@stellar/stellar-sdk
Version:
A library for working with the Stellar network, including communication with the Horizon and Soroban RPC servers.
373 lines (372 loc) • 19 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.CallBuilder = void 0;
var _urijs = _interopRequireDefault(require("urijs"));
var _URITemplate = _interopRequireDefault(require("urijs/src/URITemplate"));
var _errors = require("../errors");
var _horizon_axios_client = require("./horizon_axios_client");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
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function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
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function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var JOINABLE = ["transaction"];
var anyGlobal = global;
var EventSource;
if (typeof true !== "undefined" && true) {
var _ref, _anyGlobal$EventSourc, _anyGlobal$window;
EventSource = (_ref = (_anyGlobal$EventSourc = anyGlobal.EventSource) !== null && _anyGlobal$EventSourc !== void 0 ? _anyGlobal$EventSourc : (_anyGlobal$window = anyGlobal.window) === null || _anyGlobal$window === void 0 ? void 0 : _anyGlobal$window.EventSource) !== null && _ref !== void 0 ? _ref : require("eventsource");
}
var CallBuilder = exports.CallBuilder = function () {
function CallBuilder(serverUrl, httpClient) {
var neighborRoot = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "";
_classCallCheck(this, CallBuilder);
this.url = serverUrl.clone();
this.filter = [];
this.originalSegments = this.url.segment() || [];
this.neighborRoot = neighborRoot;
this.httpClient = httpClient;
}
return _createClass(CallBuilder, [{
key: "call",
value: function call() {
var _this = this;
this.checkFilter();
return this._sendNormalRequest(this.url).then(function (r) {
return _this._parseResponse(r);
});
}
}, {
key: "stream",
value: function stream() {
var _this2 = this;
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
if (EventSource === undefined) {
throw new Error("Streaming requires eventsource to be enabled. If you need this functionality, compile with USE_EVENTSOURCE=true.");
}
this.checkFilter();
this.url.setQuery("X-Client-Name", "js-stellar-sdk");
this.url.setQuery("X-Client-Version", _horizon_axios_client.version);
var headers = this.httpClient.defaults.headers;
if (headers) {
var headerNames = ["X-App-Name", "X-App-Version"];
headerNames.forEach(function (name) {
var value;
if (headers instanceof Headers) {
var _headers$get;
value = (_headers$get = headers.get(name)) !== null && _headers$get !== void 0 ? _headers$get : undefined;
} else if (Array.isArray(headers)) {
var entry = headers.find(function (_ref2) {
var _ref3 = _slicedToArray(_ref2, 1),
key = _ref3[0];
return key === name;
});
value = entry === null || entry === void 0 ? void 0 : entry[1];
} else {
value = headers[name];
}
if (value) {
_this2.url.setQuery(name, value);
}
});
}
var es;
var timeout;
var createTimeout = function createTimeout() {
timeout = setTimeout(function () {
var _es;
(_es = es) === null || _es === void 0 || _es.close();
es = _createEventSource();
}, options.reconnectTimeout || 15 * 1000);
};
var _createEventSource = function createEventSource() {
try {
es = new EventSource(_this2.url.toString());
} catch (err) {
if (options.onerror) {
options.onerror(err);
}
}
createTimeout();
if (!es) {
return es;
}
var closed = false;
var onClose = function onClose() {
if (closed) {
return;
}
clearTimeout(timeout);
es.close();
_createEventSource();
closed = true;
};
var onMessage = function onMessage(message) {
if (message.type === "close") {
onClose();
return;
}
var result = message.data ? _this2._parseRecord(JSON.parse(message.data)) : message;
if (result.paging_token) {
_this2.url.setQuery("cursor", result.paging_token);
}
clearTimeout(timeout);
createTimeout();
if (typeof options.onmessage !== "undefined") {
options.onmessage(result);
}
};
var onError = function onError(error) {
if (options.onerror) {
options.onerror(error);
}
};
if (es.addEventListener) {
es.addEventListener("message", onMessage.bind(_this2));
es.addEventListener("error", onError.bind(_this2));
es.addEventListener("close", onClose.bind(_this2));
} else {
es.onmessage = onMessage.bind(_this2);
es.onerror = onError.bind(_this2);
}
return es;
};
_createEventSource();
return function () {
var _es2;
clearTimeout(timeout);
(_es2 = es) === null || _es2 === void 0 || _es2.close();
};
}
}, {
key: "cursor",
value: function cursor(_cursor) {
this.url.setQuery("cursor", _cursor);
return this;
}
}, {
key: "limit",
value: function limit(recordsNumber) {
this.url.setQuery("limit", recordsNumber.toString());
return this;
}
}, {
key: "order",
value: function order(direction) {
this.url.setQuery("order", direction);
return this;
}
}, {
key: "join",
value: function join(include) {
this.url.setQuery("join", include);
return this;
}
}, {
key: "forEndpoint",
value: function forEndpoint(endpoint, param) {
if (this.neighborRoot === "") {
