BLVaultManagerLido
Inherits: Policy, IBLVaultManagerLido, RolesConsumer
Constants
MAX_FEE
uint32 public constant MAX_FEE = 10_000;
State Variables
MINTR
MINTRv1 public MINTR;
TRSRY
TRSRYv1 public TRSRY;
BLREG
BLREGv1 public BLREG;
ohm
address public ohm;
pairToken
address public pairToken;
aura
address public aura;
bal
address public bal;
exchangeName
string public exchangeName;
balancerData
BalancerData public balancerData;
auraData
AuraData public auraData;
auraMiningLib
IAuraMiningLib public auraMiningLib;
ohmEthPriceFeed
OracleFeed public ohmEthPriceFeed;
ethUsdPriceFeed
OracleFeed public ethUsdPriceFeed;
stethUsdPriceFeed
OracleFeed public stethUsdPriceFeed;
implementation
BLVaultLido public implementation;
vaultOwners
mapping(BLVaultLido => address) public vaultOwners;
userVaults
mapping(address => BLVaultLido) public userVaults;
totalLp
uint256 public totalLp;
deployedOhm
uint256 public deployedOhm;
circulatingOhmBurned
uint256 public circulatingOhmBurned;
ohmLimit
uint256 public ohmLimit;
currentFee
uint64 public currentFee;
minWithdrawalDelay
The minimum length of time between a deposit and a withdrawal
uint48 public minWithdrawalDelay;
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint48 |
isLidoBLVaultActive
bool public isLidoBLVaultActive;
Functions
constructor
constructor(
Kernel kernel_,
TokenData memory tokenData_,
BalancerData memory balancerData_,
AuraData memory auraData_,
address auraMiningLib_,
OracleFeed memory ohmEthPriceFeed_,
OracleFeed memory ethUsdPriceFeed_,
OracleFeed memory stethUsdPriceFeed_,
address implementation_,
uint256 ohmLimit_,
uint64 fee_,
uint48 minWithdrawalDelay_
) Policy(kernel_);
Parameters
| Name | Type | Description |
|---|---|---|
| kernel_ | Kernel | |
| tokenData_ | TokenData | |
| balancerData_ | BalancerData | |
| auraData_ | AuraData | |
| auraMiningLib_ | address | |
| ohmEthPriceFeed_ | OracleFeed | |
| ethUsdPriceFeed_ | OracleFeed | |
| stethUsdPriceFeed_ | OracleFeed | |
| implementation_ | address | |
| ohmLimit_ | uint256 | |
| fee_ | uint64 | |
| minWithdrawalDelay_ | uint48 |
configureDependencies
Define module dependencies for this policy.
function configureDependencies() external override returns (Keycode[] memory dependencies);
Returns
| Name | Type | Description |
|---|---|---|
| dependencies | Keycode[] | - Keycode array of module dependencies. |
requestPermissions
Function called by kernel to set module function permissions.
function requestPermissions()
external
view
override
returns (Permissions[] memory permissions);
Returns
| Name | Type | Description |
|---|---|---|
| permissions | Permissions[] | - Array of keycodes and function selectors for requested permissions. |
onlyWhileActive
modifier onlyWhileActive();
onlyVault
modifier onlyVault();
deployVault
Deploys a personal single sided vault for the user
The vault is deployed with the user as the owner
function deployVault() external override onlyWhileActive returns (address vault);
Returns
| Name | Type | Description |
|---|---|---|
| vault | address | vault The address of the deployed vault |
mintOhmToVault
Mints OHM to the caller
Can only be called by an approved vault
function mintOhmToVault(uint256 amount_) external override onlyWhileActive onlyVault;
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of OHM to mint |
burnOhmFromVault
Burns OHM from the caller
Can only be called by an approved vault. The caller must have an OHM approval for the MINTR.
