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Geth-Modification
Commit db4aaedc authored by obscuren's avatar obscuren
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Moved ptrie => trie. Removed old trie

parent 982c812e
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Inline Side-by-side
Showing with 457 additions and 1643 deletions
core/types/derive_sha.go
View file @ db4aaedc
......@@ -3,7 +3,7 @@ package types
import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/ptrie"
"github.com/ethereum/go-ethereum/trie"
)
type DerivableList interface {
......@@ -13,7 +13,7 @@ type DerivableList interface {
func DeriveSha(list DerivableList) []byte {
db, _ := ethdb.NewMemDatabase()
trie := ptrie.New(nil, db)
trie := trie.New(nil, db)
for i := 0; i < list.Len(); i++ {
trie.Update(ethutil.Encode(i), list.GetRlp(i))
}
......
ptrie/iterator.go deleted 100644 → 0
View file @ 982c812e
package ptrie
import (
"bytes"
"github.com/ethereum/go-ethereum/trie"
)
type Iterator struct {
trie *Trie
Key []byte
Value []byte
}
func NewIterator(trie *Trie) *Iterator {
return &Iterator{trie: trie, Key: make([]byte, 32)}
}
func (self *Iterator) Next() bool {
self.trie.mu.Lock()
defer self.trie.mu.Unlock()
key := trie.RemTerm(trie.CompactHexDecode(string(self.Key)))
k := self.next(self.trie.root, key)
self.Key = []byte(trie.DecodeCompact(k))
return len(k) > 0
}
func (self *Iterator) next(node Node, key []byte) []byte {
if node == nil {
return nil
}
switch node := node.(type) {
case *FullNode:
if len(key) > 0 {
k := self.next(node.branch(key[0]), key[1:])
if k != nil {
return append([]byte{key[0]}, k...)
}
}
var r byte
if len(key) > 0 {
r = key[0] + 1
}
for i := r; i < 16; i++ {
k := self.key(node.branch(byte(i)))
if k != nil {
return append([]byte{i}, k...)
}
}
case *ShortNode:
k := trie.RemTerm(node.Key())
if vnode, ok := node.Value().(*ValueNode); ok {
if bytes.Compare([]byte(k), key) > 0 {
self.Value = vnode.Val()
return k
}
} else {
cnode := node.Value()
var ret []byte
skey := key[len(k):]
if trie.BeginsWith(key, k) {
ret = self.next(cnode, skey)
} else if bytes.Compare(k, key[:len(k)]) > 0 {
ret = self.key(node)
}
if ret != nil {
return append(k, ret...)
}
}
}
return nil
}
func (self *Iterator) key(node Node) []byte {
switch node := node.(type) {
case *ShortNode:
// Leaf node
if vnode, ok := node.Value().(*ValueNode); ok {
k := trie.RemTerm(node.Key())
self.Value = vnode.Val()
return k
} else {
k := trie.RemTerm(node.Key())
return append(k, self.key(node.Value())...)
}
case *FullNode:
if node.Value() != nil {
self.Value = node.Value().(*ValueNode).Val()
return []byte{16}
}
for i := 0; i < 16; i++ {
k := self.key(node.branch(byte(i)))
if k != nil {
return append([]byte{byte(i)}, k...)
