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Class StableswapCalculator

An implementation of a math behind stableswap pools.

Hierarchy

  • StableswapCalculator

Implements

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Properties

mintTokensInvariantIterations

mintTokensInvariantIterations: number = 0

The same as swapInvariantIterations but for adding liquidity.

pool

pool: Pool

swapInvariantIterations

swapInvariantIterations: number = 0

Keeps the amount of iteration used to calculate invariant in the last call to getSwapGrossAmountReceived or getSwapAmountDeposited. Needed to calculate transaction fee.

Accessors

stableswapParams

Methods

Private _getPrice

  • _getPrice(decimalLiqA: number, decimalLiqB: number, retries: number): number

  • Price is calculated by simulating a swap for 10**6 of micro values. This price is highly inaccurate for low liquidity pools. In case of ConvergenceError we try to simulate a swap using a different swap amount. Returns NaN if all retries will fail.

    Parameters

    • decimalLiqA: number
    • decimalLiqB: number
    • retries: number

    Returns number

getAmplifier

  • getAmplifier(): bigint

getMintedLiquidityTokens

  • getMintedLiquidityTokens(addedLiqA: bigint, addedLiqB: bigint): bigint

getPrice

  • getPrice(decimalLiqA: number, decimalLiqB: number): number

getSwapAmountDeposited

  • getSwapAmountDeposited(liqA: bigint, liqB: bigint, grossAmountReceived: bigint, saveIterations?: boolean): bigint

getSwapGrossAmountReceived

  • getSwapGrossAmountReceived(liqA: bigint, liqB: bigint, amountDeposited: bigint, saveIterations?: boolean): bigint

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