web3-provider-engine/dist/es5/subproviders/whitelist.js

A JavaScript library for composing Ethereum provider objects using middleware modules

"use strict";

var inherits = require('util').inherits;
var Subprovider = require('./subprovider.js');
module.exports = WhitelistProvider;
inherits(WhitelistProvider, Subprovider);
function WhitelistProvider(methods) {
  this.methods = methods;
  if (this.methods == null) {
    this.methods = ['eth_gasPrice', 'eth_blockNumber', 'eth_getBalance', 'eth_getBlockByHash', 'eth_getBlockByNumber', 'eth_getBlockTransactionCountByHash', 'eth_getBlockTransactionCountByNumber', 'eth_getCode', 'eth_getStorageAt', 'eth_getTransactionByBlockHashAndIndex', 'eth_getTransactionByBlockNumberAndIndex', 'eth_getTransactionByHash', 'eth_getTransactionCount', 'eth_getTransactionReceipt', 'eth_getUncleByBlockHashAndIndex', 'eth_getUncleByBlockNumberAndIndex', 'eth_getUncleCountByBlockHash', 'eth_getUncleCountByBlockNumber', 'eth_sendRawTransaction', 'eth_getLogs'];
  }
}
WhitelistProvider.prototype.handleRequest = function (payload, next, end) {
  if (this.methods.indexOf(payload.method) >= 0) {
    next();
  } else {
    end(new Error("Method '" + payload.method + "' not allowed in whitelist."));
  }
};