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71f9d5c0f0
PaymentTransaction now uses Account for recipient internally but maybe should extend that type change to constructor args. GenesisBlock added also with signature test. More javadocs.
330 lines
16 KiB
Java
330 lines
16 KiB
Java
package qora.block;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.math.BigDecimal;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import com.google.common.primitives.Bytes;
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import com.google.common.primitives.Longs;
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import qora.account.GenesisAccount;
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import qora.account.PrivateKeyAccount;
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import qora.account.PublicKeyAccount;
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import qora.crypto.Crypto;
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import qora.transaction.GenesisTransaction;
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import qora.transaction.Transaction;
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public class GenesisBlock extends Block {
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private static GenesisBlock instance;
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private static final int GENESIS_BLOCK_VERSION = 1;
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private static final byte[] GENESIS_REFERENCE = new byte[] { 1, 1, 1, 1, 1, 1, 1, 1 }; // NOTE: Neither 64 nor 128 bytes!
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private static final BigDecimal GENESIS_GENERATION_TARGET = BigDecimal.valueOf(10_000_000L).setScale(8);
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private static final GenesisAccount GENESIS_GENERATOR = new GenesisAccount();
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private static final long GENESIS_TIMESTAMP = 1400247274336L; // QORA RELEASE: Fri May 16 13:34:34.336 2014 UTC
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private static final byte[] GENESIS_GENERATION_SIGNATURE = calcSignature();
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private static final byte[] GENESIS_TRANSACTIONS_SIGNATURE = calcSignature();
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// Constructors
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protected GenesisBlock() {
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super(GENESIS_BLOCK_VERSION, GENESIS_REFERENCE, GENESIS_TIMESTAMP, GENESIS_GENERATION_TARGET, GENESIS_GENERATOR, GENESIS_GENERATION_SIGNATURE, null, null);
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this.height = 1;
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this.transactions = new ArrayList<Transaction>();
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// Genesis transactions
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addGenesisTransaction("QUD9y7NZqTtNwvSAUfewd7zKUGoVivVnTW", "7032468.191");
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addGenesisTransaction("QVafvKkE5bZTkq8PcXvdaxwuLNN2DGCwYk", "1716146.084");
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addGenesisTransaction("QV42QQP7frYWqsVq536g7zSk97fUpf2ZSN", "5241707.06");
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addGenesisTransaction("QgkLTm5GkepJpgr53nAgUyYRsvmyHpb2zT", "854964.0816");
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addGenesisTransaction("Qc8kN338XQULMBuUa6mTqL5tipvELDhzeZ", "769467.6734");
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addGenesisTransaction("QQ81BA75jZcpjQBLZE1qcHrXV8ARC1DEec", "85496408.16");
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addGenesisTransaction("QeoSe4DscWX4AFkNBCdm4WS1V7QkUFSQLP", "854968.3564");
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addGenesisTransaction("Qdfu3Eh21ZVHNDY1xyNaFqTTEYscSmfSsm", "85496408.16");
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addGenesisTransaction("QeDSr4abXKRg9j5hTN3TK9UGuH3umThZ42", "4445813.224");
