public string GetAccountByLockScript(string lockScript)
{
var publicKeyHash = Base16.Decode(Script.GetPublicKeyHashFromLockScript(lockScript));
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(publicKeyHash);
return(address);
}
private void getOutputsByAccountId(BlockPoolItem node, string accountId, Dictionary <string, List <OutputMsg> > dict)
{
foreach (var tx in node.Block.Transactions)
{
if (!dict.ContainsKey(tx.Hash))
{
dict.Add(tx.Hash, new List <OutputMsg>());
}
foreach (var output in tx.Outputs)
{
var publicKeyHash = Script.GetPublicKeyHashFromLockScript(output.LockScript);
var id = AccountIdHelper.CreateAccountAddressByPublicKeyHash(Base16.Decode(publicKeyHash));
if (id == accountId)
{
dict[tx.Hash].Add(output);
}
}
}
foreach (var child in node.Children)
{
getOutputsByAccountId(child, accountId, dict);
}
}
public Account GenerateNewAccount(bool isAddtoCache = true)
{
var dac = AccountDac.Default;
byte[] privateKey;
byte[] publicKey;
using (var dsa = ECDsa.GenerateNewKeyPair())
{
privateKey = dsa.PrivateKey;
publicKey = dsa.PublicKey;
}
var id = AccountIdHelper.CreateAccountAddress(publicKey);
if (dac.IsExisted(id))
{
throw new Exception("Account id is existed");
}
Account account = new Account();
account.Id = id;
account.PrivateKey = Base16.Encode(privateKey);
account.PublicKey = Base16.Encode(publicKey);
account.Balance = 0;
account.IsDefault = false;
account.WatchedOnly = false;
AccountDac.Default.Insert(account);
return(account);
}
public Dictionary <string, List <OutputMsg> > GetTransactionOutputsByAccountId(string accountId)
{
var dict = new Dictionary <string, List <OutputMsg> >();
foreach (var item in this.MainPool)
{
var tx = item.Transaction;
if (!dict.ContainsKey(tx.Hash))
{
dict.Add(tx.Hash, new List <OutputMsg>());
}
foreach (var output in tx.Outputs)
{
var publicKeyHash = Script.GetPublicKeyHashFromLockScript(output.LockScript);
var id = AccountIdHelper.CreateAccountAddressByPublicKeyHash(Base16.Decode(publicKeyHash));
if (id == accountId)
{
dict[tx.Hash].Add(output);
}
}
}
return(dict);
}
public Account GenerateWatchOnlyAddress(string publickeyText)
{
var dac = AccountDac.Default;
byte[] publickey = Base16.Decode(publickeyText);
string id = AccountIdHelper.CreateAccountAddress(publickey);
Account account = dac.SelectById(id);
if (account == null)
{
account = new Account();
account.Id = id;
account.PrivateKey = "";
account.PublicKey = publickeyText;
account.Balance = 0;
account.IsDefault = false;
account.WatchedOnly = true;
AccountDac.Default.Insert(account);
//UtxoSet.Instance.AddAccountId(account.Id);
}
return(account);
}
public Account ImportAccount(string privateKeyText)
{
var dac = AccountDac.Default;
byte[] privateKey = Base16.Decode(privateKeyText);
byte[] publicKey;
using (var dsa = ECDsa.ImportPrivateKey(privateKey))
{
publicKey = dsa.PublicKey;
}
var id = AccountIdHelper.CreateAccountAddress(publicKey);
Account account = dac.SelectById(id);
if (account == null)
{
account = new Account();
account.Id = AccountIdHelper.CreateAccountAddress(publicKey);
account.PrivateKey = Base16.Encode(privateKey);
account.PublicKey = Base16.Encode(publicKey);
account.Balance = 0;
account.IsDefault = false;
account.WatchedOnly = false;
AccountDac.Default.Insert(account);
}
return(account);
}
/// <summary>
/// 存币交易分析处理
/// </summary>
/// <param name="successBlock"></param>
private static void ProcessDepositTx(BlockMsg successBlock)
{
if (successBlock == null || successBlock.Transactions == null || !successBlock.Transactions.Any())
{
return;
}
List <DepositList> toInsert = new List <DepositList>();
successBlock.Transactions.ForEach(x =>
{
if (x.DepositTime > 0 && x.Outputs != null && x.Outputs.Any())
{
x.Outputs.ForEach(o =>
{
var receiverId = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(o.LockScript)
));
var dep = new DepositList()
{
Address = receiverId,
Amount = o.Amount,
ExpireTime = x.DepositTime,
IsExpired = x.DepositTime < Time.EpochTime ? 1:0,
TransactionHash = x.Hash
};
toInsert.Add(dep);
});
}
});
if (toInsert.Any())
{
new RewardListComponent().InsertDeposit(toInsert);
}
}
public Account ImportObservedAccount(string publicKeyText)
{
var dac = new AccountDac();
var publicKey = Base16.Decode(publicKeyText);
var id = AccountIdHelper.CreateAccountAddress(publicKey);
Account account = dac.SelectById(id);
if (account == null)
{
account = new Account();
account.Id = AccountIdHelper.CreateAccountAddress(publicKey);
account.PrivateKey = null;
account.PublicKey = Base16.Encode(publicKey);
account.Balance = 0;
account.IsDefault = false;
account.WatchedOnly = true;
dac.Insert(account);
UtxoSet.Instance.AddAccountId(account.Id);
}
return(account);
}
public List <TransactionMsg> SearchByAccountId(string accountId)
{
var publicKeyText = Base16.Encode(
AccountIdHelper.GetPublicKeyHash(accountId)
);
var result = this.MainPool.Where(t => t.Transaction.Outputs.Where(o => o.LockScript.Contains(publicKeyText)).Count() > 0).
