IB20.approve

Generated B20 reference for approve(address,uint256).

Related concept

Signature

function approve(address spender, uint256 amount) external returns (bool);

Field	Value
Selector	0x095ea7b3
Canonical signature	approve(address,uint256)

Description

Sets spender’s allowance to amount. Not gated by any policy or by pause. Emits Approval. Dev: Reverts with InvalidApprover when msg.sender == address(0). Dev: Reverts with InvalidSpender when spender == address(0). Param: spender Account being granted the allowance. Param: amount Allowance amount. Return: Always true on success.

Access control

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

Policy interaction

No direct policy interaction.

Example

IB20(target).approve(arg0, arg1);

Related

• IB20 reference
• Constants & addresses