olympus-protocol-connector
Version:
Module made by Olympus Labs for easier access to the Olympus protocol through Javascript/Typescript
151 lines • 7.67 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var Enums_1 = require("../../../interfaces/Enums");
var Service_1 = require("../../../Service");
var constants_1 = require("../../../interfaces/constants");
var Promisify_1 = require("../../../utils/Promisify");
var _ = require("lodash");
var ExchangeManagerService_1 = require("./ExchangeManagerService");
var ExchangeProvider_1 = require("../../../derivatives/abi/ExchangeProvider");
var ExchangeService = /** @class */ (function (_super) {
__extends(ExchangeService, _super);
function ExchangeService(address, abi) {
if (abi === void 0) { abi = ExchangeProvider_1.EXCHANGE_PROVIDER_ABI; }
return _super.call(this, address, abi, Enums_1.AbiName.EXCHANGE_PROVIDER) || this;
}
/**
* @deprecated Use method create
* @param address address
*/
ExchangeService.get = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, ExchangeService.create(address)];
});
});
};
ExchangeService.create = function (address) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new ExchangeService(address)];
});
});
};
ExchangeService.prototype.amounts1ETH = function (length) {
var _this = this;
var amounts = _.times(length).map(function (_v) { return _this.contract.toWei(1, 'ether'); });
return amounts;
};
// Array of amounts 1 TOKEN worthy
ExchangeService.prototype.amounts1Token = function (tokens) {
var amounts = tokens.map(function (token) { return 1 * (Math.pow(10, token.decimals)); });
return amounts;
};
ExchangeService.prototype.getBuyRates = function (tokensAddresses, amounts) {
return __awaiter(this, void 0, void 0, function () {
var rates;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(tokensAddresses.map(function (address, index) {
return _this.getRate(constants_1.ETH, address, amounts[index]);
}))];
case 1:
rates = _a.sent();
return [2 /*return*/, rates.map(function (_v, index) {
return ({ basePrice: rates[index][0], slippagePrice: rates[index][1] });
})];
}
});
});
};
// expectedRate, slippageRate
ExchangeService.prototype.getRate = function (fromAddress, toAddress, amount) {
var _this = this;
return Promisify_1.Promisify(function (cb) {
return _this.contract.getPrice(fromAddress, toAddress, amount, '', cb);
});
};
ExchangeService.prototype.getSellRates = function (tokensAddresses, amounts) {
return __awaiter(this, void 0, void 0, function () {
var rates;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, Promise.all(tokensAddresses.map(function (address, index) {
return _this.getRate(address, constants_1.ETH, amounts[index]);
}))];
case 1:
rates = _a.sent();
return [2 /*return*/, rates.map(function (_v, index) {
return ({ basePrice: rates[index][0], slippagePrice: rates[index][1] });
})];
}
});
});
};
ExchangeService.prototype.getExchangeManager = function () {
return __awaiter(this, void 0, void 0, function () {
var managerAddress;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.retryRequest('exchangeAdapterManager', 'error')];
case 1:
managerAddress = _a.sent();
return [4 /*yield*/, ExchangeManagerService_1.ExchangeManagerService.create(managerAddress)];
case 2:
// TODO get it from the public variable when is redeployed in the chain
return [2 /*return*/, _a.sent()];
}
});
});
};
return ExchangeService;
}(Service_1.Service));
exports.ExchangeService = ExchangeService;
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