Update Oracle and Curves

// `pool` is a loaded Hadron instance; `authority` is the pool authority (see SDK ▸ Quickstart)
// Updating a midprice of 117.20 SOL/USDC and a base spread of 5 bps

const ix = pool.updateMidpriceAndBaseSpread(authority, {
    // midprice = quote atoms per base atom (USDC 6 decimals, SOL 9 decimals)
    midpriceQ32: toQ32(117.20 * 1e6 / 1e9), // $117.20 SOL/USDC
    spreadFactorQ32: spreadBpsToQ32(5),     // 5 bps base spread
    sequence: 1n,                           // strictly-increasing nonce
});

// 3 point bid curve with a midprice of 1.00
// Points: Input Amount 0 (base), 1000, 2000 units
// Spread of 10, 20, 50 Bps from Mid
// Interpolating step wise for all 3 points

const ix = pool.setCurve(authority, {
    side: Side.Bid,
    defaultInterpolation: Interpolation.Step,
    points: [
        { amountIn: 0n,    priceFactor: 0.9990 },  // 0-1000: 10bps fee
        { amountIn: 1000n, priceFactor: 0.9980 },  // 1000-5000: 20bps fee
        { amountIn: 5000n, priceFactor: 0.9950 },  // 5000+: 50bps fee
    ],
});