throw new Error("Invalid usage: neighborRoot not set in constructor");
}
this.filter.push([endpoint, param, this.neighborRoot]);
return this;
}
}, {
key: "checkFilter",
value: function checkFilter() {
if (this.filter.length >= 2) {
throw new _errors.BadRequestError("Too many filters specified", this.filter);
}
if (this.filter.length === 1) {
var newSegment = this.originalSegments.concat(this.filter[0]);
this.url.segment(newSegment);
}
}
}, {
key: "_requestFnForLink",
value: function _requestFnForLink(link) {
var _this3 = this;
return _asyncToGenerator(_regenerator().m(function _callee() {
var opts,
uri,
template,
r,
_args = arguments;
return _regenerator().w(function (_context) {
while (1) switch (_context.n) {
case 0:
opts = _args.length > 0 && _args[0] !== undefined ? _args[0] : {};
if (link.templated) {
template = (0, _URITemplate.default)(link.href);
uri = (0, _urijs.default)(template.expand(opts));
} else {
uri = (0, _urijs.default)(link.href);
}
_context.n = 1;
return _this3._sendNormalRequest(uri);
case 1:
r = _context.v;
return _context.a(2, _this3._parseResponse(r));
}
}, _callee);
}));
}
}, {
key: "_parseRecord",
value: function _parseRecord(json) {
var _this4 = this;
if (!json._links) {
return json;
}
Object.keys(json._links).forEach(function (key) {
var n = json._links[key];
var included = false;
if (typeof json[key] !== "undefined") {
json["".concat(key, "_attr")] = json[key];
included = true;
}
if (included && JOINABLE.indexOf(key) >= 0) {
var record = _this4._parseRecord(json[key]);
json[key] = _asyncToGenerator(_regenerator().m(function _callee2() {
return _regenerator().w(function (_context2) {
while (1) switch (_context2.n) {
case 0:
return _context2.a(2, record);
}
}, _callee2);
}));
} else {
json[key] = _this4._requestFnForLink(n);
}
});
return json;
}
}, {
key: "_sendNormalRequest",
value: function () {
var _sendNormalRequest2 = _asyncToGenerator(_regenerator().m(function _callee3(initialUrl) {
var url;
return _regenerator().w(function (_context3) {
while (1) switch (_context3.n) {
case 0:
url = initialUrl;
url = url.authority(this.url.authority()).protocol(this.url.protocol());
return _context3.a(2, this.httpClient.get(url.toString()).then(function (response) {
return response.data;
}).catch(this._handleNetworkError));
}
}, _callee3, this);
}));
function _sendNormalRequest(_x) {
return _sendNormalRequest2.apply(this, arguments);
}
return _sendNormalRequest;
}()
}, {
key: "_parseResponse",
value: function _parseResponse(json) {
if (json._embedded && json._embedded.records) {
return this._toCollectionPage(json);
}
return this._parseRecord(json);
}
}, {
key: "_toCollectionPage",
value: function _toCollectionPage(json) {
var _this5 = this;
for (var i = 0; i < json._embedded.records.length; i += 1) {
json._embedded.records[i] = this._parseRecord(json._embedded.records[i]);
}
return {
records: json._embedded.records,
next: function () {
var _next2 = _asyncToGenerator(_regenerator().m(function _callee4() {
var r;
return _regenerator().w(function (_context4) {
while (1) switch (_context4.n) {
case 0:
_context4.n = 1;
return _this5._sendNormalRequest((0, _urijs.default)(json._links.next.href));
case 1:
r = _context4.v;
return _context4.a(2, _this5._toCollectionPage(r));
}
}, _callee4);
}));
function next() {
return _next2.apply(this, arguments);
}
return next;
}(),
prev: function () {
var _prev = _asyncToGenerator(_regenerator().m(function _callee5() {
var r;
return _regenerator().w(function (_context5) {
while (1) switch (_context5.n) {
case 0:
_context5.n = 1;
return _this5._sendNormalRequest((0, _urijs.default)(json._links.prev.href));
case 1:
r = _context5.v;
return _context5.a(2, _this5._toCollectionPage(r));
}
}, _callee5);
}));
function prev() {
return _prev.apply(this, arguments);
}
return prev;
}()
};
}
}, {
key: "_handleNetworkError",
value: (function () {
var _handleNetworkError2 = _asyncToGenerator(_regenerator().m(function _callee6(error) {
var _error$response$statu, _error$response$statu2;
var _t;
return _regenerator().w(function (_context6) {
while (1) switch (_context6.n) {
case 0:
if (!(error.response && error.response.status)) {
_context6.n = 4;
break;
}
_t = error.response.status;
_context6.n = _t === 404 ? 1 : 2;
break;
case 1:
return _context6.a(2, Promise.reject(new _errors.NotFoundError((_error$response$statu = error.response.statusText) !== null && _error$response$statu !== void 0 ? _error$response$statu : "Not Found", error.response.data)));
case 2:
return _context6.a(2, Promise.reject(new _errors.NetworkError((_error$response$statu2 = error.response.statusText) !== null && _error$response$statu2 !== void 0 ? _error$response$statu2 : "Unknown", error.response.data)));
case 3:
_context6.n = 5;
break;
case 4:
return _context6.a(2, Promise.reject(new Error(error.message)));
case 5:
return _context6.a(2);
}
}, _callee6);
}));
function _handleNetworkError(_x2) {
return _handleNetworkError2.apply(this, arguments);
}
return _handleNetworkError;
}())
}]);
}();