io.nuls.core.tools.crypto.Hex.decode()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中io.nuls.core.tools.crypto.Hex.decode()方法的一些代码示例，展示了Hex.decode()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hex.decode()方法的具体详情如下：
包路径：io.nuls.core.tools.crypto.Hex
类名称：Hex
方法名：decode

Hex.decode介绍

[英]对16进制编码的字符串进行解码。
[中]对16进制编码的字符串进行解码。

代码示例

代码示例来源：origin: nuls-io/nuls

@Override
  public int compare(String k1, String k2) {
    return comparator.compare(Hex.decode(k1), Hex.decode(k2));
  }
};

代码示例来源：origin: nuls-io/nuls

public void addPubkeys(List<String> pubkeys) {
  this.pubKeyList = new ArrayList<>();
  for (String pubkeyStr : pubkeys) {
    pubKeyList.add(Hex.decode(pubkeyStr));
  }
}

代码示例来源：origin: nuls-io/nuls

public static String sha3(String src) {
  if(src == null || src.length() == 0) {
    return null;
  }
  try {
    byte[] bytes = Hex.decode(src);
    return sha3(bytes);
  } catch (Exception e) {
    return null;
  }
}

代码示例来源：origin: nuls-io/nuls

/**
 * Creates a new instance that wraps the given hash value (represented as a hex string).
 *
 * @param hexString a hash value represented as a hex string
 * @return a new instance
 * @throws IllegalArgumentException if the given string is not a valid
 *         hex string, or if it does not represent exactly 32 bytes
 */
public static Sha256Hash wrap(String hexString) {
  return wrap(Hex.decode(hexString));
}

代码示例来源：origin: nuls-io/nuls

@Deprecated
public Sha256Hash(String hexString) {
  Util.checkState(hexString.length() == LENGTH * 2);
  this.bytes = Hex.decode(hexString);
}

代码示例来源：origin: nuls-io/nuls

public static String keccak(String src) {
  if(src == null || src.length() == 0) {
    return null;
  }
  try {
    byte[] bytes = Hex.decode(src);
    return keccak(bytes);
  } catch (Exception e) {
    return null;
  }
}

代码示例来源：origin: nuls-io/nuls

private byte[] getGenesisPubkey() {
    return ECKey.fromPrivate(new BigInteger(1, Hex.decode(priKey))).getPubKey();
  }
}

代码示例来源：origin: nuls-io/nuls

public static NulsDigestData fromDigestHex(String hex) throws NulsException {
  byte[] bytes = Hex.decode(hex);
  NulsDigestData hash = new NulsDigestData();
  hash.parse(bytes, 0);
  return hash;
}

代码示例来源：origin: nuls-io/nuls

private NulsSignData signature(byte[] bytes) throws NulsException {
  AccountService service = NulsContext.getServiceBean(AccountService.class);
  return service.signDigest(bytes, ECKey.fromPrivate(new BigInteger(1, Hex.decode(priKey))));
}

代码示例来源：origin: nuls-io/nuls

public AccountKeyStore toAccountKeyStore() {
  AccountKeyStore accountKeyStore = new AccountKeyStore();
  accountKeyStore.setAddress(this.address);
  accountKeyStore.setAlias(this.alias);
  accountKeyStore.setEncryptedPrivateKey(this.encryptedPrivateKey);
  if (null == this.prikey || "null".toUpperCase().equals(this.prikey.trim().toUpperCase()) || "".equals(prikey.trim())) {
    accountKeyStore.setPrikey(null);
  } else {
    try {
      accountKeyStore.setPrikey(Hex.decode(this.prikey.trim()));
    } catch (Exception e) {
      accountKeyStore.setPrikey(null);
    }
  }
  accountKeyStore.setPubKey(Hex.decode(this.pubKey));
  return accountKeyStore;
}

代码示例来源：origin: nuls-io/nuls

/**
 * Creates a program that requires at least N of the given keys to sign, using OP_CHECKMULTISIG.
 * 根据多个公钥创建多重签名的OutputScript/scriptPublicKry
 */
public static Script createNulsMultiSigOutputScript(int threshold, List<String> pubkeys) {
  checkArgument(threshold > 0);
  checkArgument(threshold <= pubkeys.size());
  checkArgument(pubkeys.size() <= 16);  // That's the max we can represent with a single opcode.这是我们可以用一个操作码来表示的最大值
  ScriptBuilder builder = new ScriptBuilder();
  builder.smallNum(threshold);
  for (String pubKey : pubkeys) {
    builder.data(Hex.decode(pubKey));
  }
  builder.smallNum(pubkeys.size());
  builder.op(OP_CHECKMULTISIG);
  return builder.build();
}

