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Merge tag 'v1.10.14' into develop

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This commit is contained in:
philip-morlier
2021-12-23 10:21:12 -08:00
parent 6030087970 11a3a35097
commit 968e79b705
182 changed files with 9644 additions and 6482 deletions
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core/block_validator_test.go
+173
View File
@@ -17,14 +17,21 @@
package core
import (
"encoding/json"
"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"
)
@@ -76,6 +83,172 @@ func TestHeaderVerification(t *testing.T) {
}
}
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 (
testdb = rawdb.NewMemoryDatabase()
preBlocks []*types.Block
postBlocks []*types.Block
runEngine consensus.Engine
chainConfig *params.ChainConfig
merger = consensus.NewMerger(rawdb.NewMemoryDatabase())
)
if isClique {
var (
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
addr = crypto.PubkeyToAddress(key.PublicKey)
engine = clique.New(params.AllCliqueProtocolChanges.Clique, testdb)
)
genspec := &Genesis{
ExtraData: make([]byte, 32+common.AddressLength+crypto.SignatureLength),
Alloc: map[common.Address]GenesisAccount{
addr: {Balance: big.NewInt(1)},
},
BaseFee: big.NewInt(params.InitialBaseFee),
}
copy(genspec.ExtraData[32:], addr[:])
genesis := genspec.MustCommit(testdb)
genEngine := beacon.New(engine)
preBlocks, _ = GenerateChain(params.AllCliqueProtocolChanges, genesis, genEngine, testdb, 8, nil)
td := 0
for i, block := range preBlocks {
header := block.Header()
if i > 0 {
header.ParentHash = preBlocks[i-1].Hash()
}
header.Extra = make([]byte, 32+crypto.SignatureLength)
header.Difficulty = big.NewInt(2)
sig, _ := crypto.Sign(genEngine.SealHash(header).Bytes(), key)
copy(header.Extra[len(header.Extra)-crypto.SignatureLength:], sig)
preBlocks[i] = block.WithSeal(header)
// calculate td
td += int(block.Difficulty().Uint64())
}
config := *params.AllCliqueProtocolChanges
config.TerminalTotalDifficulty = big.NewInt(int64(td))
postBlocks, _ = GenerateChain(&config, preBlocks[len(preBlocks)-1], genEngine, testdb, 8, nil)
chainConfig = &config
runEngine = beacon.New(engine)
} else {
gspec := &Genesis{Config: params.TestChainConfig}
genesis := gspec.MustCommit(testdb)
genEngine := beacon.New(ethash.NewFaker())
preBlocks, _ = GenerateChain(params.TestChainConfig, genesis, genEngine, testdb, 8, nil)
td := 0
for _, block := range preBlocks {
// calculate td
td += int(block.Difficulty().Uint64())
}
config := *params.TestChainConfig
config.TerminalTotalDifficulty = big.NewInt(int64(td))
postBlocks, _ = GenerateChain(params.TestChainConfig, preBlocks[len(preBlocks)-1], genEngine, testdb, 8, nil)
chainConfig = &config
runEngine = beacon.New(ethash.NewFaker())
}
preHeaders := make([]*types.Header, len(preBlocks))
for i, block := range preBlocks {
preHeaders[i] = block.Header()
blob, _ := json.Marshal(block.Header())
t.Logf("Log header before the merging %d: %v", block.NumberU64(), string(blob))
}
postHeaders := make([]*types.Header, len(postBlocks))
for i, block := range postBlocks {
postHeaders[i] = block.Header()
blob, _ := json.Marshal(block.Header())
t.Logf("Log header after the merging %d: %v", block.NumberU64(), string(blob))
}
// Run the header checker for blocks one-by-one, checking for both valid and invalid nonces
chain, _ := NewBlockChain(testdb, nil, chainConfig, runEngine, vm.Config{}, nil, nil)
defer chain.Stop()
// Verify the blocks before the merging
for i := 0; i < len(preBlocks); i++ {
_, results := runEngine.VerifyHeaders(chain, []*types.Header{preHeaders[i]}, []bool{true})
// Wait for the verification result
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("test %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 := runEngine.VerifyHeaders(chain, []*types.Header{postHeaders[i]}, []bool{true})
// Wait for the verification result
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("test %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
seals []bool
)
for _, block := range preBlocks {
headers = append(headers, block.Header())
seals = append(seals, true)
}
for _, block := range postBlocks {
headers = append(headers, block.Header())
seals = append(seals, true)
}
_, results := runEngine.VerifyHeaders(chain, headers, seals)
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) }
core/blockchain.go
+289 -178
View File
@@ -22,7 +22,6 @@ import (
"fmt"
"io"
"math/big"
mrand "math/rand"
"sort"
"sync"
"sync/atomic"
@@ -208,15 +207,14 @@ type BlockChain struct {
validator Validator // Block and state validator interface
prefetcher Prefetcher
processor Processor // Block transaction processor interface
forker *ForkChoice
vmConfig vm.Config
shouldPreserve func(*types.Block) bool // Function used to determine whether should preserve the given block.
}
// NewBlockChain returns a fully initialised block chain using information
// available in the database. It initialises the default Ethereum Validator and
// Processor.
func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(block *types.Block) bool, txLookupLimit *uint64) (*BlockChain, error) {
// available in the database. It initialises the default Ethereum Validator
// and Processor.
func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(header *types.Header) bool, txLookupLimit *uint64) (*BlockChain, error) {
if cacheConfig == nil {
cacheConfig = defaultCacheConfig
}
@@ -237,18 +235,18 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
Journal: cacheConfig.TrieCleanJournal,
Preimages: cacheConfig.Preimages,
}),
quit: make(chan struct{}),
chainmu: syncx.NewClosableMutex(),
shouldPreserve: shouldPreserve,
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
receiptsCache: receiptsCache,
blockCache: blockCache,
txLookupCache: txLookupCache,
futureBlocks: futureBlocks,
engine: engine,
vmConfig: vmConfig,
quit: make(chan struct{}),
chainmu: syncx.NewClosableMutex(),
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
receiptsCache: receiptsCache,
blockCache: blockCache,
txLookupCache: txLookupCache,
futureBlocks: futureBlocks,
engine: engine,
vmConfig: vmConfig,
}
bc.forker = NewForkChoice(bc, shouldPreserve)
bc.validator = NewBlockValidator(chainConfig, bc, engine)
bc.prefetcher = newStatePrefetcher(chainConfig, bc, engine)
bc.processor = NewStateProcessor(chainConfig, bc, engine)
@@ -382,7 +380,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
// Start future block processor.
bc.wg.Add(1)
go bc.futureBlocksLoop()
go bc.updateFutureBlocks()
// Start tx indexer/unindexer.
if txLookupLimit != nil {
@@ -631,9 +629,9 @@ func (bc *BlockChain) setHeadBeyondRoot(head uint64, root common.Hash, repair bo
return rootNumber, bc.loadLastState()
}
// FastSyncCommitHead sets the current head block to the one defined by the hash
// SnapSyncCommitHead sets the current head block to the one defined by the hash
// irrelevant what the chain contents were prior.
func (bc *BlockChain) FastSyncCommitHead(hash common.Hash) error {
func (bc *BlockChain) SnapSyncCommitHead(hash common.Hash) error {
// Make sure that both the block as well at its state trie exists
block := bc.GetBlockByHash(hash)
if block == nil {
@@ -738,30 +736,24 @@ func (bc *BlockChain) ExportN(w io.Writer, first uint64, last uint64) error {
//
// Note, this function assumes that the `mu` mutex is held!
func (bc *BlockChain) writeHeadBlock(block *types.Block) {
// If the block is on a side chain or an unknown one, force other heads onto it too
updateHeads := rawdb.ReadCanonicalHash(bc.db, block.NumberU64()) != block.Hash()
// Add the block to the canonical chain number scheme and mark as the head
batch := bc.db.NewBatch()
rawdb.WriteHeadHeaderHash(batch, block.Hash())
rawdb.WriteHeadFastBlockHash(batch, block.Hash())
rawdb.WriteCanonicalHash(batch, block.Hash(), block.NumberU64())
rawdb.WriteTxLookupEntriesByBlock(batch, block)
rawdb.WriteHeadBlockHash(batch, block.Hash())
// If the block is better than our head or is on a different chain, force update heads
if updateHeads {
rawdb.WriteHeadHeaderHash(batch, block.Hash())
rawdb.WriteHeadFastBlockHash(batch, block.Hash())
}
// Flush the whole batch into the disk, exit the node if failed
if err := batch.Write(); err != nil {
log.Crit("Failed to update chain indexes and markers", "err", err)
}
// Update all in-memory chain markers in the last step
if updateHeads {
bc.hc.SetCurrentHeader(block.Header())
bc.currentFastBlock.Store(block)
headFastBlockGauge.Update(int64(block.NumberU64()))
}
bc.hc.SetCurrentHeader(block.Header())
bc.currentFastBlock.Store(block)
headFastBlockGauge.Update(int64(block.NumberU64()))
bc.currentBlock.Store(block)
headBlockGauge.Update(int64(block.NumberU64()))
}
@@ -877,12 +869,6 @@ const (
SideStatTy
)
// numberHash is just a container for a number and a hash, to represent a block
type numberHash struct {
number uint64
hash common.Hash
}
// InsertReceiptChain attempts to complete an already existing header chain with
// transaction and receipt data.
func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain []types.Receipts, ancientLimit uint64) (int, error) {
@@ -928,13 +914,17 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
// Rewind may have occurred, skip in that case.
if bc.CurrentHeader().Number.Cmp(head.Number()) >= 0 {
currentFastBlock, td := bc.CurrentFastBlock(), bc.GetTd(head.Hash(), head.NumberU64())
if bc.GetTd(currentFastBlock.Hash(), currentFastBlock.NumberU64()).Cmp(td) < 0 {
rawdb.WriteHeadFastBlockHash(bc.db, head.Hash())
bc.currentFastBlock.Store(head)
headFastBlockGauge.Update(int64(head.NumberU64()))
return true
reorg, err := bc.forker.ReorgNeeded(bc.CurrentFastBlock().Header(), head.Header())
if err != nil {
log.Warn("Reorg failed", "err", err)
return false
} else if !reorg {
return false
}
rawdb.WriteHeadFastBlockHash(bc.db, head.Hash())
bc.currentFastBlock.Store(head)
headFastBlockGauge.Update(int64(head.NumberU64()))
return true
}
return false
}
@@ -1181,30 +1171,15 @@ func (bc *BlockChain) writeKnownBlock(block *types.Block) error {
return nil
}
// WriteBlockWithState writes the block and all associated state to the database.
func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
if !bc.chainmu.TryLock() {
return NonStatTy, errInsertionInterrupted
}
defer bc.chainmu.Unlock()
return bc.writeBlockWithState(block, receipts, logs, state, emitHeadEvent)
}
// writeBlockWithState writes the block and all associated state to the database,
// but is expects the chain mutex to be held.
func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
if bc.insertStopped() {
return NonStatTy, errInsertionInterrupted
}
// writeBlockWithState writes block, metadata and corresponding state data to the
// database.
func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB) error {
// Calculate the total difficulty of the block
ptd := bc.GetTd(block.ParentHash(), block.NumberU64()-1)
if ptd == nil {
return NonStatTy, consensus.ErrUnknownAncestor
return consensus.ErrUnknownAncestor
}
// Make sure no inconsistent state is leaked during insertion
currentBlock := bc.CurrentBlock()
localTd := bc.GetTd(currentBlock.Hash(), currentBlock.NumberU64())
externTd := new(big.Int).Add(block.Difficulty(), ptd)
// Irrelevant of the canonical status, write the block itself to the database.
@@ -1222,15 +1197,13 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
// Commit all cached state changes into underlying memory database.
root, err := state.Commit(bc.chainConfig.IsEIP158(block.Number()))
if err != nil {
return NonStatTy, err
return err
}
triedb := bc.stateCache.TrieDB()
// If we're running an archive node, always flush
if bc.cacheConfig.TrieDirtyDisabled {
if err := triedb.Commit(root, false, nil); err != nil {
return NonStatTy, err
}
return triedb.Commit(root, false, nil)
} else {
// Full but not archive node, do proper garbage collection
triedb.Reference(root, common.Hash{}) // metadata reference to keep trie alive
@@ -1278,23 +1251,30 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
}
}
}
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
reorg := externTd.Cmp(localTd) > 0
currentBlock = bc.CurrentBlock()
if !reorg && externTd.Cmp(localTd) == 0 {
// Split same-difficulty blocks by number, then preferentially select
// the block generated by the local miner as the canonical block.
if block.NumberU64() < currentBlock.NumberU64() {
reorg = true
} else if block.NumberU64() == currentBlock.NumberU64() {
var currentPreserve, blockPreserve bool
if bc.shouldPreserve != nil {
currentPreserve, blockPreserve = bc.shouldPreserve(currentBlock), bc.shouldPreserve(block)
}
reorg = !currentPreserve && (blockPreserve || mrand.Float64() < 0.5)
}
return nil
}
// WriteBlockWithState writes the block and all associated state to the database.
func (bc *BlockChain) WriteBlockAndSetHead(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
if !bc.chainmu.TryLock() {
return NonStatTy, errChainStopped
}
defer bc.chainmu.Unlock()
return bc.writeBlockAndSetHead(block, receipts, logs, state, emitHeadEvent)
}
// writeBlockAndSetHead writes the block and all associated state to the database,
// and also it applies the given block as the new chain head. This function expects
// the chain mutex to be held.
func (bc *BlockChain) writeBlockAndSetHead(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
if err := bc.writeBlockWithState(block, receipts, logs, state); err != nil {
return NonStatTy, err
}
currentBlock := bc.CurrentBlock()
reorg, err := bc.forker.ReorgNeeded(currentBlock.Header(), block.Header())
if err != nil {
return NonStatTy, err
}
if reorg {
// Reorganise the chain if the parent is not the head block
@@ -1321,7 +1301,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
}
// In theory we should fire a ChainHeadEvent when we inject
// a canonical block, but sometimes we can insert a batch of
// canonicial blocks. Avoid firing too much ChainHeadEvents,
// canonicial blocks. Avoid firing too many ChainHeadEvents,
// we will fire an accumulated ChainHeadEvent and disable fire
// event here.
if emitHeadEvent {
@@ -1337,11 +1317,18 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
// addFutureBlock checks if the block is within the max allowed window to get
// accepted for future processing, and returns an error if the block is too far
// ahead and was not added.
//
// TODO after the transition, the future block shouldn't be kept. Because
// it's not checked in the Geth side anymore.
func (bc *BlockChain) addFutureBlock(block *types.Block) error {
max := uint64(time.Now().Unix() + maxTimeFutureBlocks)
if block.Time() > max {
return fmt.Errorf("future block timestamp %v > allowed %v", block.Time(), max)
}
if block.Difficulty().Cmp(common.Big0) == 0 {
// Never add PoS blocks into the future queue
return nil
}
bc.futureBlocks.Add(block.Hash(), block)
return nil
}
@@ -1349,15 +1336,12 @@ func (bc *BlockChain) addFutureBlock(block *types.Block) error {
// InsertChain attempts to insert the given batch of blocks in to the canonical
// chain or, otherwise, create a fork. If an error is returned it will return
// the index number of the failing block as well an error describing what went
// wrong.
//
// After insertion is done, all accumulated events will be fired.
// wrong. After insertion is done, all accumulated events will be fired.
func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
// Sanity check that we have something meaningful to import
if len(chain) == 0 {
return 0, nil
}
bc.blockProcFeed.Send(true)
defer bc.blockProcFeed.Send(false)
@@ -1376,26 +1360,12 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
prev.Hash().Bytes()[:4], i, block.NumberU64(), block.Hash().Bytes()[:4], block.ParentHash().Bytes()[:4])
}
}
// Pre-check passed, start the full block imports.
// Pre-checks passed, start the full block imports
if !bc.chainmu.TryLock() {
return 0, errChainStopped
}
defer bc.chainmu.Unlock()
return bc.insertChain(chain, true)
}
// InsertChainWithoutSealVerification works exactly the same
// except for seal verification, seal verification is omitted
func (bc *BlockChain) InsertChainWithoutSealVerification(block *types.Block) (int, error) {
bc.blockProcFeed.Send(true)
defer bc.blockProcFeed.Send(false)
if !bc.chainmu.TryLock() {
return 0, errChainStopped
}
defer bc.chainmu.Unlock()
return bc.insertChain(types.Blocks([]*types.Block{block}), false)
return bc.insertChain(chain, true, true)
}
// insertChain is the internal implementation of InsertChain, which assumes that
@@ -1406,7 +1376,7 @@ func (bc *BlockChain) InsertChainWithoutSealVerification(block *types.Block) (in
// racey behaviour. If a sidechain import is in progress, and the historic state
// is imported, but then new canon-head is added before the actual sidechain
// completes, then the historic state could be pruned again
func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, error) {
func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool) (int, error) {
// If the chain is terminating, don't even bother starting up.
if bc.insertStopped() {
return 0, nil
@@ -1448,14 +1418,23 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, er
// from the canonical chain, which has not been verified.
// Skip all known blocks that are behind us.
var (
current = bc.CurrentBlock()
localTd = bc.GetTd(current.Hash(), current.NumberU64())
externTd = bc.GetTd(block.ParentHash(), block.NumberU64()-1) // The first block can't be nil
reorg bool
current = bc.CurrentBlock()
)
for block != nil && bc.skipBlock(err, it) {
externTd = new(big.Int).Add(externTd, block.Difficulty())
if localTd.Cmp(externTd) < 0 {
break
reorg, err = bc.forker.ReorgNeeded(current.Header(), block.Header())
if err != nil {
return it.index, err
}
if reorg {
// Switch to import mode if the forker says the reorg is necessary
// and also the block is not on the canonical chain.
// In eth2 the forker always returns true for reorg decision (blindly trusting
// the external consensus engine), but in order to prevent the unnecessary
// reorgs when importing known blocks, the special case is handled here.
if block.NumberU64() > current.NumberU64() || bc.GetCanonicalHash(block.NumberU64()) != block.Hash() {
break
}
}
log.Debug("Ignoring already known block", "number", block.Number(), "hash", block.Hash())
stats.ignored++
@@ -1482,11 +1461,17 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, er
// Falls through to the block import
}
switch {
// First block is pruned, insert as sidechain and reorg only if TD grows enough
// First block is pruned
case errors.Is(err, consensus.ErrPrunedAncestor):
log.Debug("Pruned ancestor, inserting as sidechain", "number", block.Number(), "hash", block.Hash())
return bc.insertSideChain(block, it)
if setHead {
// First block is pruned, insert as sidechain and reorg only if TD grows enough
log.Debug("Pruned ancestor, inserting as sidechain", "number", block.Number(), "hash", block.Hash())
return bc.insertSideChain(block, it)
} else {
// We're post-merge and the parent is pruned, try to recover the parent state
log.Debug("Pruned ancestor", "number", block.Number(), "hash", block.Hash())
return it.index, bc.recoverAncestors(block)
}
// First block is future, shove it (and all children) to the future queue (unknown ancestor)
case errors.Is(err, consensus.ErrFutureBlock) || (errors.Is(err, consensus.ErrUnknownAncestor) && bc.futureBlocks.Contains(it.first().ParentHash())):
for block != nil && (it.index == 0 || errors.Is(err, consensus.ErrUnknownAncestor)) {
@@ -1641,12 +1626,17 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, er
// Update the metrics touched during block validation
accountHashTimer.Update(statedb.AccountHashes) // Account hashes are complete, we can mark them
storageHashTimer.Update(statedb.StorageHashes) // Storage hashes are complete, we can mark them
blockValidationTimer.Update(time.Since(substart) - (statedb.AccountHashes + statedb.StorageHashes - triehash))
// Write the block to the chain and get the status.
substart = time.Now()
status, err := bc.writeBlockWithState(block, receipts, logs, statedb, false)
var status WriteStatus
if !setHead {
// Don't set the head, only insert the block
err = bc.writeBlockWithState(block, receipts, logs, statedb)
} else {
status, err = bc.writeBlockAndSetHead(block, receipts, logs, statedb, false)
}
atomic.StoreUint32(&followupInterrupt, 1)
if err != nil {
return it.index, err
@@ -1659,6 +1649,12 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, er
blockWriteTimer.Update(time.Since(substart) - statedb.AccountCommits - statedb.StorageCommits - statedb.SnapshotCommits)
blockInsertTimer.UpdateSince(start)
if !setHead {
// We did not setHead, so we don't have any stats to update
log.Info("Inserted block", "number", block.Number(), "hash", block.Hash(), "txs", len(block.Transactions()), "elapsed", common.PrettyDuration(time.Since(start)))
return it.index, nil
}
switch status {
case CanonStatTy:
log.Debug("Inserted new block", "number", block.Number(), "hash", block.Hash(),
@@ -1717,10 +1713,12 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, er
//
// The method writes all (header-and-body-valid) blocks to disk, then tries to
// switch over to the new chain if the TD exceeded the current chain.
// insertSideChain is only used pre-merge.
func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (int, error) {
var (
externTd *big.Int
current = bc.CurrentBlock()
externTd *big.Int
lastBlock = block
current = bc.CurrentBlock()
)
// The first sidechain block error is already verified to be ErrPrunedAncestor.
// Since we don't import them here, we expect ErrUnknownAncestor for the remaining
@@ -1771,6 +1769,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
"txs", len(block.Transactions()), "gas", block.GasUsed(), "uncles", len(block.Uncles()),
"root", block.Root())
}
lastBlock = block
}
// At this point, we've written all sidechain blocks to database. Loop ended
// either on some other error or all were processed. If there was some other
@@ -1778,8 +1777,12 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
//
// If the externTd was larger than our local TD, we now need to reimport the previous
// blocks to regenerate the required state
localTd := bc.GetTd(current.Hash(), current.NumberU64())
if localTd.Cmp(externTd) > 0 {
reorg, err := bc.forker.ReorgNeeded(current.Header(), lastBlock.Header())
if err != nil {
return it.index, err
}
if !reorg {
localTd := bc.GetTd(current.Hash(), current.NumberU64())
log.Info("Sidechain written to disk", "start", it.first().NumberU64(), "end", it.previous().Number, "sidetd", externTd, "localtd", localTd)
return it.index, err
}
@@ -1815,7 +1818,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
// memory here.
if len(blocks) >= 2048 || memory > 64*1024*1024 {
log.Info("Importing heavy sidechain segment", "blocks", len(blocks), "start", blocks[0].NumberU64(), "end", block.NumberU64())
if _, err := bc.insertChain(blocks, false); err != nil {
if _, err := bc.insertChain(blocks, false, true); err != nil {
return 0, err
}
blocks, memory = blocks[:0], 0
@@ -1829,14 +1832,98 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
}
if len(blocks) > 0 {
log.Info("Importing sidechain segment", "start", blocks[0].NumberU64(), "end", blocks[len(blocks)-1].NumberU64())
return bc.insertChain(blocks, false)
return bc.insertChain(blocks, false, true)
}
return 0, nil
}
// recoverAncestors finds the closest ancestor with available state and re-execute
// all the ancestor blocks since that.
// recoverAncestors is only used post-merge.
func (bc *BlockChain) recoverAncestors(block *types.Block) error {
// Gather all the sidechain hashes (full blocks may be memory heavy)
var (
hashes []common.Hash
numbers []uint64
parent = block
)
for parent != nil && !bc.HasState(parent.Root()) {
hashes = append(hashes, parent.Hash())
numbers = append(numbers, parent.NumberU64())
parent = bc.GetBlock(parent.ParentHash(), parent.NumberU64()-1)
// If the chain is terminating, stop iteration
if bc.insertStopped() {
log.Debug("Abort during blocks iteration")
return errInsertionInterrupted
}
}
if parent == nil {
return errors.New("missing parent")
}
// Import all the pruned blocks to make the state available
for i := len(hashes) - 1; i >= 0; i-- {
// If the chain is terminating, stop processing blocks
if bc.insertStopped() {
log.Debug("Abort during blocks processing")
return errInsertionInterrupted
}
var b *types.Block
if i == 0 {
b = block
} else {
b = bc.GetBlock(hashes[i], numbers[i])
}
if _, err := bc.insertChain(types.Blocks{b}, false, false); err != nil {
return err
}
}
return nil
}
// collectLogs collects the logs that were generated or removed during
// the processing of the block that corresponds with the given hash.
// These logs are later announced as deleted or reborn.
func (bc *BlockChain) collectLogs(hash common.Hash, removed bool) []*types.Log {
number := bc.hc.GetBlockNumber(hash)
if number == nil {
return nil
}
receipts := rawdb.ReadReceipts(bc.db, hash, *number, bc.chainConfig)
var logs []*types.Log
for _, receipt := range receipts {
for _, log := range receipt.Logs {
l := *log
if removed {
l.Removed = true
}
logs = append(logs, &l)
}
}
return logs
}
// mergeLogs returns a merged log slice with specified sort order.
func mergeLogs(logs [][]*types.Log, reverse bool) []*types.Log {
var ret []*types.Log
if reverse {
for i := len(logs) - 1; i >= 0; i-- {
ret = append(ret, logs[i]...)
}
} else {
for i := 0; i < len(logs); i++ {
ret = append(ret, logs[i]...)
}
}
return ret
}
// reorg takes two blocks, an old chain and a new chain and will reconstruct the
// blocks and inserts them to be part of the new canonical chain and accumulates
// potential missing transactions and post an event about them.
// Note the new head block won't be processed here, callers need to handle it
// externally.
func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
var (
newChain types.Blocks
@@ -1848,49 +1935,6 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
deletedLogs [][]*types.Log
rebirthLogs [][]*types.Log
// collectLogs collects the logs that were generated or removed during
// the processing of the block that corresponds with the given hash.
