public static byte[] ToAddress(Transaction.Types.Contract contract)
{
ByteString result = null;
try
{
Any contract_parameter = contract.Parameter;
switch (contract.Type)
{
case ContractType.TransferContract:
result = contract_parameter.Unpack <TransferContract>().ToAddress;
break;
case ContractType.TransferAssetContract:
result = contract_parameter.Unpack <TransferAssetContract>().ToAddress;
break;
case ContractType.ParticipateAssetIssueContract:
result = contract_parameter.Unpack <ParticipateAssetIssueContract>().ToAddress;
break;
}
}
catch (System.Exception e)
{
Logger.Error(e.Message);
}
return(result?.ToByteArray());
}
public static long GetCallTokenValue(Transaction.Types.Contract contract)
{
long result = 0;
try
{
Any contract_parameter = contract.Parameter;
switch (contract.Type)
{
case ContractType.TriggerSmartContract:
result = contract_parameter.Unpack <TriggerSmartContract>().CallTokenValue;
break;
case ContractType.CreateSmartContract:
result = contract_parameter.Unpack <CreateSmartContract>().CallTokenValue;
break;
}
}
catch (System.Exception e)
{
Logger.Error(e.Message);
}
return(result);
}
private Transaction CreateTransaction(Wallet.WalletClient wallet, byte[] fromBytes, byte[] toBytes, long amount)
{
Transaction transactionBuilder = new Transaction();
Block newestBlock = wallet.GetNowBlockAsync(GetEmptyMessage).GetAwaiter().GetResult();
Transaction.Types.Contract contractBuilder = new Transaction.Types.Contract();
TransferContract transferContractBuilder = new TransferContract();
transferContractBuilder.Amount = amount;
transferContractBuilder.ToAddress = ByteString.CopyFrom(toBytes);
transferContractBuilder.OwnerAddress = ByteString.CopyFrom(fromBytes);
try
{
Any any = Any.Pack(transferContractBuilder.Clone());
contractBuilder.Parameter = any;
}
catch (Exception)
{
return(null);
}
contractBuilder.Type = Transaction.Types.Contract.Types.ContractType.TransferContract;
transactionBuilder.RawData = new Transaction.Types.raw();
transactionBuilder.RawData.Contract.Add(contractBuilder);
transactionBuilder.RawData.Timestamp = DateTimeOffset.Now.ToUnixTimeMilliseconds();
transactionBuilder.RawData.Expiration = newestBlock.BlockHeader.RawData.Timestamp + 10 * 60 * 60 * 1000;
Transaction transaction = transactionBuilder.Clone();
var refTransaction = SetReference(transaction, newestBlock);
return(refTransaction);
}
public void AddSignature(byte[] privatekey, AccountStore account_store)
{
Transaction.Types.Contract contract = this.transaction.RawData.Contract[0];
byte[] owner = GetOwner(contract);
int permission_id = contract.PermissionId;
AccountCapsule account = account_store.Get(owner);
if (account == null)
{
throw new PermissionException("Account is not exist.");
}
Permission permission = account.GetPermissionById(permission_id);
if (permission == null)
{
throw new PermissionException("Permission is not exist");
}
if (permission_id != 0)
{
if (permission.Type != Permission.Types.PermissionType.Active)
{
throw new PermissionException("Permission type is error");
}
if (Wallet.CheckPermissionOperations(permission, contract))
{
throw new PermissionException("Invalid permission");
}
}
List <ByteString> approves = new List <ByteString>();
ECKey ec_key = ECKey.FromPrivateKey(privatekey);
byte[] address = Wallet.PublickKeyToAddress(ec_key.PublicKey);
if (this.transaction.Signature.Count > 0)
{
CheckWeight(permission, new List <ByteString>(this.transaction.Signature), this.GetRawHash().Hash, approves);
if (approves.Contains(ByteString.CopyFrom(address)))
{
throw new PermissionException(Wallet.AddressToBase58(address) + "had signed!");
}
}
long weight = GetWeight(permission, address);
if (weight == 0)
{
throw new PermissionException(
privatekey.ToHexString() + " address is " +
Wallet.AddressToBase58(address) + "but it is not contained of permission.");
}
ECDSASignature signature = ec_key.Sign(this.GetRawHash().Hash);
this.transaction.Signature.Add(ByteString.CopyFrom(signature.ToByteArray()));
}
public void Main4Test()
{
Wallet.WalletClient wallet = GetMainNetWalletClient;
var keyTriple = new KeyTriple("B7E85CA5910922C49DCCB92EE48DFEC13A60674845CB7152C86B88F31DA6DC67");
byte[] hashTransaction1 = StringHelper.HexStringToByteArray("a7e974c6e69fb7741bf5e08de8a2d8f6617826c59422b440de22e0612b03c393");
