internal void MarkAsUnspent() { _availableForSpending = true; _spentBy = null; }
/// <summary> /// Adds an input directly, with no checking that it's valid. /// </summary> public void AddInput(TransactionInput input) { _inputs.Add(input); }
/// <summary> /// Sets this objects availableToSpend flag to false and the spentBy pointer to the given input. /// If the input is null, it means this output was signed over to somebody else rather than one of our own keys. /// </summary> internal void MarkAsSpent(TransactionInput input) { Debug.Assert(_availableForSpending); _availableForSpending = false; _spentBy = input; }
/// <summary> /// Returns a solved block that builds on top of this one. This exists for unit tests. /// </summary> internal Block CreateNextBlock(Address to, uint time) { var b = new Block(Params); b.DifficultyTarget = _difficultyTarget; b.AddCoinbaseTransaction(_emptyBytes); // Add a transaction paying 50 coins to the "to" address. var t = new Transaction(Params); t.AddOutput(new TransactionOutput(Params, t, Utils.ToNanoCoins(50, 0), to)); // The input does not really need to be a valid signature, as long as it has the right general form. var input = new TransactionInput(Params, t, Script.CreateInputScript(_emptyBytes, _emptyBytes)); // Importantly the outpoint hash cannot be zero as that's how we detect a coinbase transaction in isolation // but it must be unique to avoid 'different' transactions looking the same. var counter = new byte[32]; counter[0] = (byte) _txCounter++; input.Outpoint.Hash = new Sha256Hash(counter); t.AddInput(input); b.AddTransaction(t); b.PrevBlockHash = Hash; b.TimeSeconds = time; b.Solve(); b.VerifyHeader(); return b; }
/// <exception cref="ProtocolException"/> protected override void Parse() { _version = ReadUint32(); // First come the inputs. var numInputs = ReadVarInt(); _inputs = new List<TransactionInput>((int) numInputs); for (var i = 0UL; i < numInputs; i++) { var input = new TransactionInput(Params, this, Bytes, Cursor); _inputs.Add(input); Cursor += input.MessageSize; } // Now the outputs var numOutputs = ReadVarInt(); _outputs = new List<TransactionOutput>((int) numOutputs); for (var i = 0UL; i < numOutputs; i++) { var output = new TransactionOutput(Params, this, Bytes, Cursor); _outputs.Add(output); Cursor += output.MessageSize; } _lockTime = ReadUint32(); }