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Added (incomplete) Pirate Chain mainnet params
This commit is contained in:
CalDescent
parent
e15d559802
commit
7dc8c6f25d
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/*
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* Copyright 2013 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Adapted for Pirate Chain in May 2022 by Qortal dev team
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*/
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package org.libdohj.params;
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import org.bitcoinj.core.*;
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import org.bitcoinj.store.BlockStore;
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import org.bitcoinj.store.BlockStoreException;
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import org.bitcoinj.utils.MonetaryFormat;
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import org.libdohj.core.AltcoinNetworkParameters;
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import org.libdohj.core.AltcoinSerializer;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.math.BigInteger;
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import static org.bitcoinj.core.Coin.COIN;
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/**
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* Common parameters for Litecoin networks.
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*/
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public abstract class AbstractPirateChainParams extends NetworkParameters implements AltcoinNetworkParameters {
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/** Standard format for the PIRATE denomination. */
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public static final MonetaryFormat PIRATE;
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/** Standard format for the mPIRATE denomination. */
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public static final MonetaryFormat MPIRATE;
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/** Standard format for the BITS denomination. */
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public static final MonetaryFormat BITS;
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public static final int ARRR_TARGET_TIMESPAN = (int) (3.5 * 24 * 60 * 60); // 3.5 days // TODO
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public static final int ARRR_TARGET_SPACING = (int) (1 * 60); // 1 minute
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public static final int ARRR_INTERVAL = ARRR_TARGET_TIMESPAN / ARRR_TARGET_SPACING;
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/**
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* The maximum number of coins to be generated
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*/
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public static final long MAX_ARRR = 200000000;
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/**
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* The maximum money to be generated
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*/
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public static final Coin MAX_ARRR_MONEY = COIN.multiply(MAX_ARRR);
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/** Currency code for base 1 Litecoin. */
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public static final String CODE_PIRATE = "PIRATE";
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/** Currency code for base 1/1,000 Litecoin. */
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public static final String CODE_MPIRATE = "mPIRATE";
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/** Currency code for base 1/100,000,000 Litecoin. */
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public static final String CODE_BITS = "bits";
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static {
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PIRATE = MonetaryFormat.BTC.noCode()
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.code(0, CODE_PIRATE)
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.code(3, CODE_MPIRATE)
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.code(7, CODE_BITS);
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MPIRATE = PIRATE.shift(3).minDecimals(2).optionalDecimals(2);
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BITS = PIRATE.shift(7).minDecimals(0).optionalDecimals(2);
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}
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/** The string returned by getId() for the main, production network where people trade things. */
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public static final String ID_ARRR_MAINNET = "main";
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/** The string returned by getId() for the testnet. */
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public static final String ID_ARRR_TESTNET = "test";
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/** The string returned by getId() for regtest. */
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public static final String ID_ARRR_REGTEST = "regtest";
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public static final int PIRATE_PROTOCOL_VERSION_MINIMUM = 70002;
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public static final int PIRATE_PROTOCOL_VERSION_CURRENT = 70003;
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private static final Coin BASE_SUBSIDY = COIN.multiply(256);
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protected Logger log = LoggerFactory.getLogger(AbstractPirateChainParams.class);
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public AbstractPirateChainParams() {
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super();
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interval = ARRR_INTERVAL;
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targetTimespan = ARRR_TARGET_TIMESPAN;
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maxTarget = Utils.decodeCompactBits(0x1f07ffffL);
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packetMagic = 0xf9beb4d9;
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bip32HeaderP2PKHpub = 0x0488B21E; //The 4 byte header that serializes in base58 to "xpub". (?)
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bip32HeaderP2PKHpriv = 0x0488ADE4; //The 4 byte header that serializes in base58 to "xprv" (?)
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}
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@Override
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public Coin getBlockSubsidy(final int height) {
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return BASE_SUBSIDY.shiftRight(height / getSubsidyDecreaseBlockCount());
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}
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/**
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* Get the hash to use for a block.
