public void TestCreateCoinbaseAndSpend()
{
var txManager = new TransactionManager();
var keyPair = txManager.CreateKeyPair();
var privateKey = keyPair.Item1;
var publicKey = keyPair.Item2;
var coinbaseTx = txManager.CreateCoinbaseTransaction(publicKey, Encoding.ASCII.GetBytes("coinbase text!")).Transaction;
var publicKeyScript = txManager.CreatePublicKeyScript(publicKey);
var privateKeyScript = txManager.CreatePrivateKeyScript(coinbaseTx, 0, (byte)ScriptHashType.SIGHASH_ALL, privateKey, publicKey);
var script = privateKeyScript.Concat(publicKeyScript);
var scriptEngine = new ScriptEngine();
Assert.IsTrue(scriptEngine.VerifyScript(UInt256.Zero, 0, publicKeyScript.ToArray(), coinbaseTx, 0, script));
}
private void TestTransactionVerifyScript(Transaction tx, IDictionary<UInt256, Transaction> txLookup)
{
var scriptEngine = new ScriptEngine();
for (var inputIndex = 0; inputIndex < tx.Inputs.Length; inputIndex++)
{
var input = tx.Inputs[inputIndex];
var prevOutput = txLookup[input.PreviousTxOutputKey.TxHash].Outputs[input.PreviousTxOutputKey.TxOutputIndex.ToIntChecked()];
var script = GetScriptFromInputPrevOutput(input, prevOutput);
var result = scriptEngine.VerifyScript(UInt256.Zero /*blockHash*/, -1 /*txIndex*/, prevOutput.ScriptPublicKey.ToArray(), tx, inputIndex, script);
Assert.IsTrue(result);
}
}
public virtual void ValidationTransactionScript(ChainedHeader chainedHeader, Transaction tx, int txIndex, TxInput txInput, int txInputIndex, TxOutput prevTxOutput)
{
var scriptEngine = new ScriptEngine(this.IgnoreSignatures);
// create the transaction script from the input and output
var script = txInput.ScriptSignature.Concat(prevTxOutput.ScriptPublicKey);
if (!scriptEngine.VerifyScript(chainedHeader.Hash, txIndex, prevTxOutput.ScriptPublicKey.ToArray(), tx, txInputIndex, script.ToArray()))
{
logger.Debug($"Script did not pass in block: {chainedHeader.Hash}, tx: {txIndex}, {tx.Hash}, input: {txInputIndex}");
throw new ValidationException(chainedHeader.Hash);
}
}