using System;
using System.Collections.Generic;
using System.Text;
using NBitcoin.BouncyCastle.Math;
using NBitcoin.DataEncoders;
using NBitcoin.Protocol;

namespace NBitcoin.Networks
{
    public class DeStreamMain : Network
    {

        public DeStreamMain()
        {

            var messageStart = new byte[4];
            messageStart[0] = 0x70;
            messageStart[1] = 0x35;
            messageStart[2] = 0x22;
            messageStart[3] = 0x05;
            var magic = BitConverter.ToUInt32(messageStart, 0);

            this.Name = "DeStreamMain";
            this.RootFolderName = DeStreamRootFolderName;
            this.DefaultConfigFilename = DeStreamDefaultConfigFilename;
            this.Magic = magic;
            this.DefaultPort = 0xDE01; // 56833,
            this.RPCPort = 0xDE00; // 56832,
            this.MinTxFee = 10000;
            this.FallbackFee = 60000;
            this.MinRelayTxFee = 10000;
            this.MaxTimeOffsetSeconds = StratisMaxTimeOffsetSeconds;
            this.MaxTipAge = StratisDefaultMaxTipAgeInSeconds;

            this.Consensus.SubsidyHalvingInterval = 210000;
            this.Consensus.MajorityEnforceBlockUpgrade = 750;
            this.Consensus.MajorityRejectBlockOutdated = 950;
            this.Consensus.MajorityWindow = 1000;
            this.Consensus.BuriedDeployments[BuriedDeployments.BIP34] = 0;
            this.Consensus.BuriedDeployments[BuriedDeployments.BIP65] = 0;
            this.Consensus.BuriedDeployments[BuriedDeployments.BIP66] = 0;
            this.Consensus.BIP34Hash = new uint256("0x000000000000024b89b42a942fe0d9fea3bb44ab7bd1b19115dd6a759c0808b8");
            this.Consensus.PowLimit = new Target(new uint256("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
            this.Consensus.PowTargetTimespan = TimeSpan.FromSeconds(14 * 24 * 60 * 60); // two weeks
            this.Consensus.PowTargetSpacing = TimeSpan.FromSeconds(10 * 60);
            this.Consensus.PowAllowMinDifficultyBlocks = false;
            this.Consensus.PowNoRetargeting = false;
            this.Consensus.RuleChangeActivationThreshold = 1916; // 95% of 2016
            this.Consensus.MinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing
            this.Consensus.LastPOWBlock = 12500;
            this.Consensus.IsProofOfStake = true;
            this.Consensus.ConsensusFactory = new PosConsensusFactory() { Consensus = this.Consensus };
            this.Consensus.ProofOfStakeLimit = new BigInteger(uint256.Parse("00000fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").ToBytes(false));
            this.Consensus.ProofOfStakeLimitV2 = new BigInteger(uint256.Parse("000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffff").ToBytes(false));
            this.Consensus.CoinType = 105;
            this.Consensus.DefaultAssumeValid = new uint256("0x55a8205ae4bbf18f4d238c43f43005bd66e0b1f679b39e2c5c62cf6903693a5e"); // 795970

            this.Genesis = CreateStratisGenesisBlock(this.Consensus.ConsensusFactory, 1470467000, 1831645, 0x1e0fffff, 1, Money.Zero);
            this.Consensus.HashGenesisBlock = this.Genesis.GetHash();
            Assert(this.Consensus.HashGenesisBlock == uint256.Parse("0x0000066e91e46e5a264d42c89e1204963b2ee6be230b443e9159020539d972af"));
            Assert(this.Genesis.Header.HashMerkleRoot == uint256.Parse("0x65a26bc20b0351aebf05829daefa8f7db2f800623439f3c114257c91447f1518"));

