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org.bitcoinj.params.MainNetParams Maven / Gradle / Ivy
/*
* Copyright 2013 Google Inc.
* Copyright 2015 Andreas Schildbach
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.bitcoinj.params;
import org.bitcoinj.core.*;
import org.bitcoinj.quorums.LLMQParameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.math.BigInteger;
import java.util.HashMap;
import static com.google.common.base.Preconditions.*;
/**
* Parameters for the main production network on which people trade goods and services.
*/
public class MainNetParams extends AbstractBitcoinNetParams {
private static final Logger log = LoggerFactory.getLogger(MainNetParams.class);
public static final int MAINNET_MAJORITY_WINDOW = 1000;
public static final int MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED = 950;
public static final int MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE = 750;
public MainNetParams() {
super();
interval = INTERVAL;
targetTimespan = TARGET_TIMESPAN;
// 00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
maxTarget = Utils.decodeCompactBits(0x1e0fffffL);
dumpedPrivateKeyHeader = 204;
addressHeader = 76;
p2shHeader = 16;
port = 9999;
packetMagic = 0xbf0c6bbdL;
bip32HeaderP2PKHpub = 0x0488b21e; // The 4 byte header that serializes in base58 to "xpub".
bip32HeaderP2PKHpriv = 0x0488ade4; // The 4 byte header that serializes in base58 to "xprv"
dip14HeaderP2PKHpub = 0x0eecefc5; // The 4 byte header that serializes in base58 to "dpmp".
dip14HeaderP2PKHpriv = 0x0eecf02e; // The 4 byte header that serializes in base58 to "dpms"
genesisBlock.setDifficultyTarget(0x1e0ffff0L);
genesisBlock.setTime(1390095618L);
genesisBlock.setNonce(28917698);
majorityEnforceBlockUpgrade = MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE;
majorityRejectBlockOutdated = MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED;
majorityWindow = MAINNET_MAJORITY_WINDOW;
id = ID_MAINNET;
subsidyDecreaseBlockCount = 210240;
spendableCoinbaseDepth = 100;
String genesisHash = genesisBlock.getHashAsString();
checkState(genesisHash.equals("00000ffd590b1485b3caadc19b22e6379c733355108f107a430458cdf3407ab6"),
genesisHash);
dnsSeeds = new String[] {
"dnsseed.dash.org"
};
// This contains (at a minimum) the blocks which are not BIP30 compliant. BIP30 changed how duplicate
// transactions are handled. Duplicated transactions could occur in the case where a coinbase had the same
// extraNonce and the same outputs but appeared at different heights, and greatly complicated re-org handling.
// Having these here simplifies block connection logic considerably.
checkpoints.put( 1500, Sha256Hash.wrap("000000aaf0300f59f49bc3e970bad15c11f961fe2347accffff19d96ec9778e3"));
