Examples with MiningBlock org.aion.zero.impl.types.MiningBlock used on opensource projects

Example 36 with MiningBlock

use of org.aion.zero.impl.types.MiningBlock in project aion by aionnetwork.

the class SolidityTypeTest method testBytes2.

@Test
public void testBytes2() throws Exception {
    byte[] x = Hex.decode("11223344556677881122334455667788112233445566778811223344556677881122334455667788");
    SolidityType type = new BytesType();
    byte[] params = ByteUtil.merge(Hex.decode("00000000000000000000000000000010"), type.encode(x));
    System.out.println(Hex.toHexString(params));
    AionTransaction tx = createTransaction(ByteUtil.merge(Hex.decode("61cb5a01"), params));
    MiningBlock block = createDummyBlock();
    RepositoryCache repo = createRepository(tx);
    AionTxReceipt receipt = executeTransaction(tx, block, repo).getReceipt();
    System.out.println(receipt);
    assertArrayEquals(params, receipt.getTransactionOutput());
    assertArrayEquals(x, (byte[]) type.decode(receipt.getTransactionOutput(), 16));
}

Example 37 with MiningBlock

use of org.aion.zero.impl.types.MiningBlock in project aion by aionnetwork.

the class AvmInternalTxTest method makeCall.

private void makeCall(BigInteger nonce, AionAddress contract, byte[] call) {
    AionTransaction transaction = AionTransaction.create(deployerKey, nonce.toByteArray(), contract, new byte[0], call, 2_000_000, minEnergyPrice, TransactionTypes.DEFAULT, null);
    MiningBlock block = this.blockchain.createNewMiningBlock(this.blockchain.getBestBlock(), Collections.singletonList(transaction), false);
    Pair<ImportResult, AionBlockSummary> connectResult = this.blockchain.tryToConnectAndFetchSummary(block);
    AionTxReceipt receipt = connectResult.getRight().getReceipts().get(0);
    // Check the block was imported and the transaction was successful.
    assertThat(connectResult.getLeft()).isEqualTo(ImportResult.IMPORTED_BEST);
    assertThat(receipt.isSuccessful()).isTrue();
    System.out.println(block);
}

Example 38 with MiningBlock

use of org.aion.zero.impl.types.MiningBlock in project aion by aionnetwork.

the class AvmBulkTransactionTest method sendTransactionsInBulkInSingleBlock.

private AionBlockSummary sendTransactionsInBulkInSingleBlock(List<AionTransaction> transactions) {
    Block parentBlock = this.blockchain.getBestBlock();
    MiningBlock block = this.blockchain.createBlock(parentBlock, transactions, false, parentBlock.getTimestamp());
    Pair<ImportResult, AionBlockSummary> connectResult = this.blockchain.tryToConnectAndFetchSummary(block);
    assertEquals(ImportResult.IMPORTED_BEST, connectResult.getLeft());
    return connectResult.getRight();
}

Example 39 with MiningBlock

use of org.aion.zero.impl.types.MiningBlock in project aion by aionnetwork.

the class AionBlockchainImpl method createNewStakingBlock.