}
}
}
return nil
}
ptrie/trie.go deleted 100644 → 0
View file @ 982c812e
package ptrie
import (
"bytes"
"container/list"
"fmt"
"sync"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/trie"
)
func ParanoiaCheck(t1 *Trie, backend Backend) (bool, *Trie) {
t2 := New(nil, backend)
it := t1.Iterator()
for it.Next() {
t2.Update(it.Key, it.Value)
}
return bytes.Equal(t2.Hash(), t1.Hash()), t2
}
type Trie struct {
mu sync.Mutex
root Node
roothash []byte
cache *Cache
revisions *list.List
}
func New(root []byte, backend Backend) *Trie {
trie := &Trie{}
trie.revisions = list.New()
trie.roothash = root
trie.cache = NewCache(backend)
if root != nil {
value := ethutil.NewValueFromBytes(trie.cache.Get(root))
trie.root = trie.mknode(value)
}
return trie
}
func (self *Trie) Iterator() *Iterator {
return NewIterator(self)
}
func (self *Trie) Copy() *Trie {
return New(self.roothash, self.cache.backend)
}
// Legacy support
func (self *Trie) Root() []byte { return self.Hash() }
func (self *Trie) Hash() []byte {
var hash []byte
if self.root != nil {
t := self.root.Hash()
if byts, ok := t.([]byte); ok && len(byts) > 0 {
hash = byts
} else {
hash = crypto.Sha3(ethutil.Encode(self.root.RlpData()))
}
} else {
hash = crypto.Sha3(ethutil.Encode(""))
}
if !bytes.Equal(hash, self.roothash) {
self.revisions.PushBack(self.roothash)
self.roothash = hash
}
return hash
}
func (self *Trie) Commit() {
self.mu.Lock()
defer self.mu.Unlock()
// Hash first
self.Hash()
self.cache.Flush()
}
// Reset should only be called if the trie has been hashed
func (self *Trie) Reset() {
self.mu.Lock()
defer self.mu.Unlock()
self.cache.Reset()
if self.revisions.Len() > 0 {
revision := self.revisions.Remove(self.revisions.Back()).([]byte)
self.roothash = revision
}
value := ethutil.NewValueFromBytes(self.cache.Get(self.roothash))
self.root = self.mknode(value)
}
func (self *Trie) UpdateString(key, value string) Node { return self.Update([]byte(key), []byte(value)) }
func (self *Trie) Update(key, value []byte) Node {
self.mu.Lock()
defer self.mu.Unlock()
k := trie.CompactHexDecode(string(key))
if len(value) != 0 {
self.root = self.insert(self.root, k, &ValueNode{self, value})
} else {
self.root = self.delete(self.root, k)
}
return self.root
}
func (self *Trie) GetString(key string) []byte { return self.Get([]byte(key)) }
func (self *Trie) Get(key []byte) []byte {
self.mu.Lock()
defer self.mu.Unlock()
k := trie.CompactHexDecode(string(key))
n := self.get(self.root, k)
if n != nil {
return n.(*ValueNode).Val()
}
return nil
}
func (self *Trie) DeleteString(key string) Node { return self.Delete([]byte(key)) }
func (self *Trie) Delete(key []byte) Node {
self.mu.Lock()
defer self.mu.Unlock()
k := trie.CompactHexDecode(string(key))
self.root = self.delete(self.root, k)
return self.root
}
func (self *Trie) insert(node Node, key []byte, value Node) Node {
if len(key) == 0 {
return value
}
if node == nil {
return NewShortNode(self, key, value)
}
switch node := node.(type) {
case *ShortNode:
k := node.Key()
cnode := node.Value()
if bytes.Equal(k, key) {
return NewShortNode(self, key, value)
}
var n Node
matchlength := trie.MatchingNibbleLength(key, k)
if matchlength == len(k) {
n = self.insert(cnode, key[matchlength:], value)
} else {
pnode := self.insert(nil, k[matchlength+1:], cnode)
nnode := self.insert(nil, key[matchlength+1:], value)
fulln := NewFullNode(self)
fulln.set(k[matchlength], pnode)
fulln.set(key[matchlength], nnode)
n = fulln
}
if matchlength == 0 {
return n
}
return NewShortNode(self, key[:matchlength], n)
case *FullNode:
cpy := node.Copy().(*FullNode)
cpy.set(key[0], self.insert(node.branch(key[0]), key[1:], value))
return cpy
default:
panic(fmt.Sprintf("%T: invalid node: %v", node, node))
}
}
func (self *Trie) get(node Node, key []byte) Node {
if len(key) == 0 {
return node
}
if node == nil {
return nil
}
switch node := node.(type) {
case *ShortNode:
k := node.Key()
cnode := node.Value()
if len(key) >= len(k) && bytes.Equal(k, key[:len(k)]) {
return self.get(cnode, key[len(k):])
}
return nil
case *FullNode:
return self.get(node.branch(key[0]), key[1:])
default:
panic(fmt.Sprintf("%T: invalid node: %v", node, node))
}
}
func (self *Trie) delete(node Node, key []byte) Node {
if len(key) == 0 && node == nil {
return nil
}
switch node := node.(type) {
case *ShortNode:
k := node.Key()
cnode := node.Value()
if bytes.Equal(key, k) {
return nil
} else if bytes.Equal(key[:len(k)], k) {
child := self.delete(cnode, key[len(k):])
var n Node
switch child := child.(type) {
case *ShortNode:
nkey := append(k, child.Key()...)
