olympus-protocol-connector
Version:
Module made by Olympus Labs for easier access to the Olympus protocol through Javascript/Typescript
137 lines • 7.71 kB
JavaScript
"use strict";
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:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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 MutexChecker_1 = require("../../../utils/MutexChecker");
var Derivative_1 = require("../../Derivative");
var Service_1 = require("../../../Service");
var Enums_1 = require("../../../interfaces/Enums");
var OlympusIndex_1 = require("../../abi/OlympusIndex");
var IndexBuyTokenService = /** @class */ (function (_super) {
__extends(IndexBuyTokenService, _super);
function IndexBuyTokenService(indexAddress, abi) {
if (abi === void 0) { abi = OlympusIndex_1.OLYMPUS_INDEX_ABI; }
var _this = _super.call(this, indexAddress, abi, Enums_1.AbiName.INDEX_ABI) || this;
_this.minimumETHBalanceToBuy = Math.pow(10, 17);
_this.indexAddress = indexAddress; // Alias of address
_this.derivativeFunctions = new Derivative_1.DerivativeService(indexAddress);
return _this;
}
IndexBuyTokenService.create = function (productAddress) {
return new IndexBuyTokenService(productAddress);
};
IndexBuyTokenService.prototype.setMinimumETHBalanceToBuy = function (_minimumETHBalanceToBuy) {
this.minimumETHBalanceToBuy = _minimumETHBalanceToBuy;
};
IndexBuyTokenService.prototype.getMinimumETHBalanceToBuy = function () {
return this.minimumETHBalanceToBuy;
};
IndexBuyTokenService.prototype.getETHBalance = function () {
return __awaiter(this, void 0, void 0, function () {
var e_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 4]);
return [4 /*yield*/, this.derivativeFunctions.nativeContract.getETHBalance.call()];
case 1: return [2 /*return*/, _a.sent()];
case 2:
e_1 = _a.sent();
return [4 /*yield*/, this.rpcService.getBalance(this.indexAddress)];
case 3: return [2 /*return*/, _a.sent()];
case 4: return [2 /*return*/];
}
});
});
};
IndexBuyTokenService.prototype.canBuyTokens = function () {
return __awaiter(this, void 0, void 0, function () {
var mutex, mutexResult, lockerResult;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, MutexChecker_1.Mutex.create(this.indexAddress)];
case 1:
mutex = _a.sent();
return [4 /*yield*/, mutex.checkMutex(Enums_1.IndexProductStatus.BUYING)];
case 2:
mutexResult = _a.sent();
return [4 /*yield*/, mutex.checkLocker(Enums_1.DerivativeProviders.BUYTOKENS)];
case 3:
lockerResult = _a.sent();
if (!mutexResult.flag || mutexResult.productStatus === Enums_1.IndexProductStatus.AVAILABLE && !lockerResult.flag) {
this.log("BuyTokens skipped because mutex or locker " + (!mutexResult.flag ? mutexResult.message : lockerResult.message));
return [2 /*return*/, false];
}
return [4 /*yield*/, this.getETHBalance()];
case 4:
// If the balance is smaller than MINIMUM_BUYTOKENS wei (0.000000000000001 ETH), we don't do the allocation.
// This is to prevent any leftover funds from rounding.
if ((_a.sent()).toNumber() < this.minimumETHBalanceToBuy) {
this.log('BuyTokens skipped because the minimum amount of ETH to buy tokens is not surpassed.');
return [2 /*return*/, false];
}
return [4 /*yield*/, this.derivativeFunctions.getStatus()];
case 5:
if ((_a.sent()) === Enums_1.DerivativeStatus.Closed) {
this.log('BuyTokens skipped because the derivative is closed');
return [2 /*return*/, false];
}
return [2 /*return*/, true];
}
});
});
};
IndexBuyTokenService.prototype.getIndexBuyTokensTxData = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.contract.buyTokens.getData()];
});
});
};
return IndexBuyTokenService;
}(Service_1.Service));
exports.IndexBuyTokenService = IndexBuyTokenService;
//# sourceMappingURL=IndexBuyTokens.js.map