// These logs are later announced as deleted or reborn
collectLogs = func(hash common.Hash, removed bool) {
number := bc.hc.GetBlockNumber(hash)
if number == nil {
return
}
receipts := rawdb.ReadReceipts(bc.db, hash, *number, bc.chainConfig)
var logs []*types.Log
for _, receipt := range receipts {
for _, log := range receipt.Logs {
l := *log
if removed {
l.Removed = true
}
logs = append(logs, &l)
}
}
if len(logs) > 0 {
if removed {
deletedLogs = append(deletedLogs, logs)
} else {
rebirthLogs = append(rebirthLogs, logs)
}
}
}
// mergeLogs returns a merged log slice with specified sort order.
mergeLogs = func(logs [][]*types.Log, reverse bool) []*types.Log {
var ret []*types.Log
if reverse {
for i := len(logs) - 1; i >= 0; i-- {
ret = append(ret, logs[i]...)
}
} else {
for i := 0; i < len(logs); i++ {
ret = append(ret, logs[i]...)
}
}
return ret
}
)
// Reduce the longer chain to the same number as the shorter one
if oldBlock.NumberU64() > newBlock.NumberU64() {
@@ -1898,7 +1942,12 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
for ; oldBlock != nil && oldBlock.NumberU64() != newBlock.NumberU64(); oldBlock = bc.GetBlock(oldBlock.ParentHash(), oldBlock.NumberU64()-1) {
oldChain = append(oldChain, oldBlock)
deletedTxs = append(deletedTxs, oldBlock.Transactions()...)
collectLogs(oldBlock.Hash(), true)
// Collect deleted logs for notification
logs := bc.collectLogs(oldBlock.Hash(), true)
if len(logs) > 0 {
deletedLogs = append(deletedLogs, logs)
}
}
} else {
// New chain is longer, stash all blocks away for subsequent insertion
@@ -1923,8 +1972,12 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
// Remove an old block as well as stash away a new block
oldChain = append(oldChain, oldBlock)
deletedTxs = append(deletedTxs, oldBlock.Transactions()...)
collectLogs(oldBlock.Hash(), true)
// Collect deleted logs for notification
logs := bc.collectLogs(oldBlock.Hash(), true)
if len(logs) > 0 {
deletedLogs = append(deletedLogs, logs)
}
newChain = append(newChain, newBlock)
// Step back with both chains
@@ -1951,8 +2004,15 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
blockReorgAddMeter.Mark(int64(len(newChain)))
blockReorgDropMeter.Mark(int64(len(oldChain)))
blockReorgMeter.Mark(1)
} else if len(newChain) > 0 {
// Special case happens in the post merge stage that current head is
// the ancestor of new head while these two blocks are not consecutive
log.Info("Extend chain", "add", len(newChain), "number", newChain[0].NumberU64(), "hash", newChain[0].Hash())
blockReorgAddMeter.Mark(int64(len(newChain)))
} else {
log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash())
// len(newChain) == 0 && len(oldChain) > 0
// rewind the canonical chain to a lower point.
log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "oldblocks", len(oldChain), "newnum", newBlock.Number(), "newhash", newBlock.Hash(), "newblocks", len(newChain))
}
// Insert the new chain(except the head block(reverse order)),
// taking care of the proper incremental order.
@@ -1961,8 +2021,10 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
bc.writeHeadBlock(newChain[i])
// Collect reborn logs due to chain reorg
collectLogs(newChain[i].Hash(), false)
logs := bc.collectLogs(newChain[i].Hash(), false)
if len(logs) > 0 {
rebirthLogs = append(rebirthLogs, logs)
}
// Collect the new added transactions.
addedTxs = append(addedTxs, newChain[i].Transactions()...)
}
@@ -2002,12 +2064,54 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
return nil
}
// futureBlocksLoop processes the 'future block' queue.
func (bc *BlockChain) futureBlocksLoop() {
defer bc.wg.Done()
// InsertBlockWithoutSetHead executes the block, runs the necessary verification
// upon it and then persist the block and the associate state into the database.
// The key difference between the InsertChain is it won't do the canonical chain
// updating. It relies on the additional SetChainHead call to finalize the entire
// procedure.
func (bc *BlockChain) InsertBlockWithoutSetHead(block *types.Block) error {
if !bc.chainmu.TryLock() {
return errChainStopped
}
defer bc.chainmu.Unlock()
_, err := bc.insertChain(types.Blocks{block}, true, false)
return err
}
// SetChainHead rewinds the chain to set the new head block as the specified
// block. It's possible that after the reorg the relevant state of head
// is missing. It can be fixed by inserting a new block which triggers
// the re-execution.
func (bc *BlockChain) SetChainHead(newBlock *types.Block) error {
if !bc.chainmu.TryLock() {
return errChainStopped
}
defer bc.chainmu.Unlock()
// Run the reorg if necessary and set the given block as new head.
if newBlock.ParentHash() != bc.CurrentBlock().Hash() {
if err := bc.reorg(bc.CurrentBlock(), newBlock); err != nil {
return err
}
}
bc.writeHeadBlock(newBlock)
// Emit events
logs := bc.collectLogs(newBlock.Hash(), false)
bc.chainFeed.Send(ChainEvent{Block: newBlock, Hash: newBlock.Hash(), Logs: logs})
if len(logs) > 0 {
bc.logsFeed.Send(logs)
}
bc.chainHeadFeed.Send(ChainHeadEvent{Block: newBlock})
log.Info("Set the chain head", "number", newBlock.Number(), "hash", newBlock.Hash())
return nil
}
func (bc *BlockChain) updateFutureBlocks() {
futureTimer := time.NewTicker(5 * time.Second)
defer futureTimer.Stop()
defer bc.wg.Done()
for {
select {
case <-futureTimer.C:
@@ -2103,7 +2207,14 @@ func (bc *BlockChain) maintainTxIndex(ancients uint64) {
// If a previous indexing existed, make sure that we fill in any missing entries
if bc.txLookupLimit == 0 || head < bc.txLookupLimit {
if *tail > 0 {
rawdb.IndexTransactions(bc.db, 0, *tail, bc.quit)
// It can happen when chain is rewound to a historical point which
// is even lower than the indexes tail, recap the indexing target
// to new head to avoid reading non-existent block bodies.
end := *tail
if end > head+1 {
end = head + 1
}
rawdb.IndexTransactions(bc.db, 0, end, bc.quit)
}
return
}
@@ -2188,6 +2299,6 @@ func (bc *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (i
return 0, errChainStopped
}
defer bc.chainmu.Unlock()
_, err := bc.hc.InsertHeaderChain(chain, start)
_, err := bc.hc.InsertHeaderChain(chain, start, bc.forker)
return 0, err
}
core/blockchain_reader.go
+6
View File
@@ -73,6 +73,12 @@ func (bc *BlockChain) GetHeaderByNumber(number uint64) *types.Header {
return bc.hc.GetHeaderByNumber(number)
}
// GetHeadersFrom returns a contiguous segment of headers, in rlp-form, going
// backwards from the given number.
func (bc *BlockChain) GetHeadersFrom(number, count uint64) []rlp.RawValue {
return bc.hc.GetHeadersFrom(number, count)
}
// GetBody retrieves a block body (transactions and uncles) from the database by
// hash, caching it if found.
func (bc *BlockChain) GetBody(hash common.Hash) *types.Body {
core/blockchain_repair_test.go
+113 -113
View File
@@ -79,10 +79,10 @@ func testShortRepair(t *testing.T, snapshots bool) {
// already committed, after which the process crashed. In this case we expect the full
// chain to be rolled back to the committed block, but the chain data itself left in
// the database for replaying.
func TestShortFastSyncedRepair(t *testing.T) { testShortFastSyncedRepair(t, false) }
func TestShortFastSyncedRepairWithSnapshots(t *testing.T) { testShortFastSyncedRepair(t, true) }
func TestShortSnapSyncedRepair(t *testing.T) { testShortSnapSyncedRepair(t, false) }
func TestShortSnapSyncedRepairWithSnapshots(t *testing.T) { testShortSnapSyncedRepair(t, true) }
func testShortFastSyncedRepair(t *testing.T, snapshots bool) {
func testShortSnapSyncedRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
//
@@ -119,10 +119,10 @@ func testShortFastSyncedRepair(t *testing.T, snapshots bool) {
// not yet committed, but the process crashed. In this case we expect the chain to
// detect that it was fast syncing and not delete anything, since we can just pick
// up directly where we left off.
func TestShortFastSyncingRepair(t *testing.T) { testShortFastSyncingRepair(t, false) }
func TestShortFastSyncingRepairWithSnapshots(t *testing.T) { testShortFastSyncingRepair(t, true) }
func TestShortSnapSyncingRepair(t *testing.T) { testShortSnapSyncingRepair(t, false) }
func TestShortSnapSyncingRepairWithSnapshots(t *testing.T) { testShortSnapSyncingRepair(t, true) }
func testShortFastSyncingRepair(t *testing.T, snapshots bool) {
func testShortSnapSyncingRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
//
@@ -203,14 +203,14 @@ func testShortOldForkedRepair(t *testing.T, snapshots bool) {
// crashed. In this test scenario the side chain is below the committed block. In
// this case we expect the canonical chain to be rolled back to the committed block,
// but the chain data itself left in the database for replaying.
func TestShortOldForkedFastSyncedRepair(t *testing.T) {
testShortOldForkedFastSyncedRepair(t, false)
func TestShortOldForkedSnapSyncedRepair(t *testing.T) {
testShortOldForkedSnapSyncedRepair(t, false)
}
func TestShortOldForkedFastSyncedRepairWithSnapshots(t *testing.T) {
testShortOldForkedFastSyncedRepair(t, true)
func TestShortOldForkedSnapSyncedRepairWithSnapshots(t *testing.T) {
testShortOldForkedSnapSyncedRepair(t, true)
}
func testShortOldForkedFastSyncedRepair(t *testing.T, snapshots bool) {
func testShortOldForkedSnapSyncedRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3
@@ -250,14 +250,14 @@ func testShortOldForkedFastSyncedRepair(t *testing.T, snapshots bool) {
// test scenario the side chain is below the committed block. In this case we expect
// the chain to detect that it was fast syncing and not delete anything, since we
// can just pick up directly where we left off.
func TestShortOldForkedFastSyncingRepair(t *testing.T) {
testShortOldForkedFastSyncingRepair(t, false)
func TestShortOldForkedSnapSyncingRepair(t *testing.T) {
testShortOldForkedSnapSyncingRepair(t, false)
}
func TestShortOldForkedFastSyncingRepairWithSnapshots(t *testing.T) {
testShortOldForkedFastSyncingRepair(t, true)
func TestShortOldForkedSnapSyncingRepairWithSnapshots(t *testing.T) {
testShortOldForkedSnapSyncingRepair(t, true)
}
func testShortOldForkedFastSyncingRepair(t *testing.T, snapshots bool) {
func testShortOldForkedSnapSyncingRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3
@@ -340,14 +340,14 @@ func testShortNewlyForkedRepair(t *testing.T, snapshots bool) {
// crashed. In this test scenario the side chain reaches above the committed block.
// In this case we expect the canonical chain to be rolled back to the committed
// block, but the chain data itself left in the database for replaying.
func TestShortNewlyForkedFastSyncedRepair(t *testing.T) {
testShortNewlyForkedFastSyncedRepair(t, false)
func TestShortNewlyForkedSnapSyncedRepair(t *testing.T) {
testShortNewlyForkedSnapSyncedRepair(t, false)
}
func TestShortNewlyForkedFastSyncedRepairWithSnapshots(t *testing.T) {
testShortNewlyForkedFastSyncedRepair(t, true)
func TestShortNewlyForkedSnapSyncedRepairWithSnapshots(t *testing.T) {
testShortNewlyForkedSnapSyncedRepair(t, true)
}
func testShortNewlyForkedFastSyncedRepair(t *testing.T, snapshots bool) {
func testShortNewlyForkedSnapSyncedRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6
@@ -387,14 +387,14 @@ func testShortNewlyForkedFastSyncedRepair(t *testing.T, snapshots bool) {
// this test scenario the side chain reaches above the committed block. In this
// case we expect the chain to detect that it was fast syncing and not delete
// anything, since we can just pick up directly where we left off.
func TestShortNewlyForkedFastSyncingRepair(t *testing.T) {
testShortNewlyForkedFastSyncingRepair(t, false)
func TestShortNewlyForkedSnapSyncingRepair(t *testing.T) {
testShortNewlyForkedSnapSyncingRepair(t, false)
}
func TestShortNewlyForkedFastSyncingRepairWithSnapshots(t *testing.T) {
testShortNewlyForkedFastSyncingRepair(t, true)
func TestShortNewlyForkedSnapSyncingRepairWithSnapshots(t *testing.T) {
testShortNewlyForkedSnapSyncingRepair(t, true)
}
func testShortNewlyForkedFastSyncingRepair(t *testing.T, snapshots bool) {
func testShortNewlyForkedSnapSyncingRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6
@@ -475,14 +475,14 @@ func testShortReorgedRepair(t *testing.T, snapshots bool) {
// the fast sync pivot point was already committed to disk and then the process
// crashed. In this case we expect the canonical chain to be rolled back to the
// committed block, but the chain data itself left in the database for replaying.
func TestShortReorgedFastSyncedRepair(t *testing.T) {
testShortReorgedFastSyncedRepair(t, false)
func TestShortReorgedSnapSyncedRepair(t *testing.T) {
testShortReorgedSnapSyncedRepair(t, false)
}
func TestShortReorgedFastSyncedRepairWithSnapshots(t *testing.T) {
testShortReorgedFastSyncedRepair(t, true)
func TestShortReorgedSnapSyncedRepairWithSnapshots(t *testing.T) {
testShortReorgedSnapSyncedRepair(t, true)
}
func testShortReorgedFastSyncedRepair(t *testing.T, snapshots bool) {
func testShortReorgedSnapSyncedRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10
@@ -521,14 +521,14 @@ func testShortReorgedFastSyncedRepair(t *testing.T, snapshots bool) {
// the fast sync pivot point was not yet committed, but the process crashed. In
// this case we expect the chain to detect that it was fast syncing and not delete
// anything, since we can just pick up directly where we left off.
func TestShortReorgedFastSyncingRepair(t *testing.T) {
testShortReorgedFastSyncingRepair(t, false)
func TestShortReorgedSnapSyncingRepair(t *testing.T) {
testShortReorgedSnapSyncingRepair(t, false)
}
func TestShortReorgedFastSyncingRepairWithSnapshots(t *testing.T) {
testShortReorgedFastSyncingRepair(t, true)
func TestShortReorgedSnapSyncingRepairWithSnapshots(t *testing.T) {
testShortReorgedSnapSyncingRepair(t, true)
}
func testShortReorgedFastSyncingRepair(t *testing.T, snapshots bool) {
func testShortReorgedSnapSyncingRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10
@@ -656,14 +656,14 @@ func testLongDeepRepair(t *testing.T, snapshots bool) {
// sync pivot point - newer than the ancient limit - was already committed, after
// which the process crashed. In this case we expect the chain to be rolled back
// to the committed block, with everything afterwads kept as fast sync data.
func TestLongFastSyncedShallowRepair(t *testing.T) {
testLongFastSyncedShallowRepair(t, false)
func TestLongSnapSyncedShallowRepair(t *testing.T) {
testLongSnapSyncedShallowRepair(t, false)
}
func TestLongFastSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongFastSyncedShallowRepair(t, true)
func TestLongSnapSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongSnapSyncedShallowRepair(t, true)
}
func testLongFastSyncedShallowRepair(t *testing.T, snapshots bool) {
func testLongSnapSyncedShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
//
@@ -705,10 +705,10 @@ func testLongFastSyncedShallowRepair(t *testing.T, snapshots bool) {
// sync pivot point - older than the ancient limit - was already committed, after
// which the process crashed. In this case we expect the chain to be rolled back
// to the committed block, with everything afterwads deleted.
func TestLongFastSyncedDeepRepair(t *testing.T) { testLongFastSyncedDeepRepair(t, false) }
func TestLongFastSyncedDeepRepairWithSnapshots(t *testing.T) { testLongFastSyncedDeepRepair(t, true) }
func TestLongSnapSyncedDeepRepair(t *testing.T) { testLongSnapSyncedDeepRepair(t, false) }
func TestLongSnapSyncedDeepRepairWithSnapshots(t *testing.T) { testLongSnapSyncedDeepRepair(t, true) }
func testLongFastSyncedDeepRepair(t *testing.T, snapshots bool) {
func testLongSnapSyncedDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
//
@@ -750,14 +750,14 @@ func testLongFastSyncedDeepRepair(t *testing.T, snapshots bool) {
// process crashed. In this case we expect the chain to detect that it was fast
// syncing and not delete anything, since we can just pick up directly where we
// left off.
func TestLongFastSyncingShallowRepair(t *testing.T) {
testLongFastSyncingShallowRepair(t, false)
func TestLongSnapSyncingShallowRepair(t *testing.T) {
testLongSnapSyncingShallowRepair(t, false)
}
func TestLongFastSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongFastSyncingShallowRepair(t, true)
func TestLongSnapSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongSnapSyncingShallowRepair(t, true)
}
func testLongFastSyncingShallowRepair(t *testing.T, snapshots bool) {
func testLongSnapSyncingShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
//
@@ -800,10 +800,10 @@ func testLongFastSyncingShallowRepair(t *testing.T, snapshots bool) {
// process crashed. In this case we expect the chain to detect that it was fast
// syncing and not delete anything, since we can just pick up directly where we
// left off.
func TestLongFastSyncingDeepRepair(t *testing.T) { testLongFastSyncingDeepRepair(t, false) }
func TestLongFastSyncingDeepRepairWithSnapshots(t *testing.T) { testLongFastSyncingDeepRepair(t, true) }
func TestLongSnapSyncingDeepRepair(t *testing.T) { testLongSnapSyncingDeepRepair(t, false) }
func TestLongSnapSyncingDeepRepairWithSnapshots(t *testing.T) { testLongSnapSyncingDeepRepair(t, true) }
func testLongFastSyncingDeepRepair(t *testing.T, snapshots bool) {
func testLongSnapSyncingDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
//
@@ -946,14 +946,14 @@ func testLongOldForkedDeepRepair(t *testing.T, snapshots bool) {
// the side chain is below the committed block. In this case we expect the chain
// to be rolled back to the committed block, with everything afterwads kept as
// fast sync data; the side chain completely nuked by the freezer.
func TestLongOldForkedFastSyncedShallowRepair(t *testing.T) {
testLongOldForkedFastSyncedShallowRepair(t, false)
func TestLongOldForkedSnapSyncedShallowRepair(t *testing.T) {
testLongOldForkedSnapSyncedShallowRepair(t, false)
}
func TestLongOldForkedFastSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncedShallowRepair(t, true)
func TestLongOldForkedSnapSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncedShallowRepair(t, true)
}
func testLongOldForkedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncedShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3
@@ -998,14 +998,14 @@ func testLongOldForkedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
// the side chain is below the committed block. In this case we expect the canonical
// chain to be rolled back to the committed block, with everything afterwads deleted;
// the side chain completely nuked by the freezer.
func TestLongOldForkedFastSyncedDeepRepair(t *testing.T) {
testLongOldForkedFastSyncedDeepRepair(t, false)
func TestLongOldForkedSnapSyncedDeepRepair(t *testing.T) {
testLongOldForkedSnapSyncedDeepRepair(t, false)
}
func TestLongOldForkedFastSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncedDeepRepair(t, true)
func TestLongOldForkedSnapSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncedDeepRepair(t, true)
}
func testLongOldForkedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncedDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3
@@ -1049,14 +1049,14 @@ func testLongOldForkedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
// chain is below the committed block. In this case we expect the chain to detect
// that it was fast syncing and not delete anything. The side chain is completely
// nuked by the freezer.
func TestLongOldForkedFastSyncingShallowRepair(t *testing.T) {
testLongOldForkedFastSyncingShallowRepair(t, false)
func TestLongOldForkedSnapSyncingShallowRepair(t *testing.T) {
testLongOldForkedSnapSyncingShallowRepair(t, false)
}
func TestLongOldForkedFastSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncingShallowRepair(t, true)
func TestLongOldForkedSnapSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncingShallowRepair(t, true)
}
func testLongOldForkedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncingShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3
@@ -1101,14 +1101,14 @@ func testLongOldForkedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
// chain is below the committed block. In this case we expect the chain to detect
// that it was fast syncing and not delete anything. The side chain is completely
// nuked by the freezer.
func TestLongOldForkedFastSyncingDeepRepair(t *testing.T) {
testLongOldForkedFastSyncingDeepRepair(t, false)
func TestLongOldForkedSnapSyncingDeepRepair(t *testing.T) {
testLongOldForkedSnapSyncingDeepRepair(t, false)
}
func TestLongOldForkedFastSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncingDeepRepair(t, true)
func TestLongOldForkedSnapSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncingDeepRepair(t, true)
}
func testLongOldForkedFastSyncingDeepRepair(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncingDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3
@@ -1252,14 +1252,14 @@ func testLongNewerForkedDeepRepair(t *testing.T, snapshots bool) {
// the side chain is above the committed block. In this case we expect the chain
// to be rolled back to the committed block, with everything afterwads kept as fast
// sync data; the side chain completely nuked by the freezer.
func TestLongNewerForkedFastSyncedShallowRepair(t *testing.T) {
testLongNewerForkedFastSyncedShallowRepair(t, false)
func TestLongNewerForkedSnapSyncedShallowRepair(t *testing.T) {
testLongNewerForkedSnapSyncedShallowRepair(t, false)
}
func TestLongNewerForkedFastSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncedShallowRepair(t, true)
func TestLongNewerForkedSnapSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncedShallowRepair(t, true)
}
func testLongNewerForkedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncedShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1304,14 +1304,14 @@ func testLongNewerForkedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
// the side chain is above the committed block. In this case we expect the canonical
// chain to be rolled back to the committed block, with everything afterwads deleted;
// the side chain completely nuked by the freezer.
func TestLongNewerForkedFastSyncedDeepRepair(t *testing.T) {
testLongNewerForkedFastSyncedDeepRepair(t, false)
func TestLongNewerForkedSnapSyncedDeepRepair(t *testing.T) {
testLongNewerForkedSnapSyncedDeepRepair(t, false)
}
func TestLongNewerForkedFastSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncedDeepRepair(t, true)
func TestLongNewerForkedSnapSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncedDeepRepair(t, true)
}
func testLongNewerForkedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncedDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1355,14 +1355,14 @@ func testLongNewerForkedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
// chain is above the committed block. In this case we expect the chain to detect
// that it was fast syncing and not delete anything. The side chain is completely
// nuked by the freezer.
func TestLongNewerForkedFastSyncingShallowRepair(t *testing.T) {
testLongNewerForkedFastSyncingShallowRepair(t, false)
func TestLongNewerForkedSnapSyncingShallowRepair(t *testing.T) {
testLongNewerForkedSnapSyncingShallowRepair(t, false)
}
func TestLongNewerForkedFastSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncingShallowRepair(t, true)
func TestLongNewerForkedSnapSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncingShallowRepair(t, true)
}
func testLongNewerForkedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncingShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1407,14 +1407,14 @@ func testLongNewerForkedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
// chain is above the committed block. In this case we expect the chain to detect
// that it was fast syncing and not delete anything. The side chain is completely
// nuked by the freezer.
func TestLongNewerForkedFastSyncingDeepRepair(t *testing.T) {
testLongNewerForkedFastSyncingDeepRepair(t, false)
func TestLongNewerForkedSnapSyncingDeepRepair(t *testing.T) {
testLongNewerForkedSnapSyncingDeepRepair(t, false)
}
func TestLongNewerForkedFastSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncingDeepRepair(t, true)
func TestLongNewerForkedSnapSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncingDeepRepair(t, true)
}
func testLongNewerForkedFastSyncingDeepRepair(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncingDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1552,14 +1552,14 @@ func testLongReorgedDeepRepair(t *testing.T, snapshots bool) {
// expect the chain to be rolled back to the committed block, with everything
// afterwads kept as fast sync data. The side chain completely nuked by the
// freezer.
func TestLongReorgedFastSyncedShallowRepair(t *testing.T) {
testLongReorgedFastSyncedShallowRepair(t, false)
func TestLongReorgedSnapSyncedShallowRepair(t *testing.T) {
testLongReorgedSnapSyncedShallowRepair(t, false)
}
func TestLongReorgedFastSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongReorgedFastSyncedShallowRepair(t, true)
func TestLongReorgedSnapSyncedShallowRepairWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncedShallowRepair(t, true)
}
func testLongReorgedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncedShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1603,14 +1603,14 @@ func testLongReorgedFastSyncedShallowRepair(t *testing.T, snapshots bool) {
// was already committed to disk and then the process crashed. In this case we
// expect the canonical chains to be rolled back to the committed block, with
// everything afterwads deleted. The side chain completely nuked by the freezer.
func TestLongReorgedFastSyncedDeepRepair(t *testing.T) {
testLongReorgedFastSyncedDeepRepair(t, false)
func TestLongReorgedSnapSyncedDeepRepair(t *testing.T) {
testLongReorgedSnapSyncedDeepRepair(t, false)
}
func TestLongReorgedFastSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongReorgedFastSyncedDeepRepair(t, true)
func TestLongReorgedSnapSyncedDeepRepairWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncedDeepRepair(t, true)
}
func testLongReorgedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncedDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1653,14 +1653,14 @@ func testLongReorgedFastSyncedDeepRepair(t *testing.T, snapshots bool) {
// was not yet committed, but the process crashed. In this case we expect the
// chain to detect that it was fast syncing and not delete anything, since we
// can just pick up directly where we left off.
func TestLongReorgedFastSyncingShallowRepair(t *testing.T) {
testLongReorgedFastSyncingShallowRepair(t, false)
func TestLongReorgedSnapSyncingShallowRepair(t *testing.T) {
testLongReorgedSnapSyncingShallowRepair(t, false)
}
func TestLongReorgedFastSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongReorgedFastSyncingShallowRepair(t, true)
func TestLongReorgedSnapSyncingShallowRepairWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncingShallowRepair(t, true)
}
func testLongReorgedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncingShallowRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1704,14 +1704,14 @@ func testLongReorgedFastSyncingShallowRepair(t *testing.T, snapshots bool) {
// was not yet committed, but the process crashed. In this case we expect the
// chain to detect that it was fast syncing and not delete anything, since we
// can just pick up directly where we left off.
