@authereum/resolution
Version:
Domain Resolution for blockchain domains
132 lines (131 loc) • 6.57 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
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 extendStatics(d, b);
};
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) {
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 __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var BaseConnection_1 = __importDefault(require("./BaseConnection"));
var resolutionError_1 = __importStar(require("./errors/resolutionError"));
var FetchProvider = /** @class */ (function (_super) {
__extends(FetchProvider, _super);
function FetchProvider(name, url) {
var _this = _super.call(this) || this;
_this.url = url;
_this.name = name;
return _this;
}
FetchProvider.prototype.request = function (args) {
return __awaiter(this, void 0, void 0, function () {
var json;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.fetchJson(args)];
case 1:
json = _a.sent();
if (json.error) {
throw new resolutionError_1.default(resolutionError_1.ResolutionErrorCode.ServiceProviderError, {
providerMessage: json.error.message,
});
}
return [2 /*return*/, json.result];
}
});
});
};
FetchProvider.prototype.fetchJson = function (args) {
return __awaiter(this, void 0, void 0, function () {
var response, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4 /*yield*/, this.fetch(this.url, {
method: 'POST',
body: JSON.stringify({
jsonrpc: '2.0',
id: '1',
method: args.method,
params: args.params || [],
}),
headers: {
'Content-Type': 'application/json',
},
})];
case 1:
response = _a.sent();
return [4 /*yield*/, response.json()];
case 2: return [2 /*return*/, _a.sent()];
case 3:
error_1 = _a.sent();
if (error_1.name === 'FetchError') {
throw new resolutionError_1.default(resolutionError_1.ResolutionErrorCode.NamingServiceDown, {
method: this.name,
});
}
else {
throw error_1;
}
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
});
};
return FetchProvider;
}(BaseConnection_1.default));
exports.default = FetchProvider;