n = NewShortNode(self, nkey, child.Value())
case *FullNode:
sn := NewShortNode(self, node.Key(), child)
sn.key = node.key
n = sn
}
return n
} else {
return node
}
case *FullNode:
n := node.Copy().(*FullNode)
n.set(key[0], self.delete(n.branch(key[0]), key[1:]))
pos := -1
for i := 0; i < 17; i++ {
if n.branch(byte(i)) != nil {
if pos == -1 {
pos = i
} else {
pos = -2
}
}
}
var nnode Node
if pos == 16 {
nnode = NewShortNode(self, []byte{16}, n.branch(byte(pos)))
} else if pos >= 0 {
cnode := n.branch(byte(pos))
switch cnode := cnode.(type) {
case *ShortNode:
// Stitch keys
k := append([]byte{byte(pos)}, cnode.Key()...)
nnode = NewShortNode(self, k, cnode.Value())
case *FullNode:
nnode = NewShortNode(self, []byte{byte(pos)}, n.branch(byte(pos)))
}
} else {
nnode = n
}
return nnode
case nil:
return nil
default:
panic(fmt.Sprintf("%T: invalid node: %v (%v)", node, node, key))
}
}
// casting functions and cache storing
func (self *Trie) mknode(value *ethutil.Value) Node {
l := value.Len()
switch l {
case 0:
return nil
case 2:
// A value node may consists of 2 bytes.
if value.Get(0).Len() != 0 {
return NewShortNode(self, trie.CompactDecode(string(value.Get(0).Bytes())), self.mknode(value.Get(1)))
}
case 17:
fnode := NewFullNode(self)
for i := 0; i < l; i++ {
fnode.set(byte(i), self.mknode(value.Get(i)))
}
return fnode
case 32:
return &HashNode{value.Bytes()}
}
return &ValueNode{self, value.Bytes()}
}
func (self *Trie) trans(node Node) Node {
switch node := node.(type) {
case *HashNode:
value := ethutil.NewValueFromBytes(self.cache.Get(node.key))
return self.mknode(value)
default:
return node
}
}
func (self *Trie) store(node Node) interface{} {
data := ethutil.Encode(node)
if len(data) >= 32 {
key := crypto.Sha3(data)
self.cache.Put(key, data)
return key
}
return node.RlpData()
}
func (self *Trie) PrintRoot() {
fmt.Println(self.root)
}
ptrie/trie_test.go deleted 100644 → 0
View file @ 982c812e
package ptrie
import (
"bytes"
"fmt"
"testing"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
)
type Db map[string][]byte
func (self Db) Get(k []byte) ([]byte, error) { return self[string(k)], nil }
func (self Db) Put(k, v []byte) { self[string(k)] = v }
// Used for testing
func NewEmpty() *Trie {
return New(nil, make(Db))
}
func TestEmptyTrie(t *testing.T) {
trie := NewEmpty()
res := trie.Hash()
exp := crypto.Sha3(ethutil.Encode(""))
if !bytes.Equal(res, exp) {
t.Errorf("expected %x got %x", exp, res)
}
}
func TestInsert(t *testing.T) {
trie := NewEmpty()
trie.UpdateString("doe", "reindeer")
trie.UpdateString("dog", "puppy")
trie.UpdateString("dogglesworth", "cat")
exp := ethutil.Hex2Bytes("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
root := trie.Hash()
if !bytes.Equal(root, exp) {
t.Errorf("exp %x got %x", exp, root)
}
trie = NewEmpty()
trie.UpdateString("A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
exp = ethutil.Hex2Bytes("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
root = trie.Hash()
if !bytes.Equal(root, exp) {
t.Errorf("exp %x got %x", exp, root)
}
}
func TestGet(t *testing.T) {
trie := NewEmpty()
trie.UpdateString("doe", "reindeer")
trie.UpdateString("dog", "puppy")
trie.UpdateString("dogglesworth", "cat")
res := trie.GetString("dog")
if !bytes.Equal(res, []byte("puppy")) {
t.Errorf("expected puppy got %x", res)
}
unknown := trie.GetString("unknown")
if unknown != nil {
t.Errorf("expected nil got %x", unknown)
}
}
func TestDelete(t *testing.T) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
}
for _, val := range vals {
if val.v != "" {
trie.UpdateString(val.k, val.v)
} else {
trie.DeleteString(val.k)
}
}
hash := trie.Hash()
exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
