Smart Contract Overview

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Architecture

┌─────────────────────────────────────────────────────────────────┐
│                PIPO SMART CONTRACT ARCHITECTURE                 │
├─────────────────────────────────────────────────────────────────┤
│                                                                 │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                   CORE CONTRACTS                         │   │
│  ├─────────────────────────────────────────────────────────┤   │
│  │                                                          │   │
│  │  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  │   │
│  │  │ WarrantToken │  │   AMM Pool   │  │ Settlement   │  │   │
│  │  │   Factory    │  │   Factory    │  │   Engine     │  │   │
│  │  └──────────────┘  └──────────────┘  └──────────────┘  │   │
│  │                                                          │   │
│  │  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  │   │
│  │  │    Oracle    │  │  Collateral  │  │   Registry   │  │   │
│  │  │   Contract   │  │    Vault     │  │   Contract   │  │   │
│  │  └──────────────┘  └──────────────┘  └──────────────┘  │   │
│  │                                                          │   │
│  └─────────────────────────────────────────────────────────┘   │
│                                                                 │
│  ┌─────────────────────────────────────────────────────────┐   │
│  │                  PERIPHERAL CONTRACTS                    │   │
│  ├─────────────────────────────────────────────────────────┤   │
│  │  Router │ Multicall │ Timelock │ ProxyAdmin │ Points    │   │
│  └─────────────────────────────────────────────────────────┘   │
│                                                                 │
└─────────────────────────────────────────────────────────────────┘

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Core Contracts

WarrantToken

// ERC-20 Extended for warrant-specific functionality
contract PIPOWarrant is ERC20, ERC20Permit {
    string public underlying;           // "SPACEX"
    WarrantType public warrantType;     // CALL or PUT
    uint256 public strike;              // Strike valuation
    uint256 public expiry;              // Expiry timestamp
    uint256 public notional;            // Notional per token ($1)

    mapping(uint256 => Window) public exerciseWindows;

    function exercise(uint256 amount) external;
    function isExercisable() external view returns (bool);
    function getIntrinsicValue() external view returns (uint256);
}

AMM Pool

// Constant Product Market Maker
contract PIPOPool {
    IERC20 public warrant;
    IERC20 public usdc;

    uint256 public reserveWarrant;
    uint256 public reserveUsdc;

    function swap(
        uint256 amountIn,
        uint256 amountOutMin,
        address tokenIn,
        address to,
        uint256 deadline
    ) external returns (uint256 amountOut);

    function addLiquidity(
        uint256 amountWarrant,
        uint256 amountUsdc,
        uint256 minLpTokens
    ) external returns (uint256 lpTokens);

    function removeLiquidity(
        uint256 lpTokens,
        uint256 minWarrant,
        uint256 minUsdc
    ) external returns (uint256, uint256);
}

Settlement Engine

// Handles exercise and settlement
contract PIPOSettlement {
    function submitExercise(
        address warrant,
        uint256 amount
    ) external returns (uint256 exerciseId);

    function processSettlement(
        uint256 exerciseId
    ) external;

    function calculatePayout(
        address warrant,
        uint256 amount,
        uint256 oraclePrice
    ) external view returns (uint256);
}

Oracle Contract

// Price oracle with committee governance
contract PIPOOracle {
    struct Price {
        uint256 valuation;
        uint256 timestamp;
        uint256 confidence;
        bytes32 sourceHash;
    }

    mapping(string => Price) public prices;
    mapping(address => bool) public committee;

    function updatePrice(
        string calldata underlying,
        uint256 valuation,
        bytes calldata signatures
    ) external;

    function getPrice(string calldata underlying) external view returns (uint256);
}

Collateral Vault

// USDC vault for put warrant backing
contract PIPOVault {
    mapping(address => uint256) public deposits;  // warrant => USDC

    function deposit(address warrant, uint256 amount) external;
    function withdraw(address warrant, uint256 amount) external;
    function settle(address warrant, address to, uint256 amount) external;
    function verifyReserve(address warrant) external view returns (bool);
}

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Deployment

Network

Network	Purpose	Status
BSC	Primary deployment	Production
Base	Secondary deployment	Production
Testnet	Testing	Staging

Addresses (Example)

BSC Mainnet:
├── WarrantFactory: 0x...
├── PoolFactory: 0x...
├── Settlement: 0x...
├── Oracle: 0x...
├── Vault: 0x...
├── Router: 0x...
└── Timelock: 0x...

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Security

Audits

Auditor	Scope	Status
[Firm 1]	Core contracts	Completed
[Firm 2]	Core contracts	Completed
[Firm 3]	Oracle/Settlement	Planned

Security Features

• Multi-sig admin (3/5)
• Timelock on upgrades (48h)
• Pausable contracts
• Reentrancy guards
• Access control (roles)
• Bug bounty program

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Upgrades

Proxy Pattern

Upgrade Process:
├── Proposal submitted
├── 48-hour timelock
├── Multi-sig execution (3/5)
├── New implementation deployed
└── Proxy updated

Emergency Pause

Emergency Pause:
├── Any pause role holder can trigger
├── Immediate effect
├── Requires 2/3 to unpause
└── 72-hour max pause (then multi-sig review)

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Next Steps

• Token Standards
• Security Model
• Infrastructure