func TestLongReorgedFastSyncingDeepRepair(t *testing.T) {
testLongReorgedFastSyncingDeepRepair(t, false)
func TestLongReorgedSnapSyncingDeepRepair(t *testing.T) {
testLongReorgedSnapSyncingDeepRepair(t, false)
}
func TestLongReorgedFastSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongReorgedFastSyncingDeepRepair(t, true)
func TestLongReorgedSnapSyncingDeepRepairWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncingDeepRepair(t, true)
}
func testLongReorgedFastSyncingDeepRepair(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncingDeepRepair(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1829,7 +1829,7 @@ func testRepair(t *testing.T, tt *rewindTest, snapshots bool) {
// Pull the plug on the database, simulating a hard crash
db.Close()
// Start a new blockchain back up and see where the repait leads us
// Start a new blockchain back up and see where the repair leads us
db, err = rawdb.NewLevelDBDatabaseWithFreezer(datadir, 0, 0, datadir, "", false)
if err != nil {
t.Fatalf("Failed to reopen persistent database: %v", err)
core/blockchain_sethead_test.go
+120 -120
View File
@@ -194,10 +194,10 @@ func testShortSetHead(t *testing.T, snapshots bool) {
// Everything above the sethead point should be deleted. In between the committed
// block and the requested head the data can remain as "fast sync" data to avoid
// redownloading it.
func TestShortFastSyncedSetHead(t *testing.T) { testShortFastSyncedSetHead(t, false) }
func TestShortFastSyncedSetHeadWithSnapshots(t *testing.T) { testShortFastSyncedSetHead(t, true) }
func TestShortSnapSyncedSetHead(t *testing.T) { testShortSnapSyncedSetHead(t, false) }
func TestShortSnapSyncedSetHeadWithSnapshots(t *testing.T) { testShortSnapSyncedSetHead(t, true) }
func testShortFastSyncedSetHead(t *testing.T, snapshots bool) {
func testShortSnapSyncedSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
//
@@ -236,10 +236,10 @@ func testShortFastSyncedSetHead(t *testing.T, snapshots bool) {
// detect that it was fast syncing and delete everything from the new head, since
// we can just pick up fast syncing from there. The head full block should be set
// to the genesis.
func TestShortFastSyncingSetHead(t *testing.T) { testShortFastSyncingSetHead(t, false) }
func TestShortFastSyncingSetHeadWithSnapshots(t *testing.T) { testShortFastSyncingSetHead(t, true) }
func TestShortSnapSyncingSetHead(t *testing.T) { testShortSnapSyncingSetHead(t, false) }
func TestShortSnapSyncingSetHeadWithSnapshots(t *testing.T) { testShortSnapSyncingSetHead(t, true) }
func testShortFastSyncingSetHead(t *testing.T, snapshots bool) {
func testShortSnapSyncingSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
//
@@ -326,14 +326,14 @@ func testShortOldForkedSetHead(t *testing.T, snapshots bool) {
// block. Everything above the sethead point should be deleted. In between the
// committed block and the requested head the data can remain as "fast sync" data
// to avoid redownloading it. The side chain should be left alone as it was shorter.
func TestShortOldForkedFastSyncedSetHead(t *testing.T) {
testShortOldForkedFastSyncedSetHead(t, false)
func TestShortOldForkedSnapSyncedSetHead(t *testing.T) {
testShortOldForkedSnapSyncedSetHead(t, false)
}
func TestShortOldForkedFastSyncedSetHeadWithSnapshots(t *testing.T) {
testShortOldForkedFastSyncedSetHead(t, true)
func TestShortOldForkedSnapSyncedSetHeadWithSnapshots(t *testing.T) {
testShortOldForkedSnapSyncedSetHead(t, true)
}
func testShortOldForkedFastSyncedSetHead(t *testing.T, snapshots bool) {
func testShortOldForkedSnapSyncedSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3
@@ -375,14 +375,14 @@ func testShortOldForkedFastSyncedSetHead(t *testing.T, snapshots bool) {
// the chain to detect that it was fast syncing and delete everything from the new
// head, since we can just pick up fast syncing from there. The head full block
// should be set to the genesis.
func TestShortOldForkedFastSyncingSetHead(t *testing.T) {
testShortOldForkedFastSyncingSetHead(t, false)
func TestShortOldForkedSnapSyncingSetHead(t *testing.T) {
testShortOldForkedSnapSyncingSetHead(t, false)
}
func TestShortOldForkedFastSyncingSetHeadWithSnapshots(t *testing.T) {
testShortOldForkedFastSyncingSetHead(t, true)
func TestShortOldForkedSnapSyncingSetHeadWithSnapshots(t *testing.T) {
testShortOldForkedSnapSyncingSetHead(t, true)
}
func testShortOldForkedFastSyncingSetHead(t *testing.T, snapshots bool) {
func testShortOldForkedSnapSyncingSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3
@@ -478,14 +478,14 @@ func testShortNewlyForkedSetHead(t *testing.T, snapshots bool) {
// The side chain could be left to be if the fork point was before the new head
// we are deleting to, but it would be exceedingly hard to detect that case and
// properly handle it, so we'll trade extra work in exchange for simpler code.
func TestShortNewlyForkedFastSyncedSetHead(t *testing.T) {
testShortNewlyForkedFastSyncedSetHead(t, false)
func TestShortNewlyForkedSnapSyncedSetHead(t *testing.T) {
testShortNewlyForkedSnapSyncedSetHead(t, false)
}
func TestShortNewlyForkedFastSyncedSetHeadWithSnapshots(t *testing.T) {
testShortNewlyForkedFastSyncedSetHead(t, true)
func TestShortNewlyForkedSnapSyncedSetHeadWithSnapshots(t *testing.T) {
testShortNewlyForkedSnapSyncedSetHead(t, true)
}
func testShortNewlyForkedFastSyncedSetHead(t *testing.T, snapshots bool) {
func testShortNewlyForkedSnapSyncedSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8
@@ -531,14 +531,14 @@ func testShortNewlyForkedFastSyncedSetHead(t *testing.T, snapshots bool) {
// The side chain could be left to be if the fork point was before the new head
// we are deleting to, but it would be exceedingly hard to detect that case and
// properly handle it, so we'll trade extra work in exchange for simpler code.
func TestShortNewlyForkedFastSyncingSetHead(t *testing.T) {
testShortNewlyForkedFastSyncingSetHead(t, false)
func TestShortNewlyForkedSnapSyncingSetHead(t *testing.T) {
testShortNewlyForkedSnapSyncingSetHead(t, false)
}
func TestShortNewlyForkedFastSyncingSetHeadWithSnapshots(t *testing.T) {
testShortNewlyForkedFastSyncingSetHead(t, true)
func TestShortNewlyForkedSnapSyncingSetHeadWithSnapshots(t *testing.T) {
testShortNewlyForkedSnapSyncingSetHead(t, true)
}
func testShortNewlyForkedFastSyncingSetHead(t *testing.T, snapshots bool) {
func testShortNewlyForkedSnapSyncingSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8
@@ -634,14 +634,14 @@ func testShortReorgedSetHead(t *testing.T, snapshots bool) {
// The side chain could be left to be if the fork point was before the new head
// we are deleting to, but it would be exceedingly hard to detect that case and
// properly handle it, so we'll trade extra work in exchange for simpler code.
func TestShortReorgedFastSyncedSetHead(t *testing.T) {
testShortReorgedFastSyncedSetHead(t, false)
func TestShortReorgedSnapSyncedSetHead(t *testing.T) {
testShortReorgedSnapSyncedSetHead(t, false)
}
func TestShortReorgedFastSyncedSetHeadWithSnapshots(t *testing.T) {
testShortReorgedFastSyncedSetHead(t, true)
func TestShortReorgedSnapSyncedSetHeadWithSnapshots(t *testing.T) {
testShortReorgedSnapSyncedSetHead(t, true)
}
func testShortReorgedFastSyncedSetHead(t *testing.T, snapshots bool) {
func testShortReorgedSnapSyncedSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10
@@ -686,14 +686,14 @@ func testShortReorgedFastSyncedSetHead(t *testing.T, snapshots bool) {
// The side chain could be left to be if the fork point was before the new head
// we are deleting to, but it would be exceedingly hard to detect that case and
// properly handle it, so we'll trade extra work in exchange for simpler code.
func TestShortReorgedFastSyncingSetHead(t *testing.T) {
testShortReorgedFastSyncingSetHead(t, false)
func TestShortReorgedSnapSyncingSetHead(t *testing.T) {
testShortReorgedSnapSyncingSetHead(t, false)
}
func TestShortReorgedFastSyncingSetHeadWithSnapshots(t *testing.T) {
testShortReorgedFastSyncingSetHead(t, true)
func TestShortReorgedSnapSyncingSetHeadWithSnapshots(t *testing.T) {
testShortReorgedSnapSyncingSetHead(t, true)
}
func testShortReorgedFastSyncingSetHead(t *testing.T, snapshots bool) {
func testShortReorgedSnapSyncingSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10
@@ -829,14 +829,14 @@ func testLongDeepSetHead(t *testing.T, snapshots bool) {
// back to the committed block. Everything above the sethead point should be
// deleted. In between the committed block and the requested head the data can
// remain as "fast sync" data to avoid redownloading it.
func TestLongFastSyncedShallowSetHead(t *testing.T) {
testLongFastSyncedShallowSetHead(t, false)
func TestLongSnapSyncedShallowSetHead(t *testing.T) {
testLongSnapSyncedShallowSetHead(t, false)
}
func TestLongFastSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongFastSyncedShallowSetHead(t, true)
func TestLongSnapSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongSnapSyncedShallowSetHead(t, true)
}
func testLongFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
func testLongSnapSyncedShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
//
@@ -880,10 +880,10 @@ func testLongFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
// which sethead was called. In this case we expect the full chain to be rolled
// back to the committed block. Since the ancient limit was underflown, everything
// needs to be deleted onwards to avoid creating a gap.
func TestLongFastSyncedDeepSetHead(t *testing.T) { testLongFastSyncedDeepSetHead(t, false) }
func TestLongFastSyncedDeepSetHeadWithSnapshots(t *testing.T) { testLongFastSyncedDeepSetHead(t, true) }
func TestLongSnapSyncedDeepSetHead(t *testing.T) { testLongSnapSyncedDeepSetHead(t, false) }
func TestLongSnapSyncedDeepSetHeadWithSnapshots(t *testing.T) { testLongSnapSyncedDeepSetHead(t, true) }
func testLongFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
func testLongSnapSyncedDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
//
@@ -926,14 +926,14 @@ func testLongFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
// sethead was called. In this case we expect the chain to detect that it was fast
// syncing and delete everything from the new head, since we can just pick up fast
// syncing from there.
func TestLongFastSyncingShallowSetHead(t *testing.T) {
testLongFastSyncingShallowSetHead(t, false)
func TestLongSnapSyncingShallowSetHead(t *testing.T) {
testLongSnapSyncingShallowSetHead(t, false)
}
func TestLongFastSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongFastSyncingShallowSetHead(t, true)
func TestLongSnapSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongSnapSyncingShallowSetHead(t, true)
}
func testLongFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
func testLongSnapSyncingShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
//
@@ -977,14 +977,14 @@ func testLongFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
// sethead was called. In this case we expect the chain to detect that it was fast
// syncing and delete everything from the new head, since we can just pick up fast
// syncing from there.
func TestLongFastSyncingDeepSetHead(t *testing.T) {
testLongFastSyncingDeepSetHead(t, false)
func TestLongSnapSyncingDeepSetHead(t *testing.T) {
testLongSnapSyncingDeepSetHead(t, false)
}
func TestLongFastSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongFastSyncingDeepSetHead(t, true)
func TestLongSnapSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongSnapSyncingDeepSetHead(t, true)
}
func testLongFastSyncingDeepSetHead(t *testing.T, snapshots bool) {
func testLongSnapSyncingDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
//
@@ -1132,14 +1132,14 @@ func testLongOldForkedDeepSetHead(t *testing.T, snapshots bool) {
// sethead point should be deleted. In between the committed block and the
// requested head the data can remain as "fast sync" data to avoid redownloading
// it. The side chain is nuked by the freezer.
func TestLongOldForkedFastSyncedShallowSetHead(t *testing.T) {
testLongOldForkedFastSyncedShallowSetHead(t, false)
func TestLongOldForkedSnapSyncedShallowSetHead(t *testing.T) {
testLongOldForkedSnapSyncedShallowSetHead(t, false)
}
func TestLongOldForkedFastSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncedShallowSetHead(t, true)
func TestLongOldForkedSnapSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncedShallowSetHead(t, true)
}
func testLongOldForkedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncedShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3
@@ -1186,14 +1186,14 @@ func testLongOldForkedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
// full chain to be rolled back to the committed block. Since the ancient limit was
// underflown, everything needs to be deleted onwards to avoid creating a gap. The
// side chain is nuked by the freezer.
func TestLongOldForkedFastSyncedDeepSetHead(t *testing.T) {
testLongOldForkedFastSyncedDeepSetHead(t, false)
func TestLongOldForkedSnapSyncedDeepSetHead(t *testing.T) {
testLongOldForkedSnapSyncedDeepSetHead(t, false)
}
func TestLongOldForkedFastSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncedDeepSetHead(t, true)
func TestLongOldForkedSnapSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncedDeepSetHead(t, true)
}
func testLongOldForkedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncedDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3
@@ -1239,14 +1239,14 @@ func testLongOldForkedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
// that it was fast syncing and delete everything from the new head, since we can
// just pick up fast syncing from there. The side chain is completely nuked by the
// freezer.
func TestLongOldForkedFastSyncingShallowSetHead(t *testing.T) {
testLongOldForkedFastSyncingShallowSetHead(t, false)
func TestLongOldForkedSnapSyncingShallowSetHead(t *testing.T) {
testLongOldForkedSnapSyncingShallowSetHead(t, false)
}
func TestLongOldForkedFastSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncingShallowSetHead(t, true)
func TestLongOldForkedSnapSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncingShallowSetHead(t, true)
}
func testLongOldForkedFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncingShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3
@@ -1293,14 +1293,14 @@ func testLongOldForkedFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
// that it was fast syncing and delete everything from the new head, since we can
// just pick up fast syncing from there. The side chain is completely nuked by the
// freezer.
func TestLongOldForkedFastSyncingDeepSetHead(t *testing.T) {
testLongOldForkedFastSyncingDeepSetHead(t, false)
func TestLongOldForkedSnapSyncingDeepSetHead(t *testing.T) {
testLongOldForkedSnapSyncingDeepSetHead(t, false)
}
func TestLongOldForkedFastSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedFastSyncingDeepSetHead(t, true)
func TestLongOldForkedSnapSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongOldForkedSnapSyncingDeepSetHead(t, true)
}
func testLongOldForkedFastSyncingDeepSetHead(t *testing.T, snapshots bool) {
func testLongOldForkedSnapSyncingDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3
@@ -1446,15 +1446,15 @@ func testLongNewerForkedDeepSetHead(t *testing.T, snapshots bool) {
// side chain, where the fast sync pivot point - newer than the ancient limit -
// was already committed to disk and then sethead was called. In this test scenario
// the side chain is above the committed block. In this case the freezer will delete
// the sidechain since it's dangling, reverting to TestLongFastSyncedShallowSetHead.
func TestLongNewerForkedFastSyncedShallowSetHead(t *testing.T) {
testLongNewerForkedFastSyncedShallowSetHead(t, false)
// the sidechain since it's dangling, reverting to TestLongSnapSyncedShallowSetHead.
func TestLongNewerForkedSnapSyncedShallowSetHead(t *testing.T) {
testLongNewerForkedSnapSyncedShallowSetHead(t, false)
}
func TestLongNewerForkedFastSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncedShallowSetHead(t, true)
func TestLongNewerForkedSnapSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncedShallowSetHead(t, true)
}
func testLongNewerForkedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncedShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1498,15 +1498,15 @@ func testLongNewerForkedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
// side chain, where the fast sync pivot point - older than the ancient limit -
// was already committed to disk and then sethead was called. In this test scenario
// the side chain is above the committed block. In this case the freezer will delete
// the sidechain since it's dangling, reverting to TestLongFastSyncedDeepSetHead.
func TestLongNewerForkedFastSyncedDeepSetHead(t *testing.T) {
testLongNewerForkedFastSyncedDeepSetHead(t, false)
// the sidechain since it's dangling, reverting to TestLongSnapSyncedDeepSetHead.
func TestLongNewerForkedSnapSyncedDeepSetHead(t *testing.T) {
testLongNewerForkedSnapSyncedDeepSetHead(t, false)
}
func TestLongNewerForkedFastSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncedDeepSetHead(t, true)
func TestLongNewerForkedSnapSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncedDeepSetHead(t, true)
}
func testLongNewerForkedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncedDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1549,15 +1549,15 @@ func testLongNewerForkedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
// side chain, where the fast sync pivot point - newer than the ancient limit -
// was not yet committed, but sethead was called. In this test scenario the side
// chain is above the committed block. In this case the freezer will delete the
// sidechain since it's dangling, reverting to TestLongFastSyncinghallowSetHead.
func TestLongNewerForkedFastSyncingShallowSetHead(t *testing.T) {
testLongNewerForkedFastSyncingShallowSetHead(t, false)
// sidechain since it's dangling, reverting to TestLongSnapSyncinghallowSetHead.
func TestLongNewerForkedSnapSyncingShallowSetHead(t *testing.T) {
testLongNewerForkedSnapSyncingShallowSetHead(t, false)
}
func TestLongNewerForkedFastSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncingShallowSetHead(t, true)
func TestLongNewerForkedSnapSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncingShallowSetHead(t, true)
}
func testLongNewerForkedFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncingShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1601,15 +1601,15 @@ func testLongNewerForkedFastSyncingShallowSetHead(t *testing.T, snapshots bool)
// side chain, where the fast sync pivot point - older than the ancient limit -
// was not yet committed, but sethead was called. In this test scenario the side
// chain is above the committed block. In this case the freezer will delete the
// sidechain since it's dangling, reverting to TestLongFastSyncingDeepSetHead.
func TestLongNewerForkedFastSyncingDeepSetHead(t *testing.T) {
testLongNewerForkedFastSyncingDeepSetHead(t, false)
// sidechain since it's dangling, reverting to TestLongSnapSyncingDeepSetHead.
func TestLongNewerForkedSnapSyncingDeepSetHead(t *testing.T) {
testLongNewerForkedSnapSyncingDeepSetHead(t, false)
}
func TestLongNewerForkedFastSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedFastSyncingDeepSetHead(t, true)
func TestLongNewerForkedSnapSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongNewerForkedSnapSyncingDeepSetHead(t, true)
}
func testLongNewerForkedFastSyncingDeepSetHead(t *testing.T, snapshots bool) {
func testLongNewerForkedSnapSyncingDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12
@@ -1745,15 +1745,15 @@ func testLongReorgedDeepSetHead(t *testing.T, snapshots bool) {
// side chain, where the fast sync pivot point - newer than the ancient limit -
// was already committed to disk and then sethead was called. In this case the
// freezer will delete the sidechain since it's dangling, reverting to
// TestLongFastSyncedShallowSetHead.
func TestLongReorgedFastSyncedShallowSetHead(t *testing.T) {
testLongReorgedFastSyncedShallowSetHead(t, false)
// TestLongSnapSyncedShallowSetHead.
func TestLongReorgedSnapSyncedShallowSetHead(t *testing.T) {
testLongReorgedSnapSyncedShallowSetHead(t, false)
}
func TestLongReorgedFastSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongReorgedFastSyncedShallowSetHead(t, true)
func TestLongReorgedSnapSyncedShallowSetHeadWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncedShallowSetHead(t, true)
}
func testLongReorgedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncedShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1797,15 +1797,15 @@ func testLongReorgedFastSyncedShallowSetHead(t *testing.T, snapshots bool) {
// side chain, where the fast sync pivot point - older than the ancient limit -
// was already committed to disk and then sethead was called. In this case the
// freezer will delete the sidechain since it's dangling, reverting to
// TestLongFastSyncedDeepSetHead.
func TestLongReorgedFastSyncedDeepSetHead(t *testing.T) {
testLongReorgedFastSyncedDeepSetHead(t, false)
// TestLongSnapSyncedDeepSetHead.
func TestLongReorgedSnapSyncedDeepSetHead(t *testing.T) {
testLongReorgedSnapSyncedDeepSetHead(t, false)
}
func TestLongReorgedFastSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongReorgedFastSyncedDeepSetHead(t, true)
func TestLongReorgedSnapSyncedDeepSetHeadWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncedDeepSetHead(t, true)
}
func testLongReorgedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncedDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1850,14 +1850,14 @@ func testLongReorgedFastSyncedDeepSetHead(t *testing.T, snapshots bool) {
// chain to detect that it was fast syncing and delete everything from the new
// head, since we can just pick up fast syncing from there. The side chain is
// completely nuked by the freezer.
func TestLongReorgedFastSyncingShallowSetHead(t *testing.T) {
testLongReorgedFastSyncingShallowSetHead(t, false)
func TestLongReorgedSnapSyncingShallowSetHead(t *testing.T) {
testLongReorgedSnapSyncingShallowSetHead(t, false)
}
func TestLongReorgedFastSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongReorgedFastSyncingShallowSetHead(t, true)
func TestLongReorgedSnapSyncingShallowSetHeadWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncingShallowSetHead(t, true)
}
func testLongReorgedFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncingShallowSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
@@ -1903,14 +1903,14 @@ func testLongReorgedFastSyncingShallowSetHead(t *testing.T, snapshots bool) {
// chain to detect that it was fast syncing and delete everything from the new
// head, since we can just pick up fast syncing from there. The side chain is
// completely nuked by the freezer.
func TestLongReorgedFastSyncingDeepSetHead(t *testing.T) {
testLongReorgedFastSyncingDeepSetHead(t, false)
func TestLongReorgedSnapSyncingDeepSetHead(t *testing.T) {
testLongReorgedSnapSyncingDeepSetHead(t, false)
}
func TestLongReorgedFastSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongReorgedFastSyncingDeepSetHead(t, true)
func TestLongReorgedSnapSyncingDeepSetHeadWithSnapshots(t *testing.T) {
testLongReorgedSnapSyncingDeepSetHead(t, true)
}
func testLongReorgedFastSyncingDeepSetHead(t *testing.T, snapshots bool) {
func testLongReorgedSnapSyncingDeepSetHead(t *testing.T, snapshots bool) {
// Chain:
// G->C1->C2->C3->C4->C5->C6->C7->C8->C9->C10->C11->C12->C13->C14->C15->C16->C17->C18->C19->C20->C21->C22->C23->C24 (HEAD)
// └->S1->S2->S3->S4->S5->S6->S7->S8->S9->S10->S11->S12->S13->S14->S15->S16->S17->S18->S19->S20->S21->S22->S23->S24->S25->S26
core/blockchain_test.go
+399 -31
View File
@@ -28,13 +28,16 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/beacon"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"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/eth/tracers/logger"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/trie"
@@ -210,6 +213,55 @@ func TestLastBlock(t *testing.T) {
}
}
// Test inserts the blocks/headers after the fork choice rule is changed.