if !bytes.Equal(hash, exp) {
t.Errorf("expected %x got %x", exp, hash)
}
}
func TestEmptyValues(t *testing.T) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
}
for _, val := range vals {
trie.UpdateString(val.k, val.v)
}
hash := trie.Hash()
exp := ethutil.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
if !bytes.Equal(hash, exp) {
t.Errorf("expected %x got %x", exp, hash)
}
}
func TestReplication(t *testing.T) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
{"somethingveryoddindeedthis is", "myothernodedata"},
}
for _, val := range vals {
trie.UpdateString(val.k, val.v)
}
trie.Commit()
trie2 := New(trie.roothash, trie.cache.backend)
if string(trie2.GetString("horse")) != "stallion" {
t.Error("expected to have horse => stallion")
}
hash := trie2.Hash()
exp := trie.Hash()
if !bytes.Equal(hash, exp) {
t.Errorf("root failure. expected %x got %x", exp, hash)
}
}
func TestReset(t *testing.T) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
}
for _, val := range vals {
trie.UpdateString(val.k, val.v)
}
trie.Commit()
before := ethutil.CopyBytes(trie.roothash)
trie.UpdateString("should", "revert")
trie.Hash()
// Should have no effect
trie.Hash()
trie.Hash()
// ###
trie.Reset()
after := ethutil.CopyBytes(trie.roothash)
if !bytes.Equal(before, after) {
t.Errorf("expected roots to be equal. %x - %x", before, after)
}
}
func TestParanoia(t *testing.T) {
t.Skip()
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
{"somethingveryoddindeedthis is", "myothernodedata"},
}
for _, val := range vals {
trie.UpdateString(val.k, val.v)
}
trie.Commit()
ok, t2 := ParanoiaCheck(trie, trie.cache.backend)
if !ok {
t.Errorf("trie paranoia check failed %x %x", trie.roothash, t2.roothash)
}
}
// Not an actual test
func TestOutput(t *testing.T) {
t.Skip()
base := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
trie := NewEmpty()
for i := 0; i < 50; i++ {
trie.UpdateString(fmt.Sprintf("%s%d", base, i), "valueeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee")
}
fmt.Println("############################## FULL ################################")
fmt.Println(trie.root)
trie.Commit()
fmt.Println("############################## SMALL ################################")
trie2 := New(trie.roothash, trie.cache.backend)
trie2.GetString(base + "20")
fmt.Println(trie2.root)
}
func BenchmarkGets(b *testing.B) {
trie := NewEmpty()
vals := []struct{ k, v string }{
{"do", "verb"},
{"ether", "wookiedoo"},
{"horse", "stallion"},
{"shaman", "horse"},
{"doge", "coin"},
{"ether", ""},
{"dog", "puppy"},
{"shaman", ""},
{"somethingveryoddindeedthis is", "myothernodedata"},
}
for _, val := range vals {
trie.UpdateString(val.k, val.v)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
trie.Get([]byte("horse"))
}
}
func BenchmarkUpdate(b *testing.B) {
trie := NewEmpty()
b.ResetTimer()
for i := 0; i < b.N; i++ {
trie.UpdateString(fmt.Sprintf("aaaaaaaaa%d", i), "value")
}
trie.Hash()
}
state/state_object.go
View file @ db4aaedc
......@@ -6,7 +6,7 @@ import (
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/ptrie"
"github.com/ethereum/go-ethereum/trie"
)
type Code []byte
......@@ -152,7 +152,7 @@ func (self *StateObject) Sync() {
}
/*
valid, t2 := ptrie.ParanoiaCheck(self.State.trie, ethutil.Config.Db)
valid, t2 := trie.ParanoiaCheck(self.State.trie, ethutil.Config.Db)
if !valid {
statelogger.Infof("Warn: PARANOIA: Different state storage root during copy %x vs %x\n", self.State.Root(), t2.Root())
......@@ -273,7 +273,7 @@ func (c *StateObject) Init() Code {
return c.InitCode
}
func (self *StateObject) Trie() *ptrie.Trie {
func (self *StateObject) Trie() *trie.Trie {
return self.State.trie
}
......
