@alcorexchange/alcor-swap-sdk/build/utils/encodeSqrtRatioX64.js

​​ **npm** ``` npm i @alcorexchange/alcor-swap-sdk ``` **yarn** ``` yarn add @alcorexchange/alcor-swap-sdk ``` ## Usage ### Import:

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.encodeSqrtRatioX64 = encodeSqrtRatioX64;
var _sqrt = require("./sqrt");
/**
 * Returns the sqrt ratio as a Q64.64 corresponding to a given ratio of amountB and amountA
 * @param amountB The numerator amount i.e., the amount of tokenB
 * @param amountA The denominator amount i.e., the amount of tokenA
 * @returns The sqrt ratio
 */

function encodeSqrtRatioX64(amountB, amountA) {
  const numerator = BigInt(amountB) << BigInt(128);
  const denominator = BigInt(amountA);
  const ratioX128 = numerator / denominator;
  return (0, _sqrt.sqrt)(ratioX128);
}