@parifi/sdk/dist/perps/offchain.mjs

Parifi SDK with common utility functions

// src/common/constants.ts
import { Decimal } from "decimal.js";
var PRECISION_MULTIPLIER = new Decimal("10000");
var DEVIATION_PRECISION_MULTIPLIER = new Decimal(10).pow(12);
var SECONDS_IN_A_YEAR = new Decimal(365 * 24 * 60 * 60);
var MAX_FEE = new Decimal(1e7);
var WAD = new Decimal(10).pow(18);
var DECIMAL_10 = new Decimal(10);
var DECIMAL_ZERO = new Decimal(0);
var BIGINT_ZERO = BigInt(0);
var ONE_GWEI = 1e9;
var DEFAULT_GAS_PRICE = 2 * ONE_GWEI;
var SYMBOL_TO_PYTH_FEED = /* @__PURE__ */ new Map([
  // market
  ["BTC", "0xc9d8b075a5c69303365ae23633d4e085199bf5c520a3b90fed1322a0342ffc33"],
  ["SOL", "0xef0d8b6fda2ceba41da15d4095d1da392a0d2f8ed0c6c7bc0f4cfac8c280b56d"],
  ["WIF", "0x4ca4beeca86f0d164160323817a4e42b10010a724c2217c6ee41b54cd4cc61fc"],
  ["ETH", "0xff61491a931112ddf1bd8147cd1b641375f79f5825126d665480874634fd0ace"],
  ["AAVE", "0x2b9ab1e972a281585084148ba1389800799bd4be63b957507db1349314e47445"],
  ["ADA", "0x2a01deaec9e51a579277b34b122399984d0bbf57e2458a7e42fecd2829867a0d"],
  ["ARB", "0x3fa4252848f9f0a1480be62745a4629d9eb1322aebab8a791e344b3b9c1adcf5"],
  ["AVAX", "0x93da3352f9f1d105fdfe4971cfa80e9dd777bfc5d0f683ebb6e1294b92137bb7"],
  ["BCH", "0x3dd2b63686a450ec7290df3a1e0b583c0481f651351edfa7636f39aed55cf8a3"],
  ["BNB", "0x2f95862b045670cd22bee3114c39763a4a08beeb663b145d283c31d7d1101c4f"],
  ["CRV", "0xa19d04ac696c7a6616d291c7e5d1377cc8be437c327b75adb5dc1bad745fcae8"],
  ["DOGE", "0xdcef50dd0a4cd2dcc17e45df1676dcb336a11a61c69df7a0299b0150c672d25c"],
  ["DYDX", "0x6489800bb8974169adfe35937bf6736507097d13c190d760c557108c7e93a81b"],
  ["GMX", "0xb962539d0fcb272a494d65ea56f94851c2bcf8823935da05bd628916e2e9edbf"],
  ["LINK", "0x8ac0c70fff57e9aefdf5edf44b51d62c2d433653cbb2cf5cc06bb115af04d221"],
  ["LTC", "0x6e3f3fa8253588df9326580180233eb791e03b443a3ba7a1d892e73874e19a54"],
  ["MKR", "0x9375299e31c0deb9c6bc378e6329aab44cb48ec655552a70d4b9050346a30378"],
  ["NEAR", "0xc415de8d2eba7db216527dff4b60e8f3a5311c740dadb233e13e12547e226750"],
  ["OP", "0x385f64d993f7b77d8182ed5003d97c60aa3361f3cecfe711544d2d59165e9bdf"],
  ["ORDI", "0x193c739db502aadcef37c2589738b1e37bdb257d58cf1ab3c7ebc8e6df4e3ec0"],
  ["PEPE", "0xd69731a2e74ac1ce884fc3890f7ee324b6deb66147055249568869ed700882e4"],
  ["POL", "0xffd11c5a1cfd42f80afb2df4d9f264c15f956d68153335374ec10722edd70472"],
  ["PYTH", "0x0bbf28e9a841a1cc788f6a361b17ca072d0ea3098a1e5df1c3922d06719579ff"],
  ["RUNE", "0x5fcf71143bb70d41af4fa9aa1287e2efd3c5911cee59f909f915c9f61baacb1e"],
  ["SHIB", "0xf0d57deca57b3da2fe63a493f4c25925fdfd8edf834b20f93e1f84dbd1504d4a"],
  ["STX", "0xec7a775f46379b5e943c3526b1c8d54cd49749176b0b98e02dde68d1bd335c17"],
  ["TIA", "0x09f7c1d7dfbb7df2b8fe3d3d87ee94a2259d212da4f30c1f0540d066dfa44723"],
  ["UNI", "0x78d185a741d07edb3412b09008b7c5cfb9bbbd7d568bf00ba737b456ba171501"],
  ["XLM", "0xb7a8eba68a997cd0210c2e1e4ee811ad2d174b3611c22d9ebf16f4cb7e9ba850"],
  ["XRP", "0xec5d399846a9209f3fe5881d70aae9268c94339ff9817e8d18ff19fa05eea1c8"],
  // collateral
  ["USDC", "0xeaa020c61cc479712813461ce153894a96a6c00b21ed0cfc2798d1f9a9e9c94a"],
  ["USDE", "0x6ec879b1e9963de5ee97e9c8710b742d6228252a5e2ca12d4ae81d7fe5ee8c5d"],
  ["DAI", "0xb0948a5e5313200c632b51bb5ca32f6de0d36e9950a942d19751e833f70dabfd"]
]);
var collateralMappingWithRegularSymbol = /* @__PURE__ */ new Map([
  ["seth", "eth"],
  ["wbtc", "btc"],
  ["fbtc", "btc"],
  ["wsteth", "eth"],
  ["fdai", "dai"],
  ["susdc", "usdc"],
  ["susde", "usde"],
  ["steth", "eth"],
  ["fsol", "sol"],
  ["fusdc", "usdc"],
  ["fusdt", "usdt"],
  ["ssol", "sol"],
  ["sdai", "dai"],
  ["usdx", "usdc"],
  ["stbtc", "btc"]
]);

