bitcoin-core/src/requester.js

A modern Bitcoin Core REST and RPC client.

/**
 * Module dependencies.
 */

const _ = require('lodash');

/**
 * Export Requester class.
 */

module.exports = class Requester {
  constructor({ methods = {}, version } = {}) {
    this.methods = methods;
    this.version = version;
  }

  /**
  * Prepare rpc request.
  */

  prepare({ method, parameters = [], suffix }) {
    method = method.toLowerCase();

    if (this.version && !_.get(this.methods[method], 'supported', false)) {
      throw new Error(`Method "${method}" is not supported by version "${this.version}"`);
    }

    return {
      id: `${Date.now()}${suffix !== undefined ? `-${suffix}` : ''}`,
      method,
      params: parameters
    };
  }
};