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-rw-r--r--ethtrie/slice.go12
-rw-r--r--ethtrie/trie.go11
-rw-r--r--ethtrie/trie_test.go41
3 files changed, 35 insertions, 29 deletions
diff --git a/ethtrie/slice.go b/ethtrie/slice.go
index b9d5d1285..cf4e8df7a 100644
--- a/ethtrie/slice.go
+++ b/ethtrie/slice.go
@@ -1,6 +1,6 @@
package ethtrie
-import ()
+import "math"
// Helper function for comparing slices
func CompareIntSlice(a, b []int) bool {
@@ -17,9 +17,13 @@ func CompareIntSlice(a, b []int) bool {
// Returns the amount of nibbles that match each other from 0 ...
func MatchingNibbleLength(a, b []int) int {
- i := 0
- for CompareIntSlice(a[:i+1], b[:i+1]) && i < len(b) {
- i += 1
+ var i, length = 0, int(math.Min(float64(len(a)), float64(len(b))))
+
+ for i < length {
+ if a[i] != b[i] {
+ break
+ }
+ i++
}
return i
diff --git a/ethtrie/trie.go b/ethtrie/trie.go
index f0f3fe5a8..38ae0754d 100644
--- a/ethtrie/trie.go
+++ b/ethtrie/trie.go
@@ -3,16 +3,17 @@ package ethtrie
import (
"bytes"
"fmt"
- "github.com/ethereum/eth-go/ethcrypto"
- "github.com/ethereum/eth-go/ethutil"
_ "reflect"
"sync"
+
+ "github.com/ethereum/eth-go/ethcrypto"
+ "github.com/ethereum/eth-go/ethutil"
)
func __ignore() { fmt.Println("") }
func ParanoiaCheck(t1 *Trie) (bool, *Trie) {
- t2 := NewTrie(ethutil.Config.Db, "")
+ t2 := New(ethutil.Config.Db, "")
t1.NewIterator().Each(func(key string, v *ethutil.Value) {
t2.Update(key, v.Str())
@@ -158,7 +159,7 @@ func copyRoot(root interface{}) interface{} {
return prevRootCopy
}
-func NewTrie(db ethutil.Database, Root interface{}) *Trie {
+func New(db ethutil.Database, Root interface{}) *Trie {
// Make absolute sure the root is copied
r := copyRoot(Root)
p := copyRoot(Root)
@@ -221,7 +222,7 @@ func (t *Trie) Cmp(trie *Trie) bool {
// Returns a copy of this trie
func (t *Trie) Copy() *Trie {
- trie := NewTrie(t.cache.db, t.Root)
+ trie := New(t.cache.db, t.Root)
for key, node := range t.cache.nodes {
trie.cache.nodes[key] = node.Copy()
}
diff --git a/ethtrie/trie_test.go b/ethtrie/trie_test.go
index 3989a8f45..2661f8f25 100644
--- a/ethtrie/trie_test.go
+++ b/ethtrie/trie_test.go
@@ -5,13 +5,14 @@ import (
_ "encoding/hex"
_ "encoding/json"
"fmt"
- "github.com/ethereum/eth-go/ethutil"
_ "io/ioutil"
_ "math/rand"
_ "net/http"
_ "reflect"
"testing"
_ "time"
+
+ "github.com/ethereum/eth-go/ethutil"
)
const LONG_WORD = "1234567890abcdefghijklmnopqrstuvwxxzABCEFGHIJKLMNOPQRSTUVWXYZ"
@@ -38,14 +39,14 @@ func (db *MemDatabase) Print() {}
func (db *MemDatabase) Close() {}
func (db *MemDatabase) LastKnownTD() []byte { return nil }
-func New() (*MemDatabase, *Trie) {
+func NewTrie() (*MemDatabase, *Trie) {
db, _ := NewMemDatabase()
- return db, NewTrie(db, "")
+ return db, New(db, "")
}
/*
func TestTrieSync(t *testing.T) {
- db, trie := New()
+ db, trie := NewTrie()
trie.Update("dog", LONG_WORD)
if len(db.db) != 0 {
@@ -59,7 +60,7 @@ func TestTrieSync(t *testing.T) {
}
func TestTrieDirtyTracking(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("dog", LONG_WORD)
if !trie.cache.IsDirty {
t.Error("Expected trie to be dirty")
@@ -79,7 +80,7 @@ func TestTrieDirtyTracking(t *testing.T) {
