246 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			246 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2017 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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| 
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| package core
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| 
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| import (
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| 	"encoding/json"
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| 	"math/big"
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| 	"reflect"
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| 	"testing"
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| 
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| 	"github.com/davecgh/go-spew/spew"
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/ethereum/go-ethereum/consensus/ethash"
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| 	"github.com/ethereum/go-ethereum/core/rawdb"
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| 	"github.com/ethereum/go-ethereum/core/vm"
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| 	"github.com/ethereum/go-ethereum/ethdb"
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| 	"github.com/ethereum/go-ethereum/params"
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| 	"github.com/ethereum/go-ethereum/trie"
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| )
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| 
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| func TestInvalidCliqueConfig(t *testing.T) {
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| 	block := DefaultGoerliGenesisBlock()
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| 	block.ExtraData = []byte{}
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| 	db := rawdb.NewMemoryDatabase()
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| 	if _, err := block.Commit(db, trie.NewDatabase(db)); err == nil {
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| 		t.Fatal("Expected error on invalid clique config")
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| 	}
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| }
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| 
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| func TestSetupGenesis(t *testing.T) {
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| 	var (
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| 		customghash = common.HexToHash("0x89c99d90b79719238d2645c7642f2c9295246e80775b38cfd162b696817fbd50")
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| 		customg     = Genesis{
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| 			Config: ¶ms.ChainConfig{HomesteadBlock: big.NewInt(3)},
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| 			Alloc: GenesisAlloc{
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| 				{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
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| 			},
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| 		}
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| 		oldcustomg = customg
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| 	)
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| 	oldcustomg.Config = ¶ms.ChainConfig{HomesteadBlock: big.NewInt(2)}
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| 	tests := []struct {
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| 		name       string
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| 		fn         func(ethdb.Database) (*params.ChainConfig, common.Hash, error)
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| 		wantConfig *params.ChainConfig
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| 		wantHash   common.Hash
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| 		wantErr    error
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| 	}{
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| 		{
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| 			name: "genesis without ChainConfig",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), new(Genesis))
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| 			},
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| 			wantErr:    errGenesisNoConfig,
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| 			wantConfig: params.AllEthashProtocolChanges,
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| 		},
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| 		{
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| 			name: "no block in DB, genesis == nil",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), nil)
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| 			},
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| 			wantHash:   params.MainnetGenesisHash,
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| 			wantConfig: params.MainnetChainConfig,
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| 		},
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| 		{
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| 			name: "mainnet block in DB, genesis == nil",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				DefaultGenesisBlock().MustCommit(db)
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), nil)
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| 			},
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| 			wantHash:   params.MainnetGenesisHash,
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| 			wantConfig: params.MainnetChainConfig,
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| 		},
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| 		{
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| 			name: "custom block in DB, genesis == nil",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				customg.MustCommit(db)
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), nil)
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| 			},
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| 			wantHash:   customghash,
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| 			wantConfig: customg.Config,
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| 		},
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| 		{
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| 			name: "custom block in DB, genesis == goerli",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				customg.MustCommit(db)
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), DefaultGoerliGenesisBlock())
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| 			},
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| 			wantErr:    &GenesisMismatchError{Stored: customghash, New: params.GoerliGenesisHash},
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| 			wantHash:   params.GoerliGenesisHash,
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| 			wantConfig: params.GoerliChainConfig,
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| 		},
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| 		{
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| 			name: "compatible config in DB",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				oldcustomg.MustCommit(db)
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), &customg)
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| 			},
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| 			wantHash:   customghash,
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| 			wantConfig: customg.Config,
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| 		},
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| 		{
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| 			name: "incompatible config in DB",
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| 			fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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| 				// Commit the 'old' genesis block with Homestead transition at #2.
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| 				// Advance to block #4, past the homestead transition block of customg.
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| 				genesis := oldcustomg.MustCommit(db)
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| 
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| 				bc, _ := NewBlockChain(db, nil, &oldcustomg, nil, ethash.NewFullFaker(), vm.Config{}, nil, nil)
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| 				defer bc.Stop()
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| 
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| 				blocks, _ := GenerateChain(oldcustomg.Config, genesis, ethash.NewFaker(), db, 4, nil)
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| 				bc.InsertChain(blocks)
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| 
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| 				// This should return a compatibility error.
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| 				return SetupGenesisBlock(db, trie.NewDatabase(db), &customg)
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| 			},
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| 			wantHash:   customghash,
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| 			wantConfig: customg.Config,
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| 			wantErr: ¶ms.ConfigCompatError{
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| 				What:          "Homestead fork block",
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| 				StoredBlock:   big.NewInt(2),
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| 				NewBlock:      big.NewInt(3),
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| 				RewindToBlock: 1,
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| 			},
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| 		},
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| 	}
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| 
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| 	for _, test := range tests {
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| 		db := rawdb.NewMemoryDatabase()
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| 		config, hash, err := test.fn(db)
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| 		// Check the return values.
