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Merge pull request #1779 from karalabe/split-block-storage-3000 

core: split the db blocks into components, move TD out top level
This commit is contained in:
Jeffrey Wilcke 2015-09-11 08:10:37 -07:00
parent 4e075e4013 cdc2662c40
commit 0eac601b5b
18 changed files with 913 additions and 413 deletions
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7
cmd/geth/main.go
View File

@ -528,17 +528,16 @@ func blockRecovery(ctx *cli.Context) {
var block *types.Block
if arg[0] == '#' {
block = core.GetBlockByNumber(blockDb, common.String2Big(arg[1:]).Uint64())
block = core.GetBlock(blockDb, core.GetCanonicalHash(blockDb, common.String2Big(arg[1:]).Uint64()))
} else {
block = core.GetBlockByHash(blockDb, common.HexToHash(arg))
block = core.GetBlock(blockDb, common.HexToHash(arg))
}
if block == nil {
glog.Fatalln("block not found. Recovery failed")
}
err = core.WriteHead(blockDb, block)
if err != nil {
if err = core.WriteHeadBlockHash(blockDb, block.Hash()); err != nil {
glog.Fatalln("block write err", err)
}
glog.Infof("Recovery succesful. New HEAD %x\n", block.Hash())

1
core/chain_makers.go
View File

@ -158,7 +158,6 @@ func GenerateChain(parent *types.Block, db common.Database, n int, gen func(int,
for i := 0; i < n; i++ {
header := makeHeader(parent, statedb)
block := genblock(i, header)
block.Td = CalcTD(block, parent)
blocks[i] = block
parent = block
}