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addGenesisTransaction("QQKDuo1txYB9E2xim79YVR6SQ1ZbJtJtFX", "47023024.49");
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addGenesisTransaction("QLeaeGr4CDA95FmeMtFh8okJRMLoq8Cge5", "170992816.3");
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addGenesisTransaction("QSwN5oa8ZHWJmc6FeAJ8Xr1SHaEuSahw1J", "3419856.326");
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addGenesisTransaction("QWnoGd4a7iXqQmNEpUtCb1x7nWgcya8QbE", "17056533.43");
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addGenesisTransaction("QbJqhsJjcy3vkzsJ1kHvgn26pQF3sZEypc", "42705455.87");
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addGenesisTransaction("QiBhBcseKzaDnHKyqEJs8z1Xx2rSb9XhBr", "141069073.5");
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addGenesisTransaction("QTwYwxBhzivFEWY5yfzyz1pqhJ8XCroKwv", "85496408.16");
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addGenesisTransaction("QfikxUU15Dy1oxbcDNEcLeU5cHvbrceq3A", "17099281.63");
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addGenesisTransaction("QhdqBmKZeQ3Hg1XUuR5nKtAkw47tuoRi2q", "12824461.22");
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addGenesisTransaction("QaVNyTqsTHA6JWMcqntcJf1u9c3qid76xH", "128244612.2");
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addGenesisTransaction("QYaDa7bmgo5L9qkcfJKjhPPrQkvGjEoc7y", "85496408.16");
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addGenesisTransaction("QQPddvWaYf4pbCyVHEVoyfC72EiaAv4JhT", "25648922.45");
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addGenesisTransaction("QSQpTNtTZMwaDuNq56Jz73KHWXaey9JrT1", "26341443.35");
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addGenesisTransaction("QVjcFWE6TnGePGJEtbNc1thwD2sgHBLvUV", "42940528.25");
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addGenesisTransaction("Qga93mWNqTuJYx6o33vjUpFH7Cn4sxLyoG", "2564892.245");
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addGenesisTransaction("QXyHKyQPJnb4ejyTkvS26x9sjWnhTTJ1Uc", "10259568.98");
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addGenesisTransaction("QLurSSgJvW7WXHDFSobgfakgqXxjoZzwUH", "85496408.16");
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addGenesisTransaction("QadxfiARcsmwzE93wqq82yXFi3ykM2qdtS", "79118376.11");
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addGenesisTransaction("QRHhhtz3Cv9RPKB1QBBfkRmRfpXx8vkRa5", "22435418.54");
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addGenesisTransaction("Qh8UnEs55n8jcnBaBwVtrTGkFFFBDyrMqH", "128757590.7");
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addGenesisTransaction("QhF7Fu3f54CTYA7zBQ223NQEssi2yAbAcx", "258481290.8");
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addGenesisTransaction("QPk9VB6tigoifrUYQrw4arBNk7i8HEgsDD", "128244612.2");
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addGenesisTransaction("QXWJnEPsdtaLQAEutJFR4ySiMUJCWDzZJX", "85496408.16");
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addGenesisTransaction("QVFs42gM4Cixf4Y5vDFvKKxRAamUPMCAVq", "85496408.16");
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addGenesisTransaction("Qec5ueWc4rcBrty47GZfFSqvLymxvcycFm", "129091026.7");
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addGenesisTransaction("QfYiztbDz1Nb9EMhgHidLycvuPN8HEcHEj", "128244612.2");
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addGenesisTransaction("QPdWsZtaZcAKqk2HWVhEVbws4qG5KUTXmg", "179285967.9");
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addGenesisTransaction("QVkNs5NcwQpsrCXpWzuMXkMehJr5mkvLVy", "8558190.456");
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addGenesisTransaction("Qg19DzyEfyZANx6JLy4GrSGF5LuZ2MLqyZ", "42748204.08");
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addGenesisTransaction("Qf3A8L5WJNHt1xZxmayrTp2d5owzdkcxM6", "50519827.58");
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addGenesisTransaction("QeKR4W6qkFJGF7Hmu7rSUzTSQiqJzZLXdt", "10216820.77");
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addGenesisTransaction("QWg7T5i3uBY3xeBLFTLYYruR15Ln11vwo4", "170992816.3");
