public void PruneStates(bool secure)
{
var values = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Binary)GetRandomBytes(4096))
.Add("bar", (Text)ByteUtil.Hex(GetRandomBytes(2048)))
.Add("baz", (Bencodex.Types.Boolean)false)
.Add("qux", Bencodex.Types.Dictionary.Empty)
.Add(
"zzz",
Bencodex.Types.Dictionary.Empty
.Add("binary", GetRandomBytes(4096))
.Add("text", ByteUtil.Hex(GetRandomBytes(2048))));
var stateStore = new TrieStateStore(_stateKeyValueStore, secure);
ITrie first = stateStore.Commit(null, values);
int prevStatesCount = _stateKeyValueStore.ListKeys().Count();
ImmutableDictionary <string, IValue> nextStates =
values.SetItem("foo", (Binary)GetRandomBytes(4096));
ITrie second = stateStore.Commit(first.Hash, nextStates);
// foo = 0x666f6f
// updated branch node (0x6, aka root) + updated branch node (0x66) +
// updated short node + new value nodes
Assert.Equal(prevStatesCount + 4, _stateKeyValueStore.ListKeys().Count());
stateStore.PruneStates(ImmutableHashSet <HashDigest <SHA256> > .Empty.Add(second.Hash));
// It will stay at the same count of nodes.
// FIXME: Bencodex fingerprints also should be tracked.
// https://github.com/planetarium/libplanet/issues/1653
Assert.Equal(prevStatesCount, _stateKeyValueStore.ListKeys().Count());
}
public void PruneStates(bool secure)
{
var values = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Binary)GetRandomBytes(32))
.Add("bar", (Text)ByteUtil.Hex(GetRandomBytes(32)))
.Add("baz", (Bencodex.Types.Boolean)false)
.Add("qux", Bencodex.Types.Dictionary.Empty);
var stateStore = new TrieStateStore(_stateKeyValueStore, secure);
ITrie first = stateStore.Commit(null, values);
int prevStatesCount = _stateKeyValueStore.ListKeys().Count();
ImmutableDictionary <string, IValue> nextStates =
values.SetItem("foo", (Binary)GetRandomBytes(32));
ITrie second = stateStore.Commit(first.Hash, nextStates);
// foo = 0x666f6f
// updated branch node (0x6, aka root) + updated branch node (0x66) +
// updated short node + new value node
Assert.Equal(prevStatesCount + 4, _stateKeyValueStore.ListKeys().Count());
stateStore.PruneStates(ImmutableHashSet <HashDigest <SHA256> > .Empty.Add(second.Hash));
// It will stay at the same count of nodes.
Assert.Equal(prevStatesCount, _stateKeyValueStore.ListKeys().Count());
}
public void GetStateRoot(bool secure)
{
var stateStore = new TrieStateStore(_stateKeyValueStore, secure);
ITrie empty = stateStore.GetStateRoot(null);
Assert.True(empty.Recorded);
Assert.Null(empty.Get(new[] { KeyFoo })[0]);
Assert.Null(empty.Get(new[] { KeyBar })[0]);
Assert.Null(empty.Get(new[] { KeyBaz })[0]);
Assert.Null(empty.Get(new[] { KeyQux })[0]);
Assert.Null(empty.Get(new[] { KeyQuux })[0]);
var values = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Binary)GetRandomBytes(32))
.Add("bar", (Text)ByteUtil.Hex(GetRandomBytes(32)))
.Add("baz", (Bencodex.Types.Boolean)false)
.Add("qux", Bencodex.Types.Dictionary.Empty);
HashDigest <SHA256> hash = stateStore.Commit(null, values).Hash;
ITrie found = stateStore.GetStateRoot(hash);
Assert.True(found.Recorded);
AssertBencodexEqual(values["foo"], found.Get(new[] { KeyFoo })[0]);
AssertBencodexEqual(values["bar"], found.Get(new[] { KeyBar })[0]);
AssertBencodexEqual(values["baz"], found.Get(new[] { KeyBaz })[0]);
AssertBencodexEqual(values["qux"], found.Get(new[] { KeyQux })[0]);
Assert.Null(found.Get(new[] { KeyQuux })[0]);
}
public void GetStateRoot(bool secure)
{
var stateStore = new TrieStateStore(_stateKeyValueStore, secure);
ITrie empty = stateStore.GetStateRoot(null);
Assert.True(empty.Recorded);
Assert.False(empty.TryGet(KeyFoo, out _));
Assert.False(empty.TryGet(KeyBar, out _));
Assert.False(empty.TryGet(KeyBaz, out _));
Assert.False(empty.TryGet(KeyQux, out _));
Assert.False(empty.TryGet(KeyQuux, out _));
var values = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Binary)GetRandomBytes(32))
.Add("bar", (Text)ByteUtil.Hex(GetRandomBytes(32)))
.Add("baz", (Bencodex.Types.Boolean)false)
.Add("qux", Bencodex.Types.Dictionary.Empty);
HashDigest <SHA256> hash = stateStore.Commit(null, values, rehearsal: true).Hash;
ITrie notFound = stateStore.GetStateRoot(hash);
Assert.False(notFound.Recorded);
IValue value;
stateStore.Commit(null, values, rehearsal: false);
ITrie found = stateStore.GetStateRoot(hash);
Assert.True(found.Recorded);
Assert.True(found.TryGet(KeyFoo, out value));
AssertBencodexEqual(values["foo"], value);
Assert.True(found.TryGet(KeyBar, out value));
AssertBencodexEqual(values["bar"], value);
Assert.True(found.TryGet(KeyBaz, out value));
AssertBencodexEqual(values["baz"], value);
Assert.True(found.TryGet(KeyQux, out value));
AssertBencodexEqual(values["qux"], value);
Assert.False(empty.TryGet(KeyQuux, out _));
}
public void CopyStates(bool secure)
{
var values = ImmutableDictionary <string, IValue> .Empty
.Add("foo", (Binary)GetRandomBytes(4096))
.Add("bar", (Text)ByteUtil.Hex(GetRandomBytes(2048)))
.Add("baz", (Bencodex.Types.Boolean)false)
.Add("qux", Bencodex.Types.Dictionary.Empty)
.Add(
"zzz",
Bencodex.Types.Dictionary.Empty
.Add("binary", GetRandomBytes(4096))
.Add("text", ByteUtil.Hex(GetRandomBytes(2048))));
var stateStore = new TrieStateStore(_stateKeyValueStore, secure);
IKeyValueStore targetStateKeyValueStore = new MemoryKeyValueStore();
var targetStateStore = new TrieStateStore(targetStateKeyValueStore, secure);
ITrie trie = stateStore.Commit(null, values);
int prevStatesCount = _stateKeyValueStore.ListKeys().Count();
_stateKeyValueStore.Set(
new KeyBytes("alpha", Encoding.UTF8),
ByteUtil.ParseHex("00"));
_stateKeyValueStore.Set(
new KeyBytes("beta", Encoding.UTF8),
ByteUtil.ParseHex("00"));
Assert.Equal(prevStatesCount + 2, _stateKeyValueStore.ListKeys().Count());
Assert.Empty(targetStateKeyValueStore.ListKeys());
stateStore.CopyStates(
ImmutableHashSet <HashDigest <SHA256> > .Empty.Add(trie.Hash),
targetStateStore);
// It will stay at the same count of nodes.
// FIXME: Bencodex fingerprints also should be tracked.
// https://github.com/planetarium/libplanet/issues/1653
Assert.Equal(prevStatesCount, targetStateKeyValueStore.ListKeys().Count());
}