public void ConsensusManager_Connect_New_Block_Failed()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
var syncerNetwork = new StratisOverrideRegTest();
var minerA = builder.CreateStratisPosNode(this.posNetwork);
var syncer = builder.CreateStratisPosNode(syncerNetwork);
builder.StartAll();
minerA.NotInIBD().WithWallet();
syncer.NotInIBD();
// Miner A mines to height 11.
TestHelper.MineBlocks(minerA, 11);
// Inject a rule that will fail at block 11 of the new chain
ConsensusRuleEngine engine = syncer.FullNode.NodeService <IConsensusRuleEngine>() as ConsensusRuleEngine;
syncerNetwork.Consensus.FullValidationRules.Insert(1, new FailValidation(11));
engine.Register();
// Connect syncer to Miner A, reorg should fail.
TestHelper.Connect(syncer, minerA);
// Syncer should disconnect from miner A after the failed block.
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnectedTo(syncer, minerA));
// Make sure syncer rolled back
Assert.True(syncer.FullNode.ConsensusManager().Tip.Height == 10);
}
}
public void ColdStakingActivatedOnStratisNode()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
// Create separate network parameters for this test.
var network = new StratisOverrideRegTest();
// Set the date ranges such that ColdStaking will 'Start' immediately after the initial confirmation window.
network.Consensus.BIP9Deployments[StratisBIP9Deployments.ColdStaking] = new BIP9DeploymentsParameters(1, 0, DateTime.Now.AddDays(50).ToUnixTimestamp());
// Set a small confirmation window to reduce time taken by this test.
network.Consensus.MinerConfirmationWindow = 10;
// Minimum number of 'votes' required within the conformation window to reach 'LockedIn' state.
network.Consensus.RuleChangeActivationThreshold = 8;
CoreNode stratisNode = builder.CreateStratisPosNode(network).WithWallet();
stratisNode.Start();
// ColdStaking activation:
// - Deployment state changes every 'MinerConfirmationWindow' blocks.
// - Remains in 'Defined' state until 'startedHeight'.
// - Changes to 'Started' state at 'startedHeight'.
// - Changes to 'LockedIn' state at 'lockedInHeight' (as coldstaking should already be signaled in blocks).
// - Changes to 'Active' state at 'activeHeight'.
int startedHeight = network.Consensus.MinerConfirmationWindow - 1;
int lockedInHeight = startedHeight + network.Consensus.MinerConfirmationWindow;
int activeHeight = lockedInHeight + network.Consensus.MinerConfirmationWindow;
// Generate enough blocks to cover all state changes.
TestHelper.MineBlocks(stratisNode, activeHeight + 1);
// Check that coldstaking states got updated as expected.
ThresholdConditionCache cache = (stratisNode.FullNode.NodeService <IConsensusRuleEngine>() as ConsensusRuleEngine).NodeDeployments.BIP9;
Assert.Equal(ThresholdState.Defined, cache.GetState(stratisNode.FullNode.Chain.GetBlock(startedHeight - 1), StratisBIP9Deployments.ColdStaking));
Assert.Equal(ThresholdState.Started, cache.GetState(stratisNode.FullNode.Chain.GetBlock(startedHeight), StratisBIP9Deployments.ColdStaking));
Assert.Equal(ThresholdState.LockedIn, cache.GetState(stratisNode.FullNode.Chain.GetBlock(lockedInHeight), StratisBIP9Deployments.ColdStaking));
Assert.Equal(ThresholdState.Active, cache.GetState(stratisNode.FullNode.Chain.GetBlock(activeHeight), StratisBIP9Deployments.ColdStaking));
// Verify that the block created before activation does not have the 'CheckColdStakeVerify' flag set.
var rulesEngine = stratisNode.FullNode.NodeService <IConsensusRuleEngine>();
ChainedHeader prevHeader = stratisNode.FullNode.Chain.GetBlock(activeHeight - 1);
DeploymentFlags flags1 = (rulesEngine as ConsensusRuleEngine).NodeDeployments.GetFlags(prevHeader);
Assert.Equal(0, (int)(flags1.ScriptFlags & ScriptVerify.CheckColdStakeVerify));
// Verify that the block created after activation has the 'CheckColdStakeVerify' flag set.
DeploymentFlags flags2 = (rulesEngine as ConsensusRuleEngine).NodeDeployments.GetFlags(stratisNode.FullNode.Chain.Tip);
Assert.NotEqual(0, (int)(flags2.ScriptFlags & ScriptVerify.CheckColdStakeVerify));
}
}
public void ConsensusManager_Reorgs_Then_Try_To_Connect_Longer_Chain__With_Connected_Blocks_And_Fail_Then_Revert_Back()
{
using (NodeBuilder builder = NodeBuilder.Create(this))
{
var syncerNetwork = new StratisOverrideRegTest();
var minerA = builder.CreateStratisPosNode(this.posNetwork);
var minerB = builder.CreateStratisPosNode(this.posNetwork);
var syncer = builder.CreateStratisPosNode(syncerNetwork);
builder.StartAll();
minerA.NotInIBD().WithWallet();
minerB.NotInIBD().WithWallet();
syncer.NotInIBD();
// MinerA mines to height 10.
TestHelper.MineBlocks(minerA, 10);
// Sync the network to height 10.
TestHelper.ConnectAndSync(syncer, minerA, minerB);
// Disable syncer from sending blocks to miner B
TestHelper.DisableBlockPropagation(syncer, minerB);
// Miner A and syncer continues to mine to height 20.
TestHelper.MineBlocks(minerA, 10);
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(syncer, minerA));
// Inject a rule that will fail at block 15 of the new chain.
ConsensusRuleEngine engine = syncer.FullNode.NodeService <IConsensusRuleEngine>() as ConsensusRuleEngine;
syncerNetwork.Consensus.FullValidationRules.Insert(1, new FailValidation(15));
engine.Register();
// Miner B continues to mine to height 30 on a new and longer chain.
TestHelper.MineBlocks(minerB, 20);
// check miner B at height 30.
Assert.True(minerB.FullNode.ConsensusManager().Tip.Height == 30);
// Miner B should become disconnected.
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnectedTo(syncer, minerB));
// Make sure syncer rolled back.
Assert.True(syncer.FullNode.ConsensusManager().Tip.Height == 20);
// Check syncer is still synced with Miner A.
TestHelper.WaitLoop(() => TestHelper.AreNodesSynced(syncer, minerA));
}
}
