public void SignInputs(Transaction transaction, SignerBag bag)
{
foreach (var transactionInput in transaction.Inputs)
{
var redeem = bag.Find(transactionInput.Outpoint);
Thrower.If(redeem.IsNull()).Throw <TransactionException>("redeem script was not found");
var redeemScript = new Script.Script(CryptoUtil.ConvertHex(redeem.ScriptPubKeyHex));
var signature = this.CalculateSignature(transaction, transactionInput.Outpoint, redeem.PrivateKey.Key, redeemScript, Transaction.SigHash.All);
var signedScript = ScriptBuilder.CreateInputScript(signature, redeem.PrivateKey.Key);
transactionInput.ScriptBytes = signedScript.GetProgram();
}
}
public void given_a_dummy_transaction_When_createing_input_scripts_Then_all_should_pass()
{
var dummySig = TransactionSignature.Dummy();
var key = new BitcoinPrivateKey(parameters, "KzXzfn1AKhA9XaBtr2enevcsw1w3NXWXUDgKKpqa8QyVi1cKYKdS").Key;
// pay-to-pubkey
var inputScript = ScriptBuilder.CreateInputScript(dummySig);
Assert.IsTrue(inputScript.Chunks.ElementAt(0).Data.SequenceEqual(dummySig.EncodeToBitcoin()));
inputScript = ScriptBuilder.CreateInputScript(null);
Assert.AreEqual(inputScript.Chunks.ElementAt(0).Opcode, ScriptOpCodes.OP_0);
// pay-to-address
inputScript = ScriptBuilder.CreateInputScript(dummySig, key);
Assert.IsTrue(inputScript.Chunks.ElementAt(0).Data.SequenceEqual(dummySig.EncodeToBitcoin()));
inputScript = ScriptBuilder.CreateInputScript(null, key);
Assert.AreEqual(inputScript.Chunks.ElementAt(0).Opcode, ScriptOpCodes.OP_0);
Assert.IsTrue(inputScript.Chunks.ElementAt(1).Data.SequenceEqual(key.PublicKeyBytes));
}