IStakeManager

manage deposits and stakes. deposit is just a balance used to pay for UserOperations (either by a paymaster or an account) stake is value locked for at least "unstakeDelay" by the staked entity.

Methods

addStake

function addStake(uint32 _unstakeDelaySec) external payable

add to the account's stake - amount and delay any pending unstake is first cancelled.

Parameters

Name	Type	Description
_unstakeDelaySec	uint32	the new lock duration before the deposit can be withdrawn.

balanceOf

function balanceOf(address account) external view returns (uint256)

Parameters

Name	Type	Description
account	address	undefined

Returns

Name	Type	Description
_0	uint256	the deposit (for gas payment) of the account

depositTo

function depositTo(address account) external payable

add to the deposit of the given account

Parameters

Name	Type	Description
account	address	undefined

getDepositInfo

function getDepositInfo(address account) external view returns (struct IStakeManager.DepositInfo info)

Parameters

Name	Type	Description
account	address	undefined

Returns

Name	Type	Description
info	IStakeManager.DepositInfo	- full deposit information of given account

unlockStake

function unlockStake() external nonpayable

attempt to unlock the stake. the value can be withdrawn (using withdrawStake) after the unstake delay.

withdrawStake

function withdrawStake(address payable withdrawAddress) external nonpayable

withdraw from the (unlocked) stake. must first call unlockStake and wait for the unstakeDelay to pass

Parameters

Name	Type	Description
withdrawAddress	address payable	the address to send withdrawn value.

withdrawTo

function withdrawTo(address payable withdrawAddress, uint256 withdrawAmount) external nonpayable

withdraw from the deposit.

Parameters

Name	Type	Description
withdrawAddress	address payable	the address to send withdrawn value.
withdrawAmount	uint256	the amount to withdraw.

Events

Deposited

event Deposited(address indexed account, uint256 totalDeposit)

Parameters

Name	Type	Description
account indexed	address	undefined
totalDeposit	uint256	undefined

StakeLocked

event StakeLocked(address indexed account, uint256 totalStaked, uint256 unstakeDelaySec)

Emitted when stake or unstake delay are modified

Parameters

Name	Type	Description
account indexed	address	undefined
totalStaked	uint256	undefined
unstakeDelaySec	uint256	undefined

StakeUnlocked

event StakeUnlocked(address indexed account, uint256 withdrawTime)

Emitted once a stake is scheduled for withdrawal

Parameters

Name	Type	Description
account indexed	address	undefined
withdrawTime	uint256	undefined

StakeWithdrawn

event StakeWithdrawn(address indexed account, address withdrawAddress, uint256 amount)

Parameters

Name	Type	Description
account indexed	address	undefined
withdrawAddress	address	undefined
amount	uint256	undefined

Withdrawn

event Withdrawn(address indexed account, address withdrawAddress, uint256 amount)

Parameters

Name	Type	Description
account indexed	address	undefined
withdrawAddress	address	undefined
amount	uint256	undefined