state/statedb.go
View file @ db4aaedc
......@@ -6,7 +6,7 @@ import (
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/ptrie"
"github.com/ethereum/go-ethereum/trie"
)
var statelogger = logger.NewLogger("STATE")
......@@ -18,7 +18,7 @@ var statelogger = logger.NewLogger("STATE")
// * Accounts
type StateDB struct {
db ethutil.Database
trie *ptrie.Trie
trie *trie.Trie
stateObjects map[string]*StateObject
......@@ -30,9 +30,8 @@ type StateDB struct {
}
// Create a new state from a given trie
//func New(trie *ptrie.Trie) *StateDB {
func New(root []byte, db ethutil.Database) *StateDB {
trie := ptrie.New(root, db)
trie := trie.New(root, db)
return &StateDB{db: db, trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string]*big.Int)}
}
......@@ -308,7 +307,7 @@ func (self *StateDB) Update(gasUsed *big.Int) {
// FIXME trie delete is broken
if deleted {
valid, t2 := ptrie.ParanoiaCheck(self.trie, self.db)
valid, t2 := trie.ParanoiaCheck(self.trie, self.db)
if !valid {
statelogger.Infof("Warn: PARANOIA: Different state root during copy %x vs %x\n", self.trie.Root(), t2.Root())
......
tests/helper/trie.go
View file @ db4aaedc
package helper
import "github.com/ethereum/go-ethereum/ptrie"
import "github.com/ethereum/go-ethereum/trie"
type MemDatabase struct {
db map[string][]byte
......@@ -24,8 +24,8 @@ func (db *MemDatabase) Print() {}
func (db *MemDatabase) Close() {}
func (db *MemDatabase) LastKnownTD() []byte { return nil }
func NewTrie() *ptrie.Trie {
func NewTrie() *trie.Trie {
db, _ := NewMemDatabase()
return ptrie.New(nil, db)
return trie.New(nil, db)
}
ptrie/cache.go → trie/cache.go
View file @ db4aaedc
package ptrie
package trie
type Backend interface {
Get([]byte) ([]byte, error)
......
ptrie/fullnode.go → trie/fullnode.go
View file @ db4aaedc
package ptrie
package trie
import "fmt"
......
ptrie/hashnode.go → trie/hashnode.go
View file @ db4aaedc
package ptrie
package trie
type HashNode struct {
key []byte
......
trie/iterator.go
View file @ db4aaedc
package trie
/*
import (
"bytes"
"github.com/ethereum/go-ethereum/ethutil"
)
type NodeType byte
const (
EmptyNode NodeType = iota
BranchNode
LeafNode
ExtNode
)
func getType(node *ethutil.Value) NodeType {
if node.Len() == 0 {
return EmptyNode
}
if node.Len() == 2 {
k := CompactDecode(node.Get(0).Str())
if HasTerm(k) {
return LeafNode
}
return ExtNode
}
return BranchNode
}
import "bytes"
type Iterator struct {
Path [][]byte
trie *Trie
Key []byte
Value *ethutil.Value
Value []byte
}
func NewIterator(trie *Trie) *Iterator {
return &Iterator{trie: trie}
return &Iterator{trie: trie, Key: make([]byte, 32)}
}
func (self *Iterator) key(node *ethutil.Value, path [][]byte) []byte {
switch getType(node) {
case LeafNode:
k := RemTerm(CompactDecode(node.Get(0).Str()))
func (self *Iterator) Next() bool {
self.trie.mu.Lock()
defer self.trie.mu.Unlock()
self.Path = append(path, k)
self.Value = node.Get(1)
return k
case BranchNode:
if node.Get(16).Len() > 0 {
return []byte{16}
}
key := RemTerm(CompactHexDecode(string(self.Key)))
k := self.next(self.trie.root, key)
for i := byte(0); i < 16; i++ {
o := self.key(self.trie.getNode(node.Get(int(i)).Raw()), append(path, []byte{i}))
if o != nil {
return append([]byte{i}, o...)
}
}
case ExtNode:
currKey := node.Get(0).Bytes()
self.Key = []byte(DecodeCompact(k))
return self.key(self.trie.getNode(node.Get(1).Raw()), append(path, currKey))
}
return len(k) > 0
return nil
}
func (self *Iterator) next(node *ethutil.Value, key []byte, path [][]byte) []byte {
switch typ := getType(node); typ {
case EmptyNode:
func (self *Iterator) next(node Node, key []byte) []byte {
if node == nil {
return nil
case BranchNode:
if len(key) > 0 {
subNode := self.trie.getNode(node.Get(int(key[0])).Raw())
}
o := self.next(subNode, key[1:], append(path, key[:1]))
if o != nil {
return append([]byte{key[0]}, o...)
switch node := node.(type) {
case *FullNode:
if len(key) > 0 {
k := self.next(node.branch(key[0]), key[1:])
if k != nil {
return append([]byte{key[0]}, k...)
