public bool VerifyVInAsUnspent(TransactionVIn vin, Transaction transaction, out TransactionVOut vout)
{
bool spent;
vout = GetUnspeTransactionVOut(vin.OutputId, out spent);
if (vout == null)
{
return(false);
}
else if (spent)
{
return(false);
}
if (vin.FromBlockId != vout.FromBlock)
{
return(false);
}
if (!_blockChainService.IsBlockInLongestChain(vout.FromBlock))
{
return(false);
}
return(true);
}
public bool ViolatesMemPool(Transaction trans, TransactionVIn vin)
{
var exists = _minerService.MemPool.ToList()
.TrueForAll(r => r.Body.VInputs.TrueForAll(x => x.OutputId != vin.OutputId) || r.Body.TransactionId == trans.Body.TransactionId);
return(!exists);
}
public Transaction AssembleTransaction(string to, float ammount, string msg)
{
var vouts = _transactionVerifier.GetAllTransactionVOutsForAddress(Address);
var balanceRips = vouts.Sum(r => r.Amount);
var balanceC = balanceRips / 100000f;
var amountInRips = (long)(ammount * 100000);
if (balanceC >= ammount)
{
var inps = new List <TransactionVIn>();
foreach (var vv in vouts)
{
var tVin = new TransactionVIn()
{
FromBlockId = vv.FromBlock,
OutputId = vv.Id
};
inps.Add(tVin);
}
var vout = new TransactionVOut()
{
Amount = amountInRips,
FromAddress = Address,
ToAddress = to,
};
var selfVout = new TransactionVOut()
{
Amount = balanceRips - amountInRips,
FromAddress = Address,
ToAddress = Address
};
TransactionVOut.SetUniqueIdForVOut(vout);
TransactionVOut.SetUniqueIdForVOut(selfVout);
var body = new TransactionBody()
{
FromAddress = Address,
Message = msg,
PubKey = PubKey,
VInputs = inps,
VOuts = new List <InBlockTransactionVOut> {
vout.GetInBlockTransactionVOut(), selfVout.GetInBlockTransactionVOut()
}
};
TransactionBody.SetUniqueIdForBody(body);
var trans = MakeTransaction(body);
return(trans);
}
else
{
Logger.Log("Insufficent funds when trying to make transaction!");
}
return(null);
}