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addGenesisTransaction("QUYdM5fHECPZxKQQAmoxoQa2aWg8TZYfPw", "85496408.16");
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addGenesisTransaction("QjhfEZCgrjUbnLRnWqWxzyYqKQpjjxkuA8", "86665653.61");
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addGenesisTransaction("QMA53u3wrzDoxC57CWUJePNdR8FoqinqUS", "85496408.16");
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addGenesisTransaction("QSuCp6mB5zNNeJKD62aq2hR9h84ks1WhHf", "161588211.4");
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addGenesisTransaction("QS2tCUk7GQefg4zGewwrumxSPmN6fgA7Xc", "170992816.3");
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addGenesisTransaction("Qcn6FZRxAgp3japtvjgUkBY6KPfbPZMZtM", "170992816.3");
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addGenesisTransaction("QZrmXZkRmjV2GwMt72Rr1ZqHJjv8raDk5J", "17099281.63");
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addGenesisTransaction("QeZzwGDfAHa132jb6r4rQHbgJstLuT8QJ3", "255875360.3");
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addGenesisTransaction("Qj3L139sMMuFvvjKQDwRnoSgKUnoMhDQs5", "76946767.34");
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addGenesisTransaction("QWJvpvbFRZHu7LRbY5MjzvrMBgzJNFYjCX", "178251461.4");
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addGenesisTransaction("QRyECqW54ywKVt4kZTEXyRY17aaFUaxzc4", "8772355.539");
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addGenesisTransaction("QgpH3K3ArkQTg15xjKqGq3BRgE3aNH9Q2P", "46766535.26");
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addGenesisTransaction("QVZ6pxi8e3K3S44zLbnrLSLwSoYT8CWbwV", "233172022.2");
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addGenesisTransaction("QNbA69dbnmwqJHLQeS9v63hSLZXXGkmtC6", "46626632.05");
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addGenesisTransaction("QgzudSKbcLUeQUhFngotVswDSkbU42dSMr", "83786479.99");
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addGenesisTransaction("QfkQ2UzKMBGPwj8Sm31SArjtXoka1ubU3i", "116345066.7");
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addGenesisTransaction("QgxHHNwawZeTmQ3i5d9enchi4T9VmzNZ5k", "155448014.8");
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addGenesisTransaction("QMNugJWNsLuV4Qmbzdf8r8RMEdXk5PNM69", "155448014.8");
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addGenesisTransaction("QVhWuJkCjStNMV4U8PtNM9Qz4PvLAEtVSj", "101041209.6");
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addGenesisTransaction("QXjNcckFG9gTr9YbiA3RrRhn3mPJ9zyR4G", "3108960.297");
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addGenesisTransaction("QThnuBadmExtxk81vhFKimSzbPaPcuPAdm", "155448014.8");
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addGenesisTransaction("QRc6sQthLHjfkmm2BUhu74g33XtkDoB7JP", "77773983.95");
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addGenesisTransaction("QcDLhirHkSbR4TLYeShLzHw61B8UGTFusk", "23317202.22");
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addGenesisTransaction("QXRnsXE6srHEf2abGh4eogs2mRsmNiuw6V", "5440680.519");
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addGenesisTransaction("QRJmEswbDw4x1kwsLyxtMS9533fv5cDvQV", "3886200.371");
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addGenesisTransaction("Qg43mCzWmFVwhVfx34g6shXnSU7U7amJNx", "6217920.593");
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addGenesisTransaction("QQ9PveFTW64yUcXEE6AxhokWCwhmn8F2TD", "8549640.816");
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addGenesisTransaction("QQaxJuTkW5XXn4DhhRekXpdXaWcsxEfCNG", "3886200.371");
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addGenesisTransaction("QifWFqW8XWL5mcNxtdr5z1LVC7XUu9tNSK", "3116732.697");
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addGenesisTransaction("QavhBKRN4vuyzHNNqcWxjcohRAJNTdTmh4", "154670774.8");
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addGenesisTransaction("QMQyR3Hybof8WpQsXPxh19AZFCj4Z4mmke", "77724007.42");
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addGenesisTransaction("QbT3GGjp1esTXtowVk2XCtBsKoRB8mkP61", "77724007.42");
