dde2da0efb
* all: remove ethash pow, only retain shims needed for consensus and tests * all: thank you linter * all: disallow launching Geth in legacy PoW mode * cmd/env/internal/t8ntool: remove dangling ethash flag
381 lines
13 KiB
Go
381 lines
13 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package core
|
|
|
|
import (
|
|
"math/big"
|
|
"runtime"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/consensus"
|
|
"github.com/ethereum/go-ethereum/consensus/beacon"
|
|
"github.com/ethereum/go-ethereum/consensus/clique"
|
|
"github.com/ethereum/go-ethereum/consensus/ethash"
|
|
"github.com/ethereum/go-ethereum/core/rawdb"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
)
|
|
|
|
// Tests that simple header verification works, for both good and bad blocks.
|
|
func TestHeaderVerification(t *testing.T) {
|
|
// Create a simple chain to verify
|
|
var (
|
|
gspec = &Genesis{Config: params.TestChainConfig}
|
|
_, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 8, nil)
|
|
)
|
|
headers := make([]*types.Header, len(blocks))
|
|
for i, block := range blocks {
|
|
headers[i] = block.Header()
|
|
}
|
|
// Run the header checker for blocks one-by-one, checking for both valid and invalid nonces
|
|
chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
|
|
defer chain.Stop()
|
|
|
|
for i := 0; i < len(blocks); i++ {
|
|
for j, valid := range []bool{true, false} {
|
|
var results <-chan error
|
|
|
|
if valid {
|
|
engine := ethash.NewFaker()
|
|
_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]})
|
|
} else {
|
|
engine := ethash.NewFakeFailer(headers[i].Number.Uint64())
|
|
_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]})
|
|
}
|
|
// Wait for the verification result
|
|
select {
|
|
case result := <-results:
|
|
if (result == nil) != valid {
|
|
t.Errorf("test %d.%d: validity mismatch: have %v, want %v", i, j, result, valid)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("test %d.%d: verification timeout", i, j)
|
|
}
|
|
// Make sure no more data is returned
|
|
select {
|
|
case result := <-results:
|
|
t.Fatalf("test %d.%d: unexpected result returned: %v", i, j, result)
|
|
case <-time.After(25 * time.Millisecond):
|
|
}
|
|
}
|
|
chain.InsertChain(blocks[i : i+1])
|
|
}
|
|
}
|
|
|
|
func TestHeaderVerificationForMergingClique(t *testing.T) { testHeaderVerificationForMerging(t, true) }
|
|
func TestHeaderVerificationForMergingEthash(t *testing.T) { testHeaderVerificationForMerging(t, false) }
|
|
|
|
// Tests the verification for eth1/2 merging, including pre-merge and post-merge
|
|
func testHeaderVerificationForMerging(t *testing.T, isClique bool) {
|
|
var (
|
|
gspec *Genesis
|
|
preBlocks []*types.Block
|
|
postBlocks []*types.Block
|
|
engine consensus.Engine
|
|
merger = consensus.NewMerger(rawdb.NewMemoryDatabase())
|
|
)
|
|
if isClique {
|
|
var (
|
|
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
|
|
addr = crypto.PubkeyToAddress(key.PublicKey)
|
|
config = *params.AllCliqueProtocolChanges
|
|
)
|
|
engine = beacon.New(clique.New(params.AllCliqueProtocolChanges.Clique, rawdb.NewMemoryDatabase()))
|
|
gspec = &Genesis{
|
|
Config: &config,
|
|
ExtraData: make([]byte, 32+common.AddressLength+crypto.SignatureLength),
|
|
Alloc: map[common.Address]GenesisAccount{
|
|
addr: {Balance: big.NewInt(1)},
|
|
},
|
|
BaseFee: big.NewInt(params.InitialBaseFee),