Select(t => t.Transaction).ToList();
return(result);
}
public IRpcMethodResult ValidateAddress(string address)
{
try
{
var result = new ValidateAddressOM();
var accountComponent = new AccountComponent();
result.address = address;
if (AccountIdHelper.AddressVerify(address))
{
result.isValid = true;
var account = accountComponent.GetAccountById(address);
if (account != null)
{
result.isMine = true;
result.isWatchOnly = string.IsNullOrWhiteSpace(account.PrivateKey);
}
else
{
result.isMine = false;
}
result.scriptPubKey = Script.BuildLockScipt(address);
result.isScript = false;
result.script = "P2PKH";
result.hex = null;
result.addresses = null;
result.pubKey = account.PublicKey;
result.isCompressed = false;
result.account = account.Tag;
result.hdKeyPath = null;
result.hdMasterKeyId = null;
}
else
{
result.isValid = false;
}
return(Ok(result));
}
catch (CommonException ce)
{
return(Error(ce.ErrorCode, ce.Message, ce));
}
catch (Exception ex)
{
return(Error(ErrorCode.UNKNOWN_ERROR, ex.Message, ex));
}
}
public void Initialize()
{
DtoExtensions.GetAccountByLockScript = lockScript => AccountIdHelper.CreateAccountAddressByPublicKeyHash(Base16.Decode(Script.GetPublicKeyHashFromLockScript(lockScript)));
OmniCoin.Update.StartUp.Start();
DbDomains.Init();
RepairBlockData();
RepairUtxoSet();
MiningPoolComponent.LoadMiningPools();
DbDomains.InitData();
LogHelper.Info("Load Data Completed");
}
public CommonResponse GetScoopNumber(string address)
{
try
{
try
{
if (!AccountIdHelper.AddressVerify(address))
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_IS_INVALID, $"Address {address} is invalid"));
}
}
catch
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_IS_INVALID, $"Address {address} is invalid"));
}
var miner = MinersJob.Current.Pool_Miners.FirstOrDefault(m => m.Address == address);
if (miner == null)
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_NOT_EXIST, $"Address {address} is not exist"));
}
var key = "Pool:MinerScoopNumber:" + address;
var scoopNumber = RedisManager.Current.GetDataInRedis <string>(key);
var ttl = RedisManager.Current.PTtl(key);
if (string.IsNullOrWhiteSpace(scoopNumber) || ttl < 10 * 1000)
{
var random = new Random();
scoopNumber = random.Next(0, 4096).ToString();
RedisManager.Current.SaveDataToRedis(key, scoopNumber.ToString(), ScoopNumberTimeout);
}
return(OK(scoopNumber));
}
catch (ApiCustomException ce)
{
LogHelper.Error(ce.Message, ce);
return(Error(ce.ErrorCode, ce.ErrorMessage));
}
catch (Exception ex)
{
LogHelper.Error(ex.Message, ex);
return(Error(ex.HResult, ex.Message));
}
}
public static Output ConvertToEntiry(this OutputMsg outputMsg, TransactionMsg transaction, BlockMsg blockMsg)
{
Output output = new Output();
output.Amount = outputMsg.Amount;
output.BlockHash = blockMsg.Header.Hash;
output.Index = outputMsg.Index;
output.LockScript = outputMsg.LockScript;
output.Size = outputMsg.Size;
output.Index = transaction.Outputs.IndexOf(outputMsg);
output.TransactionHash = transaction.Hash;
output.Spent = false;
output.IsDiscarded = false;
var receiverId = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(outputMsg.LockScript)
));
output.ReceiverId = receiverId;
return(output);
}
//result is List<txid + "," + vout>
public long GetAllUnconfirmedBalance()
{
var accountDac = new AccountDac();
long totalAmount = 0;
foreach (var item in TransactionPool.Instance.MainPool)
{
foreach (var output in item.Transaction.Outputs)
{
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(output.LockScript)));
if (accountDac.SelectById(address) != null)
{
totalAmount += output.Amount;
}
}
}
return(totalAmount);
}
public Account GenerateNewAccount()
{
var dac = new AccountDac();
byte[] privateKey;
byte[] publicKey;
using (var dsa = ECDsa.GenerateNewKeyPair())
{
privateKey = dsa.PrivateKey;
