public void ProcessBlock_NewBlock_BlockNotOnBestChain_ReOrgWalletManagerUsingBlockStoreCache()
{
var result = WalletTestsHelpers.GenerateForkedChainAndBlocksWithHeight(5, Network.StratisMain, 2);
// left side chain containing the 'old' fork.
var leftChain = result.LeftChain;
// right side chain containing the 'new' fork. Work on this.
this.chain = result.RightChain;
var walletSyncManager = new WalletSyncManagerOverride(this.LoggerFactory.Object, this.walletManager.Object, this.chain, Network.StratisMain,
this.blockStoreCache.Object, this.storeSettings, this.nodeLifetime.Object);
// setup blockstorecache to return blocks on the chain.
this.blockStoreCache.Setup(b => b.GetBlockAsync(It.IsAny <uint256>()))
.ReturnsAsync((uint256 hashblock) =>
{
return(result.LeftForkBlocks.Union(result.RightForkBlocks).Single(b => b.GetHash() == hashblock));
});
// set 4th block of the old chain as tip. 2 ahead of the fork thus not being on the right chain.
walletSyncManager.SetWalletTip(leftChain.GetBlock(result.LeftForkBlocks[3].Header.GetHash()));
//process 5th block from the right side of the fork in the list does not have same prevhash as which is loaded.
var blockToProcess = result.RightForkBlocks[4];
walletSyncManager.ProcessBlock(blockToProcess);
// walletmanager removes all blocks up to the fork.
this.walletManager.Verify(w => w.RemoveBlocks(ExpectChainedBlock(this.chain.GetBlock(2))));
var expectedBlockHash = this.chain.GetBlock(5).Header.GetHash();
Assert.Equal(expectedBlockHash, walletSyncManager.WalletTip.Header.GetHash());
//verify manager processes each missing block until caught up.
// height 3
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[2]), ExpectChainedBlock(this.chain.GetBlock(3))));
// height 4
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[3]), ExpectChainedBlock(this.chain.GetBlock(4))));
// height 5
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[4]), ExpectChainedBlock(this.chain.GetBlock(5))), Times.Exactly(2));
}
public void ProcessBlock_NewBlock_BlockNotOnBestChain_ReOrgWalletManagerUsingBlockStoreCache()
{
(ChainIndexer LeftChain, ChainIndexer RightChain, List <Block> LeftForkBlocks, List <Block> RightForkBlocks)result = WalletTestsHelpers.GenerateForkedChainAndBlocksWithHeight(5, KnownNetworks.StratisMain, 2);
// left side chain containing the 'old' fork.
ChainIndexer leftChainIndexer = result.LeftChain;
// right side chain containing the 'new' fork. Work on this.
this.chainIndexer = result.RightChain;
var walletSyncManager = new WalletSyncManagerOverride(this.LoggerFactory.Object, this.walletManager.Object, this.chainIndexer, KnownNetworks.StratisMain,
this.blockStore.Object, this.storeSettings, this.signals, this.asyncProvider);
// setup blockstore to return blocks on the chain.
this.blockStore.Setup(b => b.GetBlock(It.IsAny <uint256>()))
.Returns((uint256 hashblock) =>
{
return(result.LeftForkBlocks.Union(result.RightForkBlocks).Single(b => b.GetHash() == hashblock));
});
// set 4th block of the old chain as tip. 2 ahead of the fork thus not being on the right chain.
walletSyncManager.SetWalletTip(leftChainIndexer.GetHeader(result.LeftForkBlocks[3].Header.GetHash()));
//process 5th block from the right side of the fork in the list does not have same prevhash as which is loaded.
Block blockToProcess = result.RightForkBlocks[4];
blockToProcess.SetPrivatePropertyValue("BlockSize", 1L);
walletSyncManager.ProcessBlock(blockToProcess);
this.AssertTipBlockHash(walletSyncManager, 5);
// walletmanager removes all blocks up to the fork.
this.walletManager.Verify(w => w.RemoveBlocks(ExpectChainedBlock(this.chainIndexer.GetHeader(2))));
//verify manager processes each missing block until caught up.
// height 3
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[2]), ExpectChainedBlock(this.chainIndexer.GetHeader(3))));
// height 4
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[3]), ExpectChainedBlock(this.chainIndexer.GetHeader(4))));
// height 5
this.walletManager.Verify(w => w.ProcessBlock(ExpectBlock(result.RightForkBlocks[4]), ExpectChainedBlock(this.chainIndexer.GetHeader(5))), Times.Exactly(2));
}
public void ProcessBlock_NewBlock_BlockNotOnBestChain_ReOrgWalletManagerUsingBlockStoreCache()
{
(ChainIndexer LeftChain, ChainIndexer RightChain, List <Block> LeftForkBlocks, List <Block> RightForkBlocks)result = WalletTestsHelpers.GenerateForkedChainAndBlocksWithHeight(5, new StraxMain(), 2);
// Left side chain containing the 'old' fork.
ChainIndexer leftChainIndexer = result.LeftChain;
// Right side chain containing the 'new' fork. Work on this.
this.SetupMockObjects(result.RightChain);
// Setup blockstore to return blocks on the chain.
var blockDict = result.LeftForkBlocks.Concat(result.RightForkBlocks).Distinct().ToDictionary(b => b.GetHash(), b => b);
this.blockStore.Setup(b => b.GetBlocks(It.IsAny <List <uint256> >()))
.Returns((List <uint256> blockHashes) => blockHashes.Select(h => blockDict[h]).ToList());
// Set 4th block of the old chain as tip. 2 ahead of the fork thus not being on the right chain.
this.walletManager.Object.RewindWallet(this.walletName, leftChainIndexer.GetHeader(result.LeftForkBlocks[3].Header.GetHash()));
// Rewind identifies height 2 as the last common block instead.
Assert.Equal(2, this.walletTip.Height);
// Sync will start at block 3 and end at block 5 which is the last block on the "right" chain.
this.walletSyncManager.OrchestrateWalletSync();
this.walletRepository.Verify(r => r.ProcessBlocks(
It.Is <IEnumerable <(ChainedHeader header, Block block)> >(c => string.Join(",", c.Select(b => b.header.Height)) == "3,4,5"),
It.IsAny <string>()));
}
