Examples with AionAddress org.aion.types.AionAddress used on opensource projects

Example 76 with AionAddress

use of org.aion.types.AionAddress in project aion by aionnetwork.

the class AionTxExecSummary method toString.

@Override
public String toString() {
    StringBuilder s = new StringBuilder();
    s.append(receipt.toString()).append("\n");
    s.append("value= ").append(value).append("\n");
    s.append("deletedAccounts [");
    if (!deletedAccounts.isEmpty()) {
        s.append("\n");
        for (AionAddress a : deletedAccounts) {
            s.append("  ").append(a).append("\n");
        }
    }
    s.append("]\n");
    return s.toString();
}

Example 77 with AionAddress

use of org.aion.types.AionAddress in project aion by aionnetwork.

the class AionTransaction method create.

/**
 * Factory method used by most of the kernel to create AionTransactions
 */
public static AionTransaction create(ECKey key, byte[] nonce, AionAddress destination, byte[] value, byte[] data, long energyLimit, long energyPrice, byte type, byte[] beaconHash) {
    byte[] timeStamp = ByteUtil.longToBytes(TimeInstant.now().toEpochMicro());
    byte[] transactionHashWithoutSignature = HashUtil.h256(TxUtil.rlpEncodeWithoutSignature(nonce, destination, value, data, timeStamp, energyLimit, energyPrice, type, beaconHash));
    ISignature signature = key.sign(transactionHashWithoutSignature);
    byte[] rlpEncoding = TxUtil.rlpEncode(nonce, destination, value, data, timeStamp, energyLimit, energyPrice, type, signature, beaconHash);
    byte[] transactionHash = HashUtil.h256(rlpEncoding);
    return new AionTransaction(nonce, new AionAddress(key.getAddress()), destination, value, data, energyLimit, energyPrice, type, timeStamp, transactionHashWithoutSignature, signature, rlpEncoding, transactionHash, beaconHash);
}

Example 78 with AionAddress

use of org.aion.types.AionAddress in project aion by aionnetwork.

the class AionTransaction method createGivenTimestamp.

/**
 * Factory method used by some tests to create multiple transactions with the same timestamp
 */
public static AionTransaction createGivenTimestamp(ECKey key, byte[] nonce, AionAddress destination, byte[] value, byte[] data, long energyLimit, long energyPrice, byte type, byte[] timeStamp, byte[] beaconHash) {
    byte[] transactionHashWithoutSignature = HashUtil.h256(TxUtil.rlpEncodeWithoutSignature(nonce, destination, value, data, timeStamp, energyLimit, energyPrice, type, beaconHash));
    ISignature signature = key.sign(transactionHashWithoutSignature);
    byte[] rlpEncoding = TxUtil.rlpEncode(nonce, destination, value, data, timeStamp, energyLimit, energyPrice, type, signature, beaconHash);
    byte[] transactionHash = HashUtil.h256(rlpEncoding);
    return new AionTransaction(nonce, new AionAddress(key.getAddress()), destination, value, data, energyLimit, energyPrice, type, timeStamp, transactionHashWithoutSignature, signature, rlpEncoding, transactionHash, beaconHash);
}

Example 79 with AionAddress

use of org.aion.types.AionAddress in project aion by aionnetwork.

the class InvokableTxUtil method decode.

public static InternalTransaction decode(byte[] encodingWithVersion, AionAddress callingAddress, long energyPrice, long energyLimit) {
    // Right now we only have version 0, so if it is not 0, return null
    if (encodingWithVersion[0] != 0) {
        return null;
    }
    byte[] rlpEncoding = Arrays.copyOfRange(encodingWithVersion, 1, encodingWithVersion.length);
    try {
        SharedRLPList decodedTxList = RLP.decode2SharedList(rlpEncoding);
        RLPElement element = decodedTxList.get(0);
        if (!element.isList()) {
            throw new IllegalArgumentException("The rlp decode error, the decoded item should be a list");
        }
        SharedRLPList tx = (SharedRLPList) element;
        BigInteger nonce = new BigInteger(1, tx.get(RLP_META_TX_NONCE).getRLPData());
        BigInteger value = new BigInteger(1, tx.get(RLP_META_TX_VALUE).getRLPData());
        byte[] data = tx.get(RLP_META_TX_DATA).getRLPData();
        AionAddress destination;
        try {
            destination = new AionAddress(tx.get(RLP_META_TX_TO).getRLPData());
        } catch (Exception e) {
            destination = null;
        }
        AionAddress executor;
        try {
            executor = new AionAddress(tx.get(RLP_META_TX_EXECUTOR).getRLPData());
        } catch (Exception e) {
            executor = null;
        }
        if (executor != null && !executor.equals(AddressUtils.ZERO_ADDRESS) && !executor.equals(callingAddress)) {
            return null;
        }
        byte[] sigs = tx.get(RLP_META_TX_SIG).getRLPData();
        ISignature signature;
        AionAddress sender;
        if (sigs != null) {
            // Singature Factory will decode the signature based on the algo
            // presetted in main() entry.
            ISignature is = SignatureFac.fromBytes(sigs);
            if (is != null) {
                signature = is;
                sender = new AionAddress(is.getAddress());
            } else {
                return null;
            }
        } else {
            return null;
        }
        return createFromRlp(nonce, sender, destination, value, data, executor, energyLimit, energyPrice, signature, encodingWithVersion);
    } catch (Exception e) {
        LOG.error("Invokable tx -> unable to decode rlpEncoding. " + e);
        return null;
    }
}