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addGenesisTransaction("QT13tVMZEtbrgJEsBBcTtnyqGveC7mtqAb", "23317202.22");
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addGenesisTransaction("QegT2Ws5YjLQzEZ9YMzWsAZMBE8cAygHZN", "12606834");
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addGenesisTransaction("QXoKRBJiJGKwvdA3jkmoUhkM7y6vuMp2pn", "65117173.41");
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addGenesisTransaction("QY6SpdBzUev9ziqkmyaxESZSbdKwqGdedn", "89382608.53");
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addGenesisTransaction("QeMxyt1nEE7tbFbioc87xhiKb4szx5DsjY", "15544801.48");
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addGenesisTransaction("QcTp3THGZvJ42f2mWsQrawGvgBoSHgHZyk", "39639243.78");
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addGenesisTransaction("QjSH91mTDN6TeV1naAcfwPhmRogufV4n1u", "23317202.22");
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addGenesisTransaction("QiFLELeLm2TFWsnknzje51wMdt3Srkjz8g", "1554480.148");
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addGenesisTransaction("QhxtJ3vvhsvVU9x2j5n2R3TXzutfLMUvBR", "23317202.22");
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addGenesisTransaction("QUtUSNQfqexZZkaZ2s9LcpqjnTezPTnuAx", "15544801.48");
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addGenesisTransaction("Qg6sPLxNMYxjEDGLLaFkkWx6ip3py5fLEt", "777240.0742");
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addGenesisTransaction("QeLixskYbdkiAHmhBVMa2Pdi85YPFqw3Ed", "38862003.71");
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addGenesisTransaction("Qary17o9qvZ2fifiVC8tF5zoBJm79n18zA", "3893972.772");
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addGenesisTransaction("QLvCWDGwzwpR29XgiThMGDX2vxyFW5rFHB", "8790585.239");
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addGenesisTransaction("Qgc77fSoAoUSVJfq62GxxTin6dBtU7Y6Hb", "194310018.5");
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addGenesisTransaction("QPmPKjwPLCuRei6abuhMtMocxAEeSuLVcv", "23317202.22");
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addGenesisTransaction("QcGfZePUN7JHs9WEEkJhXGzALy4JybiS3N", "194224522.1");
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addGenesisTransaction("QSeXGwk7eQjR8j7bndJST19qWtM2qnqL1u", "38862003.71");
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addGenesisTransaction("QU9i68h71nKTg4gwc5yJHzNRQdQEswP7Kn", "139592317.3");
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addGenesisTransaction("QdKrZGCkwXSSeXJhVA1idDXsA4VFtrjPHN", "15544801.48");
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addGenesisTransaction("QiYJ2B797xFpWYFu4XWivhGhyPXLU7S5Mr", "77724007.42");
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addGenesisTransaction("QWxqtsNXUWSjYns2wdngh4WBSWQzLoQHvx", "232613963.9");
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addGenesisTransaction("QTAGfu4FpTZ1bnvnd17YPtB3zabxfWKNeM", "101041209.6");
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addGenesisTransaction("QPtRxchgRdwdnoZRwhiAoa77AvVPNSRcQk", "114254290.9");
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addGenesisTransaction("QMcfoVc9Jat2pMFLHcuPEPnY6p6uBK6Dk7", "77724007.42");
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addGenesisTransaction("Qi84KosdwSWHZX3qz4WcMgqYGutBmj14dd", "15544801.48");
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addGenesisTransaction("QjAtcHsgig2tvdGr5tR4oGmRarhuojrAK1", "2883560.675");
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addGenesisTransaction("QPJPNLP2NMHu5athB7ydezdTA6zviCV378", "6373368.608");
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addGenesisTransaction("QfVLpmLbuUnA1JEe9FmeUAzihoBvqYDp8B", "15544801.48");
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addGenesisTransaction("QVVFdy6VLFqAFCb6XSBJLLZybiKgfgDDZV", "10725913.02");
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addGenesisTransaction("QVFXyeG1xpAR8Xg3u7oAmW8unueGAfeaKi", "31221733.78");
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addGenesisTransaction("QdtQtrM1h3TLtwAGCNyoTrW5HyiPRLhrPq", "138426457.2");
