124 lines
3.9 KiB
Solidity
124 lines
3.9 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity ^0.8.20;
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import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
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import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
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import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
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import "./interfaces/ICouponBatch.sol";
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import "./interfaces/ICompliance.sol";
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/// @title Redemption1155 — ERC-1155 券兑付合约
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/// @notice 支持多单位一次性兑付（burn），平台不介入资金
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/// @dev Transparent Proxy 部署。消费者持券到店兑付，合约负责销毁。
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contract Redemption1155 is Initializable, AccessControlUpgradeable, ReentrancyGuardUpgradeable {
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bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE");
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ICouponBatch public couponBatchContract;
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ICompliance public compliance;
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struct RedemptionRecord {
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uint256 typeId;
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uint256 amount; // 本次兑付数量
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address consumer;
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address issuer;
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bytes32 storeId;
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uint256 redeemedAt;
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}
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uint256 public totalRedemptions;
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mapping(uint256 => RedemptionRecord) public redemptions;
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// --- Events ---
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event BatchCouponRedeemed(
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uint256 indexed typeId,
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uint256 amount,
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address indexed consumer,
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address indexed issuer,
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bytes32 storeId,
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uint256 redemptionId
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);
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function initialize(
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address _couponBatchContract,
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address _compliance,
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address admin
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) external initializer {
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__AccessControl_init();
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__ReentrancyGuard_init();
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couponBatchContract = ICouponBatch(_couponBatchContract);
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compliance = ICompliance(_compliance);
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_grantRole(DEFAULT_ADMIN_ROLE, admin);
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_grantRole(ADMIN_ROLE, admin);
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}
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/// @notice 兑付 `amount` 单位的 typeId 券
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/// @param typeId ERC-1155 token type ID
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/// @param amount 兑付数量
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/// @param storeId 门店 ID 哈希
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function redeem(
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uint256 typeId,
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uint256 amount,
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bytes32 storeId
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) external nonReentrant {
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require(amount > 0, "Redemption1155: zero amount");
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// 余额检查（隐含所有权验证）
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require(
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couponBatchContract.balanceOf(msg.sender, typeId) >= amount,
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"Redemption1155: insufficient balance"
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);
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// 合规检查
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require(!compliance.isBlacklisted(msg.sender), "Redemption1155: blacklisted");
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ICouponBatch.BatchCouponConfig memory config = couponBatchContract.getConfig(typeId);
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// 到期检查
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require(block.timestamp <= config.expiryDate, "Redemption1155: coupon expired");
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// 门店限制检查
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if (config.allowedStores.length > 0) {
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require(
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_isAllowedStore(storeId, config.allowedStores),
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"Redemption1155: store not allowed"
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);
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}
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// 销毁券
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couponBatchContract.burn(msg.sender, typeId, amount);
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// 记录兑付
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uint256 redemptionId = totalRedemptions++;
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redemptions[redemptionId] = RedemptionRecord({
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typeId: typeId,
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amount: amount,
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consumer: msg.sender,
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issuer: config.issuer,
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storeId: storeId,
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redeemedAt: block.timestamp
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});
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emit BatchCouponRedeemed(
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typeId, amount, msg.sender, config.issuer, storeId, redemptionId
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);
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}
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/// @notice 查询兑付记录
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function getRedemption(uint256 redemptionId) external view returns (RedemptionRecord memory) {
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return redemptions[redemptionId];
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}
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/// @dev 门店白名单检查
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function _isAllowedStore(
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bytes32 storeId,
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bytes32[] memory allowedStores
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) internal pure returns (bool) {
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for (uint256 i = 0; i < allowedStores.length; i++) {
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if (allowedStores[i] == storeId) return true;
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}
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return false;
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}
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}
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