460 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			460 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2018 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 rawdb
 | 
						|
 | 
						|
import (
 | 
						|
	"bytes"
 | 
						|
	"encoding/hex"
 | 
						|
	"fmt"
 | 
						|
	"io/ioutil"
 | 
						|
	"math/big"
 | 
						|
	"os"
 | 
						|
	"reflect"
 | 
						|
	"testing"
 | 
						|
 | 
						|
	"github.com/ethereum/go-ethereum/common"
 | 
						|
	"github.com/ethereum/go-ethereum/core/types"
 | 
						|
	"github.com/ethereum/go-ethereum/params"
 | 
						|
	"github.com/ethereum/go-ethereum/rlp"
 | 
						|
	"golang.org/x/crypto/sha3"
 | 
						|
)
 | 
						|
 | 
						|
// Tests block header storage and retrieval operations.
 | 
						|
func TestHeaderStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a test header to move around the database and make sure it's really new
 | 
						|
	header := &types.Header{Number: big.NewInt(42), Extra: []byte("test header")}
 | 
						|
	if entry := ReadHeader(db, header.Hash(), header.Number.Uint64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent header returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Write and verify the header in the database
 | 
						|
	WriteHeader(db, header)
 | 
						|
	if entry := ReadHeader(db, header.Hash(), header.Number.Uint64()); entry == nil {
 | 
						|
		t.Fatalf("Stored header not found")
 | 
						|
	} else if entry.Hash() != header.Hash() {
 | 
						|
		t.Fatalf("Retrieved header mismatch: have %v, want %v", entry, header)
 | 
						|
	}
 | 
						|
	if entry := ReadHeaderRLP(db, header.Hash(), header.Number.Uint64()); entry == nil {
 | 
						|
		t.Fatalf("Stored header RLP not found")
 | 
						|
	} else {
 | 
						|
		hasher := sha3.NewLegacyKeccak256()
 | 
						|
		hasher.Write(entry)
 | 
						|
 | 
						|
		if hash := common.BytesToHash(hasher.Sum(nil)); hash != header.Hash() {
 | 
						|
			t.Fatalf("Retrieved RLP header mismatch: have %v, want %v", entry, header)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	// Delete the header and verify the execution
 | 
						|
	DeleteHeader(db, header.Hash(), header.Number.Uint64())
 | 
						|
	if entry := ReadHeader(db, header.Hash(), header.Number.Uint64()); entry != nil {
 | 
						|
		t.Fatalf("Deleted header returned: %v", entry)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests block body storage and retrieval operations.
 | 
						|
func TestBodyStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a test body to move around the database and make sure it's really new
 | 
						|
	body := &types.Body{Uncles: []*types.Header{{Extra: []byte("test header")}}}
 | 
						|
 | 
						|
	hasher := sha3.NewLegacyKeccak256()
 | 
						|
	rlp.Encode(hasher, body)
 | 
						|
	hash := common.BytesToHash(hasher.Sum(nil))
 | 
						|
 | 
						|
	if entry := ReadBody(db, hash, 0); entry != nil {
 | 
						|
		t.Fatalf("Non existent body returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Write and verify the body in the database
 | 
						|
	WriteBody(db, hash, 0, body)
 | 
						|
	if entry := ReadBody(db, hash, 0); entry == nil {
 | 
						|
		t.Fatalf("Stored body not found")
 | 
						|
	} else if types.DeriveSha(types.Transactions(entry.Transactions), newHasher()) != types.DeriveSha(types.Transactions(body.Transactions), newHasher()) || types.CalcUncleHash(entry.Uncles) != types.CalcUncleHash(body.Uncles) {
 | 
						|
		t.Fatalf("Retrieved body mismatch: have %v, want %v", entry, body)
 | 
						|
	}
 | 
						|
	if entry := ReadBodyRLP(db, hash, 0); entry == nil {
 | 
						|
		t.Fatalf("Stored body RLP not found")
 | 
						|
	} else {
 | 
						|
		hasher := sha3.NewLegacyKeccak256()
 | 
						|
		hasher.Write(entry)
 | 
						|
 | 
						|
		if calc := common.BytesToHash(hasher.Sum(nil)); calc != hash {
 | 
						|
			t.Fatalf("Retrieved RLP body mismatch: have %v, want %v", entry, body)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	// Delete the body and verify the execution
 | 
						|
	DeleteBody(db, hash, 0)
 | 
						|
	if entry := ReadBody(db, hash, 0); entry != nil {
 | 
						|
		t.Fatalf("Deleted body returned: %v", entry)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests block storage and retrieval operations.
