IYieldShift

Git Source

Author: Quantillon Labs - Nicolas Bellengé - @chewbaccoin

Interface for YieldShift dynamic yield redistribution

Note: security-contact: team@quantillon.money

Functions

initialize

Initializes the YieldShift contract

Sets up the yield shift contract with initial configuration and assigns roles to admin

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function initialize(
    address admin,
    address _usdc,
    address _userPool,
    address _hedgerPool,
    address _aaveVault,
    address _stQEURO,
    address _timelock,
    address _treasury
) external;

Parameters

Name	Type	Description
`admin`	`address`	Admin address
`_usdc`	`address`	USDC token address
`_userPool`	`address`	UserPool address
`_hedgerPool`	`address`	HedgerPool address
`_aaveVault`	`address`	Aave vault address
`_stQEURO`	`address`	stQEURO token address
`_timelock`	`address`	Timelock contract address
`_treasury`	`address`	Treasury address

updateYieldDistribution

Update yield distribution according to pool balances

Recalculates and updates yield distribution based on current pool balances

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function updateYieldDistribution() external;

addYield

Add new yield to be distributed

Adds new yield from various sources to the distribution pool

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function addYield(uint256 yieldAmount, bytes32 source) external;

Parameters

Name	Type	Description
`yieldAmount`	`uint256`	Yield amount in USDC equivalent
`source`	`bytes32`	Source identifier (e.g., "aave", "fees")

claimUserYield

Claim pending yield for a user

Claims all pending yield for a specific user from the user pool

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function claimUserYield(address user) external returns (uint256 yieldAmount);

Parameters

Name	Type	Description
`user`	`address`	Address of the user

Returns

Name	Type	Description
`yieldAmount`	`uint256`	Yield amount claimed

claimHedgerYield

Claim pending yield for a hedger

Claims all pending yield for a specific hedger from the hedger pool

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function claimHedgerYield(address hedger) external returns (uint256 yieldAmount);

Parameters

Name	Type	Description
`hedger`	`address`	Address of the hedger

Returns

Name	Type	Description
`yieldAmount`	`uint256`	Yield amount claimed

getCurrentYieldShift

Current yield shift percentage (bps)

Returns the current yield shift percentage in basis points

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getCurrentYieldShift() external view returns (uint256);

Returns

Name	Type	Description
`<none>`	`uint256`	Current yield shift percentage in basis points

getUserPendingYield

Pending yield amounts

Returns the amount of pending yield for a specific user

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getUserPendingYield(address user) external view returns (uint256);

Parameters

Name	Type	Description
`user`	`address`	Address of the user

Returns

Name	Type	Description
`<none>`	`uint256`	Pending yield amount for the user

getHedgerPendingYield

Pending yield amounts

Returns the amount of pending yield for a specific hedger

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getHedgerPendingYield(address hedger) external view returns (uint256);

Parameters

Name	Type	Description
`hedger`	`address`	Address of the hedger

Returns

Name	Type	Description
`<none>`	`uint256`	Pending yield amount for the hedger

getTotalYieldGenerated

Total yield generated to date

Returns the total amount of yield generated since inception

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getTotalYieldGenerated() external view returns (uint256);

Returns

Name	Type	Description
`<none>`	`uint256`	Total yield generated amount

getYieldDistributionBreakdown

Yield distribution breakdown

Returns the current yield allocation breakdown between users and hedgers

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getYieldDistributionBreakdown() external view returns (uint256 userAllocation, uint256 hedgerAllocation);

Returns

Name	Type	Description
`userAllocation`	`uint256`	Current allocation to users
`hedgerAllocation`	`uint256`	Current allocation to hedgers

getPoolMetrics

Current pool metrics

Returns current pool size metrics and ratios

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getPoolMetrics() external view returns (uint256 userPoolSize, uint256 hedgerPoolSize, uint256 poolRatio);

Returns

Name	Type	Description
`userPoolSize`	`uint256`	User pool size
`hedgerPoolSize`	`uint256`	Hedger pool size
`poolRatio`	`uint256`	Ratio (bps) user/hedger

calculateOptimalYieldShift

Calculate optimal yield shift based on current metrics

Calculates the optimal yield shift based on current pool metrics

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function calculateOptimalYieldShift() external view returns (uint256 optimalShift, uint256 currentDeviation);

