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- // Copyright 2016 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package les
- import (
- "context"
- "testing"
- "time"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/core/rawdb"
- "github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/light"
- )
- var testBankSecureTrieKey = secAddr(bankAddr)
- func secAddr(addr common.Address) []byte {
- return crypto.Keccak256(addr[:])
- }
- type accessTestFn func(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest
- func TestBlockAccessLes2(t *testing.T) { testAccess(t, 2, tfBlockAccess) }
- func TestBlockAccessLes3(t *testing.T) { testAccess(t, 3, tfBlockAccess) }
- func TestBlockAccessLes4(t *testing.T) { testAccess(t, 4, tfBlockAccess) }
- func tfBlockAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
- return &light.BlockRequest{Hash: bhash, Number: number}
- }
- func TestReceiptsAccessLes2(t *testing.T) { testAccess(t, 2, tfReceiptsAccess) }
- func TestReceiptsAccessLes3(t *testing.T) { testAccess(t, 3, tfReceiptsAccess) }
- func TestReceiptsAccessLes4(t *testing.T) { testAccess(t, 4, tfReceiptsAccess) }
- func tfReceiptsAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
- return &light.ReceiptsRequest{Hash: bhash, Number: number}
- }
- func TestTrieEntryAccessLes2(t *testing.T) { testAccess(t, 2, tfTrieEntryAccess) }
- func TestTrieEntryAccessLes3(t *testing.T) { testAccess(t, 3, tfTrieEntryAccess) }
- func TestTrieEntryAccessLes4(t *testing.T) { testAccess(t, 4, tfTrieEntryAccess) }
- func tfTrieEntryAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
- if number := rawdb.ReadHeaderNumber(db, bhash); number != nil {
- return &light.TrieRequest{Id: light.StateTrieID(rawdb.ReadHeader(db, bhash, *number)), Key: testBankSecureTrieKey}
- }
- return nil
- }
- func TestCodeAccessLes2(t *testing.T) { testAccess(t, 2, tfCodeAccess) }
- func TestCodeAccessLes3(t *testing.T) { testAccess(t, 3, tfCodeAccess) }
- func TestCodeAccessLes4(t *testing.T) { testAccess(t, 4, tfCodeAccess) }
- func tfCodeAccess(db ethdb.Database, bhash common.Hash, num uint64) light.OdrRequest {
- number := rawdb.ReadHeaderNumber(db, bhash)
- if number != nil {
- return nil
- }
- header := rawdb.ReadHeader(db, bhash, *number)
- if header.Number.Uint64() < testContractDeployed {
- return nil
- }
- sti := light.StateTrieID(header)
- ci := light.StorageTrieID(sti, crypto.Keccak256Hash(testContractAddr[:]), common.Hash{})
- return &light.CodeRequest{Id: ci, Hash: crypto.Keccak256Hash(testContractCodeDeployed)}
- }
- func testAccess(t *testing.T, protocol int, fn accessTestFn) {
- // Assemble the test environment
- netconfig := testnetConfig{
- blocks: 4,
- protocol: protocol,
- indexFn: nil,
- connect: true,
- nopruning: true,
- }
- server, client, tearDown := newClientServerEnv(t, netconfig)
- defer tearDown()
- // Ensure the client has synced all necessary data.
- clientHead := client.handler.backend.blockchain.CurrentHeader()
- if clientHead.Number.Uint64() != 4 {
- t.Fatalf("Failed to sync the chain with server, head: %v", clientHead.Number.Uint64())
- }
- test := func(expFail uint64) {
- for i := uint64(0); i <= server.handler.blockchain.CurrentHeader().Number.Uint64(); i++ {
- bhash := rawdb.ReadCanonicalHash(server.db, i)
- if req := fn(client.db, bhash, i); req != nil {
- ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
- err := client.handler.backend.odr.Retrieve(ctx, req)
- cancel()
- got := err == nil
- exp := i < expFail
- if exp && !got {
- t.Errorf("object retrieval failed")
- }
- if !exp && got {
- t.Errorf("unexpected object retrieval success")
- }
- }
- }
- }
- test(5)
- }
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