AddBatch use Virtual Tree for empty trees/subtrees

- AddBatch use Virtual Tree for cases A,B,C
- ImportDump use AddBatch instead of adding one by one
- Reorg & add more virtual tree tests
This commit is contained in:
2021-05-18 10:15:07 +02:00
parent 66f6ae14bb
commit 03bb9f7447
6 changed files with 336 additions and 91 deletions

View File

@@ -1,6 +1,7 @@
package arbo
import (
"crypto/rand"
"encoding/hex"
"fmt"
"math/big"
@@ -121,6 +122,201 @@ func TestAddBatchCaseANotPowerOf2(t *testing.T) {
c.Check(tree2.Root(), qt.DeepEquals, tree.Root())
}
func randomBytes(n int) []byte {
b := make([]byte, n)
_, err := rand.Read(b)
if err != nil {
panic(err)
}
return b
}
func TestBuildTreeBottomUpSingleThread(t *testing.T) {
c := qt.New(t)
tree1, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree1.db.Close()
tree2, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree2.db.Close()
testvectorKeys := []string{
"1c7c2265e368314ca58ed2e1f33a326f1220e234a566d55c3605439dbe411642",
"2c9f0a578afff5bfa4e0992a43066460faaab9e8e500db0b16647c701cdb16bf",
"1c45cb31f2fa39ec7b9ebf0fad40e0b8296016b5ce8844ae06ff77226379d9a5",
"d8af98bbbb585129798ae54d5eabbc9d0561d583faf1663b3a3724d15bda4ec7",
}
var keys, values [][]byte
for i := 0; i < len(testvectorKeys); i++ {
key, err := hex.DecodeString(testvectorKeys[i])
c.Assert(err, qt.IsNil)
keys = append(keys, key)
values = append(values, []byte{0})
}
for i := 0; i < len(keys); i++ {
if err := tree1.Add(keys[i], values[i]); err != nil {
t.Fatal(err)
}
}
kvs, err := tree2.keysValuesToKvs(keys, values)
c.Assert(err, qt.IsNil)
sortKvs(kvs)
tree2.tx, err = tree2.db.NewTx()
c.Assert(err, qt.IsNil)
// indexes, err := tree2.buildTreeBottomUpSingleThread(kvs)
indexes, err := tree2.buildTreeBottomUp(4, kvs)
c.Assert(err, qt.IsNil)
// tree1.PrintGraphviz(nil)
// tree2.PrintGraphviz(nil)
c.Check(len(indexes), qt.Equals, 0)
// check that both trees roots are equal
c.Check(tree2.Root(), qt.DeepEquals, tree1.Root())
// 15b6a23945ae6c81342b7eb14e70fff50812dc8791cb15ec791eb08f91784139
}
func TestAddBatchCaseATestVector(t *testing.T) {
c := qt.New(t)
tree1, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree1.db.Close()
tree2, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree2.db.Close()
// leafs in 2nd level subtrees: [ 6, 0, 1, 1]
testvectorKeys := []string{
"1c7c2265e368314ca58ed2e1f33a326f1220e234a566d55c3605439dbe411642",
"2c9f0a578afff5bfa4e0992a43066460faaab9e8e500db0b16647c701cdb16bf",
"1c45cb31f2fa39ec7b9ebf0fad40e0b8296016b5ce8844ae06ff77226379d9a5",
"d8af98bbbb585129798ae54d5eabbc9d0561d583faf1663b3a3724d15bda4ec7",
}
var keys, values [][]byte
for i := 0; i < len(testvectorKeys); i++ {
key, err := hex.DecodeString(testvectorKeys[i])
c.Assert(err, qt.IsNil)
keys = append(keys, key)
values = append(values, []byte{0})
}
for i := 0; i < len(keys); i++ {
if err := tree1.Add(keys[i], values[i]); err != nil {
t.Fatal(err)
}
}
indexes, err := tree2.AddBatch(keys, values)
c.Assert(err, qt.IsNil)
// tree1.PrintGraphviz(nil)
// tree2.PrintGraphviz(nil)
c.Check(len(indexes), qt.Equals, 0)
// check that both trees roots are equal
// fmt.Println(hex.EncodeToString(tree1.Root()))
c.Check(tree2.Root(), qt.DeepEquals, tree1.Root())
//////
