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

A JavaScript library for composing Ethereum provider objects using middleware modules

'use strict';

var inherits = require('util').inherits;
var HookedWalletEthTxSubprovider = require('./hooked-wallet-ethtx.js');
module.exports = WalletSubprovider;
inherits(WalletSubprovider, HookedWalletEthTxSubprovider);
function WalletSubprovider(wallet, opts) {
  opts.getAccounts = function (cb) {
    cb(null, [wallet.getAddressString()]);
  };
  opts.getPrivateKey = function (address, cb) {
    if (address.toLowerCase() !== wallet.getAddressString()) {
      return cb('Account not found');
    }
    cb(null, wallet.getPrivateKey());
  };
  WalletSubprovider.super_.call(this, opts);
}