303 lines
11 KiB
Go
303 lines
11 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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package core
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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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"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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"github.com/ethereum/go-ethereum/trie/triedb/pathdb"
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)
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func TestSetupGenesis(t *testing.T) {
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testSetupGenesis(t, rawdb.HashScheme)
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testSetupGenesis(t, rawdb.PathScheme)
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}
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func testSetupGenesis(t *testing.T, scheme string) {
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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, newDbConfig(scheme)), 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, newDbConfig(scheme)), nil)
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},
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wantHash: params.BSCGenesisHash,
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wantConfig: params.BSCChainConfig,
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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, trie.NewDatabase(db, newDbConfig(scheme)))
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return SetupGenesisBlock(db, trie.NewDatabase(db, newDbConfig(scheme)), 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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tdb := trie.NewDatabase(db, newDbConfig(scheme))
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customg.Commit(db, tdb)
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return SetupGenesisBlock(db, tdb, 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: "compatible config in DB",
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fn: func(db ethdb.Database) (*params.ChainConfig, common.Hash, error) {
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tdb := trie.NewDatabase(db, newDbConfig(scheme))
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oldcustomg.Commit(db, tdb)
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return SetupGenesisBlock(db, tdb, &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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tdb := trie.NewDatabase(db, newDbConfig(scheme))
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oldcustomg.Commit(db, tdb)
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bc, _ := NewBlockChain(db, DefaultCacheConfigWithScheme(scheme), &oldcustomg, nil, ethash.NewFullFaker(), vm.Config{}, nil, nil)
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defer bc.Stop()
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_, blocks, _ := GenerateChainWithGenesis(&oldcustomg, ethash.NewFaker(), 4, nil)
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bc.InsertChain(blocks)
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// This should return a compatibility error.
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return SetupGenesisBlock(db, tdb, &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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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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// 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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} {
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// Test via MustCommit
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db := rawdb.NewMemoryDatabase()
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if have := c.genesis.MustCommit(db, trie.NewDatabase(db, trie.HashDefaults)).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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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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db := rawdb.NewMemoryDatabase()
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genesisBlock := genesis.MustCommit(db, trie.NewDatabase(db, trie.HashDefaults))
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if genesis.Difficulty != nil {
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t.Fatalf("assumption wrong")
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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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// 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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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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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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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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func TestConfigOrDefault(t *testing.T) {
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defaultGenesis := DefaultGenesisBlock()
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if defaultGenesis.Config.PlanckBlock != nil {
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t.Errorf("initial config should have PlanckBlock = nil, but instead PlanckBlock = %v", defaultGenesis.Config.PlanckBlock)
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}
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gHash := params.BSCGenesisHash
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config := defaultGenesis.configOrDefault(gHash)
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if config.ChainID.Cmp(params.MainnetChainConfig.ChainID) != 0 {
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t.Errorf("ChainID of resulting config should be %v, but is %v instead", params.BSCChainConfig.ChainID, config.ChainID)
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}
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if config.HomesteadBlock.Cmp(params.MainnetChainConfig.HomesteadBlock) != 0 {
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t.Errorf("resulting config should have HomesteadBlock = %v, but instead is %v", params.MainnetChainConfig, config.HomesteadBlock)
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}
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if config.PlanckBlock == nil {
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t.Errorf("resulting config should have PlanckBlock = %v , but instead is nil", params.BSCChainConfig.PlanckBlock)
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}
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if config.PlanckBlock.Cmp(params.BSCChainConfig.PlanckBlock) != 0 {
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t.Errorf("resulting config should have PlanckBlock = %v , but instead is %v", params.BSCChainConfig.PlanckBlock, config.PlanckBlock)
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}
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}
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func TestSetDefaultHardforkValues(t *testing.T) {
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genesis := &Genesis{Config: ¶ms.ChainConfig{ChainID: big.NewInt(66), HomesteadBlock: big.NewInt(11)}}
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genesis.setDefaultHardforkValues(params.BSCChainConfig)
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// Make sure the non-nil block was not modified
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if genesis.Config.HomesteadBlock.Cmp(big.NewInt(11)) != 0 {
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t.Errorf("Homestead block should not have been modified. HomesteadBlock = %v", genesis.Config.HomesteadBlock)
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}
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// Spot check a few blocks
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if genesis.Config.NielsBlock.Cmp(params.BSCChainConfig.NielsBlock) != 0 {
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t.Errorf("Niels block not matching: in genesis = %v , in defaultConfig = %v", genesis.Config.NielsBlock, params.BSCChainConfig.NielsBlock)
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}
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if genesis.Config.NanoBlock.Cmp(params.BSCChainConfig.NanoBlock) != 0 {
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t.Errorf("Nano block not matching: in genesis = %v , in defaultConfig = %v", genesis.Config.NanoBlock, params.BSCChainConfig.NanoBlock)
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}
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if genesis.Config.PlanckBlock.Cmp(params.BSCChainConfig.PlanckBlock) != 0 {
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t.Errorf("Nano block not matching: in genesis = %v , in defaultConfig = %v", genesis.Config.PlanckBlock, params.BSCChainConfig.PlanckBlock)
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}
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// Spot check a few times
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if *genesis.Config.ShanghaiTime != *params.BSCChainConfig.ShanghaiTime {
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t.Errorf("Shanghai Time not matching: in genesis = %d , in defaultConfig = %d", *genesis.Config.ShanghaiTime, *params.BSCChainConfig.ShanghaiTime)
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}
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if *genesis.Config.KeplerTime != *params.BSCChainConfig.KeplerTime {
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t.Errorf("Kepler Time not matching: in genesis = %d , in defaultConfig = %d", *genesis.Config.KeplerTime, *params.BSCChainConfig.KeplerTime)
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}
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// Lastly make sure non-block fields such as ChainID have not been modified
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if genesis.Config.ChainID.Cmp(big.NewInt(66)) != 0 {
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t.Errorf("ChainID should not have been modified. ChainID = %v", genesis.Config.ChainID)
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}
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}
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func newDbConfig(scheme string) *trie.Config {
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if scheme == rawdb.HashScheme {
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return trie.HashDefaults
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}
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return &trie.Config{PathDB: pathdb.Defaults}
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}
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