Examples with Account io.nuls.account.model.Account used on opensource projects

Example 46 with Account

use of io.nuls.account.model.Account in project nuls by nuls-io.

the class ContractTxServiceImpl method contractPreCreateTx.

/**
 * 预创建生成智能合约的交易
 * 用于测试合约是否能正确创建
 *
 * @param sender       交易创建者
 * @param gasLimit     最大gas消耗
 * @param price        执行合约单价
 * @param contractCode 合约代码
 * @param args         参数列表
 * @param password     账户密码
 * @param remark       备注
 * @return
 */
@Override
public Result contractPreCreateTx(String sender, Long gasLimit, Long price, byte[] contractCode, String[][] args, String password, String remark) {
    try {
        AssertUtil.canNotEmpty(sender, "the sender address can not be empty");
        AssertUtil.canNotEmpty(contractCode, "the contractCode can not be empty");
        Na value = Na.ZERO;
        Result<Account> accountResult = accountService.getAccount(sender);
        if (accountResult.isFailed()) {
            return accountResult;
        }
        // 生成一个地址作为智能合约地址
        Address contractAddress = AccountTool.createContractAddress();
        byte[] contractAddressBytes = contractAddress.getAddressBytes();
        byte[] senderBytes = AddressTool.getAddress(sender);
        CreateContractTransaction tx = new CreateContractTransaction();
        if (StringUtils.isNotBlank(remark)) {
            try {
                tx.setRemark(remark.getBytes(NulsConfig.DEFAULT_ENCODING));
            } catch (UnsupportedEncodingException e) {
                Log.error(e);
                throw new RuntimeException(e);
            }
        }
        tx.setTime(TimeService.currentTimeMillis());
        // 计算CoinData
        /*
             * 智能合约计算手续费以消耗的Gas*Price为根据，然而创建交易时并不执行智能合约，
             * 所以此时交易的CoinData是不固定的，比实际要多，
             * 打包时执行智能合约，真实的手续费已算出，然而tx的手续费已扣除，
             * 多扣除的费用会以CoinBase交易还给Sender
             */
        CoinData coinData = new CoinData();
        // 向智能合约账户转账
        if (!Na.ZERO.equals(value)) {
            Coin toCoin = new Coin(contractAddressBytes, value);
            coinData.getTo().add(toCoin);
        }
        BlockHeader blockHeader = NulsContext.getInstance().getBestBlock().getHeader();
        // 当前区块高度
        long blockHeight = blockHeader.getHeight();
        // 当前区块状态根
        byte[] prevStateRoot = ContractUtil.getStateRoot(blockHeader);
        AssertUtil.canNotEmpty(prevStateRoot, "All features of the smart contract are locked.");
        // 执行VM验证合法性
        ProgramCreate programCreate = new ProgramCreate();
        programCreate.setContractAddress(contractAddressBytes);
        programCreate.setSender(senderBytes);
        programCreate.setValue(BigInteger.valueOf(value.getValue()));
        programCreate.setPrice(price.longValue());
        programCreate.setGasLimit(gasLimit.longValue());
        programCreate.setNumber(blockHeight);
        programCreate.setContractCode(contractCode);
        if (args != null) {
            programCreate.setArgs(args);
        }
        ProgramExecutor track = programExecutor.begin(prevStateRoot);
        // 验证合约时跳过Gas验证
        long realGasLimit = programCreate.getGasLimit();
        programCreate.setGasLimit(MAX_GASLIMIT);
        ProgramResult programResult = track.create(programCreate);
        // 执行结果失败时，交易直接返回错误，不上链，不消耗Gas，
        if (!programResult.isSuccess()) {
            Log.error(programResult.getStackTrace());
            Result result = Result.getFailed(ContractErrorCode.DATA_ERROR);
            result.setMsg(ContractUtil.simplifyErrorMsg(programResult.getErrorMessage()));
            result = checkVmResultAndReturn(programResult.getErrorMessage(), result);
            return result;
        } else {
            // 其他合法性都通过后，再验证Gas
            track = programExecutor.begin(prevStateRoot);
            programCreate.setGasLimit(realGasLimit);
            programResult = track.create(programCreate);
            if (!programResult.isSuccess()) {
                Log.error(programResult.getStackTrace());
                Result result = Result.getFailed(ContractErrorCode.DATA_ERROR);
                result.setMsg(ContractUtil.simplifyErrorMsg(programResult.getErrorMessage()));
                return result;
            }
        }
        long gasUsed = gasLimit.longValue();
        Na imputedNa = Na.valueOf(LongUtils.mul(gasUsed, price));
        // 总花费
        Na totalNa = imputedNa.add(value);
        // 组装txData
        CreateContractData createContractData = new CreateContractData();
        createContractData.setSender(senderBytes);
        createContractData.setContractAddress(contractAddressBytes);
        createContractData.setValue(value.getValue());
        createContractData.setGasLimit(gasLimit);
        createContractData.setPrice(price);
        createContractData.setCodeLen(contractCode.length);
        createContractData.setCode(contractCode);
        if (args != null) {
            createContractData.setArgsCount((byte) args.length);
            if (args.length > 0) {
                createContractData.setArgs(args);
            }
        }
        tx.setTxData(createContractData);
        CoinDataResult coinDataResult = accountLedgerService.getCoinData(senderBytes, totalNa, tx.size(), TransactionFeeCalculator.MIN_PRICE_PRE_1024_BYTES);
        if (!coinDataResult.isEnough()) {
            return Result.getFailed(TransactionErrorCode.INSUFFICIENT_BALANCE);
        }
        return Result.getSuccess();
    } catch (NulsException e) {
        Log.error(e);
        return Result.getFailed(e.getErrorCode());
    } catch (Exception e) {
        Log.error(e);
        Result result = Result.getFailed(ContractErrorCode.CONTRACT_TX_CREATE_ERROR);
        result.setMsg(e.getMessage());
        return result;
    }
}

