"use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (g && (g = 0, op[0] && (_ = 0)), _) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; Object.defineProperty(exports, "__esModule", { value: true }); exports.TornadoFeeOracleV6 = void 0; var config_1 = require("./config"); var feeOracle_1 = require("./feeOracle"); var utils_1 = require("./utils"); var feeOracleV5_1 = require("./feeOracleV5"); /** * V6 version that would cover every available networks and relayers * * Ported from https://git.tornado.ws/tornadocontrib/tornado-core/src/branch/main/src/fees.ts and has been verified over time */ var TornadoFeeOracleV6 = /** @class */ (function (_super) { __extends(TornadoFeeOracleV6, _super); function TornadoFeeOracleV6(chainId, rpcUrl, overrideGasPrice) { var _this = _super.call(this, 6, chainId, rpcUrl) || this; _this.fallbackFeeOracle = new feeOracleV5_1.TornadoFeeOracleV5(chainId, rpcUrl); _this.overrideGasPrice = overrideGasPrice; return _this; } /** * Apply static 10% gasLimit premium as it wouldn't change across nodes or relayers */ TornadoFeeOracleV6.prototype.getGasLimit = function (tx, type, bumpPercent) { if (type === void 0) { type = 'other'; } if (bumpPercent === void 0) { bumpPercent = 10; } return __awaiter(this, void 0, void 0, function () { var fetchedGasLimit; return __generator(this, function (_a) { switch (_a.label) { case 0: if (!tx || Object.keys(tx).length === 0) return [2 /*return*/, this.fallbackFeeOracle.getGasLimit(tx, type, bumpPercent)]; return [4 /*yield*/, this.provider.estimateGas(tx)]; case 1: fetchedGasLimit = _a.sent(); return [2 /*return*/, (0, utils_1.bump)(fetchedGasLimit, bumpPercent).toNumber()]; } }); }); }; /** * Apply static 30% gasPrice premium for EIP-1559 enabled networks * * Because Tornado Transactions are censored from block builders * it would take some time to be confirmed after when the transaction is broadcasted. * * We apply 30% premium and 56% overall premium to combat basefee spike * (Can spike 12.5% per block accoring to the EIP-1559 metrics https://metamask.io/1559/) */ TornadoFeeOracleV6.prototype.getGasPriceParams = function (speed, bumpPercent) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { if (this.overrideGasPrice) { return [2 /*return*/, this.overrideGasPrice]; } if (typeof bumpPercent === 'undefined') { bumpPercent = this.chainId === config_1.ChainId.BSC ? undefined : 30; } return [2 /*return*/, _super.prototype.getGasPriceParams.call(this, speed, bumpPercent)]; }); }); }; /** * Apply 20% premium from the calculated fee from UI, applies 5% fee from relayer to prevent arbitrage from refund */ TornadoFeeOracleV6.prototype.calculateWithdrawalFeeViaRelayer = function (params) { return __awaiter(this, void 0, void 0, function () { var fees, premium; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, _super.prototype.calculateWithdrawalFeeViaRelayer.call(this, params)]; case 1: fees = _a.sent(); premium = params.premium || (params.txType === 'user_withdrawal' ? 20 : 5); return [2 /*return*/, (0, utils_1.bump)(fees, premium).toHexString()]; } }); }); }; return TornadoFeeOracleV6; }(feeOracle_1.TornadoFeeOracle)); exports.TornadoFeeOracleV6 = TornadoFeeOracleV6; //# sourceMappingURL=feeOracleV6.js.map