Returns

Name	Type	Description
`optimalShift`	`uint256`	Optimal shift (bps)
`currentDeviation`	`uint256`	Current deviation from optimal

getYieldSources

Yield source amounts

Returns yield amounts from different sources

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getYieldSources()
    external
    view
    returns (uint256 aaveYield, uint256 protocolFees, uint256 interestDifferential, uint256 otherSources);

Returns

Name	Type	Description
`aaveYield`	`uint256`	Aave yield amount
`protocolFees`	`uint256`	Protocol fees amount
`interestDifferential`	`uint256`	Interest differential amount
`otherSources`	`uint256`	Other sources amount

getHistoricalYieldShift

Historical yield shift statistics for a period

Returns historical yield shift statistics for a specified time period

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getHistoricalYieldShift(uint256 period)
    external
    view
    returns (uint256 averageShift, uint256 maxShift, uint256 minShift, uint256 volatility);

Parameters

Name	Type	Description
`period`	`uint256`	Time period in seconds

Returns

Name	Type	Description
`averageShift`	`uint256`	Average shift over period
`maxShift`	`uint256`	Maximum shift over period
`minShift`	`uint256`	Minimum shift over period
`volatility`	`uint256`	Volatility measure

getYieldPerformanceMetrics

Yield performance metrics

Returns comprehensive yield performance metrics

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getYieldPerformanceMetrics()
    external
    view
    returns (
        uint256 totalYieldDistributed_,
        uint256 averageUserYield,
        uint256 averageHedgerYield,
        uint256 yieldEfficiency
    );

Returns

Name	Type	Description
`totalYieldDistributed_`	`uint256`	Total distributed
`averageUserYield`	`uint256`	Average user yield
`averageHedgerYield`	`uint256`	Average hedger yield
`yieldEfficiency`	`uint256`	Yield efficiency percentage

setYieldShiftParameters

Update yield shift parameters

Allows governance to update yield shift configuration parameters

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function setYieldShiftParameters(uint256 _baseYieldShift, uint256 _maxYieldShift, uint256 _adjustmentSpeed) external;

Parameters

Name	Type	Description
`_baseYieldShift`	`uint256`	Base allocation (bps)
`_maxYieldShift`	`uint256`	Max allocation (bps)
`_adjustmentSpeed`	`uint256`	Adjustment speed (bps)

setTargetPoolRatio

Set the target pool ratio (bps)

Sets the target ratio between user and hedger pools

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function setTargetPoolRatio(uint256 _targetPoolRatio) external;

Parameters

Name	Type	Description
`_targetPoolRatio`	`uint256`	Target ratio

authorizeYieldSource

Authorize a yield source for specific yield type

Authorizes a yield source for a specific type of yield

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function authorizeYieldSource(address source, bytes32 yieldType) external;

Parameters

Name	Type	Description
`source`	`address`	Address of the yield source
`yieldType`	`bytes32`	Type of yield this source is authorized for

revokeYieldSource

Revoke authorization for a yield source

Revokes authorization for a yield source

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function revokeYieldSource(address source) external;

Parameters

Name	Type	Description
`source`	`address`	Address of the yield source to revoke

isYieldSourceAuthorized

Check if an address is authorized for a specific yield type

Checks if an address is authorized for a specific yield type

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function isYieldSourceAuthorized(address source, bytes32 yieldType) external view returns (bool);

Parameters

Name	Type	Description
`source`	`address`	Address to check
`yieldType`	`bytes32`	Yield type to check

Returns

Name	Type	Description
`<none>`	`bool`	True if authorized

updateYieldAllocation

Update yield allocation for a participant

Updates yield allocation for a specific participant

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function updateYieldAllocation(address user, uint256 amount, bool isUser) external;

Parameters

Name	Type	Description
`user`	`address`	Address of participant
`amount`	`uint256`	Amount to add/subtract
`isUser`	`bool`	True if user pool, false if hedger pool

emergencyYieldDistribution

Emergency manual yield distribution

Performs emergency manual yield distribution bypassing normal logic

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function emergencyYieldDistribution(uint256 userAmount, uint256 hedgerAmount) external;

Parameters

Name	Type	Description
`userAmount`	`uint256`	Amount to users
`hedgerAmount`	`uint256`	Amount to hedgers

pauseYieldDistribution

Pause yield distribution operations

Emergency function to pause all yield distribution operations

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function pauseYieldDistribution() external;

resumeYieldDistribution

Resume yield distribution operations

Resumes yield distribution operations after emergency pause

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function resumeYieldDistribution() external;

getYieldShiftConfig

YieldShift configuration snapshot

Returns current yield shift configuration parameters

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getYieldShiftConfig()
    external
    view
    returns (uint256 baseShift, uint256 maxShift, uint256 adjustmentSpeed_, uint256 lastUpdate);

