Conformance tests and soundness proof in Agda #170
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Get delta parameter from the network Co-authored-by: Yves Hauser <[email protected]>
Implemented `chainWeight` in Agda and reorganized packages and build
Implemented postulates needed for quickcheck model
* Unification in `newVote-preconditions` did not work anymore and providing refl as prf was failing * Splitting up the voting rules might be helpful in the soundness proof
The conformance test was failing for 2 reasons: 1. The maximumBy function was wrong, it actually was minimumBy 2. The preferred chain selection logic did not select the same chain in case of weight ties
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It's all green, I suggest we merge this and create another branch for the soundness proof completion, WDYT @yveshauser ? |
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This change provides an Agda-based conformance test suite for the voting logic of Peras protocol, and a skeleton for the soundness proof. Some details about the changes: * Use of IOG Agda prelude * Update test model to align with spec (T = 0, Δ = 0) * Aligned versions of `agda` and `agda2hs` in nix. * Compiles under `agda2hs`. * Moved `peras-hs` into `peras-simulation`. * Implemented crypto and various helper functions in Agda * Relocated conformance-related and prototype modules * Added property-based test for prototype against Agda spec. * Split up the voting rules which might be helpful in the soundness proof Note the conformance test was initially failing for 2 reasons: 1. The maximumBy function was wrong, it actually was minimumBy 2. The preferred chain selection logic did not select the same chain in case of weight ties --------- Co-authored-by: Ulf Norell <[email protected]> Co-authored-by: Yves Hauser <[email protected]> Co-authored-by: Brian W. Bush <[email protected]>
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