77a459e987
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com> Co-authored-by: Francisco Giordano <fg@frang.io> Co-authored-by: Joseph Delong <joseph@delong.me> Co-authored-by: Arr00 <13561405+arr00@users.noreply.github.com> Co-authored-by: Renan Souza <renan.rodrigues.souza1@gmail.com>
33 lines
1.1 KiB
Solidity
33 lines
1.1 KiB
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AuthorityUtils.sol)
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pragma solidity ^0.8.20;
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import {IAuthority} from "./IAuthority.sol";
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library AuthorityUtils {
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/**
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* @dev Since `AccessManager` implements an extended IAuthority interface, invoking `canCall` with backwards compatibility
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* for the preexisting `IAuthority` interface requires special care to avoid reverting on insufficient return data.
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* This helper function takes care of invoking `canCall` in a backwards compatible way without reverting.
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*/
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function canCallWithDelay(
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address authority,
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address caller,
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address target,
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bytes4 selector
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) internal view returns (bool immediate, uint32 delay) {
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bytes memory data = abi.encodeCall(IAuthority.canCall, (caller, target, selector));
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assembly ("memory-safe") {
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mstore(0x00, 0x00)
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mstore(0x20, 0x00)
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if staticcall(gas(), authority, add(data, 0x20), mload(data), 0x00, 0x40) {
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immediate := mload(0x00)
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delay := mload(0x20)
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}
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}
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}
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}
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