hector-rubic-sdk
Version:
Simplify dApp creation
226 lines • 13.6 kB
JavaScript
;
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) {
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
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}
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CrossChainManager = void 0;
var token_1 = require("../../core/blockchain/tokens/token");
var object_1 = require("../../common/utils/object");
var rubic_sdk_error_1 = require("../../common/errors/rubic-sdk.error");
var options_1 = require("../../common/utils/options");
var tokens_1 = require("../../common/utils/tokens");
var celer_cross_chain_trade_provider_1 = require("./providers/celer-trade-provider/celer-cross-chain-trade-provider");
var features_1 = require("..");
var p_timeout_1 = __importDefault(require("../../common/utils/p-timeout"));
var type_guards_1 = require("../instant-trades/utils/type-guards");
var bignumber_js_1 = __importDefault(require("bignumber.js"));
var symbiosis_cross_chain_trade_provider_1 = require("./providers/symbiosis-trade-provider/symbiosis-cross-chain-trade-provider");
var rubic_cross_chain_trade_provider_1 = require("./providers/rubic-trade-provider/rubic-cross-chain-trade-provider");
var CrossChainManager = /** @class */ (function () {
function CrossChainManager(providerAddress) {
this.providerAddress = providerAddress;
this.tradeProviders = [
rubic_cross_chain_trade_provider_1.RubicCrossChainTradeProvider,
celer_cross_chain_trade_provider_1.CelerCrossChainTradeProvider,
symbiosis_cross_chain_trade_provider_1.SymbiosisCrossChainTradeProvider
].reduce(function (acc, ProviderClass) {
var provider = new ProviderClass();
acc[provider.type] = provider;
return acc;
}, {});
}
CrossChainManager.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 different.');
}
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.calculateBestTradeFromTokens(from, to, this.getFullOptions(options))];
}
});
});
};
CrossChainManager.prototype.getFullOptions = function (options) {
return (0, options_1.combineOptions)(options, {
fromSlippageTolerance: CrossChainManager.defaultSlippageTolerance,
toSlippageTolerance: CrossChainManager.defaultSlippageTolerance,
gasCalculation: 'enabled',
disabledProviders: [],
timeout: CrossChainManager.defaultCalculationTimeout,
providerAddress: this.providerAddress,
slippageTolerance: CrossChainManager.defaultSlippageTolerance * 2,
deadline: CrossChainManager.defaultDeadline,
fromAddress: ''
});
};
CrossChainManager.prototype.calculateBestTradeFromTokens = function (from, to, options) {
var _a, _b;
return __awaiter(this, void 0, void 0, function () {
var wrappedTrades, transitTokenAmount, sortedTrades, filteredTrades, minAmountError, maxAmountError;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.calculateTradeFromTokens(from, to, this.getFullOptions(options))];
case 1:
wrappedTrades = _c.sent();
if (!(0, type_guards_1.hasLengthAtLeast)(wrappedTrades, 1)) {
throw new Error('[RUBIC SDK] Trades array has to be defined');
}
transitTokenAmount = (_b = (_a = wrappedTrades.find(function (wrappedTrade) { return wrappedTrade.trade instanceof features_1.CelerCrossChainTrade; })) === null || _a === void 0 ? void 0 : _a.trade) === null || _b === void 0 ? void 0 : _b.fromTrade.toToken.tokenAmount;
sortedTrades = wrappedTrades.sort(function (firstTrade, secondTrade) {
var firstTradeAmount = _this.getProviderRatio(firstTrade.trade, transitTokenAmount);
var secondTradeAmount = _this.getProviderRatio(secondTrade.trade, transitTokenAmount);
return firstTradeAmount.comparedTo(secondTradeAmount);
});
filteredTrades = sortedTrades.filter(function (trade) { return !(trade === null || trade === void 0 ? void 0 : trade.minAmountError) && !(trade === null || trade === void 0 ? void 0 : trade.maxAmountError); });
if (filteredTrades.length) {
return [2 /*return*/, {
trade: filteredTrades[0].trade
}];
}
sortedTrades.forEach(function (trade) {
if (trade.minAmountError) {
minAmountError = minAmountError
? bignumber_js_1.default.min(minAmountError, trade.minAmountError)
: trade.minAmountError;
}
if (trade.maxAmountError) {
maxAmountError = maxAmountError
? bignumber_js_1.default.max(maxAmountError, trade.maxAmountError)
: trade.maxAmountError;
}
});
return [2 /*return*/, {
trade: sortedTrades[0].trade,
minAmountError: minAmountError,
maxAmountError: maxAmountError
}];
}
});
});
};
CrossChainManager.prototype.getProviderRatio = function (trade, transitTokenAmount) {
if (!trade) {
return new bignumber_js_1.default(Infinity);
}
if (trade instanceof features_1.SymbiosisCrossChainTrade) {
return transitTokenAmount.dividedBy(trade.to.tokenAmount);
}
return transitTokenAmount
.plus(trade.cryptoFeeToken.price)
.dividedBy(trade.to.tokenAmount);
};
CrossChainManager.prototype.calculateTradeFromTokens = function (from, to, options) {
return __awaiter(this, void 0, void 0, function () {
var disabledProviders, timeout, providersOptions, providers, calculationPromises, results;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
disabledProviders = options.disabledProviders, timeout = options.timeout, providersOptions = __rest(options, ["disabledProviders", "timeout"]);
providers = Object.entries(this.tradeProviders).filter(function (_a) {
var type = _a[0];
if (disabledProviders.includes(type)) {
return false;
}
if (type === features_1.CROSS_CHAIN_TRADE_TYPE.RUBIC &&
celer_cross_chain_trade_provider_1.CelerCrossChainTradeProvider.isSupportedBlockchain(from.blockchain) &&
celer_cross_chain_trade_provider_1.CelerCrossChainTradeProvider.isSupportedBlockchain(to.blockchain)) {
return false;
}
return true;
});
if (!providers.length) {
throw new rubic_sdk_error_1.RubicSdkError("There are no providers for trade");
}
calculationPromises = providers.map(function (_a) {
var type = _a[0], provider = _a[1];
return __awaiter(_this, void 0, void 0, function () {
var calculation, e_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_b.trys.push([0, 2, , 3]);
calculation = provider.calculate(from, to, providersOptions);
return [4 /*yield*/, (0, p_timeout_1.default)(calculation, 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()).filter(object_1.notNull);
if (!(results === null || results === void 0 ? void 0 : results.length)) {
throw new Error('[RUBIC_SDK] No success providers calculation for the trade.');
}
return [2 /*return*/, results];
}
});
});
};
CrossChainManager.defaultCalculationTimeout = 360000;
CrossChainManager.defaultSlippageTolerance = 0.02;
CrossChainManager.defaultDeadline = 20;
return CrossChainManager;
}());
exports.CrossChainManager = CrossChainManager;
//# sourceMappingURL=cross-chain-manager.js.map