github.com/ylsGit/go-ethereum@v1.6.5/eth/backend_test.go (about)

     1  // Copyright 2015 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package eth
    18  
    19  import (
    20  	"math/big"
    21  	"testing"
    22  
    23  	"github.com/ethereum/go-ethereum/common"
    24  	"github.com/ethereum/go-ethereum/core"
    25  	"github.com/ethereum/go-ethereum/core/types"
    26  	"github.com/ethereum/go-ethereum/ethdb"
    27  	"github.com/ethereum/go-ethereum/params"
    28  )
    29  
    30  func TestMipmapUpgrade(t *testing.T) {
    31  	db, _ := ethdb.NewMemDatabase()
    32  	addr := common.BytesToAddress([]byte("jeff"))
    33  	genesis := new(core.Genesis).MustCommit(db)
    34  
    35  	chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) {
    36  		var receipts types.Receipts
    37  		switch i {
    38  		case 1:
    39  			receipt := types.NewReceipt(nil, new(big.Int))
    40  			receipt.Logs = []*types.Log{{Address: addr}}
    41  			gen.AddUncheckedReceipt(receipt)
    42  			receipts = types.Receipts{receipt}
    43  		case 2:
    44  			receipt := types.NewReceipt(nil, new(big.Int))
    45  			receipt.Logs = []*types.Log{{Address: addr}}
    46  			gen.AddUncheckedReceipt(receipt)
    47  			receipts = types.Receipts{receipt}
    48  		}
    49  
    50  		// store the receipts
    51  		err := core.WriteReceipts(db, receipts)
    52  		if err != nil {
    53  			t.Fatal(err)
    54  		}
    55  	})
    56  	for i, block := range chain {
    57  		core.WriteBlock(db, block)
    58  		if err := core.WriteCanonicalHash(db, block.Hash(), block.NumberU64()); err != nil {
    59  			t.Fatalf("failed to insert block number: %v", err)
    60  		}
    61  		if err := core.WriteHeadBlockHash(db, block.Hash()); err != nil {
    62  			t.Fatalf("failed to insert block number: %v", err)
    63  		}
    64  		if err := core.WriteBlockReceipts(db, block.Hash(), block.NumberU64(), receipts[i]); err != nil {
    65  			t.Fatal("error writing block receipts:", err)
    66  		}
    67  	}
    68  
    69  	err := addMipmapBloomBins(db)
    70  	if err != nil {
    71  		t.Fatal(err)
    72  	}
    73  
    74  	bloom := core.GetMipmapBloom(db, 1, core.MIPMapLevels[0])
    75  	if (bloom == types.Bloom{}) {
    76  		t.Error("got empty bloom filter")
    77  	}
    78  
    79  	data, _ := db.Get([]byte("setting-mipmap-version"))
    80  	if len(data) == 0 {
    81  		t.Error("setting-mipmap-version not written to database")
    82  	}
    83  }