// src/common/helpers.ts
import { formatEther, parseEther } from "viem";
function convertWeiToEther(amountInWei) {
  if (amountInWei == void 0) {
    throw new Error("Invalid amount received during conversion: undefined");
  }
  if (typeof amountInWei == "bigint") {
    return Number(formatEther(amountInWei));
  } else if (typeof amountInWei == "string") {
    return Number(formatEther(BigInt(amountInWei)));
  } else {
    throw new Error("Expected string or bigint for conversion");
  }
}

// src/perps/positions.ts
import Decimal2 from "decimal.js";
var getProfitOrLossInUsd = (marketPrice, avgPrice, positionSize) => {
  const profitOrLossPerToken = new Decimal2(marketPrice).minus(avgPrice);
  return new Decimal2(positionSize).times(profitOrLossPerToken);
};

// src/perps/offchain.ts
var calculateUnrealizedPnlForPositions = (positions, priceData) => {
  let totalUnrealizedPnl = DECIMAL_ZERO;
  positions.forEach((position) => {
    const currentPrice = getPriceFromPriceArray(priceData, position.market?.feedId);
    const unrealizedPnl = getProfitOrLossInUsd(
      currentPrice,
      convertWeiToEther(position.avgPrice),
      convertWeiToEther(position.positionSize)
    );
    totalUnrealizedPnl = totalUnrealizedPnl.add(unrealizedPnl);
  });
  return totalUnrealizedPnl;
};
var calculateUsdValueOfCollateralDeposits = (collateralDeposits, priceData) => {
  let totalCollateralValueInUsd = DECIMAL_ZERO;
  collateralDeposits.forEach((deposit) => {
    const price = getPriceFromPriceArray(priceData, void 0, deposit.collateralSymbol);
    const usdValue = convertWeiToEther(deposit.currentDepositedAmount) * price;
    totalCollateralValueInUsd = totalCollateralValueInUsd.add(usdValue);
  });
  return totalCollateralValueInUsd;
};
var getPriceFromPriceArray = (priceData, priceId, tokenSymbol) => {
  if (!priceId && !tokenSymbol) return 0;
  if (!priceId) {
    const formattedSymbol = collateralMappingWithRegularSymbol.get(tokenSymbol?.toLowerCase() || "") || tokenSymbol?.toLowerCase();
    priceId = SYMBOL_TO_PYTH_FEED.get(formattedSymbol?.toUpperCase() || "");
  }
  const price = priceId ? priceData.find((p) => p.id === priceId.slice(2))?.price || 0 : 0;
  console.log("price: ", priceId, price);
  return price;
};
var calculateLiquidationPriceOffchain = ({
  availableMarginInUsd,
  marginBufferInUsd,
  formattedPositionSize,
  formattedMarketPrice
}) => {
  if (formattedPositionSize == 0) return formattedMarketPrice;
  if (availableMarginInUsd == 0) return 0;
  const lossPerToken = Math.abs((marginBufferInUsd - availableMarginInUsd) / formattedPositionSize);
  let liquidationPrice;
  if (formattedPositionSize > 0) {
    liquidationPrice = formattedMarketPrice - lossPerToken;
  } else {
    liquidationPrice = formattedMarketPrice + lossPerToken;
  }
  return liquidationPrice;
};
export {
  calculateLiquidationPriceOffchain,
  calculateUnrealizedPnlForPositions,
  calculateUsdValueOfCollateralDeposits,
  getPriceFromPriceArray
};
//# sourceMappingURL=offchain.mjs.map