Skip to content
stake.link

link staking contracts

OperatorStakingPool: Node Operator LST Balances

The OperatorStakingPool tracks node operator LST balances for the purpose of differentiating from community LST balances. Node operators are required to stake their LSTs into this contract.

View Functions

Section titled “View Functions”

lst

Section titled “lst”

Returns the address of the liquid staking token supported by this pool

function lst() external view returns (address)

Return Values

Section titled “Return Values”
Name Type Description
lst address address of LST

depositLimit

Section titled “depositLimit”

Returns the max amount of deposits per operator

function depositLimit() external view returns (uint256)

Return Values

Section titled “Return Values”
Name Type Description
depositLimit uint256 max amount of deposits per operator

getOperators

Section titled “getOperators”

Returns a list of all operators

function getOperators() external view returns (address[])

Return Values

Section titled “Return Values”
Name Type Description
operators address[] list of operators

getOperatorPrincipal

Section titled “getOperatorPrincipal”

Returns an operator’s principal staked balance

function getOperatorPrincipal(address _operator) public view returns (uint256)

Parameters

Section titled “Parameters”
Name Type Description
_operator address address of operator

Return Values

Section titled “Return Values”
Name Type Description
operatorPrincipal uint256 operator principal staked amount

getOperatorStaked

Section titled “getOperatorStaked”

Returns an operator’s total staked balance

function getOperatorStaked(address _operator) public view returns (uint256)

Parameters

Section titled “Parameters”
Name Type Description
_operator address address of operator

Return Values

Section titled “Return Values”
Name Type Description
operatorStaked uint256 operator staked amount

getTotalPrincipal

Section titled “getTotalPrincipal”

Returns the total principal staked amount

function getTotalPrincipal() external view returns (uint256)

Return Values

Section titled “Return Values”
Name Type Description
totalPrincipal uint256 total principal staked amount

getTotalStaked

Section titled “getTotalStaked”

Returns the total staked amount

function getTotalStaked() external view returns (uint256)

Return Values

Section titled “Return Values”
Name Type Description
totalStaked uint256 total staked amount

isOperator

Section titled “isOperator”

Returns whether an account is an operator

function isOperator(address _account) public view returns (bool)

Return Values

Section titled “Return Values”
Name Type Description
isOperator bool true if account is operator, false otherwise

Write Functions

Section titled “Write Functions”

onTokenTransfer

Section titled “onTokenTransfer”

ERC677 implementation to receive deposits

function onTokenTransfer(address _sender, uint256 _value, bytes) external

Parameters

Section titled “Parameters”
Name Type Description
_sender address address of sender
_value uint256 amount of tokens to deposit
bytes

withdraw

Section titled “withdraw”

Withdraws tokens

function withdraw(uint256 _amount) external

Parameters

Section titled “Parameters”
Name Type Description
_amount uint256 amount to withdraw

addOperators

Section titled “addOperators”

Adds new operators

function addOperators(address[] _operators) external

Parameters

Section titled “Parameters”
Name Type Description
_operators address[] list of operators to add

removeOperators

Section titled “removeOperators”

Removes existing operators

function removeOperators(address[] _operators) external

Parameters

Section titled “Parameters”
Name Type Description
_operators address[] list of operators to remove

setDepositLimit

Section titled “setDepositLimit”

Sets the max amount of deposits per operator

function setDepositLimit(uint256 _depositLimit) external

Parameters

Section titled “Parameters”
Name Type Description
_depositLimit uint256 max amount of deposits per operator