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addGenesisTransaction("QMukUMr84Mi2niz6rdhEJMkKJBve7uuRfe", "116586011.1");
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addGenesisTransaction("QZR8c7dmfwqGPujebFH1miQToJZ4JQfU1X", "217938116.8");
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addGenesisTransaction("QVV5Uu8eCxufTrBtquDKA96d7Kk8S4V7yX", "40091961.25");
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addGenesisTransaction("QY9YdgfTEUFvQ2UJszGS63qkwdENkW1PQ5", "154670774.8");
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addGenesisTransaction("QNgiswyhVyNJG4UMzvoSf29wDvGZqqs7WG", "11658601.11");
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addGenesisTransaction("QabjgFiY34oihNkUcy9hpFjQdCaypCShMe", "54406805.19");
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addGenesisTransaction("QionidPRekdshCTRL3c7idWWRAqGYcKaFN", "7772400.742");
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addGenesisTransaction("QcJdBJiVgiNBNg6ZwZAiEfYDMi5ZTQaYAa", "81386689.86");
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addGenesisTransaction("QNc8XMpPwM1HESwB7kqw8HoQ5sK2miZ2un", "190423818.2");
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addGenesisTransaction("QUP1SeaNw7CvCnmDp5ai3onWYwThS4GEpu", "3886200.371");
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addGenesisTransaction("QinToqEztNN1TsLdQEuzTHh7vUrEo6JTU2", "102440241.8");
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addGenesisTransaction("QcLJYLV4RD4GmPcoNnh7dQrWeYgiiPiqFQ", "32644083.11");
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addGenesisTransaction("QdYdYGYfgmMX4jQNWMZqLr81R3HdnuiKkv", "76169527.27");
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addGenesisTransaction("Qi62mUW5zfJhgRL8FRmCpjSCCnSKtf76S6", "76169527.27");
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addGenesisTransaction("QgFkxqQGkLW6CD95N2zTnT1PPqb9nxWp6b", "76169527.27");
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addGenesisTransaction("QfNUBudYsrrq27YqiHGLUg6BtG52W1W1ci", "15544801.48");
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addGenesisTransaction("QPSFoexnGoMH7EPdg72dM7SvqA7d4M2cu7", "37307523.56");
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addGenesisTransaction("QQxt5WMvoJ2TNScAzcoxHXPnLTeQ43nQ7N", "21995894.1");
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addGenesisTransaction("QicpACxck2oDYpzP8iWRQYD4oirCtvjok9", "93268808.9");
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addGenesisTransaction("QVTJkdQkTGgqEED9kAsp4BZbYNJqWfhgGw", "153909079.5");
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addGenesisTransaction("QQL5vCkhpXnP9F4wqNiBQsNaCocmRcDSUY", "15512934.64");
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addGenesisTransaction("QSvEex3p2LaZCVBaCyL8MpYsEpHLwed17r", "155448014.8");
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addGenesisTransaction("Qb3Xv96GucQpBG8n96QVFgcs2xXsEWW4CE", "38862003.71");
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addGenesisTransaction("QdRua9MqXufALpQFDeYiQDYk3EBGdwGXSx", "230303229.1");
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addGenesisTransaction("Qh16Umei91JqiHEVWV8AC6ED9aBqbDYuph", "231073474");
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addGenesisTransaction("QMu6HXfZCnwaNmyFjjhWTYAUW7k1x7PoVr", "231073474");
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addGenesisTransaction("QgcphUTiVHHfHg8e1LVgg5jujVES7ZDUTr", "115031531");
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addGenesisTransaction("QbQk9s4j4EAxAguBhmqA8mdtTct3qGnsrx", "138348733.2");
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addGenesisTransaction("QT79PhvBwE6vFzfZ4oh5wdKVsEazZuVJFy", "6360421.343");
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this.transactionsSignature = GENESIS_TRANSACTIONS_SIGNATURE;
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}
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/**
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* Return cached GenesisBlock to save constructing one from scratch.
