diff --git a/ethereumj-core/src/main/java/org/ethereum/core/Block.java b/ethereumj-core/src/main/java/org/ethereum/core/Block.java index c83b67c4..19d50480 100644 --- a/ethereumj-core/src/main/java/org/ethereum/core/Block.java +++ b/ethereumj-core/src/main/java/org/ethereum/core/Block.java @@ -7,7 +7,10 @@ import org.ethereum.util.ByteUtil; import org.ethereum.util.RLP; import org.ethereum.util.RLPElement; import org.ethereum.util.RLPList; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; import org.spongycastle.util.BigIntegers; +import org.spongycastle.util.encoders.Hex; import java.math.BigInteger; import java.util.ArrayList; @@ -29,6 +32,8 @@ import java.util.List; */ public class Block { + private static Logger logger = LoggerFactory.getLogger(Block.class); + /* A scalar value equal to the mininum limit of gas expenditure per block */ private static long MIN_GAS_LIMIT = BigInteger.valueOf(10).pow(4).longValue(); @@ -51,6 +56,7 @@ public class Block { /* Constructors */ public Block(byte[] rawData) { + logger.debug("RLP encoded [ " + Hex.toHexString(rawData) + " ]"); this.rlpEncoded = rawData; this.parsed = false; } @@ -98,7 +104,7 @@ public class Block { } public Block getParent() { - // TODO: Implement + // TODO retrieve Parent from chain return null; } @@ -148,7 +154,7 @@ public class Block { } public boolean isGenesis() { - return this.header.getNumber() == 0; + return this.getNumber() == 0; } public long getGasLimit() { @@ -332,8 +338,8 @@ public class Block { return Genesis.DIFFICULTY; else { Block parent = this.getParent(); - long parentDifficulty = new BigInteger(1, parent.header.getDifficulty()).longValue(); - long newDifficulty = this.header.getTimestamp() >= parent.header.getTimestamp() + 42 ? parentDifficulty - (parentDifficulty >> 10) : (parentDifficulty + (parentDifficulty >> 10)); + long parentDifficulty = new BigInteger(1, parent.getDifficulty()).longValue(); + long newDifficulty = this.header.getTimestamp() >= parent.getTimestamp() + 42 ? parentDifficulty - (parentDifficulty >> 10) : (parentDifficulty + (parentDifficulty >> 10)); return BigIntegers.asUnsignedByteArray(BigInteger.valueOf(newDifficulty)); } } diff --git a/ethereumj-core/src/test/java/org/ethereum/core/BlockTest.java b/ethereumj-core/src/test/java/org/ethereum/core/BlockTest.java index 21158254..b0863d90 100644 --- a/ethereumj-core/src/test/java/org/ethereum/core/BlockTest.java +++ b/ethereumj-core/src/test/java/org/ethereum/core/BlockTest.java @@ -2,13 +2,10 @@ package org.ethereum.core; import java.math.BigInteger; -import org.ethereum.net.message.BlocksMessage; import org.ethereum.net.message.StaticMessages; -import org.ethereum.util.RLPList; import org.spongycastle.util.encoders.Hex; import org.ethereum.core.Block; import org.ethereum.core.Genesis; -import org.ethereum.util.RLP; import org.junit.Test; import static org.junit.Assert.