network: implement btcd simnet.

lib/hd/private.js

@@ -275,7 +275,7 @@ HDPrivateKey.prototype.deriveAccount44 = function deriveAccount44(accountIndex)
   assert(this.isMaster(), 'Cannot derive account index.');
   return this
     .derive(44, true)
-    .derive(this.network.type === 'main' ? 0 : 1, true)
+    .derive(this.network.keyPrefix.coinType, true)
     .derive(accountIndex, true);
 };
 

lib/protocol/network.js

@@ -74,6 +74,7 @@ Network.testnet = null;
 Network.regtest = null;
 Network.segnet3 = null;
 Network.segnet4 = null;
+Network.simnet = null;
 
 /**
  * Update the height of the network.

lib/protocol/networks.js

@@ -15,7 +15,7 @@ var utils = require('../utils/utils');
  */
 
 var network = exports;
-var main, testnet, regtest, segnet3, segnet4;
+var main, testnet, regtest, segnet3, segnet4, simnet;
 
 /**
  * Network type list.
@@ -374,7 +374,8 @@ main.keyPrefix = {
   xpubkey: 0x0488b21e,
   xprivkey: 0x0488ade4,
   xprivkey58: 'xprv',
-  xpubkey58: 'xpub'
+  xpubkey58: 'xpub',
+  coinType: 0
 };
 
 /**
@@ -590,7 +591,8 @@ testnet.keyPrefix = {
   xpubkey: 0x043587cf,
   xprivkey: 0x04358394,
   xprivkey58: 'tprv',
-  xpubkey58: 'tpub'
+  xpubkey58: 'tpub',
+  coinType: 1
 };
 
 testnet.addressPrefix = {
@@ -739,7 +741,8 @@ regtest.keyPrefix = {
   xpubkey: 0x043587cf,
   xprivkey: 0x04358394,
   xprivkey58: 'tprv',
-  xpubkey58: 'tpub'
+  xpubkey58: 'tpub',
+  coinType: 1
 };
 
 regtest.addressPrefix = {
@@ -862,7 +865,8 @@ segnet3.keyPrefix = {
   xpubkey: 0x053587cf,
   xprivkey: 0x05358394,
   xprivkey58: '2791',
-  xpubkey58: '2793'
+  xpubkey58: '2793',
+  coinType: 1
 };
 
 segnet3.addressPrefix = {
@@ -1004,7 +1008,8 @@ segnet4.keyPrefix = {
   xpubkey: 0x053587cf,
   xprivkey: 0x05358394,
   xprivkey58: '2791',
-  xpubkey58: '2793'
+  xpubkey58: '2793',
+  coinType: 1
 };
 
