bitcoind-regtest
Version:
Run bitcoind in regtest mode for your own blockchain
479 lines (374 loc) • 29.9 kB
JavaScript
;
var _get = require('babel-runtime/helpers/get')['default'];
var _inherits = require('babel-runtime/helpers/inherits')['default'];
var _createDecoratedClass = require('babel-runtime/helpers/create-decorated-class')['default'];
var _classCallCheck = require('babel-runtime/helpers/class-call-check')['default'];
var _regeneratorRuntime = require('babel-runtime/regenerator')['default'];
var _getIterator = require('babel-runtime/core-js/get-iterator')['default'];
var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];
Object.defineProperty(exports, '__esModule', {
value: true
});
var _lodash = require('lodash');
var _lodash2 = _interopRequireDefault(_lodash);
var _events = require('events');
var _coreDecorators = require('core-decorators');
var _readyMixin = require('ready-mixin');
var _readyMixin2 = _interopRequireDefault(_readyMixin);
var _bitcoreLib = require('bitcore-lib');
var _bitcoreLib2 = _interopRequireDefault(_bitcoreLib);
var _makeConcurrent = require('make-concurrent');
var _makeConcurrent2 = _interopRequireDefault(_makeConcurrent);
var _promiseUsefulUtils = require('promise-useful-utils');
var _promiseUsefulUtils2 = _interopRequireDefault(_promiseUsefulUtils);
_bitcoreLib2['default'].Networks.add({
name: 'regtest',
alias: 'regtest',
pubkeyhash: 0x6f,
privatekey: 0xef,
scripthash: 0xc4,
xpubkey: 0x043587cf,
xprivkey: 0x04358394,
networkMagic: 0xFABFB5DA,
port: 18444,
dnsSeeds: []
});
/**
* @event Wallet#error
* @param {Error} error
/**
* @class Wallet
*/
var Wallet = (function (_EventEmitter) {
_inherits(Wallet, _EventEmitter);
/**
* @constructor
* @param {Bitcoind} bitcoind
*/
function Wallet(bitcoind) {
var _this = this;
_classCallCheck(this, _Wallet);
_get(Object.getPrototypeOf(_Wallet.prototype), 'constructor', this).call(this);
this._bitcoind = bitcoind;
this._preloadsPool = [];
// create addresses
_promiseUsefulUtils2['default']['try'](function callee$2$0() {
var poolSize, ret;
return _regeneratorRuntime.async(function callee$2$0$(context$3$0) {
while (1) switch (context$3$0.prev = context$3$0.next) {
case 0:
poolSize = this._getWalletOption('keysPoolSize');
context$3$0.next = 3;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.getAddressesByAccount(''));
case 3:
ret = context$3$0.sent;
context$3$0.next = 6;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.batch(_lodash2['default'].times(poolSize - ret.result.length).map(function () {
return { method: 'getnewaddress', params: [''] };
})));
case 6:
case 'end':
return context$3$0.stop();
}
}, null, _this);
}).then(function () {
_this._ready(null);
}, function (err) {
_this._ready(err);
});
// loop for creating new addresses
this.ready.then(function callee$2$0() {
return _regeneratorRuntime.async(function callee$2$0$(context$3$0) {
while (1) switch (context$3$0.prev = context$3$0.next) {
case 0:
if (!true) {
context$3$0.next = 13;
break;
}
context$3$0.prev = 1;
context$3$0.next = 4;
return _regeneratorRuntime.awrap(_promiseUsefulUtils2['default'].delay(this._getWalletOption('newKeyTimeout')));
case 4:
context$3$0.next = 6;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.getNewAddress(''));
case 6:
context$3$0.next = 11;
break;
case 8:
context$3$0.prev = 8;
context$3$0.t0 = context$3$0['catch'](1);
this.emit(context$3$0.t0);
case 11:
context$3$0.next = 0;
break;
case 13:
case 'end':
return context$3$0.stop();
}
}, null, _this, [[1, 8]]);
});
// update preloads on new block
this.ready.then(function () {
_this._bitcoind.on('block', _this._updatePreloads.bind(_this));
});
}
/**
* @param {string} name
* @return {*}
*/
_createDecoratedClass(Wallet, [{
key: '_getWalletOption',
value: function _getWalletOption(name) {
return this._bitcoind.getOption('wallet.' + name)();
}
/**
* @return {Promise.<Bitcoind~PreloadObject>}
*/
}, {
key: 'getPreload',
decorators: [(0, _makeConcurrent2['default'])({ concurrency: 1 })],
value: function getPreload() {
var preload;
return _regeneratorRuntime.async(function getPreload$(context$2$0) {
while (1) switch (context$2$0.prev = context$2$0.next) {
case 0:
