public void TestSegwit_MinedOnCore_ActivatedOn_StratisNode()
{
// This test only verifies that the BIP9 machinery is operating correctly on the Stratis PoW node.
// Since newer versions of Bitcoin Core have segwit always activated from genesis, there is no need to
// perform the reverse version of this test. Much more important are the P2P and mempool tests for
// segwit transactions.
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode coreNode = builder.CreateBitcoinCoreNode(version: "0.15.1");
coreNode.Start();
CoreNode stratisNode = builder.CreateStratisPowNode(KnownNetworks.RegTest).Start();
RPCClient stratisNodeRpc = stratisNode.CreateRPCClient();
RPCClient coreRpc = coreNode.CreateRPCClient();
coreRpc.AddNode(stratisNode.Endpoint, false);
stratisNodeRpc.AddNode(coreNode.Endpoint, false);
// Core (in version 0.15.1) only mines segwit blocks above a certain height on regtest
// See issue for more details https://github.com/stratisproject/StratisBitcoinFullNode/issues/1028
BIP9DeploymentsParameters prevSegwitDeployment = KnownNetworks.RegTest.Consensus.BIP9Deployments[BitcoinBIP9Deployments.Segwit];
KnownNetworks.RegTest.Consensus.BIP9Deployments[BitcoinBIP9Deployments.Segwit] = new BIP9DeploymentsParameters("Test", 1, 0, DateTime.Now.AddDays(50).ToUnixTimestamp(), BIP9DeploymentsParameters.DefaultRegTestThreshold);
try
{
// Generate 450 blocks, block 431 will be segwit activated.
coreRpc.Generate(450);
var cancellationToken = new CancellationTokenSource(TimeSpan.FromMinutes(2)).Token;
TestBase.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == coreNode.CreateRPCClient().GetBestBlockHash(), cancellationToken: cancellationToken);
// Segwit activation on Bitcoin regtest.
// - On regtest deployment state changes every 144 blocks, the threshold for activating a rule is 108 blocks.
// Segwit deployment status should be:
// - Defined up to block 142.
// - Started at block 143 to block 286.
// - LockedIn 287 (as segwit should already be signaled in blocks).
// - Active at block 431.
var consensusLoop = stratisNode.FullNode.NodeService <IConsensusRuleEngine>() as ConsensusRuleEngine;
ThresholdState[] segwitDefinedState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.ChainIndexer.GetHeader(142));
ThresholdState[] segwitStartedState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.ChainIndexer.GetHeader(143));
ThresholdState[] segwitLockedInState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.ChainIndexer.GetHeader(287));
ThresholdState[] segwitActiveState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.ChainIndexer.GetHeader(431));
// Check that segwit got activated at block 431.
Assert.Equal(ThresholdState.Defined, segwitDefinedState.GetValue((int)BitcoinBIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Started, segwitStartedState.GetValue((int)BitcoinBIP9Deployments.Segwit));
Assert.Equal(ThresholdState.LockedIn, segwitLockedInState.GetValue((int)BitcoinBIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Active, segwitActiveState.GetValue((int)BitcoinBIP9Deployments.Segwit));
}
finally
{
KnownNetworks.RegTest.Consensus.BIP9Deployments[BitcoinBIP9Deployments.Segwit] = prevSegwitDeployment;
}
}
}
public void TestSegwit_MinedOnCore_ActivatedOn_StratisNode()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
CoreNode coreNode = builder.CreateBitcoinCoreNode(version: "0.15.1");
coreNode.ConfigParameters.AddOrReplace("debug", "1");
coreNode.ConfigParameters.AddOrReplace("printtoconsole", "0");
coreNode.Start();
CoreNode stratisNode = builder.CreateStratisPowNode(KnownNetworks.RegTest);
stratisNode.Start();
RPCClient stratisNodeRpc = stratisNode.CreateRPCClient();
RPCClient coreRpc = coreNode.CreateRPCClient();
coreRpc.AddNode(stratisNode.Endpoint, false);
stratisNodeRpc.AddNode(coreNode.Endpoint, false);
// core (in version 0.15.1) only mines segwit blocks above a certain height on regtest
// future versions of core will change that behaviour so this test may need to be changed in the future
// see issue for more details https://github.com/stratisproject/StratisBitcoinFullNode/issues/1028
BIP9DeploymentsParameters prevSegwitDeployment = KnownNetworks.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit];
KnownNetworks.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit] = new BIP9DeploymentsParameters(1, 0, DateTime.Now.AddDays(50).ToUnixTimestamp());
try
{
// generate 450 blocks, block 431 will be segwit activated.
coreRpc.Generate(450);
var cancellationToken = new CancellationTokenSource(TimeSpan.FromMinutes(2)).Token;
TestHelper.WaitLoop(() => stratisNode.CreateRPCClient().GetBestBlockHash() == coreNode.CreateRPCClient().GetBestBlockHash(), cancellationToken: cancellationToken);
// segwit activation on Bitcoin regtest.
// - On regtest deployment state changes every 144 block, the threshold for activating a rule is 108 blocks.
// segwit deployment status should be:
// - Defined up to block 142.
// - Started at block 143 to block 286 .
// - LockedIn 287 (as segwit should already be signaled in blocks).
