mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-02-26 07:37:20 +00:00
588dd94aad
This PR implements the indexing scheme for trie node history. Check https://github.com/ethereum/go-ethereum/pull/33399 for more details
584 lines
9.7 KiB
Go
584 lines
9.7 KiB
Go
// Copyright 2025 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package pathdb
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import (
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"bytes"
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"reflect"
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"testing"
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)
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func TestHexPathNodeID(t *testing.T) {
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t.Parallel()
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var suites = []struct {
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input string
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exp uint16
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}{
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{
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input: "",
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exp: 0,
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},
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{
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input: string([]byte{0x0}),
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exp: 1,
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},
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{
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input: string([]byte{0xf}),
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exp: 16,
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},
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{
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input: string([]byte{0x0, 0x0}),
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exp: 17,
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},
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{
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input: string([]byte{0x0, 0xf}),
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exp: 32,
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},
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{
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input: string([]byte{0x1, 0x0}),
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exp: 33,
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},
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{
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input: string([]byte{0x1, 0xf}),
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exp: 48,
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},
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{
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input: string([]byte{0xf, 0xf}),
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exp: 272,
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},
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{
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input: string([]byte{0xf, 0xf, 0xf}),
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exp: 4368,
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},
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}
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for _, suite := range suites {
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got := hexPathNodeID(suite.input)
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if got != suite.exp {
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t.Fatalf("Unexpected node ID for %v: got %d, want %d", suite.input, got, suite.exp)
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}
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}
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}
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func TestFindLeafPaths(t *testing.T) {
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t.Parallel()
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tests := []struct {
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input []string
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expect []string
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}{
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{
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input: nil,
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expect: nil,
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},
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{
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input: []string{"a"},
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expect: []string{"a"},
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},
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{
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input: []string{"", "0", "00", "01", "1"},
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expect: []string{
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"00",
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"01",
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"1",
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},
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},
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{
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input: []string{"10", "100", "11", "2"},
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expect: []string{
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"100",
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"11",
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"2",
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},
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},
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{
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input: []string{"10", "100000000", "11", "111111111", "2"},
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expect: []string{
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"100000000",
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"111111111",
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"2",
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},
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},
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}
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for _, test := range tests {
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res := findLeafPaths(test.input)
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if !reflect.DeepEqual(res, test.expect) {
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t.Fatalf("Unexpected result: %v, expected %v", res, test.expect)
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}
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}
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}
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func TestSplitAccountPath(t *testing.T) {
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t.Parallel()
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var suites = []struct {
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input string
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expPrefix []string
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expID []uint16
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}{
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// Length = 0
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{
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"", nil, nil,
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},
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// Length = 1
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{
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string([]byte{0x0}),
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[]string{
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string([]byte{0x0}),
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},
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[]uint16{
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0,
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},
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},
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{
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string([]byte{0x1}),
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[]string{
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string([]byte{0x1}),
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},
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[]uint16{
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0,
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},
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},
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{
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string([]byte{0xf}),
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[]string{
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string([]byte{0xf}),
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},
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[]uint16{
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0,
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},
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},
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// Length = 2
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{
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string([]byte{0x0, 0x0}),
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[]string{
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string([]byte{0x0}),
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},
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[]uint16{
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1,
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},
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},
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{
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string([]byte{0x0, 0x1}),
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[]string{
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string([]byte{0x0}),
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},
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[]uint16{
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2,
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},
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},
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{
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string([]byte{0x0, 0xf}),
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[]string{
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string([]byte{0x0}),
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},
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[]uint16{
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16,
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},
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},
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{
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string([]byte{0xf, 0xf}),
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[]string{
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string([]byte{0xf}),
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},
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[]uint16{
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16,
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},
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},
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// Length = 3
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{
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string([]byte{0x0, 0x0, 0x0}),
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[]string{
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string([]byte{0x0}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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1, 0,
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},
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},
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// Length = 3
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{
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string([]byte{0xf, 0xf, 0xf}),
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[]string{
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string([]byte{0xf}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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16, 0,
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},
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},
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// Length = 4
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{
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string([]byte{0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{0x0}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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1, 1,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{0xf}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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16, 16,
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},
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},
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// Length = 5
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{
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{0x0}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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1, 17,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{0xf}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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16, 272,
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},
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},
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// Length = 6
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{
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{0x0}),
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string([]byte{0x0, 0x0, 0x0}),
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}),
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},
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[]uint16{
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1, 17, 0,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{0xf}),
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string([]byte{0xf, 0xf, 0xf}),
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf, 0xf}),
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},
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[]uint16{
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16, 272, 0,
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},
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},
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}
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for _, suite := range suites {
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prefix, id := accountIndexScheme.splitPath(suite.input)
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if !reflect.DeepEqual(prefix, suite.expPrefix) {
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t.Fatalf("Unexpected prefix for %v: got %v, want %v", suite.input, prefix, suite.expPrefix)
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}
