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proof_test.go
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package iavl
import (
"bytes"
"errors"
"fmt"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"testing"
)
func TestTreeGetWithProof(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
for _, ikey := range []byte{0x11, 0x32, 0x50, 0x72, 0x99} {
key := []byte{ikey}
tree.Set(key, []byte(randstr(8)))
}
root := tree.Hash()
key := []byte{0x32}
val, proof, err := tree.GetWithProof(key)
require.NoError(err)
_, ok := proof.(*KeyExistsProof)
require.True(ok)
require.NotEmpty(val)
require.NotNil(proof)
err = proof.Verify(key, val, root)
require.NoError(err, "%+v", err)
require.NoError(err)
key = []byte{0x1}
val, proof, err = tree.GetWithProof(key)
require.NoError(err)
_, ok = proof.(*KeyAbsentProof)
require.True(ok)
require.Empty(val)
require.NotNil(proof)
err = proof.Verify(key, nil, root)
require.NoError(err, "%+v", err)
require.NoError(err)
}
func TestTreeKeyExistsProof(t *testing.T) {
tree := NewTree(0, nil)
// should get false for proof with nil root
_, proof, _ := tree.getWithProof([]byte("foo"))
assert.Nil(t, proof)
// insert lots of info and store the bytes
keys := make([][]byte, 200)
for i := 0; i < 200; i++ {
key, value := randstr(20), randstr(200)
tree.Set([]byte(key), []byte(value))
keys[i] = []byte(key)
}
// query random key fails
_, proof, _ = tree.getWithProof([]byte("foo"))
assert.Nil(t, proof)
// query min key fails
_, proof, _ = tree.getWithProof([]byte{0})
assert.Nil(t, proof)
// valid proof for real keys
root := tree.Hash()
for _, key := range keys {
value, proof, _ := tree.getWithProof(key)
assert.NotEmpty(t, value)
if assert.NotNil(t, proof) {
err := proof.Verify(key, value, root)
assert.NoError(t, err, "%+v", err)
}
}
// TODO: Test with single value in tree.
}
func TestTreeKeyInRangeProofs(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
for _, ikey := range []byte{
0x0a, 0x11, 0x2e, 0x32, 0x50, 0x72, 0x99, 0xa1, 0xe4, 0xf7,
} {
key := []byte{ikey}
tree.Set(key, key)
}
root := tree.Hash()
cases := []struct {
startKey byte
endKey byte
first []byte
last []byte
}{
{startKey: 0x0a, endKey: 0xf7, first: []byte{0x0a}, last: []byte{0xf7}},
{startKey: 0x0, endKey: 0xff, first: []byte{0x0a}, last: []byte{0xf7}},
{startKey: 0x14, endKey: 0xf1, first: []byte{0x2e}, last: []byte{0xe4}},
{startKey: 0x2e, endKey: 0x32, first: []byte{0x2e}, last: []byte{0x32}},
{startKey: 0x2f, endKey: 0x32, first: []byte{0x32}, last: []byte{0x32}},
{startKey: 0x2e, endKey: 0x31, first: []byte{0x2e}, last: []byte{0x2e}},
{startKey: 0x12, endKey: 0x31, first: []byte{0x2e}, last: []byte{0x2e}},
{startKey: 0xf8, endKey: 0xff, first: nil, last: nil},
{startKey: 0x12, endKey: 0x20, first: nil, last: nil},
{startKey: 0x0, endKey: 0x09, first: nil, last: nil},
}
for _, c := range cases {
startKey := []byte{c.startKey}
endKey := []byte{c.endKey}
// Test first-in-range.
key, val, firProof, err := tree.GetFirstInRangeWithProof(startKey, endKey)
msg := fmt.Sprintf("first in range %x - %x: %x", c.startKey, c.endKey, key)
require.NoError(err, "%+v", err)
require.Equal(c.first, key, "Key returned not equal for %s", msg)
require.Equal(key, val)
err = firProof.Verify(startKey, endKey, key, val, root)
require.NoError(err, "Got error '%v' for %s", err, msg)
// Test last-in-range.
key, val, lirProof, err := tree.GetLastInRangeWithProof(startKey, endKey)
msg = fmt.Sprintf("last in range %x - %x: %x", c.startKey, c.endKey, key)
require.NoError(err, "%+v", err)
require.Equal(c.last, key, "Key returned not equal for %s", msg)
require.Equal(key, val)
err = lirProof.Verify(startKey, endKey, key, val, root)
require.NoError(err, "Got error '%v' for %s", err, msg)
}
}
func TestTreeKeyFirstInRangeProofsVerify(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
for _, ikey := range []byte{
0x0a, 0x11, 0x2e, 0x32, 0x50, 0x72, 0x99, 0xa1, 0xe4, 0xf7,
} {
key := []byte{ikey}
tree.Set(key, key)
}
root := tree.Hash()
cases := [...]struct {
startKey, endKey []byte
resultKey, resultVal []byte
root []byte
proof *KeyFirstInRangeProof
expectedError error
}{
0: { // Left path is invalid.