publicKey = dsa.PublicKey;
}
var id = AccountIdHelper.CreateAccountAddress(publicKey);
if (dac.IsExisted(id))
{
throw new Exception("Account id is existed");
}
Account account = new Account();
account.Id = id;
account.PrivateKey = Base16.Encode(privateKey);
account.PublicKey = Base16.Encode(publicKey);
account.Balance = 0;
account.IsDefault = false;
account.WatchedOnly = false;
dac.Insert(account);
if (UtxoSet.Instance != null)
{
UtxoSet.Instance.AddAccountId(account.Id);
}
return(account);
}
public static Transaction ConvertTxMsgToEntity(this TransactionMsg txMsg, bool isSelf = false)
{
var entity = new Transaction();
entity.Hash = txMsg.Hash;
entity.BlockHash = null;
entity.Version = txMsg.Version;
entity.Timestamp = txMsg.Timestamp;
entity.LockTime = txMsg.Locktime;
entity.Inputs = new List <Input>();
entity.Outputs = new List <Output>();
long totalInput = 0L;
long totalOutput = 0L;
foreach (var inputMsg in txMsg.Inputs)
{
var input = new Input();
input.TransactionHash = txMsg.Hash;
input.OutputTransactionHash = inputMsg.OutputTransactionHash;
input.OutputIndex = inputMsg.OutputIndex;
input.Size = inputMsg.Size;
input.UnlockScript = inputMsg.UnlockScript;
var utxo = UtxoSetDac.Default.Get(inputMsg.OutputTransactionHash, inputMsg.OutputIndex);
if (utxo != null)
{
input.Amount = utxo.Amount;
input.AccountId = utxo.Account;
input.BlockHash = utxo.BlockHash;
}
else
{
input.Amount = 0;
input.AccountId = "";
}
entity.Inputs.Add(input);
totalInput += input.Amount;
}
foreach (var outputMsg in txMsg.Outputs)
{
var output = new Output();
output.Index = outputMsg.Index;
output.TransactionHash = entity.Hash;
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(outputMsg.LockScript)
));
output.ReceiverId = address;
output.Amount = outputMsg.Amount;
output.Size = outputMsg.Size;
output.LockScript = outputMsg.LockScript;
entity.Outputs.Add(output);
totalOutput += output.Amount;
}
entity.TotalInput = totalInput;
entity.TotalOutput = totalOutput;
entity.Fee = totalInput - totalOutput;
entity.Size = txMsg.Size;
var coinbaseHashIndex = $"{txMsg.Hash}_{0}";
var utxoset = UtxoSetDac.Default.Get(coinbaseHashIndex);
entity.BlockHash = utxoset?.BlockHash;
if (txMsg.Inputs.Count == 1 &&
txMsg.Outputs.Count == 1 &&
txMsg.Inputs[0].OutputTransactionHash == Base16.Encode(HashHelper.EmptyHash()))
{
entity.Fee = 0;
}
return(entity);
}
public IRpcMethodResult ListUnspent(int minConfirmations, int maxConfirmations = 9999999, string[] addresses = null)
{
try
{
var result = new List <ListUnspentOM>();
var txComponent = new TransactionComponent();
var blockComponent = new BlockComponent();
var outputComponent = new UtxoComponent();
var accountComponent = new AccountComponent();
var addressBookComponent = new AddressBookComponent();
var accounts = accountComponent.GetAllAccounts();
var transactions = txComponent.GetTransactionEntitiesContainUnspentUTXO();
var latestHeight = blockComponent.GetLatestHeight();
foreach (var tx in transactions)
{
var blockMsg = blockComponent.GetBlockMsgByHash(tx.BlockHash);
if (blockMsg != null)
{
var confirmations = latestHeight - blockMsg.Header.Height;
if (confirmations >= minConfirmations && confirmations <= maxConfirmations)
{
var outputs = txComponent.GetOutputEntitesByTxHash(tx.Hash);
foreach (var output in outputs)
{
var pubKeyHash = Script.GetPublicKeyHashFromLockScript(output.LockScript);
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(Base16.Decode(pubKeyHash));
var account = accounts.Where(a => a.Id == address).FirstOrDefault();
if (account != null)
{
if (addresses == null || addresses.Contains(address))
{
result.Add(new ListUnspentOM
{
txid = output.TransactionHash,
vout = output.Index,
address = address,
account = addressBookComponent.GetTagByAddress(address),
scriptPubKey = output.LockScript,
