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org.bitcoinj.params.DevNetParams Maven / Gradle / Ivy
/*
* Copyright 2020 Dash Core Group
*
* 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.bitcoinj.store.BlockStore;
import org.bitcoinj.store.BlockStoreException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.math.BigInteger;
import java.util.HashMap;
import static com.google.common.base.Preconditions.checkState;
import static org.bitcoinj.core.Utils.HEX;
/**
* Parameters for a named devnet, a separate instance of Dash that has relaxed rules suitable for development
* and testing of applications and new Dash versions. The name of the devnet is used to generate the
* second block of the blockchain.
*/
public class DevNetParams extends AbstractBitcoinNetParams {
private static final Logger log = LoggerFactory.getLogger(DevNetParams.class);
private static final BigInteger MAX_TARGET = Utils.decodeCompactBits(0x207fffff);
BigInteger maxUint256 = new BigInteger("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 16);
private static int DEFAULT_PROTOCOL_VERSION = 70211;
private int protocolVersion;
public DevNetParams(String devNetName, String sporkAddress, int defaultPort, String [] dnsSeeds) {
this(devNetName, sporkAddress, defaultPort, dnsSeeds, true, DEFAULT_PROTOCOL_VERSION);
}
public DevNetParams(String devNetName, String sporkAddress, int defaultPort, String [] dnsSeeds, boolean supportsV18) {
this(devNetName, sporkAddress, defaultPort, dnsSeeds, supportsV18, DEFAULT_PROTOCOL_VERSION);
}
public DevNetParams(String devNetName, String sporkAddress, int defaultPort, String [] dnsSeeds, boolean supportsV18, int protocolVersion) {
super();
this.devNetName = "devnet-" + devNetName;
id = ID_DEVNET + "." + devNetName;
packetMagic = 0xe2caffceL;
interval = INTERVAL;
targetTimespan = TARGET_TIMESPAN;
maxTarget = MAX_TARGET;
port = defaultPort;
addressHeader = 140;
p2shHeader = 19;
dumpedPrivateKeyHeader = 239;
genesisBlock.setTime(1417713337L);
genesisBlock.setDifficultyTarget(0x207fffff);
genesisBlock.setNonce(1096447);
spendableCoinbaseDepth = 100;
subsidyDecreaseBlockCount = 210240;
String genesisHash = genesisBlock.getHashAsString();
checkState(genesisHash.equals("000008ca1832a4baf228eb1553c03d3a2c8e02399550dd6ea8d65cec3ef23d2e"));
devnetGenesisBlock = findDevnetGenesis(this, this.devNetName, getGenesisBlock(), Coin.valueOf(50, 0));
alertSigningKey = HEX.decode("04517d8a699cb43d3938d7b24faaff7cda448ca4ea267723ba614784de661949bf632d6304316b244646dea079735b9a6fc4af804efb4752075b9fe2245e14e412");
this.dnsSeeds = dnsSeeds;
checkpoints.put( 1, devnetGenesisBlock.getHash());
addrSeeds = null;
bip32HeaderP2PKHpub = 0x043587cf;
bip32HeaderP2PKHpriv = 0x04358394;
dip14HeaderP2PKHpub = 0x0eed270b; // The 4 byte header that serializes in base58 to "dptp".