root: root,
startKey: []byte{0x30},
endKey: []byte{0xff},
resultKey: []byte{0x72},
resultVal: []byte{0x72},
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x72}),
},
Left: &pathWithNode{
dummyPathToKey(tree, []byte{0x50}),
dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
1: {
root: root,
startKey: []byte{0x20},
endKey: []byte{0x30},
resultKey: []byte{0x21},
resultVal: []byte{0x21},
proof: &KeyFirstInRangeProof{
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
2: { // Result is outside of the range (right).
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0xf7},
resultVal: []byte{0xf7},
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0xf7}),
},
},
expectedError: ErrInvalidInputs,
},
3: { // Result is outside of the range (left).
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0x0a},
resultVal: []byte{0x0a},
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x0a}),
},
},
expectedError: ErrInvalidInputs,
},
4: { // Right node is greater than end key.
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0x11},
resultVal: []byte{0x11},
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x11}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xf7}),
Node: dummyLeafNode([]byte{0xf7}, []byte{0xf7}),
},
},
expectedError: ErrInvalidProof,
},
5: {
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: nil,
resultVal: nil,
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xf7}),
Node: dummyLeafNode([]byte{0xf7}, []byte{0xf7}),
},
},
expectedError: ErrInvalidProof,
},
6: {
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0xa1},
resultVal: []byte{0xa1},
proof: &KeyFirstInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0xa1}),
},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xe4}),
Node: dummyLeafNode([]byte{0xe4}, []byte{0xe4}),
},
},
expectedError: ErrInvalidProof,
},
7: {
root: root,
startKey: []byte{0x20},
endKey: []byte{0x30},
resultKey: []byte{0x29},
resultVal: []byte{0x29},
proof: &KeyFirstInRangeProof{
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
}
for i, c := range cases {
err := c.proof.Verify(c.startKey, c.endKey, c.resultKey, c.resultVal, c.root)
require.Error(err, "Test failed for case #%d", i)
require.Equal(c.expectedError.Error(), err.Error(), "Test failed for case #%d", i)
}
}
func TestTreeKeyLastInRangeProofsVerify(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
for _, ikey := range []byte{
0x0a, 0x11, 0x2e, 0x32, 0x50, 0x72, 0x99, 0xa1, 0xe4, 0xf7,
} {
key := []byte{ikey}
tree.Set(key, key)
}
root := tree.Hash()
cases := [...]struct {
startKey, endKey []byte
resultKey, resultVal []byte
root []byte
invalidProof *KeyLastInRangeProof
expectedError error
}{
0: {
root: root,
startKey: []byte{0x0},
endKey: []byte{0xff},
resultKey: []byte{0x11},
resultVal: []byte{0x11},
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
1: { // Result is outside of the range (right).
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0xf7},
resultVal: []byte{0xf7},
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0xf7}),
},
},
expectedError: ErrInvalidInputs,
},
2: { // Result is outside of the range (left).
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0x0a},
resultVal: []byte{0x0a},
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x0a}),
},
},
expectedError: ErrInvalidInputs,
},
3: { // Right node is greater than end key.
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0x11},
resultVal: []byte{0x11},
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0x11}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xf7}),
Node: dummyLeafNode([]byte{0xf7}, []byte{0xf7}),
},
},
expectedError: ErrInvalidProof,
},
4: {
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: nil,
resultVal: nil,
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xf7}),
Node: dummyLeafNode([]byte{0xf7}, []byte{0xf7}),
},
},
expectedError: ErrInvalidProof,
},
5: {
root: root,
startKey: []byte{0x10},
endKey: []byte{0xf6},
resultKey: []byte{0xa1},
resultVal: []byte{0xa1},
invalidProof: &KeyLastInRangeProof{
KeyExistsProof: KeyExistsProof{
RootHash: root,
PathToKey: dummyPathToKey(tree, []byte{0xa1}),
},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xe4}),
Node: dummyLeafNode([]byte{0xe4}, []byte{0xe4}),
},
},
expectedError: ErrInvalidProof,
},
6: {
root: root,
startKey: []byte{0x20},
endKey: []byte{0x30},
resultKey: []byte{0x29},
resultVal: []byte{0x29},
invalidProof: &KeyLastInRangeProof{
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
}
for i, c := range cases {
err := c.invalidProof.Verify(c.startKey, c.endKey, c.resultKey, c.resultVal, c.root)
require.Error(err, "Test failed for case #%d", i)
require.Equal(c.expectedError.Error(), err.Error(), "Test failed for case #%d", i)
}
}
func TestTreeKeyRangeProof(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
keys := [][]byte{}
for _, ikey := range []byte{
0x0a, 0x11, 0x2e, 0x32, 0x50, 0x72, 0x99, 0xa1, 0xe4, 0xf7,
} {
key := []byte{ikey}
keys = append(keys, key)
tree.Set(key, []byte(randstr(8)))
}
root := tree.Hash()
cases := []struct {
startKey byte
endKey byte
}{
// Full range, existing keys, both directions.