 | 
						|
func TestBlockStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a test block to move around the database and make sure it's really new
 | 
						|
	block := types.NewBlockWithHeader(&types.Header{
 | 
						|
		Extra:       []byte("test block"),
 | 
						|
		UncleHash:   types.EmptyUncleHash,
 | 
						|
		TxHash:      types.EmptyRootHash,
 | 
						|
		ReceiptHash: types.EmptyRootHash,
 | 
						|
	})
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent block returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadHeader(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent header returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadBody(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent body returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Write and verify the block in the database
 | 
						|
	WriteBlock(db, block)
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry == nil {
 | 
						|
		t.Fatalf("Stored block not found")
 | 
						|
	} else if entry.Hash() != block.Hash() {
 | 
						|
		t.Fatalf("Retrieved block mismatch: have %v, want %v", entry, block)
 | 
						|
	}
 | 
						|
	if entry := ReadHeader(db, block.Hash(), block.NumberU64()); entry == nil {
 | 
						|
		t.Fatalf("Stored header not found")
 | 
						|
	} else if entry.Hash() != block.Header().Hash() {
 | 
						|
		t.Fatalf("Retrieved header mismatch: have %v, want %v", entry, block.Header())
 | 
						|
	}
 | 
						|
	if entry := ReadBody(db, block.Hash(), block.NumberU64()); entry == nil {
 | 
						|
		t.Fatalf("Stored body not found")
 | 
						|
	} else if types.DeriveSha(types.Transactions(entry.Transactions), newHasher()) != types.DeriveSha(block.Transactions(), newHasher()) || types.CalcUncleHash(entry.Uncles) != types.CalcUncleHash(block.Uncles()) {
 | 
						|
		t.Fatalf("Retrieved body mismatch: have %v, want %v", entry, block.Body())
 | 
						|
	}
 | 
						|
	// Delete the block and verify the execution
 | 
						|
	DeleteBlock(db, block.Hash(), block.NumberU64())
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Deleted block returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadHeader(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Deleted header returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadBody(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Deleted body returned: %v", entry)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests that partial block contents don't get reassembled into full blocks.
 | 
						|
func TestPartialBlockStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
	block := types.NewBlockWithHeader(&types.Header{
 | 
						|
		Extra:       []byte("test block"),
 | 
						|
		UncleHash:   types.EmptyUncleHash,
 | 
						|
		TxHash:      types.EmptyRootHash,
 | 
						|
		ReceiptHash: types.EmptyRootHash,
 | 
						|
	})
 | 
						|
	// Store a header and check that it's not recognized as a block
 | 
						|
	WriteHeader(db, block.Header())
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent block returned: %v", entry)
 | 
						|
	}
 | 
						|
	DeleteHeader(db, block.Hash(), block.NumberU64())
 | 
						|
 | 
						|
	// Store a body and check that it's not recognized as a block
 | 
						|
	WriteBody(db, block.Hash(), block.NumberU64(), block.Body())
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry != nil {
 | 
						|
		t.Fatalf("Non existent block returned: %v", entry)
 | 
						|
	}
 | 
						|
	DeleteBody(db, block.Hash(), block.NumberU64())
 | 
						|
 | 
						|
	// Store a header and a body separately and check reassembly
 | 
						|
	WriteHeader(db, block.Header())
 | 
						|
	WriteBody(db, block.Hash(), block.NumberU64(), block.Body())
 | 
						|
 | 
						|
	if entry := ReadBlock(db, block.Hash(), block.NumberU64()); entry == nil {
 | 
						|
		t.Fatalf("Stored block not found")
 | 
						|
	} else if entry.Hash() != block.Hash() {
 | 
						|
		t.Fatalf("Retrieved block mismatch: have %v, want %v", entry, block)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests block total difficulty storage and retrieval operations.
 | 
						|
func TestTdStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a test TD to move around the database and make sure it's really new
 | 
						|
	hash, td := common.Hash{}, big.NewInt(314)
 | 
						|
	if entry := ReadTd(db, hash, 0); entry != nil {
 | 
						|
		t.Fatalf("Non existent TD returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Write and verify the TD in the database
 | 
						|
	WriteTd(db, hash, 0, td)
 | 
						|
	if entry := ReadTd(db, hash, 0); entry == nil {
 | 
						|
		t.Fatalf("Stored TD not found")
 | 
						|
	} else if entry.Cmp(td) != 0 {
 | 
						|
		t.Fatalf("Retrieved TD mismatch: have %v, want %v", entry, td)
 | 
						|
	}
 | 
						|
	// Delete the TD and verify the execution
 | 
						|
	DeleteTd(db, hash, 0)
 | 
						|
	if entry := ReadTd(db, hash, 0); entry != nil {
 | 
						|
		t.Fatalf("Deleted TD returned: %v", entry)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests that canonical numbers can be mapped to hashes and retrieved.