redeemScript = null,
amount = output.Amount,
confirmations = confirmations,
spendable = string.IsNullOrWhiteSpace(account.PrivateKey),
solvable = false
});
}
}
}
}
}
}
return(Ok(result));
}
catch (CommonException ce)
{
return(Error(ce.ErrorCode, ce.Message, ce));
}
catch (Exception ex)
{
return(Error(ErrorCode.UNKNOWN_ERROR, ex.Message, ex));
}
}
public void AddTransactionToPool(TransactionMsg transaction)
{
var accountDac = new AccountDac();
var outputDac = new OutputDac();
long feeRate = 0;
long totalInput = 0;
long totalOutput = 0;
foreach (var input in transaction.Inputs)
{
long amount;
string lockCript;
long blockHeight;
if (this.getOutput(input.OutputTransactionHash, input.OutputIndex, out amount, out lockCript, out blockHeight))
{
totalInput += amount;
}
}
foreach (var output in transaction.Outputs)
{
totalOutput += output.Amount;
}
feeRate = (totalInput - totalOutput) / transaction.Size;
try
{
long fee = 0;
var result = this.VerifyTransaction(transaction, out fee);
if (result)
{
TransactionPool.Instance.AddNewTransaction(feeRate, transaction);
//recheck isolate transactions
var txList = TransactionPool.Instance.GetIsolateTransactions();
foreach (var tx in txList)
{
try
{
if (this.VerifyTransaction(tx, out fee))
{
TransactionPool.Instance.MoveIsolateTransactionToMainPool(tx.Hash);
}
}
catch
{
}
}
}
else
{
TransactionPool.Instance.AddIsolateTransaction(feeRate, transaction);
}
foreach (var input in transaction.Inputs)
{
outputDac.UpdateSpentStatus(input.OutputTransactionHash, input.OutputIndex);
UtxoSet.Instance.RemoveUtxoRecord(input.OutputTransactionHash, input.OutputIndex);
}
foreach (var output in transaction.Outputs)
{
var accountId = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(output.LockScript)
)
);
UtxoSet.Instance.AddUtxoRecord(new UtxoMsg
{
AccountId = accountId,
BlockHash = null,
TransactionHash = transaction.Hash,
OutputIndex = output.Index,
Amount = output.Amount,
IsConfirmed = false
});
}
}
catch (CommonException ex)
{
throw ex;
}
}
public Transaction ConvertTxMsgToEntity(TransactionMsg txMsg)
{
var outputDac = new OutputDac();
var entity = new Transaction();
entity.Hash = txMsg.Hash;
entity.BlockHash = null;
entity.Version = txMsg.Version;
entity.Timestamp = txMsg.Timestamp;
entity.LockTime = txMsg.Locktime;
entity.Inputs = new List <Input>();
entity.Outputs = new List <Output>();
long totalInput = 0L;
long totalOutput = 0L;
foreach (var inputMsg in txMsg.Inputs)
{
var input = new Input();
input.TransactionHash = txMsg.Hash;
input.OutputTransactionHash = inputMsg.OutputTransactionHash;
input.OutputIndex = inputMsg.OutputIndex;
input.Size = inputMsg.Size;
input.UnlockScript = inputMsg.UnlockScript;
var output = outputDac.SelectByHashAndIndex(inputMsg.OutputTransactionHash, inputMsg.OutputIndex);
if (output != null)
{
input.Amount = output.Amount;
input.AccountId = output.ReceiverId;
}
entity.Inputs.Add(input);
totalInput += input.Amount;
}
foreach (var outputMsg in txMsg.Outputs)
{
var output = new Output();
output.Index = outputMsg.Index;
output.TransactionHash = entity.Hash;
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(outputMsg.LockScript)
));
output.ReceiverId = address;
output.Amount = outputMsg.Amount;
output.Size = outputMsg.Size;
output.LockScript = outputMsg.LockScript;
entity.Outputs.Add(output);
totalOutput += output.Amount;
}
entity.TotalInput = totalInput;
entity.TotalOutput = totalOutput;
entity.Fee = totalInput - totalOutput;
entity.Size = txMsg.Size;
if (txMsg.Inputs.Count == 1 &&
txMsg.Outputs.Count == 1 &&
txMsg.Inputs[0].OutputTransactionHash == Base16.Encode(HashHelper.EmptyHash()))
{
entity.Fee = 0;
}
return(entity);
}
public static bool PoolAccount(string account)
{
return(AccountIdHelper.AddressVerify(account));
}
