svm venue: invariant

INVARIANT_PROGRAM_ID: Address<"HyaB3W9q6XdA5xwpU4XnSZV94htfmbmqJXZcEbRaJutt">

POOL_ACCOUNT_SIZE = 400

POOL_DISCRIMINATOR: number[]

TICK_DISCRIMINATOR: number[]

TICK_ACCOUNT_SIZE = 150

TICKMAP_ACCOUNT_SIZE: number

INVARIANT_MAX_BOUNDARIES = 3

invariant: {
    slug: string;
    programId: Address<"HyaB3W9q6XdA5xwpU4XnSZV94htfmbmqJXZcEbRaJutt">;
    tokenProgram: Address<"TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA">;
    fetchPoolConfig: typeof fetchInvariantPoolConfig;
}

export declare function invariantSqrtPriceAtTick(tickIndex: number): bigint;

export declare function invariantDeltaX(sqrtA: bigint, sqrtB: bigint, liquidity: bigint, up: boolean): bigint;

export declare function invariantDeltaY(sqrtA: bigint, sqrtB: bigint, liquidity: bigint, up: boolean): bigint;

export declare function invariantNextSqrtXUp(price: bigint, liquidity: bigint, amount: bigint): bigint;

export declare function invariantNextSqrtYDown(price: bigint, liquidity: bigint, amount: bigint): bigint;

export declare function invariantComputeSwapStepIn(currentSqrt: bigint, targetSqrt: bigint, liquidity: bigint, amount: bigint, fee: bigint): InvariantSwapStep;

export declare function fetchInvariantPoolConfig(owned: OwnedAccountLoader, pool: Address): Promise<InvariantPoolConfig>;

export interface InvariantSwapStep {
    nextSqrt: bigint;
    amountIn: bigint;
    amountOut: bigint;
    feeAmount: bigint;
}

export interface InvariantBoundary {
    tick: number;
    sqrtPrice: bigint;
    address: Address;
}

export interface InvariantWindow {
    boundaries: InvariantBoundary[];
}

export interface InvariantPoolConfig extends PoolConfig {
    venue: typeof SLUG;
    direction: "xToY" | "yToX";
    tokenXMint: Address;
    tokenYMint: Address;
    tokenXReserve: Address;
    tokenYReserve: Address;
    tickmap: Address;
    windows: {
        xToY: InvariantWindow;
        yToX: InvariantWindow;
    };
}