 | 
						|
func TestCanonicalMappingStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a test canonical number and assinged hash to move around
 | 
						|
	hash, number := common.Hash{0: 0xff}, uint64(314)
 | 
						|
	if entry := ReadCanonicalHash(db, number); entry != (common.Hash{}) {
 | 
						|
		t.Fatalf("Non existent canonical mapping returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Write and verify the TD in the database
 | 
						|
	WriteCanonicalHash(db, hash, number)
 | 
						|
	if entry := ReadCanonicalHash(db, number); entry == (common.Hash{}) {
 | 
						|
		t.Fatalf("Stored canonical mapping not found")
 | 
						|
	} else if entry != hash {
 | 
						|
		t.Fatalf("Retrieved canonical mapping mismatch: have %v, want %v", entry, hash)
 | 
						|
	}
 | 
						|
	// Delete the TD and verify the execution
 | 
						|
	DeleteCanonicalHash(db, number)
 | 
						|
	if entry := ReadCanonicalHash(db, number); entry != (common.Hash{}) {
 | 
						|
		t.Fatalf("Deleted canonical mapping returned: %v", entry)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests that head headers and head blocks can be assigned, individually.
 | 
						|
func TestHeadStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	blockHead := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block header")})
 | 
						|
	blockFull := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block full")})
 | 
						|
	blockFast := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block fast")})
 | 
						|
 | 
						|
	// Check that no head entries are in a pristine database
 | 
						|
	if entry := ReadHeadHeaderHash(db); entry != (common.Hash{}) {
 | 
						|
		t.Fatalf("Non head header entry returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadHeadBlockHash(db); entry != (common.Hash{}) {
 | 
						|
		t.Fatalf("Non head block entry returned: %v", entry)
 | 
						|
	}
 | 
						|
	if entry := ReadHeadFastBlockHash(db); entry != (common.Hash{}) {
 | 
						|
		t.Fatalf("Non fast head block entry returned: %v", entry)
 | 
						|
	}
 | 
						|
	// Assign separate entries for the head header and block
 | 
						|
	WriteHeadHeaderHash(db, blockHead.Hash())
 | 
						|
	WriteHeadBlockHash(db, blockFull.Hash())
 | 
						|
	WriteHeadFastBlockHash(db, blockFast.Hash())
 | 
						|
 | 
						|
	// Check that both heads are present, and different (i.e. two heads maintained)
 | 
						|
	if entry := ReadHeadHeaderHash(db); entry != blockHead.Hash() {
 | 
						|
		t.Fatalf("Head header hash mismatch: have %v, want %v", entry, blockHead.Hash())
 | 
						|
	}
 | 
						|
	if entry := ReadHeadBlockHash(db); entry != blockFull.Hash() {
 | 
						|
		t.Fatalf("Head block hash mismatch: have %v, want %v", entry, blockFull.Hash())
 | 
						|
	}
 | 
						|
	if entry := ReadHeadFastBlockHash(db); entry != blockFast.Hash() {
 | 
						|
		t.Fatalf("Fast head block hash mismatch: have %v, want %v", entry, blockFast.Hash())
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// Tests that receipts associated with a single block can be stored and retrieved.