// - Active at block 431.
var consensusLoop = stratisNode.FullNode.NodeService <IConsensusRuleEngine>() as ConsensusRuleEngine;
ThresholdState[] segwitDefinedState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.Chain.GetBlock(142));
ThresholdState[] segwitStartedState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.Chain.GetBlock(143));
ThresholdState[] segwitLockedInState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.Chain.GetBlock(287));
ThresholdState[] segwitActiveState = consensusLoop.NodeDeployments.BIP9.GetStates(stratisNode.FullNode.Chain.GetBlock(431));
// check that segwit is got activated at block 431
Assert.Equal(ThresholdState.Defined, segwitDefinedState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Started, segwitStartedState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.LockedIn, segwitLockedInState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Active, segwitActiveState.GetValue((int)BIP9Deployments.Segwit));
}
finally
{
KnownNetworks.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit] = prevSegwitDeployment;
}
}
}
private static ConcurrentChain GenerateChainWithHeightAndActivatedBip9(int blockAmount, Network network, Key key, BIP9DeploymentsParameters parameter, Target bits = null)
{
var chain = new ConcurrentChain(network);
uint nonce = RandomUtils.GetUInt32();
uint256 prevBlockHash = chain.Genesis.HashBlock;
for (int i = 0; i < blockAmount; i++)
{
Block block = network.Consensus.ConsensusFactory.CreateBlock();
Transaction coinbase = CreateCoinbaseTransaction(network, key, chain.Height + 1);
block.AddTransaction(coinbase);
block.UpdateMerkleRoot();
block.Header.BlockTime = new DateTimeOffset(new DateTime(2017, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddDays(i));
block.Header.HashPrevBlock = prevBlockHash;
block.Header.Nonce = nonce;
if (bits != null)
{
block.Header.Bits = bits;
}
if (parameter != null)
{
uint version = ThresholdConditionCache.VersionbitsTopBits;
version |= ((uint)1) << parameter.Bit;
block.Header.Version = (int)version;
}
chain.SetTip(block.Header);
prevBlockHash = block.GetHash();
}
return(chain);
}
public void TestSegwit_MinedOnCore_ActivatedOn_XelsNode()
{
using (NodeBuilder builder = NodeBuilder.Create(version: "0.15.1"))
{
CoreNode coreNode = builder.CreateNode(false);
coreNode.ConfigParameters.AddOrReplace("debug", "1");
coreNode.ConfigParameters.AddOrReplace("printtoconsole", "0");
coreNode.Start();
CoreNode xelsNode = builder.CreateXelsPowNode(true, fullNodeBuilder =>
{
fullNodeBuilder
.UsePowConsensus()
.UseBlockStore()
.UseWallet()
.UseMempool()
.AddMining()
.AddRPC();
});
RPCClient xelsNodeRpc = xelsNode.CreateRPCClient();
RPCClient coreRpc = coreNode.CreateRPCClient();
coreRpc.AddNode(xelsNode.Endpoint, false);
xelsNodeRpc.AddNode(coreNode.Endpoint, false);
// core (in version 0.15.1) only mines segwit blocks above a certain height on regtest
// future versions of core will change that behaviour so this test may need to be changed in the future
// see issue for more details https://github.com/xelsproject/XelsBitcoinFullNode/issues/1028
BIP9DeploymentsParameters prevSegwitDeployment = Network.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit];
Network.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit] = new BIP9DeploymentsParameters(1, 0, DateTime.Now.AddDays(50).ToUnixTimestamp());
try
{
// generate 450 blocks, block 431 will be segwit activated.
coreRpc.Generate(450);
TestHelper.WaitLoop(() => xelsNode.CreateRPCClient().GetBestBlockHash() == coreNode.CreateRPCClient().GetBestBlockHash());
// segwit activation on Bitcoin regtest.
// - On regtest deployment state changes every 144 block, the threshold for activating a rule is 108 blocks.
// segwit deployment status should be:
// - Defined up to block 142.
// - Started at block 143 to block 286 .
// - LockedIn 287 (as segwit should already be signaled in blocks).
// - Active at block 431.
IConsensusLoop consensusLoop = xelsNode.FullNode.NodeService <IConsensusLoop>();
ThresholdState[] segwitDefinedState = consensusLoop.NodeDeployments.BIP9.GetStates(xelsNode.FullNode.Chain.GetBlock(142));
ThresholdState[] segwitStartedState = consensusLoop.NodeDeployments.BIP9.GetStates(xelsNode.FullNode.Chain.GetBlock(143));
ThresholdState[] segwitLockedInState = consensusLoop.NodeDeployments.BIP9.GetStates(xelsNode.FullNode.Chain.GetBlock(287));
ThresholdState[] segwitActiveState = consensusLoop.NodeDeployments.BIP9.GetStates(xelsNode.FullNode.Chain.GetBlock(431));
// check that segwit is got activated at block 431
Assert.Equal(ThresholdState.Defined, segwitDefinedState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Started, segwitStartedState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.LockedIn, segwitLockedInState.GetValue((int)BIP9Deployments.Segwit));
Assert.Equal(ThresholdState.Active, segwitActiveState.GetValue((int)BIP9Deployments.Segwit));
}
finally
{
Network.RegTest.Consensus.BIP9Deployments[BIP9Deployments.Segwit] = prevSegwitDeployment;
}
}
}