}
func TestTrieReset(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("cat", LONG_WORD)
if len(trie.cache.nodes) == 0 {
@@ -94,7 +95,7 @@ func TestTrieReset(t *testing.T) {
}
func TestTrieGet(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("cat", LONG_WORD)
x := trie.Get("cat")
@@ -104,7 +105,7 @@ func TestTrieGet(t *testing.T) {
}
func TestTrieUpdating(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("cat", LONG_WORD)
trie.Update("cat", LONG_WORD+"1")
x := trie.Get("cat")
@@ -114,8 +115,8 @@ func TestTrieUpdating(t *testing.T) {
}
func TestTrieCmp(t *testing.T) {
- _, trie1 := New()
- _, trie2 := New()
+ _, trie1 := NewTrie()
+ _, trie2 := NewTrie()
trie1.Update("doge", LONG_WORD)
trie2.Update("doge", LONG_WORD)
@@ -131,7 +132,7 @@ func TestTrieCmp(t *testing.T) {
}
func TestTrieDelete(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("cat", LONG_WORD)
exp := trie.Root
trie.Update("dog", LONG_WORD)
@@ -150,7 +151,7 @@ func TestTrieDelete(t *testing.T) {
}
func TestTrieDeleteWithValue(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("c", LONG_WORD)
exp := trie.Root
trie.Update("ca", LONG_WORD)
@@ -164,7 +165,7 @@ func TestTrieDeleteWithValue(t *testing.T) {
}
func TestTriePurge(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("c", LONG_WORD)
trie.Update("ca", LONG_WORD)
trie.Update("cat", LONG_WORD)
@@ -248,7 +249,7 @@ func CreateTests(uri string, cb func(Test)) map[string]Test {
func TestRemote(t *testing.T) {
CreateTests("https://raw.githubusercontent.com/ethereum/tests/develop/trietest.json", func(test Test) {
- _, trie := New()
+ _, trie := NewTrie()
for key, value := range test.In {
trie.Update(get(key), get(value))
}
@@ -263,12 +264,12 @@ func TestRemote(t *testing.T) {
func TestTrieReplay(t *testing.T) {
CreateTests("https://raw.githubusercontent.com/ethereum/tests/develop/trietest.json", func(test Test) {
- _, trie := New()
+ _, trie := NewTrie()
for key, value := range test.In {
trie.Update(get(key), get(value))
}
- _, trie2 := New()
+ _, trie2 := NewTrie()
trie.NewIterator().Each(func(key string, v *ethutil.Value) {
trie2.Update(key, v.Str())
})
@@ -314,7 +315,7 @@ func TestRegression(t *testing.T) {
roots := make(map[string]int)
for i := 0; i < MaxTest; i++ {
- _, trie := New()
+ _, trie := NewTrie()
data := RandomData()
for _, test := range data {
@@ -333,7 +334,7 @@ func TestRegression(t *testing.T) {
}
func TestDelete(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
trie.Update("a", "jeffreytestlongstring")
trie.Update("aa", "otherstring")
@@ -352,7 +353,7 @@ func TestDelete(t *testing.T) {
trie.Update("aaaa", "testmegood")
fmt.Println("aa =>", trie.Get("aa"))
- _, t2 := New()
+ _, t2 := NewTrie()
trie.NewIterator().Each(func(key string, v *ethutil.Value) {
if key == "aaaa" {
t2.Update(key, v.Str())
@@ -369,7 +370,7 @@ func TestDelete(t *testing.T) {
*/
func TestRndCase(t *testing.T) {
- _, trie := New()
+ _, trie := NewTrie()
data := []struct{ k, v string }{
{"0000000000000000000000000000000000000000000000000000000000000001", "a07573657264617461000000000000000000000000000000000000000000000000"},