$ cryptoforge info referral-system

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║  Referral System                                  ║
╚══════════════════════════════════════════════════╝

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  Store:       Sub Protocol
  Category:    contracts
  Files:       12
  Price:       $9.99
  Tech:        Solidity ^0.8.24, OpenZeppelin v5, Foundry
  Chains:      Ethereum, Arbitrum, Base, Optimism, Polygon
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$ cryptoforge describe referral-system

  On-chain referral tracking with commission payouts. Referrers earn a configurable percentage of referred subscription purchases. Supports multi-level referrals (up to 2 levels) and batch commission claims.

$ cryptoforge features referral-system

  [+] On-chain referral link tracking
  [+] Configurable commission rates per tier
  [+] Multi-level referrals (up to 2 levels)
  [+] Batch commission claiming for gas efficiency
  [+] Referral analytics (count, revenue, conversion)
  [+] Anti-gaming: self-referral prevention
  [+] Minimum payout thresholds
  [+] Full Foundry test suite with referral chain scenarios

$ cryptoforge preview referral-system
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/// @title Referral System
/// @notice On-chain referral tracking with commission payouts.
contract ReferralSystem {
    address public immutable owner;
    uint256 public constant VERSION = 1;

    event Initialized(address indexed deployer);

    constructor() {
        owner = msg.sender;
        emit Initialized(msg.sender);
    }

    // ... full implementation in purchased package
}
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$ _