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*
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* @return GenesisBlock
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*/
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public static GenesisBlock getInstance() {
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if (instance == null)
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instance = new GenesisBlock();
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return instance;
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}
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// Getters/setters
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// More information
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public static boolean isGenesisBlock(Block block) {
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if (block.height != 1)
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return false;
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// Validate block signature
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if (!Arrays.equals(GENESIS_GENERATION_SIGNATURE, block.generationSignature))
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return false;
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// Validate transactions signature
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if (!Arrays.equals(GENESIS_TRANSACTIONS_SIGNATURE, block.transactionsSignature))
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return false;
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return true;
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}
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// Load/Save
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protected GenesisBlock(Connection connection, byte[] signature) throws SQLException {
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super(connection, signature);
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}
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protected GenesisBlock(ResultSet rs) throws SQLException {
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super(rs);
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}
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// Navigation
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/**
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* Refuse to load parent of GenesisBlock from DB!
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* <p>
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* As the genesis block is the first block, this always returns null.
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*
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* @param connection
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* @return null
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* @throws SQLException
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*/
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@Override
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public Block getParent(Connection connection) throws SQLException {
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return null;
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}
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// Converters
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// Processing
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@Override
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public boolean addTransaction(Transaction transaction) {
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// The genesis block has a fixed set of transactions so always refuse.
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return false;
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}
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private void addGenesisTransaction(String recipient, String amount) {
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this.transactions.add(new GenesisTransaction(recipient, new BigDecimal(amount).setScale(8), this.timestamp));
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}
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/**
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* Refuse to calculate genesis block signature!
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* <p>
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* This is not possible as there is no private key for the genesis account and so no way to sign data.
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* <p>
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* <b>Always throws IllegalStateException.</b>
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*
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* @throws IllegalStateException
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*/
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@Override
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public byte[] calcSignature(PrivateKeyAccount signer) {
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throw new IllegalStateException("There is no private key for genesis transactions");
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}
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/**
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* Generate genesis block generation/transactions signature.
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* <p>
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* This is handled differently as there is no private key for the genesis account and so no way to sign data.
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* <p>
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* Instead we return the SHA-256 digest of the block, duplicated so that the returned byte[] is the same length as normal block signatures.
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*
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* @return byte[]
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*/
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private static byte[] calcSignature() {
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byte[] digest = Crypto.digest(getBytesForSignature());
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return Bytes.concat(digest, digest);
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}
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private static byte[] getBytesForSignature() {
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try {
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ByteArrayOutputStream bytes = new ByteArrayOutputStream(VERSION_LENGTH + REFERENCE_LENGTH + GENERATION_TARGET_LENGTH + GENERATOR_LENGTH);
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/*
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* NOTE: Historic code had genesis block using Longs.toByteArray() compared to standard block's Ints.toByteArray. The subsequent
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* Bytes.ensureCapacity(versionBytes, 0, 4) did not truncate versionBytes back to 4 bytes either. This means 8 bytes were used even though
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* VERSION_LENGTH is set to 4. Correcting this historic bug will break genesis block signatures!
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*/
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bytes.write(Longs.toByteArray(GENESIS_BLOCK_VERSION));
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/*
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* NOTE: Historic code had the reference expanded to only 64 bytes whereas standard block references are 128 bytes. Correcting this historic bug
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* will break genesis block signatures!
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*/
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bytes.write(Bytes.ensureCapacity(GENESIS_REFERENCE, 64, 0));
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bytes.write(Longs.toByteArray(GENESIS_GENERATION_TARGET.longValue()));
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bytes.write(GENESIS_GENERATOR.getPublicKey());
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return bytes.toByteArray();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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@Override
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public boolean isSignatureValid(PublicKeyAccount signer) {
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// Validate block signature
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if (!Arrays.equals(GENESIS_GENERATION_SIGNATURE, this.generationSignature))
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return false;
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// Validate transactions signature
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if (!Arrays.equals(GENESIS_TRANSACTIONS_SIGNATURE, this.transactionsSignature))
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return false;
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return true;
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}
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@Override
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public boolean isValid(Connection connection) throws SQLException {
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// Check there is no other block in DB
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if (BlockChain.getMaxHeight(connection) != 0)
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return false;
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// Validate transactions
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for (Transaction transaction : this.getTransactions())
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if (transaction.isValid(connection) != Transaction.ValidationResult.OK)
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return false;
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return true;
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}
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}
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