public async Task AcceptToMemoryPool_WithValidP2PKHTxn_IsSuccessfullAsync()
{
string dataDir = Path.Combine("TestData", nameof(MempoolValidatorTest), nameof(this.AcceptToMemoryPool_WithValidP2PKHTxn_IsSuccessfullAsync));
Directory.CreateDirectory(dataDir);
BitcoinSecret minerSecret = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, minerSecret.PubKey.Hash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
BitcoinSecret destSecret = new BitcoinSecret(new Key(), Network.RegTest);
Transaction tx = new Transaction();
tx.AddInput(new TxIn(new OutPoint(context.SrcTxs[0].GetHash(), 0), PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(minerSecret.PubKey)));
tx.AddOutput(new TxOut(new Money(Money.CENT * 11), destSecret.PubKeyHash));
tx.Sign(minerSecret, false);
MempoolValidationState state = new MempoolValidationState(false);
bool isSuccess = await validator.AcceptToMemoryPool(state, tx);
Assert.True(isSuccess, "P2PKH tx not valid.");
Directory.Delete(dataDir, true);
}
public async Task AcceptToMemoryPool_WithP2WSHValidTxns_IsSuccessfullAsync()
{
string dataDir = GetTestDirectoryPath(this);
var miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.ScriptPubKey.WitHash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
var bob = new BitcoinSecret(new Key(), Network.RegTest);
// Fund Bob
// 50 Coins come from first tx on chain - send bob 42 and change back to miner
ScriptCoin witnessCoin = ScriptCoin.Create(Network.RegTest, context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.PubKey.ScriptPubKey.WitHash.ScriptPubKey, miner.PubKey.ScriptPubKey).AssertCoherent(Network.RegTest);
var txBuilder = new TransactionBuilder(Network.RegTest);
Transaction p2wshTx = txBuilder
.AddCoins(witnessCoin)
.AddKeys(miner)
.Send(bob, "42.00")
.SendFees("0.001")
.SetChange(miner)
.BuildTransaction(true);
Assert.True(txBuilder.Verify(p2wshTx)); //check fully signed
var state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, p2wshTx), $"Transaction: {nameof(p2wshTx)} failed mempool validation.");
}
public async void AcceptToMemoryPool_WithP2WPKHValidTxns_IsSuccessfull()
{
string dataDir = Path.Combine("TestData", nameof(MempoolValidatorTest), nameof(this.AcceptToMemoryPool_WithP2WPKHValidTxns_IsSuccessfull));
Directory.CreateDirectory(dataDir);
BitcoinSecret miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = TestChainFactory.Create(Network.RegTest, miner.PubKey.WitHash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
BitcoinSecret bob = new BitcoinSecret(new Key(), Network.RegTest);
// Fund Bob
// 50 Coins come from first tx on chain - send bob 42 and change back to miner
Coin witnessCoin = new Coin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.PubKey.WitHash.ScriptPubKey);
TransactionBuilder txBuilder = new TransactionBuilder();
Transaction p2wpkhTx = txBuilder
.AddCoins(witnessCoin)
.AddKeys(miner)
.Send(bob, "42.00")
.SendFees("0.001")
.SetChange(miner)
.BuildTransaction(true);
Assert.True(txBuilder.Verify(p2wpkhTx)); //check fully signed
MempoolValidationState state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, p2wpkhTx), $"Transaction: {nameof(p2wpkhTx)} failed mempool validation.");
Directory.Delete(dataDir, true);
}
public async void AcceptToMemoryPool_TxAncestorsConflictSpend_ReturnsFalseAsync()
{
// TODO: Execute failure cases for CheckAncestors
// - conflicting spend transaction
string dataDir = GetTestDirectoryPath(this);
var miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.Hash.ScriptPubKey, dataDir).ConfigureAwait(false);
IMempoolValidator validator = context.MempoolValidator;
var bob = new BitcoinSecret(new Key(), Network.RegTest);
var txBuilder = new TransactionBuilder(Network.RegTest);
//Create Coin from first tx on chain
var coin = new Coin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(miner.PubKey));
//Send 10 to Bob and return the rest as change to miner
Transaction originalTx = txBuilder
.AddCoins(coin)
.AddKeys(miner)
.Send(bob, "10.00")
.SendFees("0.001")
.SetChange(miner)
.BuildTransaction(true);
var state = new MempoolValidationState(false);
//Mempool should accept it, there's nothing wrong
Assert.True(await validator.AcceptToMemoryPool(state, originalTx).ConfigureAwait(false), $"Transaction: {nameof(originalTx)} failed mempool validation.");
//Create second transaction spending the same coin
Transaction conflictingTx = txBuilder
.AddCoins(coin)
.AddKeys(miner)
.Send(bob, "10.00")
.SendFees("0.001")
.SetChange(miner)
.BuildTransaction(true);
//Mempool should reject the second transaction
Assert.False(await validator.AcceptToMemoryPool(state, conflictingTx).ConfigureAwait(false), $"Transaction: {nameof(conflictingTx)} should have failed mempool validation.");
Directory.Delete(dataDir, true);
}
public async Task AcceptToMemoryPool_WithSegWitValidTxns_IsSuccessfullAsync()
{
string dataDir = Path.Combine("TestData", nameof(MempoolValidatorTest), nameof(this.AcceptToMemoryPool_WithSegWitValidTxns_IsSuccessfullAsync));
Directory.CreateDirectory(dataDir);
BitcoinSecret miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.ScriptPubKey.WitHash.ScriptPubKey.Hash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
