Constant Product Curve (xy = k)

The constant product formula maintains liquidity invariance through the following relationships:

Invariant Formula

k = \text{token}_a \times \text{token}_b

D = \sqrt{\text{token}_a \times \text{token}_b}

Implements Curve Finance’s StableSwap algorithm via Saber StableSwap.

A \cdot n^n \cdot \sum_{i} x_i + D = A \cdot n^n \cdot D + \frac{D^{n+1}}{n^n \cdot \prod_{i} x_i}

Where:

\text{fee} = \frac{\text{token\_amount} \times \text{fee\_numerator}}{\text{fee\_denominator}}

Where: