mxbit/lib/protocol/networks.js

Bitcoin cash bike-shed

/*!
 * network.js - bitcoin networks for bcoin
 * Copyright (c) 2014-2015, Fedor Indutny (MIT License)
 * Copyright (c) 2014-2017, Christopher Jeffrey (MIT License).
 * https://github.com/bcoin-org/bcoin
 */

'use strict';

/**
 * @module protocol/networks
 */

const BN = require('bcrypto/lib/bn.js');

const network = exports;

/*
 * Helpers
 */

function b(hash) {
  return Buffer.from(hash, 'hex');
}

/**
 * Network type list.
 * @memberof module:protocol/networks
 * @const {String[]}
 * @default
 */

network.types = ['main', 'testnet', 'regtest', 'simnet'];

/**
 * Mainnet
 * @static
 * @lends module:protocol/networks
 * @type {Object}
 */

const main = {};

/**
 * Symbolic network type.
 * @const {String}
 * @default
 */

main.type = 'main';

/**
 * Default DNS seeds.
 * @const {String[]}
 * @default
 */

main.seeds = ['66.42.49.229:7888'];

/**
 * Packet magic number.
 * @const {Number}
 * @default
 */

main.magic = 0xf9beb4d9;

/**
 * Default network port.
 * @const {Number}
 * @default
 */

main.port = 7888;

/**
 * Checkpoint block list.
 * @const {Object}
 */

main.checkpointMap = {0: b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000')};

/**
 * Last checkpoint height.
 * @const {Number}
 * @default
 */

main.lastCheckpoint = 0;

/**
 * @const {Number}
 * @default
 */

main.halvingInterval = 210000;

/**
 * Genesis block header.
 * @const {Object}
 */

main.genesis = {
  version: 1,
  hash: b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),
  prevBlock:
    b('0000000000000000000000000000000000000000000000000000000000000000'),
  merkleRoot:
    b('d5109ae6160cd7653bc2856dd9db5828b77c51951b2078423b3e6483e78f6a6d'),
  time: 1549908188,
  bits: 504365040,
  nonce: 1178027,
  height: 0
};

/**
 * The network's genesis block in a hex string.
 * @const {String}
 */

main.genesisBlock =
  '010000000000000000000000000000000000000000000000000000000000000000000000d51'
  + '09ae6160cd7653bc2856dd9db5828b77c51951b2078423b3e6483e78f6a6ddcb8615cf0ff0f1'
  + 'eabf911000101000000010000000000000000000000000000000000000000000000000000000'
  + '000000000ffffffff4704f0ff0f1e01043f31312f4665622f3230313920426974636f696e204'
  + '57965732024332e384b20416674657220486967682d566f6c756d652050726963652042726561'
  + '6b6f7574ffffffff0100f2052a010000004341045eb3a9e4920eba4373e3a4d442f1946a5b10b'
  + '12fdf41914e434cdcdfde0cf11210fc1f0c17048154fe943fa44b9b0f70eea6ce2b0e5a52847d'
  + '7681c7248cc3fbac00000000';


/**
 * POW-related constants.
 * @enum {Number}
 * @default
 */

main.pow = {
  /**
   * Default target.
   * @const {BN}
   */

  limit: new BN(
    '00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
    'hex'
  ),

  /**
   * Compact pow limit.
   * @const {Number}
   * @default 504365055
   */

  bits: 504365040,

  /**
   * Minimum chainwork for best chain.
   * @const {BN}
   */

  chainwork: new BN(
    '0',
    'hex'
  ),

  /**
   * Desired retarget period in seconds.
   * @const {Number}
   * @default
   */

  targetTimespan: 24 * 60 * 60,

  /**
   * Average block time.
   * @const {Number}
   * @default
   */

  targetSpacing: 1.5 * 60,

  targetTimespanDigishield: 1.5 * 60,

  /**
   * Retarget interval in blocks.
   * @const {Number}
   * @default
   */

  retargetInterval: 2016,

  /**
   * Whether to reset target if a block
   * has not been mined recently.
   * @const {Boolean}
   * @default
   */

  targetReset: false,

  /**
   * Do not allow retargetting.
   * @const {Boolean}
   * @default
   */

  noRetargeting: false
};