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*/
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@Override
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public Sha256Hash getBlockDifficultyHash(Block block) {
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return ((AltcoinBlock) block).getScryptHash();
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}
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public MonetaryFormat getMonetaryFormat() {
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return PIRATE;
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}
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@Override
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public Coin getMaxMoney() {
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return MAX_ARRR_MONEY;
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}
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@Override
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public Coin getMinNonDustOutput() {
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return Coin.valueOf(100000);
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}
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@Override
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public String getUriScheme() {
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return "pirate";
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}
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@Override
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public boolean hasMaxMoney() {
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return true;
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}
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@Override
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public void checkDifficultyTransitions(StoredBlock storedPrev, Block nextBlock, BlockStore blockStore)
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throws VerificationException, BlockStoreException {
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try {
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final long newTargetCompact = calculateNewDifficultyTarget(storedPrev, nextBlock, blockStore);
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final long receivedTargetCompact = nextBlock.getDifficultyTarget();
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if (newTargetCompact != receivedTargetCompact)
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throw new VerificationException("Network provided difficulty bits do not match what was calculated: " +
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newTargetCompact + " vs " + receivedTargetCompact);
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} catch (CheckpointEncounteredException ex) {
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// Just have to take it on trust then
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}
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}
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/**
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* Get the difficulty target expected for the next block. This includes all
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* the weird cases for Litecoin such as testnet blocks which can be maximum
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* difficulty if the block interval is high enough.
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*
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* @throws CheckpointEncounteredException if a checkpoint is encountered while
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* calculating difficulty target, and therefore no conclusive answer can
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* be provided.
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*/
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public long calculateNewDifficultyTarget(StoredBlock storedPrev, Block nextBlock, BlockStore blockStore)
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throws VerificationException, BlockStoreException, CheckpointEncounteredException {
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final Block prev = storedPrev.getHeader();
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final int previousHeight = storedPrev.getHeight();
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final int retargetInterval = this.getInterval();
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// Is this supposed to be a difficulty transition point?
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if ((storedPrev.getHeight() + 1) % retargetInterval != 0) {
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if (this.allowMinDifficultyBlocks()) {
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// Special difficulty rule for testnet:
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// If the new block's timestamp is more than 5 minutes
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// then allow mining of a min-difficulty block.
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if (nextBlock.getTimeSeconds() > prev.getTimeSeconds() + getTargetSpacing() * 2) {
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return Utils.encodeCompactBits(maxTarget);
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} else {
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// Return the last non-special-min-difficulty-rules-block
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StoredBlock cursor = storedPrev;
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while (cursor.getHeight() % retargetInterval != 0
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&& cursor.getHeader().getDifficultyTarget() == Utils.encodeCompactBits(this.getMaxTarget())) {
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StoredBlock prevCursor = cursor.getPrev(blockStore);
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if (prevCursor == null) {
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break;
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}
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cursor = prevCursor;
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}
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return cursor.getHeader().getDifficultyTarget();
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}
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}
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// No ... so check the difficulty didn't actually change.
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return prev.getDifficultyTarget();
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}
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// We need to find a block far back in the chain. It's OK that this is expensive because it only occurs every
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// two weeks after the initial block chain download.
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StoredBlock cursor = storedPrev;
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int goBack = retargetInterval - 1;
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// Litecoin: This fixes an issue where a 51% attack can change difficulty at will.
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// Go back the full period unless it's the first retarget after genesis.
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// Code based on original by Art Forz
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if (cursor.getHeight()+1 != retargetInterval)
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goBack = retargetInterval;
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for (int i = 0; i < goBack; i++) {
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if (cursor == null) {
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// This should never happen. If it does, it means we are following an incorrect or busted chain.
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throw new VerificationException(
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"Difficulty transition point but we did not find a way back to the genesis block.");
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}
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cursor = blockStore.get(cursor.getHeader().getPrevBlockHash());
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}
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//We used checkpoints...
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if (cursor == null) {
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log.debug("Difficulty transition: Hit checkpoint!");
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throw new CheckpointEncounteredException();
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}
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Block blockIntervalAgo = cursor.getHeader();
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return this.calculateNewDifficultyTargetInner(previousHeight, prev.getTimeSeconds(),
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prev.getDifficultyTarget(), blockIntervalAgo.getTimeSeconds(),
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nextBlock.getDifficultyTarget());
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}
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/**
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* Calculate the difficulty target expected for the next block after a normal
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* recalculation interval. Does not handle special cases such as testnet blocks
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* being setting the target to maximum for blocks after a long interval.