public IRpcMethodResult EstimateTxFeeForSendToAddress(string toAddress, long amount, string comment, string commentTo, bool deductFeeFromAmount)
{
try
{
EstimateTxFeeOM result = new EstimateTxFeeOM();
var utxoComponent = new UtxoComponent();
var txComponent = new TransactionComponent();
var settingComponent = new SettingComponent();
var addressBookComponent = new AddressBookComponent();
var accountComponent = new AccountComponent();
if (!AccountIdHelper.AddressVerify(toAddress))
{
throw new CommonException(ErrorCode.Service.Transaction.TO_ADDRESS_INVALID);
}
var setting = settingComponent.GetSetting();
var utxos = utxoComponent.GetAllConfirmedOutputs();
var tx = new TransactionMsg();
var totalSize = tx.Serialize().Length;
var output = new OutputMsg();
output.Amount = amount;
output.Index = 0;
output.LockScript = Script.BuildLockScipt(toAddress);
output.Size = output.LockScript.Length;
tx.Outputs.Add(output);
totalSize += output.Serialize().Length;
var blockComponent = new BlockComponent();
var lastBlockHeight = blockComponent.GetLatestHeight();
var totalInput = 0L;
var index = 0;
double totalAmount = amount;
double totalFee = setting.FeePerKB * ((double)totalSize / 1024.0);
while (index < utxos.Count)
{
var account = accountComponent.GetAccountById(utxos[index].AccountId);
if (account != null && !string.IsNullOrWhiteSpace(account.PrivateKey))
{
var utxoTX = txComponent.GetTransactionMsgByHash(utxos[index].TransactionHash);
Block utxoBlock = blockComponent.GetBlockEntiytByHash(utxos[index].BlockHash);
if (utxoTX == null || utxoBlock == null)
{
index++;
continue;
}
if (!utxoBlock.IsVerified)
{
index++;
continue;
}
if (Time.EpochTime < utxoTX.Locktime)
{
index++;
continue;
}
if (utxoTX.InputCount == 1 && utxoTX.Inputs[0].OutputTransactionHash == Base16.Encode(HashHelper.EmptyHash()))
{
var blockHeight = utxoBlock.Height;
if (lastBlockHeight - blockHeight < 100L)
{
index++;
continue;
}
}
var input = new InputMsg();
input.OutputTransactionHash = utxos[index].TransactionHash;
input.OutputIndex = utxos[index].OutputIndex;
input.UnlockScript = Script.BuildUnlockScript(input.OutputTransactionHash, input.OutputIndex, Base16.Decode(decryptPrivateKey(account.PrivateKey)), Base16.Decode(account.PublicKey));
input.Size = input.UnlockScript.Length;
tx.Inputs.Add(input);
var size = input.Serialize().Length;
totalSize += size;
totalFee += setting.FeePerKB * ((double)size / 1024.0);
totalInput += utxos[index].Amount;
}
else
{
index++;
continue;
}
if (!deductFeeFromAmount)
{
totalAmount = amount + totalFee;
}
if (totalInput >= (long)Math.Ceiling(totalAmount))
{
var size = output.Serialize().Length;
if ((totalInput - (long)Math.Ceiling(totalAmount)) > (setting.FeePerKB * (double)size / 1024.0))
{
totalSize += size;
totalFee += setting.FeePerKB * ((double)size / 1024.0);
}
break;
}
index++;
}
if (totalInput < totalAmount)
{
throw new CommonException(ErrorCode.Service.Transaction.BALANCE_NOT_ENOUGH);
}
if (deductFeeFromAmount)
{
output.Amount -= (long)Math.Ceiling(totalFee);
if (output.Amount <= 0)
{
throw new CommonException(ErrorCode.Service.Transaction.SEND_AMOUNT_LESS_THAN_FEE);
}
}
result.totalFee = Convert.ToInt64(totalFee);
result.totalSize = Convert.ToInt32(totalSize);
return(Ok(result));
}
catch (CommonException ce)
{
return(Error(ce.ErrorCode, ce.Message, ce));
}
catch (Exception ex)
{
return(Error(ErrorCode.UNKNOWN_ERROR, ex.Message, ex));
}
}
public IRpcMethodResult SendMany(string fromAccount, SendManyOutputIM[] receivers, string[] feeDeductAddresses)
{
try
{
string result = null;
var utxoComponent = new UtxoComponent();
var txComponent = new TransactionComponent();
var settingComponent = new SettingComponent();
var addressBookComponent = new AddressBookComponent();
var accountComponent = new AccountComponent();
