public void Can_collect_stats()
{
MemDb memDb = new MemDb();
IDb stateDb = memDb;
TrieStore trieStore = new TrieStore(stateDb, new MemoryLimit(0.MB()), Persist.EveryBlock, LimboLogs.Instance);
StateProvider stateProvider = new StateProvider(trieStore, stateDb, LimboLogs.Instance);
StorageProvider storageProvider = new StorageProvider(trieStore, stateProvider, LimboLogs.Instance);
stateProvider.CreateAccount(TestItem.AddressA, 1);
Keccak codeHash = stateProvider.UpdateCode(new byte[] { 1, 2, 3 });
stateProvider.UpdateCodeHash(TestItem.AddressA, codeHash, Istanbul.Instance);
stateProvider.CreateAccount(TestItem.AddressB, 1);
Keccak codeHash2 = stateProvider.UpdateCode(new byte[] { 1, 2, 3, 4 });
stateProvider.UpdateCodeHash(TestItem.AddressB, codeHash2, Istanbul.Instance);
for (int i = 0; i < 1000; i++)
{
StorageCell storageCell = new StorageCell(TestItem.AddressA, (UInt256)i);
storageProvider.Set(storageCell, new byte[] { (byte)i });
}
storageProvider.Commit();
stateProvider.Commit(Istanbul.Instance);
storageProvider.CommitTrees(0);
stateProvider.CommitTree(0);
storageProvider.CommitTrees(1);
stateProvider.CommitTree(1);
memDb.Delete(codeHash2); // missing code
Keccak storageKey = new Keccak("0x345e54154080bfa9e8f20c99d7a0139773926479bc59e5b4f830ad94b6425332");
memDb.Delete(storageKey); // deletes some storage
trieStore.ClearCache();
TrieStatsCollector statsCollector = new TrieStatsCollector(stateDb, LimboLogs.Instance);
stateProvider.Accept(statsCollector, stateProvider.StateRoot);
var stats = statsCollector.Stats;
stats.CodeCount.Should().Be(1);
stats.MissingCode.Should().Be(1);
stats.NodesCount.Should().Be(1348);
stats.StateBranchCount.Should().Be(1);
stats.StateExtensionCount.Should().Be(1);
stats.AccountCount.Should().Be(2);
stats.StorageCount.Should().Be(1343);
stats.StorageBranchCount.Should().Be(337);
stats.StorageExtensionCount.Should().Be(12);
stats.StorageLeafCount.Should().Be(994);
stats.MissingStorage.Should().Be(1);
}
public void Can_accepts_visitors()
{
StateProvider provider = new StateProvider(new StateDb(new MemDb()), Substitute.For <IDb>(), Logger);
provider.CreateAccount(TestItem.AddressA, 1.Ether());
provider.Commit(MuirGlacier.Instance);
provider.CommitTree();
TrieStatsCollector visitor = new TrieStatsCollector(new MemDb(), LimboLogs.Instance);
provider.Accept(visitor, provider.StateRoot);
}