private StakingBlock createNewStakingBlock(Block parent, List<AionTransaction> txs, byte[] newSeed, byte[] signingPublicKey, byte[] coinbase) {
    BlockHeader parentHdr = parent.getHeader();
    byte[] sealedSeed = newSeed;
    if (!forkUtility.isUnityForkActive(parentHdr.getNumber() + 1)) {
        LOG.debug("Unity fork has not been enabled! Can't create the staking blocks");
        return null;
    }
    byte[] parentSeed;
    BigInteger newDiff;
    if (parentHdr.getSealType() == Seal.PROOF_OF_STAKE) {
        LOG.warn("Tried to create 2 PoS blocks in a row");
        return null;
    } else if (parentHdr.getSealType() == Seal.PROOF_OF_WORK) {
        if (forkUtility.isUnityForkBlock(parentHdr.getNumber())) {
            // this is the first PoS block, use all zeroes as seed, and totalStake / 10 as difficulty
            parentSeed = GENESIS_SEED;
            newDiff = calculateFirstPoSDifficultyAtBlock(parent);
        } else if (forkUtility.isNonceForkBlock(parentHdr.getNumber())) {
            BlockHeader parentStakingBlock = getParent(parentHdr).getHeader();
            parentSeed = ((StakingBlockHeader) parentStakingBlock).getSeedOrProof();
            newDiff = calculateFirstPoSDifficultyAtBlock(parent);
            forkUtility.setNonceForkResetDiff(newDiff);
        } else {
            Block[] blockFamily = repository.getBlockStore().getTwoGenerationBlocksByHashWithInfo(parentHdr.getParentHash());
            Objects.requireNonNull(blockFamily[0]);
            BlockHeader parentStakingBlock = blockFamily[0].getHeader();
            BlockHeader parentStakingBlocksParent = blockFamily[1].getHeader();
            parentSeed = ((StakingBlockHeader) parentStakingBlock).getSeedOrProof();
            newDiff = chainConfiguration.getUnityDifficultyCalculator().calculateDifficulty(parentStakingBlock, parentStakingBlocksParent);
        }
    } else {
        throw new IllegalStateException("Invalid block type");
    }
    long newTimestamp;
    AionAddress coinbaseAddress = new AionAddress(coinbase);
    if (signingPublicKey != null) {
        // Create block template for the external stakers.
        byte[] proofHash = null;
        if (forkUtility.isSignatureSwapForkBlock(parent.getNumber() - 1)) {
            if (!VRF_Ed25519.verify(parentSeed, newSeed, signingPublicKey)) {
                LOG.debug("Seed verification failed! previousProof:{} newProof:{} pKey:{}", ByteUtil.toHexString(parentSeed), ByteUtil.toHexString(newSeed), ByteUtil.toHexString(signingPublicKey));
                return null;
            }
            proofHash = VRF_Ed25519.generateProofHash(newSeed);
        } else if (forkUtility.isSignatureSwapForkActive(parent.getNumber() + 1)) {
            byte[] parentSeedHash = VRF_Ed25519.generateProofHash(parentSeed);
            if (!VRF_Ed25519.verify(parentSeedHash, newSeed, signingPublicKey)) {
                LOG.debug("Seed verification failed! previousProof:{} newProof:{} pKey:{}", ByteUtil.toHexString(parentSeed), ByteUtil.toHexString(newSeed), ByteUtil.toHexString(signingPublicKey));
                return null;
            }
            proofHash = VRF_Ed25519.generateProofHash(newSeed);
        } else {
            if (!ECKeyEd25519.verify(parentSeed, newSeed, signingPublicKey)) {
                LOG.debug("Seed verification failed! previousSeed:{} newSeed:{} pKey:{}", ByteUtil.toHexString(parentSeed), ByteUtil.toHexString(newSeed), ByteUtil.toHexString(signingPublicKey));
                return null;
            }
            if (forkUtility.isNonceForkActive(parentHdr.getNumber() + 1)) {
                // new seed generation
                BlockHeader parentStakingBlock = getParent(parentHdr).getHeader();
                // retrieve components
                parentSeed = ((StakingBlockHeader) parentStakingBlock).getSeedOrProof();
                byte[] signerAddress = new AionAddress(AddressSpecs.computeA0Address(signingPublicKey)).toByteArray();
                ;
                byte[] powMineHash = ((MiningBlock) parent).getHeader().getMineHash();
                byte[] powNonce = ((MiningBlock) parent).getNonce();
                int lastIndex = parentSeed.length + signerAddress.length + powMineHash.length + powNonce.length;
                byte[] concatenated = new byte[lastIndex + 1];
                System.arraycopy(parentSeed, 0, concatenated, 0, parentSeed.length);
