plugeth/les/request_test.go

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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/>.
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package les
import (
"context"
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"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/light"
)
var testBankSecureTrieKey = secAddr(bankAddr)
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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) }
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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) }
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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) }
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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
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}
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 {
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return nil
}
sti := light.StateTrieID(header)
ci := light.StorageTrieID(sti, testContractAddr, types.EmptyRootHash)
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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()
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// 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())
}
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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()
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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)
}