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authorobscuren <geffobscura@gmail.com>2014-07-02 19:40:02 +0800
committerobscuren <geffobscura@gmail.com>2014-07-02 19:40:02 +0800
commit6748158ab4e437a983988f5477a2bea56a20e009 (patch)
treef86a89febf9dd81b6d514b1aae9ce35a6bc42776 /ethtrie
parente4d2d00d414704559b38f80a918030613ea1cdf4 (diff)
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Moved methods
Diffstat (limited to 'ethtrie')
-rw-r--r--ethtrie/trie.go93
1 files changed, 47 insertions, 46 deletions
diff --git a/ethtrie/trie.go b/ethtrie/trie.go
index 6a5d3807c..194c98006 100644
--- a/ethtrie/trie.go
+++ b/ethtrie/trie.go
@@ -150,25 +150,11 @@ func NewTrie(db ethutil.Database, Root interface{}) *Trie {
return &Trie{cache: NewCache(db), Root: r, prevRoot: p}
}
-// Save the cached value to the database.
-func (t *Trie) Sync() {
- t.cache.Commit()
- t.prevRoot = copyRoot(t.Root)
-}
-
-func (t *Trie) Undo() {
- t.cache.Undo()
- t.Root = t.prevRoot
-}
-
-func (t *Trie) Cache() *Cache {
- return t.cache
-}
-
/*
* Public (query) interface functions
*/
-func (t *Trie) Update(key string, value string) {
+
+func (t *Trie) Update(key, value string) {
t.mut.Lock()
defer t.mut.Unlock()
@@ -190,7 +176,7 @@ func (t *Trie) Get(key string) string {
defer t.mut.RUnlock()
k := CompactHexDecode(key)
- c := ethutil.NewValue(t.GetState(t.Root, k))
+ c := ethutil.NewValue(t.getState(t.Root, k))
return c.Str()
}
@@ -201,7 +187,7 @@ func (t *Trie) Delete(key string) {
k := CompactHexDecode(key)
- root := t.DeleteState(t.Root, k)
+ root := t.deleteState(t.Root, k)
switch root.(type) {
case string:
t.Root = root
@@ -212,14 +198,44 @@ func (t *Trie) Delete(key string) {
}
}
-func (t *Trie) GetState(node interface{}, key []int) interface{} {
+// Simple compare function which creates a rlp value out of the evaluated objects
+func (t *Trie) Cmp(trie *Trie) bool {
+ return ethutil.NewValue(t.Root).Cmp(ethutil.NewValue(trie.Root))
+}
+
+// Returns a copy of this trie
+func (t *Trie) Copy() *Trie {
+ trie := NewTrie(t.cache.db, t.Root)
+ for key, node := range t.cache.nodes {
+ trie.cache.nodes[key] = node.Copy()
+ }
+
+ return trie
+}
+
+// Save the cached value to the database.
+func (t *Trie) Sync() {
+ t.cache.Commit()
+ t.prevRoot = copyRoot(t.Root)
+}
+
+func (t *Trie) Undo() {
+ t.cache.Undo()
+ t.Root = t.prevRoot
+}
+
+func (t *Trie) Cache() *Cache {
+ return t.cache
+}
+
+func (t *Trie) getState(node interface{}, key []int) interface{} {
n := ethutil.NewValue(node)
// Return the node if key is empty (= found)
if len(key) == 0 || n.IsNil() || n.Len() == 0 {
return node
}
- currentNode := t.GetNode(node)
+ currentNode := t.getNode(node)
length := currentNode.Len()
if length == 0 {
@@ -230,20 +246,20 @@ func (t *Trie) GetState(node interface{}, key []int) interface{} {
v := currentNode.Get(1).Raw()
if len(key) >= len(k) && CompareIntSlice(k, key[:len(k)]) {
- return t.GetState(v, key[len(k):])
+ return t.getState(v, key[len(k):])
} else {
return ""
}
} else if length == 17 {
- return t.GetState(currentNode.Get(key[0]).Raw(), key[1:])
+ return t.getState(currentNode.Get(key[0]).Raw(), key[1:])
}
// It shouldn't come this far
- fmt.Println("GetState unexpected return")
+ fmt.Println("getState unexpected return")
return ""
}
-func (t *Trie) GetNode(node interface{}) *ethutil.Value {
+func (t *Trie) getNode(node interface{}) *ethutil.Value {
n := ethutil.NewValue(node)
if !n.Get(0).IsNil() {
@@ -299,7 +315,7 @@ func (t *Trie) InsertState(node interface{}, key []int, value interface{}) inter
return t.Put(newNode)
}
- currentNode := t.GetNode(node)
+ currentNode := t.getNode(node)
// Check for "special" 2 slice type node
if currentNode.Len() == 2 {
// Decode the key
@@ -358,7 +374,7 @@ func (t *Trie) InsertState(node interface{}, key []int, value interface{}) inter
return ""
}
-func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
+func (t *Trie) deleteState(node interface{}, key []int) interface{} {
if len(key) == 0 {
return ""
}
@@ -369,7 +385,7 @@ func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
return ""
}
- currentNode := t.GetNode(node)
+ currentNode := t.getNode(node)
// Check for "special" 2 slice type node
if currentNode.Len() == 2 {
// Decode the key
@@ -380,8 +396,8 @@ func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
if CompareIntSlice(k, key) {
return ""
} else if CompareIntSlice(key[:len(k)], k) {
- hash := t.DeleteState(v, key[len(k):])
- child := t.GetNode(hash)
+ hash := t.deleteState(v, key[len(k):])
+ child := t.getNode(hash)
var newNode []interface{}
if child.Len() == 2 {
@@ -407,7 +423,7 @@ func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
}
}
- n[key[0]] = t.DeleteState(n[key[0]], key[1:])
+ n[key[0]] = t.deleteState(n[key[0]], key[1:])
amount := -1
for i := 0; i < 17; i++ {
if n[i] != "" {
@@ -421,7 +437,7 @@ func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
if amount == 16 {
newNode = []interface{}{CompactEncode([]int{16}), n[amount]}
} else if amount >= 0 {
- child := t.GetNode(n[amount])
+ child := t.getNode(n[amount])
if child.Len() == 17 {
newNode = []interface{}{CompactEncode([]int{amount}), n[amount]}
} else if child.Len() == 2 {
@@ -439,21 +455,6 @@ func (t *Trie) DeleteState(node interface{}, key []int) interface{} {
return ""
}
-// Simple compare function which creates a rlp value out of the evaluated objects
-func (t *Trie) Cmp(trie *Trie) bool {
- return ethutil.NewValue(t.Root).Cmp(ethutil.NewValue(trie.Root))
-}
-
-// Returns a copy of this trie
-func (t *Trie) Copy() *Trie {
- trie := NewTrie(t.cache.db, t.Root)
- for key, node := range t.cache.nodes {
- trie.cache.nodes[key] = node.Copy()
- }
-
- return trie
-}
-
type TrieIterator struct {
trie *Trie
key string