Automatically modeling swap participation

aterga · July 16, 2024, 4:31pm

While thinking about how to generate optimal testing scenarios for SNS swaps, I wrote a little SMT model that seems to work quite well with the Z3 SMT solver. It allows automatically generating participations that satisfy a bunch of constraints.

Sharing the model in case it might be useful for others.

gist.github.com

https://gist.github.com/aterga/be7e3a81004b452cf09a7c3b2c1e0d76

model-sns-swap-participations.smt2

(define-fun e8s ((x Int)) Int (* x 100000000))

; Example values based on parameterf from here:
; https://nns.ic0.app/proposal/?u=qoctq-giaaa-aaaaa-aaaea-cai&proposal=131075
(define-const minimum_participants Int 50)
(define-const minimum_direct_participation_icp Int (e8s 50000))
(define-const maximum_direct_participation_icp Int (e8s 250000))
(define-const minimum_participant_icp Int (e8s 10))
(define-const maximum_participant_icp Int (e8s 50000))

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Questions and suggestion are welcome!

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Automatically modeling swap participation

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