Transaction unindexing will be enabled by default as of 1.10, which causes tx status retrieval will be broken without this PR. This PR introduces a retry mechanism in TxStatus retrieval.
		
			
				
	
	
		
			123 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			4.4 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(bankAddr)
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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 TestBlockAccessLes2(t *testing.T) { testAccess(t, 2, tfBlockAccess) }
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func TestBlockAccessLes3(t *testing.T) { testAccess(t, 3, tfBlockAccess) }
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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 {
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	return &light.BlockRequest{Hash: bhash, Number: number}
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}
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func TestReceiptsAccessLes2(t *testing.T) { testAccess(t, 2, tfReceiptsAccess) }
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func TestReceiptsAccessLes3(t *testing.T) { testAccess(t, 3, tfReceiptsAccess) }
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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 {
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	return &light.ReceiptsRequest{Hash: bhash, Number: number}
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}
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func TestTrieEntryAccessLes2(t *testing.T) { testAccess(t, 2, tfTrieEntryAccess) }
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func TestTrieEntryAccessLes3(t *testing.T) { testAccess(t, 3, tfTrieEntryAccess) }
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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 {
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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 TestCodeAccessLes2(t *testing.T) { testAccess(t, 2, tfCodeAccess) }
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func TestCodeAccessLes3(t *testing.T) { testAccess(t, 3, tfCodeAccess) }
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func TestCodeAccessLes4(t *testing.T) { testAccess(t, 4, 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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	netconfig := testnetConfig{
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		blocks:    4,
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		protocol:  protocol,
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		indexFn:   nil,
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		connect:   true,
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		nopruning: true,
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	}
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	server, client, tearDown := newClientServerEnv(t, netconfig)
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	defer tearDown()
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	// Ensure the client has synced all necessary data.
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	clientHead := client.handler.backend.blockchain.CurrentHeader()
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	if clientHead.Number.Uint64() != 4 {
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		t.Fatalf("Failed to sync the chain with server, head: %v", clientHead.Number.Uint64())
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	}
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	test := func(expFail uint64) {
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		for i := uint64(0); i <= server.handler.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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				err := client.handler.backend.odr.Retrieve(ctx, req)
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				cancel()
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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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	test(5)
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}
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