*; @@ -19,6 +16,91 @@ public class BlockTest { private String CPP_PoC5_GENESIS_HEX_RLP_ENCODED = "f8abf8a7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347940000000000000000000000000000000000000000a023b503734ff34ddb7bd5e478f1645680ec778ab3f90007cb1c854653693e5adc80834000008080830f4240808080a004994f67dc55b09e814ab7ffc8df3686b4afb2bb53e60eae97ef043fe03fb829c0c0"; private String CPP_PoC5_GENESIS_HEX_HASH = Hex.toHexString(StaticMessages.GENESIS_HASH); + String block_1 = "f9072df8d3a077ef4fdaf389dca53236bcf7f72698e154eab2828f86fbc4fc6c" + + "d9225d285c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0" + + "a142fd40d493479476f5eabe4b342ee56b8ceba6ab2a770c3e2198e7a0faa0ca" + + "43105f667dceb168eb4e0cdc98ef28a9da5c381edef70d843207601719a06785" + + "f3860460b2aa29122698e83a5151b270e82532c1663e89e3df8c5445b8ca833f" + + "f000018609184e72a000830f3e6f8227d2845387c58f80a00000000000000000" + + "0000000000000000000000000000000094148d7738f78c04f90654f8c6f8a080" + + "8609184e72a00082271094000000000000000000000000000000000000000080" + + "b83a33604557602a5160106000396000f200604556330e0f602a59366000530a" + + "0f602a596020600053013560005335576040600053016000546009581ca033a6" + + "bfa5eb2f4b63f1b98bed9a987d096d32e56deecb050367c84955508f5365a015" + + "034e7574ec073f0c448aac1d9f844387610dfef5342834b6825fbc35df5913a0" + + "ee258e73d41ada73d8d6071ba7d236fbbe24fcfb9627fbd4310e24ffd87b961a" + + "8203e9f90194f9016d018609184e72a000822710940000000000000000000000" + + "00000000000000000080b901067f4e616d655265670000000000000000000000" + + "00000000000000000000000000003057307f4e616d6552656700000000000000" + + "000000000000000000000000000000000000577f436f6e666967000000000000" + + "000000000000000000000000000000000000000073ccdeac59d35627b7de0933" + + "2e819d5159e7bb72505773ccdeac59d35627b7de09332e819d5159e7bb72507f" + + "436f6e6669670000000000000000000000000000000000000000000000000000" + + "57336045576041516100c56000396000f20036602259604556330e0f600f5933" + + "ff33560f601e5960003356576000335700604158600035560f602b590033560f" + + "603659600033565733600035576000353357001ca0f3c527e484ea5546189979" + + "c767b69aa9f1ad5a6f4b6077d4bccf5142723a67c9a069a4a29a2a315102fcd0" + + "822d39ad696a6d7988c993bb2b911cc2a78bb8902d91a01ebe4782ea3ed224cc" + + "bb777f5de9ee7b5bbb282ac08f7fa0ef95d3d1c1c6d1a1820ef7f8ccf8a60286" + + "09184e72a00082271094ccdeac59d35627b7de09332e819d5159e7bb725080b8" + + "4000000000000000000000000000000000000000000000000000000000000000" + + "000000000000000000000000002d0aceee7e5ab874e22ccf8d1a649f59106d74" + + "e81ba095ad45bf574c080e4d72da2cfd3dbe06cc814c1c662b5f74561f13e1e7" + + "5058f2a057745a3db5482bccb5db462922b074f4b79244c4b1fa811ed094d728" + + "e7b6da92a08599ea5d6cb6b9ad3311f0d82a3337125e05f4a82b9b0556cb3776" + + "a6e1a02f8782132df8abf885038609184e72a000822710942d0aceee7e5ab874" + + "e22ccf8d1a649f59106d74e880a0476176000000000000000000000000000000" + + "00000000000000000000000000001ca09b5fdabd54ebc284249d2d2df6d43875" + + "cb86c52bd2bac196d4f064c8ade054f2a07b33f5c8b277a408ec38d2457441d2" + + "af32e55681c8ecb28eef3d2a152e8db5a9a0227a67fceb1bf4ddd31a7047e24b" + + "e93c947ab3b539471555bb3509ed6e393c8e82178df90277f90250048609184e" + + "72a0008246dd94000000000000000000000000000000000000000080b901e961" + + "010033577f476176436f696e0000000000000000000000000000000000000000" + + "000000000060005460006000600760006000732d0aceee7e5ab874e22ccf8d1a" + + "649f59106d74e860645c03f150436000576000600157620f424060025761017d" + + "5161006c6000396000f2006020360e0f61013f59602060006000374360205460" + + "0056600054602056602054437f6e000000000000000000000000000000000000" + + "00000000000000000000000000560e0f0f61008059437f6e0000000000000000" + + "0000000000000000000000000000000000000000000000576000602054610400" + + "60005304600053036000547f6400000000000000000000000000000000000000" + + "0000000000000000000000005660016000030460406000200a0f61013e596001" + + "60205301602054600a6020530b0f6100f45961040060005304600053017f6400" + + "0000000000000000000000000000000000000000000000000000000000005760" + + "20537f6900000000000000000000000000000000000000000000000000000000" + + "000000576000537f640000000000000000000000000000000000000000000000" + + "000000000000000057006040360e0f0f61014a59003356604054600035566060" + + "546020356080546080536040530a0f6101695900608053604053033357608053" + + "60605301600035571ba0190fc7ab634dc497fe1656fde523a4c26926d51a93db" + + "2ba37af8e83c3741225da066ae0ec1217b0ca698a5369d4881e1c4cbde56af99" + + "31ebf9281580a23b659c08a051f947cb2315d0259f55848c630caa10cd91d6e4" + + "4ff8bad7758c65b25e2191308227d2c0"; + + String block_2 = "f8b5f8b1a0cf4b25b08b39350304fe12a16e4216c01a426f8f3dbf0d392b5b45" + + "8ffb6a399da01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a1" + + "42fd40d493479476f5eabe4b342ee56b8ceba6ab2a770c3e2198e7a08a22d58b" + + "a5c65b2bf660a961b075a43f564374d38bfe6cc69823eea574d1d16e80833fe0" + + "04028609184e72a000830f3aab80845387c60380a00000000000000000000000" + + "0000000000000000000000000033172b6669131179c0c0"; + + String block_17 = "f9016df8d3a0aa142573b355c6f2e8306471c869b0d12d0638cea3f57d39991a" + + "b1b03ffa40daa01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40" + + "d4934794e559de5527492bcb42ec68d07df0742a98ec3f1ea031c973c20e7a15c319a9ff" + + "9b0aab5bdc121320767fee71fb2b771ce1c93cf812a01b224ec310c2bfb40fd0e6a668ee" + + "7c06a5a4a4bfb99620d0fea8f7b43315dd59833f3130118609184e72a000830f01ec8201" + + "f4845387f36980a00000000000000000000000000000000000000000000000000532c3ae" + + "9b3503f6f895f893f86d018609184e72a0008201f494f625565ac58ec5dadfce1b8f9fb1" + + "dd30db48613b8862cf5246d0c80000801ca05caa26abb350e0521a25b8df229806f3777d" + + "9e262996493846a590c7011697dba07bb7680a256ede4034212b7a1ae6c7caea73190cb0" + + "7dedb91a07b72f34074e76a00cd22d78d556175604407dc6109797f5c8d990d05f1b352e" + + "10c71b3dd74bc70f8201f4c0"; + + String block_32 = "f8b5f8b1a00a312c2b0a8f125c60a3976b6e508e740e095eb59943988d9bbfb8" + + "aa43922e31a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d4" + + "934794e559de5527492bcb42ec68d07df0742a98ec3f1ea050188ab86bdf164ac90eb283" + + "5a04a8930aae5393c3a2ef1166fb95028f9456b880833ee248208609184e72a000830eca" + + "0080845387fd2080a00000000000000000000000000000000000000000000000001f52eb" + + "b192c4ea97c0c0"; + @Test /* got from go guy */ public void testGenesisFromRLP(){ // from RLP encoding @@ -57,52 +139,51 @@ public class BlockTest { assertEquals(CPP_PoC5_GENESIS_HEX_HASH, Hex.toHexString(genesis.getHash())); } - @Test /* create BlockData from part of real RLP BLOCKS message */ - public void test3() { - - String blocksMsg = "F8C8F8C4A07B2536237CBF114A043B0F9B27C76F84AC160EA5B87B53E42C7E76148964D450A01DCC4DE8DEC75D7AAB85B567B6CCD41AD312451B948A7413F0A142FD40D49347943854AAF203BA5F8D49B1EC221329C7AEBCF050D3A07A3BE0EE10ECE4B03097BF74AABAC628AA0FAE617377D30AB1B97376EE31F41AA01DCC4DE8DEC75D7AAB85B567B6CCD41AD312451B948A7413F0A142FD40D49347833FBFE884533F1CE880A0000000000000000000000000000000000000000000000000F3DEEA84969B6E95C0C0"; - - byte[] payload = Hex.decode(blocksMsg); + @Test /* block without transactions - block#32 in PoC5 cpp-chain */ + public void testEmptyBlock() { + byte[] payload = Hex.decode(block_32); Block blockData = new Block(payload); System.out.println(blockData.toString()); } - @Test /* create BlockData from part of real RLP BLOCKS message POC-5 */ - public void test4() { - - String blocksMsg = "F8D1A0085F6A51A63D1FBA43D6E5FE166A47BED64A8B93A99012537D50F3279D4CEA52A01DCC4DE8DEC75D7AAB85B567B6CCD41AD312451B948A7413F0A142FD40D4934794D8758B101609A9F2A881A017BA86CBE6B7F0581DA068472689EA736CFC6B18FCAE9BA7454BADF9C65333A0317DFEFAE1D4AFFF6F90A000000000000000000000000000000000000000000000000000000000000000008401EDF1A18222778609184E72A0008080845373B0B180A0000000000000000000000000000000000000000000000000D1C0D8BC6D744943C0C0"; - - byte[] payload = Hex.decode(blocksMsg); + @Test /* block with single balance transfer transaction - block#17 in PoC5 cpp-chain */ + public void testSingleBalanceTransfer() { + byte[] payload = Hex.decode(block_17); Block blockData = new Block(payload); System.out.println(blockData.toString()); } - @Test /* todo: that message kills the traffic somehow need to check it good chance it's not our fault */ - public void test5() { - - String blockMsg = 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- - byte[] payload = Hex.decode(blockMsg); - RLPList rlpList = RLP.decode2(payload); - - BlocksMessage blockData = new BlocksMessage(rlpList); - System.out.println(blockData.toString()); + @Test /* large block with 5 transactions -block#1 in PoC5 cpp-chain */ + public void testBlockWithContractCreation() { + byte[] payload = Hex.decode(block_1); + Block block = new Block(payload); + System.out.println(block.toString()); } @Test public void testCalcDifficulty() { - Block genesis = Genesis.getInstance(); - byte[] diffBytes = genesis.calcDifficulty(); + byte[] diffBytes = Genesis.getInstance().calcDifficulty(); BigInteger difficulty = new BigInteger(1, diffBytes); System.out.println("Genesis difficulty = " + difficulty.toString()); - fail("Yet to be implemented."); + assertEquals(new BigInteger(1, Genesis.DIFFICULTY), difficulty); + + Block block1 = new Block(Hex.decode(block_1)); + diffBytes = block1.calcDifficulty(); + difficulty = new BigInteger(1, diffBytes); + System.out.println("Block#1 difficulty = " + difficulty.toString()); + assertEquals(new BigInteger(""), difficulty); } @Test public void testCalcGasLimit() { - Block genesis = Genesis.getInstance(); - long gasLimit = genesis.calcGasLimit(); + long gasLimit = Genesis.getInstance().calcGasLimit(); System.out.println("Genesis gasLimit = " + gasLimit); - fail("Yet to be implemented."); + assertEquals(Genesis.GAS_LIMIT, gasLimit); + + // Test with block + Block block1 = new Block(Hex.decode(block_1)); + gasLimit = block1.calcGasLimit(); + System.out.println("Block#1 gasLimit = " + gasLimit); + assertEquals(999023, gasLimit); } } \ No newline at end of file