@glif/filecoin-rpc-client/lib/index.js

a convenience library for interacting with the Lotus jsonrpc

import _asyncToGenerator from "@babel/runtime/helpers/asyncToGenerator";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
import _regeneratorRuntime from "@babel/runtime/regenerator";
function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
import axios from 'axios';
export var removeEmptyHeaders = function removeEmptyHeaders(headers) {
  return Object.fromEntries(Object.entries(headers).filter(function (_ref) {
    var _ref2 = _slicedToArray(_ref, 2),
      _key = _ref2[0],
      value = _ref2[1];
    return !!value;
  }));
};
export var getHeaders = function getHeaders(headers, token) {
  return _objectSpread(_objectSpread({}, headers), {}, {
    Accept: '*/*',
    'Content-Type': 'application/json'
  }, token ? {
    Authorization: "Bearer ".concat(token)
  } : {});
};
export var throwIfErrors = function throwIfErrors(data) {
  if (data.error) {
    if (data.error.message) throw new Error(data.error.message);
    throw new Error("JSON-RPC error: ".concat(JSON.stringify(data.error)));
  }
};
var LotusRpcEngine = /*#__PURE__*/function () {
  function LotusRpcEngine(config) {
    _classCallCheck(this, LotusRpcEngine);
    _defineProperty(this, "apiAddress", void 0);
    _defineProperty(this, "namespace", void 0);
    _defineProperty(this, "delimeter", void 0);
    _defineProperty(this, "axiosOpts", void 0);
    if (!config) throw new Error('Must pass a config object to the LotusRpcEngine constructor.');
    this.apiAddress = config.apiAddress;
    this.namespace = config.namespace || 'Filecoin';
    this.delimeter = config.delimeter || '.';
    this.axiosOpts = config.axiosOpts || {};
    this.axiosOpts.headers = getHeaders(this.axiosOpts.headers, config.token);
    this.axiosOpts.headers = removeEmptyHeaders(this.axiosOpts.headers);
  }
  _createClass(LotusRpcEngine, [{
    key: "request",
    value: function () {
      var _request = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(method) {
        var _len,
          params,
          _key2,
          _yield$axios$post,
          data,
          _args = arguments;
        return _regeneratorRuntime.wrap(function _callee$(_context) {
          while (1) switch (_context.prev = _context.next) {
            case 0:
              for (_len = _args.length, params = new Array(_len > 1 ? _len - 1 : 0), _key2 = 1; _key2 < _len; _key2++) {
                params[_key2 - 1] = _args[_key2];
              }
              _context.next = 3;
              return axios.post(this.apiAddress, {
                jsonrpc: '2.0',
                method: "".concat(this.namespace).concat(this.delimeter).concat(method),
                params: params,
                id: 1
              }, this.axiosOpts);
            case 3:
              _yield$axios$post = _context.sent;
              data = _yield$axios$post.data;
              throwIfErrors(data);
              return _context.abrupt("return", data.result);
            case 7:
            case "end":
              return _context.stop();
          }
        }, _callee, this);
      }));
      function request(_x) {
        return _request.apply(this, arguments);
      }
      return request;
    }()
  }]);
  return LotusRpcEngine;
}();
export { LotusRpcEngine as default };
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