public void ReorgChain_FailsPartialValidation_Nodes_Disconnected()
{
using (var builder = NodeBuilder.Create(this))
{
var stratisNoValidationRulesNetwork = new StratisRegTestNoValidationRules();
var minerA = builder.CreateStratisPosNode(this.posNetwork).WithDummyWallet().Start();
var minerB = builder.CreateStratisPosNode(stratisNoValidationRulesNetwork).NoValidation().WithDummyWallet().Start();
// MinerA mines 5 blocks
TestHelper.MineBlocks(minerA, 5);
// MinerB syncs with MinerA
TestHelper.ConnectAndSync(minerB, minerA);
// Disconnect minerA from miner B
TestHelper.Disconnect(minerB, minerA);
// Miner A continues to mine to height 9
TestHelper.MineBlocks(minerA, 4);
TestHelper.WaitLoop(() => minerA.FullNode.ConsensusManager().Tip.Height == 9);
// MinerB mines 5 more blocks:
// Block 6,7,9,10 = valid
// Block 8 = invalid
TestHelper.BuildBlocks.OnNode(minerB).Amount(5).Invalid(8, (coreNode, block) => BlockBuilder.InvalidDuplicateCoinbase(coreNode, block)).BuildAsync();
// Reconnect minerA to minerB.
// This will cause the reorg chain to fail at block 8 and roll back any changes.
TestHelper.Connect(minerA, minerB);
TestHelper.WaitLoop(() => minerA.FullNode.ConsensusManager().Tip.Height == 9);
TestHelper.WaitLoop(() => minerB.FullNode.ConsensusManager().Tip.Height == 10);
}
}
public void ReorgChain_FailsFullValidation_Reconnect_OldChain_FromSecondMiner_Disconnected()
{
using (var builder = NodeBuilder.Create(this))
{
var stratisNoValidationRulesNetwork = new StratisRegTestNoValidationRules();
var minerA = builder.CreateStratisPosNode(this.posNetwork).WithDummyWallet().Start();
var syncer = builder.CreateStratisPosNode(this.posNetwork).Start();
var minerB = builder.CreateStratisPosNode(stratisNoValidationRulesNetwork).NoValidation().WithDummyWallet().Start();
// MinerA mines 5 blocks
TestHelper.MineBlocks(minerA, 5);
// MinerB and Syncer syncs with MinerA
TestHelper.ConnectAndSync(minerB, minerA);
TestHelper.ConnectAndSync(syncer, minerA);
// Disconnect minerB from miner A
TestHelper.Disconnect(minerB, minerA);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(minerB));
// Miner A continues to mine to height 9
TestHelper.MineBlocks(minerA, 4);
TestHelper.WaitLoop(() => minerA.FullNode.ConsensusManager().Tip.Height == 9);
TestHelper.WaitLoop(() => minerB.FullNode.ConsensusManager().Tip.Height == 5);
TestHelper.WaitLoop(() => syncer.FullNode.ConsensusManager().Tip.Height == 9);
// Disconnect syncer from minerA
TestHelper.Disconnect(syncer, minerA);
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnected(minerA));
// MinerB mines 5 more blocks:
// Block 6,7,9,10 = valid
// Block 8 = invalid
TestHelper.BuildBlocks.OnNode(minerB).Amount(5).Invalid(8, (coreNode, block) => BlockBuilder.InvalidCoinbaseReward(coreNode, block)).BuildAsync();
// Reconnect syncer to minerB causing the following to happen:
// Reorg from blocks 9 to 5.
// Connect blocks 5 to 10
// Block 8 fails.
// Reorg from 7 to 5
// Reconnect blocks 6 to 9
TestHelper.Connect(syncer, minerB);
TestHelper.AreNodesSynced(minerA, syncer);
TestHelper.WaitLoop(() => minerA.FullNode.ConsensusManager().Tip.Height == 9);
TestHelper.WaitLoop(() => minerB.FullNode.ConsensusManager().Tip.Height == 10);
TestHelper.WaitLoop(() => syncer.FullNode.ConsensusManager().Tip.Height == 9);
}
}
public void ReorgChain_FailsFullValidation_ChainHasBlocksAndHeadersOnly_NodesDisconnected()
{
using (var builder = NodeBuilder.Create(this))
{
var stratisNoValidationRulesNetwork = new StratisRegTestNoValidationRules();
var minerA = builder.CreateStratisPosNode(new StratisRegTest()).WithDummyWallet().Start();
var minerB = builder.CreateStratisPosNode(new StratisRegTest()).WithDummyWallet().Start();
var minerC = builder.CreateStratisPosNode(stratisNoValidationRulesNetwork).NoValidation().WithDummyWallet().Start();
// MinerA mines 5 blocks
TestHelper.MineBlocks(minerA, 5);
// MinerB and MinerC syncs with MinerA
TestHelper.ConnectAndSync(minerA, minerB, minerC);
// Disconnect MinerC from MinerA
TestHelper.Disconnect(minerA, minerC);
// MinerA continues to mine to height 9
TestHelper.MineBlocks(minerA, 4);
TestHelper.WaitLoop(() => minerA.FullNode.ConsensusManager().Tip.Height == 9);
TestHelper.WaitLoop(() => minerB.FullNode.ConsensusManager().Tip.Height == 9);
TestHelper.WaitLoop(() => minerC.FullNode.ConsensusManager().Tip.Height == 5);
// MinerB continues to mine to block 13 without block propogation
TestHelper.DisableBlockPropagation(minerB, minerA);
TestHelper.MineBlocks(minerB, 4);
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerA, 9));
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerB, 13));
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerC, 5));
// MinerB mines 5 more blocks:
// Block 6,7,9,10 = valid
// Block 8 = invalid
TestHelper.BuildBlocks.OnNode(minerC).Amount(5).Invalid(8, (coreNode, block) => BlockBuilder.InvalidCoinbaseReward(coreNode, block)).BuildAsync();
// Reconnect MinerA to MinerC.
TestHelper.Connect(minerA, minerC);
// MinerC should be disconnected from MinerA
TestHelper.WaitLoop(() => !TestHelper.IsNodeConnectedTo(minerA, minerC));
// This will cause the reorg chain to fail at block 8 and roll back any changes.
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerA, 9));
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerB, 13));
TestHelper.WaitLoop(() => TestHelper.IsNodeSyncedAtHeight(minerC, 10));
}
}