 segnet4.addressPrefix = {
@@ -1034,3 +1039,154 @@ segnet4.batchSize = [
   [17000, 500],
   [250]
 ];
+
+/*
+ * Simnet (btcd)
+ */
+
+simnet = network.simnet = {};
+
+simnet.type = 'simnet';
+
+simnet.height = -1;
+
+simnet.seeds = [
+  '127.0.0.1'
+];
+
+simnet.magic = 0x12141c16;
+
+simnet.port = 18555;
+
+simnet.alertKey = new Buffer(''
+  + '04302390343f91cc401d56d68b123028bf52e5f'
+  + 'ca1939df127f63c6467cdf9c8e2c14b61104cf8'
+  + '17d0b780da337893ecc4aaff1309e536162dabb'
+  + 'db45200ca2b0a',
+  'hex');
+
+simnet.checkpoints = {};
+
+simnet.checkpoints.lastHeight = 0;
+
+simnet.halvingInterval = 210000;
+
+simnet.genesis = {
+  version: 1,
+	hash: 'f67ad7695d9b662a72ff3d8edbbb2de0bfa67b13974bb9910d116d5cbd863e68',
+  prevBlock: '0000000000000000000000000000000000000000000000000000000000000000',
+  merkleRoot: '3ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a',
+  ts: 1401292357,
+  bits: 545259519,
+  nonce: 2
+};
+
+simnet.genesisBlock =
+  '0100000000000000000000000000000000000000000000000000000000000000000000'
+  + '003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a4506'
+  + '8653ffff7f200200000001010000000100000000000000000000000000000000000000'
+  + '00000000000000000000000000ffffffff4d04ffff001d0104455468652054696d6573'
+  + '2030332f4a616e2f32303039204368616e63656c6c6f72206f6e206272696e6b206f66'
+  + '207365636f6e64206261696c6f757420666f722062616e6b73ffffffff0100f2052a01'
+  + '000000434104678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f'
+  + '61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f'
+  + 'ac00000000';
+
+simnet.pow = {
+  limit: new bn(
+    // High target of 0x207fffff (545259519)
+    '7fffff0000000000000000000000000000000000000000000000000000000000',
+    'hex'
+  ),
+  targetTimespan: 14 * 24 * 60 * 60, // two weeks
+  targetSpacing: 10 * 60,
+  allowMinDifficultyBlocks: true,
+  noRetargeting: false
+};
+
+simnet.pow.retargetInterval = simnet.pow.targetTimespan / simnet.pow.targetSpacing | 0;
+
+simnet.pow.bits = utils.toCompact(simnet.pow.limit);
+
+simnet.block = {
+  majorityEnforceUpgrade: 51,
+  majorityRejectOutdated: 75,
+  majorityWindow: 100,
+  bip34height: -1,
+  bip34hash: null,
+  pruneAfterHeight: 1000,
+  maxTipAge: 0x7fffffff,
+  slowHeight: 0
+};
+
+simnet.witness = false;
+
+simnet.oldWitness = false;
+
+simnet.activationThreshold = 1512; // 75% for testchains
+
+simnet.minerWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
+
+simnet.deployments = {
+  testdummy: {
+    bit: 28,
+    startTime: 1199145601, // January 1, 2008
+    timeout: 1230767999, // December 31, 2008
+    force: true
+  },
+  csv: {
+    bit: 0,
+    startTime: 1456790400, // March 1st, 2016
+    timeout: 1493596800, // May 1st, 2017
+    force: true
+  },
+  witness: {
+    bit: 1,
+    startTime: 1462060800, // May 1st 2016
+    timeout: 1493596800, // May 1st 2017
+    force: false
+  },
+  mast: {
+    bit: 2,
+    startTime: 2000000000, // Far in the future
+    timeout: 2100000000,
+    force: false
+  }
+};
+
+simnet.keyPrefix = {
+  privkey: 100,
+  xpubkey: 0x0420bd3a,
+  xprivkey: 0x0420b900,
+  xprivkey58: 'sprv',
+  xpubkey58: 'spub',
+  coinType: 115
+};
+
+simnet.addressPrefix = {
+  pubkeyhash: 63,
+  scripthash: 123,
+  witnesspubkeyhash: 3,
+  witnessscripthash: 40
+};
+
+simnet.requireStandard = false;
+
+simnet.rpcPort = 18556;
+
+simnet.minRelay = 10000;
+
+simnet.feeRate = 20000;
+
+simnet.minRate = 10000;
+
+simnet.maxRate = 40000;
+
+simnet.selfConnect = true;
+
+simnet.requestMempool = false;
+
+simnet.batchSize = [
+  [100000, 500],
+  [250]
+];

scripts/gen.js

@@ -102,6 +102,13 @@ var segnet4 = createGenesisBlock({
   nonce: 0
 });
 
+var btcd = createGenesisBlock({
+  version: 1,
+  ts: 1401292357,
+  bits: 545259519,
+  nonce: 2
+});
+
 utils.log(main);
 utils.log('');
 utils.log(testnet);
@@ -127,3 +134,6 @@ utils.log('segnet3 raw: %s', segnet3.toRaw().toString('hex'));
 utils.log('');
 utils.log('segnet4 hash: %s', segnet4.rhash);
 utils.log('segnet4 raw: %s', segnet4.toRaw().toString('hex'));
+utils.log('');
+utils.log('btcd simnet hash: %s', btcd.rhash);
+utils.log('btcd simnet raw: %s', btcd.toRaw().toString('hex'));