BytesMessage bytesMessage1 = new BytesMessage();
bytesMessage1.Value = ByteString.CopyFrom(hashTransaction1);
Transaction transactionLoad1 = wallet.GetTransactionByIdAsync(bytesMessage1).GetAwaiter().GetResult();
Transaction.Types.Contract contract = transactionLoad1.RawData.Contract[0];
TransferContract transferContract = TransferContract.Parser.ParseFrom(contract.Parameter.Value.ToByteArray());
byte[] publicKeyOwner = transferContract.OwnerAddress.ToByteArray();
string encode = Base58.Encode(publicKeyOwner);
byte[] transactionRaw = transactionLoad1.RawData.ToByteArray();
byte[] hash = Sha256.Hash(transactionRaw);
string signBase64 = transactionLoad1.Signature[0].ToBase64();
byte[] byteArray = transactionLoad1.Signature[0].ToByteArray();
bool isSignatureValidFromBytes = new ECSigner().IsSignatureValidFromBytes(hash, byteArray, publicKeyOwner);
}
private async Task <TransactionExtention> CreateTransactionAsync(string from, string to, long amount)
{
var fromAddress = Base58Encoder.DecodeFromBase58Check(from);
var toAddress = Base58Encoder.DecodeFromBase58Check(to);
var transferContract = new TransferContract
{
OwnerAddress = ByteString.CopyFrom(fromAddress),
ToAddress = ByteString.CopyFrom(toAddress),
Amount = amount
};
var transaction = new Transaction();
var contract = new Transaction.Types.Contract();
try
{
contract.Parameter = Google.Protobuf.WellKnownTypes.Any.Pack(transferContract);
}
catch (Exception)
{
return(new TransactionExtention
{
Result = new Return {
Result = false, Code = Return.Types.response_code.OtherError
},
});
}
var newestBlock = await _wallet.GetNowBlock2Async(new EmptyMessage());
contract.Type = Transaction.Types.Contract.Types.ContractType.TransferContract;
transaction.RawData = new Transaction.Types.raw();
transaction.RawData.Contract.Add(contract);
transaction.RawData.Timestamp = DateTime.Now.Ticks;
transaction.RawData.Expiration = newestBlock.BlockHeader.RawData.Timestamp + 10 * 60 * 60 * 1000;
var blockHeight = newestBlock.BlockHeader.RawData.Number;
var blockHash = Sha256Sm3Hash.Of(newestBlock.BlockHeader.RawData.ToByteArray()).GetBytes();
var bb = ByteBuffer.Allocate(8);
bb.PutLong(blockHeight);
var refBlockNum = bb.ToArray();
transaction.RawData.RefBlockHash = ByteString.CopyFrom(blockHash.SubArray(8, 8));
transaction.RawData.RefBlockBytes = ByteString.CopyFrom(refBlockNum.SubArray(6, 2));
var transactionExtension = new TransactionExtention
{
Transaction = transaction,
Txid = ByteString.CopyFromUtf8(transaction.GetTxid()),
Result = new Return {
Result = true, Code = Return.Types.response_code.Success
},
};
return(transactionExtension);
}
public static bool CheckPermissionOperations(Permission permission, Transaction.Types.Contract contract)
{
ByteString operations = permission.Operations;
if (operations.Length != 32)
{
throw new PermissionException("Operations size must 32 bytes");
}
int contract_type = (int)contract.Type;
return((operations[(int)(contract_type / 8)] & (1 << (contract_type % 8))) != 0);
}
public void ValidateTransactionTest()
{
Wallet.WalletClient wallet = GetMainNetWalletClient;
byte[] hashTransaction1 =
StringHelper.HexStringToByteArray("a7e974c6e69fb7741bf5e08de8a2d8f6617826c59422b440de22e0612b03c393");
BytesMessage bytesMessage1 = new BytesMessage();
bytesMessage1.Value = ByteString.CopyFrom(hashTransaction1);
Transaction signedTransaction = wallet.GetTransactionByIdAsync(bytesMessage1).GetAwaiter().GetResult();
Assert.IsTrue(signedTransaction.Signature.Count == signedTransaction.RawData.Contract.Count);
RepeatedField <Transaction.Types.Contract> listContract = signedTransaction.RawData.Contract;
byte[] hash = Sha256.Hash(signedTransaction.RawData.ToByteArray());
int count = signedTransaction.Signature.Count;
if (count == 0)
{
Assert.Fail();
}
for (int i = 0; i < count; ++i)
{
try
{
Transaction.Types.Contract contract = listContract[i];
TransferContract transferContract = TransferContract.Parser.ParseFrom(signedTransaction.RawData.Contract[i].Parameter.Value.ToByteArray());
byte[] owner = transferContract.OwnerAddress.ToByteArray();
signedTransaction.Signature[i].ToByteArray();
string signatureBase64 = Base64.ToBase64String(signedTransaction.Signature[i].ToByteArray());
byte[] address = signatureToAddress(hash, signatureBase64);