|
|
Difficulty: new(big.Int),
|
|
}
|
|
copy(gspec.ExtraData[32:], addr[:])
|
|
|
|
td := 0
|
|
genDb, blocks, _ := GenerateChainWithGenesis(gspec, engine, 8, nil)
|
|
for i, block := range blocks {
|
|
header := block.Header()
|
|
if i > 0 {
|
|
header.ParentHash = blocks[i-1].Hash()
|
|
}
|
|
header.Extra = make([]byte, 32+crypto.SignatureLength)
|
|
header.Difficulty = big.NewInt(2)
|
|
|
|
sig, _ := crypto.Sign(engine.SealHash(header).Bytes(), key)
|
|
copy(header.Extra[len(header.Extra)-crypto.SignatureLength:], sig)
|
|
blocks[i] = block.WithSeal(header)
|
|
|
|
// calculate td
|
|
td += int(block.Difficulty().Uint64())
|
|
}
|
|
preBlocks = blocks
|
|
gspec.Config.TerminalTotalDifficulty = big.NewInt(int64(td))
|
|
postBlocks, _ = GenerateChain(gspec.Config, preBlocks[len(preBlocks)-1], engine, genDb, 8, nil)
|
|
} else {
|
|
config := *params.TestChainConfig
|
|
gspec = &Genesis{Config: &config}
|
|
engine = beacon.New(ethash.NewFaker())
|
|
td := int(params.GenesisDifficulty.Uint64())
|
|
genDb, blocks, _ := GenerateChainWithGenesis(gspec, engine, 8, nil)
|
|
for _, block := range blocks {
|
|
// calculate td
|
|
td += int(block.Difficulty().Uint64())
|
|
}
|
|
preBlocks = blocks
|
|
gspec.Config.TerminalTotalDifficulty = big.NewInt(int64(td))
|
|
t.Logf("Set ttd to %v\n", gspec.Config.TerminalTotalDifficulty)
|
|
postBlocks, _ = GenerateChain(gspec.Config, preBlocks[len(preBlocks)-1], engine, genDb, 8, func(i int, gen *BlockGen) {
|
|
gen.SetPoS()
|
|
})
|
|
}
|
|
// Assemble header batch
|
|
preHeaders := make([]*types.Header, len(preBlocks))
|
|
for i, block := range preBlocks {
|
|
preHeaders[i] = block.Header()
|
|
t.Logf("Pre-merge header: %d", block.NumberU64())
|
|
}
|
|
postHeaders := make([]*types.Header, len(postBlocks))
|
|
for i, block := range postBlocks {
|
|
postHeaders[i] = block.Header()
|
|
t.Logf("Post-merge header: %d", block.NumberU64())
|
|
}
|
|
// Run the header checker for blocks one-by-one, checking for both valid and invalid nonces
|
|
chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, engine, vm.Config{}, nil, nil)
|
|
defer chain.Stop()
|
|
|
|
// Verify the blocks before the merging
|
|
for i := 0; i < len(preBlocks); i++ {
|
|
_, results := engine.VerifyHeaders(chain, []*types.Header{preHeaders[i]})
|
|
// Wait for the verification result
|
|
select {
|
|
case result := <-results:
|
|
if result != nil {
|
|
t.Errorf("pre-block %d: verification failed %v", i, result)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("pre-block %d: verification timeout", i)
|
|
}
|
|
// Make sure no more data is returned
|
|
select {
|
|
case result := <-results:
|
|
t.Fatalf("pre-block %d: unexpected result returned: %v", i, result)
|
|
case <-time.After(25 * time.Millisecond):
|
|
}
|
|
chain.InsertChain(preBlocks[i : i+1])
|
|
}
|
|
|
|
// Make the transition
|
|
merger.ReachTTD()
|
|
merger.FinalizePoS()
|
|
|
|
// Verify the blocks after the merging
|
|
for i := 0; i < len(postBlocks); i++ {
|
|
_, results := engine.VerifyHeaders(chain, []*types.Header{postHeaders[i]})
|
|
// Wait for the verification result
|
|
select {
|
|
case result := <-results:
|
|
if result != nil {
|
|
t.Errorf("post-block %d: verification failed %v", i, result)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("test %d: verification timeout", i)
|
|
}
|
|