function burnOhmFromVault(uint256 amount_) external override onlyWhileActive onlyVault;
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of OHM to burn |
increaseTotalLp
Increases the tracked value for totalLP
Can only be called by an approved vault
function increaseTotalLp(uint256 amount_) external override onlyWhileActive onlyVault;
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of LP tokens to add to the total |
decreaseTotalLp
Decreases the tracked value for totalLP
Can only be called by an approved vault
function decreaseTotalLp(uint256 amount_) external override onlyWhileActive onlyVault;
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of LP tokens to remove from the total |
canWithdraw
Returns whether enough time has passed since the last deposit for the user to be ale to withdraw
function canWithdraw(address user_) external view override returns (bool);
Parameters
| Name | Type | Description |
|---|---|---|
| user_ | address | The user to check the vault of |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | bool | bool Whether enough time has passed since the last deposit for the user to be ale to withdraw |
getLpBalance
Returns the user's vault's LP balance
function getLpBalance(address user_) external view override returns (uint256);
Parameters
| Name | Type | Description |
|---|---|---|
| user_ | address | The user to check the vault of |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 The user's vault's LP balance |
getUserPairShare
Returns the user's vault's claim on wstETH
function getUserPairShare(address user_) external view override returns (uint256);
Parameters
| Name | Type | Description |
|---|---|---|
| user_ | address | The user to check the vault of |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 The user's vault's claim on wstETH |
getOutstandingRewards
Returns the user's vault's unclaimed rewards in Aura
function getOutstandingRewards(
address user_
) external view override returns (RewardsData[] memory);
Parameters
| Name | Type | Description |
|---|---|---|
| user_ | address | The user to check the vault of |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | RewardsData[] | RewardsData[] The user's vault's unclaimed rewards in Aura |
getMaxDeposit
Calculates the max wstETH deposit based on the limit and current amount of OHM minted
function getMaxDeposit() external view override returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 The max wstETH deposit |
getExpectedLpAmount
Calculates the amount of LP tokens that will be generated for a given amount of wstETH
This is an external function but should only be used in a callstatic from an external source like the frontend.
function getExpectedLpAmount(uint256 amount_) external override returns (uint256 bptAmount);
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of wstETH to calculate the LP tokens for |
Returns
| Name | Type | Description |
|---|---|---|
| bptAmount | uint256 | uint256 The amount of LP tokens that will be generated |
getExpectedTokensOutProtocol
Calculates the amount of OHM and pair tokens that should be received by the vault for withdrawing a given amount of LP tokens
This is an external function but should only be used in a callstatic from an external source like the frontend.
function getExpectedTokensOutProtocol(
uint256 lpAmount_
) external override returns (uint256[] memory expectedTokenAmounts);
Parameters
| Name | Type | Description |
|---|---|---|
| lpAmount_ | uint256 | The amount of LP tokens to calculate the OHM and pair tokens for |
Returns
| Name | Type | Description |
|---|---|---|
| expectedTokenAmounts | uint256[] | The amount of OHM and pair tokens that should be received |
getExpectedPairTokenOutUser
Calculates the amount of pair tokens that should be received by the user for withdrawing a given amount of LP tokens after the treasury takes any arbs
function getExpectedPairTokenOutUser(
uint256 lpAmount_
) external override returns (uint256 expectedTknAmount);
Parameters
| Name | Type | Description |
|---|---|---|
| lpAmount_ | uint256 | The amount of LP tokens to calculate the pair tokens for |
Returns
| Name | Type | Description |
|---|---|---|
| expectedTknAmount | uint256 | The amount of pair tokens that should be received |
getRewardTokens
Gets all the reward tokens from the Aura pool
function getRewardTokens() external view override returns (address[] memory);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | address[] | address[] The addresses of the reward tokens |
getRewardRate
Gets the reward rate (tokens per second) of the passed reward token
function getRewardRate(
address rewardToken_
) external view override returns (uint256 rewardRate);
Parameters
| Name | Type | Description |
|---|---|---|
| rewardToken_ | address |
Returns
| Name | Type | Description |
|---|---|---|
| rewardRate | uint256 | uint256 The reward rate (tokens per second) |
getPoolOhmShare
Returns the amount of OHM in the pool that is owned by this vault system.