if (!Arrays.AreEqual(owner, address))
{
Assert.Fail();
}
}
catch (Exception e)
{
e.ToString();
Assert.Fail();
}
}
Assert.IsTrue(true);
}
public static bool ValidateSignature(Transaction tx, byte[] hash, DatabaseManager db_manager)
{
Permission permission = null;
AccountStore account_store = db_manager.Account;
Transaction.Types.Contract contract = tx.RawData.Contract?[0];
int permission_id = contract.PermissionId;
byte[] owner = GetOwner(contract);
AccountCapsule account = account_store.Get(owner);
if (account == null)
{
if (permission_id == 0)
{
permission = AccountCapsule.GetDefaultPermission(ByteString.CopyFrom(owner));
}
else if (permission_id == 2)
{
permission = AccountCapsule.CreateDefaultActivePermission(ByteString.CopyFrom(owner), db_manager);
}
}
else
{
permission = account.GetPermissionById(permission_id);
}
if (permission == null)
{
throw new PermissionException("Permission is not exist");
}
if (permission_id != 0)
{
if (permission.Type != Permission.Types.PermissionType.Active)
{
throw new PermissionException("Permission type is error");
}
if (!Wallet.CheckPermissionOperations(permission, contract))
{
throw new PermissionException("Invalid Permission");
}
}
return(CheckWeight(permission, new List <ByteString>(tx.Signature), hash, null) >= permission.Threshold);
}
public static Transaction createTransaction(Wallet.WalletClient wallet, byte[] from, byte[] to, long amount)
{
Transaction transactionBuilder = new Transaction();
transactionBuilder.RawData = new Transaction.Types.raw();
Block newestBlock = wallet.GetNowBlockAsync(new EmptyMessage()).GetAwaiter().GetResult();
TransferContract transferContract = new TransferContract
{
Amount = amount,
OwnerAddress = ByteString.CopyFrom(@from),
ToAddress = ByteString.CopyFrom(to)
};
// Transaction transactionNet = wallet.CreateTransactionAsync(transferContract).GetAwaiter().GetResult();
Transaction.Types.Contract contract = new Transaction.Types.Contract();
try
{
Any any = Any.Pack(transferContract);
contract.Parameter = any;
}
catch (Exception)
{
return(null);
}
contract.Type = Transaction.Types.Contract.Types.ContractType.TransferContract;
transactionBuilder.RawData.Contract.Add(contract);
transactionBuilder.RawData.Timestamp = DateTime.Now.Ticks;
transactionBuilder.RawData.Expiration = newestBlock.BlockHeader.RawData.Timestamp + 10 * 60 * 60 * 1000;
Transaction refTransaction = setReference(transactionBuilder, newestBlock);
return(refTransaction);
}
public static void ValidContractProto(Transaction.Types.Contract contract)
{
System.Type type = null;
Any contract_parameter = contract.Parameter;
Google.Protobuf.IMessage src = null;
Google.Protobuf.IMessage contract_message = null;
switch (contract.Type)
{
case ContractType.AccountCreateContract:
src = contract_parameter.Unpack <AccountCreateContract>();
contract_message = Parse <AccountCreateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.TransferContract:
src = contract_parameter.Unpack <TransferContract>();
contract_message = Parse <TransferContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.TransferAssetContract:
src = contract_parameter.Unpack <TransferAssetContract>();
contract_message = Parse <TransferAssetContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.VoteAssetContract:
src = contract_parameter.Unpack <VoteAssetContract>();
contract_message = Parse <VoteAssetContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.VoteWitnessContract:
src = contract_parameter.Unpack <VoteWitnessContract>();
contract_message = Parse <VoteWitnessContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.WitnessCreateContract:
src = contract_parameter.Unpack <WitnessCreateContract>();
contract_message = Parse <WitnessCreateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.AssetIssueContract:
src = contract_parameter.Unpack <AssetIssueContract>();
contract_message = Parse <AssetIssueContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.WitnessUpdateContract:
src = contract_parameter.Unpack <WitnessUpdateContract>();
contract_message = Parse <WitnessUpdateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ParticipateAssetIssueContract:
src = contract_parameter.Unpack <ParticipateAssetIssueContract>();
