+------------------------------------------------------------------+
|                      LX DeFi Protocol Suite                   |
+------------------------------------------------------------------+
|                                                                   |
|  +-------------+  +-------------+  +-------------+  +-----------+ |
|  |   Lending   |  |   Margin    |  |   Vaults    |  |  Staking  | |
|  |   Protocol  |  |   Trading   |  |   & Yield   |  |   (LUX)   | |
|  +------+------+  +------+------+  +------+------+  +-----+-----+ |
|         |                |                |               |       |
|         +--------+-------+--------+-------+-------+-------+       |
|                  |                |                               |
|           +------v------+  +------v------+                        |
|           | Price Oracle|  |   AMM/CLMM  |                        |
|           |   Feeds     |  |   Pools     |                        |
|           +------+------+  +------+------+                        |
|                  |                |                               |
|           +------v----------------v------+                        |
|           |     Flash Loan Engine        |                        |
|           +------------------------------+                        |
|                          |                                        |
|           +------v----------------v------+                        |
|           |  Governance & Risk Mgmt      |                        |
|           +------------------------------+                        |
+------------------------------------------------------------------+
|                    Cross-Chain Bridge (B-Chain)                   |
+------------------------------------------------------------------+

// Zero-knowledge credit scoring
interface IZKCreditScoring {
    function verifyCreditScore(
        bytes32 userCommitment,
        uint256 minRequired,
        bytes calldata proof
    ) external view returns (bool eligible);
}

// Confidential collateral management
interface IConfidentialCollateral {
    function verifyCollateralization(
        bytes32 positionId,
        uint256 loanAmount,
        bytes calldata solvencyProof
    ) external view returns (bool sufficient);
}

// Cross-chain lending position
type CrossChainPosition struct {
    ChainID      ids.ID
    PositionID   [32]byte
    Collateral   *big.Int
    Debt         *big.Int
    WarpProof    *warp.Message
}

                    Borrow Rate
                        |
                        |                    ____
                        |                ___/
                        |            ___/
                        |        ___/
                        |    ___/
                        |___/
                        +------------------------> Utilization
                            Kink (80%)

If utilization <= kink:
    BorrowRate = BaseRate + (Utilization * MultiplierRate)

If utilization > kink:
    BorrowRate = BaseRate + (Kink * MultiplierRate) +
                 ((Utilization - Kink) * JumpMultiplier)

import "github.com/luxfi/dex/pkg/defi/lending"

func supplyAssets(ctx context.Context) error {
    client, err := lending.NewClient(ctx, &lending.Config{
        Endpoint: "https://api.lux.network",
        ChainID:  96369,
    })
    if err != nil {
        return err
    }

    result, err := client.Supply(ctx, &lending.SupplyParams{
        Asset:  "USDT",
        Amount: "10000.00",
    })
    if err != nil {
        return err
    }

    fmt.Printf("Supplied: %s USDT\n", result.Amount)
    fmt.Printf("Shares: %s\n", result.Shares)
    fmt.Printf("APY: %s%%\n", result.CurrentAPY)
    return nil
}

import "github.com/luxfi/dex/pkg/defi/margin"

func openPosition(ctx context.Context) error {
    client, err := margin.NewClient(ctx, &margin.Config{
        Endpoint: "https://api.lux.network",
        ChainID:  96369,
    })
    if err != nil {
        return err
    }

    position, err := client.OpenPosition(ctx, &margin.OpenParams{
        Symbol:     "BTC-USD",
        Side:       margin.Long,
        Collateral: "10000.00",
        Leverage:   5,
    })
    if err != nil {
        return err
    }

    fmt.Printf("Position: %s\n", position.ID)
    fmt.Printf("Size: $%s\n", position.Size)
    fmt.Printf("Entry: $%s\n", position.EntryPrice)
    fmt.Printf("Liquidation: $%s\n", position.LiquidationPrice)
    return nil
}