372
core/chain_manager.go
View File

@ -35,6 +35,7 @@ import (
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/rlp"
"github.com/hashicorp/golang-lru"
)
@ -48,6 +49,9 @@ var (
)
const (
headerCacheLimit = 512
bodyCacheLimit = 256
tdCacheLimit = 1024
blockCacheLimit = 256
maxFutureBlocks = 256
maxTimeFutureBlocks = 30
@ -68,10 +72,13 @@ type ChainManager struct {
checkpoint int // checkpoint counts towards the new checkpoint
td *big.Int
currentBlock *types.Block
lastBlockHash common.Hash
currentGasLimit *big.Int
cache *lru.Cache // cache is the LRU caching
headerCache *lru.Cache // Cache for the most recent block headers
bodyCache *lru.Cache // Cache for the most recent block bodies
bodyRLPCache *lru.Cache // Cache for the most recent block bodies in RLP encoded format
tdCache *lru.Cache // Cache for the most recent block total difficulties
blockCache *lru.Cache // Cache for the most recent entire blocks
futureBlocks *lru.Cache // future blocks are blocks added for later processing
quit chan struct{}
@ -84,13 +91,24 @@ type ChainManager struct {
}
func NewChainManager(chainDb common.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
cache, _ := lru.New(blockCacheLimit)
headerCache, _ := lru.New(headerCacheLimit)
bodyCache, _ := lru.New(bodyCacheLimit)
bodyRLPCache, _ := lru.New(bodyCacheLimit)
tdCache, _ := lru.New(tdCacheLimit)
blockCache, _ := lru.New(blockCacheLimit)
futureBlocks, _ := lru.New(maxFutureBlocks)
bc := &ChainManager{
chainDb: chainDb,
eventMux: mux,
quit: make(chan struct{}),
cache: cache,
pow: pow,
chainDb: chainDb,
eventMux: mux,
quit: make(chan struct{}),
headerCache: headerCache,
bodyCache: bodyCache,
bodyRLPCache: bodyRLPCache,
tdCache: tdCache,
blockCache: blockCache,
futureBlocks: futureBlocks,
pow: pow,
}
bc.genesisBlock = bc.GetBlockByNumber(0)
@ -105,11 +123,9 @@ func NewChainManager(chainDb common.Database, pow pow.PoW, mux *event.TypeMux) (
}
glog.V(logger.Info).Infoln("WARNING: Wrote default ethereum genesis block")
}
if err := bc.setLastState(); err != nil {
return nil, err
}
// Check the current state of the block hashes and make sure that we do not have any of the bad blocks in our chain
for hash, _ := range BadHashes {
if block := bc.GetBlock(hash); block != nil {
@ -123,14 +139,8 @@ func NewChainManager(chainDb common.Database, pow pow.PoW, mux *event.TypeMux) (
glog.V(logger.Error).Infoln("Chain reorg was successfull. Resuming normal operation")
}
}
// Take ownership of this particular state
bc.futureBlocks, _ = lru.New(maxFutureBlocks)
bc.makeCache()
go bc.update()
return bc, nil
}
@ -139,14 +149,16 @@ func (bc *ChainManager) SetHead(head *types.Block) {
defer bc.mu.Unlock()
for block := bc.currentBlock; block != nil && block.Hash() != head.Hash(); block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
DeleteBlock(bc.chainDb, block.Hash())
}
bc.headerCache.Purge()
bc.bodyCache.Purge()
bc.bodyRLPCache.Purge()
bc.blockCache.Purge()
bc.futureBlocks.Purge()
bc.cache, _ = lru.New(blockCacheLimit)
bc.currentBlock = head
bc.makeCache()
bc.setTotalDifficulty(head.Td)
bc.setTotalDifficulty(bc.GetTd(head.Hash()))
bc.insert(head)
bc.setLastState()
}
@ -169,7 +181,7 @@ func (self *ChainManager) LastBlockHash() common.Hash {
self.mu.RLock()
defer self.mu.RUnlock()
return self.lastBlockHash
return self.currentBlock.Hash()
}
func (self *ChainManager) CurrentBlock() *types.Block {
@ -199,13 +211,13 @@ func (bc *ChainManager) recover() bool {
if len(data) != 0 {
block := bc.GetBlock(common.BytesToHash(data))
if block != nil {
err := bc.chainDb.Put([]byte("LastBlock"), block.Hash().Bytes())
if err != nil {
glog.Fatalln("db write err:", err)
if err := WriteCanonicalHash(bc.chainDb, block.Hash(), block.NumberU64()); err != nil {
glog.Fatalf("failed to write database head number: %v", err)
}
if err := WriteHeadBlockHash(bc.chainDb, block.Hash()); err != nil {
glog.Fatalf("failed to write database head hash: %v", err)
}
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
return true
}
}
@ -213,14 +225,13 @@ func (bc *ChainManager) recover() bool {
}
func (bc *ChainManager) setLastState() error {
data, _ := bc.chainDb.Get([]byte("LastBlock"))
if len(data) != 0 {
block := bc.GetBlock(common.BytesToHash(data))
head := GetHeadBlockHash(bc.chainDb)
if head != (common.Hash{}) {
block := bc.GetBlock(head)
if block != nil {
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
} else {
glog.Infof("LastBlock (%x) not found. Recovering...\n", data)
glog.Infof("LastBlock (%x) not found. Recovering...\n", head)
if bc.recover() {
glog.Infof("Recover successful")
} else {
@ -230,7 +241,7 @@ func (bc *ChainManager) setLastState() error {
} else {
bc.Reset()
}
bc.td = bc.currentBlock.Td
bc.td = bc.GetTd(bc.currentBlock.Hash())
bc.currentGasLimit = CalcGasLimit(bc.currentBlock)
if glog.V(logger.Info) {
@ -240,63 +251,37 @@ func (bc *ChainManager) setLastState() error {