// Make sure no more data is returned
|
|
select {
|
|
case result := <-results:
|
|
t.Fatalf("post-block %d: unexpected result returned: %v", i, result)
|
|
case <-time.After(25 * time.Millisecond):
|
|
}
|
|
chain.InsertBlockWithoutSetHead(postBlocks[i])
|
|
}
|
|
|
|
// Verify the blocks with pre-merge blocks and post-merge blocks
|
|
var headers []*types.Header
|
|
for _, block := range preBlocks {
|
|
headers = append(headers, block.Header())
|
|
}
|
|
for _, block := range postBlocks {
|
|
headers = append(headers, block.Header())
|
|
}
|
|
_, results := engine.VerifyHeaders(chain, headers)
|
|
for i := 0; i < len(headers); i++ {
|
|
select {
|
|
case result := <-results:
|
|
if result != nil {
|
|
t.Errorf("test %d: verification failed %v", i, result)
|
|
}
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("test %d: verification timeout", i)
|
|
}
|
|
}
|
|
// Make sure no more data is returned
|
|
select {
|
|
case result := <-results:
|
|
t.Fatalf("unexpected result returned: %v", result)
|
|
case <-time.After(25 * time.Millisecond):
|
|
}
|
|
}
|
|
|
|
// Tests that concurrent header verification works, for both good and bad blocks.
|
|
func TestHeaderConcurrentVerification2(t *testing.T) { testHeaderConcurrentVerification(t, 2) }
|
|
func TestHeaderConcurrentVerification8(t *testing.T) { testHeaderConcurrentVerification(t, 8) }
|
|
func TestHeaderConcurrentVerification32(t *testing.T) { testHeaderConcurrentVerification(t, 32) }
|
|
|
|
func testHeaderConcurrentVerification(t *testing.T, threads int) {
|
|
// Create a simple chain to verify
|
|
var (
|
|
gspec = &Genesis{Config: params.TestChainConfig}
|
|
_, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 8, nil)
|
|
)
|
|
headers := make([]*types.Header, len(blocks))
|
|
for i, block := range blocks {
|
|
headers[i] = block.Header()
|
|
}
|
|
// Set the number of threads to verify on
|
|
old := runtime.GOMAXPROCS(threads)
|
|
defer runtime.GOMAXPROCS(old)
|
|
|
|
// Run the header checker for the entire block chain at once both for a valid and
|
|
// also an invalid chain (enough if one arbitrary block is invalid).
|
|
for i, valid := range []bool{true, false} {
|
|
var results <-chan error
|
|
|
|
if valid {
|
|
chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
|
|
_, results = chain.engine.VerifyHeaders(chain, headers)
|
|
chain.Stop()
|
|
} else {
|
|
chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeFailer(uint64(len(headers)-1)), vm.Config{}, nil, nil)
|
|
_, results = chain.engine.VerifyHeaders(chain, headers)
|
|
chain.Stop()
|
|
}
|
|
// Wait for all the verification results
|
|
checks := make(map[int]error)
|
|
for j := 0; j < len(blocks); j++ {
|
|
select {
|
|
case result := <-results:
|
|
checks[j] = result
|
|
|
|
case <-time.After(time.Second):
|
|
t.Fatalf("test %d.%d: verification timeout", i, j)
|
|
}
|
|
}
|
|
// Check nonce check validity
|
|
for j := 0; j < len(blocks); j++ {
|
|
want := valid || (j < len(blocks)-2) // We chose the last-but-one nonce in the chain to fail
|
|
if (checks[j] == nil) != want {
|
|
t.Errorf("test %d.%d: validity mismatch: have %v, want %v", i, j, checks[j], want)
|
|
}
|
|
if !want {
|
|
// A few blocks after the first error may pass verification due to concurrent
|
|
// workers. We don't care about those in this test, just that the correct block
|
|
// errors out.
