Examples with AccountState org.aion.mcf.core.AccountState used on opensource projects

Example 11 with AccountState

use of org.aion.mcf.core.AccountState in project aion by aionnetwork.

the class AbstractRepositoryCache method getAccountState.

/**
 * Retrieves the current state of the account associated with the given
 * address.
 *
 * @param address
 *         the address of the account of interest
 * @return a {@link AccountState} object representing the account state as
 * is stored in the database or cache
 * @implNote If there is no account associated with the given address, it
 * will create it.
 */
@Override
public synchronized AccountState getAccountState(Address address) {
    // check if the account is cached locally
    AccountState accountState = this.cachedAccounts.get(address);
    // when the account is not cached load it from the repository
    if (accountState == null) {
        // note that the call below will create the account if never stored
        this.repository.loadAccountState(address, this.cachedAccounts, this.cachedDetails);
        accountState = this.cachedAccounts.get(address);
    }
    return accountState;
}

Example 12 with AccountState

use of org.aion.mcf.core.AccountState in project aion by aionnetwork.

the class GenesisBlockLoader method loadJSON.

/**
 * Loader function, ported from @chrislol's configuration class, will open a
 * file located at filePath. Load the JSON (not incrementally) and generate
 * a genesis object that defaults back to parameters specified in
 * {@link AionGenesis} if not specified.
 *
 * Alternatively, if the file cannot be loaded, then the default genesis
 * file is loaded
 *
 * Makes no assumptions about thread-safety.
 *
 * @param filePath
 *            filepath to the genesis JSON file
 * @return genesis file
 */
public static AionGenesis loadJSON(String filePath) {
    File genesisFile = new File(filePath);
    if (genesisFile.exists()) {
        try (InputStream is = new FileInputStream(genesisFile)) {
            String json = new String(ByteStreams.toByteArray(is));
            JSONObject mapper = new JSONObject(json);
            AionGenesis.Builder genesisBuilder = new AionGenesis.Builder();
            if (mapper.has("parentHash")) {
                genesisBuilder.withParentHash(ByteUtil.hexStringToBytes(mapper.getString("parentHash")));
            }
            if (mapper.has("coinbase")) {
                genesisBuilder.withCoinbase(Address.wrap(mapper.getString("coinbase")));
            }
            if (mapper.has("difficulty")) {
                String difficulty = mapper.getString("difficulty");
                if (difficulty.substring(0, 2).equals("0x"))
                    genesisBuilder.withDifficulty(ByteUtil.hexStringToBytes(mapper.getString("difficulty")));
                else
                    genesisBuilder.withDifficulty((new BigInteger(difficulty)).toByteArray());
            }
            if (mapper.has("timestamp")) {
                String timestamp = mapper.getString("timestamp");
                if (timestamp.substring(0, 2).equals("0x"))
                    genesisBuilder.withTimestamp((new BigInteger(1, ByteUtil.hexStringToBytes(timestamp)).longValueExact()));
                else
                    genesisBuilder.withTimestamp((new BigInteger(timestamp)).longValueExact());
            }
            if (mapper.has("extraData")) {
                String extraData = mapper.getString("extraData");
                if (extraData.substring(0, 2).equals("0x")) {
                    genesisBuilder.withExtraData(ByteUtil.hexStringToBytes(extraData));
                } else {
                    genesisBuilder.withExtraData(extraData.getBytes());
                }
            }
            if (mapper.has("energyLimit")) {
                String extraData = mapper.getString("energyLimit");
                if (extraData.substring(0, 2).equals("0x")) {
                    genesisBuilder.withEnergyLimit(new BigInteger(1, ByteUtil.hexStringToBytes(extraData)).longValueExact());
                } else {
                    genesisBuilder.withEnergyLimit(new BigInteger(extraData).longValueExact());
                }
            }
            if (mapper.has("networkBalanceAllocs")) {
                JSONObject networkBalanceAllocs = mapper.getJSONObject("networkBalanceAllocs");
                // BigInteger (decimal/string format)
                for (String key : networkBalanceAllocs.keySet()) {
                    Integer chainId = Integer.valueOf(key);
                    BigInteger value = new BigInteger(networkBalanceAllocs.getJSONObject(key).getString("balance"));
                    genesisBuilder.addNetworkBalance(chainId, value);
                }
            }
            // load premine accounts
            if (mapper.has("alloc")) {
                JSONObject accountAllocs = mapper.getJSONObject("alloc");
                for (String key : accountAllocs.keySet()) {
                    BigInteger balance = new BigInteger(accountAllocs.getJSONObject(key).getString("balance"));
                    AccountState acctState = new AccountState(BigInteger.ZERO, balance);
                    genesisBuilder.addPreminedAccount(Address.wrap(key), acctState);
                }
            }
            return genesisBuilder.build();
        } catch (IOException | JSONException e) {
            System.out.println(String.format("AION genesis format exception at %s, loading from defaults", filePath));
            AionGenesis.Builder genesisBuilder = new AionGenesis.Builder();
            return genesisBuilder.build();
        }
    } else {
        System.out.println(String.format("AION genesis not found at %s, loading from defaults", filePath));
        AionGenesis.Builder genesisBuilder = new AionGenesis.Builder();
        return genesisBuilder.build();
    }
}