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*
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* @param previousHeight height of the block immediately before the retarget.
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* @param prev the block immediately before the retarget block.
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* @param nextBlock the block the retarget happens at.
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* @param blockIntervalAgo The last retarget block.
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* @return New difficulty target as compact bytes.
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*/
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protected long calculateNewDifficultyTargetInner(int previousHeight, final Block prev,
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final Block nextBlock, final Block blockIntervalAgo) {
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return this.calculateNewDifficultyTargetInner(previousHeight, prev.getTimeSeconds(),
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prev.getDifficultyTarget(), blockIntervalAgo.getTimeSeconds(),
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nextBlock.getDifficultyTarget());
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}
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/**
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*
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* @param previousHeight Height of the block immediately previous to the one we're calculating difficulty of.
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* @param previousBlockTime Time of the block immediately previous to the one we're calculating difficulty of.
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* @param lastDifficultyTarget Compact difficulty target of the last retarget block.
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* @param lastRetargetTime Time of the last difficulty retarget.
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* @param nextDifficultyTarget The expected difficulty target of the next
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* block, used for determining precision of the result.
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* @return New difficulty target as compact bytes.
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*/
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protected long calculateNewDifficultyTargetInner(int previousHeight, long previousBlockTime,
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final long lastDifficultyTarget, final long lastRetargetTime,
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final long nextDifficultyTarget) {
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final int retargetTimespan = this.getTargetTimespan();
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int actualTime = (int) (previousBlockTime - lastRetargetTime);
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final int minTimespan = retargetTimespan / 4;
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final int maxTimespan = retargetTimespan * 4;
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actualTime = Math.min(maxTimespan, Math.max(minTimespan, actualTime));
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BigInteger newTarget = Utils.decodeCompactBits(lastDifficultyTarget);
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newTarget = newTarget.multiply(BigInteger.valueOf(actualTime));
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newTarget = newTarget.divide(BigInteger.valueOf(retargetTimespan));
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if (newTarget.compareTo(this.getMaxTarget()) > 0) {
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log.info("Difficulty hit proof of work limit: {}", newTarget.toString(16));
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newTarget = this.getMaxTarget();
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}
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int accuracyBytes = (int) (nextDifficultyTarget >>> 24) - 3;
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// The calculated difficulty is to a higher precision than received, so reduce here.
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BigInteger mask = BigInteger.valueOf(0xFFFFFFL).shiftLeft(accuracyBytes * 8);
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newTarget = newTarget.and(mask);
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return Utils.encodeCompactBits(newTarget);
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}
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@Override
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public AltcoinSerializer getSerializer(boolean parseRetain) {
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return new AltcoinSerializer(this, parseRetain);
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}
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@Override
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public int getProtocolVersionNum(final ProtocolVersion version) {
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switch (version) {
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case PONG:
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case BLOOM_FILTER:
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return version.getBitcoinProtocolVersion();
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case CURRENT:
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return PIRATE_PROTOCOL_VERSION_CURRENT;
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case MINIMUM:
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default:
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return PIRATE_PROTOCOL_VERSION_MINIMUM;
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}
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}
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/**
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* Whether this network has special rules to enable minimum difficulty blocks
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* after a long interval between two blocks (i.e. testnet).
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*/
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public boolean allowMinDifficultyBlocks() {
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return this.isTestNet();
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}
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public int getTargetSpacing() {
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return this.getTargetTimespan() / this.getInterval();
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}
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private static class CheckpointEncounteredException extends Exception { }
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}
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@ -0,0 +1,126 @@
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/*
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* Copyright 2013 Google Inc.
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* Copyright 2014 Andreas Schildbach
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Adapted for Pirate Chain in May 2022 by Qortal dev team
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*/
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package org.libdohj.params;
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import org.bitcoinj.core.*;
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import org.bitcoinj.params.MainNetParams;
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import org.bitcoinj.script.Script;
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import org.bitcoinj.script.ScriptOpCodes;
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import org.bouncycastle.util.encoders.Hex;
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import java.io.ByteArrayOutputStream;
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import static org.bitcoinj.core.Coin.COIN;
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/**
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* Parameters for the Pirate Chain main production network on which people trade
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* goods and services.