 | 
						|
func TestBlockReceiptStorage(t *testing.T) {
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
 | 
						|
	// Create a live block since we need metadata to reconstruct the receipt
 | 
						|
	tx1 := types.NewTransaction(1, common.HexToAddress("0x1"), big.NewInt(1), 1, big.NewInt(1), nil)
 | 
						|
	tx2 := types.NewTransaction(2, common.HexToAddress("0x2"), big.NewInt(2), 2, big.NewInt(2), nil)
 | 
						|
 | 
						|
	body := &types.Body{Transactions: types.Transactions{tx1, tx2}}
 | 
						|
 | 
						|
	// Create the two receipts to manage afterwards
 | 
						|
	receipt1 := &types.Receipt{
 | 
						|
		Status:            types.ReceiptStatusFailed,
 | 
						|
		CumulativeGasUsed: 1,
 | 
						|
		Logs: []*types.Log{
 | 
						|
			{Address: common.BytesToAddress([]byte{0x11})},
 | 
						|
			{Address: common.BytesToAddress([]byte{0x01, 0x11})},
 | 
						|
		},
 | 
						|
		TxHash:          tx1.Hash(),
 | 
						|
		ContractAddress: common.BytesToAddress([]byte{0x01, 0x11, 0x11}),
 | 
						|
		GasUsed:         111111,
 | 
						|
	}
 | 
						|
	receipt1.Bloom = types.CreateBloom(types.Receipts{receipt1})
 | 
						|
 | 
						|
	receipt2 := &types.Receipt{
 | 
						|
		PostState:         common.Hash{2}.Bytes(),
 | 
						|
		CumulativeGasUsed: 2,
 | 
						|
		Logs: []*types.Log{
 | 
						|
			{Address: common.BytesToAddress([]byte{0x22})},
 | 
						|
			{Address: common.BytesToAddress([]byte{0x02, 0x22})},
 | 
						|
		},
 | 
						|
		TxHash:          tx2.Hash(),
 | 
						|
		ContractAddress: common.BytesToAddress([]byte{0x02, 0x22, 0x22}),
 | 
						|
		GasUsed:         222222,
 | 
						|
	}
 | 
						|
	receipt2.Bloom = types.CreateBloom(types.Receipts{receipt2})
 | 
						|
	receipts := []*types.Receipt{receipt1, receipt2}
 | 
						|
 | 
						|
	// Check that no receipt entries are in a pristine database
 | 
						|
	hash := common.BytesToHash([]byte{0x03, 0x14})
 | 
						|
	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
 | 
						|
		t.Fatalf("non existent receipts returned: %v", rs)
 | 
						|
	}
 | 
						|
	// Insert the body that corresponds to the receipts
 | 
						|
	WriteBody(db, hash, 0, body)
 | 
						|
 | 
						|
	// Insert the receipt slice into the database and check presence
 | 
						|
	WriteReceipts(db, hash, 0, receipts)
 | 
						|
	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) == 0 {
 | 
						|
		t.Fatalf("no receipts returned")
 | 
						|
	} else {
 | 
						|
		if err := checkReceiptsRLP(rs, receipts); err != nil {
 | 
						|
			t.Fatalf(err.Error())
 | 
						|
		}
 | 
						|
	}
 | 
						|
	// Delete the body and ensure that the receipts are no longer returned (metadata can't be recomputed)
 | 
						|
	DeleteBody(db, hash, 0)
 | 
						|
	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); rs != nil {
 | 
						|
		t.Fatalf("receipts returned when body was deleted: %v", rs)
 | 
						|
	}
 | 
						|
	// Ensure that receipts without metadata can be returned without the block body too
 | 
						|
	if err := checkReceiptsRLP(ReadRawReceipts(db, hash, 0), receipts); err != nil {
 | 
						|
		t.Fatalf(err.Error())
 | 
						|
	}
 | 
						|
	// Sanity check that body alone without the receipt is a full purge
 | 
						|
	WriteBody(db, hash, 0, body)
 | 
						|
 | 
						|
	DeleteReceipts(db, hash, 0)
 | 
						|
	if rs := ReadReceipts(db, hash, 0, params.TestChainConfig); len(rs) != 0 {
 | 
						|
		t.Fatalf("deleted receipts returned: %v", rs)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func checkReceiptsRLP(have, want types.Receipts) error {
 | 
						|
	if len(have) != len(want) {
 | 
						|
		return fmt.Errorf("receipts sizes mismatch: have %d, want %d", len(have), len(want))
 | 
						|
	}
 | 
						|
	for i := 0; i < len(want); i++ {
 | 
						|
		rlpHave, err := rlp.EncodeToBytes(have[i])
 | 
						|
		if err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
		rlpWant, err := rlp.EncodeToBytes(want[i])
 | 
						|
		if err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
		if !bytes.Equal(rlpHave, rlpWant) {
 | 
						|
			return fmt.Errorf("receipt #%d: receipt mismatch: have %s, want %s", i, hex.EncodeToString(rlpHave), hex.EncodeToString(rlpWant))
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func TestAncientStorage(t *testing.T) {
 | 
						|
	// Freezer style fast import the chain.