if (!(this._preloadsPool.length === 0)) {
context$2$0.next = 5;
break;
}
context$2$0.next = 3;
return _regeneratorRuntime.awrap(_promiseUsefulUtils2['default'].delay(50));
case 3:
context$2$0.next = 0;
break;
case 5:
preload = this._preloadsPool.shift();
this._updatePreloads();
return context$2$0.abrupt('return', preload);
case 8:
case 'end':
return context$2$0.stop();
}
}, null, this);
}
/**
* @param {Array.<Object>} utxo
* @param {Array.<Object>} outs
* @param {boolean} [change=false]
* @return {Promise.<bitcore.Transaction>}
*/
}, {
key: '_createTx',
value: function _createTx(utxo, outs) {
var change = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2];
var tx, _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, out, _ret, changeAddress, ret, privKeys;
return _regeneratorRuntime.async(function _createTx$(context$2$0) {
while (1) switch (context$2$0.prev = context$2$0.next) {
case 0:
tx = _bitcoreLib2['default'].Transaction().from(utxo.map(function (row) {
return {
txId: row.txid,
outputIndex: row.vout,
satoshis: Math.floor(row.amount * 1e8),
script: row.scriptPubKey
};
}));
_iteratorNormalCompletion = true;
_didIteratorError = false;
_iteratorError = undefined;
context$2$0.prev = 4;
for (_iterator = _getIterator(outs); !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
out = _step.value;
tx = tx.to(out.address, out.amount);
}
context$2$0.next = 12;
break;
case 8:
context$2$0.prev = 8;
context$2$0.t0 = context$2$0['catch'](4);
_didIteratorError = true;
_iteratorError = context$2$0.t0;
case 12:
context$2$0.prev = 12;
context$2$0.prev = 13;
if (!_iteratorNormalCompletion && _iterator['return']) {
_iterator['return']();
}
case 15:
context$2$0.prev = 15;
if (!_didIteratorError) {
context$2$0.next = 18;
break;
}
throw _iteratorError;
case 18:
return context$2$0.finish(15);
case 19:
return context$2$0.finish(12);
case 20:
if (!change) {
context$2$0.next = 26;
break;
}
context$2$0.next = 23;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.getAddressesByAccount(''));
case 23:
_ret = context$2$0.sent;
changeAddress = _lodash2['default'].sample(_ret.result);
tx = tx.change(changeAddress);
case 26:
context$2$0.next = 28;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.batch(utxo.map(function (row) {
return { method: 'dumpprivkey', params: [row.address] };
})));
case 28:
ret = context$2$0.sent;
privKeys = _lodash2['default'].pluck(ret, 'result').map(function (raw) {
return _bitcoreLib2['default'].PrivateKey(raw);
});
return context$2$0.abrupt('return', tx.sign(privKeys));
case 31:
case 'end':
return context$2$0.stop();
}
}, null, this, [[4, 8, 12, 20], [13,, 15, 19]]);
}
/**
* @private
* @return {Promise}
*/
}, {
key: '_updatePreloads',
value: function _updatePreloads() {
var _this2 = this;
return this._bitcoind.withLock(function callee$2$0() {
var ret, utxo, preloadPrivKey, tx;
return _regeneratorRuntime.async(function callee$2$0$(context$3$0) {
while (1) switch (context$3$0.prev = context$3$0.next) {
case 0:
context$3$0.prev = 0;
if (!(this._preloadsPool.length >= this._getWalletOption('preloadsPoolSize'))) {
context$3$0.next = 3;
break;
}
return context$3$0.abrupt('return');
case 3:
context$3$0.next = 5;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.listUnspent(0));
case 5:
ret = context$3$0.sent;
utxo = _lodash2['default'].chain(ret.result).sortBy('amount').reverse().reduce(function (result, row) {
if (result.total < 10) {
result.list.push(row);
result.total += row.amount;
}
return result;
}, { list: [], total: 0 }).value();
if (!(utxo.total < 10)) {
context$3$0.next = 9;
break;
}
return context$3$0.abrupt('return');
case 9:
preloadPrivKey = _bitcoreLib2['default'].PrivateKey.fromRandom('regtest');
context$3$0.next = 12;
return _regeneratorRuntime.awrap(this._createTx(utxo.list, [{ address: preloadPrivKey.toAddress(), amount: 10 * 1e8 }], true));
case 12:
tx = context$3$0.sent;
context$3$0.next = 15;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.sendRawTransaction(tx.toString()));
case 15:
ret = context$3$0.sent;
if (!(ret.result !== tx.id)) {
context$3$0.next = 18;
break;
}
throw new Error(JSON.stringify(ret));
case 18:
this._preloadsPool.push({