{0x0a, 0xf7},
{0xf7, 0x0a},
// Sub-range, existing keys, both directions.
{0x2e, 0xa1},
{0xa1, 0x2e},
// Sub-range, non-existing keys, both directions.
{0x2f, 0xa0},
{0xa0, 0x2f},
// Sub-range, partially-existing keys, both directions.
{0x2f, 0xa1},
{0xa1, 0x2f},
{0x11, 0xaa},
{0xaa, 0x11},
// Super-range, both directions.
{0x0, 0xff},
{0xff, 0x0},
// Overlapping range, both directions.
{0x12, 0xfa},
{0xfa, 0x12},
{0x04, 0xe8},
{0xe8, 0x04},
// Equal keys.
{0x72, 0x72},
// Empty range.
{0x60, 0x70},
{0x70, 0x60},
// Empty range outside of left boundary.
{0x01, 0x03},
{0x03, 0x01},
// Empty range outside of right boundary.
{0xf9, 0xfd},
{0xfd, 0xf9},
}
for _, c := range cases {
startKey := []byte{c.startKey}
endKey := []byte{c.endKey}
ascending := bytes.Compare(startKey, endKey) == -1
if !ascending {
startKey, endKey = endKey, startKey
}
for limit := -1; limit < len(keys); limit++ {
var expected [][]byte
tree.IterateRangeInclusive(startKey, endKey, ascending, func(k, v []byte) bool {
expected = append(expected, k)
return len(expected) == limit
})
keys, values, proof, err := tree.getRangeWithProof([]byte{c.startKey}, []byte{c.endKey}, limit)
msg := fmt.Sprintf("range %x - %x with limit %d:\n%#v", c.startKey, c.endKey, limit, keys)
require.NoError(err, "%+v", err)
require.Equal(expected, keys, "Keys returned not equal for %s", msg)
err = proof.Verify([]byte{c.startKey}, []byte{c.endKey}, limit, keys, values, root)
require.NoError(err, "Got error '%v' for %s\n\n%s", err, msg, proof)
}
}
}
func TestTreeKeyRangeProofVerify(t *testing.T) {
tree := NewTree(0, nil)
require := require.New(t)
assert := assert.New(t)
for _, ikey := range []byte{
0x0a, 0x11, 0x2e, 0x32, 0x50, 0x72, 0x99, 0xa1, 0xe4, 0xf7,
} {
key, val := []byte{ikey}, []byte{ikey}
tree.Set(key, val)
}
root := tree.Hash()
cases := [...]struct {
keyStart, keyEnd []byte
limit int
resultKeys, resultVals [][]byte
root []byte
invalidProof *KeyRangeProof
expectedError error
}{
0: {
keyStart: []byte{0x0},
keyEnd: []byte{0xff},
root: root,
invalidProof: &KeyRangeProof{RootHash: root},
expectedError: ErrInvalidProof,
},
1: {
keyStart: []byte{0x0},
keyEnd: []byte{0xff},
resultKeys: [][]byte{{0x1}, {0x2}},
resultVals: [][]byte{{0x1}},
root: root,
invalidProof: &KeyRangeProof{RootHash: root},
expectedError: ErrInvalidInputs,
},
2: { // An invalid proof with two adjacent paths which don't prove anything useful.
keyStart: []byte{0x10},
keyEnd: []byte{0x30},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x99}),
Node: dummyLeafNode([]byte{0x99}, []byte{0x99}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa1}),
Node: dummyLeafNode([]byte{0xa1}, []byte{0xa1}),
},
},
expectedError: ErrInvalidProof,
},
3: { // An invalid proof with one path.
keyStart: []byte{0xf8},
keyEnd: []byte{0xf9},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xe4}),
Node: dummyLeafNode([]byte{0xe4}, []byte{0xe4}),
},
},
expectedError: ErrInvalidProof,
},
4: { // An invalid proof with one path.
