Examples with ContractException com.jd.blockchain.contract.ContractException used on opensource projects

Example 1 with ContractException

use of com.jd.blockchain.contract.ContractException in project jdchain-core by blockchain-jd-com.

the class ContractCodeDeployOperationHandle method doProcess.

@Override
protected void doProcess(ContractCodeDeployOperation op, LedgerTransactionContext transactionContext, TransactionRequestExtension requestContext, LedgerQuery ledger, OperationHandleContext handleContext, EventManager manager) {
    // TODO: 请求者应该提供合约账户的公钥签名，以确保注册人对注册的地址和公钥具有合法的使用权；
    // 权限校验；
    SecurityPolicy securityPolicy = SecurityContext.getContextUsersPolicy();
    securityPolicy.checkEndpointPermission(LedgerPermission.UPGRADE_CONTRACT, MultiIDsPolicy.AT_LEAST_ONE);
    // 校验合约内容
    byte[] chainCode = op.getChainCode();
    if (chainCode == null || chainCode.length == 0) {
        throw new ContractException(String.format("Contract[%s] content is empty !!!", op.getContractID().getAddress().toBase58()));
    }
    if (chainCode.length > MAX_SIZE_OF_CONTRACT) {
        throw new ContractException(String.format("Contract[%s] content is great than the max size[%s]!", op.getContractID().getAddress().toBase58(), MAX_SIZE_OF_CONTRACT));
    }
    // 校验合约代码，不通过会抛出异常
    try {
        if ((null == op.getLang() || op.getLang().equals(ContractLang.Java)) && !CONTRACT_PROCESSOR.verify(chainCode)) {
            throw new ContractException(String.format("Contract[%s] verify fail !!!", op.getContractID().getAddress().toBase58()));
        }
    } catch (Exception e) {
        throw new ContractException(String.format("Contract[%s] verify fail !!!", op.getContractID().getAddress().toBase58()));
    }
    // 校验合约状态
    ContractAccount contract = transactionContext.getDataset().getContractAccountSet().getAccount(op.getContractID().getAddress());
    if (null != contract && contract.getState() != AccountState.NORMAL) {
        throw new IllegalTransactionException("Can not change contract[" + contract.getAddress() + "] in " + contract.getState() + " state.");
    }
    // chainCodeVersion != null? then use it;
    long contractVersion = op.getChainCodeVersion();
    if (contractVersion != -1L) {
        long rst = 0;
        rst = ((ContractAccountSetEditor) (transactionContext.getDataset().getContractAccountSet())).update(op.getContractID().getAddress(), op.getChainCode(), contractVersion, op.getLang());
        if (rst < 0) {
            throw new ContractVersionConflictException();
        }
    } else {
        ContractAccount account = ((ContractAccountSetEditor) (transactionContext.getDataset().getContractAccountSet())).deploy(op.getContractID().getAddress(), op.getContractID().getPubKey(), op.getAddressSignature(), op.getChainCode(), op.getLang());
        LOGGER.info("Update contract {}:{}", account.getAddress().toString(), account.getChainCodeVersion());
        account.setPermission(new AccountDataPermission(AccountType.CONTRACT, requestContext.getEndpointAddresses().toArray(new Bytes[0])));
    }
}

Example 2 with ContractException

use of com.jd.blockchain.contract.ContractException in project jdchain-core by blockchain-jd-com.

the class LedgerQueryController method getDataEntries.

@RequestMapping(method = { RequestMethod.GET, RequestMethod.POST }, path = GET_KV_VERSION_LIST)
@Override
public TypedKVEntry[] getDataEntries(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "address") String address, @RequestBody KVInfoVO kvInfoVO) {
    // parse kvInfoVO;
    List<String> keyList = new ArrayList<>();
    List<Long> versionList = new ArrayList<>();
    if (kvInfoVO != null) {
        for (KVDataVO kvDataVO : kvInfoVO.getData()) {
            for (Long version : kvDataVO.getVersion()) {
                keyList.add(kvDataVO.getKey());
                versionList.add(version);
            }
        }
    }
    String[] keys = keyList.toArray(new String[keyList.size()]);
    Long[] versions = versionList.toArray(new Long[versionList.size()]);
    if (keys == null || keys.length == 0) {
        return null;
    }
    if (versions == null || versions.length == 0) {
        return null;
    }
    if (keys.length != versions.length) {
        throw new ContractException("keys.length!=versions.length!");
    }
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    DataAccount dataAccount = dataAccountSet.getAccount(Bytes.fromBase58(address));
    if (dataAccount == null) {
        return null;
    }
    TypedKVEntry[] entries = new TypedKVEntry[keys.length];
    long ver = -1;
    for (int i = 0; i < entries.length; i++) {
        // ver = dataAccount.getDataVersion(Bytes.fromString(keys[i]));
        ver = versions[i];
        if (ver < 0) {
            entries[i] = new TypedKVData(keys[i], -1, null);
        } else {
            if (dataAccount.getDataset().getDataCount() == 0 || dataAccount.getDataset().getValue(keys[i], ver) == null) {
                // is the address is not exist; the result is null;
                entries[i] = new TypedKVData(keys[i], -1, null);
            } else {
                BytesValue value = dataAccount.getDataset().getValue(keys[i], ver);
                entries[i] = new TypedKVData(keys[i], ver, value);
            }
        }
    }
    return entries;
}

Example 3 with ContractException

use of com.jd.blockchain.contract.ContractException in project jdchain-core by blockchain-jd-com.

the class InstantiatedContractCode method doProcessEvent.

@Override
protected BytesValue doProcessEvent(Object contractInstance, ContractEventContext eventContext) {
    // 反序列化参数；
    Method handleMethod = contractDefinition.getType().getHandleMethod(eventContext.getEvent());
    if (handleMethod == null) {
        throw new ContractException(String.format("Contract[%s:%s] has no handle method to handle event[%s]!", getAddress().toString(), contractDefinition.getType().getName(), eventContext.getEvent()));
    }
    BytesValueList bytesValues = eventContext.getArgs();
    Object[] args = BytesValueEncoding.decode(bytesValues, handleMethod.getParameterTypes());
    return BytesValueEncoding.encodeSingle(ReflectionUtils.invokeMethod(handleMethod, contractInstance, args), handleMethod.getReturnType());
}