Example 80 with AionAddress

use of org.aion.types.AionAddress in project aion by aionnetwork.

the class AionBlockchainImpl method isValid.

public boolean isValid(BlockHeader header) {
    /*
         * The block header should already be validated at this point by P2P or mining,
         * but we are including the validation in case future import paths forget to add it.
         */
    if (!this.headerValidator.validate(header, LOG)) {
        return false;
    }
    Block[] threeGenParents = repository.getBlockStore().getThreeGenerationBlocksByHashWithInfo(header.getParentHash());
    Block parentBlock = threeGenParents[0];
    if (parentBlock == null) {
        return false;
    }
    Block grandparentBlock = threeGenParents[1];
    Block greatGrandparentBlock = threeGenParents[2];
    if (header.getSealType() == Seal.PROOF_OF_WORK) {
        if (forkUtility.isUnityForkActive(header.getNumber())) {
            if (grandparentBlock == null || greatGrandparentBlock == null) {
                return false;
            }
            return unityParentBlockHeaderValidator.validate(header, parentBlock.getHeader(), LOG, null) && unityGreatGrandParentBlockHeaderValidator.validate(grandparentBlock.getHeader(), greatGrandparentBlock.getHeader(), header, LOG);
        } else {
            return preUnityParentBlockHeaderValidator.validate(header, parentBlock.getHeader(), LOG, null) && preUnityGrandParentBlockHeaderValidator.validate(parentBlock.getHeader(), grandparentBlock == null ? null : grandparentBlock.getHeader(), header, LOG);
        }
    } else if (header.getSealType() == Seal.PROOF_OF_STAKE) {
        if (!forkUtility.isUnityForkActive(header.getNumber())) {
            LOG.warn("Trying to import a Staking block when the Unity fork is not active.");
            return false;
        }
        if (grandparentBlock == null) {
            LOG.warn("Staking block {} cannot find its grandparent", header.getNumber());
            return false;
        }
        if (forkUtility.isUnityForkBlock(parentBlock.getNumber())) {
            BigInteger expectedDiff = calculateFirstPoSDifficultyAtBlock(parentBlock);
            if (!expectedDiff.equals(header.getDifficultyBI())) {
                return false;
            }
            grandparentBlock = new GenesisStakingBlock(expectedDiff);
        } else if (forkUtility.isNonceForkBlock(parentBlock.getNumber())) {
            BigInteger expectedDiff = calculateFirstPoSDifficultyAtBlock(parentBlock);
            if (!expectedDiff.equals(header.getDifficultyBI())) {
                return false;
            }
        }
        BigInteger stake = null;
        try {
            stake = getStakingContractHelper().getEffectiveStake(new AionAddress(AddressSpecs.computeA0Address(((StakingBlockHeader) header).getSigningPublicKey())), ((StakingBlockHeader) header).getCoinbase(), parentBlock);
        } catch (Exception e) {
            LOG.error("Shutdown due to a fatal error encountered while getting the effective stake.", e);
            System.exit(SystemExitCodes.FATAL_VM_ERROR);
        }
        boolean result = unityParentBlockHeaderValidator.validate(header, parentBlock.getHeader(), LOG, stake);
        if (result) {
            if (forkUtility.isSignatureSwapForkActive(header.getNumber())) {
                result = vrfProofValidator.validate(parentBlock.getHeader(), grandparentBlock.getHeader(), header, LOG) && difficultyValidateAfterSeedNonceFork(grandparentBlock.getHeader(), greatGrandparentBlock.getHeader(), header);
            } else if (forkUtility.isNonceForkActive(header.getNumber())) {
                result = nonceSeedValidator.validate(grandparentBlock.getHeader(), parentBlock.getHeader(), header, LOG) && difficultyValidateAfterSeedNonceFork(grandparentBlock.getHeader(), greatGrandparentBlock.getHeader(), header);
            } else {
                result = unityGreatGrandParentBlockHeaderValidator.validate(grandparentBlock.getHeader(), greatGrandparentBlock.getHeader(), header, LOG);
            }
        }
        return result;
    } else {
        LOG.debug("Invalid header seal type!");
        return false;
    }
}