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7 sections covering the full protocol: Section 1 — Surplus Capture (7 rules): - surplus split conservation - user/filler share boundedness - protocol share non-negative - no capture on fair execution - disadvantaged field consistency - preview never reverts Section 2 — Pause Safety (3 rules): - swap reverts when paused - fill reverts when paused - cancel not blocked by pause Section 3 — Access Control (7 rules): - only owner can pause/unpause/setTreasury/setFeeRefundToggle - only pending owner can accept ownership - parametric: owner changes only via acceptOwnership - parametric: pause changes only via pause/unpause Section 4 — Reward Uniqueness (2 rules): - swapper reward is one-time - filler reward is one-time Section 5 — Fill Correctness (2 rules): - fill reduces balancesOut - fill minimum threshold enforced Section 6 — Cancel Correctness (2 rules): - cancel clears order state - only swapper cancels before expiry Section 7 — Invariants (2 invariants): - paused is boolean - owner is non-zero after init Uses ghost variables with Sstore hooks, Sload constraints, parametric rules, preserved blocks, mathint, definitions, biconditional assertions, and @withrevert patterns.
- conf file for certoraRun with via_ir, optimistic_loop, basic rule_sanity - includes AsyncSwap, IntentAuth, AsyncRouter, CurrencySettler in verification scene - run with: certoraRun --conf certora/AsyncSwapPricing.conf
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