// The chain is reorged to whatever specified.
func testInsertAfterMerge(t *testing.T, blockchain *BlockChain, i, n int, full bool) {
// Copy old chain up to #i into a new db
db, blockchain2, err := newCanonical(ethash.NewFaker(), i, full)
if err != nil {
t.Fatal("could not make new canonical in testFork", err)
}
defer blockchain2.Stop()
// Assert the chains have the same header/block at #i
var hash1, hash2 common.Hash
if full {
hash1 = blockchain.GetBlockByNumber(uint64(i)).Hash()
hash2 = blockchain2.GetBlockByNumber(uint64(i)).Hash()
} else {
hash1 = blockchain.GetHeaderByNumber(uint64(i)).Hash()
hash2 = blockchain2.GetHeaderByNumber(uint64(i)).Hash()
}
if hash1 != hash2 {
t.Errorf("chain content mismatch at %d: have hash %v, want hash %v", i, hash2, hash1)
}
// Extend the newly created chain
if full {
blockChainB := makeBlockChain(blockchain2.CurrentBlock(), n, ethash.NewFaker(), db, forkSeed)
if _, err := blockchain2.InsertChain(blockChainB); err != nil {
t.Fatalf("failed to insert forking chain: %v", err)
}
if blockchain2.CurrentBlock().NumberU64() != blockChainB[len(blockChainB)-1].NumberU64() {
t.Fatalf("failed to reorg to the given chain")
}
if blockchain2.CurrentBlock().Hash() != blockChainB[len(blockChainB)-1].Hash() {
t.Fatalf("failed to reorg to the given chain")
}
} else {
headerChainB := makeHeaderChain(blockchain2.CurrentHeader(), n, ethash.NewFaker(), db, forkSeed)
if _, err := blockchain2.InsertHeaderChain(headerChainB, 1); err != nil {
t.Fatalf("failed to insert forking chain: %v", err)
}
if blockchain2.CurrentHeader().Number.Uint64() != headerChainB[len(headerChainB)-1].Number.Uint64() {
t.Fatalf("failed to reorg to the given chain")
}
if blockchain2.CurrentHeader().Hash() != headerChainB[len(headerChainB)-1].Hash() {
t.Fatalf("failed to reorg to the given chain")
}
}
}
// Tests that given a starting canonical chain of a given size, it can be extended
// with various length chains.
func TestExtendCanonicalHeaders(t *testing.T) { testExtendCanonical(t, false) }
@@ -238,6 +290,25 @@ func testExtendCanonical(t *testing.T, full bool) {
testFork(t, processor, length, 10, full, better)
}
// Tests that given a starting canonical chain of a given size, it can be extended
// with various length chains.
func TestExtendCanonicalHeadersAfterMerge(t *testing.T) { testExtendCanonicalAfterMerge(t, false) }
func TestExtendCanonicalBlocksAfterMerge(t *testing.T) { testExtendCanonicalAfterMerge(t, true) }
func testExtendCanonicalAfterMerge(t *testing.T, full bool) {
length := 5
// Make first chain starting from genesis
_, processor, err := newCanonical(ethash.NewFaker(), length, full)
if err != nil {
t.Fatalf("failed to make new canonical chain: %v", err)
}
defer processor.Stop()
testInsertAfterMerge(t, processor, length, 1, full)
testInsertAfterMerge(t, processor, length, 10, full)
}
// Tests that given a starting canonical chain of a given size, creating shorter
// forks do not take canonical ownership.
func TestShorterForkHeaders(t *testing.T) { testShorterFork(t, false) }
@@ -268,6 +339,29 @@ func testShorterFork(t *testing.T, full bool) {
testFork(t, processor, 5, 4, full, worse)
}
// Tests that given a starting canonical chain of a given size, creating shorter
// forks do not take canonical ownership.
func TestShorterForkHeadersAfterMerge(t *testing.T) { testShorterForkAfterMerge(t, false) }
func TestShorterForkBlocksAfterMerge(t *testing.T) { testShorterForkAfterMerge(t, true) }
func testShorterForkAfterMerge(t *testing.T, full bool) {
length := 10
// Make first chain starting from genesis
_, processor, err := newCanonical(ethash.NewFaker(), length, full)
if err != nil {
t.Fatalf("failed to make new canonical chain: %v", err)
}
defer processor.Stop()
testInsertAfterMerge(t, processor, 0, 3, full)
testInsertAfterMerge(t, processor, 0, 7, full)
testInsertAfterMerge(t, processor, 1, 1, full)
testInsertAfterMerge(t, processor, 1, 7, full)
testInsertAfterMerge(t, processor, 5, 3, full)
testInsertAfterMerge(t, processor, 5, 4, full)
}
// Tests that given a starting canonical chain of a given size, creating longer
// forks do take canonical ownership.
func TestLongerForkHeaders(t *testing.T) { testLongerFork(t, false) }
@@ -283,19 +377,35 @@ func testLongerFork(t *testing.T, full bool) {
}
defer processor.Stop()
// Define the difficulty comparator
better := func(td1, td2 *big.Int) {
if td2.Cmp(td1) <= 0 {
t.Errorf("total difficulty mismatch: have %v, expected more than %v", td2, td1)
}
testInsertAfterMerge(t, processor, 0, 11, full)
testInsertAfterMerge(t, processor, 0, 15, full)
testInsertAfterMerge(t, processor, 1, 10, full)
testInsertAfterMerge(t, processor, 1, 12, full)
testInsertAfterMerge(t, processor, 5, 6, full)
testInsertAfterMerge(t, processor, 5, 8, full)
}
// Tests that given a starting canonical chain of a given size, creating longer
// forks do take canonical ownership.
func TestLongerForkHeadersAfterMerge(t *testing.T) { testLongerForkAfterMerge(t, false) }
func TestLongerForkBlocksAfterMerge(t *testing.T) { testLongerForkAfterMerge(t, true) }
func testLongerForkAfterMerge(t *testing.T, full bool) {
length := 10
// Make first chain starting from genesis
_, processor, err := newCanonical(ethash.NewFaker(), length, full)
if err != nil {
t.Fatalf("failed to make new canonical chain: %v", err)
}
// Sum of numbers must be greater than `length` for this to be a longer fork
testFork(t, processor, 0, 11, full, better)
testFork(t, processor, 0, 15, full, better)
testFork(t, processor, 1, 10, full, better)
testFork(t, processor, 1, 12, full, better)
testFork(t, processor, 5, 6, full, better)
testFork(t, processor, 5, 8, full, better)
defer processor.Stop()
testInsertAfterMerge(t, processor, 0, 11, full)
testInsertAfterMerge(t, processor, 0, 15, full)
testInsertAfterMerge(t, processor, 1, 10, full)
testInsertAfterMerge(t, processor, 1, 12, full)
testInsertAfterMerge(t, processor, 5, 6, full)
testInsertAfterMerge(t, processor, 5, 8, full)
}
// Tests that given a starting canonical chain of a given size, creating equal
@@ -328,6 +438,29 @@ func testEqualFork(t *testing.T, full bool) {
testFork(t, processor, 9, 1, full, equal)
}
// Tests that given a starting canonical chain of a given size, creating equal
// forks do take canonical ownership.
func TestEqualForkHeadersAfterMerge(t *testing.T) { testEqualForkAfterMerge(t, false) }
func TestEqualForkBlocksAfterMerge(t *testing.T) { testEqualForkAfterMerge(t, true) }
func testEqualForkAfterMerge(t *testing.T, full bool) {
length := 10
// Make first chain starting from genesis
_, processor, err := newCanonical(ethash.NewFaker(), length, full)
if err != nil {
t.Fatalf("failed to make new canonical chain: %v", err)
}
defer processor.Stop()
testInsertAfterMerge(t, processor, 0, 10, full)
testInsertAfterMerge(t, processor, 1, 9, full)
testInsertAfterMerge(t, processor, 2, 8, full)
testInsertAfterMerge(t, processor, 5, 5, full)
testInsertAfterMerge(t, processor, 6, 4, full)
testInsertAfterMerge(t, processor, 9, 1, full)
}
// Tests that chains missing links do not get accepted by the processor.
func TestBrokenHeaderChain(t *testing.T) { testBrokenChain(t, false) }
func TestBrokenBlockChain(t *testing.T) { testBrokenChain(t, true) }
@@ -1800,21 +1933,56 @@ func TestLowDiffLongChain(t *testing.T) {
// - C is canon chain, containing blocks [G..Cn..Cm]
// - A common ancestor is placed at prune-point + blocksBetweenCommonAncestorAndPruneblock
// - The sidechain S is prepended with numCanonBlocksInSidechain blocks from the canon chain
func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommonAncestorAndPruneblock int) {
//
// The mergePoint can be these values:
// -1: the transition won't happen
// 0: the transition happens since genesis
// 1: the transition happens after some chain segments
func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommonAncestorAndPruneblock int, mergePoint int) {
// Copy the TestChainConfig so we can modify it during tests
chainConfig := *params.TestChainConfig
// Generate a canonical chain to act as the main dataset
engine := ethash.NewFaker()
db := rawdb.NewMemoryDatabase()
genesis := (&Genesis{BaseFee: big.NewInt(params.InitialBaseFee)}).MustCommit(db)
var (
merger = consensus.NewMerger(rawdb.NewMemoryDatabase())
genEngine = beacon.New(ethash.NewFaker())
runEngine = beacon.New(ethash.NewFaker())
db = rawdb.NewMemoryDatabase()
key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
addr = crypto.PubkeyToAddress(key.PublicKey)
nonce = uint64(0)
gspec = &Genesis{
Config: &chainConfig,
Alloc: GenesisAlloc{addr: {Balance: big.NewInt(math.MaxInt64)}},
BaseFee: big.NewInt(params.InitialBaseFee),
}
signer = types.LatestSigner(gspec.Config)
genesis, _ = gspec.Commit(db)
)
// Generate and import the canonical chain
blocks, _ := GenerateChain(params.TestChainConfig, genesis, engine, db, 2*TriesInMemory, nil)
diskdb := rawdb.NewMemoryDatabase()
(&Genesis{BaseFee: big.NewInt(params.InitialBaseFee)}).MustCommit(diskdb)
chain, err := NewBlockChain(diskdb, nil, params.TestChainConfig, engine, vm.Config{}, nil, nil)
gspec.MustCommit(diskdb)
chain, err := NewBlockChain(diskdb, nil, &chainConfig, runEngine, vm.Config{}, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
}
// Activate the transition since genesis if required
if mergePoint == 0 {
merger.ReachTTD()
merger.FinalizePoS()
// Set the terminal total difficulty in the config
gspec.Config.TerminalTotalDifficulty = big.NewInt(0)
}
blocks, _ := GenerateChain(&chainConfig, genesis, genEngine, db, 2*TriesInMemory, func(i int, gen *BlockGen) {
tx, err := types.SignTx(types.NewTransaction(nonce, common.HexToAddress("deadbeef"), big.NewInt(100), 21000, big.NewInt(int64(i+1)*params.GWei), nil), signer, key)
if err != nil {
t.Fatalf("failed to create tx: %v", err)
}
gen.AddTx(tx)
nonce++
})
if n, err := chain.InsertChain(blocks); err != nil {
t.Fatalf("block %d: failed to insert into chain: %v", n, err)
}
@@ -1831,6 +1999,15 @@ func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommon
if !chain.HasBlockAndState(firstNonPrunedBlock.Hash(), firstNonPrunedBlock.NumberU64()) {
t.Errorf("Block %d pruned", firstNonPrunedBlock.NumberU64())
}
// Activate the transition in the middle of the chain
if mergePoint == 1 {
merger.ReachTTD()
merger.FinalizePoS()
// Set the terminal total difficulty in the config
gspec.Config.TerminalTotalDifficulty = big.NewInt(int64(len(blocks)))
}
// Generate the sidechain
// First block should be a known block, block after should be a pruned block. So
// canon(pruned), side, side...
@@ -1838,7 +2015,7 @@ func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommon
// Generate fork chain, make it longer than canon
parentIndex := lastPrunedIndex + blocksBetweenCommonAncestorAndPruneblock
parent := blocks[parentIndex]
fork, _ := GenerateChain(params.TestChainConfig, parent, engine, db, 2*TriesInMemory, func(i int, b *BlockGen) {
fork, _ := GenerateChain(&chainConfig, parent, genEngine, db, 2*TriesInMemory, func(i int, b *BlockGen) {
b.SetCoinbase(common.Address{2})
})
// Prepend the parent(s)
@@ -1847,9 +2024,9 @@ func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommon
sidechain = append(sidechain, blocks[parentIndex+1-i])
}
sidechain = append(sidechain, fork...)
_, err = chain.InsertChain(sidechain)
n, err := chain.InsertChain(sidechain)
if err != nil {
t.Errorf("Got error, %v", err)
t.Errorf("Got error, %v number %d - %d", err, sidechain[n].NumberU64(), n)
}
head := chain.CurrentBlock()
if got := fork[len(fork)-1].Hash(); got != head.Hash() {
@@ -1870,11 +2047,28 @@ func TestPrunedImportSide(t *testing.T) {
//glogger := log.NewGlogHandler(log.StreamHandler(os.Stdout, log.TerminalFormat(false)))
//glogger.Verbosity(3)
//log.Root().SetHandler(log.Handler(glogger))
testSideImport(t, 3, 3)
testSideImport(t, 3, -3)
testSideImport(t, 10, 0)
testSideImport(t, 1, 10)
testSideImport(t, 1, -10)
testSideImport(t, 3, 3, -1)
testSideImport(t, 3, -3, -1)
testSideImport(t, 10, 0, -1)
testSideImport(t, 1, 10, -1)
testSideImport(t, 1, -10, -1)
}
func TestPrunedImportSideWithMerging(t *testing.T) {
//glogger := log.NewGlogHandler(log.StreamHandler(os.Stdout, log.TerminalFormat(false)))
//glogger.Verbosity(3)
//log.Root().SetHandler(log.Handler(glogger))
testSideImport(t, 3, 3, 0)
testSideImport(t, 3, -3, 0)
testSideImport(t, 10, 0, 0)
testSideImport(t, 1, 10, 0)
testSideImport(t, 1, -10, 0)
testSideImport(t, 3, 3, 1)
testSideImport(t, 3, -3, 1)
testSideImport(t, 10, 0, 1)
testSideImport(t, 1, 10, 1)
testSideImport(t, 1, -10, 1)
}
func TestInsertKnownHeaders(t *testing.T) { testInsertKnownChainData(t, "headers") }
@@ -2002,6 +2196,179 @@ func testInsertKnownChainData(t *testing.T, typ string) {
asserter(t, blocks2[len(blocks2)-1])
}
func TestInsertKnownHeadersWithMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "headers", 0)
}
func TestInsertKnownReceiptChainWithMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "receipts", 0)
}
func TestInsertKnownBlocksWithMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "blocks", 0)
}
func TestInsertKnownHeadersAfterMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "headers", 1)
}
func TestInsertKnownReceiptChainAfterMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "receipts", 1)
}
func TestInsertKnownBlocksAfterMerging(t *testing.T) {
testInsertKnownChainDataWithMerging(t, "blocks", 1)
}
// mergeHeight can be assigned in these values:
// 0: means the merging is applied since genesis
// 1: means the merging is applied after the first segment
func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight int) {
// Copy the TestChainConfig so we can modify it during tests
chainConfig := *params.TestChainConfig
var (
db = rawdb.NewMemoryDatabase()
genesis = (&Genesis{BaseFee: big.NewInt(params.InitialBaseFee), Config: &chainConfig}).MustCommit(db)
runMerger = consensus.NewMerger(db)
runEngine = beacon.New(ethash.NewFaker())
genEngine = beacon.New(ethash.NewFaker())
)
applyMerge := func(engine *beacon.Beacon, height int) {
if engine != nil {
runMerger.FinalizePoS()
// Set the terminal total difficulty in the config
chainConfig.TerminalTotalDifficulty = big.NewInt(int64(height))
}
}
// Apply merging since genesis
if mergeHeight == 0 {
applyMerge(genEngine, 0)
}
blocks, receipts := GenerateChain(&chainConfig, genesis, genEngine, db, 32, func(i int, b *BlockGen) { b.SetCoinbase(common.Address{1}) })
// Apply merging after the first segment
if mergeHeight == 1 {
applyMerge(genEngine, len(blocks))
}
// Longer chain and shorter chain
blocks2, receipts2 := GenerateChain(&chainConfig, blocks[len(blocks)-1], genEngine, db, 65, func(i int, b *BlockGen) { b.SetCoinbase(common.Address{1}) })
blocks3, receipts3 := GenerateChain(&chainConfig, blocks[len(blocks)-1], genEngine, db, 64, func(i int, b *BlockGen) {
b.SetCoinbase(common.Address{1})
b.OffsetTime(-9) // Time shifted, difficulty shouldn't be changed
})
// Import the shared chain and the original canonical one
dir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(dir)
chaindb, err := rawdb.NewDatabaseWithFreezer(rawdb.NewMemoryDatabase(), dir, "", false)
if err != nil {
t.Fatalf("failed to create temp freezer db: %v", err)
}
(&Genesis{BaseFee: big.NewInt(params.InitialBaseFee)}).MustCommit(chaindb)
defer os.RemoveAll(dir)
chain, err := NewBlockChain(chaindb, nil, &chainConfig, runEngine, vm.Config{}, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
}
var (
inserter func(blocks []*types.Block, receipts []types.Receipts) error
asserter func(t *testing.T, block *types.Block)
)
if typ == "headers" {
inserter = func(blocks []*types.Block, receipts []types.Receipts) error {
headers := make([]*types.Header, 0, len(blocks))
for _, block := range blocks {
headers = append(headers, block.Header())
}
_, err := chain.InsertHeaderChain(headers, 1)
return err
}
asserter = func(t *testing.T, block *types.Block) {
if chain.CurrentHeader().Hash() != block.Hash() {
t.Fatalf("current head header mismatch, have %v, want %v", chain.CurrentHeader().Hash().Hex(), block.Hash().Hex())
}
}
} else if typ == "receipts" {
inserter = func(blocks []*types.Block, receipts []types.Receipts) error {
headers := make([]*types.Header, 0, len(blocks))
for _, block := range blocks {
headers = append(headers, block.Header())
}
_, err := chain.InsertHeaderChain(headers, 1)
if err != nil {
return err
}
_, err = chain.InsertReceiptChain(blocks, receipts, 0)
return err
}
asserter = func(t *testing.T, block *types.Block) {
if chain.CurrentFastBlock().Hash() != block.Hash() {
t.Fatalf("current head fast block mismatch, have %v, want %v", chain.CurrentFastBlock().Hash().Hex(), block.Hash().Hex())
}
}
} else {
inserter = func(blocks []*types.Block, receipts []types.Receipts) error {
_, err := chain.InsertChain(blocks)
return err
}
asserter = func(t *testing.T, block *types.Block) {
if chain.CurrentBlock().Hash() != block.Hash() {
t.Fatalf("current head block mismatch, have %v, want %v", chain.CurrentBlock().Hash().Hex(), block.Hash().Hex())
}
}
}
// Apply merging since genesis if required
if mergeHeight == 0 {
applyMerge(runEngine, 0)
}
if err := inserter(blocks, receipts); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
// Reimport the chain data again. All the imported
// chain data are regarded "known" data.
if err := inserter(blocks, receipts); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
asserter(t, blocks[len(blocks)-1])
// Import a long canonical chain with some known data as prefix.
rollback := blocks[len(blocks)/2].NumberU64()
chain.SetHead(rollback - 1)
if err := inserter(blocks, receipts); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
asserter(t, blocks[len(blocks)-1])
// Apply merging after the first segment
if mergeHeight == 1 {
applyMerge(runEngine, len(blocks))
}
// Import a longer chain with some known data as prefix.
if err := inserter(append(blocks, blocks2...), append(receipts, receipts2...)); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
asserter(t, blocks2[len(blocks2)-1])
// Import a shorter chain with some known data as prefix.
// The reorg is expected since the fork choice rule is
// already changed.
if err := inserter(append(blocks, blocks3...), append(receipts, receipts3...)); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
// The head shouldn't change.
asserter(t, blocks3[len(blocks3)-1])
// Reimport the longer chain again, the reorg is still expected
chain.SetHead(rollback - 1)
if err := inserter(append(blocks, blocks2...), append(receipts, receipts2...)); err != nil {
t.Fatalf("failed to insert chain data: %v", err)
}
asserter(t, blocks2[len(blocks2)-1])
}
// getLongAndShortChains returns two chains: A is longer, B is heavier.
func getLongAndShortChains() (bc *BlockChain, longChain []*types.Block, heavyChain []*types.Block, err error) {
// Generate a canonical chain to act as the main dataset
@@ -2270,7 +2637,7 @@ func TestTransactionIndices(t *testing.T) {
}
}
func TestSkipStaleTxIndicesInFastSync(t *testing.T) {
func TestSkipStaleTxIndicesInSnapSync(t *testing.T) {
// Configure and generate a sample block chain
var (
gendb = rawdb.NewMemoryDatabase()
@@ -2482,6 +2849,7 @@ func TestSideImportPrunedBlocks(t *testing.T) {
// Generate and import the canonical chain
blocks, _ := GenerateChain(params.TestChainConfig, genesis, engine, db, 2*TriesInMemory, nil)
diskdb := rawdb.NewMemoryDatabase()
(&Genesis{BaseFee: big.NewInt(params.InitialBaseFee)}).MustCommit(diskdb)
chain, err := NewBlockChain(diskdb, nil, params.TestChainConfig, engine, vm.Config{}, nil, nil)
if err != nil {
@@ -2690,7 +3058,7 @@ func TestDeleteRecreateSlots(t *testing.T) {
gspec.MustCommit(diskdb)
chain, err := NewBlockChain(diskdb, nil, params.TestChainConfig, engine, vm.Config{
Debug: true,
Tracer: vm.NewJSONLogger(nil, os.Stdout),
Tracer: logger.NewJSONLogger(nil, os.Stdout),
}, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
@@ -2770,7 +3138,7 @@ func TestDeleteRecreateAccount(t *testing.T) {
gspec.MustCommit(diskdb)
chain, err := NewBlockChain(diskdb, nil, params.TestChainConfig, engine, vm.Config{
Debug: true,
Tracer: vm.NewJSONLogger(nil, os.Stdout),
Tracer: logger.NewJSONLogger(nil, os.Stdout),
}, nil, nil)
if err != nil {
t.Fatalf("failed to create tester chain: %v", err)
core/chain_makers.go
+35
View File
@@ -155,6 +155,28 @@ func (b *BlockGen) TxNonce(addr common.Address) uint64 {
// AddUncle adds an uncle header to the generated block.
func (b *BlockGen) AddUncle(h *types.Header) {
// The uncle will have the same timestamp and auto-generated difficulty
h.Time = b.header.Time
var parent *types.Header
for i := b.i - 1; i >= 0; i-- {
if b.chain[i].Hash() == h.ParentHash {
parent = b.chain[i].Header()
break
}
}
chainreader := &fakeChainReader{config: b.config}
h.Difficulty = b.engine.CalcDifficulty(chainreader, b.header.Time, parent)
// The gas limit and price should be derived from the parent
h.GasLimit = parent.GasLimit
if b.config.IsLondon(h.Number) {
h.BaseFee = misc.CalcBaseFee(b.config, parent)
if !b.config.IsLondon(parent.Number) {
parentGasLimit := parent.GasLimit * params.ElasticityMultiplier
h.GasLimit = CalcGasLimit(parentGasLimit, parentGasLimit)
}
}
b.uncles = append(b.uncles, h)
}
@@ -205,6 +227,18 @@ func GenerateChain(config *params.ChainConfig, parent *types.Block, engine conse
b := &BlockGen{i: i, chain: blocks, parent: parent, statedb: statedb, config: config, engine: engine}
b.header = makeHeader(chainreader, parent, statedb, b.engine)
// Set the difficulty for clique block. The chain maker doesn't have access
// to a chain, so the difficulty will be left unset (nil). Set it here to the
// correct value.
if b.header.Difficulty == nil {
if config.TerminalTotalDifficulty == nil {
// Clique chain
b.header.Difficulty = big.NewInt(2)
} else {
// Post-merge chain
b.header.Difficulty = big.NewInt(0)
}
}
// Mutate the state and block according to any hard-fork specs
if daoBlock := config.DAOForkBlock; daoBlock != nil {
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
@@ -313,3 +347,4 @@ func (cr *fakeChainReader) GetHeaderByNumber(number uint64) *types.Header
func (cr *fakeChainReader) GetHeaderByHash(hash common.Hash) *types.Header { return nil }
func (cr *fakeChainReader) GetHeader(hash common.Hash, number uint64) *types.Header { return nil }
func (cr *fakeChainReader) GetBlock(hash common.Hash, number uint64) *types.Block { return nil }
func (cr *fakeChainReader) GetTd(hash common.Hash, number uint64) *big.Int { return nil }
core/forkchoice.go
+108
View File
@@ -0,0 +1,108 @@
// Copyright 2021 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 (
crand "crypto/rand"
"errors"
"math/big"
mrand "math/rand"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
)
// ChainReader defines a small collection of methods needed to access the local
// blockchain during header verification. It's implemented by both blockchain
// and lightchain.
type ChainReader interface {
// Config retrieves the header chain's chain configuration.
Config() *params.ChainConfig
// GetTd returns the total difficulty of a local block.
GetTd(common.Hash, uint64) *big.Int
}
// ForkChoice is the fork chooser based on the highest total difficulty of the
// chain(the fork choice used in the eth1) and the external fork choice (the fork
// choice used in the eth2). This main goal of this ForkChoice is not only for
// offering fork choice during the eth1/2 merge phase, but also keep the compatibility
// for all other proof-of-work networks.
type ForkChoice struct {
chain ChainReader
rand *mrand.Rand
// preserve is a helper function used in td fork choice.
// Miners will prefer to choose the local mined block if the
// local td is equal to the extern one. It can be nil for light
// client
preserve func(header *types.Header) bool
}
func NewForkChoice(chainReader ChainReader, preserve func(header *types.Header) bool) *ForkChoice {
// Seed a fast but crypto originating random generator
seed, err := crand.Int(crand.Reader, big.NewInt(math.MaxInt64))
if err != nil {
log.Crit("Failed to initialize random seed", "err", err)
}
return &ForkChoice{
chain: chainReader,
rand: mrand.New(mrand.NewSource(seed.Int64())),
preserve: preserve,
}
}
// ReorgNeeded returns whether the reorg should be applied
// based on the given external header and local canonical chain.