txId: tx.id,
outIndex: 0,
value: 10 * 1e8,
script: _bitcoreLib2['default'].Script.buildPublicKeyHashOut(preloadPrivKey.toAddress()),
privKey: preloadPrivKey
});
setImmediate(this._updatePreloads.bind(this));
context$3$0.next = 25;
break;
case 22:
context$3$0.prev = 22;
context$3$0.t0 = context$3$0['catch'](0);
this.emit('error', context$3$0.t0);
case 25:
case 'end':
return context$3$0.stop();
}
}, null, _this2, [[0, 22]]);
});
}
/**
* @return {Promise.<?string>}
*/
}, {
key: 'generateTx',
value: function generateTx() {
var _this3 = this;
return this._bitcoind.withLock(function callee$2$0() {
var ret, utxo, utxoTotalAmount, addresses, values, valuesSum, outs, tx;
return _regeneratorRuntime.async(function callee$2$0$(context$3$0) {
while (1) switch (context$3$0.prev = context$3$0.next) {
case 0:
context$3$0.next = 2;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.listUnspent(0));
case 2:
ret = context$3$0.sent;
utxo = _lodash2['default'].sample(ret.result, this._getWalletOption('inputsCount'));
utxoTotalAmount = _lodash2['default'].sum(_lodash2['default'].pluck(utxo, 'amount')) * 1e8 - 1e4;
if (!(utxo.length === 0 || utxoTotalAmount < 1e7)) {
context$3$0.next = 7;
break;
}
return context$3$0.abrupt('return', null);
case 7:
context$3$0.next = 9;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.getAddressesByAccount(''));
case 9:
ret = context$3$0.sent;
addresses = _lodash2['default'].sample(ret.result, this._getWalletOption('outputsCount'));
values = _lodash2['default'].times(addresses.length).map(function () {
return _lodash2['default'].random(0, 1, true);
});
valuesSum = _lodash2['default'].sum(values);
outs = addresses.map(function (address, index) {
return { address: address, amount: Math.floor(utxoTotalAmount * values[index] / valuesSum) };
});
context$3$0.next = 16;
return _regeneratorRuntime.awrap(this._createTx(utxo, outs));
case 16:
tx = context$3$0.sent;
context$3$0.next = 19;
return _regeneratorRuntime.awrap(this._bitcoind.rpc.sendRawTransaction(tx.toString()));
case 19:
ret = context$3$0.sent;
if (!(ret.result !== tx.id)) {
context$3$0.next = 22;
break;
}
throw new Error(JSON.stringify(ret));
case 22:
return context$3$0.abrupt('return', tx.id);
case 23:
case 'end':
return context$3$0.stop();
}
}, null, _this3);
});
}
}]);
var _Wallet = Wallet;
Wallet = (0, _coreDecorators.mixin)(_readyMixin2['default'])(Wallet) || Wallet;
return Wallet;
})(_events.EventEmitter);
exports['default'] = Wallet;
module.exports = exports['default'];
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_ from 'lodash'\nimport { EventEmitter } from 'events'\nimport { mixin } from 'core-decorators'\nimport ReadyMixin from 'ready-mixin'\nimport bitcore from 'bitcore-lib'\nimport makeConcurrent from 'make-concurrent'\nimport PUtils from 'promise-useful-utils'\n\nbitcore.Networks.add({\n  name: 'regtest',\n  alias: 'regtest',\n  pubkeyhash: 0x6f,\n  privatekey: 0xef,\n  scripthash: 0xc4,\n  xpubkey: 0x043587cf,\n  xprivkey: 0x04358394,\n  networkMagic: 0xFABFB5DA,\n  port: 18444,\n  dnsSeeds: []\n})\n\n/**\n * @event Wallet#error\n * @param {Error} error\n\n/**\n * @class Wallet\n */\n@mixin(ReadyMixin)\nexport default class Wallet extends EventEmitter {\n  /**\n   * @constructor\n   * @param {Bitcoind} bitcoind\n   */\n  constructor (bitcoind) {\n    super()\n\n    this._bitcoind = bitcoind\n    this._preloadsPool = []\n\n    // create addresses\n    PUtils.try(async () => {\n      let poolSize = this._getWalletOption('keysPoolSize')\n      let ret = await this._bitcoind.rpc.getAddressesByAccount('')\n\n      await this._bitcoind.rpc.batch(_.times(poolSize - ret.result.length).map(() => {\n        return {method: 'getnewaddress', params: ['']}\n      }))\n    })\n    .then(() => { this._ready(null) }, (err) => { this._ready(err) })\n\n    // loop for creating new addresses\n    this.ready.then(async () => {\n      while (true) {\n        try {\n          await PUtils.delay(this._getWalletOption('newKeyTimeout'))\n          await this._bitcoind.rpc.getNewAddress('')\n        } catch (err) {\n          this.emit(err)\n        }\n      }\n    })\n\n    // update preloads on new block\n    this.ready.then(() => {\n      this._bitcoind.on('block', ::this._updatePreloads)\n    })\n  }\n\n  /**\n   * @param {string} name\n   * @return {*}\n   */\n  _getWalletOption (name) {\n    return this._bitcoind.getOption(`wallet.