IB20.permit

Signature

IB20.sol

function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;

Field	Value
Selector	`0xd505accf`
Canonical signature	`permit(address,address,uint256,uint256,uint8,bytes32,bytes32)`

EIP-2612 permit. Recovers owner via ECDSA from (v, r, s). EOA signatures only; ERC-1271 contract signatures are NOT supported. Emits Approval.

Parameter	Description
`owner`	Token holder granting the allowance.
`spender`	Account being granted the allowance.
`value`	Allowance amount.
`deadline`	Unix timestamp after which the signature is invalid.
`v`	ECDSA recovery byte.
`r`	ECDSA signature r component.
`s`	ECDSA signature s component.

Read-only or ERC-20-standard access rules unless the NatSpec states otherwise.

No direct policy interaction.

Usage Example

IB20(target).permit(owner, spender, value, deadline, v, r, s);