checkpoints.put( 4991, Sha256Hash.wrap("000000003b01809551952460744d5dbb8fcbd6cbae3c220267bf7fa43f837367"));
checkpoints.put( 9918, Sha256Hash.wrap("00000000213e229f332c0ffbe34defdaa9e74de87f2d8d1f01af8d121c3c170b"));
checkpoints.put( 16912, Sha256Hash.wrap("00000000075c0d10371d55a60634da70f197548dbbfa4123e12abfcbc5738af9"));
checkpoints.put( 23912, Sha256Hash.wrap("0000000000335eac6703f3b1732ec8b2f89c3ba3a7889e5767b090556bb9a276"));
checkpoints.put( 35457, Sha256Hash.wrap("0000000000b0ae211be59b048df14820475ad0dd53b9ff83b010f71a77342d9f"));
checkpoints.put( 45479, Sha256Hash.wrap("000000000063d411655d590590e16960f15ceea4257122ac430c6fbe39fbf02d"));
checkpoints.put( 55895, Sha256Hash.wrap("0000000000ae4c53a43639a4ca027282f69da9c67ba951768a20415b6439a2d7"));
checkpoints.put( 68899, Sha256Hash.wrap("0000000000194ab4d3d9eeb1f2f792f21bb39ff767cb547fe977640f969d77b7"));
checkpoints.put( 74619, Sha256Hash.wrap("000000000011d28f38f05d01650a502cc3f4d0e793fbc26e2a2ca71f07dc3842"));
checkpoints.put( 75095, Sha256Hash.wrap("0000000000193d12f6ad352a9996ee58ef8bdc4946818a5fec5ce99c11b87f0d"));
checkpoints.put( 88805, Sha256Hash.wrap("00000000001392f1652e9bf45cd8bc79dc60fe935277cd11538565b4a94fa85f"));
checkpoints.put(107996, Sha256Hash.wrap("00000000000a23840ac16115407488267aa3da2b9bc843e301185b7d17e4dc40"));
checkpoints.put(137993, Sha256Hash.wrap("00000000000cf69ce152b1bffdeddc59188d7a80879210d6e5c9503011929c3c"));
checkpoints.put(167996, Sha256Hash.wrap("000000000009486020a80f7f2cc065342b0c2fb59af5e090cd813dba68ab0fed"));
checkpoints.put(207992, Sha256Hash.wrap("00000000000d85c22be098f74576ef00b7aa00c05777e966aff68a270f1e01a5"));
checkpoints.put(312645, Sha256Hash.wrap("0000000000059dcb71ad35a9e40526c44e7aae6c99169a9e7017b7d84b1c2daf"));
checkpoints.put(407452, Sha256Hash.wrap("000000000003c6a87e73623b9d70af7cd908ae22fee466063e4ffc20be1d2dbc"));
checkpoints.put(523412, Sha256Hash.wrap("000000000000e54f036576a10597e0e42cc22a5159ce572f999c33975e121d4d"));
checkpoints.put(523930, Sha256Hash.wrap("0000000000000bccdb11c2b1cfb0ecab452abf267d89b7f46eaf2d54ce6e652c"));
checkpoints.put(750000, Sha256Hash.wrap("00000000000000b4181bbbdddbae464ce11fede5d0292fb63fdede1e7c8ab21c"));
checkpoints.put(888900, Sha256Hash.wrap("0000000000000026c29d576073ab51ebd1d3c938de02e9a44c7ee9e16f82db28"));
checkpoints.put(967800, Sha256Hash.wrap("0000000000000024e26c7df7e46d673724d223cf4ca2b2adc21297cc095600f4"));
checkpoints.put(1067570, Sha256Hash.wrap("000000000000001e09926bcf5fa4513d23e870a34f74e38200db99eb3f5b7a70"));
checkpoints.put(1167570, Sha256Hash.wrap("000000000000000fb7b1e9b81700283dff0f7d87cf458e5edfdae00c669de661"));
checkpoints.put(1364585, Sha256Hash.wrap("00000000000000022f355c52417fca9b73306958f7c0832b3a7bce006ca369ef"));
