IB20.permit

Signature

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)`

Description

EIP-2612 permit. Recovers owner via ECDSA from (v, r, s). EOA signatures only; ERC-1271 contract signatures are NOT supported. Emits Approval. Dev: Reverts with ExpiredSignature when block.timestamp > deadline. Dev: Reverts with InvalidSigner when ECDSA recovery does not yield owner. Dev: Reverts with InvalidSpender when spender == address(0). Param: owner Token holder granting the allowance. Param: spender Account being granted the allowance. Param: value Allowance amount. Param: deadline Unix timestamp after which the signature is invalid. Param: v ECDSA recovery byte. Param: r ECDSA signature r component. Param: s ECDSA signature s component.

Access control

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

Policy interaction

No direct policy interaction.

Example

IB20(target).permit(arg0, arg1, arg2, arg3, arg4, arg5, arg6);

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Signature

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Access control

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