@unilogin/sdk
Version:
SDK is a JS library, that communicates with relayer. SDK allows managing contract, by creating basic contract-calling messages.
167 lines • 8.92 kB
JavaScript
"use strict";
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) {
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 };
}
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
var WalletEventsObserver_1 = require("./WalletEventsObserver");
var commons_1 = require("@unilogin/commons");
var errors_1 = require("../utils/errors");
var StorageEntry_1 = require("../services/StorageEntry");
var MemoryStorageService_1 = require("../services/MemoryStorageService");
var sanitizers_1 = require("@restless/sanitizers");
var STORAGE_KEY = 'LAST_BLOCK_NUMBER';
var WalletEventsObserverFactory = /** @class */ (function () {
function WalletEventsObserverFactory(blockchainService, currentBlock, storageService) {
if (storageService === void 0) { storageService = new MemoryStorageService_1.MemoryStorageService(); }
this.blockchainService = blockchainService;
this.currentBlock = currentBlock;
this.observers = {};
this.unsubscribe = null;
this.blockNumberStorage = new StorageEntry_1.StorageEntry(STORAGE_KEY, sanitizers_1.asNumber, storageService);
}
WalletEventsObserverFactory.prototype.start = function () {
return __awaiter(this, void 0, void 0, function () {
var _a, _b;
var _this = this;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
_b = (_a = this.currentBlock).set;
return [4 /*yield*/, this.blockchainService.getBlockNumber()];
case 1:
_b.apply(_a, [_c.sent()]);
if (!this.blockNumberStorage.get()) {
this.blockNumberStorage.set(this.currentBlock.get());
}
this.unsubscribe = this.currentBlock.subscribe(function () { return _this.fetchEvents(); });
return [2 /*return*/];
}
});
});
};
WalletEventsObserverFactory.prototype.fetchEvents = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
commons_1.ensureNotNullish(this.currentBlock.get(), errors_1.InvalidObserverState);
if (Object.keys(this.observers).length === 0) {
return [2 /*return*/];
}
return [4 /*yield*/, this.fetchEventsOfTypes(['KeyAdded', 'KeyRemoved', 'AddedOwner', 'RemovedOwner'])];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
WalletEventsObserverFactory.prototype.fetchEventsOfTypes = function (types) {
return __awaiter(this, void 0, void 0, function () {
var currentBlockNumber, storageBlockNumber, _a, _b, contractAddress, e_1_1;
var e_1, _c;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
currentBlockNumber = this.currentBlock.get();
storageBlockNumber = this.blockNumberStorage.get();
commons_1.ensureNotNullish(currentBlockNumber, errors_1.InvalidObserverState);
commons_1.ensureNotNullish(storageBlockNumber, errors_1.MissingParameter, 'storageBlockNumber');
if (currentBlockNumber === storageBlockNumber) {
return [2 /*return*/];
}
this.blockNumberStorage.set(currentBlockNumber);
_d.label = 1;
case 1:
_d.trys.push([1, 6, 7, 8]);
_a = __values(Object.keys(this.observers)), _b = _a.next();
_d.label = 2;
case 2:
if (!!_b.done) return [3 /*break*/, 5];
contractAddress = _b.value;
return [4 /*yield*/, this.observers[contractAddress].fetchEvents(storageBlockNumber + 1, types)];
case 3:
_d.sent();
_d.label = 4;
case 4:
_b = _a.next();
return [3 /*break*/, 2];
case 5: return [3 /*break*/, 8];
case 6:
e_1_1 = _d.sent();
e_1 = { error: e_1_1 };
return [3 /*break*/, 8];
case 7:
try {
if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
}
finally { if (e_1) throw e_1.error; }
return [7 /*endfinally*/];
case 8: return [2 /*return*/];
}
});
});
};
WalletEventsObserverFactory.prototype.subscribe = function (eventType, filter, callback) {
this.observers[filter.contractAddress] = this.observers[filter.contractAddress] || new WalletEventsObserver_1.WalletEventsObserver(filter.contractAddress, this.blockchainService);
var observableRecord = { key: filter.key, callback: callback };
var unsubscribe = this.observers[filter.contractAddress].subscribe(eventType, observableRecord);
this.fetchEvents();
return unsubscribe;
};
WalletEventsObserverFactory.prototype.stop = function () {
commons_1.ensureNotNullish(this.unsubscribe, errors_1.InvalidObserverState);
this.unsubscribe();
this.unsubscribe = null;
};
WalletEventsObserverFactory.prototype.finalizeAndStop = function () {
this.stop();
};
return WalletEventsObserverFactory;
}());
exports.default = WalletEventsObserverFactory;
//# sourceMappingURL=WalletEventsObserverFactory.js.map