var transactionCommentComponent = new TransactionCommentComponent();
var blockComponent = new BlockComponent();
var lastBlockHeight = blockComponent.GetLatestHeight();
var setting = settingComponent.GetSetting();
var utxos = utxoComponent.GetAllConfirmedOutputs();
var tx = new TransactionMsg();
double totalOutput = 0;
var totalSize = tx.Serialize().Length;
if (receivers == null || receivers.Length == 0)
{
throw new CommonException(ErrorCode.Service.Transaction.TO_ADDRESS_INVALID);
}
foreach (var receiver in receivers)
{
if (!AccountIdHelper.AddressVerify(receiver.address))
{
throw new CommonException(ErrorCode.Service.Transaction.TO_ADDRESS_INVALID);
}
var output = new OutputMsg();
output.Amount = receiver.amount;
output.Index = tx.Outputs.Count;
output.LockScript = Script.BuildLockScipt(receiver.address);
output.Size = output.LockScript.Length;
tx.Outputs.Add(output);
totalSize += output.Serialize().Length;
totalOutput += receiver.amount;
}
foreach (var address in feeDeductAddresses)
{
if (receivers.Where(r => r.address == address).Count() == 0)
{
throw new CommonException(ErrorCode.Service.Transaction.FEE_DEDUCT_ADDRESS_INVALID);
}
}
var totalInput = 0L;
var index = 0;
double totalFee = setting.FeePerKB * ((double)totalSize / 1024.0);
double totalAmount = totalOutput;
while (index < utxos.Count)
{
var account = accountComponent.GetAccountById(utxos[index].AccountId);
if (account != null && !string.IsNullOrWhiteSpace(account.PrivateKey))
{
var utxoTX = txComponent.GetTransactionMsgByHash(utxos[index].TransactionHash);
Block utxoBlock = blockComponent.GetBlockEntiytByHash(utxos[index].BlockHash);
if (utxoTX == null || utxoBlock == null)
{
index++;
continue;
}
if (!utxoBlock.IsVerified)
{
index++;
continue;
}
if (Time.EpochTime < utxoTX.Locktime)
{
index++;
continue;
}
if (utxoTX.InputCount == 1 && utxoTX.Inputs[0].OutputTransactionHash == Base16.Encode(HashHelper.EmptyHash()))
{
var blockHeight = utxoBlock.Height;
if (lastBlockHeight - blockHeight < 100L)
{
index++;
continue;
}
}
var input = new InputMsg();
input.OutputTransactionHash = utxos[index].TransactionHash;
input.OutputIndex = utxos[index].OutputIndex;
input.UnlockScript = Script.BuildUnlockScript(input.OutputTransactionHash, input.OutputIndex, Base16.Decode(decryptPrivateKey(account.PrivateKey)), Base16.Decode(account.PublicKey));
input.Size = input.UnlockScript.Length;
tx.Inputs.Add(input);
var size = input.Serialize().Length;
totalSize += size;
totalFee += setting.FeePerKB * ((double)size / 1024.0);
totalInput += utxos[index].Amount;
}
else
{
index++;
continue;
}
if (feeDeductAddresses == null || feeDeductAddresses.Length == 0)
{
totalAmount = totalOutput + totalFee;
}
if (totalInput >= (long)Math.Ceiling(totalAmount))
{
var size = tx.Outputs[0].Serialize().Length;
if ((totalInput - (long)Math.Ceiling(totalAmount)) > (setting.FeePerKB * (double)size / 1024.0))
{
totalSize += size;
totalFee += setting.FeePerKB * ((double)size / 1024.0);
if (feeDeductAddresses == null || feeDeductAddresses.Length == 0)
{
totalAmount = totalOutput + totalFee;
}
var newAccount = accountComponent.GenerateNewAccount();
if (setting.Encrypt)
{
if (!string.IsNullOrWhiteSpace(_cache.Get <string>("WalletPassphrase")))
{
newAccount.PrivateKey = AES128.Encrypt(newAccount.PrivateKey, _cache.Get <string>("WalletPassphrase"));
accountComponent.UpdatePrivateKeyAr(newAccount);
}
else
{
throw new CommonException(ErrorCode.Service.Wallet.WALLET_HAS_BEEN_LOCKED);
}
}
var newOutput = new OutputMsg();
newOutput.Amount = totalInput - (long)Math.Ceiling(totalAmount);
newOutput.Index = tx.Outputs.Count;
newOutput.LockScript = Script.BuildLockScipt(newAccount.Id);
newOutput.Size = newOutput.LockScript.Length;
tx.Outputs.Add(newOutput);
}
break;
}
index++;
}
if (totalInput < totalAmount)
{
