@hydro-protocol/hydro-client-js
Version:
Javascript SDK for the Hydro API
157 lines (156 loc) • 7.31 kB
JavaScript
"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;