hector-rubic-sdk
Version:
Simplify dApp creation
166 lines • 9.51 kB
JavaScript
;
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 __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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}
return t;
};
return __assign.apply(this, arguments);
};
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());
});
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var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
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}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.UniswapV2AbstractProvider = void 0;
var options_1 = require("../../../../../common/utils/options");
var price_token_amount_1 = require("../../../../../core/blockchain/tokens/price-token-amount");
var path_factory_1 = require("./path-factory");
var instant_trade_provider_1 = require("../../../instant-trade-provider");
var token_native_address_proxy_1 = require("../utils/token-native-address-proxy");
var empty_address_1 = require("../../../../../core/blockchain/constants/empty-address");
var UniswapV2AbstractProvider = /** @class */ (function (_super) {
__extends(UniswapV2AbstractProvider, _super);
function UniswapV2AbstractProvider() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.defaultOptions = {
gasCalculation: 'calculate',
disableMultihops: false,
deadlineMinutes: 20,
slippageTolerance: 0.02,
wrappedAddress: empty_address_1.EMPTY_ADDRESS,
fromAddress: ''
};
_this.gasMargin = 1.2;
return _this;
}
Object.defineProperty(UniswapV2AbstractProvider.prototype, "type", {
get: function () {
return this.InstantTradeClass.type;
},
enumerable: false,
configurable: true
});
UniswapV2AbstractProvider.prototype.calculate = function (from, to, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.calculateDifficultTrade(from, to, from.weiAmount, 'input', options)];
});
});
};
UniswapV2AbstractProvider.prototype.calculateExactOutput = function (from, to, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.calculateDifficultTrade(from, to, to.weiAmount, 'output', options)];
});
});
};
UniswapV2AbstractProvider.prototype.calculateExactOutputAmount = function (from, to, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.calculateExactOutput(from, to, options)];
case 1: return [2 /*return*/, (_a.sent()).from.tokenAmount];
}
});
});
};
UniswapV2AbstractProvider.prototype.calculateDifficultTrade = function (from, to, weiAmount, exact, options) {
return __awaiter(this, void 0, void 0, function () {
var fullOptions, fromProxy, toProxy, gasPriceInfo, _a, route, estimatedGas, fromAmount, toAmount, instantTrade;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
fullOptions = (0, options_1.combineOptions)(options, this.defaultOptions);
fromProxy = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(from, this.providerSettings.wethAddress);
toProxy = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(to, this.providerSettings.wethAddress);
if (!(fullOptions.gasCalculation !== 'disabled')) return [3 /*break*/, 2];
return [4 /*yield*/, this.getGasPriceInfo()];
case 1:
gasPriceInfo = _b.sent();
_b.label = 2;
case 2: return [4 /*yield*/, this.getAmountAndPath(fromProxy, toProxy, weiAmount, exact, fullOptions, gasPriceInfo === null || gasPriceInfo === void 0 ? void 0 : gasPriceInfo.gasPriceInUsd)];
case 3:
_a = _b.sent(), route = _a.route, estimatedGas = _a.estimatedGas;
fromAmount = exact === 'input' ? weiAmount : route.outputAbsoluteAmount;
toAmount = exact === 'output' ? weiAmount : route.outputAbsoluteAmount;
instantTrade = new this.InstantTradeClass({
from: new price_token_amount_1.PriceTokenAmount(__assign(__assign({}, from.asStruct), { weiAmount: fromAmount })),
to: new price_token_amount_1.PriceTokenAmount(__assign(__assign({}, to.asStruct), { weiAmount: toAmount })),
exact: exact,
wrappedPath: route.path,
deadlineMinutes: fullOptions.deadlineMinutes,
slippageTolerance: fullOptions.slippageTolerance
});
if (fullOptions.gasCalculation === 'disabled') {
return [2 /*return*/, instantTrade];
}
instantTrade.gasFeeInfo = this.getGasFeeInfo(estimatedGas, gasPriceInfo);
return [2 /*return*/, instantTrade];
}
});
});
};
UniswapV2AbstractProvider.prototype.getAmountAndPath = function (from, to, weiAmount, exact, options, gasPriceInUsd) {
return __awaiter(this, void 0, void 0, function () {
var pathFactory;
return __generator(this, function (_a) {
pathFactory = new path_factory_1.PathFactory(this, { from: from, to: to, weiAmount: weiAmount, exact: exact, options: options });
return [2 /*return*/, pathFactory.getAmountAndPath(gasPriceInUsd)];
});
});
};
return UniswapV2AbstractProvider;
}(instant_trade_provider_1.InstantTradeProvider));
exports.UniswapV2AbstractProvider = UniswapV2AbstractProvider;
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