@airdao/swap-router-contracts/test/shared/encodePriceSqrt.ts

Smart contracts for swapping on Astra Classic and CL

import bn from 'bignumber.js'
import { BigNumber, BigNumberish } from 'ethers'

bn.config({ EXPONENTIAL_AT: 999999, DECIMAL_PLACES: 40 })

// returns the sqrt price as a 64x96
export function encodePriceSqrt(reserve1: BigNumberish, reserve0: BigNumberish): BigNumber {
  return BigNumber.from(
    new bn(reserve1.toString())
      .div(reserve0.toString())
      .sqrt()
      .multipliedBy(new bn(2).pow(96))
      .integerValue(3)
      .toString()
  )
}