PermitAndMulticall

Git Source

Allows a user to permit token spend and then call multiple functions on a contract.

Functions

_multicall

Allows a user to call multiple functions on the same contract. Useful for EOA who want to batch transactions.

function _multicall(bytes[] calldata _data) internal virtual returns (bytes[] memory);

Parameters

Name	Type	Description
_data	bytes[]	An array of encoded function calls. The calls must be abi-encoded calls to this contract.

Returns

Name	Type	Description
<none>	bytes[]	The results from each function call

_permitAndMulticall

Allow a user to approve an ERC20 token and run various calls in one transaction.

function _permitAndMulticall(
    IERC20Permit _permitToken,
    uint256 _amount,
    Signature calldata _permitSignature,
    bytes[] calldata _data
) internal;

Parameters

Name	Type	Description
_permitToken	IERC20Permit	Address of the ERC20 token
_amount	uint256	Amount of tickets to approve
_permitSignature	Signature	Permit signature
_data	bytes[]	Datas to call with functionDelegateCall

Structs

Signature

Secp256k1 signature values.

struct Signature {
    uint256 deadline;
    uint8 v;
    bytes32 r;
    bytes32 s;
}

Properties

Name	Type	Description
deadline	uint256	Timestamp at which the signature expires
v	uint8	v portion of the signature
r	bytes32	r portion of the signature
s	bytes32	s portion of the signature