hector-rubic-sdk
Version:
Simplify dApp creation
213 lines • 12.6 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.UniswapV3AlgebraAbstractProvider = void 0;
var instant_trade_provider_1 = require("../../../instant-trade-provider");
var core_1 = require("../../../../../core");
var options_1 = require("../../../../../common/utils/options");
var token_native_address_proxy_1 = require("../utils/token-native-address-proxy");
var common_1 = require("../../../../../common");
var get_from_to_tokens_amounts_by_exact_1 = require("../utils/get-from-to-tokens-amounts-by-exact");
var empty_address_1 = require("../../../../../core/blockchain/constants/empty-address");
var UniswapV3AlgebraAbstractProvider = /** @class */ (function (_super) {
__extends(UniswapV3AlgebraAbstractProvider, _super);
function UniswapV3AlgebraAbstractProvider() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.isRubicOptimisationEnabled = true;
_this.gasMargin = 1.2;
_this.defaultOptions = {
gasCalculation: 'calculate',
disableMultihops: false,
deadlineMinutes: 20,
slippageTolerance: 0.02,
wrappedAddress: empty_address_1.EMPTY_ADDRESS,
fromAddress: ''
};
return _this;
}
UniswapV3AlgebraAbstractProvider.prototype.calculate = function (from, toToken, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.calculateDifficultTrade(from, toToken, 'input', from.weiAmount, options)];
});
});
};
UniswapV3AlgebraAbstractProvider.prototype.calculateExactOutput = function (fromToken, to, options) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.calculateDifficultTrade(fromToken, to, 'output', to.weiAmount, options)];
});
});
};
UniswapV3AlgebraAbstractProvider.prototype.calculateExactOutputAmount = function (fromToken, 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(fromToken, to, options)];
case 1: return [2 /*return*/, (_a.sent()).from.tokenAmount];
}
});
});
};
UniswapV3AlgebraAbstractProvider.prototype.calculateDifficultTrade = function (fromToken, toToken, exact, weiAmount, options) {
return __awaiter(this, void 0, void 0, function () {
var fullOptions, fromClone, toClone, gasPriceInfo, _a, route, estimatedGas, _b, from, to, tradeStruct, gasFeeInfo;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
fullOptions = (0, options_1.combineOptions)(options, this.defaultOptions);
fromClone = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(fromToken, this.providerConfiguration.wethAddress);
toClone = (0, token_native_address_proxy_1.createTokenNativeAddressProxy)(toToken, this.providerConfiguration.wethAddress);
if (!(fullOptions.gasCalculation !== 'disabled')) return [3 /*break*/, 2];
return [4 /*yield*/, this.getGasPriceInfo()];
case 1:
gasPriceInfo = _c.sent();
_c.label = 2;
case 2: return [4 /*yield*/, this.getRoute(fromClone, toClone, exact, weiAmount, fullOptions, gasPriceInfo === null || gasPriceInfo === void 0 ? void 0 : gasPriceInfo.gasPriceInUsd)];
case 3:
_a = _c.sent(), route = _a.route, estimatedGas = _a.estimatedGas;
_b = (0, get_from_to_tokens_amounts_by_exact_1.getFromToTokensAmountsByExact)(fromToken, toToken, exact, weiAmount, route.outputAbsoluteAmount), from = _b.from, to = _b.to;
tradeStruct = {
from: from,
to: to,
exact: exact,
slippageTolerance: fullOptions.slippageTolerance,
deadlineMinutes: fullOptions.deadlineMinutes
};
if (fullOptions.gasCalculation === 'disabled') {
return [2 /*return*/, this.createTradeInstance(tradeStruct, route)];
}
gasFeeInfo = this.getGasFeeInfo(estimatedGas, gasPriceInfo);
return [2 /*return*/, this.createTradeInstance(__assign(__assign({}, tradeStruct), { gasFeeInfo: gasFeeInfo }), route)];
}
});
});
};
UniswapV3AlgebraAbstractProvider.prototype.getRoute = function (from, to, exact, weiAmount, options, gasPriceInUsd) {
var _a;
return __awaiter(this, void 0, void 0, function () {
var routes, estimatedGasLimits_1, calculatedProfits, sortedRoutes, route, estimatedGas;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.quoterController.getAllRoutes(from, to, exact, weiAmount.toFixed(0), options.disableMultihops ? 0 : this.providerConfiguration.maxTransitTokens)];
case 1:
routes = (_b.sent()).sort(function (a, b) {
return b.outputAbsoluteAmount.comparedTo(a.outputAbsoluteAmount) *
(exact === 'input' ? 1 : -1);
});
if (routes.length === 0) {
throw new common_1.InsufficientLiquidityError();
}
if (options.gasCalculation === 'disabled' && (routes === null || routes === void 0 ? void 0 : routes[0])) {
return [2 /*return*/, {
route: routes[0]
}];
}
if (!(!this.isRubicOptimisationEnabled &&
options.gasCalculation === 'rubicOptimisation' &&
((_a = to.price) === null || _a === void 0 ? void 0 : _a.isFinite()) &&
gasPriceInUsd)) return [3 /*break*/, 3];
return [4 /*yield*/, this.InstantTradeClass.estimateGasLimitForRoutes(from, to, exact, weiAmount, options, routes)];
case 2:
estimatedGasLimits_1 = _b.sent();
calculatedProfits = routes.map(function (route, index) {
var estimatedGas = estimatedGasLimits_1[index];
if (!estimatedGas) {
throw new Error('[RUBIC SDK] Estimate gas has have to be defined.');
}
var gasFeeInUsd = gasPriceInUsd.multipliedBy(estimatedGas);
var profit = core_1.Web3Pure.fromWei(route.outputAbsoluteAmount, to.decimals)
.multipliedBy(to.price)
.minus(gasFeeInUsd);
return {
route: route,
estimatedGas: estimatedGas,
profit: profit
};
});
sortedRoutes = calculatedProfits.sort(function (a, b) { return b.profit.comparedTo(a.profit); })[0];
if (!sortedRoutes) {
throw new Error('[RUBIC SDK] Sorted routes have to be defined.');
}
return [2 /*return*/, sortedRoutes];
case 3:
route = routes[0];
if (!route) {
throw new Error('[RUBIC SDK] Route has to be defined.');
}
return [4 /*yield*/, this.InstantTradeClass.estimateGasLimitForRoute(from, to, exact, weiAmount, options, route)];
case 4:
estimatedGas = _b.sent();
return [2 /*return*/, {
route: route,
estimatedGas: estimatedGas
}];
}
});
});
};
return UniswapV3AlgebraAbstractProvider;
}(instant_trade_provider_1.InstantTradeProvider));
exports.UniswapV3AlgebraAbstractProvider = UniswapV3AlgebraAbstractProvider;
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