ParameterRegistry
Inherits: IParameterRegistry, Ownable
Stores hard caps and per-transaction relative ranges that bound keeper operations.
Only the Governor (admin role) can modify values. Each SPA has its own ParameterRegistry
State Variables
MIN_MULTIPLIER
uint256 private constant MIN_MULTIPLIER = 1e10;
MAX_A
uint256 private constant MAX_A = 10 ** 6;
MAX_DECREASE_PCT_A
uint64 private constant MAX_DECREASE_PCT_A = 0.9e10;
MAX_INCREASE_PCT_A
uint64 private constant MAX_INCREASE_PCT_A = 9e10;
spa
SPA this registry is connected
SelfPeggingAsset public spa;
bounds
mapping(ParamKey => Bounds) public bounds;
Functions
constructor
constructor(address _governor, address _spa) Ownable(_governor);
setBounds
Updates the bounds for a specific parameter.
Only callable by an authorized governor.
function setBounds(ParamKey key, Bounds calldata newBounds) external onlyOwner;
Parameters
| Name | Type | Description |
|---|---|---|
key | ParamKey | The parameter key to update. |
newBounds | Bounds | The new bounds structure to apply. |
aParams
function aParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the 'A' coefficient parameter |
swapFeeParams
function swapFeeParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the swap fee |
mintFeeParams
function mintFeeParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the mint fee |
redeemFeeParams
function redeemFeeParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the redeem fee |
offPegParams
function offPegParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the off-peg multiplier |
exchangeRateFeeParams
function exchangeRateFeeParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for exchange rate fee changes |
decayPeriodParams
function decayPeriodParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for decay period |
rateChangeSkipPeriodParams
function rateChangeSkipPeriodParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the rate change skip period |
feeErrorMarginParams
function feeErrorMarginParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the fee error margin |
yieldErrorMarginParams
function yieldErrorMarginParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the yield error margin |
minRampTimeParams
function minRampTimeParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the minimum ramp time |
bufferPercentParams
function bufferPercentParams() external view returns (Bounds memory);
Returns
| Name | Type | Description |
|---|---|---|
<none> | Bounds | Bounds for the buffer percentage |