tornado-oracles/lib/feeOracleV5.js

127 lines
6.8 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 };
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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; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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op = body.call(thisArg, _);
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TornadoFeeOracleV5 = void 0;
var config_1 = require("./config");
var feeOracle_1 = require("./feeOracle");
var utils_1 = require("./utils");
var feeOracleV4_1 = require("./feeOracleV4");
/**
* Oracle for new V5 version - estimates transaction fees with smart gas limit & bumping
*/
var TornadoFeeOracleV5 = /** @class */ (function (_super) {
__extends(TornadoFeeOracleV5, _super);
function TornadoFeeOracleV5(chainId, rpcUrl) {
var _this = _super.call(this, 5, chainId, rpcUrl) || this;
_this.fallbackFeeOracle = new feeOracleV4_1.TornadoFeeOracleV4(chainId, rpcUrl);
return _this;
}
TornadoFeeOracleV5.prototype.getGasLimit = function (tx, type, bumpPercent) {
if (type === void 0) { type = 'other'; }
if (bumpPercent === void 0) { bumpPercent = 20; }
return __awaiter(this, void 0, void 0, function () {
var fetchedGasLimit, e_1;
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)];
/* Relayer gas limit must be lower so that fluctuations in gas price cannot lead to the fact that
* the relayer will actually pay for gas more than the money allocated for this by the user
* (that is, in fact, relayer will pay for gas from his own money, unless we make the bump percent less for him)
*/
if (type === 'relayer_withdrawal')
bumpPercent = 10;
if (type === 'user_withdrawal')
bumpPercent = 30;
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, this.provider.estimateGas(tx)];
case 2:
fetchedGasLimit = _a.sent();
return [2 /*return*/, (0, utils_1.bump)(fetchedGasLimit, bumpPercent).toNumber()];
case 3:
e_1 = _a.sent();
return [2 /*return*/, this.fallbackFeeOracle.getGasLimit(tx, type, bumpPercent)];
case 4: return [2 /*return*/];
}
});
});
};
TornadoFeeOracleV5.prototype.getGasPriceParams = function (speed, bumpPercent) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
// Only if bump percent didn't provided (if user provides 0, no need to recalculate)
if (bumpPercent === undefined) {
switch (this.chainId) {
case config_1.ChainId.GOERLI:
bumpPercent = 100;
break;
case config_1.ChainId.POLYGON:
case config_1.ChainId.AVAX:
case config_1.ChainId.XDAI:
bumpPercent = 30;
break;
default:
bumpPercent = 10;
}
}
return [2 /*return*/, _super.prototype.getGasPriceParams.call(this, speed, bumpPercent)];
});
});
};
return TornadoFeeOracleV5;
}(feeOracle_1.TornadoFeeOracle));
exports.TornadoFeeOracleV5 = TornadoFeeOracleV5;
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