contract_message = Parse <ParticipateAssetIssueContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.AccountUpdateContract:
src = contract_parameter.Unpack <AccountUpdateContract>();
contract_message = Parse <AccountUpdateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.FreezeBalanceContract:
src = contract_parameter.Unpack <FreezeBalanceContract>();
contract_message = Parse <FreezeBalanceContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.UnfreezeBalanceContract:
src = contract_parameter.Unpack <UnfreezeBalanceContract>();
contract_message = Parse <UnfreezeBalanceContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.UnfreezeAssetContract:
src = contract_parameter.Unpack <UnfreezeAssetContract>();
contract_message = Parse <UnfreezeAssetContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.WithdrawBalanceContract:
src = contract_parameter.Unpack <WithdrawBalanceContract>();
contract_message = Parse <WithdrawBalanceContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.CreateSmartContract:
src = contract_parameter.Unpack <CreateSmartContract>();
contract_message = Parse <CreateSmartContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.TriggerSmartContract:
src = contract_parameter.Unpack <TriggerSmartContract>();
contract_message = Parse <TriggerSmartContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.UpdateAssetContract:
src = contract_parameter.Unpack <UpdateAssetContract>();
contract_message = Parse <UpdateAssetContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ProposalCreateContract:
src = contract_parameter.Unpack <ProposalCreateContract>();
contract_message = Parse <ProposalCreateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ProposalApproveContract:
src = contract_parameter.Unpack <ProposalApproveContract>();
contract_message = Parse <ProposalApproveContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ProposalDeleteContract:
src = contract_parameter.Unpack <ProposalDeleteContract>();
contract_message = Parse <ProposalDeleteContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.SetAccountIdContract:
src = contract_parameter.Unpack <SetAccountIdContract>();
contract_message = Parse <SetAccountIdContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.UpdateSettingContract:
src = contract_parameter.Unpack <UpdateSettingContract>();
contract_message = Parse <UpdateSettingContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.UpdateEnergyLimitContract:
src = contract_parameter.Unpack <UpdateEnergyLimitContract>();
contract_message = Parse <UpdateEnergyLimitContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ClearAbicontract:
src = contract_parameter.Unpack <ClearABIContract>();
contract_message = Parse <ClearABIContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ExchangeCreateContract:
src = contract_parameter.Unpack <ExchangeCreateContract>();
contract_message = Parse <ExchangeCreateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ExchangeInjectContract:
src = contract_parameter.Unpack <ExchangeInjectContract>();
contract_message = Parse <ExchangeInjectContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ExchangeWithdrawContract:
src = contract_parameter.Unpack <ExchangeWithdrawContract>();
contract_message = Parse <ExchangeWithdrawContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.ExchangeTransactionContract:
src = contract_parameter.Unpack <ExchangeTransactionContract>();
contract_message = Parse <ExchangeTransactionContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
case ContractType.AccountPermissionUpdateContract:
src = contract_parameter.Unpack <AccountPermissionUpdateContract>();
contract_message = Parse <AccountPermissionUpdateContract>(Message.GetCodedInputStream(src.ToByteArray()));
break;
default:
break;
}
if (type == null)
{
throw new P2pException(P2pException.ErrorType.PROTOBUF_ERROR, P2pException.GetDescription(P2pException.ErrorType.PROTOBUF_ERROR));
}
Message.CompareBytes(src.ToByteArray(), contract_message.ToByteArray());
}
public static byte[] GetOwner(Transaction.Types.Contract contract)
{
ByteString owner;
try
{
Any contractParameter = contract.Parameter;
switch (contract.Type)
{
case Transaction.Types.Contract.Types.ContractType.AccountCreateContract:
owner = contractParameter.Unpack <AccountCreateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.TransferContract:
owner = contractParameter.Unpack <TransferContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.TransferAssetContract:
owner = contractParameter.Unpack <TransferAssetContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.VoteAssetContract:
owner = contractParameter.Unpack <VoteAssetContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.VoteWitnessContract:
owner = contractParameter.Unpack <VoteWitnessContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.WitnessCreateContract:
owner = contractParameter.Unpack <WitnessCreateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.AssetIssueContract:
owner = contractParameter.Unpack <AssetIssueContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.WitnessUpdateContract:
owner = contractParameter.Unpack <WitnessUpdateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ParticipateAssetIssueContract:
owner = contractParameter.Unpack <ParticipateAssetIssueContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.AccountUpdateContract:
owner = contractParameter.Unpack <AccountUpdateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.FreezeBalanceContract:
owner = contractParameter.Unpack <FreezeBalanceContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.UnfreezeBalanceContract:
owner = contractParameter.Unpack <UnfreezeBalanceContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.UnfreezeAssetContract:
owner = contractParameter.Unpack <UnfreezeAssetContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.WithdrawBalanceContract:
owner = contractParameter.Unpack <WithdrawBalanceContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.CreateSmartContract:
owner = contractParameter.Unpack <CreateSmartContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.TriggerSmartContract:
owner = contractParameter.Unpack <TriggerSmartContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.UpdateAssetContract:
owner = contractParameter.Unpack <UpdateAssetContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ProposalCreateContract:
owner = contractParameter.Unpack <ProposalCreateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ProposalApproveContract:
owner = contractParameter.Unpack <ProposalApproveContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ProposalDeleteContract:
owner = contractParameter.Unpack <ProposalDeleteContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.SetAccountIdContract:
owner = contractParameter.Unpack <SetAccountIdContract>().OwnerAddress;
break;
//case Transaction.Types.Contract.Types.ContractType.BuyStorageContract:
// owner = contractParameter.Unpack<BuyStorageContract>().OwnerAddress;
// break;
//case Transaction.Types.Contract.Types.ContractType.BuyStorageBytesContract:
// owner = contractParameter.Unpack<BuyStorageBytesContract>().OwnerAddress;
// break;
//case Transaction.Types.Contract.Types.ContractType.SellStorageContract:
// owner = contractParameter.Unpack<SellStorageContract>().OwnerAddress;
// break;
case Transaction.Types.Contract.Types.ContractType.UpdateSettingContract:
owner = contractParameter.Unpack <UpdateSettingContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.UpdateEnergyLimitContract:
owner = contractParameter.Unpack <UpdateEnergyLimitContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ClearAbicontract:
owner = contractParameter.Unpack <ClearABIContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ExchangeCreateContract:
owner = contractParameter.Unpack <ExchangeCreateContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ExchangeInjectContract:
owner = contractParameter.Unpack <ExchangeInjectContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ExchangeWithdrawContract:
owner = contractParameter.Unpack <ExchangeWithdrawContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.ExchangeTransactionContract:
owner = contractParameter.Unpack <ExchangeTransactionContract>().OwnerAddress;
break;
case Transaction.Types.Contract.Types.ContractType.AccountPermissionUpdateContract:
owner = contractParameter.Unpack <AccountPermissionUpdateContract>().OwnerAddress;
break;
default:
return(null);
}
return(owner.ToByteArray());
}
catch (System.Exception e)
{
Logger.Error(e.Message);
return(null);
}
}