代码示例来源：origin: nuls-io/nuls

@POST
@Path("/constructor")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "获取智能合约构造函数")
@ApiResponses(value = {
    @ApiResponse(code = 200, message = "success", response = ContractInfoDto.class)
})
public RpcClientResult contractConstructor(@ApiParam(name = "createForm", value = "创建智能合约", required = true) ContractCode code) {
  if (code == null) {
    return Result.getFailed(ContractErrorCode.NULL_PARAMETER).toRpcClientResult();
  }
  String contractCode = code.getContractCode();
  if(StringUtils.isBlank(contractCode)) {
    return Result.getFailed(ContractErrorCode.NULL_PARAMETER).toRpcClientResult();
  }
  byte[] contractCodeBytes = Hex.decode(contractCode);
  ContractInfoDto contractInfoDto = vmHelper.getConstructor(contractCodeBytes);
  if(contractInfoDto == null || contractInfoDto.getConstructor() == null) {
    return Result.getFailed(ContractErrorCode.ILLEGAL_CONTRACT).toRpcClientResult();
  }
  Map<String, Object> resultMap = MapUtil.createLinkedHashMap(2);
  resultMap.put("constructor", contractInfoDto.getConstructor());
  resultMap.put("isNrc20", contractInfoDto.isNrc20());
  return Result.getSuccess().setData(resultMap).toRpcClientResult();
}

代码示例来源：origin: nuls-io/nuls

@POST
@Path("/transaction/broadcast")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "广播交易", notes = "result.data: resultJson 返回交易对象")
@ApiResponses(value = {
    @ApiResponse(code = 200, message = "success")
})
public RpcClientResult broadcast(@ApiParam(name = "form", value = "交易信息", required = true) BroadHexTxForm form) {
  if (StringUtils.isBlank(form.getTxHex())) {
    return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
  }
  try {
    byte[] data = Hex.decode(form.getTxHex());
    Transaction tx = TransactionManager.getInstance(new NulsByteBuffer(data));
    Result result = accountLedgerService.broadcast(tx);
    if (result.isSuccess()) {
      Map<String, Object> map = new HashMap<>();
      map.put("value", tx.getHash().getDigestHex());
      result.setData(map);
    }
    return result.toRpcClientResult();
  } catch (Exception e) {
    Log.error(e);
    return Result.getFailed(LedgerErrorCode.DATA_PARSE_ERROR).toRpcClientResult();
  }
}

代码示例来源：origin: nuls-io/nuls

@POST
@Path("/validate/create")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "验证创建智能合约")
@ApiResponses(value = {
    @ApiResponse(code = 200, message = "success")
})
public RpcClientResult validateCreateContract(@ApiParam(name = "validateCreateForm", value = "验证创建智能合约", required = true) ContractValidateCreate create) {
  if (create == null || create.getGasLimit() < 0 || create.getPrice() < 0) {
    return Result.getFailed(ContractErrorCode.PARAMETER_ERROR).toRpcClientResult();
  }
  String contractCode = create.getContractCode();
  if(StringUtils.isBlank(contractCode)) {
    return Result.getFailed(ContractErrorCode.NULL_PARAMETER).toRpcClientResult();
  }
  byte[] contractCodeBytes = Hex.decode(contractCode);
  ProgramMethod method = vmHelper.getMethodInfoByCode(ContractConstant.CONTRACT_CONSTRUCTOR, null, contractCodeBytes);
  String[][] args = null;
  if(method != null) {
    args = create.getArgs(method.argsType2Array());
  }
  return contractTxService.validateContractCreateTx(
      create.getGasLimit(),
      create.getPrice(),
      contractCodeBytes,
      args).toRpcClientResult();
}

代码示例来源：origin: nuls-io/nuls

@Override
  public Result getSignatureType(List<String> utxoList) {
    //获取utxo中的tx_hash和index,根据tx_hash和index找到utxo，根据utxo的类型获取签名类型
    byte signType = 0;
    for (String utxo : utxoList) {
      if ((signType & 0x01) == 0x01 && (signType & 0x02) == 0x02) {
        break;
      }
      byte[] owner = Hex.decode(utxo);
      Coin coin = ledgerService.getUtxo(owner);
      if (coin == null) {
        continue;
      }
      if (signType != 3) {
        if ((signType & 0x01) == 0 && coin.getOwner().length == 23) {
          signType = (byte) (signType | 0x01);
        } else if ((signType & 0x02) == 0 && coin.getTempOwner().length != 23) {
          signType = (byte) (signType | 0x02);
        }
      }
    }
    return Result.getSuccess().setData(signType);
  }
}

