// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";

/**
 * @title WLPReceiptToken
 * @notice Fungible receipt token for Chain 138 LP exposure minted on a public chain (Option A).
 * @dev Only addresses with MINTER_ROLE may mint; BURNER_ROLE for redemption gateway / bridge burn paths.
 *      Not a cW* token; separate from CompliantWrappedToken governance surface.
 */
contract WLPReceiptToken is ERC20, AccessControl {
    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    bytes32 public constant BURNER_ROLE = keccak256("BURNER_ROLE");

    uint8 private immutable _decimalsOverride;

    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        address admin
    ) ERC20(name_, symbol_) {
        require(admin != address(0), "WLP: zero admin");
        _decimalsOverride = decimals_;
        _grantRole(DEFAULT_ADMIN_ROLE, admin);
    }

    function decimals() public view override returns (uint8) {
        return _decimalsOverride;
    }

    function mint(address to, uint256 amount) external onlyRole(MINTER_ROLE) {
        _mint(to, amount);
    }

    function burn(address from, uint256 amount) external onlyRole(BURNER_ROLE) {
        _burn(from, amount);
    }
}