@pump-fun/pump-swap-sdk/dist/sdk/withdraw.js

Official SDK for interacting with Pump Swap AMM protocol on Solana

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/sdk/withdraw.ts
var withdraw_exports = {};
__export(withdraw_exports, {
  withdrawInternal: () => withdrawInternal
});
module.exports = __toCommonJS(withdraw_exports);
var import_bn = __toESM(require("bn.js"));
function withdrawInternal(lpAmount, slippage, baseReserve, quoteReserve, totalLpTokens) {
  if (lpAmount.isZero() || totalLpTokens.isZero()) {
    throw new Error("LP amount or total LP tokens cannot be zero.");
  }
  const base = baseReserve.mul(lpAmount).div(totalLpTokens);
  const quote = quoteReserve.mul(lpAmount).div(totalLpTokens);
  const scaleFactor = new import_bn.default(1e9);
  const slippageFactor = new import_bn.default((1 - slippage / 100) * 1e9);
  const minBase = base.mul(slippageFactor).div(scaleFactor);
  const minQuote = quote.mul(slippageFactor).div(scaleFactor);
  return {
    base,
    quote,
    minBase,
    minQuote
  };
}