}
}
var r byte = 0
var r byte
if len(key) > 0 {
r = key[0] + 1
}
for i := r; i < 16; i++ {
subNode := self.trie.getNode(node.Get(int(i)).Raw())
o := self.key(subNode, append(path, []byte{i}))
if o != nil {
return append([]byte{i}, o...)
k := self.key(node.branch(byte(i)))
if k != nil {
return append([]byte{i}, k...)
}
}
case LeafNode, ExtNode:
k := RemTerm(CompactDecode(node.Get(0).Str()))
if typ == LeafNode {
if bytes.Compare([]byte(k), []byte(key)) > 0 {
self.Value = node.Get(1)
self.Path = append(path, k)
case *ShortNode:
k := RemTerm(node.Key())
if vnode, ok := node.Value().(*ValueNode); ok {
if bytes.Compare([]byte(k), key) > 0 {
self.Value = vnode.Val()
return k
}
} else {
subNode := self.trie.getNode(node.Get(1).Raw())
subKey := key[len(k):]
cnode := node.Value()
var ret []byte
skey := key[len(k):]
if BeginsWith(key, k) {
ret = self.next(subNode, subKey, append(path, k))
ret = self.next(cnode, skey)
} else if bytes.Compare(k, key[:len(k)]) > 0 {
ret = self.key(node, append(path, k))
} else {
ret = nil
ret = self.key(node)
}
if ret != nil {
......@@ -130,16 +79,33 @@ func (self *Iterator) next(node *ethutil.Value, key []byte, path [][]byte) []byt
return nil
}
// Get the next in keys
func (self *Iterator) Next(key string) []byte {
self.trie.mut.Lock()
defer self.trie.mut.Unlock()
func (self *Iterator) key(node Node) []byte {
switch node := node.(type) {
case *ShortNode:
// Leaf node
if vnode, ok := node.Value().(*ValueNode); ok {
k := RemTerm(node.Key())
self.Value = vnode.Val()
k := RemTerm(CompactHexDecode(key))
n := self.next(self.trie.getNode(self.trie.Root), k, nil)
return k
} else {
k := RemTerm(node.Key())
return append(k, self.key(node.Value())...)
}
case *FullNode:
if node.Value() != nil {
self.Value = node.Value().(*ValueNode).Val()
return []byte{16}
}
self.Key = []byte(DecodeCompact(n))
for i := 0; i < 16; i++ {
k := self.key(node.branch(byte(i)))
if k != nil {
return append([]byte{byte(i)}, k...)
}
}
}
return self.Key
return nil
}
*/
ptrie/iterator_test.go → trie/iterator_test.go
View file @ db4aaedc
package ptrie
package trie
import "testing"
......
trie/main_test.go deleted 100644 → 0
View file @ 982c812e
package trie
import (
"testing"
checker "gopkg.in/check.v1"
)
func Test(t *testing.T) { checker.TestingT(t) }
ptrie/node.go → trie/node.go
View file @ db4aaedc
package ptrie
package trie
import "fmt"
......
ptrie/shortnode.go → trie/shortnode.go
View file @ db4aaedc
package ptrie
import "github.com/ethereum/go-ethereum/trie"
package trie
type ShortNode struct {
trie *Trie
......@@ -9,7 +7,7 @@ type ShortNode struct {
}
func NewShortNode(t *Trie, key []byte, value Node) *ShortNode {
return &ShortNode{t, []byte(trie.CompactEncode(key)), value}
return &ShortNode{t, []byte(CompactEncode(key)), value}
}
func (self *ShortNode) Value() Node {
self.value = self.trie.trans(self.value)
......@@ -27,5 +25,5 @@ func (self *ShortNode) Hash() interface{} {
}
func (self *ShortNode) Key() []byte {
return trie.CompactDecode(string(self.key))
return CompactDecode(string(self.key))
}
trie/trie.go
View file @ db4aaedc
This diff is collapsed.
trie/trie_test.go
View file @ db4aaedc
This diff is collapsed.
ptrie/valuenode.go → trie/valuenode.go
View file @ db4aaedc
package ptrie
package trie
type ValueNode struct {
trie *Trie
......
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