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| 		if !reflect.DeepEqual(err, test.wantErr) {
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| 			spew := spew.ConfigState{DisablePointerAddresses: true, DisableCapacities: true}
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| 			t.Errorf("%s: returned error %#v, want %#v", test.name, spew.NewFormatter(err), spew.NewFormatter(test.wantErr))
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| 		}
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| 		if !reflect.DeepEqual(config, test.wantConfig) {
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| 			t.Errorf("%s:\nreturned %v\nwant     %v", test.name, config, test.wantConfig)
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| 		}
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| 		if hash != test.wantHash {
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| 			t.Errorf("%s: returned hash %s, want %s", test.name, hash.Hex(), test.wantHash.Hex())
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| 		} else if err == nil {
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| 			// Check database content.
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| 			stored := rawdb.ReadBlock(db, test.wantHash, 0)
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| 			if stored.Hash() != test.wantHash {
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| 				t.Errorf("%s: block in DB has hash %s, want %s", test.name, stored.Hash(), test.wantHash)
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| 			}
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| 		}
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| 	}
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| }
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| 
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| // TestGenesisHashes checks the congruity of default genesis data to
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| // corresponding hardcoded genesis hash values.
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| func TestGenesisHashes(t *testing.T) {
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| 	for i, c := range []struct {
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| 		genesis *Genesis
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| 		want    common.Hash
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| 	}{
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| 		{DefaultGenesisBlock(), params.MainnetGenesisHash},
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| 		{DefaultGoerliGenesisBlock(), params.GoerliGenesisHash},
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| 		{DefaultRinkebyGenesisBlock(), params.RinkebyGenesisHash},
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| 		{DefaultSepoliaGenesisBlock(), params.SepoliaGenesisHash},
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| 	} {
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| 		// Test via MustCommit
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| 		if have := c.genesis.MustCommit(rawdb.NewMemoryDatabase()).Hash(); have != c.want {
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| 			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
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| 		}
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| 		// Test via ToBlock
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| 		if have := c.genesis.ToBlock().Hash(); have != c.want {
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| 			t.Errorf("case: %d a), want: %s, got: %s", i, c.want.Hex(), have.Hex())
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| 		}
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| 	}
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| }
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| 
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| func TestGenesis_Commit(t *testing.T) {
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| 	genesis := &Genesis{
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| 		BaseFee: big.NewInt(params.InitialBaseFee),
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| 		Config:  params.TestChainConfig,
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| 		// difficulty is nil
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| 	}
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| 
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| 	db := rawdb.NewMemoryDatabase()
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| 	genesisBlock := genesis.MustCommit(db)
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| 
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| 	if genesis.Difficulty != nil {
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| 		t.Fatalf("assumption wrong")
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| 	}
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| 
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| 	// This value should have been set as default in the ToBlock method.
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| 	if genesisBlock.Difficulty().Cmp(params.GenesisDifficulty) != 0 {
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| 		t.Errorf("assumption wrong: want: %d, got: %v", params.GenesisDifficulty, genesisBlock.Difficulty())
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| 	}
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| 
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| 	// Expect the stored total difficulty to be the difficulty of the genesis block.
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| 	stored := rawdb.ReadTd(db, genesisBlock.Hash(), genesisBlock.NumberU64())
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| 
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| 	if stored.Cmp(genesisBlock.Difficulty()) != 0 {
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| 		t.Errorf("inequal difficulty; stored: %v, genesisBlock: %v", stored, genesisBlock.Difficulty())
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| 	}
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| }
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| 
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| func TestReadWriteGenesisAlloc(t *testing.T) {
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| 	var (
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| 		db    = rawdb.NewMemoryDatabase()
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| 		alloc = &GenesisAlloc{
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| 			{1}: {Balance: big.NewInt(1), Storage: map[common.Hash]common.Hash{{1}: {1}}},
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| 			{2}: {Balance: big.NewInt(2), Storage: map[common.Hash]common.Hash{{2}: {2}}},
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| 		}
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| 		hash, _ = alloc.deriveHash()
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| 	)
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| 	blob, _ := json.Marshal(alloc)
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| 	rawdb.WriteGenesisStateSpec(db, hash, blob)
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| 
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| 	var reload GenesisAlloc
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| 	err := reload.UnmarshalJSON(rawdb.ReadGenesisStateSpec(db, hash))
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| 	if err != nil {
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| 		t.Fatalf("Failed to load genesis state %v", err)
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| 	}
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| 	if len(reload) != len(*alloc) {
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| 		t.Fatal("Unexpected genesis allocation")
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| 	}
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| 	for addr, account := range reload {
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| 		want, ok := (*alloc)[addr]
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| 		if !ok {
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| 			t.Fatal("Account is not found")
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| 		}
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| 		if !reflect.DeepEqual(want, account) {
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| 			t.Fatal("Unexpected account")
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| 		}
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| 	}
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| }
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