            this.Checkpoints = new Dictionary<int, CheckpointInfo>
            {
                { 0, new CheckpointInfo(new uint256("0x0000066e91e46e5a264d42c89e1204963b2ee6be230b443e9159020539d972af"), new uint256("0x0000000000000000000000000000000000000000000000000000000000000000")) },
                { 2, new CheckpointInfo(new uint256("0xbca5936f638181e74a5f1e9999c95b0ce77da48c2688399e72bcc53a00c61eff"), new uint256("0x7d61c139a471821caa6b7635a4636e90afcfe5e195040aecbc1ad7d24924db1e")) }, // Premine
                { 50, new CheckpointInfo(new uint256("0x0353b43f4ce80bf24578e7c0141d90d7962fb3a4b4b4e5a17925ca95e943b816"), new uint256("0x7c2af3b10d13f9d2bc6063baaf7f0860d90d870c994378144f9bf85d0d555061")) },
                { 100, new CheckpointInfo(new uint256("0x688468a8aa48cd1c2197e42e7d8acd42760b7e2ac4bcab9d18ac149a673e16f6"), new uint256("0xcf2b1e9e76aaa3d96f255783eb2d907bf6ccb9c1deeb3617149278f0e4a1ab1b")) },
                { 150, new CheckpointInfo(new uint256("0xe4ae9663519abec15e28f68bdb2cb89a739aee22f53d1573048d69141db6ee5d"), new uint256("0xa6c17173e958dc716cc0892ce33dad8bc327963d78a16c436264ceae43d584ce")) },
                { 127500, new CheckpointInfo(new uint256("0x4773ca7512489df22de03aa03938412fab5b46154b05df004b97bcbeaa184078"), new uint256("0x619743c02ebaff06b90fcc5c60c52dba8aa3fdb6ba3800aae697cbb3c5483f17")) },
                { 128943, new CheckpointInfo(new uint256("0x36bcaa27a53d3adf22b2064150a297adb02ac39c24263a5ceb73856832d49679"), new uint256("0xa3a6fd04e41fcaae411a3990aaabcf5e086d2d06c72c849182b27b4de8c2c42a")) },
                { 136601, new CheckpointInfo(new uint256("0xf5c5210c55ff1ef9c04715420a82728e1647f3473e31dc478b3745a97b4a6d10"), new uint256("0x42058fabe21f7b118a9e358eaf9ef574dadefd024244899e71f2f6d618161e16")) }, // Hardfork to V2 - Drifting Bug Fix
                { 170000, new CheckpointInfo(new uint256("0x22b10952e0cf7e85bfc81c38f1490708f195bff34d2951d193cc20e9ca1fc9d5"), new uint256("0xa4942a6c99cba397cf2b18e4b912930fe1e64a7413c3d97c5a926c2af9073091")) },
                { 200000, new CheckpointInfo(new uint256("0x2391dd493be5d0ff0ef57c3b08c73eefeecc2701b80f983054bb262f7a146989"), new uint256("0x253152d129e82c30c584197deb6833502eff3ec2f30014008f75842d7bb48453")) },
                { 250000, new CheckpointInfo(new uint256("0x681c70fab7c1527246138f0cf937f0eb013838b929fbe9a831af02a60fc4bf55"), new uint256("0x24eed95e00c90618aa9d137d2ee273267285c444c9cde62a25a3e880c98a3685")) },
                { 300000, new CheckpointInfo(new uint256("0xd10ca8c2f065a49ae566c7c9d7a2030f4b8b7f71e4c6fc6b2a02509f94cdcd44"), new uint256("0x39c4dd765b49652935524248b4de4ccb604df086d0723bcd81faf5d1c2489304")) },
                { 350000, new CheckpointInfo(new uint256("0xe2b76d1a068c4342f91db7b89b66e0f2146d3a4706c21f3a262737bb7339253a"), new uint256("0xd1dd94985eaaa028c893687a7ddf89143dcf0176918f958c2d01f33d64910399")) },
                { 390000, new CheckpointInfo(new uint256("0x4682737abc2a3257fdf4c3c119deb09cbac75981969e2ffa998b4f76b7c657bb"), new uint256("0xd84b204ee94499ff65262328a428851fb4f4d2741e928cdd088fdf1deb5413b8")) },
                { 394000, new CheckpointInfo(new uint256("0x42857fa2bc15d45cdcaae83411f755b95985da1cb464ee23f6d40936df523e9f"), new uint256("0x2314b336906a2ed2a39cbdf6fc0622530709c62dbb3a3729de17154fc9d1a7c4")) },
                { 528000, new CheckpointInfo(new uint256("0x7aff2c48b398446595d01e27b5cd898087cec63f94ff73f9ad695c6c9bcee33a"), new uint256("0x3bdc865661390c7681b078e52ed3ad3c53ec7cff97b8c45b74abed3ace289fcc")) },
                { 576000, new CheckpointInfo(new uint256("0xe705476b940e332098d1d5b475d7977312ff8c08cbc8256ce46a3e2c6d5408b8"), new uint256("0x10e31bb5e245ea19650280cfd3ac1a76259fa0002d02e861d2ab5df290534b56")) },
            };