BitcoinSecret bob = new BitcoinSecret(new Key(), Network.RegTest);
// Fund Bob
// 50 Coins come from first tx on chain - send bob 42 and change back to miner
ScriptCoin witnessCoin = new ScriptCoin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.PubKey.ScriptPubKey.WitHash.ScriptPubKey.Hash.ScriptPubKey, miner.PubKey.ScriptPubKey);
TransactionBuilder txBuilder = new TransactionBuilder();
Transaction p2shOverp2wpkh = txBuilder
.AddCoins(witnessCoin)
.AddKeys(miner)
.Send(bob, "42.00")
.SendFees("0.001")
.SetChange(miner)
.BuildTransaction(true);
Assert.True(txBuilder.Verify(p2shOverp2wpkh)); //check fully signed
// remove witness data from tx
Transaction noWitTx = p2shOverp2wpkh.WithOptions(TransactionOptions.None);
Assert.Equal(p2shOverp2wpkh.GetHash(), noWitTx.GetHash());
Assert.True(noWitTx.GetSerializedSize() < p2shOverp2wpkh.GetSerializedSize());
Assert.True(txBuilder.Verify(p2shOverp2wpkh)); //check fully signed
MempoolValidationState state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, p2shOverp2wpkh), $"Transaction: {nameof(p2shOverp2wpkh)} failed mempool validation.");
Directory.Delete(dataDir, true);
}
public async Task AcceptToMemoryPool_WithP2SHValidTxns_IsSuccessfullAsync()
{
string dataDir = GetTestDirectoryPath(this);
var miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.Hash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
var alice = new BitcoinSecret(new Key(), Network.RegTest);
var bob = new BitcoinSecret(new Key(), Network.RegTest);
var satoshi = new BitcoinSecret(new Key(), Network.RegTest);
var nico = new BitcoinSecret(new Key(), Network.RegTest);
// corp needs two out of three of alice, bob, nico
Script corpMultiSig = PayToMultiSigTemplate
.Instance
.GenerateScriptPubKey(2, new[] { alice.PubKey, bob.PubKey, nico.PubKey });
// P2SH address for corp multi-sig
BitcoinScriptAddress corpRedeemAddress = corpMultiSig.GetScriptAddress(Network.RegTest);
// Fund corp
// 50 Coins come from first tx on chain - send corp 42 and change back to miner
var coin = new Coin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.ScriptPubKey);
var txBuilder = new TransactionBuilder(Network.RegTest);
Transaction fundP2shTx = txBuilder
.AddCoins(new List <Coin> {
coin
})
.AddKeys(miner)
.Send(corpRedeemAddress, "42.00")
.SendFees("0.001")
.SetChange(miner.GetAddress())
.BuildTransaction(true);
Assert.True(txBuilder.Verify(fundP2shTx)); //check fully signed
var state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, fundP2shTx), $"Transaction: {nameof(fundP2shTx)} failed mempool validation.");
// AliceBobNico corp. send 20 to Satoshi
Coin[] corpCoins = fundP2shTx.Outputs
.Where(o => o.ScriptPubKey == corpRedeemAddress.ScriptPubKey)
.Select(o => ScriptCoin.Create(Network.RegTest, new OutPoint(fundP2shTx.GetHash(), fundP2shTx.Outputs.IndexOf(o)), o, corpMultiSig))
.ToArray();
txBuilder = new TransactionBuilder(Network.RegTest);
Transaction p2shSpendTx = txBuilder
.AddCoins(corpCoins)
.AddKeys(alice, bob)
.Send(satoshi.GetAddress(), "20")
.SendFees("0.001")
.SetChange(corpRedeemAddress)
.BuildTransaction(true);
Assert.True(txBuilder.Verify(p2shSpendTx));
Assert.True(await validator.AcceptToMemoryPool(state, p2shSpendTx), $"Transaction: {nameof(p2shSpendTx)} failed mempool validation.");
}
public async Task AcceptToMemoryPool_WithMultiSigValidTxns_IsSuccessfullAsync()
{
string dataDir = GetTestDirectoryPath(this);
var miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.Hash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
var alice = new BitcoinSecret(new Key(), Network.RegTest);
var bob = new BitcoinSecret(new Key(), Network.RegTest);
var satoshi = new BitcoinSecret(new Key(), Network.RegTest);
var nico = new BitcoinSecret(new Key(), Network.RegTest);
// corp needs two out of three of alice, bob, nico
Script corpMultiSig = PayToMultiSigTemplate
.Instance
.GenerateScriptPubKey(2, new[] { alice.PubKey, bob.PubKey, nico.PubKey });
// Fund corp
// 50 Coins come from first tx on chain - send corp 42 and change back to miner
var coin = new Coin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.ScriptPubKey);
var txBuilder = new TransactionBuilder(Network.RegTest);
Transaction sendToMultiSigTx = txBuilder
.AddCoins(new List <Coin> {
coin
})
.AddKeys(miner)
.Send(corpMultiSig, "42.00")
.SendFees("0.001")
.SetChange(miner.GetAddress())
.BuildTransaction(true);
Assert.True(txBuilder.Verify(sendToMultiSigTx)); //check fully signed
var state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, sendToMultiSigTx), $"Transaction: {nameof(sendToMultiSigTx)} failed mempool validation.");
// AliceBobNico corp. send to Satoshi
Coin[] corpCoins = sendToMultiSigTx.Outputs
.Where(o => o.ScriptPubKey == corpMultiSig)
.Select(o => new Coin(new OutPoint(sendToMultiSigTx.GetHash(), sendToMultiSigTx.Outputs.IndexOf(o)), o))
.ToArray();
// Alice initiates the transaction
txBuilder = new TransactionBuilder(Network.RegTest);
Transaction multiSigTx = txBuilder
.AddCoins(corpCoins)
.AddKeys(alice)
.Send(satoshi.GetAddress(), "4.5")
.SendFees("0.001")
.SetChange(corpMultiSig)
.BuildTransaction(true);
Assert.True(!txBuilder.Verify(multiSigTx)); //Well, only one signature on the two required...
