307 lines
12 KiB
Go
307 lines
12 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"io/ioutil"
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"math/big"
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"os"
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"path/filepath"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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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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var daoNoForkGenesis = `{
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"alloc" : {},
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"coinbase" : "0x0000000000000000000000000000000000000000",
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"difficulty" : "0x20000",
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"extraData" : "",
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"gasLimit" : "0x2fefd8",
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"nonce" : "0x0000000000000042",
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"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"timestamp" : "0x00"
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}`
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var daoNoForkGenesisHash = common.HexToHash("5e1fc79cb4ffa4739177b5408045cd5d51c6cf766133f23f7cd72ee1f8d790e0")
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var daoProForkGenesis = `{
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"alloc" : {},
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"coinbase" : "0x0000000000000000000000000000000000000000",
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"difficulty" : "0x20000",
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"extraData" : "",
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"gasLimit" : "0x2fefd8",
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"nonce" : "0x0000000000000043",
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"mixhash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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"timestamp" : "0x00",
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"config" : {
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"daoForkBlock": 314
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}
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}`
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var daoProForkGenesisHash = common.HexToHash("c80f3c1c3d81ae6d8ea59edf35d3e4b723e4c8684ec71fdb6d4715e3f8add237")
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var daoProForkBlock = big.NewInt(314)
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// Tests that creating a new node to with or without the DAO fork flag will correctly
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// set the genesis block but with DAO support explicitly set or unset in the chain
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// config in the database.
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func TestDAOSupportMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", true, params.MainNetDAOForkBlock)
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}
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func TestDAOSupportTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", true, params.TestNetDAOForkBlock)
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}
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func TestDAOSupportPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoProForkGenesis, false, daoProForkBlock)
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}
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func TestDAONoSupportMainnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, "", false, nil)
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}
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func TestDAONoSupportTestnet(t *testing.T) {
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testDAOForkBlockNewChain(t, true, "", false, nil)
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}
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func TestDAONoSupportPrivnet(t *testing.T) {
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testDAOForkBlockNewChain(t, false, daoNoForkGenesis, false, nil)
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}
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func testDAOForkBlockNewChain(t *testing.T, testnet bool, genesis string, fork bool, expect *big.Int) {
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// Create a temporary data directory to use and inspect later
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datadir := tmpdir(t)
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defer os.RemoveAll(datadir)
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// Start a Geth instance with the requested flags set and immediately terminate
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if genesis != "" {
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json := filepath.Join(datadir, "genesis.json")
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if err := ioutil.WriteFile(json, []byte(genesis), 0600); err != nil {
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t.Fatalf("failed to write genesis file: %v", err)
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}
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runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
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}
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execDAOGeth(t, datadir, testnet, fork, false)
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// Retrieve the DAO config flag from the database
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path := filepath.Join(datadir, "chaindata")
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if testnet {
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path = filepath.Join(datadir, "testnet", "chaindata")
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}
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db, err := ethdb.NewLDBDatabase(path, 0, 0)
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if err != nil {
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t.Fatalf("failed to open test database: %v", err)
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}
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defer db.Close()
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genesisHash := common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
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if testnet {
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genesisHash = common.HexToHash("0x0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303")
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} else if genesis == daoNoForkGenesis {
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genesisHash = daoNoForkGenesisHash
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} else if genesis == daoProForkGenesis {
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genesisHash = daoProForkGenesisHash
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}
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config, err := core.GetChainConfig(db, genesisHash)
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if err != nil {
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t.Fatalf("failed to retrieve chain config: %v", err)
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}
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// Validate the DAO hard-fork block number against the expected value
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if config.DAOForkBlock == nil {
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if expect != nil {
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t.Fatalf("dao hard-fork block mismatch: have nil, want %v", expect)
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}
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} else if config.DAOForkBlock.Cmp(expect) != 0 {
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t.Fatalf("dao hard-fork block mismatch: have %v, want %v", config.DAOForkBlock, expect)
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}
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}
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// Tests that starting up an already existing node with various DAO fork override
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// flags correctly changes the chain configs in the database.
