/// <summary>
/// Deserialize the transaction hex string.
/// </summary>
/// <param name="rawTx">Transaction hex string</param>
/// <returns>Bitcoin Transaction</returns>
public static TxModel DecodeRawTx(string rawTx)
{
if (Transaction.TryParse(Base16.ToByteArray(rawTx), out Transaction tx))
{
TxModel result = new TxModel()
{
Version = tx.Version,
TxInCount = tx.TxInCount.Number,
TxInList = new ObservableCollection <TxInModel>(tx.TxInList.Select(x => new TxInModel(x))),
TxOutCount = tx.TxOutCount.Number,
TxOutList = new ObservableCollection <TxOut>(tx.TxOutList),
LockTime = tx.LockTime,
TxId = tx.GetTransactionID(),
WtxId = tx.GetWitnessTransactionID(),
IsRbf = tx.TxInList.Any(x => x.Sequence != uint.MaxValue)
};
return(result);
}
throw new ArgumentException("Can not parse the given transaction!");
}
/// <summary>
/// Creates a Raw Unsigned bitcoin transaction Transaction.
/// </summary>
/// <param name="txToSpend">List of UTXOs to spend.</param>
/// <param name="receiveAddr">List of receiving addresses and the amount to be paid to each.</param>
/// <param name="wallet">Type of the wallet (Electrum does not recognize normal type of scriptSig placeholder).</param>
/// <returns>Raw unsigned transaction string.</returns>
public static string CreateRawTx(uint ver, List <UTXO> txToSpend, List <ReceivingAddress> receiveAddr, uint lockTime, WalletType wallet)
{
TxIn[] tIns = txToSpend.Select(x => new TxIn()
{
Outpoint = new Outpoint()
{
Index = x.OutIndex, TxId = x.TxHash
},
ScriptSig = BuildScriptSig(x.Address, wallet),
ScriptSigLength = new CompactInt((ulong)BuildScriptSig(x.Address, wallet).Length / 2),
Sequence = uint.MaxValue
}).ToArray();
TxOut[] tOuts = receiveAddr.Select(x => new TxOut()
{
Amount = x.PaymentSatoshi,
PkScript = BuildScriptPub(x.Address),
PkScriptLength = new CompactInt((ulong)BuildScriptPub(x.Address).Length / 2)
}).ToArray();
Transaction tx = new Transaction(ver, (ulong)txToSpend.Count, tIns, (ulong)receiveAddr.Count, tOuts, lockTime);
return(tx.Serialize().ToBase16());
}
