hector-rubic-sdk
Version:
Simplify dApp creation
174 lines • 10.2 kB
JavaScript
;
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var __importDefault = (this && this.__importDefault) || function (mod) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.InstantTradesManager = void 0;
var rubic_sdk_error_1 = require("../../common/errors/rubic-sdk.error");
var object_1 = require("../../common/utils/object");
var options_1 = require("../../common/utils/options");
var p_timeout_1 = __importDefault(require("../../common/utils/p-timeout"));
var token_1 = require("../../core/blockchain/tokens/token");
var tokens_1 = require("../../common/utils/tokens");
var uniswap_v2_trade_providers_1 = require("./constants/uniswap-v2-trade-providers");
var uniswap_v3_trade_providers_1 = require("./constants/uniswap-v3-trade-providers");
var one_inch_trade_providers_1 = require("./constants/one-inch-trade-providers");
var zrx_trade_providers_1 = require("./constants/zrx-trade-providers");
var algebra_trade_providers_1 = require("./constants/algebra-trade-providers");
var empty_address_1 = require("../../core/blockchain/constants/empty-address");
var InstantTradesManager = /** @class */ (function () {
function InstantTradesManager() {
this.tradeProviders = __spreadArray(__spreadArray(__spreadArray(__spreadArray(__spreadArray([], uniswap_v2_trade_providers_1.UniswapV2TradeProviders, true), uniswap_v3_trade_providers_1.UniswapV3TradeProviders, true), one_inch_trade_providers_1.OneInchTradeProviders, true), zrx_trade_providers_1.ZrxTradeProviders, true), algebra_trade_providers_1.AlgebraTradeProviders, true).reduce(function (acc, ProviderClass) {
var provider = new ProviderClass();
acc[provider.type] = provider;
return acc;
}, {});
this.blockchainTradeProviders = Object.entries(this.tradeProviders).reduce(function (acc, _a) {
var _b, _c;
var type = _a[0], provider = _a[1];
return (__assign(__assign({}, acc), (_b = {}, _b[provider.blockchain] = __assign(__assign({}, acc[provider.blockchain]), (_c = {}, _c[type] = provider, _c)), _b)));
}, {});
}
InstantTradesManager.getFullOptions = function (options) {
return (0, options_1.combineOptions)(options, {
timeout: InstantTradesManager.defaultCalculationTimeout,
disabledProviders: [],
gasCalculation: 'calculate',
disableMultihops: false,
slippageTolerance: 0.02,
deadlineMinutes: 20,
wrappedAddress: empty_address_1.EMPTY_ADDRESS,
fromAddress: ''
});
};
InstantTradesManager.prototype.calculateTrade = function (fromToken, fromAmount, toToken, options) {
return __awaiter(this, void 0, void 0, function () {
var _a, from, to;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (toToken instanceof token_1.Token && fromToken.blockchain !== toToken.blockchain) {
throw new rubic_sdk_error_1.RubicSdkError('Blockchains of from and to tokens must be same.');
}
return [4 /*yield*/, (0, tokens_1.getPriceTokensFromInputTokens)(fromToken, fromAmount.toString(), toToken)];
case 1:
_a = _b.sent(), from = _a.from, to = _a.to;
return [2 /*return*/, this.calculateTradeFromTokens(from, to, InstantTradesManager.getFullOptions(options))];
}
});
});
};
InstantTradesManager.prototype.calculateTradeFromTokens = function (from, to, options) {
return __awaiter(this, void 0, void 0, function () {
var timeout, disabledProviders, providersOptions, providers, calculationPromises, results;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
timeout = options.timeout, disabledProviders = options.disabledProviders, providersOptions = __rest(options, ["timeout", "disabledProviders"]);
providers = Object.entries(this.blockchainTradeProviders[from.blockchain]).filter(function (_a) {
var type = _a[0];
return !disabledProviders.includes(type);
});
if (!providers.length) {
throw new rubic_sdk_error_1.RubicSdkError("There are no providers for ".concat(from.blockchain, " blockchain"));
}
calculationPromises = providers.map(function (_a) {
var type = _a[0], provider = _a[1];
return __awaiter(_this, void 0, void 0, function () {
var e_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 2, , 3]);
return [4 /*yield*/, (0, p_timeout_1.default)(provider.calculate(from, to, providersOptions), timeout)];
case 1: return [2 /*return*/, _b.sent()];
case 2:
e_1 = _b.sent();
console.debug("[RUBIC_SDK] Trade calculation error occurred for ".concat(type, " trade provider."), e_1);
return [2 /*return*/, null];
case 3: return [2 /*return*/];
}
});
});
});
return [4 /*yield*/, Promise.all(calculationPromises)];
case 1:
results = _a.sent();
return [2 /*return*/, results.filter(object_1.notNull)];
}
});
});
};
InstantTradesManager.defaultCalculationTimeout = 3000;
return InstantTradesManager;
}());
exports.InstantTradesManager = InstantTradesManager;
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