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@hydro-protocol/hydro-client-js

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"use strict"; 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 }; } }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; Object.defineProperty(exports, "__esModule", { value: true }); var axios_1 = __importDefault(require("axios")); var url_1 = require("url"); var errors_1 = require("../errors/errors"); /** * Handle building requests to the server, including authentication * in the request header. */ var ApiHandler = /** @class */ (function () { function ApiHandler(account, options) { this.BASE_MESSAGE = 'HYDRO-AUTHENTICATION'; this.API_URL = 'https://api.ddex.io/v3/'; this.HEADER = 'Hydro-Authentication'; this.account = account; this.options = options; } /** * Methods to perform standard get/post/delete requests to the api server. * Only implemented these three since they are the only ones the api * currently requires. */ ApiHandler.prototype.get = function (path, params, sign) { if (sign === void 0) { sign = false; } return __awaiter(this, void 0, void 0, function () { var headers, _a, res; return __generator(this, function (_b) { switch (_b.label) { case 0: if (!sign) return [3 /*break*/, 2]; return [4 /*yield*/, this.getAuthHeaders()]; case 1: _a = _b.sent(); return [3 /*break*/, 3]; case 2: _a = {}; _b.label = 3; case 3: headers = _a; return [4 /*yield*/, axios_1.default.get(this.getURL(path), { params: params, headers: headers, })]; case 4: res = _b.sent(); return [2 /*return*/, this.handleResponse(res)]; } }); }); }; ApiHandler.prototype.post = function (path, data) { return __awaiter(this, void 0, void 0, function () { var headers, res; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.getAuthHeaders()]; case 1: headers = _a.sent(); return [4 /*yield*/, axios_1.default.post(this.getURL(path), data, { headers: headers })]; case 2: res = _a.sent(); return [2 /*return*/, this.handleResponse(res)]; } }); }); }; ApiHandler.prototype.delete = function (path) { return __awaiter(this, void 0, void 0, function () { var headers, res; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this.getAuthHeaders()]; case 1: headers = _a.sent(); return [4 /*yield*/, axios_1.default.delete(this.getURL(path), { headers: headers })]; case 2: res = _a.sent(); return [2 /*return*/, this.handleResponse(res)]; } }); }); }; ApiHandler.prototype.getURL = function (path) { var url = new url_1.URL(path, this.getApiUrl()); return url.toString(); }; ApiHandler.prototype.getAuthHeaders = function () { return __awaiter(this, void 0, void 0, function () { var _a, message, signature; return __generator(this, function (_b) { switch (_b.label) { case 0: message = this.BASE_MESSAGE + '@' + Date.now(); return [4 /*yield*/, this.account.sign(message)]; case 1: signature = _b.sent(); return [2 /*return*/, (_a = {}, _a[this.HEADER] = [this.account.address, message, signature].join('#'), _a)]; } }); }); }; ApiHandler.prototype.getApiUrl = function () { return this.options && this.options.apiUrl ? this.options.apiUrl : this.API_URL; }; ApiHandler.prototype.handleResponse = function (res) { if (res.status !== 200) { throw new errors_1.ServerError('Server Error ' + res.status + ': ' + res.statusText); } if (res.data.status !== 0) { throw new errors_1.APIError('API Error: ' + res.data.desc); } return res.data.data; }; return ApiHandler; }()); exports.ApiHandler = ApiHandler;