public void StakeSegwitBlock_UsingOnlySegwitUTXOs()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
// Even though we are mining, we still want to use PoS consensus rules.
Network network = KnownNetworks.StraxRegTest;
CoreNode node = builder.CreateStratisPosNode(network).WithWallet().Start();
var address = BitcoinWitPubKeyAddress.Create(node.FullNode.WalletManager().GetUnusedAddress().Bech32Address, network);
// A P2WPKH scriptPubKey - so that funds get mined into the node's wallet as segwit UTXOs
var script = address.ScriptPubKey;
// Need the premine to be past coinbase maturity so that we can stake with it.
var miner = node.FullNode.NodeService <IPowMining>() as PowMining;
int minStakeConfirmations = ((PosConsensusOptions)network.Consensus.Options).GetStakeMinConfirmations(0, network);
List <uint256> res = miner.GenerateBlocks(new ReserveScript(script), (ulong)minStakeConfirmations + 2, int.MaxValue);
var cancellationToken = new CancellationTokenSource(TimeSpan.FromMinutes(1)).Token;
TestBase.WaitLoop(() => node.CreateRPCClient().GetBlockCount() >= (minStakeConfirmations + 2), cancellationToken: cancellationToken);
TestBase.WaitLoop(() => node.FullNode.WalletManager().WalletTipHeight >= (minStakeConfirmations + 2), cancellationToken: cancellationToken);
var scriptPubKeys = node.FullNode.WalletManager().GetAccounts(node.WalletName).SelectMany(a => a.GetCombinedAddresses()).SelectMany(b => b.Transactions).Select(c => c.ScriptPubKey);
// The wallet must have correctly determined that the block rewards have been mined into addresses it is aware of.
Assert.NotEmpty(scriptPubKeys);
// Check that every UTXO in the wallet has a Segwit scriptPubKey.
foreach (Script scriptPubKey in scriptPubKeys)
{
Assert.True(scriptPubKey.IsScriptType(ScriptType.P2WPKH));
}
// Now need to start staking.
var staker = node.FullNode.NodeService <IPosMinting>() as PosMinting;
staker.Stake(new List <WalletSecret>()
{
new WalletSecret()
{
WalletName = node.WalletName, WalletPassword = node.WalletPassword
}
});
// Wait for the chain height to increase.
TestBase.WaitLoop(() => node.CreateRPCClient().GetBlockCount() >= (minStakeConfirmations + 3), cancellationToken: cancellationToken);
// Get the last staked block.
Block block = node.FullNode.ChainIndexer.Tip.Block;
// Confirm that the staked block is Segwit-ted.
Script commitment = WitnessCommitmentsRule.GetWitnessCommitment(node.FullNode.Network, block);
// We presume that the consensus rules are checking the actual validity of the commitment, we just ensure that it exists here.
Assert.NotNull(commitment);
}
}
public static Transaction SetupValidSegwitTransaction(Features.Wallet.Wallet wallet, string password, HdAddress spendingAddress, HdAddress destinationAddress, HdAddress changeAddress, Money amount, Money fee)
{
Script scriptPubKey = BitcoinWitPubKeyAddress.Create(destinationAddress.Bech32Address, wallet.Network).ScriptPubKey;
return(SetupValidTransaction(wallet, password, spendingAddress, scriptPubKey, changeAddress, amount, fee));
}