hector-rubic-sdk
Version:
Simplify dApp creation
196 lines • 10.4 kB
JavaScript
;
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var __importDefault = (this && this.__importDefault) || function (mod) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.AlgebraQuoterController = void 0;
var core_1 = require("../../../../../../../core");
var common_1 = require("../../../../../../../common");
var bignumber_js_1 = __importDefault(require("bignumber.js"));
var quoter_contract_data_1 = require("./constants/quoter-contract-data");
var injector_1 = require("../../../../../../../core/sdk/injector");
var router_tokens_1 = require("./constants/router-tokens");
var token_1 = require("../../../../../../../core/blockchain/tokens/token");
/**
* Works with requests, related to Uniswap v3 liquidity pools.
*/
var AlgebraQuoterController = /** @class */ (function () {
function AlgebraQuoterController() {
}
/**
* Converts algebra route to encoded bytes string to pass it to contract.
* Structure of encoded string: '0x${tokenAddress_0}${tokenAddress_1}...${tokenAddress_n}.
* @param path Symbol tokens, included in route.
* @return string Encoded string.
*/
AlgebraQuoterController.getEncodedPath = function (path) {
var encodedPath = path.reduce(function (accEncodedPath, token) { return accEncodedPath + token.address.slice(2).toLowerCase(); }, '');
return "0x".concat(encodedPath);
};
/**
* Returns swap method's name and arguments to pass it to Quoter contract.
* @param path Pools, included in route.
* @param exact Is exact input or output trade.
* @param weiAmount Amount of tokens to trade.
*/
AlgebraQuoterController.getQuoterMethodData = function (path, exact, weiAmount) {
if (path.length === 2 && (path === null || path === void 0 ? void 0 : path[0]) && (path === null || path === void 0 ? void 0 : path[1])) {
var methodName_1 = exact === 'input' ? 'quoteExactInputSingle' : 'quoteExactOutputSingle';
var limitSqrtPrice = 0;
return {
path: path,
methodData: {
methodName: methodName_1,
methodArguments: [path[0].address, path[1].address, weiAmount, limitSqrtPrice]
}
};
}
var methodName = exact === 'input' ? 'quoteExactInput' : 'quoteExactOutput';
var tokensPath = exact === 'input' ? path : path.reverse();
return {
path: path,
methodData: {
methodName: methodName,
methodArguments: [AlgebraQuoterController.getEncodedPath(tokensPath), weiAmount]
}
};
};
Object.defineProperty(AlgebraQuoterController.prototype, "web3Public", {
get: function () {
return injector_1.Injector.web3PublicService.getWeb3Public(core_1.BLOCKCHAIN_NAME.POLYGON);
},
enumerable: false,
configurable: true
});
AlgebraQuoterController.prototype.getOrCreateRouterTokens = function () {
return __awaiter(this, void 0, void 0, function () {
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!!this.routerTokens) return [3 /*break*/, 2];
_a = this;
return [4 /*yield*/, token_1.Token.createTokens(router_tokens_1.ROUTER_TOKENS, core_1.BLOCKCHAIN_NAME.POLYGON)];
case 1:
_a.routerTokens = _b.sent();
_b.label = 2;
case 2: return [2 /*return*/, this.routerTokens];
}
});
});
};
AlgebraQuoterController.prototype.getAllRoutes = function (from, to, exact, weiAmount, routeMaxTransitTokens) {
return __awaiter(this, void 0, void 0, function () {
var routesTokens, options, quoterMethodsData, results;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getOrCreateRouterTokens()];
case 1:
routesTokens = (_a.sent()).filter(function (token) { return !token.isEqualToTokens([from, to]); });
options = {
routesTokens: routesTokens,
to: to,
exact: exact,
weiAmount: weiAmount
};
quoterMethodsData = __spreadArray([], Array(routeMaxTransitTokens + 1), true).map(function (_, maxTransitTokens) {
return _this.getQuoterMethodsData(__assign(__assign({}, options), { maxTransitTokens: maxTransitTokens }), [from]);
})
.flat();
return [4 /*yield*/, this.web3Public.multicallContractMethods(quoter_contract_data_1.QUOTER_CONTRACT_ADDRESS, quoter_contract_data_1.QUOTER_CONTRACT_ABI, quoterMethodsData.map(function (quoterMethodData) { return quoterMethodData.methodData; }))];
case 2:
results = _a.sent();
return [2 /*return*/, results
.map(function (result, index) {
if (result.success) {
var quoter = quoterMethodsData === null || quoterMethodsData === void 0 ? void 0 : quoterMethodsData[index];
if (!quoter) {
throw new Error('[RUBIC SDK] Quoter has to be defined.');
}
return {
outputAbsoluteAmount: new bignumber_js_1.default(result.output[0]),
path: quoter.path
};
}
return null;
})
.filter(common_1.notNull)];
}
});
});
};
/**
* Returns swap methods' names and arguments, built with passed pools' addresses, to use it in Quoter contract.
*/
AlgebraQuoterController.prototype.getQuoterMethodsData = function (options, path) {
var _this = this;
var routesTokens = options.routesTokens, to = options.to, exact = options.exact, weiAmount = options.weiAmount, maxTransitTokens = options.maxTransitTokens;
if (path.length === maxTransitTokens + 1) {
return [AlgebraQuoterController.getQuoterMethodData(path.concat(to), exact, weiAmount)];
}
return routesTokens
.filter(function (token) { return !path.includes(token); })
.map(function (token) { return _this.getQuoterMethodsData(options, path.concat(token)); })
.flat();
};
return AlgebraQuoterController;
}());
exports.AlgebraQuoterController = AlgebraQuoterController;
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