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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 20.0.0 seed list
addrSeeds = new int[] {
0x3461fad8,
0x2e4beed8,
0x7de8e6d8,
0x089abdd8,
0x3ed96bd8,
0xaef9a8d5,
0xd20034d4,
0x806e18d4,
0xdf6b18d4,
0x28f7f4cf,
0x6dd5a8ce,
0xe2d4a8ce,
0xb2d4a8ce,
0x90d4a8ce,
0xcb1205ca,
0x40d3b5c3,
0xd25f62c3,
0xe4479ec2,
0xd65187c2,
0xd69d05c2,
0x3295a4c1,
0x603b1dc1,
0x15391dc1,
0x5706a9c0,
0x8c5340c0,
0xb7c4d0bc,
0xf3ed7fbc,
0x28e67fbc,
0x5edf44bc,
0xdb73f3b9,
0x9c53e4b9,
0x8b7fd9b9,
0x760dd8b9,
0x2218d5b9,
0xf928b9b9,
0x75aba5b9,
0xdaa3a4b9,
0x55a3a4b9,
0x22639bb9,
0x90d48eb9,
0xc85087b9,
0x078467b9,
0x3d9557b9,
0x91651cb9,
0xe257d0b2,
0xd557d0b2,
0x0c029fb2,
0xb35b9db2,
0xb05b9db2,
0xccfe80b2,
0x81793fb2,
0x75eb3eb2,
0x107f7eb0,
0x0f7f7eb0,
0x914166b0,
0xcfe922ae,
0xcee922ae,
0xcce922ae,
0xcbe922ae,
0x7a15f9ad,
0x151569ac,
0x045077a8,
0x10a958a7,
0x87ea16a5,
0xdd17859b,
0x06309e96,
0xb014ef91,
0x5fcdca8e,
0x54e41285,
0xbae9a282,
0xfc783d82,
0x9fb5c780,
0xa640c17b,
0x6446eb6d,
0xaa45eb6d,
0x5f41eb6d,
0x1609376a,
0x7423ee68,
0x7223ee68,
0xf95fa067,
0xe15fa067,
0xdb5fa067,
0x2ec4d35f,
0x20c4d35f,
0x08c4d35f,
0x2c35b75f,
0x6234b75f,
0x8d33b75f,
0xb94c155d,
0x1f0b895b,
0x6049b359,
0x0a137559,
0xc6694959,
0x57042859,
0x56fd6257,
0xca6bd755,
0xbef1d155,
0xbcf1d155,
0x47f1d155,
0x23f1d155,
0xccb3f254,
0x11320954,
0xc119d352,
0x6919d352,
0xb315d352,
0x1715d352,
0x53e6ca52,
0x33fae351,
0xaaead150,
0x5f1d8f4f,
0x0013534e,
0x5984e84d,
0x0484e84d,
0x0463df4d,
0xf76b3d45,
0xd76b3d45,
0x46f3f442,
0x45f3f442,
0xa6e06e3a,
0x79ea2536,
0xac092134,
0x52c49f33,
0xeda99e33,
0x409b4433,
0x2a750f33,
0xce600f33,
0xc538f32f,
0xa66d6d2f,
0x1cf1fe2e,
0x15f1fe2e,
0x06f1fe2e,
0x04f1fe2e,
0x20f9fa2e,
0x091f482e,
0xf228242e,
0xfbbd1e2e,
0xd6bd1e2e,
0xd5bd1e2e,
0xbff10a2e,
0x7fa2042e,
0xc9138c2d,
0xd95e5b2d,
0x2aa3562d,
0x7a7a532d,
0xcd284f2d,
0xcfa94d2d,
0x5b534c2d,
0x689f472d,
0x6c9e472d,
0x3a9e472d,
0x5a6b3f2d,
0xdd383a2d,
0x1818212d,
0x40b60b2d,
0x9afa082d,
0x91f8082d,
0xd663f02c,
0x2e4de52b,
0xa6684d25,
0x6863941f,
0x24610a1f,
0xcb00a317,
0x09f48b12,
0xc06aff05,
0x1815fc05,
0x34efbd05,
0x5091bd05,
0x2ccab505,
0x10cab505,
0x4f6ea105,
0xf36d4f05,
0x764a4e05,
0x6f672305,
0x4a672305,
0x40672305,
0x3a672305,
0x22ed0905,
0xbe430205,
0x39f15203,
0x41e02303,
0x2378e902,
0xddd53802,
0xdcd53802
};
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 + 4 cycles
v19BlockHeight = 1899072;
v20BlockHeight = 1987776;
// 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;
llmqTypeAssetLocks = LLMQParameters.LLMQType.LLMQ_400_85;
BIP34Height = 951; // 000001f35e70f7c5705f64c6c5cc3dea9449e74d5b5c7cf74dad1bcca14a8012
BIP65Height = 619382; // 00000000000076d8fcea02ec0963de4abfd01e771fec0863f960c2c64fe6f357
BIP66Height = 245817;
coinType = 5;
// coinjoin
poolMinParticipants = 3;
poolMaxParticipants = 20;
}
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;
}
}