function getPoolOhmShare() public view override returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 The amount of OHM in the pool that is owned by this vault system. |
getOhmSupplyChangeData
Gets the net OHM emitted or removed by the system since inception
function getOhmSupplyChangeData()
external
view
override
returns (uint256 poolOhmShare, uint256 mintedOhm, uint256 netBurnedOhm);
Returns
| Name | Type | Description |
|---|---|---|
| poolOhmShare | uint256 | uint256 Vault system's current claim on OHM from the Balancer pool |
| mintedOhm | uint256 | uint256 Current amount of OHM minted by the system into the Balancer pool |
| netBurnedOhm | uint256 | uint256 OHM that wasn't minted, but was previously circulating that has been burned by the system |
getOhmTknPrice
Gets the number of OHM per 1 wstETH using oracle prices
function getOhmTknPrice() public view override returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 OHM per 1 wstETH (9 decimals) |
getTknOhmPrice
Gets the number of wstETH per 1 OHM using oracle prices
function getTknOhmPrice() public view override returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 wstETH per 1 OHM (18 decimals) |
getOhmTknPoolPrice
Gets the number of OHM per 1 wstETH using pool prices
function getOhmTknPoolPrice() public view override returns (uint256);
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 | uint256 OHM per 1 wstETH (9 decimals) |
emergencyBurnOhm
Emergency burns OHM that has been sent to the manager in the event a user had to emergency withdraw
Can only be called by the admin
function emergencyBurnOhm(uint256 amount_) external override onlyRole("liquidityvault_admin");
Parameters
| Name | Type | Description |
|---|---|---|
| amount_ | uint256 | The amount of OHM to burn |
setLimit
Updates the limit on minting OHM
Can only be called by the admin. Cannot be set lower than the current outstanding minted OHM.
function setLimit(uint256 newLimit_) external override onlyRole("liquidityvault_admin");
Parameters
| Name | Type | Description |
|---|---|---|
| newLimit_ | uint256 | The new OHM limit (9 decimals) |
setFee
Updates the fee on reward tokens
Can only be called by the admin. Cannot be set beyond 10_000 (100%). Only is used by vaults deployed after the update.
function setFee(uint64 newFee_) external override onlyRole("liquidityvault_admin");
Parameters
| Name | Type | Description |
|---|---|---|
| newFee_ | uint64 | The new fee (in basis points) |
setWithdrawalDelay
Updates the minimum holding period before a user can withdraw
Can only be called by the admin
function setWithdrawalDelay(
uint48 newDelay_
) external override onlyRole("liquidityvault_admin");
Parameters
| Name | Type | Description |
|---|---|---|
| newDelay_ | uint48 | The new minimum holding period (in seconds) |
changeUpdateThresholds
Updates the time threshold for oracle staleness checks
Can only be called by the admin
function changeUpdateThresholds(
uint48 ohmEthUpdateThreshold_,
uint48 ethUsdUpdateThreshold_,
uint48 stethUsdUpdateThreshold_
) external onlyRole("liquidityvault_admin");
Parameters
| Name | Type | Description |
|---|---|---|
| ohmEthUpdateThreshold_ | uint48 | The new time threshold for the OHM-ETH oracle |
| ethUsdUpdateThreshold_ | uint48 | The new time threshold for the ETH-USD oracle |
| stethUsdUpdateThreshold_ | uint48 | The new time threshold for the stETH-USD oracle |
activate
Activates the vault manager and all approved vaults
Can only be called by the admin
function activate() external override onlyRole("liquidityvault_admin");
deactivate
Deactivates the vault manager and all approved vaults
Can only be called by the admin
function deactivate() external override onlyRole("emergency_admin");
_validatePrice
function _validatePrice(
AggregatorV3Interface priceFeed_,
uint48 updateThreshold_
) internal view returns (uint256);
Parameters
| Name | Type | Description |
|---|---|---|
| priceFeed_ | AggregatorV3Interface | |
| updateThreshold_ | uint48 |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 |
Events
VaultDeployed
event VaultDeployed(address vault, address owner, uint64 fee);
Parameters
| Name | Type | Description |
|---|---|---|
| vault | address | |
| owner | address | |
| fee | uint64 |
Errors
BLManagerLido_AlreadyActive
error BLManagerLido_AlreadyActive();
BLManagerLido_AlreadyInactive
error BLManagerLido_AlreadyInactive();
BLManagerLido_Inactive
error BLManagerLido_Inactive();
BLManagerLido_InvalidVault
error BLManagerLido_InvalidVault();
BLManagerLido_LimitViolation
error BLManagerLido_LimitViolation();
BLManagerLido_InvalidLpAmount
error BLManagerLido_InvalidLpAmount();
BLManagerLido_InvalidLimit
error BLManagerLido_InvalidLimit();
BLManagerLido_InvalidFee
error BLManagerLido_InvalidFee();
BLManagerLido_BadPriceFeed
error BLManagerLido_BadPriceFeed();
BLManagerLido_VaultAlreadyExists
error BLManagerLido_VaultAlreadyExists();
BLManagerLido_NoUserVault
error BLManagerLido_NoUserVault();