throw new CommonException(ErrorCode.Service.Transaction.BALANCE_NOT_ENOUGH);
}
if (feeDeductAddresses != null && feeDeductAddresses.Length > 0)
{
var averageFee = totalFee / feeDeductAddresses.Length;
for (int i = 0; i < receivers.Length; i++)
{
if (feeDeductAddresses.Contains(receivers[i].address))
{
tx.Outputs[i].Amount -= (long)Math.Ceiling(averageFee);
if (tx.Outputs[i].Amount <= 0)
{
throw new CommonException(ErrorCode.Service.Transaction.SEND_AMOUNT_LESS_THAN_FEE);
}
}
}
}
tx.Timestamp = Time.EpochTime;
tx.Hash = tx.GetHash();
txComponent.AddTransactionToPool(tx);
Startup.P2PBroadcastTransactionAction(tx.Hash);
result = tx.Hash;
for (int i = 0; i < receivers.Length; i++)
{
var receiver = receivers[i];
if (!string.IsNullOrWhiteSpace(receiver.tag))
{
addressBookComponent.SetTag(receiver.address, receiver.tag);
}
if (!string.IsNullOrWhiteSpace(receiver.comment))
{
transactionCommentComponent.Add(tx.Hash, i, receiver.comment);
}
}
return(Ok(result));
}
catch (CommonException ce)
{
return(Error(ce.ErrorCode, ce.Message, ce));
}
catch (Exception ex)
{
return(Error(ErrorCode.UNKNOWN_ERROR, ex.Message, ex));
}
}
private Block convertBlockMsgToEntity(BlockMsg blockMsg)
{
OutputDac outputDac = new OutputDac();
var block = new Block();
block.Hash = blockMsg.Header.Hash;
block.Version = blockMsg.Header.Version;
block.Height = blockMsg.Header.Height;
block.PreviousBlockHash = blockMsg.Header.PreviousBlockHash;
block.Bits = blockMsg.Header.Bits;
block.Nonce = blockMsg.Header.Nonce;
block.GeneratorId = blockMsg.Header.GeneratorId;
block.Timestamp = blockMsg.Header.Timestamp;
block.TotalAmount = 0;
block.TotalFee = 0;
block.Transactions = new List <Transaction>();
foreach (var txMsg in blockMsg.Transactions)
{
var transaction = new Transaction();
transaction.Hash = txMsg.Hash;
transaction.BlockHash = block.Hash;
transaction.Version = txMsg.Version;
transaction.Timestamp = txMsg.Timestamp;
transaction.LockTime = txMsg.Locktime;
transaction.Inputs = new List <Input>();
transaction.Outputs = new List <Output>();
long totalInput = 0L;
long totalOutput = 0L;
foreach (var inputMsg in txMsg.Inputs)
{
var input = new Input();
input.TransactionHash = txMsg.Hash;
input.OutputTransactionHash = inputMsg.OutputTransactionHash;
input.OutputIndex = inputMsg.OutputIndex;
input.Size = inputMsg.Size;
input.UnlockScript = inputMsg.UnlockScript;
var output = outputDac.SelectByHashAndIndex(inputMsg.OutputTransactionHash, inputMsg.OutputIndex);
if (output != null)
{
input.Amount = output.Amount;
input.AccountId = output.ReceiverId;
}
transaction.Inputs.Add(input);
totalInput += input.Amount;
}
foreach (var outputMsg in txMsg.Outputs)
{
var output = new Output();
output.Index = outputMsg.Index;
output.TransactionHash = transaction.Hash;
var address = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(outputMsg.LockScript)
));
output.ReceiverId = address;
output.Amount = outputMsg.Amount;
output.Size = outputMsg.Size;
output.LockScript = outputMsg.LockScript;
transaction.Outputs.Add(output);
totalOutput += output.Amount;
}
transaction.TotalInput = totalInput;
transaction.TotalOutput = totalOutput;
transaction.Fee = totalInput - totalOutput;
transaction.Size = txMsg.Size;
if (txMsg.Inputs.Count == 1 &&
txMsg.Outputs.Count == 1 &&
txMsg.Inputs[0].OutputTransactionHash == Base16.Encode(HashHelper.EmptyHash()))
{
transaction.Fee = 0;
}
block.Transactions.Add(transaction);
block.TotalAmount += transaction.TotalOutput;
block.TotalFee += transaction.Fee;
}
//block.GenerationSignature = blockMsg.Header.GenerationSignature;
block.BlockSignature = blockMsg.Header.BlockSignature;
//block.CumulativeDifficulty = blockMsg.Header.CumulativeDifficulty;
block.PayloadHash = blockMsg.Header.PayloadHash;
block.IsVerified = false;
return(block);
}
public void SaveBlockIntoDB(BlockMsg msg)