Example 47 with Account

use of io.nuls.account.model.Account in project nuls by nuls-io.

the class ContractTxServiceImpl method transferFee.

@Override
public Result transferFee(String sender, Na value, Long gasLimit, Long price, String contractAddress, String methodName, String methodDesc, String[][] args, String remark) {
    try {
        AssertUtil.canNotEmpty(sender, "the sender address can not be empty");
        AssertUtil.canNotEmpty(contractAddress, "the contractAddress can not be empty");
        AssertUtil.canNotEmpty(methodName, "the methodName can not be empty");
        if (value == null) {
            value = Na.ZERO;
        }
        Result<Account> accountResult = accountService.getAccount(sender);
        if (accountResult.isFailed()) {
            return accountResult;
        }
        byte[] senderBytes = AddressTool.getAddress(sender);
        byte[] contractAddressBytes = AddressTool.getAddress(contractAddress);
        BlockHeader blockHeader = NulsContext.getInstance().getBestBlock().getHeader();
        // 当前区块状态根
        byte[] prevStateRoot = ContractUtil.getStateRoot(blockHeader);
        AssertUtil.canNotEmpty(prevStateRoot, "All features of the smart contract are locked.");
        CallContractTransaction tx = new CallContractTransaction();
        if (StringUtils.isNotBlank(remark)) {
            try {
                tx.setRemark(remark.getBytes(NulsConfig.DEFAULT_ENCODING));
            } catch (UnsupportedEncodingException e) {
                Log.error(e);
                throw new RuntimeException(e);
            }
        }
        tx.setTime(TimeService.currentTimeMillis());
        CoinData coinData = new CoinData();
        // 向智能合约账户转账
        if (!Na.ZERO.equals(value)) {
            Coin toCoin = new Coin(contractAddressBytes, value);
            coinData.getTo().add(toCoin);
        }
        long gasUsed = gasLimit.longValue();
        Na imputedGasUsedNa = Na.valueOf(LongUtils.mul(gasUsed, price));
        // 总花费
        Na totalNa = imputedGasUsedNa.add(value);
        // 组装txData
        CallContractData callContractData = new CallContractData();
        callContractData.setContractAddress(contractAddressBytes);
        callContractData.setSender(senderBytes);
        callContractData.setValue(value.getValue());
        callContractData.setPrice(price.longValue());
        callContractData.setGasLimit(gasLimit.longValue());
        callContractData.setMethodName(methodName);
        callContractData.setMethodDesc(methodDesc);
        if (args != null) {
            callContractData.setArgsCount((byte) args.length);
            callContractData.setArgs(args);
        }
        tx.setTxData(callContractData);
        Na fee = accountLedgerService.getTxFee(senderBytes, totalNa, tx.size() + coinData.size(), TransactionFeeCalculator.MIN_PRICE_PRE_1024_BYTES);
        fee = fee.add(imputedGasUsedNa);
        return Result.getSuccess().setData(new Object[] { fee, tx });
    } catch (Exception e) {
        Log.error(e);
        Result result = Result.getFailed(ContractErrorCode.SYS_UNKOWN_EXCEPTION);
        result.setMsg(e.getMessage());
        return result;
    }
}