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if !reflect.DeepEqual(id, suite.expID) {
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t.Fatalf("Unexpected ID for %v: got %v, want %v", suite.input, id, suite.expID)
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}
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}
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}
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func TestSplitStoragePath(t *testing.T) {
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t.Parallel()
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var suites = []struct {
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input string
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expPrefix []string
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expID []uint16
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}{
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// Length = 0
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{
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"",
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[]string{
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string([]byte{}),
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},
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[]uint16{
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0,
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},
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},
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// Length = 1
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{
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string([]byte{0x0}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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1,
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},
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},
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{
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string([]byte{0x1}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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2,
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},
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},
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{
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string([]byte{0xf}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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16,
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},
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},
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// Length = 2
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{
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string([]byte{0x0, 0x0}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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17,
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},
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},
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{
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string([]byte{0x0, 0x1}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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18,
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},
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},
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{
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string([]byte{0x0, 0xf}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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32,
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},
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},
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{
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string([]byte{0xf, 0xf}),
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[]string{
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string([]byte{}),
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},
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[]uint16{
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272,
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},
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},
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// Length = 3
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{
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string([]byte{0x0, 0x0, 0x0}),
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[]string{
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string([]byte{}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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17, 0,
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},
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},
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// Length = 3
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{
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string([]byte{0xf, 0xf, 0xf}),
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[]string{
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string([]byte{}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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272, 0,
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},
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},
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// Length = 4
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{
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string([]byte{0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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17, 1,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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272, 16,
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},
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},
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// Length = 5
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{
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{}),
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string([]byte{0x0, 0x0, 0x0}),
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},
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[]uint16{
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17, 17,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{}),
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string([]byte{0xf, 0xf, 0xf}),
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},
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[]uint16{
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272, 272,
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},
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},
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// Length = 6
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{
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}),
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[]string{
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string([]byte{}),
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string([]byte{0x0, 0x0, 0x0}),
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string([]byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0}),
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},
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[]uint16{
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17, 17, 0,
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},
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},
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{
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf, 0xf}),
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[]string{
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string([]byte{}),
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string([]byte{0xf, 0xf, 0xf}),
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string([]byte{0xf, 0xf, 0xf, 0xf, 0xf, 0xf}),
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},
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[]uint16{
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272, 272, 0,
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},
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},
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}
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for i, suite := range suites {
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prefix, id := storageIndexScheme.splitPath(suite.input)
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if !reflect.DeepEqual(prefix, suite.expPrefix) {
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t.Fatalf("Test %d, unexpected prefix for %v: got %v, want %v", i, suite.input, prefix, suite.expPrefix)
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}
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if !reflect.DeepEqual(id, suite.expID) {
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t.Fatalf("Test %d, unexpected ID for %v: got %v, want %v", i, suite.input, id, suite.expID)
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}
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}
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}
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func TestIsAncestor(t *testing.T) {
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suites := []struct {
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x, y uint16
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want bool
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}{
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{0, 1, true},
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{0, 16, true},
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{0, 17, true},
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{0, 272, true},
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{1, 0, false},
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{1, 2, false},
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{1, 17, true},
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{1, 18, true},
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{17, 273, true},
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{1, 1, false},
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}
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for _, tc := range suites {
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result := isAncestor(tc.x, tc.y)
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if result != tc.want {
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t.Fatalf("isAncestor(%d, %d) = %v, want %v", tc.x, tc.y, result, tc.want)
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}
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}
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}
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func TestBitmapSet(t *testing.T) {
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suites := []struct {
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index int
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expect []byte
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}{
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{
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0, []byte{0b10000000, 0x0},
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},
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{
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1, []byte{0b01000000, 0x0},
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},
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{
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7, []byte{0b00000001, 0x0},
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},
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{
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8, []byte{0b00000000, 0b10000000},
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},
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{
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15, []byte{0b00000000, 0b00000001},
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},
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}
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for _, tc := range suites {
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var buf [2]byte
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setBit(buf[:], tc.index)
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|
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if !bytes.Equal(buf[:], tc.expect) {
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t.Fatalf("bitmap = %v, want %v", buf, tc.expect)
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}
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if !isBitSet(buf[:], tc.index) {
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t.Fatal("bit is not set")
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}
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}
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}
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|
|
|
func TestBitPositions(t *testing.T) {
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suites := []struct {
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input []byte
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|
expect []int
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}{
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{
|
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[]byte{0b10000000, 0x0}, []int{0},
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},
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{
|
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[]byte{0b01000000, 0x0}, []int{1},
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},
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{
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[]byte{0b00000001, 0x0}, []int{7},
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|
},
|
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{
|
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[]byte{0b00000000, 0b10000000}, []int{8},
|
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},
|
|
{
|
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[]byte{0b00000000, 0b00000001}, []int{15},
|
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},
|
|
{
|
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[]byte{0b10000000, 0b00000001}, []int{0, 15},
|
|
},
|
|
{
|
|
[]byte{0b10000001, 0b00000001}, []int{0, 7, 15},
|
|
},
|
|
{
|
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[]byte{0b10000001, 0b10000001}, []int{0, 7, 8, 15},
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|
},
|
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{
|
|
[]byte{0b11111111, 0b11111111}, []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
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},
|
|
{
|
|
[]byte{0x0, 0x0}, nil,
|
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},
|
|
}
|
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for _, tc := range suites {
|
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got := bitPosTwoBytes(tc.input)
|
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if !reflect.DeepEqual(got, tc.expect) {
|
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t.Fatalf("Unexpected position set, want: %v, got: %v", tc.expect, got)
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}
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}
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}
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