diff options
Diffstat (limited to 'ethtrie')
-rw-r--r-- | ethtrie/slice.go | 12 | ||||
-rw-r--r-- | ethtrie/trie.go | 11 | ||||
-rw-r--r-- | ethtrie/trie_test.go | 41 |
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"}, |