|
|
break
|
|
}
|
|
}
|
|
// Make sure no more data is returned
|
|
select {
|
|
case result := <-results:
|
|
t.Fatalf("test %d: unexpected result returned: %v", i, result)
|
|
case <-time.After(25 * time.Millisecond):
|
|
}
|
|
}
|
|
}
|
|
|
|
// Tests that aborting a header validation indeed prevents further checks from being
|
|
// run, as well as checks that no left-over goroutines are leaked.
|
|
func TestHeaderConcurrentAbortion2(t *testing.T) { testHeaderConcurrentAbortion(t, 2) }
|
|
func TestHeaderConcurrentAbortion8(t *testing.T) { testHeaderConcurrentAbortion(t, 8) }
|
|
func TestHeaderConcurrentAbortion32(t *testing.T) { testHeaderConcurrentAbortion(t, 32) }
|
|
|
|
func testHeaderConcurrentAbortion(t *testing.T, threads int) {
|
|
// Create a simple chain to verify
|
|
var (
|
|
gspec = &Genesis{Config: params.TestChainConfig}
|
|
_, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 1024, nil)
|
|
)
|
|
headers := make([]*types.Header, len(blocks))
|
|
for i, block := range blocks {
|
|
headers[i] = block.Header()
|
|
}
|
|
// Set the number of threads to verify on
|
|
old := runtime.GOMAXPROCS(threads)
|
|
defer runtime.GOMAXPROCS(old)
|
|
|
|
// Start the verifications and immediately abort
|
|
chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeDelayer(time.Millisecond), vm.Config{}, nil, nil)
|
|
defer chain.Stop()
|
|
|
|
abort, results := chain.engine.VerifyHeaders(chain, headers)
|
|
close(abort)
|
|
|
|
// Deplete the results channel
|
|
verified := 0
|
|
for depleted := false; !depleted; {
|
|
select {
|
|
case result := <-results:
|
|
if result != nil {
|
|
t.Errorf("header %d: validation failed: %v", verified, result)
|
|
}
|
|
verified++
|
|
case <-time.After(50 * time.Millisecond):
|
|
depleted = true
|
|
}
|
|
}
|
|
// Check that abortion was honored by not processing too many POWs
|
|
if verified > 2*threads {
|
|
t.Errorf("verification count too large: have %d, want below %d", verified, 2*threads)
|
|
}
|
|
}
|
|
|
|
func TestCalcGasLimit(t *testing.T) {
|
|
for i, tc := range []struct {
|
|
pGasLimit uint64
|
|
max uint64
|
|
min uint64
|
|
}{
|
|
{20000000, 20019530, 19980470},
|
|
{40000000, 40039061, 39960939},
|
|
} {
|
|
// Increase
|
|
if have, want := CalcGasLimit(tc.pGasLimit, 2*tc.pGasLimit), tc.max; have != want {
|
|
t.Errorf("test %d: have %d want <%d", i, have, want)
|
|
}
|
|
// Decrease
|
|
if have, want := CalcGasLimit(tc.pGasLimit, 0), tc.min; have != want {
|
|
t.Errorf("test %d: have %d want >%d", i, have, want)
|
|
}
|
|
// Small decrease
|
|
if have, want := CalcGasLimit(tc.pGasLimit, tc.pGasLimit-1), tc.pGasLimit-1; have != want {
|
|
t.Errorf("test %d: have %d want %d", i, have, want)
|
|
}
|
|
// Small increase
|
|
if have, want := CalcGasLimit(tc.pGasLimit, tc.pGasLimit+1), tc.pGasLimit+1; have != want {
|
|
t.Errorf("test %d: have %d want %d", i, have, want)
|
|
}
|
|
// No change
|
|
if have, want := CalcGasLimit(tc.pGasLimit, tc.pGasLimit), tc.pGasLimit; have != want {
|
|
t.Errorf("test %d: have %d want %d", i, have, want)
|
|
}
|
|
}
|
|
}
|