Example 48 with Account

use of io.nuls.account.model.Account in project nuls by nuls-io.

the class PocRewardCacheService method initCache.

public void initCache() {
    Collection<Account> accountList = accountService.getAccountList().getData();
    if (null == accountList || accountList.isEmpty()) {
        return;
    }
    long startTime = TimeService.currentTimeMillis() - 24 * 3600000L;
    long startHeight = NulsContext.getInstance().getBestHeight() - (24 * 3600 / ProtocolConstant.BLOCK_TIME_INTERVAL_SECOND);
    if (startHeight <= 0) {
        startHeight = 1;
    }
    long index = startHeight;
    while (true) {
        Block block = blockService.getBlock(index++).getData();
        if (null == block) {
            break;
        }
        if (block.getHeader().getHeight() < 1) {
            break;
        }
        if (block.getHeader().getTime() < startTime) {
            continue;
        }
        this.addBlock(block);
    }
    // 本地账户的历史收益累计
    for (Account account : accountList) {
        List<TransactionInfo> list = accountLedgerService.getTxInfoList(account.getAddress().getAddressBytes()).getData();
        if (list == null || list.isEmpty()) {
            continue;
        }
        calcRewardHistory(account.getAddress().getBase58(), list, startHeight);
    }
    long totalValue = ledgerService.getWholeUTXO();
    this.totalRewardHeight = NulsContext.getInstance().getBestHeight();
    this.totalReward = Na.valueOf(totalValue - Na.MAX_NA_VALUE);
}

Example 49 with Account

use of io.nuls.account.model.Account in project nuls by nuls-io.

the class MeetingRound method calcLocalPacker.

public void calcLocalPacker(Collection<Account> accountList) {
    for (Account account : accountList) {
        if (account.isEncrypted()) {
            continue;
        }
        MeetingMember member = getMember(account.getAddress().getAddressBytes());
        if (null != member) {
            this.localPacker = account;
            myMember = member;
            return;
        }
    }
}

Example 50 with Account

use of io.nuls.account.model.Account in project nuls by nuls-io.

the class AliasService method saveAlias.

/**
 * 保存别名(全网)
 * 1.保存别名alias至数据库
 * 2.从数据库取出对应的account账户,将别名设置进account然后保存至数据库
 * 3.将修改后的account重新进行缓存
 * saveAlias
 * 1. Save the alias to the database.
 * 2. Take the corresponding account from the database, set the alias to account and save it to the database.
 * 3. Re-cache the modified account.
 */
public Result saveAlias(AliasPo aliaspo) throws NulsException {
    try {
        Result result = aliasStorageService.saveAlias(aliaspo);
        if (result.isFailed()) {
            this.rollbackAlias(aliaspo);
        }
        AccountPo po = accountStorageService.getAccount(aliaspo.getAddress()).getData();
        if (null != po) {
            po.setAlias(aliaspo.getAlias());
            Result resultAcc = accountStorageService.updateAccount(po);
            if (resultAcc.isFailed()) {
                this.rollbackAlias(aliaspo);
            }
            Account account = po.toAccount();
            accountCacheService.localAccountMaps.put(account.getAddress().getBase58(), account);
        }
    } catch (Exception e) {
        this.rollbackAlias(aliaspo);
        Log.error(e);
        return Result.getFailed(AccountErrorCode.FAILED);
    }
    return Result.getSuccess().setData(true);
}