/**
 * Block constants.
 * @enum {Number}
 * @default
 */

main.block = {
  /**
   * Height at which bip34 was activated.
   * Used for avoiding bip30 checks.
   */

  bip34height: 0,

  /**
   * Hash of the block that activated bip34.
   */

  bip34hash:
    b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),

  /**
   * Height at which bip65 was activated.
   */

  bip65height: 0,

  /**
   * Hash of the block that activated bip65.
   */

  bip65hash:
    b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),

  /**
   * Height at which bip66 was activated.
   */

  bip66height: 0,

  /**
   * Hash of the block that activated bip66.
   */

  bip66hash:
    b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),

  /**
   * Height at which UAHF was activated.
   */

  uahfHeight: 0,

  /**
   * Hash of the block that activated UAHF.
   */

  uahfHash:
    b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),

  /**
   * Height at which DAA was activated.
   * November 13, 2017 hard fork
   */

  daaHeight: 0,

  /**
   * Hash of the block that activated DAA
   */

  daaHash:
    b('fb42c209902eee87b9992aacf46d10d70019992f561caf024d58805a1b010000'),

  /**
   * Magnetic anomaly activation time
   * Nov 15, 2018 hard fork
   */

  magneticAnomalyActivationTime: 1549909000,

  /**
   * Great wall activation time
   * Wed, 15 May 2019 12:00:00 UTC hard fork
   */
  greatWallActivationTime: 1549909000,

  /**
   * Safe height to start pruning.
   */

  pruneAfterHeight: 1000,

  /**
   * Safe number of blocks to keep.
   */

  keepBlocks: 288,

  /**
   * Age used for the time delta to
   * determine whether the chain is synced.
   */

  maxTipAge: 24 * 60 * 60,

  /**
   * Height at which block processing is
   * slow enough that we can output
   * logs without spamming.
   */

  slowHeight: 325000
};

/**
 * Map of historical blocks which create duplicate transactions hashes.
 * @see https://github.com/bitcoin/bips/blob/master/bip-0030.mediawiki
 * @const {Object}
 * @default
 */

main.bip30 = {};

/**
 * For versionbits.
 * @const {Number}
 * @default
 */

main.activationThreshold = 1916; // 95% of 2016

/**
 * Confirmation window for versionbits.
 * @const {Number}
 * @default
 */

main.minerWindow = 5760; // nPowTargetTimespan / nPowTargetSpacing

/**
 * Deployments for versionbits.
 * @const {Object}
 * @default
 */

main.deployments = {
  csv: {
    name: 'csv',
    bit: 0,
    startTime: 1462060800, // May 1st, 2016
    timeout: 1493596800, // May 1st, 2017
    threshold: -1,
    window: -1,
    required: false,
    force: true
  },
  testdummy: {
    name: 'testdummy',
    bit: 28,
    startTime: 1199145601, // January 1, 2008
    timeout: 1230767999, // December 31, 2008
    threshold: -1,
    window: -1,
    required: false,
    force: true
  }
};

/**
 * Deployments for versionbits (array form, sorted).
 * @const {Array}
 * @default
 */

main.deploys = [
  main.deployments.csv,
  main.deployments.testdummy
];

/**
 * Key prefixes.
 * @enum {Number}
 * @default
 */

main.keyPrefix = {
  privkey: 0x80,
  xpubkey: 0x0488b21e,
  xprivkey: 0x0488ade4,
  xpubkey58: 'xpub',
  xprivkey58: 'xprv',
  coinType: 0
};

/**
 * {@link Address} prefixes.
 * @enum {Number}
 */

main.addressPrefix = {
  pubkeyhash: 0x00,
  scripthash: 0x05,
  cashaddr: 'matrixbit'
};

/**
 * Default value for whether the mempool
 * accepts non-standard transactions.
 * @const {Boolean}
 * @default
 */

main.requireStandard = true;

/**
 * Default http port.
 * @const {Number}
 * @default
 */

main.rpcPort = 7887;

/**
 * Default wallet port.
 * @const {Number}
 * @default
 */

main.walletPort = 7334;

/**
 * Default min relay rate.
 * @const {Rate}
 * @default
 */

main.minRelay = 1000;

/**
 * Default normal relay rate.
 * @const {Rate}
 * @default
 */

main.feeRate = 100000;