// tree1, err = NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
// c.Assert(err, qt.IsNil)
// defer tree1.db.Close()
//
// tree2, err = NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
// c.Assert(err, qt.IsNil)
// defer tree2.db.Close()
//
// // leafs in 2nd level subtrees: [ 6, 0, 1, 1]
// testvectorKeys = []string{
// "1c7c2265e368314ca58ed2e1f33a326f1220e234a566d55c3605439dbe411642",
// "2c9f0a578afff5bfa4e0992a43066460faaab9e8e500db0b16647c701cdb16bf",
// "9cb87ec67e875c61390edcd1ab517f443591047709a4d4e45b0f9ed980857b8e",
// "9b4e9e92e974a589f426ceeb4cb291dc24893513fecf8e8460992dcf52621d4d",
// "1c45cb31f2fa39ec7b9ebf0fad40e0b8296016b5ce8844ae06ff77226379d9a5",
// "d8af98bbbb585129798ae54d5eabbc9d0561d583faf1663b3a3724d15bda4ec7",
// "3cd55dbfb8f975f20a0925dfbdabe79fa2d51dd0268afbb8ba6b01de9dfcdd3c",
// "5d0a9d6d9f197c091bf054fac9cb60e11ec723d6610ed8578e617b4d46cb43d5",
// }
// keys = [][]byte{}
// values = [][]byte{}
// for i := 0; i < len(testvectorKeys); i++ {
// key, err := hex.DecodeString(testvectorKeys[i])
// c.Assert(err, qt.IsNil)
// keys = append(keys, key)
// values = append(values, []byte{0})
// }
//
// for i := 0; i < len(keys); i++ {
// if err := tree1.Add(keys[i], values[i]); err != nil {
// t.Fatal(err)
// }
// }
//
// indexes, err = tree2.AddBatch(keys, values)
// c.Assert(err, qt.IsNil)
// tree1.PrintGraphviz(nil)
// tree2.PrintGraphviz(nil)
//
// c.Check(len(indexes), qt.Equals, 0)
//
// // check that both trees roots are equal
// // c.Check(tree2.Root(), qt.DeepEquals, tree1.Root())
}
func TestAddBatchCaseARandomKeys(t *testing.T) {
c := qt.New(t)
nLeafs := 8
tree1, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree1.db.Close()
tree2, err := NewTree(memory.NewMemoryStorage(), 100, HashFunctionBlake2b)
c.Assert(err, qt.IsNil)
defer tree2.db.Close()
var keys, values [][]byte
for i := 0; i < nLeafs; i++ {
keys = append(keys, randomBytes(32))
// values = append(values, randomBytes(32))
values = append(values, []byte{0})
// fmt.Println("K", hex.EncodeToString(keys[i]))
}
// TMP:
keys[0], _ = hex.DecodeString("1c7c2265e368314ca58ed2e1f33a326f1220e234a566d55c3605439dbe411642")
keys[1], _ = hex.DecodeString("2c9f0a578afff5bfa4e0992a43066460faaab9e8e500db0b16647c701cdb16bf")
keys[2], _ = hex.DecodeString("9cb87ec67e875c61390edcd1ab517f443591047709a4d4e45b0f9ed980857b8e")
keys[3], _ = hex.DecodeString("9b4e9e92e974a589f426ceeb4cb291dc24893513fecf8e8460992dcf52621d4d")
keys[4], _ = hex.DecodeString("1c45cb31f2fa39ec7b9ebf0fad40e0b8296016b5ce8844ae06ff77226379d9a5")
keys[5], _ = hex.DecodeString("d8af98bbbb585129798ae54d5eabbc9d0561d583faf1663b3a3724d15bda4ec7")
keys[6], _ = hex.DecodeString("3cd55dbfb8f975f20a0925dfbdabe79fa2d51dd0268afbb8ba6b01de9dfcdd3c")
keys[7], _ = hex.DecodeString("5d0a9d6d9f197c091bf054fac9cb60e11ec723d6610ed8578e617b4d46cb43d5")
for i := 0; i < len(keys); i++ {
if err := tree1.Add(keys[i], values[i]); err != nil {
t.Fatal(err)
}
}
indexes, err := tree2.AddBatch(keys, values)
c.Assert(err, qt.IsNil)
// tree1.PrintGraphviz(nil)
// tree2.PrintGraphviz(nil)
c.Check(len(indexes), qt.Equals, 0)
// check that both trees roots are equal
c.Check(tree2.Root(), qt.DeepEquals, tree1.Root())
}
func TestAddBatchCaseB(t *testing.T) {
c := qt.New(t)