public void InsertSpendShare(ShareSpend _ShareSpend)
{
var col = ChainDB.GetCollection <ShareSpend>("ShareSpend");
col.EnsureIndex(x => x.ShareId, true);
col.Insert(_ShareSpend);
}
public CompletedTransaction BuildTransaction(IList <Share> _SendingFromShares,
string _fromAddress,
string _privateKey,
string _toAddress,
double _amount)
{
bool mustPost = false;
IEnumerator <Share> ShareEnumerator = _SendingFromShares.GetEnumerator();
Share SpendingShare;
double amountFulFilled = 0;
double amountReturn = 0;
while (ShareEnumerator.MoveNext())
{
SpendingShare = ShareEnumerator.Current;
IsValidShare(SpendingShare, _fromAddress);
amountFulFilled += SpendingShare.Amount;
if (amountFulFilled >= _amount)
{
amountReturn = amountFulFilled - _amount;
mustPost = true; //We have no reason not to post now
}
}
if (mustPost)
{
try
{
//Post the transaction to the ledger
Transaction postTransaction = new Transaction
{
TransactionId = Guid.NewGuid(),
DateTimeStamp = DateTime.Now,
Amount = _amount,
Sender = _fromAddress,
Receiver = _toAddress,
};
postTransaction.MD5Hash = MD5Hash.GenerateKey(postTransaction);
Database.InsertTransaction(postTransaction);
CompletedTrans.Transaction = postTransaction;
CompletedTrans.TransactionId = postTransaction.TransactionId;
ShareEnumerator = _SendingFromShares.GetEnumerator();
while (ShareEnumerator.MoveNext())
{
SpendingShare = ShareEnumerator.Current;
//Post the Spend transaction(s) to the ledger
ShareSpend postSpendTransaction = new ShareSpend
{
TransactionId = postTransaction.TransactionId,
DateTimeStamp = DateTime.Now,
Amount = SpendingShare.Amount,
ShareId = SpendingShare.ShareId
};
postSpendTransaction.MD5Hash = MD5Hash.GenerateKey(postSpendTransaction);
postSpendTransaction.Signature = SignManager.GetSignature(_privateKey, postSpendTransaction.MD5Hash);
Database.InsertSpendShare(postSpendTransaction);
CompletedTrans.AddSpendShare(postSpendTransaction);
}
//Post the new (unspend) Shares to the ledger
Share unspendShare = new Share
{
ShareId = new Guid(),
GenesisTxId = postTransaction.TransactionId,
DateTimeStamp = DateTime.Now,
Amount = _amount,
Owner = _toAddress
};
unspendShare.MD5Hash = MD5Hash.GenerateKey(unspendShare);
Database.InsertUnspendShare(unspendShare);
CompletedTrans.AddUnspendShare(unspendShare);
if (amountReturn > 0)
{
//TODO: Return amount
Share unspendShareRet = new Share
{
ShareId = new Guid(),
GenesisTxId = postTransaction.TransactionId,
DateTimeStamp = DateTime.Now,
Amount = amountReturn,
Owner = _toAddress
};
unspendShareRet.MD5Hash = MD5Hash.GenerateKey(unspendShareRet);
Database.InsertUnspendShare(unspendShareRet);
CompletedTrans.AddUnspendShare(unspendShare);
}
//Now build the completed transaction to broadcast
CompletedTrans.MD5Hash = MD5Hash.GenerateKey(CompletedTrans);
Database.InsertCompletedTrans(CompletedTrans);
return(CompletedTrans);
}
catch
{
Console.WriteLine("Error when trying to post transaction");
return(null);
}
}
Console.WriteLine("Insufficient balance for posting");
return(null);
}