{
try
{
VerifyBlock(msg);
Block block = this.convertBlockMsgToEntity(msg);
block.IsDiscarded = false;
block.IsVerified = false;
var blockDac = new BlockDac();
var transactionDac = new TransactionDac();
var inputDac = new InputDac();
var outputDac = new OutputDac();
//foreach (var tx in block.Transactions)
//{
// foreach (var input in tx.Inputs)
// {
// if (input.OutputTransactionHash != Base16.Encode(HashHelper.EmptyHash()))
// {
// var output = outputDac.SelectByHashAndIndex(input.OutputTransactionHash, input.OutputIndex);
// if (output != null)
// {
// input.AccountId = output.ReceiverId;
// outputDac.UpdateSpentStatus(input.OutputTransactionHash, input.OutputIndex);
// }
// }
// }
//}
blockDac.Save(block);
//update nextblock hash
//blockDac.UpdateNextBlockHash(block.PreviousBlockHash, block.Hash);
//remove transactions in tx pool
foreach (var tx in block.Transactions)
{
TransactionPool.Instance.RemoveTransaction(tx.Hash);
//save into utxo set
foreach (var output in tx.Outputs)
{
var accountId = AccountIdHelper.CreateAccountAddressByPublicKeyHash(
Base16.Decode(
Script.GetPublicKeyHashFromLockScript(output.LockScript)
)
);
UtxoSet.Instance.AddUtxoRecord(new UtxoMsg
{
AccountId = accountId,
BlockHash = block.Hash,
TransactionHash = tx.Hash,
OutputIndex = output.Index,
Amount = output.Amount,
IsConfirmed = true
});
}
}
}
catch (Exception ex)
{
LogHelper.Error(ex.Message, ex);
throw ex;
}
}
public CommonResponse SubmitMaxNonce([FromBody] MaxNonceIM model)
{
try
{
if (model == null)
{
return(Error(Entities.MiningPoolErrorCode.Miners.COMMON_ERROR, "Posted data error"));
}
try
{
LogHelper.Info($"Address is {model.Address}, network is {GlobalParameters.IsTestnet}");
if (!AccountIdHelper.AddressVerify(model.Address))
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_IS_INVALID, $"Address {model.Address}is invalid"));
}
}
catch
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_IS_INVALID, $"Address {model.Address} is invalid"));
}
var miner = MinersJob.Current.Pool_Miners.FirstOrDefault(m => m.Address == model.Address);
if (miner == null)
{
return(Error(Entities.MiningPoolErrorCode.Miners.ADDRESS_NOT_EXIST, $"Address {model.Address} not exist"));
}
else if (miner.SN != model.SN)
{
return(Error(Entities.MiningPoolErrorCode.Miners.SN_CODE_ERROR, $"SN code {model.SN} with address {model.Address} is error"));
}
var scoopNumberKey = "Pool:MinerScoopNumber:" + model.Address;
var maxNonceKey = "Pool:MinerMaxNonce:" + model.Address;
var scoopNumber = RedisManager.Current.GetDataInRedis <string>(scoopNumberKey);
if (scoopNumber == null || scoopNumber != model.ScoopNumber.ToString())
{
return(Error(Entities.MiningPoolErrorCode.Miners.SCOOPNUMBER_NOT_MATCH, $"Scoop number from address {model.Address} SN {model.SN} is not matched: {scoopNumber}/{model.ScoopNumber}"));
}
if (model.MaxNonce > MaxNonceLimit)
{
return(Error(Entities.MiningPoolErrorCode.Miners.MAXNONCE_IS_INVALID, $"Max nonce {model.MaxNonce} from address {model.Address} is invalid"));
}
//var data = POC.CalculateScoopData(model.Address, model.MaxNonce, model.ScoopNumber);
//try
//{
// var scoopData = Convert.FromBase64String(model.ScoopData);
// if (Base16.Encode(data) != Base16.Encode(scoopData))
// {
// return Error(Entities.MiningPoolErrorCode.Miners.SCOOP_DATA_IS_INVALID, "Scoop data is invalid");
// }
//}
//catch
//{
// return Error(Entities.MiningPoolErrorCode.Miners.SCOOP_DATA_IS_INVALID, "Scoop data is invalid");
//}
RedisManager.Current.SaveDataToRedis <string>(maxNonceKey, model.MaxNonce.ToString(), MaxNonceTimeout);
return(OK(true));
}
catch (ApiCustomException ce)
{
LogHelper.Error(ce.Message);
return(Error(ce.ErrorCode, ce.ErrorMessage));
}
catch (Exception ex)
{
LogHelper.Error(ex.Message, ex);
return(Error(ex.HResult, ex.Message));
}
}