            this.Base58Prefixes[(int)Base58Type.PUBKEY_ADDRESS] = new byte[] { (63) };
            this.Base58Prefixes[(int)Base58Type.SCRIPT_ADDRESS] = new byte[] { (125) };
            this.Base58Prefixes[(int)Base58Type.SECRET_KEY] = new byte[] { (63 + 128) };
            this.Base58Prefixes[(int)Base58Type.ENCRYPTED_SECRET_KEY_NO_EC] = new byte[] { 0x01, 0x42 };
            this.Base58Prefixes[(int)Base58Type.ENCRYPTED_SECRET_KEY_EC] = new byte[] { 0x01, 0x43 };
            this.Base58Prefixes[(int)Base58Type.EXT_PUBLIC_KEY] = new byte[] { (0x04), (0x88), (0xB2), (0x1E) };
            this.Base58Prefixes[(int)Base58Type.EXT_SECRET_KEY] = new byte[] { (0x04), (0x88), (0xAD), (0xE4) };
            this.Base58Prefixes[(int)Base58Type.PASSPHRASE_CODE] = new byte[] { 0x2C, 0xE9, 0xB3, 0xE1, 0xFF, 0x39, 0xE2 };
            this.Base58Prefixes[(int)Base58Type.CONFIRMATION_CODE] = new byte[] { 0x64, 0x3B, 0xF6, 0xA8, 0x9A };
            this.Base58Prefixes[(int)Base58Type.STEALTH_ADDRESS] = new byte[] { 0x2a };
            this.Base58Prefixes[(int)Base58Type.ASSET_ID] = new byte[] { 23 };
            this.Base58Prefixes[(int)Base58Type.COLORED_ADDRESS] = new byte[] { 0x13 };

            var encoder = new Bech32Encoder("bc");
            this.Bech32Encoders[(int)Bech32Type.WITNESS_PUBKEY_ADDRESS] = encoder;
            this.Bech32Encoders[(int)Bech32Type.WITNESS_SCRIPT_ADDRESS] = encoder;

            this.DNSSeeds.AddRange(new[]
            {
                new DNSSeedData("node1.destream.io", "node1.destream.io"),
                new DNSSeedData("node2.destream.io", "node2.destream.io")
            });

            var seeds = new[] { "95.128.181.103", "95.128.181.80" };
            // Convert the seeds array into usable address objects.
            Random rand = new Random();
            TimeSpan oneWeek = TimeSpan.FromDays(7);
            foreach (string seed in seeds)
            {
                // It'll only connect to one or two seed nodes because once it connects,
                // it'll get a pile of addresses with newer timestamps.
                // Seed nodes are given a random 'last seen time' of between one and two weeks ago.
                NetworkAddress addr = new NetworkAddress
                {
                    Time = DateTime.UtcNow - (TimeSpan.FromSeconds(rand.NextDouble() * oneWeek.TotalSeconds)) - oneWeek,
                    Endpoint = Utils.ParseIpEndpoint(seed, this.DefaultPort)
                };

                this.SeedNodes.Add(addr);
            }
        }
    }
}
