//public async Task<IEnumerable<ITxPoint>> GetInputsAsync(
// string txId,
// CancellationToken cancellationToken = default(CancellationToken))
//{
// var result = new List<ITxPoint>();
// var tx = await _explorer
// .GetTransactionByHashAsync(txId)
// .ConfigureAwait(false);
// foreach (var i in tx.Inputs)
// {
// var witScript = WitScript.Empty;
// var prevTx = await _explorer
// .GetTransactionByIndexAsync(i.PreviousOutput.TxIndex)
// .ConfigureAwait(false);
// if (i.Witness != null)
// {
// var wit = new List<string> {i.Witness};
// witScript = wit.Aggregate(witScript, (current, witness) => current + new WitScript(witness));
// }
// result.Add(new BitcoinBasedTxPoint(new IndexedTxIn
// {
// TxIn = new TxIn(new OutPoint(new uint256(prevTx.Hash), i.PreviousOutput.N), new Script()),
// Index = (uint)i.PreviousOutput.SpendingOutpoints[0].N,
// WitScript = witScript,
// }));
// }
// return result;
//}
public async Task <IEnumerable <ITxOutput> > GetUnspentOutputsAsync(
string address,
string afterTxId = null,
CancellationToken cancellationToken = default(CancellationToken))
{
var unspentOutputs = await _explorer
.GetUnspentOutputsAsync(new List <string>() { address })
.ConfigureAwait(false);
return(unspentOutputs.Select(u => new BitcoinBasedTxOutput(
coin: new Coin(
fromTxHash: new uint256(u.TransactionHash),
fromOutputIndex: (uint)u.N,
amount: new Money(u.Value.Satoshis, MoneyUnit.Satoshi),
scriptPubKey: new Script(u.Script)),
spentTxPoint: null)));
}
public static void Serialize(walletManagement wallet, int minUnusedKeys = 4)
{
if (MainWindow.CheckForInternetConnection())
{
var walletData = JsonConvert.DeserializeObject <Data>(
File.ReadAllText(walletFileSerializer.Deserialize(wallet.WalletFilePath).walletTransactionsPath));
var addresses = walletData.addresses.change.ToList();
addresses.AddRange(walletData.addresses.receiving);
explorer = new BlockExplorer();
var addressesData = explorer.GetMultiAddressAsync(addresses).Result;
foreach (var tx in addressesData.Transactions)
{
if (walletData.txData.Keys.Contains(tx.Hash))
{
continue;
}
var InputsPerAddress = new List <Inputs>();
var OutputsPerAddress = new List <Outputs>();
tx.Inputs.ToList().ForEach(inp =>
{
InputsPerAddress.Add(new Inputs
{
address = inp.PreviousOutput.Address,
index = inp.PreviousOutput.N,
value = inp.PreviousOutput.Value.GetBtc()
});
if (walletData.addresses.receiving.Contains(inp.PreviousOutput.Address))
{
walletData.usedAddresses.Add(inp.PreviousOutput.Address);
}
if (walletData.addresses.change.Contains(inp.PreviousOutput.Address))
{
walletData.usedAddresses.Add(inp.PreviousOutput.Address);
}
});
tx.Outputs.ToList().ForEach(outp =>
{
OutputsPerAddress.Add(new Outputs
{
address = outp.Address,
index = outp.N,
value = outp.Value.GetBtc()
});
if (walletData.addresses.receiving.Contains(outp.Address))
{
walletData.usedAddresses.Add(outp.Address);
}
if (walletData.addresses.change.Contains(outp.Address))
{
walletData.usedAddresses.Add(outp.Address);
}
});
walletData.txData.Add(tx.Hash,
new TxData
{
hash = tx.Hash,
date = tx.Time,
lockTime = tx.BlockHeight,
size = tx.Size,
fee = NB.Money.Satoshis(tx.Fee).ToDecimal(NB.MoneyUnit.BTC),
value = NB.Money.Satoshis(tx.Result).ToDecimal(NB.MoneyUnit.BTC),
inputs = InputsPerAddress,
outputs = OutputsPerAddress
});
}
var unusedreceivingKeysCount = walletData.addresses.receiving.Count;
walletData.addresses.receiving.ForEach(key =>
{
if (walletData.usedAddresses.Contains(key))
{
unusedreceivingKeysCount--;
}
});
if (unusedreceivingKeysCount < minUnusedKeys)
{
var receivingKeysStartIndex = walletData.addresses.receiving.Count;
for (var i = 0; i < minUnusedKeys; i++)
{
walletData.addresses.receiving.Add(wallet
.GetAddress(receivingKeysStartIndex++, HdPathType.Receive).ToString());
}
}
var unusedchangeKeysCount = walletData.addresses.change.Count;
walletData.addresses.change.ForEach(key =>
{
if (walletData.usedAddresses.Contains(key))
{
unusedreceivingKeysCount--;
}
});
if (unusedchangeKeysCount < minUnusedKeys)
{
var changeKeysStartIndex = walletData.addresses.change.Count;
for (var i = 0; i < minUnusedKeys; i++)
{
walletData.addresses.receiving.Add(wallet.GetAddress(changeKeysStartIndex++, HdPathType.Change)
.ToString());
}
}
walletData.unspent_Outputs = new List <Unspent_Outputs>();
var unspentChange = explorer.GetUnspentOutputsAsync(walletData.addresses.change).Result;
foreach (var outp in unspentChange)
{
var existsOuts = walletData.unspent_Outputs.FirstOrDefault(x =>
x.hash == outp.tx_hash_big_endian && x.confirmations == outp.Confirmations &&
x.index == outp.N);
if (existsOuts == null)
{
var tx = walletData.txData.FirstOrDefault(x => x.Key == outp.tx_hash_big_endian);
tx.Value.outputs.ForEach(output =>
{
if (output.index == outp.N)
{
walletData.unspent_Outputs.Add(new Unspent_Outputs
{
hash = outp.tx_hash_big_endian,
address = output.address,
confirmations = outp.Confirmations,
index = outp.N,
value = outp.Value.GetBtc()
});
}
});
}
}
var unspentReceiving = explorer.GetUnspentOutputsAsync(walletData.addresses.receiving).Result;
foreach (var outp in unspentReceiving)
{
var existsOuts = walletData.unspent_Outputs.FirstOrDefault(x =>
x.hash == outp.tx_hash_big_endian && x.confirmations == outp.Confirmations &&
x.index == outp.N);
if (existsOuts == null)
{
var tx = walletData.txData.FirstOrDefault(x => x.Key == outp.tx_hash_big_endian);
tx.Value.outputs.ForEach(output =>
{
if (output.index == outp.N)
{
walletData.unspent_Outputs.Add(new Unspent_Outputs
{
hash = outp.tx_hash_big_endian,
address = output.address,
confirmations = outp.Confirmations,
index = outp.N,
value = outp.Value.GetBtc()
});
}
});
}
}
foreach (var tx in walletData.txData.Values)
{
if (tx.value > 0)
{
foreach (var outp in tx.outputs)
{
if (walletData.usedAddresses.Contains(outp.address))
{
tx.address = outp.address;
break;
}
}
}
else
{
foreach (var inp in tx.inputs)
{
if (walletData.usedAddresses.Contains(inp.address))
{
tx.address = inp.address;
break;
}
}
}
}
File.WriteAllText(walletFileSerializer.Deserialize(wallet.WalletFilePath).walletTransactionsPath,
JsonConvert.SerializeObject(walletData));
}
}