// In the td mode, the new head is chosen if the corresponding
// total difficulty is higher. In the extern mode, the trusted
// header is always selected as the head.
func (f *ForkChoice) ReorgNeeded(current *types.Header, header *types.Header) (bool, error) {
var (
localTD = f.chain.GetTd(current.Hash(), current.Number.Uint64())
externTd = f.chain.GetTd(header.Hash(), header.Number.Uint64())
)
if localTD == nil || externTd == nil {
return false, errors.New("missing td")
}
// Accept the new header as the chain head if the transition
// is already triggered. We assume all the headers after the
// transition come from the trusted consensus layer.
if ttd := f.chain.Config().TerminalTotalDifficulty; ttd != nil && ttd.Cmp(externTd) <= 0 {
return true, nil
}
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
reorg := externTd.Cmp(localTD) > 0
if !reorg && externTd.Cmp(localTD) == 0 {
number, headNumber := header.Number.Uint64(), current.Number.Uint64()
if number < headNumber {
reorg = true
} else if number == headNumber {
var currentPreserve, externPreserve bool
if f.preserve != nil {
currentPreserve, externPreserve = f.preserve(current), f.preserve(header)
}
reorg = !currentPreserve && (externPreserve || f.rand.Float64() < 0.5)
}
}
return reorg, nil
}
core/forkid/forkid_test.go
+36 -1
View File
@@ -19,6 +19,7 @@ package forkid
import (
"bytes"
"math"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
@@ -29,6 +30,8 @@ import (
// TestCreation tests that different genesis and fork rule combinations result in
// the correct fork ID.
func TestCreation(t *testing.T) {
mergeConfig := *params.MainnetChainConfig
mergeConfig.MergeForkBlock = big.NewInt(15000000)
type testcase struct {
head uint64
want ID
@@ -65,7 +68,7 @@ func TestCreation(t *testing.T) {
{12964999, ID{Hash: checksumToBytes(0x0eb440f6), Next: 12965000}}, // Last Berlin block
{12965000, ID{Hash: checksumToBytes(0xb715077d), Next: 13773000}}, // First London block
{13772999, ID{Hash: checksumToBytes(0xb715077d), Next: 13773000}}, // Last London block
{13773000, ID{Hash: checksumToBytes(0x20c327fc), Next: 0}}, /// First Arrow Glacier block
{13773000, ID{Hash: checksumToBytes(0x20c327fc), Next: 0}}, // First Arrow Glacier block
{20000000, ID{Hash: checksumToBytes(0x20c327fc), Next: 0}}, // Future Arrow Glacier block
},
},
@@ -133,6 +136,38 @@ func TestCreation(t *testing.T) {
{6000000, ID{Hash: checksumToBytes(0xB8C6299D), Next: 0}}, // Future London block
},
},
// Merge test cases
{
&mergeConfig,
params.MainnetGenesisHash,
[]testcase{
{0, ID{Hash: checksumToBytes(0xfc64ec04), Next: 1150000}}, // Unsynced
{1149999, ID{Hash: checksumToBytes(0xfc64ec04), Next: 1150000}}, // Last Frontier block
{1150000, ID{Hash: checksumToBytes(0x97c2c34c), Next: 1920000}}, // First Homestead block
{1919999, ID{Hash: checksumToBytes(0x97c2c34c), Next: 1920000}}, // Last Homestead block
{1920000, ID{Hash: checksumToBytes(0x91d1f948), Next: 2463000}}, // First DAO block
{2462999, ID{Hash: checksumToBytes(0x91d1f948), Next: 2463000}}, // Last DAO block
{2463000, ID{Hash: checksumToBytes(0x7a64da13), Next: 2675000}}, // First Tangerine block
{2674999, ID{Hash: checksumToBytes(0x7a64da13), Next: 2675000}}, // Last Tangerine block
{2675000, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}}, // First Spurious block
{4369999, ID{Hash: checksumToBytes(0x3edd5b10), Next: 4370000}}, // Last Spurious block
{4370000, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}}, // First Byzantium block
{7279999, ID{Hash: checksumToBytes(0xa00bc324), Next: 7280000}}, // Last Byzantium block
{7280000, ID{Hash: checksumToBytes(0x668db0af), Next: 9069000}}, // First and last Constantinople, first Petersburg block
{9068999, ID{Hash: checksumToBytes(0x668db0af), Next: 9069000}}, // Last Petersburg block
{9069000, ID{Hash: checksumToBytes(0x879d6e30), Next: 9200000}}, // First Istanbul and first Muir Glacier block
{9199999, ID{Hash: checksumToBytes(0x879d6e30), Next: 9200000}}, // Last Istanbul and first Muir Glacier block
{9200000, ID{Hash: checksumToBytes(0xe029e991), Next: 12244000}}, // First Muir Glacier block
{12243999, ID{Hash: checksumToBytes(0xe029e991), Next: 12244000}}, // Last Muir Glacier block
{12244000, ID{Hash: checksumToBytes(0x0eb440f6), Next: 12965000}}, // First Berlin block
{12964999, ID{Hash: checksumToBytes(0x0eb440f6), Next: 12965000}}, // Last Berlin block
{12965000, ID{Hash: checksumToBytes(0xb715077d), Next: 13773000}}, // First London block
{13772999, ID{Hash: checksumToBytes(0xb715077d), Next: 13773000}}, // Last London block
{13773000, ID{Hash: checksumToBytes(0x20c327fc), Next: 15000000}}, // First Arrow Glacier block
{15000000, ID{Hash: checksumToBytes(0xe3abe201), Next: 0}}, // First Merge Start block
{20000000, ID{Hash: checksumToBytes(0xe3abe201), Next: 0}}, // Future Merge Start block
},
},
}
for i, tt := range tests {
for j, ttt := range tt.cases {
core/genesis.go
+5 -2
View File
@@ -155,10 +155,10 @@ func (e *GenesisMismatchError) Error() string {
//
// The returned chain configuration is never nil.
func SetupGenesisBlock(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, common.Hash, error) {
return SetupGenesisBlockWithOverride(db, genesis, nil)
return SetupGenesisBlockWithOverride(db, genesis, nil, nil)
}
func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, overrideArrowGlacier *big.Int) (*params.ChainConfig, common.Hash, error) {
func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, overrideArrowGlacier, overrideTerminalTotalDifficulty *big.Int) (*params.ChainConfig, common.Hash, error) {
if genesis != nil && genesis.Config == nil {
return params.AllEthashProtocolChanges, common.Hash{}, errGenesisNoConfig
}
@@ -207,6 +207,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, override
if overrideArrowGlacier != nil {
newcfg.ArrowGlacierBlock = overrideArrowGlacier
}
if overrideTerminalTotalDifficulty != nil {
newcfg.TerminalTotalDifficulty = overrideTerminalTotalDifficulty
}
if err := newcfg.CheckConfigForkOrder(); err != nil {
return newcfg, common.Hash{}, err
}
core/headerchain.go
+170 -126
View File
@@ -33,6 +33,7 @@ import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
lru "github.com/hashicorp/golang-lru"
)
@@ -49,15 +50,14 @@ const (
// HeaderChain is responsible for maintaining the header chain including the
// header query and updating.
//
// The components maintained by headerchain includes: (1) total difficult
// The components maintained by headerchain includes: (1) total difficulty
// (2) header (3) block hash -> number mapping (4) canonical number -> hash mapping
// and (5) head header flag.
//
// It is not thread safe either, the encapsulating chain structures should do
// the necessary mutex locking/unlocking.
type HeaderChain struct {
config *params.ChainConfig
config *params.ChainConfig
chainDb ethdb.Database
genesisHeader *types.Header
@@ -86,7 +86,6 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, engine c
if err != nil {
return nil, err
}
hc := &HeaderChain{
config: config,
chainDb: chainDb,
@@ -97,12 +96,10 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, engine c
rand: mrand.New(mrand.NewSource(seed.Int64())),
engine: engine,
}
hc.genesisHeader = hc.GetHeaderByNumber(0)
if hc.genesisHeader == nil {
return nil, ErrNoGenesis
}
hc.currentHeader.Store(hc.genesisHeader)
if head := rawdb.ReadHeadBlockHash(chainDb); head != (common.Hash{}) {
if chead := hc.GetHeaderByHash(head); chead != nil {
@@ -111,7 +108,6 @@ func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, engine c
}
hc.currentHeaderHash = hc.CurrentHeader().Hash()
headHeaderGauge.Update(hc.CurrentHeader().Number.Int64())
return hc, nil
}
@@ -137,35 +133,93 @@ type headerWriteResult struct {
lastHeader *types.Header
}
// WriteHeaders writes a chain of headers into the local chain, given that the parents
// are already known. If the total difficulty of the newly inserted chain becomes
// greater than the current known TD, the canonical chain is reorged.
//
// Note: This method is not concurrent-safe with inserting blocks simultaneously
// into the chain, as side effects caused by reorganisations cannot be emulated
// without the real blocks. Hence, writing headers directly should only be done
// in two scenarios: pure-header mode of operation (light clients), or properly
// separated header/block phases (non-archive clients).
func (hc *HeaderChain) writeHeaders(headers []*types.Header) (result *headerWriteResult, err error) {
// Reorg reorgs the local canonical chain into the specified chain. The reorg
// can be classified into two cases: (a) extend the local chain (b) switch the
// head to the given header.
func (hc *HeaderChain) Reorg(headers []*types.Header) error {
// Short circuit if nothing to reorg.
if len(headers) == 0 {
return &headerWriteResult{}, nil
return nil
}
// If the parent of the (first) block is already the canon header,
// we don't have to go backwards to delete canon blocks, but simply
// pile them onto the existing chain. Otherwise, do the necessary
// reorgs.
var (
first = headers[0]
last = headers[len(headers)-1]
batch = hc.chainDb.NewBatch()
)
if first.ParentHash != hc.currentHeaderHash {
// Delete any canonical number assignments above the new head
for i := last.Number.Uint64() + 1; ; i++ {
hash := rawdb.ReadCanonicalHash(hc.chainDb, i)
if hash == (common.Hash{}) {
break
}
rawdb.DeleteCanonicalHash(batch, i)
}
// Overwrite any stale canonical number assignments, going
// backwards from the first header in this import until the
// cross link between two chains.
var (
header = first
headNumber = header.Number.Uint64()
headHash = header.Hash()
)
for rawdb.ReadCanonicalHash(hc.chainDb, headNumber) != headHash {
rawdb.WriteCanonicalHash(batch, headHash, headNumber)
if headNumber == 0 {
break // It shouldn't be reached
}
headHash, headNumber = header.ParentHash, header.Number.Uint64()-1
header = hc.GetHeader(headHash, headNumber)
if header == nil {
return fmt.Errorf("missing parent %d %x", headNumber, headHash)
}
}
}
// Extend the canonical chain with the new headers
for i := 0; i < len(headers)-1; i++ {
hash := headers[i+1].ParentHash // Save some extra hashing
num := headers[i].Number.Uint64()
rawdb.WriteCanonicalHash(batch, hash, num)
rawdb.WriteHeadHeaderHash(batch, hash)
}
// Write the last header
hash := headers[len(headers)-1].Hash()
num := headers[len(headers)-1].Number.Uint64()
rawdb.WriteCanonicalHash(batch, hash, num)
rawdb.WriteHeadHeaderHash(batch, hash)
if err := batch.Write(); err != nil {
return err
}
// Last step update all in-memory head header markers
hc.currentHeaderHash = last.Hash()
hc.currentHeader.Store(types.CopyHeader(last))
headHeaderGauge.Update(last.Number.Int64())
return nil
}
// WriteHeaders writes a chain of headers into the local chain, given that the
// parents are already known. The chain head header won't be updated in this
// function, the additional setChainHead is expected in order to finish the entire
// procedure.
func (hc *HeaderChain) WriteHeaders(headers []*types.Header) (int, error) {
if len(headers) == 0 {
return 0, nil
}
ptd := hc.GetTd(headers[0].ParentHash, headers[0].Number.Uint64()-1)
if ptd == nil {
return &headerWriteResult{}, consensus.ErrUnknownAncestor
return 0, consensus.ErrUnknownAncestor
}
var (
lastNumber = headers[0].Number.Uint64() - 1 // Last successfully imported number
lastHash = headers[0].ParentHash // Last imported header hash
newTD = new(big.Int).Set(ptd) // Total difficulty of inserted chain
lastHeader *types.Header
inserted []numberHash // Ephemeral lookup of number/hash for the chain
firstInserted = -1 // Index of the first non-ignored header
newTD = new(big.Int).Set(ptd) // Total difficulty of inserted chain
inserted []rawdb.NumberHash // Ephemeral lookup of number/hash for the chain
parentKnown = true // Set to true to force hc.HasHeader check the first iteration
batch = hc.chainDb.NewBatch()
)
batch := hc.chainDb.NewBatch()
parentKnown := true // Set to true to force hc.HasHeader check the first iteration
for i, header := range headers {
var hash common.Hash
// The headers have already been validated at this point, so we already
@@ -188,116 +242,67 @@ func (hc *HeaderChain) writeHeaders(headers []*types.Header) (result *headerWrit
hc.tdCache.Add(hash, new(big.Int).Set(newTD))
rawdb.WriteHeader(batch, header)
inserted = append(inserted, numberHash{number, hash})
inserted = append(inserted, rawdb.NumberHash{Number: number, Hash: hash})
hc.headerCache.Add(hash, header)
hc.numberCache.Add(hash, number)
if firstInserted < 0 {
firstInserted = i
}
}
parentKnown = alreadyKnown
lastHeader, lastHash, lastNumber = header, hash, number
}
// Skip the slow disk write of all headers if interrupted.
if hc.procInterrupt() {
log.Debug("Premature abort during headers import")
return &headerWriteResult{}, errors.New("aborted")
return 0, errors.New("aborted")
}
// Commit to disk!
if err := batch.Write(); err != nil {
log.Crit("Failed to write headers", "error", err)
}
batch.Reset()
return len(inserted), nil
}
// writeHeadersAndSetHead writes a batch of block headers and applies the last
// header as the chain head if the fork choicer says it's ok to update the chain.
// Note: This method is not concurrent-safe with inserting blocks simultaneously
// into the chain, as side effects caused by reorganisations cannot be emulated
// without the real blocks. Hence, writing headers directly should only be done
// in two scenarios: pure-header mode of operation (light clients), or properly
// separated header/block phases (non-archive clients).
func (hc *HeaderChain) writeHeadersAndSetHead(headers []*types.Header, forker *ForkChoice) (*headerWriteResult, error) {
inserted, err := hc.WriteHeaders(headers)
if err != nil {
return nil, err
}
var (
head = hc.CurrentHeader().Number.Uint64()
localTD = hc.GetTd(hc.currentHeaderHash, head)
status = SideStatTy
lastHeader = headers[len(headers)-1]
lastHash = headers[len(headers)-1].Hash()
result = &headerWriteResult{
status: NonStatTy,
ignored: len(headers) - inserted,
imported: inserted,
lastHash: lastHash,
lastHeader: lastHeader,
}
)
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
reorg := newTD.Cmp(localTD) > 0
if !reorg && newTD.Cmp(localTD) == 0 {
if lastNumber < head {
reorg = true
} else if lastNumber == head {
reorg = mrand.Float64() < 0.5
// Ask the fork choicer if the reorg is necessary
if reorg, err := forker.ReorgNeeded(hc.CurrentHeader(), lastHeader); err != nil {
return nil, err
} else if !reorg {
if inserted != 0 {
result.status = SideStatTy
}
return result, nil
}
// If the parent of the (first) block is already the canon header,
// we don't have to go backwards to delete canon blocks, but
// simply pile them onto the existing chain
chainAlreadyCanon := headers[0].ParentHash == hc.currentHeaderHash
if reorg {
// If the header can be added into canonical chain, adjust the
// header chain markers(canonical indexes and head header flag).
//
// Note all markers should be written atomically.
markerBatch := batch // we can reuse the batch to keep allocs down
if !chainAlreadyCanon {
// Delete any canonical number assignments above the new head
for i := lastNumber + 1; ; i++ {
hash := rawdb.ReadCanonicalHash(hc.chainDb, i)
if hash == (common.Hash{}) {
break
}
rawdb.DeleteCanonicalHash(markerBatch, i)
}
// Overwrite any stale canonical number assignments, going
// backwards from the first header in this import
var (
headHash = headers[0].ParentHash // inserted[0].parent?
headNumber = headers[0].Number.Uint64() - 1 // inserted[0].num-1 ?
headHeader = hc.GetHeader(headHash, headNumber)
)
for rawdb.ReadCanonicalHash(hc.chainDb, headNumber) != headHash {
rawdb.WriteCanonicalHash(markerBatch, headHash, headNumber)
headHash = headHeader.ParentHash
headNumber = headHeader.Number.Uint64() - 1
headHeader = hc.GetHeader(headHash, headNumber)
}
// If some of the older headers were already known, but obtained canon-status
// during this import batch, then we need to write that now
// Further down, we continue writing the staus for the ones that
// were not already known
for i := 0; i < firstInserted; i++ {
hash := headers[i].Hash()
num := headers[i].Number.Uint64()
rawdb.WriteCanonicalHash(markerBatch, hash, num)
rawdb.WriteHeadHeaderHash(markerBatch, hash)
}
}
// Extend the canonical chain with the new headers
for _, hn := range inserted {
rawdb.WriteCanonicalHash(markerBatch, hn.hash, hn.number)
rawdb.WriteHeadHeaderHash(markerBatch, hn.hash)
}
if err := markerBatch.Write(); err != nil {
log.Crit("Failed to write header markers into disk", "err", err)
}
markerBatch.Reset()
// Last step update all in-memory head header markers
hc.currentHeaderHash = lastHash
hc.currentHeader.Store(types.CopyHeader(lastHeader))
headHeaderGauge.Update(lastHeader.Number.Int64())
// Chain status is canonical since this insert was a reorg.
// Note that all inserts which have higher TD than existing are 'reorg'.
status = CanonStatTy
// Special case, all the inserted headers are already on the canonical
// header chain, skip the reorg operation.
if hc.GetCanonicalHash(lastHeader.Number.Uint64()) == lastHash && lastHeader.Number.Uint64() <= hc.CurrentHeader().Number.Uint64() {
return result, nil
}
if len(inserted) == 0 {
status = NonStatTy
// Apply the reorg operation
if err := hc.Reorg(headers); err != nil {
return nil, err
}
return &headerWriteResult{
status: status,
ignored: len(headers) - len(inserted),
imported: len(inserted),
lastHash: lastHash,
lastHeader: lastHeader,
}, nil
result.status = CanonStatTy
return result, nil
}
func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int) (int, error) {
@@ -357,7 +362,7 @@ func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int)
return 0, nil
}
// InsertHeaderChain inserts the given headers.
// InsertHeaderChain inserts the given headers and does the reorganisations.
//
// The validity of the headers is NOT CHECKED by this method, i.e. they need to be
// validated by ValidateHeaderChain before calling InsertHeaderChain.
@@ -367,20 +372,19 @@ func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int)
//
// The returned 'write status' says if the inserted headers are part of the canonical chain
// or a side chain.
func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, start time.Time) (WriteStatus, error) {
func (hc *HeaderChain) InsertHeaderChain(chain []*types.Header, start time.Time, forker *ForkChoice) (WriteStatus, error) {
if hc.procInterrupt() {
return 0, errors.New("aborted")
}
res, err := hc.writeHeaders(chain)
res, err := hc.writeHeadersAndSetHead(chain, forker)
if err != nil {
return 0, err
}
// Report some public statistics so the user has a clue what's going on
context := []interface{}{
"count", res.imported,
"elapsed", common.PrettyDuration(time.Since(start)),
}
if err != nil {
context = append(context, "err", err)
}
if last := res.lastHeader; last != nil {
context = append(context, "number", last.Number, "hash", res.lastHash)
if timestamp := time.Unix(int64(last.Time), 0); time.Since(timestamp) > time.Minute {
@@ -495,6 +499,46 @@ func (hc *HeaderChain) GetHeaderByNumber(number uint64) *types.Header {
return hc.GetHeader(hash, number)
}
// GetHeadersFrom returns a contiguous segment of headers, in rlp-form, going
// backwards from the given number.
// If the 'number' is higher than the highest local header, this method will
// return a best-effort response, containing the headers that we do have.
func (hc *HeaderChain) GetHeadersFrom(number, count uint64) []rlp.RawValue {
// If the request is for future headers, we still return the portion of
// headers that we are able to serve
if current := hc.CurrentHeader().Number.Uint64(); current < number {
if count > number-current {
count -= number - current
number = current
} else {
return nil
}
}
var headers []rlp.RawValue
// If we have some of the headers in cache already, use that before going to db.
hash := rawdb.ReadCanonicalHash(hc.chainDb, number)
if hash == (common.Hash{}) {
return nil
}
for count > 0 {
header, ok := hc.headerCache.Get(hash)
if !ok {
break
}
h := header.(*types.Header)
rlpData, _ := rlp.EncodeToBytes(h)
headers = append(headers, rlpData)
hash = h.ParentHash
count--
number--
}
// Read remaining from db
if count > 0 {
headers = append(headers, rawdb.ReadHeaderRange(hc.chainDb, number, count)...)
}
return headers
}
func (hc *HeaderChain) GetCanonicalHash(number uint64) common.Hash {
return rawdb.ReadCanonicalHash(hc.chainDb, number)
}
core/headerchain_test.go
+13 -12
View File
@@ -51,10 +51,10 @@ func verifyUnbrokenCanonchain(hc *HeaderChain) error {
return nil
}
func testInsert(t *testing.T, hc *HeaderChain, chain []*types.Header, wantStatus WriteStatus, wantErr error) {
func testInsert(t *testing.T, hc *HeaderChain, chain []*types.Header, wantStatus WriteStatus, wantErr error, forker *ForkChoice) {
t.Helper()
status, err := hc.InsertHeaderChain(chain, time.Now())
status, err := hc.InsertHeaderChain(chain, time.Now(), forker)
if status != wantStatus {
t.Errorf("wrong write status from InsertHeaderChain: got %v, want %v", status, wantStatus)
}
@@ -80,37 +80,38 @@ func TestHeaderInsertion(t *testing.T) {
}
// chain A: G->A1->A2...A128
chainA := makeHeaderChain(genesis.Header(), 128, ethash.NewFaker(), db, 10)
// chain B: G->A1->B2...B128
// chain B: G->A1->B1...B128
chainB := makeHeaderChain(chainA[0], 128, ethash.NewFaker(), db, 10)
log.Root().SetHandler(log.StdoutHandler)
forker := NewForkChoice(hc, nil)
// Inserting 64 headers on an empty chain, expecting
// 1 callbacks, 1 canon-status, 0 sidestatus,
testInsert(t, hc, chainA[:64], CanonStatTy, nil)
testInsert(t, hc, chainA[:64], CanonStatTy, nil, forker)
// Inserting 64 identical headers, expecting
// 0 callbacks, 0 canon-status, 0 sidestatus,
testInsert(t, hc, chainA[:64], NonStatTy, nil)
testInsert(t, hc, chainA[:64], NonStatTy, nil, forker)
// Inserting the same some old, some new headers
// 1 callbacks, 1 canon, 0 side
testInsert(t, hc, chainA[32:96], CanonStatTy, nil)
testInsert(t, hc, chainA[32:96], CanonStatTy, nil, forker)
// Inserting side blocks, but not overtaking the canon chain
testInsert(t, hc, chainB[0:32], SideStatTy, nil)
testInsert(t, hc, chainB[0:32], SideStatTy, nil, forker)
// Inserting more side blocks, but we don't have the parent
testInsert(t, hc, chainB[34:36], NonStatTy, consensus.ErrUnknownAncestor)
testInsert(t, hc, chainB[34:36], NonStatTy, consensus.ErrUnknownAncestor, forker)
// Inserting more sideblocks, overtaking the canon chain
testInsert(t, hc, chainB[32:97], CanonStatTy, nil)
testInsert(t, hc, chainB[32:97], CanonStatTy, nil, forker)
// Inserting more A-headers, taking back the canonicality
testInsert(t, hc, chainA[90:100], CanonStatTy, nil)
testInsert(t, hc, chainA[90:100], CanonStatTy, nil, forker)
// And B becomes canon again
testInsert(t, hc, chainB[97:107], CanonStatTy, nil)
testInsert(t, hc, chainB[97:107], CanonStatTy, nil, forker)
// And B becomes even longer
testInsert(t, hc, chainB[107:128], CanonStatTy, nil)
testInsert(t, hc, chainB[107:128], CanonStatTy, nil, forker)
}
core/rawdb/accessors_chain.go
+51 -19
View File
@@ -242,24 +242,6 @@ func WriteLastPivotNumber(db ethdb.KeyValueWriter, pivot uint64) {
}
}
// ReadFastTrieProgress retrieves the number of tries nodes fast synced to allow
// reporting correct numbers across restarts.
func ReadFastTrieProgress(db ethdb.KeyValueReader) uint64 {
data, _ := db.Get(fastTrieProgressKey)
if len(data) == 0 {
return 0
}
return new(big.Int).SetBytes(data).Uint64()
}
// WriteFastTrieProgress stores the fast sync trie process counter to support
// retrieving it across restarts.
func WriteFastTrieProgress(db ethdb.KeyValueWriter, count uint64) {
if err := db.Put(fastTrieProgressKey, new(big.Int).SetUint64(count).Bytes()); err != nil {
log.Crit("Failed to store fast sync trie progress", "err", err)
}
}
// ReadTxIndexTail retrieves the number of oldest indexed block
// whose transaction indices has been indexed. If the corresponding entry
// is non-existent in database it means the indexing has been finished.
@@ -297,6 +279,56 @@ func WriteFastTxLookupLimit(db ethdb.KeyValueWriter, number uint64) {
}
}
// ReadHeaderRange returns the rlp-encoded headers, starting at 'number', and going
// backwards towards genesis. This method assumes that the caller already has
// placed a cap on count, to prevent DoS issues.
// Since this method operates in head-towards-genesis mode, it will return an empty
// slice in case the head ('number') is missing. Hence, the caller must ensure that
// the head ('number') argument is actually an existing header.