checkpoints.put(1450000, Sha256Hash.wrap("00000000000000105cfae44a995332d8ec256850ea33a1f7b700474e3dad82bc"));
// Dash does not have a Http Seeder
// If an Http Seeder is set up, add it here. References: HttpDiscovery
httpSeeds = null;
// updated with Dash Core 18.0.1 seed list
addrSeeds = new int[] {
0xddd53802,
0xbe430205,
0x3a490205,
0x22ed0905,
0xf36d4f05,
0xe12c6505,
0xb857a105,
0x2378a105,
0x077ea105,
0x12cab505,
0x09f48b12,
0x94819d12,
0x2af65117,
0x0a855317,
0xc4855317,
0x24610a1f,
0xf263941f,
0x3204b21f,
0xf2edd122,
0x38e31225,
0x15e36125,
0x7785c22a,
0x2e4de52b,
0x1818212d,
0x6b40382d,
0x7146382d,
0x5a6b3f2d,
0x3a9e472d,
0x429e472d,
0x689f472d,
0xf1274c2d,
0x3f594c2d,
0x472e4f2d,
0x2d75552d,
0xca75552d,
0x53a2562d,
0x55a2562d,
0x9aa2562d,
0xbdbd1e2e,
0xd5bd1e2e,
0xd6bd1e2e,
0xfbbd1e2e,
0xf228242e,
0x18f1fe2e,
0x1cf1fe2e,
0x1476382f,
0xe8985b2f,
0x6a7b622f,
0x5baf1132,
0xce600f33,
0x2a750f33,
0xe0fe0f33,
0xe6b32633,
0xd2bf5333,
0xeda99e33,
0x3c8dca34,
0x60b9a436,
0x2bdada36,
0x8cbeab3e,
0xce41fb40,
0x560cac42,
0x45f3f442,
0xe614ca43,
0xd76b3d45,
0xd96b3d45,
0xf26b3d45,
0xb3d4dc4d,
0xf8885550,
0xaaead150,
0xe784f050,
0x76f00251,
0xa50d4751,
0xf502ab51,
0x99dfe251,
0x53e6ca52,
0x1715d352,
0xb315d352,
0x6919d352,
0xc119d352,
0x34743454,
0xccb3f254,
0x5bf81155,
0x59a5ce55,
0x5aa5ce55,
0x23f1d155,
0xbef1d155,
0x04f2d155,
0x62f2d155,
0x56fd6257,
0x2c0d2859,
0x36432d59,
0x8a432d59,
0x728cbe5d,
0x8d33b75f,
0x9233b75f,
0x2735b75f,
0x22c4d35f,
0xe12dd75f,
0x786ed75f,
0xdb5fa067,
0xe15fa067,
0xd6ef8068,
0xda79346a,
0x5a18a16b,
0xd465bf6b,
0x46f73d6c,
0xa640c17b,
0x081c448a,
0xf0c7098b,
0x22d2ee8c,
0x6b355f8d,
0x65cdca8e,
0xa78e7e90,
0x421c8391,
0x441c8391,
0xd61d8391,
0x602a8391,
0xceafb992,
0xe4454398,
0x4aa2659e,
0x1ca8659e,
0xcd3347a7,
0x3e4f56a7,
0x045077a8,
0x5551eba8,
0xf155eba8,
0x87aa4baa,
0x7a15f9ad,
0x141af9ad,
0xc9e922ae,
0xcae922ae,
0xcbe922ae,
0xcce922ae,
0x914166b0,
0xc6397bb0,
0xc8397bb0,
0xcb397bb0,
0xcd397bb0,
0x2b88dfb0,
0x81793fb2,
0x7e5b9db2,
0xb05b9db2,
0xb35b9db2,
0xe03405b9,
0xaa973eb9,
0xae973eb9,
0xde6840b9,
0xdf6840b9,
0x90d48eb9,
0x75aba5b9,
0x289eafb9,
0x253bb1b9,
0x7153e4b9,
0x9c53e4b9,
0x700af3b9,
0x730af3b9,
0x6af128bc,
0x28e67fbc,
0xf3ed7fbc,
0x0c75f4bc,
0x1906a9c0,
0x58381dc1,
0x603b1dc1,
0xe051edc1,
0xc3e81ac2,
0x884bb6c2,
0x11d2b5c3,
0x40d3b5c3,
0x70c63dca,
0xd3f83dca,
0x3ed96bd8,
0x5f93bdd8,
0xb293bdd8,
0x5e97bdd8,
0xe54074de
};
strSporkAddress = "Xgtyuk76vhuFW2iT7UAiHgNdWXCf3J34wh";
minSporkKeys = 1;
budgetPaymentsStartBlock = 328008;
budgetPaymentsCycleBlocks = 16616;
budgetPaymentsWindowBlocks = 100;
DIP0001BlockHeight = 782208;
fulfilledRequestExpireTime = 60*60;
masternodeMinimumConfirmations = 15;
superblockStartBlock = 614820;