/**
 * Maximum normal relay rate.
 * @const {Rate}
 * @default
 */

main.maxFeeRate = 400000;

/**
 * Whether to allow self-connection.
 * @const {Boolean}
 */

main.selfConnect = false;

/**
 * Whether to request mempool on sync.
 * @const {Boolean}
 */

main.requestMempool = false;

/*
 * Testnet (v3)
 * https://en.bitcoin.it/wiki/Testnet
 */

const testnet = {};

testnet.type = 'testnet';

testnet.seeds = [];

testnet.magic = 0x0b110907;

testnet.port = 17888;

testnet.checkpointMap = {};

testnet.lastCheckpoint = 0;

testnet.halvingInterval = 210000;

testnet.genesis = {
  version: 1,
  hash: b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),
  prevBlock:
    b('0000000000000000000000000000000000000000000000000000000000000000'),
  merkleRoot:
    b('d5109ae6160cd7653bc2856dd9db5828b77c51951b2078423b3e6483e78f6a6d'),
  time: 1549910012,
  bits: 504365040,
  nonce: 1236328,
  height: 0
};

testnet.genesisBlock =
  '010000000000000000000000000000000000000000000000000000000000' +
  '000000000000d5109ae6160cd7653bc2856dd9db5828b77c51951b207842' +
  '3b3e6483e78f6a6ddae5494df0ff0f1e68dd120001010000000100000000' +
  '00000000000000000000000000000000000000000000000000000000ffff' +
  'ffff4704f0ff0f1e01043f31312f4665622f3230313920426974636f696e' +
  '20457965732024332e384b20416674657220486967682d566f6c756d6520' +
  '507269636520427265616b6f7574ffffffff0100f2052a01000000434104' +
  '5eb3a9e4920eba4373e3a4d442f1946a5b10b12fdf41914e434cdcdfde0c' +
  'f11210fc1f0c17048154fe943fa44b9b0f70eea6ce2b0e5a52847d7681c7' +
  '248cc3fbac00000000';

testnet.pow = {
  limit: new BN(
    '00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
    'hex'
  ),
  bits: 504365040,
  chainwork: new BN(
    '00',
    'hex'
  ),
  targetTimespan: 24 * 60 * 60,
  targetSpacing: 1.5 * 60,
  targetTimespanDigishield: 1.5 * 60,
  retargetInterval: 2016,
  targetReset: true,
  noRetargeting: false
};

testnet.block = {
  bip34height: 0,
  bip34hash:
    b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),
  bip65height: 0,
  bip65hash:
    b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),
  bip66height: 0,
  bip66hash:
    b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),

  uahfHeight: 0,
  uahfHash:
    b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),

  daaHeight: 0,
  daaHash:
    b('62175a27931049a428fa38ec90079108a14c207f28c3f99c2ad3d5948d030000'),

  magneticAnomalyActivationTime: 1542300000,
  greatWallActivationTime: 1557921600,

  pruneAfterHeight: 1000,
  keepBlocks: 10000,
  maxTipAge: 24 * 60 * 60,
  slowHeight: 950000
};

testnet.bip30 = {};

testnet.activationThreshold = 1512; // 75% for testchains

testnet.minerWindow = 100; // nPowTargetTimespan / nPowTargetSpacing

testnet.deployments = {
  csv: {
    name: 'csv',
    bit: 0,
    startTime: 1456790400, // March 1st, 2016
    timeout: 1493596800, // May 1st, 2017
    threshold: -1,
    window: -1,
    required: false,
    force: true
  },
  testdummy: {
    name: 'testdummy',
    bit: 28,
    startTime: 1199145601, // January 1, 2008
    timeout: 1230767999, // December 31, 2008
    threshold: -1,
    window: -1,
    required: false,
    force: true
  }
};

testnet.deploys = [
  testnet.deployments.csv,
  testnet.deployments.testdummy
];

testnet.keyPrefix = {
  privkey: 0xef,
  xpubkey: 0x043587cf,
  xprivkey: 0x04358394,
  xpubkey58: 'tpub',
  xprivkey58: 'tprv',
  coinType: 1
};

testnet.addressPrefix = {
  pubkeyhash: 0x6f,
  scripthash: 0xc4,
  cashaddr: 'mxtest'
};

testnet.requireStandard = false;

testnet.rpcPort = 17887;

testnet.walletPort = 17334;

testnet.minRelay = 1000;

testnet.feeRate = 20000;

testnet.maxFeeRate = 60000;

testnet.selfConnect = false;

testnet.requestMempool = false;