//
// N.B: Since the input is a number, as opposed to a hash, it's implicit that
// this method only operates on canon headers.
func ReadHeaderRange(db ethdb.Reader, number uint64, count uint64) []rlp.RawValue {
var rlpHeaders []rlp.RawValue
if count == 0 {
return rlpHeaders
}
i := number
if count-1 > number {
// It's ok to request block 0, 1 item
count = number + 1
}
limit, _ := db.Ancients()
// First read live blocks
if i >= limit {
// If we need to read live blocks, we need to figure out the hash first
hash := ReadCanonicalHash(db, number)
for ; i >= limit && count > 0; i-- {
if data, _ := db.Get(headerKey(i, hash)); len(data) > 0 {
rlpHeaders = append(rlpHeaders, data)
// Get the parent hash for next query
hash = types.HeaderParentHashFromRLP(data)
} else {
break // Maybe got moved to ancients
}
count--
}
}
if count == 0 {
return rlpHeaders
}
// read remaining from ancients
max := count * 700
data, err := db.AncientRange(freezerHeaderTable, i+1-count, count, max)
if err == nil && uint64(len(data)) == count {
// the data is on the order [h, h+1, .., n] -- reordering needed
for i := range data {
rlpHeaders = append(rlpHeaders, data[len(data)-1-i])
}
}
return rlpHeaders
}
// ReadHeaderRLP retrieves a block header in its raw RLP database encoding.
func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
var data []byte
@@ -682,7 +714,7 @@ func ReadLogs(db ethdb.Reader, hash common.Hash, number uint64, config *params.C
if logs := readLegacyLogs(db, hash, number, config); logs != nil {
return logs
}
log.Error("Invalid receipt array RLP", "hash", "err", err)
log.Error("Invalid receipt array RLP", "hash", hash, "err", err)
return nil
}
core/rawdb/accessors_chain_test.go
+64
View File
@@ -883,3 +883,67 @@ func BenchmarkDecodeRLPLogs(b *testing.B) {
}
})
}
func TestHeadersRLPStorage(t *testing.T) {
// Have N headers in the freezer
frdir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false)
if err != nil {
t.Fatalf("failed to create database with ancient backend")
}
defer db.Close()
// Create blocks
var chain []*types.Block
var pHash common.Hash
for i := 0; i < 100; i++ {
block := types.NewBlockWithHeader(&types.Header{
Number: big.NewInt(int64(i)),
Extra: []byte("test block"),
UncleHash: types.EmptyUncleHash,
TxHash: types.EmptyRootHash,
ReceiptHash: types.EmptyRootHash,
ParentHash: pHash,
})
chain = append(chain, block)
pHash = block.Hash()
}
var receipts []types.Receipts = make([]types.Receipts, 100)
// Write first half to ancients
WriteAncientBlocks(db, chain[:50], receipts[:50], big.NewInt(100))
// Write second half to db
for i := 50; i < 100; i++ {
WriteCanonicalHash(db, chain[i].Hash(), chain[i].NumberU64())
WriteBlock(db, chain[i])
}
checkSequence := func(from, amount int) {
headersRlp := ReadHeaderRange(db, uint64(from), uint64(amount))
if have, want := len(headersRlp), amount; have != want {
t.Fatalf("have %d headers, want %d", have, want)
}
for i, headerRlp := range headersRlp {
var header types.Header
if err := rlp.DecodeBytes(headerRlp, &header); err != nil {
t.Fatal(err)
}
if have, want := header.Number.Uint64(), uint64(from-i); have != want {
t.Fatalf("wrong number, have %d want %d", have, want)
}
}
}
checkSequence(99, 20) // Latest block and 19 parents
checkSequence(99, 50) // Latest block -> all db blocks
checkSequence(99, 51) // Latest block -> one from ancients
checkSequence(99, 52) // Latest blocks -> two from ancients
checkSequence(50, 2) // One from db, one from ancients
checkSequence(49, 1) // One from ancients
checkSequence(49, 50) // All ancient ones
checkSequence(99, 100) // All blocks
checkSequence(0, 1) // Only genesis
checkSequence(1, 1) // Only block 1
checkSequence(1, 2) // Genesis + block 1
}
core/rawdb/accessors_metadata.go
+35
View File
@@ -138,3 +138,38 @@ func PopUncleanShutdownMarker(db ethdb.KeyValueStore) {
log.Warn("Failed to clear unclean-shutdown marker", "err", err)
}
}
// UpdateUncleanShutdownMarker updates the last marker's timestamp to now.
func UpdateUncleanShutdownMarker(db ethdb.KeyValueStore) {
var uncleanShutdowns crashList
// Read old data
if data, err := db.Get(uncleanShutdownKey); err != nil {
log.Warn("Error reading unclean shutdown markers", "error", err)
} else if err := rlp.DecodeBytes(data, &uncleanShutdowns); err != nil {
log.Warn("Error decoding unclean shutdown markers", "error", err)
}
// This shouldn't happen because we push a marker on Backend instantiation
count := len(uncleanShutdowns.Recent)
if count == 0 {
log.Warn("No unclean shutdown marker to update")
return
}
uncleanShutdowns.Recent[count-1] = uint64(time.Now().Unix())
data, _ := rlp.EncodeToBytes(uncleanShutdowns)
if err := db.Put(uncleanShutdownKey, data); err != nil {
log.Warn("Failed to write unclean-shutdown marker", "err", err)
}
}
// ReadTransitionStatus retrieves the eth2 transition status from the database
func ReadTransitionStatus(db ethdb.KeyValueReader) []byte {
data, _ := db.Get(transitionStatusKey)
return data
}
// WriteTransitionStatus stores the eth2 transition status to the database
func WriteTransitionStatus(db ethdb.KeyValueWriter, data []byte) {
if err := db.Put(transitionStatusKey, data); err != nil {
log.Crit("Failed to store the eth2 transition status", "err", err)
}
}
core/rawdb/accessors_snapshot.go
-8
View File
@@ -208,11 +208,3 @@ func WriteSnapshotSyncStatus(db ethdb.KeyValueWriter, status []byte) {
log.Crit("Failed to store snapshot sync status", "err", err)
}
}
// DeleteSnapshotSyncStatus deletes the serialized sync status saved at the last
// shutdown
func DeleteSnapshotSyncStatus(db ethdb.KeyValueWriter) {
if err := db.Delete(snapshotSyncStatusKey); err != nil {
log.Crit("Failed to remove snapshot sync status", "err", err)
}
}
core/rawdb/chain_iterator.go
+3 -1
View File
@@ -247,7 +247,8 @@ func indexTransactions(db ethdb.Database, from uint64, to uint64, interrupt chan
}
}
// IndexTransactions creates txlookup indices of the specified block range.
// IndexTransactions creates txlookup indices of the specified block range. The from
// is included while to is excluded.
//
// This function iterates canonical chain in reverse order, it has one main advantage:
// We can write tx index tail flag periodically even without the whole indexing
@@ -339,6 +340,7 @@ func unindexTransactions(db ethdb.Database, from uint64, to uint64, interrupt ch
}
// UnindexTransactions removes txlookup indices of the specified block range.
// The from is included while to is excluded.
//
// There is a passed channel, the whole procedure will be interrupted if any
// signal received.
core/rawdb/database.go
+1 -1
View File
@@ -395,7 +395,7 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
databaseVersionKey, headHeaderKey, headBlockKey, headFastBlockKey, lastPivotKey,
fastTrieProgressKey, snapshotDisabledKey, SnapshotRootKey, snapshotJournalKey,
snapshotGeneratorKey, snapshotRecoveryKey, txIndexTailKey, fastTxLookupLimitKey,
uncleanShutdownKey, badBlockKey,
uncleanShutdownKey, badBlockKey, transitionStatusKey,
} {
if bytes.Equal(key, meta) {
metadata.Add(size)
core/rawdb/schema.go
+3
View File
@@ -75,6 +75,9 @@ var (
// uncleanShutdownKey tracks the list of local crashes
uncleanShutdownKey = []byte("unclean-shutdown") // config prefix for the db
// transitionStatusKey tracks the eth2 transition status.
transitionStatusKey = []byte("eth2-transition")
// Data item prefixes (use single byte to avoid mixing data types, avoid `i`, used for indexes).
headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
headerTDSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + headerTDSuffix -> td
core/state/snapshot/generate.go
+2 -2
View File
@@ -48,13 +48,13 @@ var (
// accountCheckRange is the upper limit of the number of accounts involved in
// each range check. This is a value estimated based on experience. If this
// value is too large, the failure rate of range prove will increase. Otherwise
// the the value is too small, the efficiency of the state recovery will decrease.
// the value is too small, the efficiency of the state recovery will decrease.
accountCheckRange = 128
// storageCheckRange is the upper limit of the number of storage slots involved
// in each range check. This is a value estimated based on experience. If this
// value is too large, the failure rate of range prove will increase. Otherwise
// the the value is too small, the efficiency of the state recovery will decrease.
// the value is too small, the efficiency of the state recovery will decrease.
storageCheckRange = 1024
// errMissingTrie is returned if the target trie is missing while the generation
core/state/snapshot/wipe.go
-56
View File
@@ -21,67 +21,11 @@ import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
)
// wipeSnapshot starts a goroutine to iterate over the entire key-value database
// and delete all the data associated with the snapshot (accounts, storage,
// metadata). After all is done, the snapshot range of the database is compacted
// to free up unused data blocks.
func wipeSnapshot(db ethdb.KeyValueStore, full bool) chan struct{} {
// Wipe the snapshot root marker synchronously
if full {
rawdb.DeleteSnapshotRoot(db)
}
// Wipe everything else asynchronously
wiper := make(chan struct{}, 1)
go func() {
if err := wipeContent(db); err != nil {
log.Error("Failed to wipe state snapshot", "err", err) // Database close will trigger this
return
}
close(wiper)
}()
return wiper
}
// wipeContent iterates over the entire key-value database and deletes all the
// data associated with the snapshot (accounts, storage), but not the root hash
// as the wiper is meant to run on a background thread but the root needs to be
// removed in sync to avoid data races. After all is done, the snapshot range of
// the database is compacted to free up unused data blocks.
func wipeContent(db ethdb.KeyValueStore) error {
if err := wipeKeyRange(db, "accounts", rawdb.SnapshotAccountPrefix, nil, nil, len(rawdb.SnapshotAccountPrefix)+common.HashLength, snapWipedAccountMeter, true); err != nil {
return err
}
if err := wipeKeyRange(db, "storage", rawdb.SnapshotStoragePrefix, nil, nil, len(rawdb.SnapshotStoragePrefix)+2*common.HashLength, snapWipedStorageMeter, true); err != nil {
return err
}
// Compact the snapshot section of the database to get rid of unused space
start := time.Now()
log.Info("Compacting snapshot account area ")
end := common.CopyBytes(rawdb.SnapshotAccountPrefix)
end[len(end)-1]++
if err := db.Compact(rawdb.SnapshotAccountPrefix, end); err != nil {
return err
}
log.Info("Compacting snapshot storage area ")
end = common.CopyBytes(rawdb.SnapshotStoragePrefix)
end[len(end)-1]++
if err := db.Compact(rawdb.SnapshotStoragePrefix, end); err != nil {
return err
}
log.Info("Compacted snapshot area in database", "elapsed", common.PrettyDuration(time.Since(start)))
return nil
}
// wipeKeyRange deletes a range of keys from the database starting with prefix
// and having a specific total key length. The start and limit is optional for
// specifying a particular key range for deletion.
core/state/snapshot/wipe_test.go
+29 -74
View File
@@ -30,95 +30,50 @@ import (
func TestWipe(t *testing.T) {
// Create a database with some random snapshot data
db := memorydb.New()
for i := 0; i < 128; i++ {
account := randomHash()
rawdb.WriteAccountSnapshot(db, account, randomHash().Bytes())
for j := 0; j < 1024; j++ {
rawdb.WriteStorageSnapshot(db, account, randomHash(), randomHash().Bytes())
}
rawdb.WriteAccountSnapshot(db, randomHash(), randomHash().Bytes())
}
rawdb.WriteSnapshotRoot(db, randomHash())
// Add some random non-snapshot data too to make wiping harder
for i := 0; i < 65536; i++ {
// Generate a key that's the wrong length for a state snapshot item
var keysize int
for keysize == 0 || keysize == 32 || keysize == 64 {
keysize = 8 + rand.Intn(64) // +8 to ensure we will "never" randomize duplicates
}
// Randomize the suffix, dedup and inject it under the snapshot namespace
keysuffix := make([]byte, keysize)
for i := 0; i < 500; i++ {
// Generate keys with wrong length for a state snapshot item
keysuffix := make([]byte, 31)
rand.Read(keysuffix)
if rand.Int31n(2) == 0 {
db.Put(append(rawdb.SnapshotAccountPrefix, keysuffix...), randomHash().Bytes())
} else {
db.Put(append(rawdb.SnapshotStoragePrefix, keysuffix...), randomHash().Bytes())
db.Put(append(rawdb.SnapshotAccountPrefix, keysuffix...), randomHash().Bytes())
keysuffix = make([]byte, 33)
rand.Read(keysuffix)
db.Put(append(rawdb.SnapshotAccountPrefix, keysuffix...), randomHash().Bytes())
}
count := func() (items int) {
it := db.NewIterator(rawdb.SnapshotAccountPrefix, nil)
defer it.Release()
for it.Next() {
if len(it.Key()) == len(rawdb.SnapshotAccountPrefix)+common.HashLength {
items++
}
}
return items
}
// Sanity check that all the keys are present
var items int
it := db.NewIterator(rawdb.SnapshotAccountPrefix, nil)
defer it.Release()
for it.Next() {
key := it.Key()
if len(key) == len(rawdb.SnapshotAccountPrefix)+common.HashLength {
items++
}
if items := count(); items != 128 {
t.Fatalf("snapshot size mismatch: have %d, want %d", items, 128)
}
it = db.NewIterator(rawdb.SnapshotStoragePrefix, nil)
defer it.Release()
for it.Next() {
key := it.Key()
if len(key) == len(rawdb.SnapshotStoragePrefix)+2*common.HashLength {
items++
}
// Wipe the accounts
if err := wipeKeyRange(db, "accounts", rawdb.SnapshotAccountPrefix, nil, nil,
len(rawdb.SnapshotAccountPrefix)+common.HashLength, snapWipedAccountMeter, true); err != nil {
t.Fatal(err)
}
if items != 128+128*1024 {
t.Fatalf("snapshot size mismatch: have %d, want %d", items, 128+128*1024)
}
if hash := rawdb.ReadSnapshotRoot(db); hash == (common.Hash{}) {
t.Errorf("snapshot block marker mismatch: have %#x, want <not-nil>", hash)
}
// Wipe all snapshot entries from the database
<-wipeSnapshot(db, true)
// Iterate over the database end ensure no snapshot information remains
it = db.NewIterator(rawdb.SnapshotAccountPrefix, nil)
defer it.Release()
for it.Next() {
key := it.Key()
if len(key) == len(rawdb.SnapshotAccountPrefix)+common.HashLength {
t.Errorf("snapshot entry remained after wipe: %x", key)
}
}
it = db.NewIterator(rawdb.SnapshotStoragePrefix, nil)
defer it.Release()
for it.Next() {
key := it.Key()
if len(key) == len(rawdb.SnapshotStoragePrefix)+2*common.HashLength {
t.Errorf("snapshot entry remained after wipe: %x", key)
}
}
if hash := rawdb.ReadSnapshotRoot(db); hash != (common.Hash{}) {
t.Errorf("snapshot block marker remained after wipe: %#x", hash)
if items := count(); items != 0 {
t.Fatalf("snapshot size mismatch: have %d, want %d", items, 0)
}
// Iterate over the database and ensure miscellaneous items are present
items = 0
it = db.NewIterator(nil, nil)
items := 0
it := db.NewIterator(nil, nil)
defer it.Release()
for it.Next() {
items++
}
if items != 65536 {
t.Fatalf("misc item count mismatch: have %d, want %d", items, 65536)
if items != 1000 {
t.Fatalf("misc item count mismatch: have %d, want %d", items, 1000)
}
}
core/state/sync.go
+2 -2
View File
@@ -27,7 +27,7 @@ import (
)
// NewStateSync create a new state trie download scheduler.
func NewStateSync(root common.Hash, database ethdb.KeyValueReader, bloom *trie.SyncBloom, onLeaf func(paths [][]byte, leaf []byte) error) *trie.Sync {
func NewStateSync(root common.Hash, database ethdb.KeyValueReader, onLeaf func(paths [][]byte, leaf []byte) error) *trie.Sync {
// Register the storage slot callback if the external callback is specified.
var onSlot func(paths [][]byte, hexpath []byte, leaf []byte, parent common.Hash) error
if onLeaf != nil {
@@ -52,6 +52,6 @@ func NewStateSync(root common.Hash, database ethdb.KeyValueReader, bloom *trie.S
syncer.AddCodeEntry(common.BytesToHash(obj.CodeHash), hexpath, parent)
return nil
}
syncer = trie.NewSync(root, database, onAccount, bloom)
syncer = trie.NewSync(root, database, onAccount)
return syncer
}
core/state/sync_test.go
+6 -7
View File
@@ -26,7 +26,6 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethdb/memorydb"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
@@ -134,7 +133,7 @@ func checkStateConsistency(db ethdb.Database, root common.Hash) error {
// Tests that an empty state is not scheduled for syncing.
func TestEmptyStateSync(t *testing.T) {
empty := common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
sync := NewStateSync(empty, rawdb.NewMemoryDatabase(), trie.NewSyncBloom(1, memorydb.New()), nil)
sync := NewStateSync(empty, rawdb.NewMemoryDatabase(), nil)
if nodes, paths, codes := sync.Missing(1); len(nodes) != 0 || len(paths) != 0 || len(codes) != 0 {
t.Errorf(" content requested for empty state: %v, %v, %v", nodes, paths, codes)
}
@@ -171,7 +170,7 @@ func testIterativeStateSync(t *testing.T, count int, commit bool, bypath bool) {
// Create a destination state and sync with the scheduler
dstDb := rawdb.NewMemoryDatabase()
sched := NewStateSync(srcRoot, dstDb, trie.NewSyncBloom(1, dstDb), nil)
sched := NewStateSync(srcRoot, dstDb, nil)
nodes, paths, codes := sched.Missing(count)
var (
@@ -250,7 +249,7 @@ func TestIterativeDelayedStateSync(t *testing.T) {
// Create a destination state and sync with the scheduler
dstDb := rawdb.NewMemoryDatabase()
sched := NewStateSync(srcRoot, dstDb, trie.NewSyncBloom(1, dstDb), nil)
sched := NewStateSync(srcRoot, dstDb, nil)
nodes, _, codes := sched.Missing(0)
queue := append(append([]common.Hash{}, nodes...), codes...)
@@ -298,7 +297,7 @@ func testIterativeRandomStateSync(t *testing.T, count int) {
// Create a destination state and sync with the scheduler
dstDb := rawdb.NewMemoryDatabase()
sched := NewStateSync(srcRoot, dstDb, trie.NewSyncBloom(1, dstDb), nil)
sched := NewStateSync(srcRoot, dstDb, nil)
queue := make(map[common.Hash]struct{})
nodes, _, codes := sched.Missing(count)
@@ -348,7 +347,7 @@ func TestIterativeRandomDelayedStateSync(t *testing.T) {
// Create a destination state and sync with the scheduler
dstDb := rawdb.NewMemoryDatabase()
sched := NewStateSync(srcRoot, dstDb, trie.NewSyncBloom(1, dstDb), nil)
sched := NewStateSync(srcRoot, dstDb, nil)
queue := make(map[common.Hash]struct{})
nodes, _, codes := sched.Missing(0)
@@ -415,7 +414,7 @@ func TestIncompleteStateSync(t *testing.T) {
// Create a destination state and sync with the scheduler
dstDb := rawdb.NewMemoryDatabase()
sched := NewStateSync(srcRoot, dstDb, trie.NewSyncBloom(1, dstDb), nil)
sched := NewStateSync(srcRoot, dstDb, nil)
var added []common.Hash
core/tx_pool.go
+2 -3
View File
@@ -621,9 +621,8 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
if err != nil {
return ErrInvalidSender
}
// Drop non-local transactions under our own minimal accepted gas price or tip.
pendingBaseFee := pool.priced.urgent.baseFee
if !local && tx.EffectiveGasTipIntCmp(pool.gasPrice, pendingBaseFee) < 0 {
// Drop non-local transactions under our own minimal accepted gas price or tip
if !local && tx.GasTipCapIntCmp(pool.gasPrice) < 0 {
return ErrUnderpriced
}
// Ensure the transaction adheres to nonce ordering
core/types/block.go
+24
View File
@@ -85,6 +85,12 @@ type Header struct {
// BaseFee was added by EIP-1559 and is ignored in legacy headers.
BaseFee *big.Int `json:"baseFeePerGas" rlp:"optional"`
/*
TODO (MariusVanDerWijden) Add this field once needed
// Random was added during the merge and contains the BeaconState randomness
Random common.Hash `json:"random" rlp:"optional"`
*/
}
// field type overrides for gencodec
@@ -383,3 +389,21 @@ func (b *Block) Hash() common.Hash {
}
type Blocks []*Block
// HeaderParentHashFromRLP returns the parentHash of an RLP-encoded
// header. If 'header' is invalid, the zero hash is returned.
func HeaderParentHashFromRLP(header []byte) common.Hash {
// parentHash is the first list element.
listContent, _, err := rlp.SplitList(header)
if err != nil {
return common.Hash{}
}
parentHash, _, err := rlp.SplitString(listContent)
if err != nil {
return common.Hash{}
}
if len(parentHash) != 32 {
return common.Hash{}
}
return common.BytesToHash(parentHash)
}
core/types/block_test.go
+61
View File
@@ -281,3 +281,64 @@ func makeBenchBlock() *Block {
}
return NewBlock(header, txs, uncles, receipts, newHasher())
}
func TestRlpDecodeParentHash(t *testing.T) {
// A minimum one
want := common.HexToHash("0x112233445566778899001122334455667788990011223344556677889900aabb")
if rlpData, err := rlp.EncodeToBytes(Header{ParentHash: want}); err != nil {
t.Fatal(err)
} else {
if have := HeaderParentHashFromRLP(rlpData); have != want {
t.Fatalf("have %x, want %x", have, want)
}
}
// And a maximum one
// | Difficulty | dynamic| *big.Int | 0x5ad3c2c71bbff854908 (current mainnet TD: 76 bits) |
// | Number | dynamic| *big.Int | 64 bits |
// | Extra | dynamic| []byte | 65+32 byte (clique) |
// | BaseFee | dynamic| *big.Int | 64 bits |
mainnetTd := new(big.Int)
mainnetTd.SetString("5ad3c2c71bbff854908", 16)
if rlpData, err := rlp.EncodeToBytes(Header{
ParentHash: want,
Difficulty: mainnetTd,
Number: new(big.Int).SetUint64(math.MaxUint64),
Extra: make([]byte, 65+32),
BaseFee: new(big.Int).SetUint64(math.MaxUint64),
}); err != nil {
t.Fatal(err)
} else {
if have := HeaderParentHashFromRLP(rlpData); have != want {
t.Fatalf("have %x, want %x", have, want)
}
}
// Also test a very very large header.
{
// The rlp-encoding of the heder belowCauses _total_ length of 65540,
// which is the first to blow the fast-path.
h := Header{
ParentHash: want,
Extra: make([]byte, 65041),
}
if rlpData, err := rlp.EncodeToBytes(h); err != nil {
t.Fatal(err)
} else {
if have := HeaderParentHashFromRLP(rlpData); have != want {
t.Fatalf("have %x, want %x", have, want)
}
}
}
{
// Test some invalid erroneous stuff
for i, rlpData := range [][]byte{
nil,
common.FromHex("0x"),
common.FromHex("0x01"),
common.FromHex("0x3031323334"),
} {
if have, want := HeaderParentHashFromRLP(rlpData), (common.Hash{}); have != want {
t.Fatalf("invalid %d: have %x, want %x", i, have, want)
}
}
}
}
core/types/dynamic_fee_tx.go
+2 -2
View File
@@ -25,8 +25,8 @@ import (
type DynamicFeeTx struct {
ChainID *big.Int
Nonce uint64
GasTipCap *big.Int
GasFeeCap *big.Int
GasTipCap *big.Int // a.k.a. maxPriorityFeePerGas
GasFeeCap *big.Int // a.k.a. maxFeePerGas
Gas uint64
To *common.Address `rlp:"nil"` // nil means contract creation
Value *big.Int
core/vm/access_list_tracer.go
-182
View File
@@ -1,182 +0,0 @@
// Copyright 2021 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 vm
import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// accessList is an accumulator for the set of accounts and storage slots an EVM
// contract execution touches.
type accessList map[common.Address]accessListSlots
// accessListSlots is an accumulator for the set of storage slots within a single
// contract that an EVM contract execution touches.
type accessListSlots map[common.Hash]struct{}
// newAccessList creates a new accessList.
func newAccessList() accessList {
return make(map[common.Address]accessListSlots)
}
// addAddress adds an address to the accesslist.
func (al accessList) addAddress(address common.Address) {
// Set address if not previously present
if _, present := al[address]; !present {
al[address] = make(map[common.Hash]struct{})
}
}
// addSlot adds a storage slot to the accesslist.
func (al accessList) addSlot(address common.Address, slot common.Hash) {
// Set address if not previously present
al.addAddress(address)
// Set the slot on the surely existent storage set
al[address][slot] = struct{}{}
}
// equal checks if the content of the current access list is the same as the
// content of the other one.
func (al accessList) equal(other accessList) bool {
// Cross reference the accounts first
if len(al) != len(other) {
return false
}
for addr := range al {
if _, ok := other[addr]; !ok {
return false
}
}
for addr := range other {
if _, ok := al[addr]; !ok {
return false
}
}
// Accounts match, cross reference the storage slots too
for addr, slots := range al {
otherslots := other[addr]
if len(slots) != len(otherslots) {
return false
}
for hash := range slots {
if _, ok := otherslots[hash]; !ok {
return false
}
}
for hash := range otherslots {
if _, ok := slots[hash]; !ok {
return false
}
}
}
return true
}
// accesslist converts the accesslist to a types.AccessList.
func (al accessList) accessList() types.AccessList {
acl := make(types.AccessList, 0, len(al))
for addr, slots := range al {
tuple := types.AccessTuple{Address: addr, StorageKeys: []common.Hash{}}
for slot := range slots {
tuple.StorageKeys = append(tuple.StorageKeys, slot)
}
acl = append(acl, tuple)
}
return acl
}
// AccessListTracer is a tracer that accumulates touched accounts and storage
// slots into an internal set.
type AccessListTracer struct {
excl map[common.Address]struct{} // Set of account to exclude from the list
list accessList // Set of accounts and storage slots touched
}
// NewAccessListTracer creates a new tracer that can generate AccessLists.
// An optional AccessList can be specified to occupy slots and addresses in
// the resulting accesslist.
func NewAccessListTracer(acl types.AccessList, from, to common.Address, precompiles []common.Address) *AccessListTracer {
excl := map[common.Address]struct{}{
from: {}, to: {},
}
for _, addr := range precompiles {
excl[addr] = struct{}{}
}
list := newAccessList()
for _, al := range acl {
if _, ok := excl[al.Address]; !ok {
list.addAddress(al.Address)
}
for _, slot := range al.StorageKeys {
list.addSlot(al.Address, slot)
}
}
return &AccessListTracer{
excl: excl,
list: list,
}
}
func (a *AccessListTracer) CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
}
// CaptureState captures all opcodes that touch storage or addresses and adds them to the accesslist.
func (a *AccessListTracer) CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error) {
stack := scope.Stack
if (op == SLOAD || op == SSTORE) && stack.len() >= 1 {
slot := common.Hash(stack.data[stack.len()-1].Bytes32())
a.list.addSlot(scope.Contract.Address(), slot)
}
if (op == EXTCODECOPY || op == EXTCODEHASH || op == EXTCODESIZE || op == BALANCE || op == SELFDESTRUCT) && stack.len() >= 1 {
addr := common.Address(stack.data[stack.len()-1].Bytes20())
if _, ok := a.excl[addr]; !ok {
a.list.addAddress(addr)
}
}
if (op == DELEGATECALL || op == CALL || op == STATICCALL || op == CALLCODE) && stack.len() >= 5 {
addr := common.Address(stack.data[stack.len()-2].Bytes20())
if _, ok := a.excl[addr]; !ok {
a.list.addAddress(addr)
}
}
}
func (*AccessListTracer) CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error) {
}
func (*AccessListTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {}
func (*AccessListTracer) CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}
func (*AccessListTracer) CaptureExit(output []byte, gasUsed uint64, err error) {}
// AccessList returns the current accesslist maintained by the tracer.
func (a *AccessListTracer) AccessList() types.AccessList {
return a.list.accessList()
}
// Equal returns if the content of two access list traces are equal.
func (a *AccessListTracer) Equal(other *AccessListTracer) bool {
return a.list.equal(other.list)
}
core/vm/analysis.go
+13 -19
View File
@@ -17,12 +17,12 @@
package vm
const (
set2BitsMask = uint16(0b1100_0000_0000_0000)
set3BitsMask = uint16(0b1110_0000_0000_0000)
set4BitsMask = uint16(0b1111_0000_0000_0000)
set5BitsMask = uint16(0b1111_1000_0000_0000)
set6BitsMask = uint16(0b1111_1100_0000_0000)
set7BitsMask = uint16(0b1111_1110_0000_0000)
set2BitsMask = uint16(0b11)
set3BitsMask = uint16(0b111)
set4BitsMask = uint16(0b1111)
set5BitsMask = uint16(0b1_1111)
set6BitsMask = uint16(0b11_1111)
set7BitsMask = uint16(0b111_1111)
)
// bitvec is a bit vector which maps bytes in a program.