// Nico completes the transaction
txBuilder = new TransactionBuilder(Network.RegTest);
multiSigTx = txBuilder
.AddCoins(corpCoins)
.AddKeys(nico)
.SignTransaction(multiSigTx);
Assert.True(txBuilder.Verify(multiSigTx));
Assert.True(await validator.AcceptToMemoryPool(state, multiSigTx), $"Transaction: {nameof(multiSigTx)} failed mempool validation.");
}
public async Task AcceptToMemoryPool_WithMultiInOutValidTxns_IsSuccessfullAsync()
{
string dataDir = GetTestDirectoryPath(this);
var miner = new BitcoinSecret(new Key(), Network.RegTest);
ITestChainContext context = await TestChainFactory.CreateAsync(Network.RegTest, miner.PubKey.Hash.ScriptPubKey, dataDir);
IMempoolValidator validator = context.MempoolValidator;
Assert.NotNull(validator);
var alice = new BitcoinSecret(new Key(), Network.RegTest);
var bob = new BitcoinSecret(new Key(), Network.RegTest);
var satoshi = new BitcoinSecret(new Key(), Network.RegTest);
// Fund Alice, Bob, Satoshi
// 50 Coins come from first tx on chain - send satoshi 1, bob 2, Alice 1.5 and change back to miner
var coin = new Coin(context.SrcTxs[0].GetHash(), 0, context.SrcTxs[0].TotalOut, miner.ScriptPubKey);
var txBuilder = new TransactionBuilder(Network.RegTest);
Transaction multiOutputTx = txBuilder
.AddCoins(new List <Coin> {
coin
})
.AddKeys(miner)
.Send(satoshi.GetAddress(), "1.00")
.Send(bob.GetAddress(), "2.00")
.Send(alice.GetAddress(), "1.50")
.SendFees("0.001")
.SetChange(miner.GetAddress())
.BuildTransaction(true);
Assert.True(txBuilder.Verify(multiOutputTx)); //check fully signed
var state = new MempoolValidationState(false);
Assert.True(await validator.AcceptToMemoryPool(state, multiOutputTx), $"Transaction: {nameof(multiOutputTx)} failed mempool validation.");
// Alice then Bob sends to Satoshi
Coin[] aliceCoins = multiOutputTx.Outputs
.Where(o => o.ScriptPubKey == alice.ScriptPubKey)
.Select(o => new Coin(new OutPoint(multiOutputTx.GetHash(), multiOutputTx.Outputs.IndexOf(o)), o))
.ToArray();
Coin[] bobCoins = multiOutputTx.Outputs
.Where(o => o.ScriptPubKey == bob.ScriptPubKey)
.Select(o => new Coin(new OutPoint(multiOutputTx.GetHash(), multiOutputTx.Outputs.IndexOf(o)), o))
.ToArray();
txBuilder = new TransactionBuilder(Network.RegTest);
Transaction multiInputTx = txBuilder
.AddCoins(aliceCoins)
.AddKeys(alice)
.Send(satoshi.GetAddress(), "0.8")
.SetChange(alice.GetAddress())
.SendFees("0.0005")
.Then()
.AddCoins(bobCoins)
.AddKeys(bob)
.Send(satoshi.GetAddress(), "0.2")
.SetChange(bob.GetAddress())
.SendFees("0.0005")
.BuildTransaction(true);
Assert.True(txBuilder.Verify(multiInputTx)); //check fully signed
Assert.True(await validator.AcceptToMemoryPool(state, multiInputTx), $"Transaction: {nameof(multiInputTx)} failed mempool validation.");
}