/*
 * Regtest
 */

const regtest = {};

regtest.type = 'regtest';

regtest.seeds = [
  '127.0.0.1'
];

regtest.magic = 0xfabfb5da;

regtest.port = 17999;

regtest.checkpointMap = {};
regtest.lastCheckpoint = 0;

regtest.halvingInterval = 150;

regtest.genesis = {
  version: 1,
  hash: b('b4c4173bd70ba4cc665c29bfcca70cbf19240a16388c50ea7377c73d1c698d61'),
  prevBlock:
    b('0000000000000000000000000000000000000000000000000000000000000000'),
  merkleRoot:
    b('d5109ae6160cd7653bc2856dd9db5828b77c51951b2078423b3e6483e78f6a6d'),
  time: 1549910012,
  bits: 545259519,
  nonce: 2,
  height: 0
};

regtest.genesisBlock =
  '0100000000000000000000000000000000000000000000000000000000' +
  '00000000000000d5109ae6160cd7653bc2856dd9db5828b77c51951b20' +
  '78423b3e6483e78f6a6ddae5494dffff7f200200000001010000000100' +
  '0000000000000000000000000000000000000000000000000000000000' +
  '0000ffffffff4704f0ff0f1e01043f31312f4665622f32303139204269' +
  '74636f696e20457965732024332e384b20416674657220486967682d56' +
  '6f6c756d6520507269636520427265616b6f7574ffffffff0100f2052a' +
  '010000004341045eb3a9e4920eba4373e3a4d442f1946a5b10b12fdf41' +
  '914e434cdcdfde0cf11210fc1f0c17048154fe943fa44b9b0f70eea6ce' +
  '2b0e5a52847d7681c7248cc3fbac00000000';


regtest.pow = {
  limit: new BN(
    '7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
    'hex'
  ),
  bits: 545259519,
  chainwork: new BN(
    '0000000000000000000000000000000000000000000000000000000000000002',
    'hex'
  ),
  targetTimespan: 2.8 * 24 * 60 * 60,
  targetSpacing: 2 * 60,
  targetTimespanDigishield: 2 * 60,
  retargetInterval: 2016,
  targetReset: true,
  noRetargeting: true
};

regtest.block = {
  bip34height: 0,
  bip34hash: null,
  bip65height: 0,
  bip65hash: null,
  bip66height: 0,
  bip66hash: null,
  uahfHeight: 0,
  uahfHash: null,
  daaHeight: 0,
  daaHash: null,
  magneticAnomalyActivationTime: 1542300000,
  greatWallActivationTime: 1557921600,
  pruneAfterHeight: 1000,
  keepBlocks: 10000,
  maxTipAge: 0xffffffff,
  slowHeight: 0
};

regtest.bip30 = {};

regtest.activationThreshold = 108; // 75% for testchains

regtest.minerWindow = 144; // Faster than normal for regtest

regtest.deployments = {
  csv: {
    name: 'csv',
    bit: 0,
    startTime: 0,
    timeout: 0xffffffff,
    threshold: -1,
    window: -1,
    required: false,
    force: true
  },
  testdummy: {
    name: 'testdummy',
    bit: 28,
    startTime: 0,
    timeout: 0xffffffff,
    threshold: -1,
    window: -1,
    required: false,
    force: true
  }
};

regtest.deploys = [
  regtest.deployments.csv,
  regtest.deployments.testdummy
];

regtest.keyPrefix = {
  privkey: 0x5a,
  xpubkey: 0xeab4fa05,
  xprivkey: 0xeab404c7,
  xpubkey58: 'rpub',
  xprivkey58: 'rprv',
  coinType: 1
};

regtest.addressPrefix = {
  pubkeyhash: 0x3c,
  scripthash: 0x26,
  cashaddr: 'mxreg'
};

regtest.requireStandard = false;

regtest.rpcPort = 17998;

regtest.walletPort = 47334;

regtest.minRelay = 1000;

regtest.feeRate = 20000;

regtest.maxFeeRate = 60000;

regtest.selfConnect = true;

regtest.requestMempool = true;