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
},
expectedError: ErrInvalidProof,
},
5: { // An invalid proof with one path.
keyStart: []byte{0x1},
keyEnd: []byte{0x2},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
6: { // An invalid proof with one path.
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x99}),
Node: dummyLeafNode([]byte{0x99}, []byte{0x99}),
},
},
expectedError: ErrInvalidProof,
},
7: {
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xe4}),
Node: dummyLeafNode([]byte{0xe4}, []byte{0xe4}),
},
},
expectedError: ErrInvalidProof,
},
8: {
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x01}, []byte{0x01}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x2e}),
Node: dummyLeafNode([]byte{0x2e}, []byte{0x2e}),
},
},
expectedError: ErrInvalidProof,
},
9: {
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x2e}),
Node: dummyLeafNode([]byte{0x2f}, []byte{0x2f}),
},
},
expectedError: ErrInvalidProof,
},
10: {
keyStart: []byte{0x12},
keyEnd: []byte{0x50},
resultKeys: [][]byte{[]byte{0x2e}},
resultVals: [][]byte{[]byte{0x2e}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{dummyPathToKey(tree, []byte{0x2e})},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
11: {
keyStart: []byte{0x12},
keyEnd: []byte{0x50},
resultKeys: [][]byte{[]byte{0x2e}},
resultVals: [][]byte{[]byte{0x2e}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{dummyPathToKey(tree, []byte{0x2e})},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
},
expectedError: ErrInvalidProof,
},
12: {
keyStart: []byte{0x10},
keyEnd: []byte{0x30},
resultKeys: [][]byte{[]byte{0x2e}},
resultVals: [][]byte{[]byte{0x2e}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{dummyPathToKey(tree, []byte{0x2e})},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x32}),
Node: dummyLeafNode([]byte{0x32}, []byte{0x32}),
},
},
expectedError: ErrInvalidProof,
},
13: { // Construct an invalid proof with missing 0x2e and 0x32 keys.
keyStart: []byte{0x11},
keyEnd: []byte{0x50},
resultKeys: [][]byte{[]byte{0x11}, []byte{0x50}},
resultVals: [][]byte{[]byte{0x11}, []byte{0x50}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x11}),
dummyPathToKey(tree, []byte{0x50}),
},
},
expectedError: errors.New("paths #0 and #1 are not adjacent"),
},
14: {
keyStart: []byte{0x11},
keyEnd: []byte{0x50},
resultKeys: [][]byte{[]byte{0x11}, []byte{0x2e}, []byte{0x32}},
resultVals: [][]byte{[]byte{0x11}, []byte{0x2e}, []byte{0x32}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x11}),
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xf7}),
Node: dummyLeafNode([]byte{0xf7}, []byte{0xf7}),
},
},
expectedError: errors.New("paths #2 and #3 are not adjacent"),
},
15: {
keyStart: []byte{0x11},
keyEnd: []byte{0x50},
resultKeys: [][]byte{[]byte{0x2e}, []byte{0x32}, []byte{0x50}},
resultVals: [][]byte{[]byte{0x2e}, []byte{0x32}, []byte{0x50}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
dummyPathToKey(tree, []byte{0x50}),
},
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0xa}),
Node: dummyLeafNode([]byte{0xa}, []byte{0xa}),
},
},
expectedError: errors.New("paths #0 and #1 are not adjacent"),
},
16: {
keyStart: []byte{0x11},
keyEnd: []byte{0x11},
resultKeys: [][]byte{[]byte{0x11}},
resultVals: [][]byte{[]byte{0x11}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x11}).dropRoot(),
},
},
expectedError: ErrInvalidProof,
},
17: { // An invalid proof with one path and a limit.