                System.arraycopy(signerAddress, 0, concatenated, parentSeed.length, signerAddress.length);
                System.arraycopy(powMineHash, 0, concatenated, parentSeed.length + signerAddress.length, powMineHash.length);
                System.arraycopy(powNonce, 0, concatenated, parentSeed.length + signerAddress.length + powMineHash.length, powNonce.length);
                concatenated[lastIndex] = 0;
                byte[] hash1 = h256(concatenated);
                concatenated[lastIndex] = 1;
                byte[] hash2 = h256(concatenated);
                sealedSeed = new byte[hash1.length + hash2.length];
                System.arraycopy(hash1, 0, sealedSeed, 0, hash1.length);
                System.arraycopy(hash2, 0, sealedSeed, hash1.length, hash2.length);
            }
        }
        AionAddress signingAddress = new AionAddress(AddressSpecs.computeA0Address(signingPublicKey));
        BigInteger stakes = null;
        try {
            stakes = getStakingContractHelper().getEffectiveStake(signingAddress, coinbaseAddress, parent);
        } catch (Exception e) {
            LOG.error("Shutdown due to a fatal error encountered while getting the effective stake.", e);
            System.exit(SystemExitCodes.FATAL_VM_ERROR);
        }
        if (stakes.signum() < 1) {
            LOG.debug("The caller {} with coinbase {} has no stake ", signingAddress.toString(), coinbase.toString());
            return null;
        }
        long newDelta = StakingDeltaCalculator.calculateDelta(proofHash == null ? sealedSeed : proofHash, newDiff, stakes);
        newTimestamp = Long.max(parent.getHeader().getTimestamp() + newDelta, parent.getHeader().getTimestamp() + 1);
    } else {
        newTimestamp = TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis());
        if (parentHdr.getTimestamp() >= newTimestamp) {
            newTimestamp = parentHdr.getTimestamp() + 1;
        }
    }
    StakingBlock block;
    try {
        StakingBlockHeader.Builder headerBuilder = StakingBlockHeader.Builder.newInstance().withParentHash(parent.getHash()).withCoinbase(coinbaseAddress).withNumber(parentHdr.getNumber() + 1).withTimestamp(newTimestamp).withExtraData(minerExtraData).withTxTrieRoot(calcTxTrieRoot(txs)).withEnergyLimit(energyLimitStrategy.getEnergyLimit(parentHdr)).withDifficulty(ByteUtil.bigIntegerToBytes(newDiff, DIFFICULTY_BYTES)).withDefaultStateRoot().withDefaultReceiptTrieRoot().withDefaultLogsBloom().withDefaultSignature().withDefaultSigningPublicKey();
        if (signingPublicKey != null) {
            headerBuilder.withSigningPublicKey(signingPublicKey);
        }
        if (forkUtility.isSignatureSwapForkActive(parentHdr.getNumber() + 1)) {
            headerBuilder.withProof(sealedSeed);
        } else {
            headerBuilder.withSeed(sealedSeed);
        }
        block = new StakingBlock(headerBuilder.build(), txs);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    BigInteger transactionFee = blockPreSeal(parentHdr, block);
    if (transactionFee == null) {
        return null;
    }
    if (signingPublicKey != null) {
        stakingBlockTemplate.putIfAbsent(ByteArrayWrapper.wrap(block.getHeader().getMineHash()), block);
    }
    LOG.debug("GetBlockTemp: {}", block.toString());
    return block;
}

Example 40 with MiningBlock

use of org.aion.zero.impl.types.MiningBlock in project aion by aionnetwork.

the class StandaloneBlockchain method createBlockAndBlockTemplate.

/**
 * create a testing mining block and the block template
 */
public MiningBlock createBlockAndBlockTemplate(Block parent, List<AionTransaction> txs, boolean waitUntilBlockTime, long currTimeSeconds) {
    boolean unityForkEnabled = forkUtility.isUnityForkActive(parent.getNumber() + 1);
    boolean signatureSwapForkEnabled = forkUtility.isSignatureSwapForkActive(parent.getNumber() + 1);
    for (AionTransaction tx : txs) {
        if (TXValidator.validateTx(tx, unityForkEnabled, signatureSwapForkEnabled).isFail()) {
            throw new InvalidParameterException("invalid transaction input! " + tx.toString());
        }
    }
    BlockContext context = createNewMiningBlockInternal(parent, txs, waitUntilBlockTime, currTimeSeconds);
    if (context != null) {
        MiningBlock block = context.block;
        boolean newblock = miningBlockTemplate.put(ByteArrayWrapper.wrap(block.getHash()), block) == null;
        return newblock ? block : null;
    }
    return null;
}