dip14HeaderP2PKHpriv = 0x0eed2774; // The 4 byte header that serializes in base58 to "dpts"
strSporkAddress = sporkAddress;
budgetPaymentsStartBlock = 4100;
budgetPaymentsCycleBlocks = 50;
budgetPaymentsWindowBlocks = 10;
majorityEnforceBlockUpgrade = TestNet3Params.TESTNET_MAJORITY_ENFORCE_BLOCK_UPGRADE;
majorityRejectBlockOutdated = TestNet3Params.TESTNET_MAJORITY_REJECT_BLOCK_OUTDATED;
majorityWindow = TestNet3Params.TESTNET_MAJORITY_WINDOW;
DIP0001BlockHeight = 2;
DIP0003BlockHeight = 2;
DIP0008BlockHeight = 2;
fulfilledRequestExpireTime = 5*60;
masternodeMinimumConfirmations = 1;
superblockStartBlock = 4200;
superblockCycle = 24;
nGovernanceMinQuorum = 1;
nGovernanceFilterElements = 500;
powDGWHeight = 4001;
powKGWHeight = 4001;
powAllowMinimumDifficulty = true;
powNoRetargeting = false;
this.supportsV18 = supportsV18;
instantSendConfirmationsRequired = 2;
instantSendKeepLock = 6;
deterministicMasternodesEnabledHeight = 2;
deterministicMasternodesEnabled = true;
this.protocolVersion = protocolVersion;
//LLMQ parameters
llmqs = new HashMap<>(4);
addLLMQ(LLMQParameters.LLMQType.LLMQ_DEVNET);
addLLMQ(LLMQParameters.LLMQType.LLMQ_50_60);
addLLMQ(LLMQParameters.LLMQType.LLMQ_60_75);
addLLMQ(LLMQParameters.LLMQType.LLMQ_400_60);
addLLMQ(LLMQParameters.LLMQType.LLMQ_400_85);
addLLMQ(LLMQParameters.LLMQType.LLMQ_100_67);
addLLMQ(LLMQParameters.LLMQType.LLMQ_DEVNET);
addLLMQ(LLMQParameters.LLMQType.LLMQ_DEVNET_DIP0024);
addLLMQ(LLMQParameters.LLMQType.LLMQ_DEVNET_PLATFORM);
llmqChainLocks = LLMQParameters.LLMQType.LLMQ_50_60;
llmqForInstantSend = LLMQParameters.LLMQType.LLMQ_50_60;
llmqTypeDIP0024InstantSend = LLMQParameters.LLMQType.LLMQ_60_75;
llmqTypePlatform = LLMQParameters.LLMQType.LLMQ_100_67;
llmqTypeMnhf = LLMQParameters.LLMQType.LLMQ_50_60;
BIP34Height = 1;
BIP65Height = 1;
BIP66Height = 1;
coinType = 1;
minSporkKeys = 1;
}
//support more than one DevNet
private static HashMap instances;
//get the devnet by name or create it if it doesn't exist.
public static synchronized DevNetParams get(String devNetName, String sporkAddress, int defaultPort, String [] dnsSeeds) {
if (instances == null) {
instances = new HashMap(1);
}
if(!instances.containsKey("devnet-" + devNetName)) {
DevNetParams instance = new DevNetParams(devNetName, sporkAddress, defaultPort, dnsSeeds);
instances.put("devnet-" + devNetName, instance);
return instance;
} else {
return instances.get("devnet-" + devNetName);
}
}
public static synchronized DevNetParams get(String devNetName) {
if (instances == null) {
instances = new HashMap<>(1);
}
if(!instances.containsKey("devnet-" + devNetName)) {
return null;
} else {
return instances.get("devnet-" + devNetName);
}
}
public static synchronized void add(DevNetParams params) {
if (instances == null)
instances = new HashMap<>(1);
instances.put(params.devNetName, params);
}
@Override
public String getPaymentProtocolId() {
return PAYMENT_PROTOCOL_ID_DEVNET;
}
@Override
public void checkDifficultyTransitions_BTC(final StoredBlock storedPrev, final Block nextBlock,
final BlockStore blockStore) throws VerificationException, BlockStoreException {
}
public void DarkGravityWave(StoredBlock storedPrev, Block nextBlock,
final BlockStore blockStore) throws VerificationException {
}
@Override
public int getProtocolVersionNum(ProtocolVersion version) {
switch(version) {
case MINIMUM:
case CURRENT:
case BLOOM_FILTER:
return protocolVersion != -1 ? protocolVersion : super.getProtocolVersionNum(version);
}
return super.getProtocolVersionNum(version);
}
void setLLMQChainLocks(LLMQParameters.LLMQType llmqChainLocks) {
this.llmqChainLocks = llmqChainLocks;
}
void updateLLMQDevnetParams(int size, int threshold) {
LLMQParameters llmqParameters = llmqs.get(LLMQParameters.LLMQType.LLMQ_DEVNET);
llmqParameters.setSize(size);
llmqParameters.setMinSize(threshold);
llmqParameters.setThreshold(threshold);
llmqParameters.setDkgBadVotesThreshold(threshold);
}
void updateLLMQTestParams(int size, int threshold) {
LLMQParameters llmqParameters = llmqs.get(LLMQParameters.LLMQType.LLMQ_TEST);
llmqParameters.setSize(size);
llmqParameters.setMinSize(threshold);
llmqParameters.setThreshold(threshold);
llmqParameters.setDkgBadVotesThreshold(threshold);
}
}
