mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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111 lines
3.8 KiB
Go
111 lines
3.8 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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"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"
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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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"golang.org/x/net/context"
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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 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 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 tfTrieEntryAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
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return &light.TrieRequest{Id: light.StateTrieID(core.GetHeader(db, bhash, core.GetBlockNumber(db, bhash))), Key: testBankSecureTrieKey}
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}
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func TestCodeAccessLes1(t *testing.T) { testAccess(t, 1, tfCodeAccess) }
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func tfCodeAccess(db ethdb.Database, bhash common.Hash, number uint64) light.OdrRequest {
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header := core.GetHeader(db, bhash, core.GetBlockNumber(db, bhash))
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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, 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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pm, db, _ := newTestProtocolManagerMust(t, false, 4, testChainGen)
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lpm, ldb, odr := newTestProtocolManagerMust(t, true, 0, nil)
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_, err1, lpeer, err2 := newTestPeerPair("peer", protocol, pm, lpm)
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select {
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case <-time.After(time.Millisecond * 100):
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case err := <-err1:
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t.Fatalf("peer 1 handshake error: %v", err)
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case err := <-err2:
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t.Fatalf("peer 1 handshake error: %v", err)
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}
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lpm.synchronise(lpeer)
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test := func(expFail uint64) {
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for i := uint64(0); i <= pm.blockchain.CurrentHeader().Number.Uint64(); i++ {
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bhash := core.GetCanonicalHash(db, i)
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if req := fn(ldb, bhash, i); req != nil {
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ctx, _ := context.WithTimeout(context.Background(), 200*time.Millisecond)
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err := 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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odr.UnregisterPeer(lpeer)
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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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odr.RegisterPeer(lpeer)
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// expect all retrievals to pass
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test(5)
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odr.UnregisterPeer(lpeer)
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}
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