31 lines
897 B
TypeScript
31 lines
897 B
TypeScript
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import { BigNumber } from 'ethers'
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import Decimal from 'decimal.js'
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const TWO = BigNumber.from(2)
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const TEN = BigNumber.from(10)
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const FIVE_SIG_FIGS_POW = new Decimal(10).pow(5)
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export function formatSqrtRatioX96(
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sqrtRatioX96: BigNumber | number,
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decimalsToken0: number = 18,
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decimalsToken1: number = 18
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): string {
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Decimal.set({ toExpPos: 9_999_999, toExpNeg: -9_999_999 })
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let ratioNum = ((parseInt(sqrtRatioX96.toString()) / 2 ** 96) ** 2).toPrecision(5)
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let ratio = new Decimal(ratioNum.toString())
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// adjust for decimals
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if (decimalsToken1 < decimalsToken0) {
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ratio = ratio.mul(TEN.pow(decimalsToken0 - decimalsToken1).toString())
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} else if (decimalsToken0 < decimalsToken1) {
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ratio = ratio.div(TEN.pow(decimalsToken1 - decimalsToken0).toString())
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}
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if (ratio.lessThan(FIVE_SIG_FIGS_POW)) {
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return ratio.toPrecision(5)
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}
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return ratio.toString()
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}
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