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* Note: these are incomplete and can only be used for limited use cases
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*/
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public class PirateChainMainNetParams extends AbstractPirateChainParams {
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public static final int MAINNET_MAJORITY_WINDOW = MainNetParams.MAINNET_MAJORITY_WINDOW;
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public static final int MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED = MainNetParams.MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED;
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public static final int MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE = MainNetParams.MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE;
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public PirateChainMainNetParams() {
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super();
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id = ID_ARRR_MAINNET;
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// Genesis hex is 0x027e3758c3a65b12aa1046462b486d0a63bfa1beae327897f56c5cfb7daaae71
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packetMagic = 0xf9beb4d9;
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maxTarget = Utils.decodeCompactBits(0x200f0f0fL);
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port = 7770;
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addressHeader = 60;
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p2shHeader = 85;
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segwitAddressHrp = "zs";
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// acceptableAddressCodes = new int[] { addressHeader, p2shHeader };
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dumpedPrivateKeyHeader = 188;
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this.genesisBlock = createGenesis(this);
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spendableCoinbaseDepth = 100;
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subsidyDecreaseBlockCount = 210000;
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String genesisHash = genesisBlock.getHashAsString();
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// TODO: The genesis hash currently does not match, so checking has temporarily been disabled. This will need fixing before the complete implementation can be used.
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//checkState(genesisHash.equals("")); // TODO: 0x027e3758c3a65b12aa1046462b486d0a63bfa1beae327897f56c5cfb7daaae71
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alertSigningKey = Hex.decode("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f");
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majorityEnforceBlockUpgrade = MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE;
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majorityRejectBlockOutdated = MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED;
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majorityWindow = MAINNET_MAJORITY_WINDOW;
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dnsSeeds = new String[] {
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"pirate1.cryptoforge.cc", // Forge
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"pirate2.cryptoforge.cc", // Forge
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"pirate3.cryptoforge.cc", // Forge
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"explorer.cryptoforge.cc", // Forge
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"explorer.pirate.black", // Explorer
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"mseed.dexstats.info", // Dexstats chmex
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"seed.komodostats.com", // komodostats webworker01
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"bootstrap.arrr.black" // geo optimized routing enabled chmex
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};
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bip32HeaderP2PKHpub = 0x0488B21E;
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bip32HeaderP2PKHpriv = 0x0488ADE4;
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}
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private static AltcoinBlock createGenesis(NetworkParameters params) {
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AltcoinBlock genesisBlock = new AltcoinBlock(params, 4L);
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Transaction t = new Transaction(params);
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try {
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byte[] bytes = Hex.decode
|
||||
("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");
|
||||
t.addInput(new TransactionInput(params, t, bytes));
|
||||
ByteArrayOutputStream scriptPubKeyBytes = new ByteArrayOutputStream();
|
||||
Script.writeBytes(scriptPubKeyBytes, Hex.decode
|
||||
("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f"));
|
||||
scriptPubKeyBytes.write(ScriptOpCodes.OP_CHECKSIG);
|
||||
t.addOutput(new TransactionOutput(params, t, COIN.multiply(50), scriptPubKeyBytes.toByteArray()));
|
||||
} catch (Exception e) {
|
||||
// Cannot happen.
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
genesisBlock.addTransaction(t);
|
||||
genesisBlock.setTime(1231006505L);
|
||||
genesisBlock.setDifficultyTarget(0x200f0f0fL);
|
||||
genesisBlock.setNonce(0x000000000000000000000000000000000000000000000000000000000000000bL);
|
||||
// TODO: merkle root
|
||||
return genesisBlock;
|
||||
}
|
||||
|
||||
private static PirateChainMainNetParams instance;
|
||||
public static synchronized PirateChainMainNetParams get() {
|
||||
if (instance == null) {
|
||||
instance = new PirateChainMainNetParams();
|
||||
}
|
||||
return instance;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getPaymentProtocolId() {
|
||||
return ID_ARRR_MAINNET;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isTestNet() {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user