tornado-oracles/lib/feeOracleV4.js

96 lines
5.9 KiB
JavaScript

"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.TornadoFeeOracleV4 = void 0;
var config_1 = require("./config");
var feeOracle_1 = require("./feeOracle");
var utils_1 = require("./utils");
/**
* Oracle for V4 (old-version) transactions - estimates fee with predefined gas limit and without smart bumping
*/
var TornadoFeeOracleV4 = /** @class */ (function (_super) {
__extends(TornadoFeeOracleV4, _super);
function TornadoFeeOracleV4(chainId, rpcUrl) {
return _super.call(this, 4, chainId, rpcUrl) || this;
}
TornadoFeeOracleV4.prototype.getGasLimit = function (tx, type, bumpPercent) {
if (type === void 0) { type = 'other'; }
if (bumpPercent === void 0) { bumpPercent = 0; }
return __awaiter(this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (type === 'user_withdrawal')
return [2 /*return*/, (0, utils_1.bump)(config_1.defaultWithdrawalGasLimit[this.chainId], bumpPercent).toNumber()];
// Need to bump relayer gas limit for transaction, because predefined gas limit to small to be 100% sure that transaction will be sent
// This leads to fact that relayer often pays extra for gas from his own funds, however, this was designed by previous developers
if (type === 'relayer_withdrawal')
return [2 /*return*/, (0, utils_1.bump)(config_1.defaultWithdrawalGasLimit[this.chainId], bumpPercent || 25).toNumber()];
// For compatibility reasons, when wee check user-provided fee for V4 withdrawal transaction, we need dump gas limit
// for about 20 percent,so that the transaction will be sent, even if it results in some loss for the relayer
if (type === 'relayer_withdrawal_check_v4')
return [2 /*return*/, (0, utils_1.bump)(config_1.defaultWithdrawalGasLimit[this.chainId], -25).toNumber()];
if (!tx || Object.keys(tx).length === 0)
return [2 /*return*/, (0, utils_1.bump)(23000, bumpPercent).toNumber()];
_a = utils_1.bump;
return [4 /*yield*/, this.provider.estimateGas(tx)];
case 1: return [2 /*return*/, _a.apply(void 0, [_b.sent(), bumpPercent]).toNumber()];
}
});
});
};
return TornadoFeeOracleV4;
}(feeOracle_1.TornadoFeeOracle));
exports.TornadoFeeOracleV4 = TornadoFeeOracleV4;
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