superblockCycle = 16616;
nGovernanceMinQuorum = 10;
nGovernanceFilterElements = 20000;
powDGWHeight = 34140;
powKGWHeight = 15200;
powAllowMinimumDifficulty = false;
powNoRetargeting = false;
instantSendConfirmationsRequired = 6;
instantSendKeepLock = 24;
DIP0003BlockHeight = 1028160;
deterministicMasternodesEnabledHeight = 1047200;
deterministicMasternodesEnabled = true;
DIP0008BlockHeight = 1088640;
DIP0024BlockHeight = 1737792 + 4 * 288; // DIP24 activation time + 5 cycles
v19BlockHeight = 1874880;
// long living quorum params
addLLMQ(LLMQParameters.LLMQType.LLMQ_50_60);
addLLMQ(LLMQParameters.LLMQType.LLMQ_400_60);
addLLMQ(LLMQParameters.LLMQType.LLMQ_400_85);
addLLMQ(LLMQParameters.LLMQType.LLMQ_100_67);
addLLMQ(LLMQParameters.LLMQType.LLMQ_60_75);
llmqChainLocks = LLMQParameters.LLMQType.LLMQ_400_60;
llmqForInstantSend = LLMQParameters.LLMQType.LLMQ_50_60;
llmqTypePlatform = LLMQParameters.LLMQType.LLMQ_100_67;
llmqTypeDIP0024InstantSend = LLMQParameters.LLMQType.LLMQ_60_75;
llmqTypeMnhf = LLMQParameters.LLMQType.LLMQ_400_85;
BIP34Height = 951; // 000001f35e70f7c5705f64c6c5cc3dea9449e74d5b5c7cf74dad1bcca14a8012
BIP65Height = 619382; // 00000000000076d8fcea02ec0963de4abfd01e771fec0863f960c2c64fe6f357
BIP66Height = 245817;
coinType = 5;
}
private static MainNetParams instance;
public static synchronized MainNetParams get() {
if (instance == null) {
instance = new MainNetParams();
}
return instance;
}
@Override
public String getPaymentProtocolId() {
return PAYMENT_PROTOCOL_ID_MAINNET;
}
@Override
protected void verifyDifficulty(StoredBlock storedPrev, Block nextBlock, BigInteger newTarget) {
long newTargetCompact = calculateNextDifficulty(storedPrev, nextBlock, newTarget);
long receivedTargetCompact = nextBlock.getDifficultyTarget();
int height = storedPrev.getHeight() + 1;
// On mainnet before block 68589: incorrect proof of work (DGW pre-fork)
// see ContextualCheckBlockHeader in src/validation.cpp in Core repo (dashpay/dash)
String msg = "Network provided difficulty bits do not match what was calculated: " +
Long.toHexString(newTargetCompact) + " vs " + Long.toHexString(receivedTargetCompact);
if (height <= 68589) {
double n1 = convertBitsToDouble(receivedTargetCompact);
double n2 = convertBitsToDouble(newTargetCompact);
if (java.lang.Math.abs(n1 - n2) > n1 * 0.5 )
throw new VerificationException(msg);
} else {
if (newTargetCompact != receivedTargetCompact)
throw new VerificationException(msg);
}
}
static double convertBitsToDouble(long nBits) {
long nShift = (nBits >> 24) & 0xff;
double dDiff =
(double)0x0000ffff / (double)(nBits & 0x00ffffff);
while (nShift < 29)
{
dDiff *= 256.0;
nShift++;
}
while (nShift > 29)
{
dDiff /= 256.0;
nShift--;
}
return dDiff;
}
}