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
limit: 10,
invalidProof: &KeyRangeProof{
RootHash: root,
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x0a}),
Node: dummyLeafNode([]byte{0x0a}, []byte{0x0a}),
},
},
expectedError: ErrInvalidProof,
},
18: { // An invalid proof with one path and a limit.
keyStart: []byte{0x30},
keyEnd: []byte{0x40},
root: root,
limit: 10,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x99}),
Node: dummyLeafNode([]byte{0x99}, []byte{0x99}),
},
},
expectedError: ErrInvalidProof,
},
19: { // First value returned is wrong. Should be 0x11.
keyStart: []byte{0x10},
keyEnd: []byte{0xf1},
resultKeys: [][]byte{[]byte{0x2e}},
resultVals: [][]byte{[]byte{0x2e}},
root: root,
limit: 1,
invalidProof: &KeyRangeProof{
RootHash: root,
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x2e}),
},
},
expectedError: ErrInvalidProof,
},
20: { // Ethan Frey's failing test case.
keyStart: []byte{0x05},
keyEnd: []byte{0xca},
resultKeys: [][]byte{[]byte{0x2e}, []byte{0x32}},
resultVals: [][]byte{[]byte{0x2e}, []byte{0x32}},
limit: 2,
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x50}),
Node: dummyLeafNode([]byte{0x50}, []byte{0x50}),
},
},
expectedError: ErrInvalidProof,
},
21: { // Ethan Frey's reverse failing test case.
keyStart: []byte{0xca},
keyEnd: []byte{0x05},
resultKeys: [][]byte{[]byte{0x32}, []byte{0x2e}},
resultVals: [][]byte{[]byte{0x32}, []byte{0x2e}},
limit: 2,
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: nil,
},
expectedError: ErrInvalidProof,
},
22: { // Partial results are detected if they don't fill the limit.
keyStart: []byte{0x05},
keyEnd: []byte{0xca},
resultKeys: [][]byte{[]byte{0x2e}, []byte{0x32}},
resultVals: [][]byte{[]byte{0x2e}, []byte{0x32}},
limit: 3,
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x11}),
Node: dummyLeafNode([]byte{0x11}, []byte{0x11}),
},
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x50}),
Node: dummyLeafNode([]byte{0x50}, []byte{0x50}),
},
},
expectedError: ErrInvalidProof,
},
23: { // Valid proof.
keyStart: []byte{0x10},
keyEnd: []byte{0x55},
limit: 3,
resultKeys: [][]byte{[]byte{0x11}, []byte{0x2e}, []byte{0x32}},
resultVals: [][]byte{[]byte{0x11}, []byte{0x2e}, []byte{0x32}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x0a}),
Node: dummyLeafNode([]byte{0x0a}, []byte{0x0a}),
},
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x11}),
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x50}),
Node: dummyLeafNode([]byte{0x50}, []byte{0x50}),
},
},
expectedError: nil,
},
24: { // Valid proof.
keyStart: []byte{0x45},
keyEnd: []byte{0x05},
limit: 3,
resultKeys: [][]byte{[]byte{0x32}, []byte{0x2e}, []byte{0x11}},
resultVals: [][]byte{[]byte{0x32}, []byte{0x2e}, []byte{0x11}},
root: root,
invalidProof: &KeyRangeProof{
RootHash: root,
Left: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x0a}),
Node: dummyLeafNode([]byte{0x0a}, []byte{0x0a}),
},
PathToKeys: []*PathToKey{
dummyPathToKey(tree, []byte{0x11}),
dummyPathToKey(tree, []byte{0x2e}),
dummyPathToKey(tree, []byte{0x32}),
},
Right: &pathWithNode{
Path: dummyPathToKey(tree, []byte{0x50}),
Node: dummyLeafNode([]byte{0x50}, []byte{0x50}),
},
},
expectedError: nil,
},
}
for i, c := range cases {
//
// Test the case by checking we get the expected error.
//
err := c.invalidProof.Verify(c.keyStart, c.keyEnd, c.limit, c.resultKeys, c.resultVals, c.root)
if c.expectedError != nil {
require.Error(err, "Test failed for case #%d", i)
require.Equal(c.expectedError.Error(), err.Error(), "Test failed for case #%d:\n%+v", i, err)
} else {
assert.Nil(err, "Test failed for case #%d: %+v", i, err)
continue // No point testing the reverse, as it will fail.
}
//
// Now do the same thing with start and end key swapped.
//
resultKeysDesc := [][]byte{}
for _, k := range c.resultKeys {
resultKeysDesc = append([][]byte{k}, resultKeysDesc...)
}
resultValsDesc := [][]byte{}
for _, v := range c.resultVals {
resultValsDesc = append([][]byte{v}, resultValsDesc...)
}
err = c.invalidProof.Verify(c.keyEnd, c.keyStart, c.limit, resultKeysDesc, resultValsDesc, c.root)
require.Error(err, "Test failed for case #%d (reversed)", i)
require.Equal(c.expectedError.Error(), err.Error(), "Test failed for case #%d (reversed):\n%+v", i, err)
}
}
func TestTreeKeyAbsentProof(t *testing.T) {
tree := NewTree(0, nil)