/*
 * Simnet (btcd)
 */

const simnet = {};

simnet.type = 'simnet';

simnet.seeds = [
  '127.0.0.1'
];

simnet.magic = 0xf2faede4;

simnet.port = 18555;

simnet.checkpointMap = {};

simnet.lastCheckpoint = 0;

simnet.halvingInterval = 210000;

simnet.genesis = {
  version: 1,
  hash:
    b('69e2d922b7f19a28b491b3712fccefb71782591df26aa094dfcb94ce9afaac20'),
  prevBlock:
    b('0000000000000000000000000000000000000000000000000000000000000000'),
  merkleRoot:
    b('3ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a'),
  time: 1401292357,
  bits: 545259519,
  nonce: 2,
  height: 0
};

simnet.genesisBlock =
  '0100000000000000000000000000000000000000000000000000000000000000000000'
  + '003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a4506'
  + '8653ffff7f200200000001010000000100000000000000000000000000000000000000'
  + '00000000000000000000000000ffffffff4d04ffff001d0104455468652054696d6573'
  + '2030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66'
  + '207365636f6e64206261696c6f757420666f722062616e6b73ffffffff0100f2052a01'
  + '000000434104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f'
  + '61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f'
  + 'ac00000000';

simnet.pow = {
  limit: new BN(
    // High target of 0x207fffff (545259519)
    '7fffff0000000000000000000000000000000000000000000000000000000000',
    'hex'
  ),
  bits: 545259519,
  chainwork: new BN(
    '0000000000000000000000000000000000000000000000000000000000000002',
    'hex'
  ),
  targetTimespan: 2.8 * 24 * 60 * 60,
  targetSpacing: 2 * 60,
  targetTimespanDigishield: 2 * 60,
  retargetInterval: 2016,
  targetReset: true,
  noRetargeting: false
};

simnet.block = {
  bip34height: 0,
  bip34hash:
    b('f67ad7695d9b662a72ff3d8edbbb2de0bfa67b13974bb9910d116d5cbd863e68'),
  bip65height: 0,
  bip65hash:
    b('f67ad7695d9b662a72ff3d8edbbb2de0bfa67b13974bb9910d116d5cbd863e68'),
  bip66height: 0,
  bip66hash:
    b('f67ad7695d9b662a72ff3d8edbbb2de0bfa67b13974bb9910d116d5cbd863e68'),
  uahfHeight: 0,
  uahfHash: null,
  daaHeight: 0,
  daaHash: null,
  magneticAnomalyActivationTime: 1542300000,
  greatWallActivationTime: 1557921600,
  pruneAfterHeight: 1000,
  keepBlocks: 10000,
  maxTipAge: 0xffffffff,
  slowHeight: 0
};

simnet.bip30 = {};

simnet.activationThreshold = 75; // 75% for testchains

simnet.minerWindow = 100; // nPowTargetTimespan / nPowTargetSpacing

simnet.deployments = {
  csv: {
    name: 'csv',
    bit: 0,
    startTime: 0, // March 1st, 2016
    timeout: 0xffffffff, // May 1st, 2017
    threshold: -1,
    window: -1,
    required: false,
    force: true
  },
  testdummy: {
    name: 'testdummy',
    bit: 28,
    startTime: 1199145601, // January 1, 2008
    timeout: 1230767999, // December 31, 2008
    threshold: -1,
    window: -1,
    required: false,
    force: true
  }
};

simnet.deploys = [
  simnet.deployments.csv,
  simnet.deployments.testdummy
];

simnet.keyPrefix = {
  privkey: 0x64,
  xpubkey: 0x0420bd3a,
  xprivkey: 0x0420b900,
  xpubkey58: 'spub',
  xprivkey58: 'sprv',
  coinType: 115
};

simnet.addressPrefix = {
  pubkeyhash: 0x3f,
  scripthash: 0x7b,
  cashaddr: 'bchsim'
};

simnet.requireStandard = false;

simnet.rpcPort = 18556;

simnet.walletPort = 18558;

simnet.minRelay = 1000;

simnet.feeRate = 20000;

simnet.maxFeeRate = 60000;

simnet.selfConnect = false;

simnet.requestMempool = false;

/*
 * Expose
 */

network.main = main;
network.testnet = testnet;
network.regtest = regtest;
network.simnet = simnet;