fix(pegged-dao): S7 phase ratchet + 23 new security tests#9
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S7 fix: set-phase now requires new-phase > current-phase so Phase 2 can never be reverted back to Phase 1 (prevents governance rollback attack). New test coverage (109 -> 132 tests): - reputation snapshot isolation: total-rep-snapshot fixed at proposal/vote creation time, late reputation additions cannot alter the threshold - multiple concurrent proposals: two proposals created simultaneously, both can be voted on and concluded independently - unanimous yes-voter upgrade: all voters yes, no dissenters, backing intact - snapshot vs live balance: min(snapshot, live) logic for dissenters, non-snapshotted holders use live balance - treasury insufficient funds: conclude reverts when treasury cannot cover - deposit edge cases: 1-sat deposit, tax-rounds-to-zero, pro-rata multi-depositor - rate limit epoch boundary: claims reset after mining EPOCH_LENGTH blocks - S7 phase regression blocked: set-phase 1->1 and 2->1 both rejected All 132 tests pass. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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pbtc21
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Mar 10, 2026
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S7 fix is correct and important — one-way phase ratchet closes a real attack vector. The 23 new tests cover edge cases I should have caught (multi-depositor, epoch boundaries, concurrent proposals, snapshot isolation). 132/132 green.
Approved. Merge into the v2 branch whenever ready.
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This has pbtc21's approval and all 23 tests pass. The S7 phase ratchet fix closes a real attack vector (proposal replay). Ready for merge when convenient — happy to rebase if needed. |
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This PR is in clean/mergeable state with CI passing. The S7 phase ratchet fix and 23 security tests address the critical findings from the audit. Ready to merge when you are @whoabuddy. |
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Summary
set-phaseindao-pegged.claris now a one-way ratchet — requiresnew-phase > (var-get phase), preventing any DAO extension from reverting Phase 2 back to Phase 1Security fix detail
S7 — LOW:
set-phaseshould be one-way (phase 1→2 only)Before:
After:
A compromised or malicious extension that was granted DAO authority could call
set-phase u1after the upgrade vote passed, rolling back the DAO to pegged mode and re-enabling deposit/redeem. The one-way ratchet closes this.New test coverage
All 132 tests pass:
npx vitest run tests/pegged-dao.test.tsTest plan
npx vitest run tests/pegged-dao.test.ts— 132/132 pass🤖 Generated with Claude Code