feat: per-vault deposit cap / max-TVL guard [NF-04] - #128
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wumibals merged 9 commits intoJul 20, 2026
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…t-deposit-cap-max-tvl # Conflicts: # contracts/vault_l12/src/lib.rs # contracts/vault_l12/src/test.rs # contracts/vault_l3/src/lib.rs # contracts/vault_l3/src/test.rs # contracts/vault_l6/src/lib.rs # contracts/vault_l6/src/test.rs # contracts/vault_router/src/error.rs # contracts/vault_router/src/lib.rs
devwums
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Jul 20, 2026
wumibals
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Jul 20, 2026
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Summary
Adds a governance-controlled TVL cap to each tier vault (
vault_l3,vault_l6,vault_l12) and a correspondingset_max_tvl/vault_capacitypassthrough inVaultRouter.Changes per vault (vault_l3, vault_l6, vault_l12)
DepositCapExceeded = 5andUnauthorized = 6toVaultErrorDataKey::MaxTvl,DataKey::TotalBalance, andDataKey::Governanceinitialize()now takes agovernance: Addressandmax_tvl: i128argument; defaults to 1,000,000 USDC if zerodeposit()now tracksTotalBalanceand rejects withDepositCapExceedediftotal_balance + amount > max_tvlset_max_tvl(new_cap)— only callable by the registered Governance addressmax_tvl() -> i128andremaining_capacity() -> i128read-only querieswithdraw()andearly_exit()decrementTotalBalanceon position closeVaultRouter changes
initialize()now takesgovernance: Addressset_max_tvl(tier, new_cap)— gates on Governance auth, then passes through to the tier vaultvault_capacity(tier) -> VaultCapacity { max_tvl, remaining }— frontend capacity indicatorserror.rsgainsDepositCapExceeded = 5Tests
Each vault has new tests covering:
test_deposit_exactly_at_cap_succeedstest_deposit_above_cap_rejected(#[should_panic(expected = "DepositCapExceeded")])test_remaining_capacity_decreases_on_deposittest_set_max_tvl_by_governancetest_set_max_tvl_non_governance_rejected(#[should_panic])test_lower_cap_does_not_evict_existing_depositorAcceptance Criteria
DepositCapExceededset_max_tvlonly callable by Governance addressremaining_capacity()returns accurate valuecloses #79