@@ -30,32 +30,26 @@ const (
// it's data (i.e. argument of PUSHxx).
type bitvec []byte
var lookup = [8]byte{
0x80, 0x40, 0x20, 0x10, 0x8, 0x4, 0x2, 0x1,
}
func (bits bitvec) set1(pos uint64) {
bits[pos/8] |= lookup[pos%8]
bits[pos/8] |= 1 << (pos % 8)
}
func (bits bitvec) setN(flag uint16, pos uint64) {
a := flag >> (pos % 8)
bits[pos/8] |= byte(a >> 8)
if b := byte(a); b != 0 {
// If the bit-setting affects the neighbouring byte, we can assign - no need to OR it,
// since it's the first write to that byte
a := flag << (pos % 8)
bits[pos/8] |= byte(a)
if b := byte(a >> 8); b != 0 {
bits[pos/8+1] = b
}
}
func (bits bitvec) set8(pos uint64) {
a := byte(0xFF >> (pos % 8))
a := byte(0xFF << (pos % 8))
bits[pos/8] |= a
bits[pos/8+1] = ^a
}
func (bits bitvec) set16(pos uint64) {
a := byte(0xFF >> (pos % 8))
a := byte(0xFF << (pos % 8))
bits[pos/8] |= a
bits[pos/8+1] = 0xFF
bits[pos/8+2] = ^a
@@ -63,7 +57,7 @@ func (bits bitvec) set16(pos uint64) {
// codeSegment checks if the position is in a code segment.
func (bits *bitvec) codeSegment(pos uint64) bool {
return ((*bits)[pos/8] & (0x80 >> (pos % 8))) == 0
return (((*bits)[pos/8] >> (pos % 8)) & 1) == 0
}
// codeBitmap collects data locations in code.
core/vm/analysis_test.go
+22 -18
View File
@@ -17,6 +17,7 @@
package vm
import (
"math/bits"
"testing"
"github.com/ethereum/go-ethereum/crypto"
@@ -28,24 +29,27 @@ func TestJumpDestAnalysis(t *testing.T) {
exp byte
which int
}{
{[]byte{byte(PUSH1), 0x01, 0x01, 0x01}, 0x40, 0},
{[]byte{byte(PUSH1), byte(PUSH1), byte(PUSH1), byte(PUSH1)}, 0x50, 0},
{[]byte{byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), 0x01, 0x01, 0x01}, 0x7F, 0},
{[]byte{byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x80, 1},
{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), byte(PUSH2), byte(PUSH2), 0x01, 0x01, 0x01}, 0x03, 0},
{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), 0x01, 0x01, 0x01, 0x01, 0x01}, 0x00, 1},
{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x74, 0},
{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x00, 1},
{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x3F, 0},
{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0xC0, 1},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x7F, 0},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0xFF, 1},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0x80, 2},
{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0x7f, 0},
{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0xA0, 1},
{[]byte{byte(PUSH32)}, 0x7F, 0},
{[]byte{byte(PUSH32)}, 0xFF, 1},
{[]byte{byte(PUSH32)}, 0xFF, 2},
{[]byte{byte(PUSH1), 0x01, 0x01, 0x01}, 0b0000_0010, 0},
{[]byte{byte(PUSH1), byte(PUSH1), byte(PUSH1), byte(PUSH1)}, 0b0000_1010, 0},
{[]byte{0x00, byte(PUSH1), 0x00, byte(PUSH1), 0x00, byte(PUSH1), 0x00, byte(PUSH1)}, 0b0101_0100, 0},
{[]byte{byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), byte(PUSH8), 0x01, 0x01, 0x01}, bits.Reverse8(0x7F), 0},
{[]byte{byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0000_0001, 1},
{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), byte(PUSH2), byte(PUSH2), 0x01, 0x01, 0x01}, 0b1100_0000, 0},
{[]byte{0x01, 0x01, 0x01, 0x01, 0x01, byte(PUSH2), 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0000_0000, 1},
{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0010_1110, 0},
{[]byte{byte(PUSH3), 0x01, 0x01, 0x01, byte(PUSH1), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0000_0000, 1},
{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b1111_1100, 0},
{[]byte{0x01, byte(PUSH8), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0000_0011, 1},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b1111_1110, 0},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b1111_1111, 1},
{[]byte{byte(PUSH16), 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, 0b0000_0001, 2},
{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0b1111_1110, 0},
{[]byte{byte(PUSH8), 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, byte(PUSH1), 0x01}, 0b0000_0101, 1},
{[]byte{byte(PUSH32)}, 0b1111_1110, 0},
{[]byte{byte(PUSH32)}, 0b1111_1111, 1},
{[]byte{byte(PUSH32)}, 0b1111_1111, 2},
{[]byte{byte(PUSH32)}, 0b1111_1111, 3},
{[]byte{byte(PUSH32)}, 0b0000_0001, 4},
}
for i, test := range tests {
ret := codeBitmap(test.code)
core/vm/contract.go
+2 -7
View File
@@ -143,16 +143,11 @@ func (c *Contract) AsDelegate() *Contract {
// GetOp returns the n'th element in the contract's byte array
func (c *Contract) GetOp(n uint64) OpCode {
return OpCode(c.GetByte(n))
}
// GetByte returns the n'th byte in the contract's byte array
func (c *Contract) GetByte(n uint64) byte {
if n < uint64(len(c.Code)) {
return c.Code[n]
return OpCode(c.Code[n])
}
return 0
return STOP
}
// Caller returns the caller of the contract.
core/vm/errors.go
+4
View File
@@ -36,6 +36,10 @@ var (
ErrGasUintOverflow = errors.New("gas uint64 overflow")
ErrInvalidCode = errors.New("invalid code: must not begin with 0xef")
ErrNonceUintOverflow = errors.New("nonce uint64 overflow")
// errStopToken is an internal token indicating interpreter loop termination,
// never returned to outside callers.
errStopToken = errors.New("stop token")
)
// ErrStackUnderflow wraps an evm error when the items on the stack less
core/vm/evm.go
+1 -17
View File
@@ -165,9 +165,6 @@ func (evm *EVM) Interpreter() *EVMInterpreter {
// the necessary steps to create accounts and reverses the state in case of an
// execution error or failed value transfer.
func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
if evm.Config.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
@@ -254,9 +251,6 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
// CallCode differs from Call in the sense that it executes the given address'
// code with the caller as context.
func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int) (ret []byte, leftOverGas uint64, err error) {
if evm.Config.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
@@ -305,9 +299,6 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
// DelegateCall differs from CallCode in the sense that it executes the given address'
// code with the caller as context and the caller is set to the caller of the caller.
func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
if evm.Config.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
@@ -347,9 +338,6 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
// Opcodes that attempt to perform such modifications will result in exceptions
// instead of performing the modifications.
func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
if evm.Config.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
@@ -451,10 +439,6 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
contract := NewContract(caller, AccountRef(address), value, gas)
contract.SetCodeOptionalHash(&address, codeAndHash)
if evm.Config.NoRecursion && evm.depth > 0 {
return nil, address, gas, nil
}
if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(evm, caller.Address(), address, true, codeAndHash.code, gas, value)
@@ -518,7 +502,7 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I
// Create2 creates a new contract using code as deployment code.
//
// The different between Create2 with Create is Create2 uses sha3(0xff ++ msg.sender ++ salt ++ sha3(init_code))[12:]
// The different between Create2 with Create is Create2 uses keccak256(0xff ++ msg.sender ++ salt ++ keccak256(init_code))[12:]
// instead of the usual sender-and-nonce-hash as the address where the contract is initialized at.
func (evm *EVM) Create2(caller ContractRef, code []byte, gas uint64, endowment *big.Int, salt *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
codeAndHash := &codeAndHash{code: code}
core/vm/gas_table.go
+3 -3
View File
@@ -247,7 +247,7 @@ func makeGasLog(n uint64) gasFunc {
}
}
func gasSha3(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
func gasKeccak256(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
gas, err := memoryGasCost(mem, memorySize)
if err != nil {
return 0, err
@@ -256,7 +256,7 @@ func gasSha3(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize
if overflow {
return 0, ErrGasUintOverflow
}
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow {
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Keccak256WordGas); overflow {
return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, wordGas); overflow {
@@ -290,7 +290,7 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS
if overflow {
return 0, ErrGasUintOverflow
}
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow {
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Keccak256WordGas); overflow {
return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, wordGas); overflow {
core/vm/gen_structlog.go
-109
View File
@@ -1,109 +0,0 @@
// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
package vm
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
"github.com/holiman/uint256"
)
var _ = (*structLogMarshaling)(nil)
// MarshalJSON marshals as JSON.
func (s StructLog) MarshalJSON() ([]byte, error) {
type StructLog struct {
Pc uint64 `json:"pc"`
Op OpCode `json:"op"`
Gas math.HexOrDecimal64 `json:"gas"`
GasCost math.HexOrDecimal64 `json:"gasCost"`
Memory hexutil.Bytes `json:"memory"`
MemorySize int `json:"memSize"`
Stack []uint256.Int `json:"stack"`
ReturnData hexutil.Bytes `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
RefundCounter uint64 `json:"refund"`
Err error `json:"-"`
OpName string `json:"opName"`
ErrorString string `json:"error"`
}
var enc StructLog
enc.Pc = s.Pc
enc.Op = s.Op
enc.Gas = math.HexOrDecimal64(s.Gas)
enc.GasCost = math.HexOrDecimal64(s.GasCost)
enc.Memory = s.Memory
enc.MemorySize = s.MemorySize
enc.Stack = s.Stack
enc.ReturnData = s.ReturnData
enc.Storage = s.Storage
enc.Depth = s.Depth
enc.RefundCounter = s.RefundCounter
enc.Err = s.Err
enc.OpName = s.OpName()
enc.ErrorString = s.ErrorString()
return json.Marshal(&enc)
}
// UnmarshalJSON unmarshals from JSON.
func (s *StructLog) UnmarshalJSON(input []byte) error {
type StructLog struct {
Pc *uint64 `json:"pc"`
Op *OpCode `json:"op"`
Gas *math.HexOrDecimal64 `json:"gas"`
GasCost *math.HexOrDecimal64 `json:"gasCost"`
Memory *hexutil.Bytes `json:"memory"`
MemorySize *int `json:"memSize"`
Stack []uint256.Int `json:"stack"`
ReturnData *hexutil.Bytes `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth *int `json:"depth"`
RefundCounter *uint64 `json:"refund"`
Err error `json:"-"`
}
var dec StructLog
if err := json.Unmarshal(input, &dec); err != nil {
return err
}
if dec.Pc != nil {
s.Pc = *dec.Pc
}
if dec.Op != nil {
s.Op = *dec.Op
}
if dec.Gas != nil {
s.Gas = uint64(*dec.Gas)
}
if dec.GasCost != nil {
s.GasCost = uint64(*dec.GasCost)
}
if dec.Memory != nil {
s.Memory = *dec.Memory
}
if dec.MemorySize != nil {
s.MemorySize = *dec.MemorySize
}
if dec.Stack != nil {
s.Stack = dec.Stack
}
if dec.ReturnData != nil {
s.ReturnData = *dec.ReturnData
}
if dec.Storage != nil {
s.Storage = dec.Storage
}
if dec.Depth != nil {
s.Depth = *dec.Depth
}
if dec.RefundCounter != nil {
s.RefundCounter = *dec.RefundCounter
}
if dec.Err != nil {
s.Err = dec.Err
}
return nil
}
core/vm/instructions.go
+47 -10
View File
@@ -17,6 +17,8 @@
package vm
import (
"sync/atomic"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
@@ -231,7 +233,7 @@ func opSAR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
return nil, nil
}
func opSha3(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.peek()
data := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
@@ -514,6 +516,9 @@ func opSload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
}
func opSstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
loc := scope.Stack.pop()
val := scope.Stack.pop()
interpreter.evm.StateDB.SetState(scope.Contract.Address(),
@@ -522,23 +527,27 @@ func opSstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
}
func opJump(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if atomic.LoadInt32(&interpreter.evm.abort) != 0 {
return nil, errStopToken
}
pos := scope.Stack.pop()
if !scope.Contract.validJumpdest(&pos) {
return nil, ErrInvalidJump
}
*pc = pos.Uint64()
*pc = pos.Uint64() - 1 // pc will be increased by the interpreter loop
return nil, nil
}
func opJumpi(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if atomic.LoadInt32(&interpreter.evm.abort) != 0 {
return nil, errStopToken
}
pos, cond := scope.Stack.pop(), scope.Stack.pop()
if !cond.IsZero() {
if !scope.Contract.validJumpdest(&pos) {
return nil, ErrInvalidJump
}
*pc = pos.Uint64()
} else {
*pc++
*pc = pos.Uint64() - 1 // pc will be increased by the interpreter loop
}
return nil, nil
}
@@ -563,6 +572,9 @@ func opGas(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
}
func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
var (
value = scope.Stack.pop()
offset, size = scope.Stack.pop(), scope.Stack.pop()
@@ -598,12 +610,17 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
scope.Contract.Gas += returnGas
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
return res, nil
}
interpreter.returnData = nil // clear dirty return data buffer
return nil, nil
}
func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
var (
endowment = scope.Stack.pop()
offset, size = scope.Stack.pop(), scope.Stack.pop()
@@ -634,8 +651,10 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
scope.Contract.Gas += returnGas
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
return res, nil
}
interpreter.returnData = nil // clear dirty return data buffer
return nil, nil
}
@@ -651,6 +670,9 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
// Get the arguments from the memory.
args := scope.Memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
if interpreter.readOnly && !value.IsZero() {
return nil, ErrWriteProtection
}
var bigVal = big0
//TODO: use uint256.Int instead of converting with toBig()
// By using big0 here, we save an alloc for the most common case (non-ether-transferring contract calls),
@@ -674,6 +696,7 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
}
scope.Contract.Gas += returnGas
interpreter.returnData = ret
return ret, nil
}
@@ -709,6 +732,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
}
scope.Contract.Gas += returnGas
interpreter.returnData = ret
return ret, nil
}
@@ -737,6 +761,7 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
}
scope.Contract.Gas += returnGas
interpreter.returnData = ret
return ret, nil
}
@@ -765,6 +790,7 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
}
scope.Contract.Gas += returnGas
interpreter.returnData = ret
return ret, nil
}
@@ -772,21 +798,29 @@ func opReturn(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
offset, size := scope.Stack.pop(), scope.Stack.pop()
ret := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
return ret, nil
return ret, errStopToken
}
func opRevert(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.pop()
ret := scope.Memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
return ret, nil
interpreter.returnData = ret
return ret, ErrExecutionReverted
}
func opUndefined(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
return nil, &ErrInvalidOpCode{opcode: OpCode(scope.Contract.Code[*pc])}
}
func opStop(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
return nil, nil
return nil, errStopToken
}
func opSuicide(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSelfdestruct(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
beneficiary := scope.Stack.pop()
balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance)
@@ -795,7 +829,7 @@ func opSuicide(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
interpreter.cfg.Tracer.CaptureEnter(SELFDESTRUCT, scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance)
interpreter.cfg.Tracer.CaptureExit([]byte{}, 0, nil)
}
return nil, nil
return nil, errStopToken
}
// following functions are used by the instruction jump table
@@ -803,6 +837,9 @@ func opSuicide(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
// make log instruction function
func makeLog(size int) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return nil, ErrWriteProtection
}
topics := make([]common.Hash, size)
stack := scope.Stack
mStart, mSize := stack.pop(), stack.pop()
core/vm/instructions_test.go
+10 -6
View File
@@ -525,12 +525,14 @@ func TestOpMstore(t *testing.T) {
mem.Resize(64)
pc := uint64(0)
v := "abcdef00000000000000abba000000000deaf000000c0de00100000000133700"
stack.pushN(*new(uint256.Int).SetBytes(common.Hex2Bytes(v)), *new(uint256.Int))
stack.push(new(uint256.Int).SetBytes(common.Hex2Bytes(v)))
stack.push(new(uint256.Int))
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
if got := common.Bytes2Hex(mem.GetCopy(0, 32)); got != v {
t.Fatalf("Mstore fail, got %v, expected %v", got, v)
}
stack.pushN(*new(uint256.Int).SetUint64(0x1), *new(uint256.Int))
stack.push(new(uint256.Int).SetUint64(0x1))
stack.push(new(uint256.Int))
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
if common.Bytes2Hex(mem.GetCopy(0, 32)) != "0000000000000000000000000000000000000000000000000000000000000001" {
t.Fatalf("Mstore failed to overwrite previous value")
@@ -553,12 +555,13 @@ func BenchmarkOpMstore(bench *testing.B) {
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
stack.pushN(*value, *memStart)
stack.push(value)
stack.push(memStart)
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
}
}
func BenchmarkOpSHA3(bench *testing.B) {
func BenchmarkOpKeccak256(bench *testing.B) {
var (
env = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
stack = newstack()
@@ -572,8 +575,9 @@ func BenchmarkOpSHA3(bench *testing.B) {
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
stack.pushN(*uint256.NewInt(32), *start)
opSha3(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
stack.push(uint256.NewInt(32))
stack.push(start)
opKeccak256(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
}
}
core/vm/interpreter.go
+49 -84
View File
@@ -18,7 +18,6 @@ package vm
import (
"hash"
"sync/atomic"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
@@ -29,11 +28,10 @@ import (
type Config struct {
Debug bool // Enables debugging
Tracer EVMLogger // Opcode logger
NoRecursion bool // Disables call, callcode, delegate call and create
NoBaseFee bool // Forces the EIP-1559 baseFee to 0 (needed for 0 price calls)
EnablePreimageRecording bool // Enables recording of SHA3/keccak preimages
JumpTable [256]*operation // EVM instruction table, automatically populated if unset
JumpTable *JumpTable // EVM instruction table, automatically populated if unset
ExtraEips []int // Additional EIPS that are to be enabled
}
@@ -68,39 +66,37 @@ type EVMInterpreter struct {
// NewEVMInterpreter returns a new instance of the Interpreter.
func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
// We use the STOP instruction whether to see
// the jump table was initialised. If it was not
// we'll set the default jump table.
if cfg.JumpTable[STOP] == nil {
var jt JumpTable
// If jump table was not initialised we set the default one.
if cfg.JumpTable == nil {
switch {
case evm.chainRules.IsLondon:
jt = londonInstructionSet
cfg.JumpTable = &londonInstructionSet
case evm.chainRules.IsBerlin:
jt = berlinInstructionSet
cfg.JumpTable = &berlinInstructionSet
case evm.chainRules.IsIstanbul:
jt = istanbulInstructionSet
cfg.JumpTable = &istanbulInstructionSet
case evm.chainRules.IsConstantinople:
jt = constantinopleInstructionSet
cfg.JumpTable = &constantinopleInstructionSet
case evm.chainRules.IsByzantium:
jt = byzantiumInstructionSet
cfg.JumpTable = &byzantiumInstructionSet
case evm.chainRules.IsEIP158:
jt = spuriousDragonInstructionSet
cfg.JumpTable = &spuriousDragonInstructionSet
case evm.chainRules.IsEIP150:
jt = tangerineWhistleInstructionSet
cfg.JumpTable = &tangerineWhistleInstructionSet
case evm.chainRules.IsHomestead:
jt = homesteadInstructionSet
cfg.JumpTable = &homesteadInstructionSet
default:
jt = frontierInstructionSet
cfg.JumpTable = &frontierInstructionSet
}
for i, eip := range cfg.ExtraEips {
if err := EnableEIP(eip, &jt); err != nil {
copy := *cfg.JumpTable
if err := EnableEIP(eip, &copy); err != nil {
// Disable it, so caller can check if it's activated or not
cfg.ExtraEips = append(cfg.ExtraEips[:i], cfg.ExtraEips[i+1:]...)
log.Error("EIP activation failed", "eip", eip, "error", err)
}
cfg.JumpTable = &copy
}
cfg.JumpTable = jt
}
return &EVMInterpreter{
@@ -180,101 +176,70 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// explicit STOP, RETURN or SELFDESTRUCT is executed, an error occurred during
// the execution of one of the operations or until the done flag is set by the
// parent context.
steps := 0
for {
steps++
if steps%1000 == 0 && atomic.LoadInt32(&in.evm.abort) != 0 {
break
}
if in.cfg.Debug {
// Capture pre-execution values for tracing.
logged, pcCopy, gasCopy = false, pc, contract.Gas
}
// Get the operation from the jump table and validate the stack to ensure there are
// enough stack items available to perform the operation.
op = contract.GetOp(pc)
operation := in.cfg.JumpTable[op]
if operation == nil {
return nil, &ErrInvalidOpCode{opcode: op}
}
cost = operation.constantGas // For tracing
// Validate stack
if sLen := stack.len(); sLen < operation.minStack {
return nil, &ErrStackUnderflow{stackLen: sLen, required: operation.minStack}
} else if sLen > operation.maxStack {
return nil, &ErrStackOverflow{stackLen: sLen, limit: operation.maxStack}
}
// If the operation is valid, enforce write restrictions
if in.readOnly && in.evm.chainRules.IsByzantium {
// If the interpreter is operating in readonly mode, make sure no
// state-modifying operation is performed. The 3rd stack item
// for a call operation is the value. Transferring value from one
// account to the others means the state is modified and should also
// return with an error.
if operation.writes || (op == CALL && stack.Back(2).Sign() != 0) {
return nil, ErrWriteProtection
}
}
// Static portion of gas
cost = operation.constantGas // For tracing
if !contract.UseGas(operation.constantGas) {
if !contract.UseGas(cost) {
return nil, ErrOutOfGas
}
var memorySize uint64
// calculate the new memory size and expand the memory to fit
// the operation
// Memory check needs to be done prior to evaluating the dynamic gas portion,
// to detect calculation overflows
if operation.memorySize != nil {
memSize, overflow := operation.memorySize(stack)
if overflow {
return nil, ErrGasUintOverflow
}
// memory is expanded in words of 32 bytes. Gas
// is also calculated in words.
if memorySize, overflow = math.SafeMul(toWordSize(memSize), 32); overflow {
return nil, ErrGasUintOverflow
}
}
// Dynamic portion of gas
// consume the gas and return an error if not enough gas is available.
// cost is explicitly set so that the capture state defer method can get the proper cost
if operation.dynamicGas != nil {
// All ops with a dynamic memory usage also has a dynamic gas cost.
var memorySize uint64
// calculate the new memory size and expand the memory to fit
// the operation
// Memory check needs to be done prior to evaluating the dynamic gas portion,
// to detect calculation overflows
if operation.memorySize != nil {
memSize, overflow := operation.memorySize(stack)
if overflow {
return nil, ErrGasUintOverflow
}
// memory is expanded in words of 32 bytes. Gas
// is also calculated in words.
if memorySize, overflow = math.SafeMul(toWordSize(memSize), 32); overflow {
return nil, ErrGasUintOverflow
}
}
// Consume the gas and return an error if not enough gas is available.
