public string GetBalance(string address, string tag)
{
var addressUint160 = address.HexToUInt160();
if (tag == "pending")
{
// Get all transaction from pool
var transactions = _transactionPool.Transactions;
List <TransactionReceipt> txReceipts = new List <TransactionReceipt>();
foreach (var tx in transactions)
{
var from = tx.Value.Transaction.From.ToHex();
if (address == from)
{
txReceipts.Add(tx.Value);
}
}
// Sort on the basis of nonce
txReceipts = txReceipts.OrderBy(receipt => receipt, new ReceiptComparer()).ToList();
// Get current address nonce
var transactionRepository = _stateManager.CurrentSnapshot.Transactions;
var currNonce = transactionRepository.GetTotalTransactionCount(addressUint160);
// Virtually execute the txs in nonce order
var availableBalance = GetSnapshotByTag("latest") !.Balances.GetBalance(addressUint160);
foreach (var tx in txReceipts)
{
var from = tx.Transaction.From.ToHex();
if (currNonce == tx.Transaction.Nonce)
{
// Executing the transaction
var gasp = new Money(tx.Transaction.GasPrice);
var gasl = new Money(tx.Transaction.GasLimit);
var txamnt = new Money(tx.Transaction.Value);
if (availableBalance - txamnt - (gasl * gasp) >= Money.Parse("0"))
{
// If transaction can be executed
availableBalance = availableBalance - txamnt - (gasl * gasp);
currNonce += 1;
}
else if (availableBalance - (gasl * gasp) >= Money.Parse("0"))
{
// If balance is not enough for transaction
availableBalance = availableBalance - (gasl * gasp);
currNonce += 1;
}
}
}
return(Web3DataFormatUtils.Web3Number(availableBalance.ToWei().ToUInt256()));
}
else
{
var availableBalance = GetSnapshotByTag(tag) !.Balances.GetBalance(addressUint160);
return(Web3DataFormatUtils.Web3Number(availableBalance.ToWei().ToUInt256()));
}
}