Peridottroller

SimplePeridottroller is the protocol’s risk engine. It aggregates collateral and debt across markets, enforces borrow and redeem checks, and coordinates liquidations and rewards.

Responsibilities

• Compute account liquidity and shortfall in USD terms.

• Enforce collateral factors and market caps.

• Gate borrows and redeems for all markets.

• Manage liquidations and seize flows.

• Accrue and mint PeridotToken rewards.

Key Functions

• add_market(market) Register a new ReceiptVault market.

• enter_market(user, market) Adds a market to the user's collateral set.

• account_liquidity(user) -> (liquidity, shortfall) Returns USD liquidity/shortfall for the user.

• hypothetical_liquidity(user, market, redeem_tokens, borrow_amount) Dry-run to check post-action liquidity.

• hypothetical_liquidity_with_hint(user, market, redeem_tokens, borrow_amount, hint) Same as above, with same-market collateral hint to avoid re-entry.

• liquidate(borrower, liquidator, repay_market, seize_market, repay_amount) Core liquidation entrypoint.

• get_price_usd(token) Oracle price in USD (scaled).

• claim(user) Mint accrued PeridotToken rewards.

Events

• MarketAdded

• MarketRemoved

• Liquidation

• PeridotTokenSet

• RewardsClaimed