 | 
						|
	frdir, err := ioutil.TempDir("", "")
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to create temp freezer dir: %v", err)
 | 
						|
	}
 | 
						|
	defer os.Remove(frdir)
 | 
						|
 | 
						|
	db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "")
 | 
						|
	if err != nil {
 | 
						|
		t.Fatalf("failed to create database with ancient backend")
 | 
						|
	}
 | 
						|
	// Create a test block
 | 
						|
	block := types.NewBlockWithHeader(&types.Header{
 | 
						|
		Number:      big.NewInt(0),
 | 
						|
		Extra:       []byte("test block"),
 | 
						|
		UncleHash:   types.EmptyUncleHash,
 | 
						|
		TxHash:      types.EmptyRootHash,
 | 
						|
		ReceiptHash: types.EmptyRootHash,
 | 
						|
	})
 | 
						|
	// Ensure nothing non-existent will be read
 | 
						|
	hash, number := block.Hash(), block.NumberU64()
 | 
						|
	if blob := ReadHeaderRLP(db, hash, number); len(blob) > 0 {
 | 
						|
		t.Fatalf("non existent header returned")
 | 
						|
	}
 | 
						|
	if blob := ReadBodyRLP(db, hash, number); len(blob) > 0 {
 | 
						|
		t.Fatalf("non existent body returned")
 | 
						|
	}
 | 
						|
	if blob := ReadReceiptsRLP(db, hash, number); len(blob) > 0 {
 | 
						|
		t.Fatalf("non existent receipts returned")
 | 
						|
	}
 | 
						|
	if blob := ReadTdRLP(db, hash, number); len(blob) > 0 {
 | 
						|
		t.Fatalf("non existent td returned")
 | 
						|
	}
 | 
						|
	// Write and verify the header in the database
 | 
						|
	WriteAncientBlock(db, block, nil, big.NewInt(100))
 | 
						|
	if blob := ReadHeaderRLP(db, hash, number); len(blob) == 0 {
 | 
						|
		t.Fatalf("no header returned")
 | 
						|
	}
 | 
						|
	if blob := ReadBodyRLP(db, hash, number); len(blob) == 0 {
 | 
						|
		t.Fatalf("no body returned")
 | 
						|
	}
 | 
						|
	if blob := ReadReceiptsRLP(db, hash, number); len(blob) == 0 {
 | 
						|
		t.Fatalf("no receipts returned")
 | 
						|
	}
 | 
						|
	if blob := ReadTdRLP(db, hash, number); len(blob) == 0 {
 | 
						|
		t.Fatalf("no td returned")
 | 
						|
	}
 | 
						|
	// Use a fake hash for data retrieval, nothing should be returned.
 | 
						|
	fakeHash := common.BytesToHash([]byte{0x01, 0x02, 0x03})
 | 
						|
	if blob := ReadHeaderRLP(db, fakeHash, number); len(blob) != 0 {
 | 
						|
		t.Fatalf("invalid header returned")
 | 
						|
	}
 | 
						|
	if blob := ReadBodyRLP(db, fakeHash, number); len(blob) != 0 {
 | 
						|
		t.Fatalf("invalid body returned")
 | 
						|
	}
 | 
						|
	if blob := ReadReceiptsRLP(db, fakeHash, number); len(blob) != 0 {
 | 
						|
		t.Fatalf("invalid receipts returned")
 | 
						|
	}
 | 
						|
	if blob := ReadTdRLP(db, fakeHash, number); len(blob) != 0 {
 | 
						|
		t.Fatalf("invalid td returned")
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func TestCanonicalHashIteration(t *testing.T) {
 | 
						|
	var cases = []struct {
 | 
						|
		from, to uint64
 | 
						|
		limit    int
 | 
						|
		expect   []uint64
 | 
						|
	}{
 | 
						|
		{1, 8, 0, nil},
 | 
						|
		{1, 8, 1, []uint64{1}},
 | 
						|
		{1, 8, 10, []uint64{1, 2, 3, 4, 5, 6, 7}},
 | 
						|
		{1, 9, 10, []uint64{1, 2, 3, 4, 5, 6, 7, 8}},
 | 
						|
		{2, 9, 10, []uint64{2, 3, 4, 5, 6, 7, 8}},
 | 
						|
		{9, 10, 10, nil},
 | 
						|
	}
 | 
						|
	// Test empty db iteration
 | 
						|
	db := NewMemoryDatabase()
 | 
						|
	numbers, _ := ReadAllCanonicalHashes(db, 0, 10, 10)
 | 
						|
	if len(numbers) != 0 {
 | 
						|
		t.Fatalf("No entry should be returned to iterate an empty db")
 | 
						|
	}
 | 
						|
	// Fill database with testing data.
 | 
						|
	for i := uint64(1); i <= 8; i++ {
 | 
						|
		WriteCanonicalHash(db, common.Hash{}, i)
 | 
						|
		WriteTd(db, common.Hash{}, i, big.NewInt(10)) // Write some interferential data
 | 
						|
	}
 | 
						|
	for i, c := range cases {
 | 
						|
		numbers, _ := ReadAllCanonicalHashes(db, c.from, c.to, c.limit)
 | 
						|
		if !reflect.DeepEqual(numbers, c.expect) {
 | 
						|
			t.Fatalf("Case %d failed, want %v, got %v", i, c.expect, numbers)
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 |