Example 13 with AccountState

use of org.aion.mcf.core.AccountState in project aion by aionnetwork.

the class AionImpl method getAccountState.

// assumes a correctly formatted blockHash
@Override
public Optional<AccountState> getAccountState(Address address, byte[] blockHash) {
    try {
        byte[] stateRoot = this.aionHub.getBlockchain().getBlockByHash(blockHash).getStateRoot();
        AccountState account = (AccountState) this.aionHub.getRepository().getSnapshotTo(stateRoot).getAccountState(address);
        if (account == null)
            return Optional.empty();
        return Optional.of(account);
    } catch (Exception e) {
        LOG.debug("query request failed", e);
        return Optional.empty();
    }
}

Example 14 with AccountState

use of org.aion.mcf.core.AccountState in project aion by aionnetwork.

the class AionImpl method getAccountState.

// assumes a correctly formatted block number
@Override
public Optional<AccountState> getAccountState(Address address, long blockNumber) {
    try {
        byte[] stateRoot = this.aionHub.getBlockStore().getChainBlockByNumber(blockNumber).getStateRoot();
        AccountState account = (AccountState) this.aionHub.getRepository().getSnapshotTo(stateRoot).getAccountState(address);
        if (account == null)
            return Optional.empty();
        return Optional.of(account);
    } catch (Exception e) {
        LOG.debug("query request failed", e);
        return Optional.empty();
    }
}

Example 15 with AccountState

use of org.aion.mcf.core.AccountState in project aion by aionnetwork.

the class AionRepositoryDummy method updateBatch.

public void updateBatch(HashMap<ByteArrayWrapper, AccountState> stateCache, HashMap<ByteArrayWrapper, IContractDetails<DataWord>> detailsCache) {
    for (ByteArrayWrapper hash : stateCache.keySet()) {
        AccountState accountState = stateCache.get(hash);
        IContractDetails<DataWord> contractDetails = detailsCache.get(hash);
        if (accountState.isDeleted()) {
            worldState.remove(hash);
            detailsDB.remove(hash);
            logger.debug("delete: [{}]", Hex.toHexString(hash.getData()));
        } else {
            if (accountState.isDirty() || contractDetails.isDirty()) {
                detailsDB.put(hash, contractDetails);
                accountState.setStateRoot(contractDetails.getStorageHash());
                accountState.setCodeHash(h256(contractDetails.getCode()));
                worldState.put(hash, accountState);
                if (logger.isDebugEnabled()) {
                    logger.debug("update: [{}],nonce: [{}] balance: [{}] \n [{}]", Hex.toHexString(hash.getData()), accountState.getNonce(), accountState.getBalance(), contractDetails.getStorage());
                }
            }
        }
    }
    stateCache.clear();
    detailsCache.clear();
}