${name}`)()\n  }\n\n  /**\n   * @return {Promise.<Bitcoind~PreloadObject>}\n   */\n  @makeConcurrent({concurrency: 1})\n  async getPreload () {\n    while (this._preloadsPool.length === 0) {\n      await PUtils.delay(50)\n    }\n\n    let preload = this._preloadsPool.shift()\n    this._updatePreloads()\n    return preload\n  }\n\n  /**\n   * @param {Array.<Object>} utxo\n   * @param {Array.<Object>} outs\n   * @param {boolean} [change=false]\n   * @return {Promise.<bitcore.Transaction>}\n   */\n  async _createTx (utxo, outs, change = false) {\n    let tx = bitcore.Transaction()\n      .from(utxo.map((row) => {\n        return {\n          txId: row.txid,\n          outputIndex: row.vout,\n          satoshis: Math.floor(row.amount * 1e8),\n          script: row.scriptPubKey\n        }\n      }))\n\n    for (let out of outs) {\n      tx = tx.to(out.address, out.amount)\n    }\n\n    if (change) {\n      let ret = await this._bitcoind.rpc.getAddressesByAccount('')\n      let changeAddress = _.sample(ret.result)\n      tx = tx.change(changeAddress)\n    }\n\n    let ret = await this._bitcoind.rpc.batch(utxo.map((row) => {\n      return {method: 'dumpprivkey', params: [row.address]}\n    }))\n    let privKeys = _.pluck(ret, 'result').map((raw) => {\n      return bitcore.PrivateKey(raw)\n    })\n\n    return tx.sign(privKeys)\n  }\n\n  /**\n   * @private\n   * @return {Promise}\n   */\n  _updatePreloads () {\n    return this._bitcoind.withLock(async () => {\n      try {\n        if (this._preloadsPool.length >= this._getWalletOption('preloadsPoolSize')) {\n          return\n        }\n\n        let ret = await this._bitcoind.rpc.listUnspent(0)\n        let utxo = _.chain(ret.result)\n          .sortBy('amount')\n          .reverse()\n          .reduce((result, row) => {\n            if (result.total < 10) {\n              result.list.push(row)\n              result.total += row.amount\n            }\n\n            return result\n          }, {list: [], total: 0})\n          .value()\n\n        if (utxo.total < 10) {\n          return\n        }\n\n        let preloadPrivKey = bitcore.PrivateKey.fromRandom('regtest')\n        let tx = await this._createTx(\n          utxo.list, [{address: preloadPrivKey.toAddress(), amount: 10 * 1e8}], true)\n\n        ret = await this._bitcoind.rpc.sendRawTransaction(tx.toString())\n        if (ret.result !== tx.id) {\n          throw new Error(JSON.stringify(ret))\n        }\n\n        this._preloadsPool.push({\n          txId: tx.id,\n          outIndex: 0,\n          value: 10 * 1e8,\n          script: bitcore.Script.buildPublicKeyHashOut(preloadPrivKey.toAddress()),\n          privKey: preloadPrivKey\n        })\n\n        setImmediate(::this._updatePreloads)\n      } catch (err) {\n        this.emit('error', err)\n      }\n    })\n  }\n\n  /**\n   * @return {Promise.<?string>}\n   */\n  generateTx () {\n    return this._bitcoind.withLock(async () => {\n      let ret = await this._bitcoind.rpc.listUnspent(0)\n      let utxo = _.sample(ret.result, this._getWalletOption('inputsCount'))\n      let utxoTotalAmount = _.sum(_.pluck(utxo, 'amount')) * 1e8 - 1e4\n      if (utxo.length === 0 || utxoTotalAmount < 1e7) {\n        return null\n      }\n\n      ret = await this._bitcoind.rpc.getAddressesByAccount('')\n      let addresses = _.sample(ret.result, this._getWalletOption('outputsCount'))\n      let values = _.times(addresses.length).map(() => _.random(0, 1, true))\n      let valuesSum = _.sum(values)\n      let outs = addresses.map((address, index) => {\n        return {address: address, amount: Math.floor(utxoTotalAmount * values[index] / valuesSum)}\n      })\n\n      let tx = await this._createTx(utxo, outs)\n\n      ret = await this._bitcoind.rpc.sendRawTransaction(tx.toString())\n      if (ret.result !== tx.id) {\n        throw new Error(JSON.stringify(ret))\n      }\n\n      return tx.id\n    })\n  }\n}\n"]}