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Merge pull request 'fix: ARCHITECTURE.md omits conditional guard on feeDestination exclusion (#663)' (#890) from fix/issue-663 into master

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johba 2026-03-16 19:27:23 +01:00
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@ -35,7 +35,7 @@ Optimizer.sol (UUPS Upgradeable Proxy)
- **Optimizer upgrades**: UUPS proxy, admin-only `_authorizeUpgrade()`
- **feeDestination receives both WETH and KRK fees**: during `recenter()`, Uniswap V3 fee collection produces both tokens. WETH fees AND KRK fees are forwarded to `feeDestination` (see `LiquidityManager._scrapePositions()`).
- **feeDestination is a conditional-lock (not set-once)**: `setFeeDestination()` (deployer-only) allows repeated changes while the destination is an EOA, enabling staged deployment and testing. The moment a contract address is set, `feeDestinationLocked` is set to `true` and no further changes are allowed. A CREATE2 guard also blocks re-assignment if the current destination has since acquired bytecode. This differs from Kraiken's `liquidityManager`/`stakingPool` which are strictly set-once.
- **feeDestination KRK excluded from outstanding supply**: `_getOutstandingSupply()` subtracts `kraiken.balanceOf(feeDestination)` before computing scarcity, because protocol-held KRK cannot be sold into the floor and should not inflate the supply count.
- **feeDestination KRK excluded from outstanding supply**: `_getOutstandingSupply()` subtracts `kraiken.balanceOf(feeDestination)` before computing scarcity, because protocol-held KRK cannot be sold into the floor and should not inflate the supply count. This subtraction only occurs when `feeDestination != address(0) && feeDestination != address(this)` (see `LiquidityManager.sol:324`); when feeDestination is unset or is LM itself the balance is not subtracted.
- **Staking pool KRK excluded from outstanding supply**: `_getOutstandingSupply()` also subtracts `kraiken.balanceOf(stakingPoolAddr)`, because staked KRK is locked and similarly cannot be sold into the floor.
## Three-Position Strategy