, S

doi:10.1007/978-3-540-24593-3_21

Model checking correctness properties of electronic contracts

Lookup NU author(s): Dr Ellis Solaiman ORCiD, Dr Carlos Molina-Jimenez, Emeritus Professor Santosh Shrivastava

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Abstract

Converting a conventional contract into an electronic equivalent is not trivial. The difficulties are caused by the ambiguities that the original human-oriented text is likely to contain. In order to detect and remove these ambiguities the contract needs to be described in a mathematically precise notation before the description can be subjected to rigorous analysis. This paper identifies and discusses a list of correctness requirements that a typical executable business contract should satisfy. Next the paper shows how relevant parts of standard conventional contracts can be described by means of Finite State Machines (FSMs). Such a description can then be subjected to model checking. The paper demonstrates this using Promela language and the Spin validator.