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

a convenience library for interacting with the Lotus jsonrpc

import _defineProperty from "@babel/runtime/helpers/defineProperty";
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 const removeEmptyHeaders = headers => Object.fromEntries(Object.entries(headers).filter(([_key, value]) => !!value));
export const getHeaders = (headers, token) => _objectSpread(_objectSpread({}, headers), {}, {
  Accept: '*/*',
  'Content-Type': 'application/json'
}, token ? {
  Authorization: `Bearer ${token}`
} : {});
export const throwIfErrors = data => {
  if (data.error) {
    if (data.error.message) throw new Error(data.error.message);
    throw new Error(`JSON-RPC error: ${JSON.stringify(data.error)}`);
  }
};
export default class LotusRpcEngine {
  constructor(config) {
    _defineProperty(this, "apiAddress", void 0);
    _defineProperty(this, "namespace", void 0);
    _defineProperty(this, "delimeter", void 0);
    _defineProperty(this, "axiosOpts", void 0);
    if (!config) throw new Error('Must pass a config object to the LotusRpcEngine constructor.');
    this.apiAddress = config.apiAddress;
    this.namespace = config.namespace || 'Filecoin';
    this.delimeter = config.delimeter || '.';
    this.axiosOpts = config.axiosOpts || {};
    this.axiosOpts.headers = getHeaders(this.axiosOpts.headers, config.token);
    this.axiosOpts.headers = removeEmptyHeaders(this.axiosOpts.headers);
  }
  async request(method, ...params) {
    const {
      data
    } = await axios.post(this.apiAddress, {
      jsonrpc: '2.0',
      method: `${this.namespace}${this.delimeter}${method}`,
      params,
      id: 1
    }, this.axiosOpts);
    throwIfErrors(data);
    return data.result;
  }
}
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