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func TestDAODefaultMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, false, false, nil)
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}
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func TestDAOStartSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, false, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOSwitchSupportMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeMainnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, "", true, false, false, true, nil)
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}
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func TestDAODefaultTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, false, false, nil)
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}
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func TestDAOStartSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, true, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, true, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, false, false, false, params.TestNetDAOForkBlock)
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}
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func TestDAOSwitchSupportTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, true, true, false, params.TestNetDAOForkBlock)
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}
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func TestDAOStartOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeTestnet(t *testing.T) {
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testDAOForkBlockOldChain(t, true, "", true, false, false, true, nil)
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}
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func TestDAODefaultPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, false, false, nil)
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}
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func TestDAOStartSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueExplicitSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, true, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOContinueImplicitSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, false, false, false, params.MainNetDAOForkBlock)
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}
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func TestDAOSwitchSupportConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeConPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoNoForkGenesis, true, false, false, true, nil)
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}
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func TestDAODefaultProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, false, false, daoProForkBlock)
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}
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func TestDAOStartSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, true, false, false, daoProForkBlock)
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}
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func TestDAOContinueExplicitSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, true, false, false, daoProForkBlock)
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}
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func TestDAOContinueImplicitSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, false, false, false, daoProForkBlock)
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}
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func TestDAOSwitchSupportProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, true, true, false, params.MainNetDAOForkBlock)
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}
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func TestDAOStartOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, false, true, nil)
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}
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func TestDAOContinueExplicitOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, true, true, nil)
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}
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func TestDAOContinueImplicitOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, false, false, true, false, nil)
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}
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func TestDAOSwitchOpposeProPrivnet(t *testing.T) {
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testDAOForkBlockOldChain(t, false, daoProForkGenesis, true, false, false, true, nil)
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}
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func testDAOForkBlockOldChain(t *testing.T, testnet bool, genesis string, oldSupport, newSupport, oldOppose, newOppose bool, expect *big.Int) {
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// Create a temporary data directory to use and inspect later
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datadir := tmpdir(t)
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defer os.RemoveAll(datadir)
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// Cycle two Geth instances, possibly changing fork support in between
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if genesis != "" {
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json := filepath.Join(datadir, "genesis.json")
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if err := ioutil.WriteFile(json, []byte(genesis), 0600); err != nil {
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t.Fatalf("failed to write genesis file: %v", err)
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}
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runGeth(t, "--datadir", datadir, "init", json).cmd.Wait()
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}
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execDAOGeth(t, datadir, testnet, oldSupport, oldOppose)
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execDAOGeth(t, datadir, testnet, newSupport, newOppose)
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// Retrieve the DAO config flag from the database
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path := filepath.Join(datadir, "chaindata")
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if testnet {
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path = filepath.Join(datadir, "testnet", "chaindata")
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}
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db, err := ethdb.NewLDBDatabase(path, 0, 0)
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if err != nil {
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t.Fatalf("failed to open test database: %v", err)
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}
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defer db.Close()
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genesisHash := common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
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if testnet {
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genesisHash = common.HexToHash("0x0cd786a2425d16f152c658316c423e6ce1181e15c3295826d7c9904cba9ce303")
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} else if genesis == daoNoForkGenesis {
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genesisHash = daoNoForkGenesisHash
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} else if genesis == daoProForkGenesis {
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genesisHash = daoProForkGenesisHash
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}
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config, err := core.GetChainConfig(db, genesisHash)
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if err != nil {
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t.Fatalf("failed to retrieve chain config: %v", err)
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}
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// Validate the DAO hard-fork block number against the expected value
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if config.DAOForkBlock == nil {
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if expect != nil {
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t.Fatalf("dao hard-fork block mismatch: have nil, want %v", expect)
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}
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} else if config.DAOForkBlock.Cmp(expect) != 0 {
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t.Fatalf("dao hard-fork block mismatch: have %v, want %v", config.DAOForkBlock, expect)
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}
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}
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// execDAOGeth starts a Geth instance with some DAO forks set and terminates.
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func execDAOGeth(t *testing.T, datadir string, testnet bool, supportFork bool, opposeFork bool) {
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args := []string{"--port", "0", "--maxpeers", "0", "--nodiscover", "--nat", "none", "--ipcdisable", "--datadir", datadir}
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if testnet {
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args = append(args, "--testnet")
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}
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if supportFork {
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args = append(args, "--support-dao-fork")
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}
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if opposeFork {
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args = append(args, "--oppose-dao-fork")
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}
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geth := runGeth(t, append(args, []string{"--exec", "2+2", "console"}...)...)
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geth.cmd.Wait()
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}
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