KeeperValidators

Git Source

Inherits: KeeperOracles, KeeperRewards, IKeeperValidators

Author: StakeWise

Defines the functionality for approving validators' registrations and updating exit signatures

State Variables

_registerValidatorsTypeHash

bytes32 private constant _registerValidatorsTypeHash = keccak256(
    "KeeperValidators(bytes32 validatorsRegistryRoot,address vault,bytes validators,string exitSignaturesIpfsHash,uint256 deadline)"
);

_updateExitSigTypeHash

bytes32 private constant _updateExitSigTypeHash =
    keccak256("KeeperValidators(address vault,string exitSignaturesIpfsHash,uint256 nonce,uint256 deadline)");

_validatorsRegistry

IValidatorsRegistry private immutable _validatorsRegistry;

exitSignaturesNonces

Get nonce for the next vault exit signatures update

mapping(address => uint256) public override exitSignaturesNonces;

validatorsMinOracles

The minimum number of oracles required to update validators

uint256 public override validatorsMinOracles;

Functions

constructor

Constructor

constructor(IValidatorsRegistry validatorsRegistry);

Parameters

Name	Type	Description
validatorsRegistry	IValidatorsRegistry	The address of the beacon chain validators registry contract

setValidatorsMinOracles

Function for updating validators min oracles number

function setValidatorsMinOracles(uint256 _validatorsMinOracles) external override onlyOwner;

Parameters

Name	Type	Description
_validatorsMinOracles	uint256	The new minimum number of oracles required to approve validators

approveValidators

Function for approving validators registration

function approveValidators(ApprovalParams calldata params) external override;

Parameters

Name	Type	Description
params	ApprovalParams	The parameters for approving validators registration

updateExitSignatures

Function for updating exit signatures for every hard fork

function updateExitSignatures(
    address vault,
    uint256 deadline,
    string calldata exitSignaturesIpfsHash,
    bytes calldata oraclesSignatures
) external override;

Parameters

Name	Type	Description
vault	address	The address of the Vault to update signatures for
deadline	uint256	The deadline for submitting signatures update
exitSignaturesIpfsHash	string	The IPFS hash with the validators' exit signatures
oraclesSignatures	bytes	The concatenation of Oracles' signatures

_setValidatorsMinOracles

Internal function to set the minimum number of oracles required to approve validators

function _setValidatorsMinOracles(uint256 _validatorsMinOracles) private;

Parameters

Name	Type	Description
_validatorsMinOracles	uint256	The new minimum number of oracles required to approve validators