123 lines
4.3 KiB
Go
123 lines
4.3 KiB
Go
// Copyright 2016 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 les
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import (
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"context"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/light"
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)
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var testBankSecureTrieKey = secAddr(testBankAddress)
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func secAddr(addr common.Address) []byte {
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return crypto.Keccak256(addr[:])
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}
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type accessTestFn func(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest
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func TestBlockAccessLes1(t *testing.T) { testAccess(t, 1, tfBlockAccess) }
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func TestBlockAccessLes2(t *testing.T) { testAccess(t, 2, tfBlockAccess) }
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func tfBlockAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
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return &light.BlockRequest{Hash: bhash, Number: number}
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}
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func TestReceiptsAccessLes1(t *testing.T) { testAccess(t, 1, tfReceiptsAccess) }
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func TestReceiptsAccessLes2(t *testing.T) { testAccess(t, 2, tfReceiptsAccess) }
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func tfReceiptsAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
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return &light.ReceiptsRequest{Hash: bhash, Number: number}
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}
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func TestTrieEntryAccessLes1(t *testing.T) { testAccess(t, 1, tfTrieEntryAccess) }
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func TestTrieEntryAccessLes2(t *testing.T) { testAccess(t, 2, tfTrieEntryAccess) }
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func tfTrieEntryAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
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if number := rawdb.ReadHeaderNumber(db, bhash); number != nil {
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return &light.TrieRequest{Id: light.StateTrieID(rawdb.ReadHeader(db, bhash, *number)), Key: testBankSecureTrieKey}
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}
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return nil
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}
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func TestCodeAccessLes1(t *testing.T) { testAccess(t, 1, tfCodeAccess) }
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func TestCodeAccessLes2(t *testing.T) { testAccess(t, 2, tfCodeAccess) }
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func tfCodeAccess(db ethdb.Database, bhash common.Hash, num uint64) light.OdrRequest {
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number := rawdb.ReadHeaderNumber(db, bhash)
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if number != nil {
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return nil
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}
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header := rawdb.ReadHeader(db, bhash, *number)
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if header.Number.Uint64() < testContractDeployed {
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return nil
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}
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sti := light.StateTrieID(header)
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ci := light.StorageTrieID(sti, crypto.Keccak256Hash(testContractAddr[:]), common.Hash{})
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return &light.CodeRequest{Id: ci, Hash: crypto.Keccak256Hash(testContractCodeDeployed)}
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}
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func testAccess(t *testing.T, protocol int, fn accessTestFn) {
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// Assemble the test environment
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server, client, tearDown := newClientServerEnv(t, 4, protocol, nil, true)
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defer tearDown()
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client.pm.synchronise(client.rPeer)
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test := func(expFail uint64) {
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for i := uint64(0); i <= server.pm.blockchain.CurrentHeader().Number.Uint64(); i++ {
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bhash := rawdb.ReadCanonicalHash(server.db, i)
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if req := fn(client.db, bhash, i); req != nil {
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ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
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defer cancel()
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err := client.pm.odr.Retrieve(ctx, req)
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got := err == nil
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exp := i < expFail
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if exp && !got {
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t.Errorf("object retrieval failed")
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}
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if !exp && got {
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t.Errorf("unexpected object retrieval success")
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}
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}
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}
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}
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// temporarily remove peer to test odr fails
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client.peers.Unregister(client.rPeer.id)
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time.Sleep(time.Millisecond * 10) // ensure that all peerSetNotify callbacks are executed
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// expect retrievals to fail (except genesis block) without a les peer
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test(0)
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client.peers.Register(client.rPeer)
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time.Sleep(time.Millisecond * 10) // ensure that all peerSetNotify callbacks are executed
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client.rPeer.lock.Lock()
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client.rPeer.hasBlock = func(common.Hash, uint64, bool) bool { return true }
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client.rPeer.lock.Unlock()
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// expect all retrievals to pass
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test(5)
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}
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