212 lines
7.0 KiB
Go
212 lines
7.0 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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"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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)
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func TestDefaultGenesisBlock(t *testing.T) {
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block := DefaultGenesisBlock().ToBlock(nil)
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if block.Hash() != params.MainnetGenesisHash {
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t.Errorf("wrong mainnet genesis hash, got %v, want %v", block.Hash(), params.MainnetGenesisHash)
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}
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block = DefaultRopstenGenesisBlock().ToBlock(nil)
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if block.Hash() != params.RopstenGenesisHash {
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t.Errorf("wrong ropsten genesis hash, got %v, want %v", block.Hash(), params.RopstenGenesisHash)
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}
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block = DefaultRinkebyGenesisBlock().ToBlock(nil)
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if block.Hash() != params.RinkebyGenesisHash {
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t.Errorf("wrong rinkeby genesis hash, got %v, want %v", block.Hash(), params.RinkebyGenesisHash)
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}
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block = DefaultGoerliGenesisBlock().ToBlock(nil)
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if block.Hash() != params.GoerliGenesisHash {
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t.Errorf("wrong goerli genesis hash, got %v, want %v", block.Hash(), params.GoerliGenesisHash)
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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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if _, err := block.Commit(nil); 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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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, 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, 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, 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, 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 == ropsten",
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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, DefaultRopstenGenesisBlock())
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},
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wantErr: &GenesisMismatchError{Stored: customghash, New: params.RopstenGenesisHash},
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wantHash: params.RopstenGenesisHash,
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wantConfig: params.RopstenChainConfig,
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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, &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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bc, _ := NewBlockChain(db, nil, oldcustomg.Config, ethash.NewFullFaker(), vm.Config{}, nil, nil)
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defer bc.Stop()
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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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bc.CurrentBlock()
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// This should return a compatibility error.
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return SetupGenesisBlock(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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StoredConfig: big.NewInt(2),
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NewConfig: big.NewInt(3),
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RewindTo: 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 corresponding hardcoded genesis hash values.
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func TestGenesisHashes(t *testing.T) {
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cases := []struct {
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genesis *Genesis
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hash common.Hash
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}{
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{
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genesis: DefaultGenesisBlock(),
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hash: params.MainnetGenesisHash,
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},
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{
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genesis: DefaultGoerliGenesisBlock(),
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hash: params.GoerliGenesisHash,
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},
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{
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genesis: DefaultRopstenGenesisBlock(),
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hash: params.RopstenGenesisHash,
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},
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{
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genesis: DefaultRinkebyGenesisBlock(),
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hash: params.RinkebyGenesisHash,
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},
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}
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for i, c := range cases {
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b := c.genesis.MustCommit(rawdb.NewMemoryDatabase())
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if got := b.Hash(); got != c.hash {
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t.Errorf("case: %d, want: %s, got: %s", i, c.hash.Hex(), got.Hex())
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}
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}
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}
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