// SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

// This contract is used to authorize claimers to claim rewards on the authorizer's behalf
interface IAuthorizedClaimersBase {
    // Errors
    error AuthorizedClaimers_ClaimerAlreadyAuthorized();
    error AuthorizedClaimers_InvalidSignature();
    error AuthorizedClaimers_ExpiredSignature();

    // Events
    event AuthorizedClaimerChanged(address indexed authorizer, address indexed claimer);
    event AuthorizedClaimerRemoved(address indexed authorizer);
}

interface IAuthorizedClaimers is IAuthorizedClaimersBase {
    // Authorize a claimer to claim rewards on the callers behalf
    function authorizeClaimer(address claimer) external;

    // Authorize a claimer to claim rewards on the authorizer's behalf
    function authorizeClaimerBySig(
        address owner,
        address claimer,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    // Get the authorized claimer for the authorizer
    function getAuthorizedClaimer(address authorizer) external view returns (address);

    // Remove the authorized claimer for the caller
    function removeAuthorizedClaimer() external;
}