代码示例来源：origin: nuls-io/nuls

@Override
public Result<Address> getAddress(String pubKey) {
  AssertUtil.canNotEmpty(pubKey, "");
  try {
    Address address = AccountTool.newAddress(ECKey.fromPublicOnly(Hex.decode(pubKey)));
    return Result.getSuccess().setData(address);
  } catch (NulsException e) {
    Log.error(e);
    return Result.getFailed(AccountErrorCode.PARAMETER_ERROR);
  }
}

代码示例来源：origin: nuls-io/nuls

@POST
@Path("/transaction/validate")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "验证交易是否正确", notes = "result.data: resultJson 返回验证结果")
@ApiResponses(value = {
    @ApiResponse(code = 200, message = "success")
})
public RpcClientResult validate(@ApiParam(name = "form", value = "验证交易是否正确", required = true) BroadHexTxForm form) {
  if (StringUtils.isBlank(form.getTxHex())) {
    return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
  }
  try {
    byte[] data = Hex.decode(form.getTxHex());
    Transaction tx = TransactionManager.getInstance(new NulsByteBuffer(data));
    ValidateResult validateResult = tx.verify();
    if (validateResult.isFailed()) {
      return Result.getFailed(validateResult.getErrorCode()).toRpcClientResult();
    }
    validateResult = this.ledgerService.verifyCoinData(tx, new HashMap<>(), new HashSet<>());
    if (validateResult.isFailed()) {
      return Result.getFailed(validateResult.getErrorCode()).toRpcClientResult();
    }
    Result result = Result.getSuccess();
    return result.toRpcClientResult();
  } catch (Exception e) {
    Log.error(e);
    return Result.getFailed(LedgerErrorCode.DATA_PARSE_ERROR).toRpcClientResult();
  }
}

代码示例来源：origin: nuls-io/nuls

public static byte[] getStateRoot(BlockHeader blockHeader) {
  if (blockHeader == null || blockHeader.getExtend() == null) {
    return null;
  }
  byte[] stateRoot = blockHeader.getStateRoot();
  if (stateRoot != null && stateRoot.length > 0) {
    return stateRoot;
  }
  try {
    BlockExtendsData extendsData = new BlockExtendsData(blockHeader.getExtend());
    stateRoot = extendsData.getStateRoot();
    if ((stateRoot == null || stateRoot.length == 0) && NulsContext.MAIN_NET_VERSION > 1) {
      stateRoot = Hex.decode(NulsContext.INITIAL_STATE_ROOT);
    }
    blockHeader.setStateRoot(stateRoot);
    return stateRoot;
  } catch (Exception e) {
    Log.error("parse stateRoot of blockHeader error.", e);
    return null;
  }
}

代码示例来源：origin: nuls-io/nuls

public static Coin convertCoin(InputDto utxo) {
  Coin coin = new Coin();
  byte[] txHashBytes = Hex.decode(utxo.getFromHash());
  coin.setOwner(ArraysTool.concatenate(txHashBytes, new VarInt(utxo.getFromIndex()).encode()));
  coin.setLockTime(utxo.getLockTime());
  coin.setNa(Na.valueOf(utxo.getValue()));
  coin.setTempOwner(AddressTool.getAddress(utxo.getAddress()));
  return coin;
}

代码示例来源：origin: nuls-io/nuls

public static Account createAccount(String prikey) throws NulsException {
  ECKey key = null;
  if (StringUtils.isBlank(prikey)) {
    key = new ECKey();
  } else {
    try {
      key = ECKey.fromPrivate(new BigInteger(1, Hex.decode(prikey)));
    } catch (Exception e) {
      throw new NulsException(AccountErrorCode.PRIVATE_KEY_WRONG, e);
    }
  }
  Address address = new Address(NulsContext.getInstance().getDefaultChainId(), NulsContext.DEFAULT_ADDRESS_TYPE, SerializeUtils.sha256hash160(key.getPubKey()));
  Account account = new Account();
  account.setEncryptedPriKey(new byte[0]);
  account.setAddress(address);
  account.setPubKey(key.getPubKey());
  account.setEcKey(key);
  account.setPriKey(key.getPrivKeyBytes());
  account.setCreateTime(TimeService.currentTimeMillis());
  return account;
}

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