Examples with DataWord org.aion.mcf.vm.types.DataWord used on opensource projects

Example 16 with DataWord

use of org.aion.mcf.vm.types.DataWord in project aion by aionnetwork.

the class AionTransactionTest method testTransactionCost2.

@Test
public void testTransactionCost2() {
    byte[] nonce = DataWord.ONE.getData();
    byte[] from = RandomUtils.nextBytes(Address.ADDRESS_LEN);
    Address to = Address.EMPTY_ADDRESS();
    byte[] value = DataWord.ONE.getData();
    byte[] data = RandomUtils.nextBytes(128);
    long nrg = new DataWord(1000L).longValue();
    long nrgPrice = DataWord.ONE.longValue();
    AionTransaction tx = new AionTransaction(nonce, to, value, data, nrg, nrgPrice);
    long expected = 200000 + 21000;
    for (byte b : data) {
        expected += (b == 0) ? 4 : 64;
    }
    assertEquals(expected, tx.transactionCost(1));
}

Example 17 with DataWord

use of org.aion.mcf.vm.types.DataWord in project aion by aionnetwork.

the class AbstractRepositoryCache method loadAccountState.

/**
 * @implNote The loaded objects are fresh copies of the locally cached
 * account state and contract details.
 */
@Override
public synchronized void loadAccountState(Address address, Map<Address, AccountState> accounts, Map<Address, IContractDetails<DataWord>> details) {
    // check if the account is cached locally
    AccountState accountState = this.cachedAccounts.get(address);
    IContractDetails<DataWord> contractDetails = this.cachedDetails.get(address);
    // when account not cached load from repository
    if (accountState == null) {
        // load directly to the caches given as parameters
        repository.loadAccountState(address, accounts, details);
    } else {
        // copy the objects if they were cached locally
        accounts.put(address, new AccountState(accountState));
        details.put(address, new ContractDetailsCacheImpl(contractDetails));
    }
}

Example 18 with DataWord

use of org.aion.mcf.vm.types.DataWord in project aion by aionnetwork.

the class ContractDetailsCacheImpl method setStorage.

@Override
public void setStorage(List<DataWord> storageKeys, List<DataWord> storageValues) {
    for (int i = 0; i < storageKeys.size(); ++i) {
        DataWord key = storageKeys.get(i);
        DataWord value = storageValues.get(i);
        if (value.isZero()) {
            storage.put(key, null);
        }
    }
}

Example 19 with DataWord

use of org.aion.mcf.vm.types.DataWord in project aion by aionnetwork.

the class ContractDetailsCacheImpl method get.

@Override
public DataWord get(DataWord key) {
    DataWord value = storage.get(key);
    if (value != null) {
        value = value.clone();
    } else {
        if (origContract == null) {
            return null;
        }
        value = origContract.get(key);
        storage.put(key.clone(), value == null ? DataWord.ZERO.clone() : value.clone());
    }
    if (value == null || value.isZero()) {
        return null;
    } else {
        return value;
    }
}

Example 20 with DataWord

use of org.aion.mcf.vm.types.DataWord in project aion by aionnetwork.

the class ApiWeb3Aion method eth_getStorageAt.

public Object eth_getStorageAt(String _address, String _storageIndex, Object _bnOrId) {
    Address address = new Address(_address);
    String bnOrId = "latest";
    if (_bnOrId != null && !_bnOrId.equals(null))
        bnOrId = _bnOrId + "";
    DataWord key = DataWord.ZERO;
    try {
        key = new DataWord(ByteUtil.hexStringToBytes(_storageIndex));
    } catch (Exception e) {
        // invalid key
        LOG.debug("eth_getStorageAt: invalid storageIndex. Must be <= 16 bytes.");
        return null;
    }
    DataWord storageValue = (DataWord) getRepoByJsonBlockId(bnOrId).getStorageValue(address, key);
    return storageValue != null ? TypeConverter.toJsonHex(storageValue.getData()) : null;
}