DelegationFacet

Git Source

Inherits: MultiOwnable

Handles delegation of transaction execution to other wallets with proper authorization

Functions

onlyOwner

modifier onlyOwner() override;

onlyActiveDelegator

modifier onlyActiveDelegator();

configureDelegation

Configure delegation for another wallet

function configureDelegation(
    address delegatedWallet,
    uint256 maxValue,
    uint256 dailyLimit,
    bytes4[] calldata allowedSelectors
) external onlyOwner;

Parameters

Name	Type	Description
delegatedWallet	address	The wallet that can execute transactions on behalf of this wallet
maxValue	uint256	Maximum value per transaction
dailyLimit	uint256	Maximum daily spending limit
allowedSelectors	bytes4[]	Array of function selectors that can be delegated

revokeDelegation

Revoke delegation for a wallet

function revokeDelegation(address delegatedWallet) external onlyOwner;

Parameters

Name	Type	Description
delegatedWallet	address	The wallet to revoke delegation from

setFunctionDelegation

Allow/disallow a specific function for delegation

function setFunctionDelegation(address delegatedWallet, bytes4 selector, bool allowed) external onlyOwner;

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet
selector	bytes4	Function selector
allowed	bool	Whether the function is allowed

executeDelegated

Execute a transaction as a delegated wallet

function executeDelegated(address target, uint256 value, bytes calldata data, bytes calldata ownerSignature)
    external
    onlyActiveDelegator
    returns (bool success, bytes memory result);

Parameters

Name	Type	Description
target	address	Target contract address
value	uint256	ETH value to send
data	bytes	Transaction data
ownerSignature	bytes	Signature from an owner of the delegating wallet

executeDelegatedBatch

Execute multiple transactions as a delegated wallet

function executeDelegatedBatch(
    address[] calldata targets,
    uint256[] calldata values,
    bytes[] calldata datas,
    bytes calldata ownerSignature
) external onlyActiveDelegator;

Parameters

Name	Type	Description
targets	address[]	Array of target addresses
values	uint256[]	Array of ETH values
datas	bytes[]	Array of transaction data
ownerSignature	bytes	Signature from an owner of the delegating wallet

getDelegationConfig

Get delegation configuration for a wallet

function getDelegationConfig(address delegatedWallet)
    external
    view
    returns (uint256 maxValue, uint256 dailyLimit, uint256 dailySpent, uint256 lastResetTime, bool active);

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet

Returns

Name	Type	Description
maxValue	uint256	Maximum value per transaction
dailyLimit	uint256	Daily spending limit
dailySpent	uint256	Amount spent today
lastResetTime	uint256	Last time daily limit was reset
active	bool	Whether delegation is active

isFunctionDelegated

Check if a function is delegated to a wallet

function isFunctionDelegated(address delegatedWallet, bytes4 selector) external view returns (bool);

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet
selector	bytes4	Function selector

Returns

Name	Type	Description
<none>	bool	Whether the function is delegated

getDelegatedWallets

Get all delegated wallets

function getDelegatedWallets() external view returns (address[] memory);

Returns

Name	Type	Description
<none>	address[]	Array of delegated wallet addresses

updateDailyLimit

Update daily limit for a delegated wallet

function updateDailyLimit(address delegatedWallet, uint256 newDailyLimit) external onlyOwner;

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet
newDailyLimit	uint256	New daily limit

resetDailySpending

Reset daily spending for a delegated wallet (emergency function)

function resetDailySpending(address delegatedWallet) external onlyOwner;

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet

canDelegate

Check if delegation is allowed for a specific transaction

function canDelegate(address delegatedWallet, bytes4 selector, uint256 value) external view returns (bool);

Parameters

Name	Type	Description
delegatedWallet	address	The delegated wallet
selector	bytes4	Function selector
value	uint256	Transaction value

Returns

Name	Type	Description
<none>	bool	Whether delegation is allowed

_verifyOwnerSignature

Verify owner signature for delegated transaction

function _verifyOwnerSignature(bytes32 hash, bytes calldata signature) internal view returns (bool);

Parameters

Name	Type	Description
hash	bytes32	Transaction hash
signature	bytes	Owner signature

Returns

Name	Type	Description
<none>	bool	Whether signature is valid

Events

DelegationConfigured

event DelegationConfigured(address indexed delegatedWallet, uint256 maxValue, uint256 dailyLimit);

DelegationRevoked

event DelegationRevoked(address indexed delegatedWallet);

FunctionDelegated

event FunctionDelegated(address indexed delegatedWallet, bytes4 indexed selector, bool allowed);

DelegatedTransactionExecuted

event DelegatedTransactionExecuted(
    address indexed delegatedWallet, address indexed target, uint256 value, bytes4 selector, bool success
);

DailyLimitReset

event DailyLimitReset(address indexed delegatedWallet, uint256 newLimit);

Errors

NotAuthorizedDelegator

error NotAuthorizedDelegator();

DelegationNotActive

error DelegationNotActive();

FunctionNotDelegated

error FunctionNotDelegated();

ValueExceedsLimit

error ValueExceedsLimit();

DailyLimitExceeded

error DailyLimitExceeded();

InvalidDelegationConfig

error InvalidDelegationConfig();