// cost is explicitly set so that the capture state defer method can get the proper cost
var dynamicCost uint64
dynamicCost, err = operation.dynamicGas(in.evm, contract, stack, mem, memorySize)
cost += dynamicCost // total cost, for debug tracing
cost += dynamicCost // for tracing
if err != nil || !contract.UseGas(dynamicCost) {
return nil, ErrOutOfGas
}
if memorySize > 0 {
mem.Resize(memorySize)
}
}
if memorySize > 0 {
mem.Resize(memorySize)
}
if in.cfg.Debug {
in.cfg.Tracer.CaptureState(pc, op, gasCopy, cost, callContext, in.returnData, in.evm.depth, err)
logged = true
}
// execute the operation
res, err = operation.execute(&pc, in, callContext)
// if the operation clears the return data (e.g. it has returning data)
// set the last return to the result of the operation.
if operation.returns {
in.returnData = res
}
switch {
case err != nil:
return nil, err
case operation.reverts:
return res, ErrExecutionReverted
case operation.halts:
return res, nil
case !operation.jumps:
pc++
if err != nil {
break
}
pc++
}
return nil, nil
if err == errStopToken {
err = nil // clear stop token error
}
return res, err
}
core/vm/interpreter_test.go
+77
View File
@@ -0,0 +1,77 @@
// Copyright 2021 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 vm
import (
"math/big"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/params"
)
var loopInterruptTests = []string{
// infinite loop using JUMP: push(2) jumpdest dup1 jump
"60025b8056",
// infinite loop using JUMPI: push(1) push(4) jumpdest dup2 dup2 jumpi
"600160045b818157",
}
func TestLoopInterrupt(t *testing.T) {
address := common.BytesToAddress([]byte("contract"))
vmctx := BlockContext{
Transfer: func(StateDB, common.Address, common.Address, *big.Int) {},
}
for i, tt := range loopInterruptTests {
statedb, _ := state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
statedb.CreateAccount(address)
statedb.SetCode(address, common.Hex2Bytes(tt))
statedb.Finalise(true)
evm := NewEVM(vmctx, TxContext{}, statedb, params.AllEthashProtocolChanges, Config{})
errChannel := make(chan error)
timeout := make(chan bool)
go func(evm *EVM) {
_, _, err := evm.Call(AccountRef(common.Address{}), address, nil, math.MaxUint64, new(big.Int))
errChannel <- err
}(evm)
go func() {
<-time.After(time.Second)
timeout <- true
}()
evm.Cancel()
select {
case <-timeout:
t.Errorf("test %d timed out", i)
case err := <-errChannel:
if err != nil {
t.Errorf("test %d failure: %v", i, err)
}
}
}
}
core/vm/jump_table.go
+44 -43
View File
@@ -17,6 +17,8 @@
package vm
import (
"fmt"
"github.com/ethereum/go-ethereum/params"
)
@@ -40,12 +42,6 @@ type operation struct {
// memorySize returns the memory size required for the operation
memorySize memorySizeFunc
halts bool // indicates whether the operation should halt further execution
jumps bool // indicates whether the program counter should not increment
writes bool // determines whether this a state modifying operation
reverts bool // determines whether the operation reverts state (implicitly halts)
returns bool // determines whether the operations sets the return data content
}
var (
@@ -63,13 +59,31 @@ var (
// JumpTable contains the EVM opcodes supported at a given fork.
type JumpTable [256]*operation
func validate(jt JumpTable) JumpTable {
for i, op := range jt {
if op == nil {
panic(fmt.Sprintf("op 0x%x is not set", i))
}
// The interpreter has an assumption that if the memorySize function is
// set, then the dynamicGas function is also set. This is a somewhat
// arbitrary assumption, and can be removed if we need to -- but it
// allows us to avoid a condition check. As long as we have that assumption
// in there, this little sanity check prevents us from merging in a
// change which violates it.
if op.memorySize != nil && op.dynamicGas == nil {
panic(fmt.Sprintf("op %v has dynamic memory but not dynamic gas", OpCode(i).String()))
}
}
return jt
}
// newLondonInstructionSet returns the frontier, homestead, byzantium,
// contantinople, istanbul, petersburg, berlin and london instructions.
func newLondonInstructionSet() JumpTable {
instructionSet := newBerlinInstructionSet()
enable3529(&instructionSet) // EIP-3529: Reduction in refunds https://eips.ethereum.org/EIPS/eip-3529
enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
return instructionSet
return validate(instructionSet)
}
// newBerlinInstructionSet returns the frontier, homestead, byzantium,
@@ -77,7 +91,7 @@ func newLondonInstructionSet() JumpTable {
func newBerlinInstructionSet() JumpTable {
instructionSet := newIstanbulInstructionSet()
enable2929(&instructionSet) // Access lists for trie accesses https://eips.ethereum.org/EIPS/eip-2929
return instructionSet
return validate(instructionSet)
}
// newIstanbulInstructionSet returns the frontier, homestead, byzantium,
@@ -89,7 +103,7 @@ func newIstanbulInstructionSet() JumpTable {
enable1884(&instructionSet) // Reprice reader opcodes - https://eips.ethereum.org/EIPS/eip-1884
enable2200(&instructionSet) // Net metered SSTORE - https://eips.ethereum.org/EIPS/eip-2200
return instructionSet
return validate(instructionSet)
}
// newConstantinopleInstructionSet returns the frontier, homestead,
@@ -127,10 +141,8 @@ func newConstantinopleInstructionSet() JumpTable {
minStack: minStack(4, 1),
maxStack: maxStack(4, 1),
memorySize: memoryCreate2,
writes: true,
returns: true,
}
return instructionSet
return validate(instructionSet)
}
// newByzantiumInstructionSet returns the frontier, homestead and
@@ -144,7 +156,6 @@ func newByzantiumInstructionSet() JumpTable {
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryStaticCall,
returns: true,
}
instructionSet[RETURNDATASIZE] = &operation{
execute: opReturnDataSize,
@@ -166,17 +177,15 @@ func newByzantiumInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryRevert,
reverts: true,
returns: true,
}
return instructionSet
return validate(instructionSet)
}
// EIP 158 a.k.a Spurious Dragon
func newSpuriousDragonInstructionSet() JumpTable {
instructionSet := newTangerineWhistleInstructionSet()
instructionSet[EXP].dynamicGas = gasExpEIP158
return instructionSet
return validate(instructionSet)
}
@@ -190,7 +199,7 @@ func newTangerineWhistleInstructionSet() JumpTable {
instructionSet[CALL].constantGas = params.CallGasEIP150
instructionSet[CALLCODE].constantGas = params.CallGasEIP150
instructionSet[DELEGATECALL].constantGas = params.CallGasEIP150
return instructionSet
return validate(instructionSet)
}
// newHomesteadInstructionSet returns the frontier and homestead
@@ -204,21 +213,19 @@ func newHomesteadInstructionSet() JumpTable {
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryDelegateCall,
returns: true,
}
return instructionSet
return validate(instructionSet)
}
// newFrontierInstructionSet returns the frontier instructions
// that can be executed during the frontier phase.
func newFrontierInstructionSet() JumpTable {
return JumpTable{
tbl := JumpTable{
STOP: {
execute: opStop,
constantGas: 0,
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
halts: true,
},
ADD: {
execute: opAdd,
@@ -352,13 +359,13 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
},
SHA3: {
execute: opSha3,
constantGas: params.Sha3Gas,
dynamicGas: gasSha3,
KECCAK256: {
execute: opKeccak256,
constantGas: params.Keccak256Gas,
dynamicGas: gasKeccak256,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
memorySize: memorySha3,
memorySize: memoryKeccak256,
},
ADDRESS: {
execute: opAddress,
@@ -521,21 +528,18 @@ func newFrontierInstructionSet() JumpTable {
dynamicGas: gasSStore,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
writes: true,
},
JUMP: {
execute: opJump,
constantGas: GasMidStep,
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
jumps: true,
},
JUMPI: {
execute: opJumpi,
constantGas: GasSlowStep,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
jumps: true,
},
PC: {
execute: opPc,
@@ -951,7 +955,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryLog,
writes: true,
},
LOG1: {
execute: makeLog(1),
@@ -959,7 +962,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryLog,
writes: true,
},
LOG2: {
execute: makeLog(2),
@@ -967,7 +969,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(4, 0),
maxStack: maxStack(4, 0),
memorySize: memoryLog,
writes: true,
},
LOG3: {
execute: makeLog(3),
@@ -975,7 +976,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(5, 0),
maxStack: maxStack(5, 0),
memorySize: memoryLog,
writes: true,
},
LOG4: {
execute: makeLog(4),
@@ -983,7 +983,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(6, 0),
maxStack: maxStack(6, 0),
memorySize: memoryLog,
writes: true,
},
CREATE: {
execute: opCreate,
@@ -992,8 +991,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
memorySize: memoryCreate,
writes: true,
returns: true,
},
CALL: {
execute: opCall,
@@ -1002,7 +999,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(7, 1),
maxStack: maxStack(7, 1),
memorySize: memoryCall,
returns: true,
},
CALLCODE: {
execute: opCallCode,
@@ -1011,7 +1007,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(7, 1),
maxStack: maxStack(7, 1),
memorySize: memoryCall,
returns: true,
},
RETURN: {
execute: opReturn,
@@ -1019,15 +1014,21 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryReturn,
halts: true,
},
SELFDESTRUCT: {
execute: opSuicide,
execute: opSelfdestruct,
dynamicGas: gasSelfdestruct,
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
halts: true,
writes: true,
},
}
// Fill all unassigned slots with opUndefined.
for i, entry := range tbl {
if entry == nil {
tbl[i] = &operation{execute: opUndefined, maxStack: maxStack(0, 0)}
}
}
return validate(tbl)
}
core/vm/logger.go
+1 -323
View File
@@ -1,4 +1,4 @@
// Copyright 2015 The go-ethereum Authors
// Copyright 2021 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
@@ -17,87 +17,12 @@
package vm
import (
"encoding/hex"
"fmt"
"io"
"math/big"
"strings"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
)
// Storage represents a contract's storage.
type Storage map[common.Hash]common.Hash
// Copy duplicates the current storage.
func (s Storage) Copy() Storage {
cpy := make(Storage)
for key, value := range s {
cpy[key] = value
}
return cpy
}
// LogConfig are the configuration options for structured logger the EVM
type LogConfig struct {
EnableMemory bool // enable memory capture
DisableStack bool // disable stack capture
DisableStorage bool // disable storage capture
EnableReturnData bool // enable return data capture
Debug bool // print output during capture end
Limit int // maximum length of output, but zero means unlimited
// Chain overrides, can be used to execute a trace using future fork rules
Overrides *params.ChainConfig `json:"overrides,omitempty"`
}
//go:generate gencodec -type StructLog -field-override structLogMarshaling -out gen_structlog.go
// StructLog is emitted to the EVM each cycle and lists information about the current internal state
// prior to the execution of the statement.
type StructLog struct {
Pc uint64 `json:"pc"`
Op OpCode `json:"op"`
Gas uint64 `json:"gas"`
GasCost uint64 `json:"gasCost"`
Memory []byte `json:"memory"`
MemorySize int `json:"memSize"`
Stack []uint256.Int `json:"stack"`
ReturnData []byte `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
RefundCounter uint64 `json:"refund"`
Err error `json:"-"`
}
// overrides for gencodec
type structLogMarshaling struct {
Gas math.HexOrDecimal64
GasCost math.HexOrDecimal64
Memory hexutil.Bytes
ReturnData hexutil.Bytes
OpName string `json:"opName"` // adds call to OpName() in MarshalJSON
ErrorString string `json:"error"` // adds call to ErrorString() in MarshalJSON
}
// OpName formats the operand name in a human-readable format.
func (s *StructLog) OpName() string {
return s.Op.String()
}
// ErrorString formats the log's error as a string.
func (s *StructLog) ErrorString() string {
if s.Err != nil {
return s.Err.Error()
}
return ""
}
// EVMLogger is used to collect execution traces from an EVM transaction
// execution. CaptureState is called for each step of the VM with the
// current VM state.
@@ -111,250 +36,3 @@ type EVMLogger interface {
CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
}
// StructLogger is an EVM state logger and implements EVMLogger.
//
// StructLogger can capture state based on the given Log configuration and also keeps
// a track record of modified storage which is used in reporting snapshots of the
// contract their storage.
type StructLogger struct {
cfg LogConfig
env *EVM
storage map[common.Address]Storage
logs []StructLog
output []byte
err error
}
// NewStructLogger returns a new logger
func NewStructLogger(cfg *LogConfig) *StructLogger {
logger := &StructLogger{
storage: make(map[common.Address]Storage),
}
if cfg != nil {
logger.cfg = *cfg
}
return logger
}
// Reset clears the data held by the logger.
func (l *StructLogger) Reset() {
l.storage = make(map[common.Address]Storage)
l.output = make([]byte, 0)
l.logs = l.logs[:0]
l.err = nil
}
// CaptureStart implements the EVMLogger interface to initialize the tracing operation.
func (l *StructLogger) CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
l.env = env
}
// CaptureState logs a new structured log message and pushes it out to the environment
//
// CaptureState also tracks SLOAD/SSTORE ops to track storage change.
func (l *StructLogger) CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error) {
memory := scope.Memory
stack := scope.Stack
contract := scope.Contract
// check if already accumulated the specified number of logs
if l.cfg.Limit != 0 && l.cfg.Limit <= len(l.logs) {
return
}
// Copy a snapshot of the current memory state to a new buffer
var mem []byte
if l.cfg.EnableMemory {
mem = make([]byte, len(memory.Data()))
copy(mem, memory.Data())
}
// Copy a snapshot of the current stack state to a new buffer
var stck []uint256.Int
if !l.cfg.DisableStack {
stck = make([]uint256.Int, len(stack.Data()))
for i, item := range stack.Data() {
stck[i] = item
}
}
// Copy a snapshot of the current storage to a new container
var storage Storage
if !l.cfg.DisableStorage && (op == SLOAD || op == SSTORE) {
// initialise new changed values storage container for this contract
// if not present.
if l.storage[contract.Address()] == nil {
l.storage[contract.Address()] = make(Storage)
}
// capture SLOAD opcodes and record the read entry in the local storage
if op == SLOAD && stack.len() >= 1 {
var (
address = common.Hash(stack.data[stack.len()-1].Bytes32())
value = l.env.StateDB.GetState(contract.Address(), address)
)
l.storage[contract.Address()][address] = value
storage = l.storage[contract.Address()].Copy()
} else if op == SSTORE && stack.len() >= 2 {
// capture SSTORE opcodes and record the written entry in the local storage.
var (
value = common.Hash(stack.data[stack.len()-2].Bytes32())
address = common.Hash(stack.data[stack.len()-1].Bytes32())
)
l.storage[contract.Address()][address] = value
storage = l.storage[contract.Address()].Copy()
}
}
var rdata []byte
if l.cfg.EnableReturnData {
rdata = make([]byte, len(rData))
copy(rdata, rData)
}
// create a new snapshot of the EVM.
log := StructLog{pc, op, gas, cost, mem, memory.Len(), stck, rdata, storage, depth, l.env.StateDB.GetRefund(), err}
l.logs = append(l.logs, log)
}
// CaptureFault implements the EVMLogger interface to trace an execution fault
// while running an opcode.
func (l *StructLogger) CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error) {
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
l.output = output
l.err = err
if l.cfg.Debug {
fmt.Printf("0x%x\n", output)
if err != nil {
fmt.Printf(" error: %v\n", err)
}
}
}
func (l *StructLogger) CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}
func (l *StructLogger) CaptureExit(output []byte, gasUsed uint64, err error) {}
// StructLogs returns the captured log entries.
func (l *StructLogger) StructLogs() []StructLog { return l.logs }
// Error returns the VM error captured by the trace.
func (l *StructLogger) Error() error { return l.err }
// Output returns the VM return value captured by the trace.
func (l *StructLogger) Output() []byte { return l.output }
// WriteTrace writes a formatted trace to the given writer
func WriteTrace(writer io.Writer, logs []StructLog) {
for _, log := range logs {
fmt.Fprintf(writer, "%-16spc=%08d gas=%v cost=%v", log.Op, log.Pc, log.Gas, log.GasCost)
if log.Err != nil {
fmt.Fprintf(writer, " ERROR: %v", log.Err)
}
fmt.Fprintln(writer)
if len(log.Stack) > 0 {
fmt.Fprintln(writer, "Stack:")
for i := len(log.Stack) - 1; i >= 0; i-- {
fmt.Fprintf(writer, "%08d %s\n", len(log.Stack)-i-1, log.Stack[i].Hex())
}
}
if len(log.Memory) > 0 {
fmt.Fprintln(writer, "Memory:")
fmt.Fprint(writer, hex.Dump(log.Memory))
}
if len(log.Storage) > 0 {
fmt.Fprintln(writer, "Storage:")
for h, item := range log.Storage {
fmt.Fprintf(writer, "%x: %x\n", h, item)
}
}
if len(log.ReturnData) > 0 {
fmt.Fprintln(writer, "ReturnData:")
fmt.Fprint(writer, hex.Dump(log.ReturnData))
}
fmt.Fprintln(writer)
}
}
// WriteLogs writes vm logs in a readable format to the given writer
func WriteLogs(writer io.Writer, logs []*types.Log) {
for _, log := range logs {
fmt.Fprintf(writer, "LOG%d: %x bn=%d txi=%x\n", len(log.Topics), log.Address, log.BlockNumber, log.TxIndex)
for i, topic := range log.Topics {
fmt.Fprintf(writer, "%08d %x\n", i, topic)
}
fmt.Fprint(writer, hex.Dump(log.Data))
fmt.Fprintln(writer)
}
}
type mdLogger struct {
out io.Writer
cfg *LogConfig
env *EVM
}
// NewMarkdownLogger creates a logger which outputs information in a format adapted
// for human readability, and is also a valid markdown table
func NewMarkdownLogger(cfg *LogConfig, writer io.Writer) *mdLogger {
l := &mdLogger{out: writer, cfg: cfg}
if l.cfg == nil {
l.cfg = &LogConfig{}
}
return l
}
func (t *mdLogger) CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
t.env = env
if !create {
fmt.Fprintf(t.out, "From: `%v`\nTo: `%v`\nData: `0x%x`\nGas: `%d`\nValue `%v` wei\n",
from.String(), to.String(),
input, gas, value)
} else {
fmt.Fprintf(t.out, "From: `%v`\nCreate at: `%v`\nData: `0x%x`\nGas: `%d`\nValue `%v` wei\n",
from.String(), to.String(),
input, gas, value)
}
fmt.Fprintf(t.out, `
| Pc | Op | Cost | Stack | RStack | Refund |
|-------|-------------|------|-----------|-----------|---------|
`)
}
// CaptureState also tracks SLOAD/SSTORE ops to track storage change.
func (t *mdLogger) CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error) {
stack := scope.Stack
fmt.Fprintf(t.out, "| %4d | %10v | %3d |", pc, op, cost)
if !t.cfg.DisableStack {
// format stack
var a []string
for _, elem := range stack.data {
a = append(a, elem.Hex())
}
b := fmt.Sprintf("[%v]", strings.Join(a, ","))
fmt.Fprintf(t.out, "%10v |", b)
}
fmt.Fprintf(t.out, "%10v |", t.env.StateDB.GetRefund())
fmt.Fprintln(t.out, "")
if err != nil {
fmt.Fprintf(t.out, "Error: %v\n", err)
}
}
func (t *mdLogger) CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error) {
fmt.Fprintf(t.out, "\nError: at pc=%d, op=%v: %v\n", pc, op, err)
}
func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, tm time.Duration, err error) {
fmt.Fprintf(t.out, "\nOutput: `0x%x`\nConsumed gas: `%d`\nError: `%v`\n",
output, gasUsed, err)
}
func (t *mdLogger) CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}
func (t *mdLogger) CaptureExit(output []byte, gasUsed uint64, err error) {}
core/vm/logger_json.go
-96
View File
@@ -1,96 +0,0 @@
// Copyright 2017 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 vm
import (
"encoding/json"
"io"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
)
type JSONLogger struct {
encoder *json.Encoder
cfg *LogConfig
env *EVM
}
// NewJSONLogger creates a new EVM tracer that prints execution steps as JSON objects
// into the provided stream.
func NewJSONLogger(cfg *LogConfig, writer io.Writer) *JSONLogger {
l := &JSONLogger{encoder: json.NewEncoder(writer), cfg: cfg}
if l.cfg == nil {
l.cfg = &LogConfig{}
}
return l
}
func (l *JSONLogger) CaptureStart(env *EVM, from, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
l.env = env
}
func (l *JSONLogger) CaptureFault(uint64, OpCode, uint64, uint64, *ScopeContext, int, error) {}
// CaptureState outputs state information on the logger.
func (l *JSONLogger) CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error) {
memory := scope.Memory
stack := scope.Stack
log := StructLog{
Pc: pc,
Op: op,
Gas: gas,
GasCost: cost,
MemorySize: memory.Len(),
Depth: depth,
RefundCounter: l.env.StateDB.GetRefund(),
Err: err,
}
if l.cfg.EnableMemory {
log.Memory = memory.Data()
}
if !l.cfg.DisableStack {
log.Stack = stack.data
}
if l.cfg.EnableReturnData {
log.ReturnData = rData
}
l.encoder.Encode(log)
}
// CaptureEnd is triggered at end of execution.
func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
type endLog struct {
Output string `json:"output"`
GasUsed math.HexOrDecimal64 `json:"gasUsed"`
Time time.Duration `json:"time"`
Err string `json:"error,omitempty"`
}
var errMsg string
if err != nil {
errMsg = err.Error()
}
l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, errMsg})
}
func (l *JSONLogger) CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}
func (l *JSONLogger) CaptureExit(output []byte, gasUsed uint64, err error) {}
core/vm/logger_test.go
-75
View File
@@ -1,75 +0,0 @@
// Copyright 2016 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 vm
import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
)
type dummyContractRef struct {
calledForEach bool
}
func (dummyContractRef) Address() common.Address { return common.Address{} }
func (dummyContractRef) Value() *big.Int { return new(big.Int) }
func (dummyContractRef) SetCode(common.Hash, []byte) {}
func (d *dummyContractRef) ForEachStorage(callback func(key, value common.Hash) bool) {
d.calledForEach = true
}
func (d *dummyContractRef) SubBalance(amount *big.Int) {}
func (d *dummyContractRef) AddBalance(amount *big.Int) {}
func (d *dummyContractRef) SetBalance(*big.Int) {}
func (d *dummyContractRef) SetNonce(uint64) {}
func (d *dummyContractRef) Balance() *big.Int { return new(big.Int) }
type dummyStatedb struct {
state.StateDB
}
func (*dummyStatedb) GetRefund() uint64 { return 1337 }
func TestStoreCapture(t *testing.T) {
var (
env = NewEVM(BlockContext{}, TxContext{}, &dummyStatedb{}, params.TestChainConfig, Config{})
logger = NewStructLogger(nil)
contract = NewContract(&dummyContractRef{}, &dummyContractRef{}, new(big.Int), 0)
scope = &ScopeContext{
Memory: NewMemory(),
Stack: newstack(),
Contract: contract,
}
)
scope.Stack.push(uint256.NewInt(1))
scope.Stack.push(new(uint256.Int))
var index common.Hash
logger.CaptureStart(env, common.Address{}, contract.Address(), false, nil, 0, nil)
logger.CaptureState(0, SSTORE, 0, 0, scope, nil, 0, nil)
if len(logger.storage[contract.Address()]) == 0 {
t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(),
len(logger.storage[contract.Address()]))
}
exp := common.BigToHash(big.NewInt(1))
if logger.storage[contract.Address()][index] != exp {
t.Errorf("expected %x, got %x", exp, logger.storage[contract.Address()][index])
}
}
core/vm/memory_table.go
+1 -1
View File
@@ -16,7 +16,7 @@
package vm
func memorySha3(stack *Stack) (uint64, bool) {
func memoryKeccak256(stack *Stack) (uint64, bool) {
return calcMemSize64(stack.Back(0), stack.Back(1))
}
core/vm/opcodes.go
+6 -19
View File
@@ -32,11 +32,6 @@ func (op OpCode) IsPush() bool {
return false
}
// IsStaticJump specifies if an opcode is JUMP.
func (op OpCode) IsStaticJump() bool {
return op == JUMP
}
// 0x0 range - arithmetic ops.
const (
STOP OpCode = 0x0
@@ -70,7 +65,7 @@ const (
SHR OpCode = 0x1c
SAR OpCode = 0x1d
SHA3 OpCode = 0x20
KECCAK256 OpCode = 0x20
)
// 0x30 range - closure state.
@@ -207,13 +202,6 @@ const (
LOG4
)
// unofficial opcodes used for parsing.
const (
PUSH OpCode = 0xb0 + iota
DUP
SWAP
)
// 0xf0 range - closures.
const (
CREATE OpCode = 0xf0
@@ -225,6 +213,7 @@ const (
STATICCALL OpCode = 0xfa
REVERT OpCode = 0xfd
INVALID OpCode = 0xfe
SELFDESTRUCT OpCode = 0xff
)
@@ -261,7 +250,7 @@ var opCodeToString = map[OpCode]string{
MULMOD: "MULMOD",
// 0x20 range - crypto.
SHA3: "SHA3",
KECCAK256: "KECCAK256",
// 0x30 range - closure state.
ADDRESS: "ADDRESS",
@@ -390,11 +379,8 @@ var opCodeToString = map[OpCode]string{
CREATE2: "CREATE2",
STATICCALL: "STATICCALL",
REVERT: "REVERT",
INVALID: "INVALID",
SELFDESTRUCT: "SELFDESTRUCT",
PUSH: "PUSH",
DUP: "DUP",
SWAP: "SWAP",
}
func (op OpCode) String() string {
@@ -433,7 +419,7 @@ var stringToOp = map[string]OpCode{
"SAR": SAR,
"ADDMOD": ADDMOD,
"MULMOD": MULMOD,
"SHA3": SHA3,
"KECCAK256": KECCAK256,
"ADDRESS": ADDRESS,
"BALANCE": BALANCE,
"ORIGIN": ORIGIN,
@@ -548,6 +534,7 @@ var stringToOp = map[string]OpCode{
"RETURN": RETURN,
"CALLCODE": CALLCODE,
"REVERT": REVERT,
"INVALID": INVALID,
"SELFDESTRUCT": SELFDESTRUCT,
}
core/vm/runtime/runtime_test.go
+5 -4
View File
@@ -34,6 +34,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/tracers"
"github.com/ethereum/go-ethereum/eth/tracers/logger"
"github.com/ethereum/go-ethereum/params"
// force-load js tracers to trigger registration
@@ -326,7 +327,7 @@ func TestBlockhash(t *testing.T) {
}
type stepCounter struct {
inner *vm.JSONLogger
inner *logger.JSONLogger
steps int
}
@@ -493,7 +494,7 @@ func BenchmarkSimpleLoop(b *testing.B) {
byte(vm.JUMP),
}
//tracer := vm.NewJSONLogger(nil, os.Stdout)
//tracer := logger.NewJSONLogger(nil, os.Stdout)
//Execute(loopingCode, nil, &Config{
// EVMConfig: vm.Config{
// Debug: true,
@@ -536,7 +537,7 @@ func TestEip2929Cases(t *testing.T) {
Execute(code, nil, &Config{
EVMConfig: vm.Config{
Debug: true,
Tracer: vm.NewMarkdownLogger(nil, os.Stdout),
Tracer: logger.NewMarkdownLogger(nil, os.Stdout),
ExtraEips: []int{2929},
},
})
@@ -686,7 +687,7 @@ func TestColdAccountAccessCost(t *testing.T) {
want: 7600,
},
} {
tracer := vm.NewStructLogger(nil)
tracer := logger.NewStructLogger(nil)
Execute(tc.code, nil, &Config{
EVMConfig: vm.Config{
Debug: true,
core/vm/stack.go
-4
View File
@@ -54,10 +54,6 @@ func (st *Stack) push(d *uint256.Int) {
// NOTE push limit (1024) is checked in baseCheck
st.data = append(st.data, *d)
}
func (st *Stack) pushN(ds ...uint256.Int) {
// FIXME: Is there a way to pass args by pointers.
st.data = append(st.data, ds...)
}
func (st *Stack) pop() (ret uint256.Int) {
ret = st.data[len(st.data)-1]