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Текущая директория: /usr/lib/node_modules/bitgo-express/node_modules/bitgo/src/v2

Просмотр файла: keychains.js

const common = require('../common');
const crypto = require('crypto');
const prova = require('../prova');

var Keychains = function(bitgo, baseCoin) {
  this.bitgo = bitgo;
  this.baseCoin = baseCoin;
};

Keychains.prototype.get = function(params, callback) {
  params = params || {};
  common.validateParams(params, [], ['xpub', 'ethAddress'], callback);

  if (!params.id) {
    throw new Error('id must be defined');
  }

  var id = params.id;
  return this.bitgo.get(this.baseCoin.url('/key/' + encodeURIComponent(id)))
  .result()
  .nodeify(callback);
};

Keychains.prototype.create = function(params) {
  params = params || {};
  common.validateParams(params, [], []);

  var seed;
  if (!params.seed) {
    // An extended private key has both a normal 256 bit private key and a 256
    // bit chain code, both of which must be random. 512 bits is therefore the
    // maximum entropy and gives us maximum security against cracking.
    seed = crypto.randomBytes(512 / 8);
  } else {
    seed = params.seed;
  }

  var extendedKey = prova.HDNode.fromSeedBuffer(seed);
  var xpub = extendedKey.neutered().toBase58();
  return {
    pub: xpub,
    prv: extendedKey.toBase58()
  };
};

Keychains.prototype.add = function(params, callback) {
  params = params || {};
  common.validateParams(params, [], ['pub', 'encryptedPrv', 'type', 'source', 'originalPasscodeEncryptionCode'], callback);

  return this.bitgo.post(this.baseCoin.url('/key'))
  .send({
    pub: params.pub,
    encryptedPrv: params.encryptedPrv,
    type: params.type,
    source: params.source,
    provider: params.provider,
    originalPasscodeEncryptionCode: params.originalPasscodeEncryptionCode,
  })
  .result()
  .nodeify(callback);
};

Keychains.prototype.createBitGo = function(params, callback) {
  params = params || {};
  common.validateParams(params, [], [], callback);
  params.source = 'bitgo';

  return this.add(params, callback);
};

Keychains.prototype.createBackup = function(params, callback) {
  params = params || {};
  common.validateParams(params, ['provider'], [], callback);
  params.source = 'backup';

  return this.add(params, callback);
};


module.exports = Keychains;

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