Returns

Name	Type	Description
`baseShift`	`uint256`	Base shift (bps)
`maxShift`	`uint256`	Max shift (bps)
`adjustmentSpeed_`	`uint256`	Adjustment speed (bps)
`lastUpdate`	`uint256`	Last update timestamp

isYieldDistributionActive

Whether yield distribution is active (not paused)

Returns true if yield distribution is not paused and operations are active

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function isYieldDistributionActive() external view returns (bool);

Returns

Name	Type	Description
`<none>`	`bool`	True if yield distribution is active

checkAndUpdateYieldDistribution

Check if an update to yield distribution is needed and apply if so

Checks if yield distribution needs updating and applies changes if necessary

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function checkAndUpdateYieldDistribution() external;

updateLastDepositTime

Update the last deposit time for a user (for TWAP calculations)

Updates the last deposit time for a user, called by user pool on deposits

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function updateLastDepositTime(address user) external;

Parameters

Name	Type	Description
`user`	`address`	Address of the user

forceUpdateYieldDistribution

Force update yield distribution (governance only)

This function allows governance to force an update to yield distribution

Only callable by governance role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function forceUpdateYieldDistribution() external;

hasRole

Checks if an account has a specific role

Returns true if the account has been granted the role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function hasRole(bytes32 role, address account) external view returns (bool);

Parameters

Name	Type	Description
`role`	`bytes32`	The role to check
`account`	`address`	The account to check

Returns

Name	Type	Description
`<none>`	`bool`	True if the account has the role

getRoleAdmin

Gets the admin role for a given role

Returns the role that is the admin of the given role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function getRoleAdmin(bytes32 role) external view returns (bytes32);

Parameters

Name	Type	Description
`role`	`bytes32`	The role to get admin for

Returns

Name	Type	Description
`<none>`	`bytes32`	The admin role

grantRole

Grants a role to an account

Can only be called by an account with the admin role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function grantRole(bytes32 role, address account) external;

Parameters

Name	Type	Description
`role`	`bytes32`	The role to grant
`account`	`address`	The account to grant the role to

revokeRole

Revokes a role from an account

Can only be called by an account with the admin role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function revokeRole(bytes32 role, address account) external;

Parameters

Name	Type	Description
`role`	`bytes32`	The role to revoke
`account`	`address`	The account to revoke the role from

renounceRole

Renounces a role from the caller

The caller gives up their own role

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function renounceRole(bytes32 role, address callerConfirmation) external;

Parameters

Name	Type	Description
`role`	`bytes32`	The role to renounce
`callerConfirmation`	`address`	Confirmation that the caller is renouncing their own role

paused

Checks if the contract is paused

Returns true if the contract is currently paused

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function paused() external view returns (bool);

Returns

Name	Type	Description
`<none>`	`bool`	True if paused, false otherwise

upgradeTo

Upgrades the contract to a new implementation

Can only be called by accounts with UPGRADER_ROLE

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function upgradeTo(address newImplementation) external;

Parameters

Name	Type	Description
`newImplementation`	`address`	Address of the new implementation contract

upgradeToAndCall

Upgrades the contract to a new implementation and calls a function

Can only be called by accounts with UPGRADER_ROLE

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function upgradeToAndCall(address newImplementation, bytes memory data) external payable;

Parameters

Name	Type	Description
`newImplementation`	`address`	Address of the new implementation contract
`data`	`bytes`	Encoded function call data

recoverToken

Recovers ERC20 tokens sent by mistake

Allows governance to recover accidentally sent ERC20 tokens

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function recoverToken(address token, uint256 amount) external;

Parameters

Name	Type	Description
`token`	`address`	Token address
`amount`	`uint256`	Amount to transfer

recoverETH

Recovers ETH sent by mistake

Allows governance to recover accidentally sent ETH

Notes:

security: Validates input parameters and enforces security checks
validation: Validates input parameters and business logic constraints
state-changes: Updates contract state variables
events: Emits relevant events for state changes
errors: Throws custom errors for invalid conditions
reentrancy: Protected by reentrancy guard
access: Restricted to authorized roles
oracle: Requires fresh oracle price data

function recoverETH() external;

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