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/*
 * 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.Utils;

/**
 * Parameters for the main production network on which people trade goods and services.
 */
public class MainNetParams extends AbstractBitcoinNetParams {
    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;
        maxTarget = Utils.decodeCompactBits(0x1d00ffffL);
        dumpedPrivateKeyHeader = 128;
        addressHeader = 0;
        p2shHeader = 5;
        segwitAddressHrp = "bc";
        port = 8333;
        packetMagic = 0xf9beb4d9L;
        bip32HeaderP2PKHpub = 0x0488b21e; // The 4 byte header that serializes in base58 to "xpub".
        bip32HeaderP2PKHpriv = 0x0488ade4; // The 4 byte header that serializes in base58 to "xprv"
        bip32HeaderP2WPKHpub = 0x04b24746; // The 4 byte header that serializes in base58 to "zpub".
        bip32HeaderP2WPKHpriv = 0x04b2430c; // The 4 byte header that serializes in base58 to "zprv"

        majorityEnforceBlockUpgrade = MAINNET_MAJORITY_ENFORCE_BLOCK_UPGRADE;
        majorityRejectBlockOutdated = MAINNET_MAJORITY_REJECT_BLOCK_OUTDATED;
        majorityWindow = MAINNET_MAJORITY_WINDOW;

        id = ID_MAINNET;
        subsidyDecreaseBlockCount = 210000;
        spendableCoinbaseDepth = 100;
    }

    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;
    }
}