@molecularlabs/nucleus-frontend/dist/display/bridge-fees.js

Nucleus BoringVault Frontend SDK

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
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 __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var bridge_fees_exports = {};
__export(bridge_fees_exports, {
  getBridgeFee: () => getBridgeFee
});
module.exports = __toCommonJS(bridge_fees_exports);
var import_teller = require("../api/teller");
var import_constants = require("../constants");
var import_vaults = require("../vaults");
var import_bridge = require("../vaults/bridge");
const getBridgeFee = async ({
  vaultKey,
  bridgeAmount,
  sourceChainId,
  destinationChainId,
  userAddress,
  nativeTokenForBridgeFee = import_constants.NATIVE_TOKEN_FOR_BRIDGE_FEE
}) => {
  const vault = await (0, import_vaults.getVaultByKey)(vaultKey);
  if (!vault) {
    throw new Error(`Invalid vault key: ${vaultKey}`);
  }
  if (!vault.contracts) {
    throw new Error(`Contracts not configured for vault ${vaultKey}`);
  }
  if (!vault.contracts.boringVault) {
    throw new Error(
      `BoringVault contract not configured for vault ${vaultKey}`
    );
  }
  if (!vault.contracts.accountant) {
    throw new Error(`Accountant contract not configured for vault ${vaultKey}`);
  }
  if (!vault.contracts.teller) {
    throw new Error(`Teller contract not configured for vault ${vaultKey}`);
  }
  const sourceChain = vault.withdraw.sourceChains[sourceChainId];
  if (!sourceChain) {
    throw new Error(`Source chain not configured for vault ${vaultKey}`);
  }
  const destinationChain = sourceChain.destinationChains[destinationChainId];
  if (!destinationChain) {
    throw new Error(`Destination chain not configured for vault ${vaultKey}`);
  }
  const bridgeChainIdentifier = destinationChain.bridge.chainIdentifier;
  const bridgeContractArg = (0, import_bridge.prepareBridgeContractArg)({
    bridgeChainIdentifier,
    userAddress,
    nativeTokenForBridgeFee
  });
  const previewFee = await (0, import_teller.getPreviewFee)({
    shareAmount: bridgeAmount,
    bridgeData: bridgeContractArg,
    contractAddress: vault.contracts.teller,
    chainId: sourceChainId
  });
  return previewFee;
};
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