return nil
}
func (bc *ChainManager) makeCache() {
bc.cache, _ = lru.New(blockCacheLimit)
// load in last `blockCacheLimit` - 1 blocks. Last block is the current.
bc.cache.Add(bc.genesisBlock.Hash(), bc.genesisBlock)
for _, block := range bc.GetBlocksFromHash(bc.currentBlock.Hash(), blockCacheLimit) {
bc.cache.Add(block.Hash(), block)
}
}
// Reset purges the entire blockchain, restoring it to its genesis state.
func (bc *ChainManager) Reset() {
bc.ResetWithGenesisBlock(bc.genesisBlock)
}
// ResetWithGenesisBlock purges the entire blockchain, restoring it to the
// specified genesis state.
func (bc *ChainManager) ResetWithGenesisBlock(genesis *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
// Dump the entire block chain and purge the caches
for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
DeleteBlock(bc.chainDb, block.Hash())
}
bc.headerCache.Purge()
bc.bodyCache.Purge()
bc.bodyRLPCache.Purge()
bc.blockCache.Purge()
bc.futureBlocks.Purge()
bc.cache, _ = lru.New(blockCacheLimit)
// Prepare the genesis block
err := WriteBlock(bc.chainDb, bc.genesisBlock)
if err != nil {
glog.Fatalln("db err:", err)
// Prepare the genesis block and reinitialize the chain
if err := WriteTd(bc.chainDb, genesis.Hash(), genesis.Difficulty()); err != nil {
glog.Fatalf("failed to write genesis block TD: %v", err)
}
if err := WriteBlock(bc.chainDb, genesis); err != nil {
glog.Fatalf("failed to write genesis block: %v", err)
}
bc.insert(bc.genesisBlock)
bc.currentBlock = bc.genesisBlock
bc.makeCache()
bc.setTotalDifficulty(common.Big("0"))
}
func (bc *ChainManager) removeBlock(block *types.Block) {
bc.chainDb.Delete(append(blockHashPre, block.Hash().Bytes()...))
}
func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.ParentHash()) {
bc.removeBlock(block)
}
// Prepare the genesis block
gb.Td = gb.Difficulty()
bc.genesisBlock = gb
err := WriteBlock(bc.chainDb, bc.genesisBlock)
if err != nil {
glog.Fatalln("db err:", err)
}
bc.insert(bc.genesisBlock)
bc.currentBlock = bc.genesisBlock
bc.makeCache()
bc.td = gb.Difficulty()
bc.setTotalDifficulty(genesis.Difficulty())
}
// Export writes the active chain to the given writer.
@ -335,23 +320,23 @@ func (self *ChainManager) ExportN(w io.Writer, first uint64, last uint64) error
// insert injects a block into the current chain block chain. Note, this function
// assumes that the `mu` mutex is held!
func (bc *ChainManager) insert(block *types.Block) {
err := WriteHead(bc.chainDb, block)
if err != nil {
glog.Fatal("db write fail:", err)
// Add the block to the canonical chain number scheme and mark as the head
if err := WriteCanonicalHash(bc.chainDb, block.Hash(), block.NumberU64()); err != nil {
glog.Fatalf("failed to insert block number: %v", err)
}
if err := WriteHeadBlockHash(bc.chainDb, block.Hash()); err != nil {
glog.Fatalf("failed to insert block number: %v", err)
}
// Add a new restore point if we reached some limit
bc.checkpoint++
if bc.checkpoint > checkpointLimit {
err = bc.chainDb.Put([]byte("checkpoint"), block.Hash().Bytes())
if err != nil {
glog.Fatal("db write fail:", err)
if err := bc.chainDb.Put([]byte("checkpoint"), block.Hash().Bytes()); err != nil {
glog.Fatalf("failed to create checkpoint: %v", err)
}
bc.checkpoint = 0
}
// Update the internal internal state with the head block
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
}
// Accessors
@ -359,61 +344,141 @@ func (bc *ChainManager) Genesis() *types.Block {
return bc.genesisBlock
}
// Block fetching methods
// HasHeader checks if a block header is present in the database or not, caching
// it if present.
func (bc *ChainManager) HasHeader(hash common.Hash) bool {
return bc.GetHeader(hash) != nil
}
// GetHeader retrieves a block header from the database by hash, caching it if
// found.
func (self *ChainManager) GetHeader(hash common.Hash) *types.Header {
// Short circuit if the header's already in the cache, retrieve otherwise
if header, ok := self.headerCache.Get(hash); ok {
return header.(*types.Header)
}
header := GetHeader(self.chainDb, hash)
if header == nil {
return nil
}
// Cache the found header for next time and return
self.headerCache.Add(header.Hash(), header)
return header
}
// GetHeaderByNumber retrieves a block header from the database by number,
// caching it (associated with its hash) if found.
func (self *ChainManager) GetHeaderByNumber(number uint64) *types.Header {
hash := GetCanonicalHash(self.chainDb, number)
if hash == (common.Hash{}) {
return nil
}
return self.GetHeader(hash)
}
// GetBody retrieves a block body (transactions and uncles) from the database by
// hash, caching it if found.
func (self *ChainManager) GetBody(hash common.Hash) *types.Body {
// Short circuit if the body's already in the cache, retrieve otherwise
if cached, ok := self.bodyCache.Get(hash); ok {
body := cached.(*types.Body)
return body
}
body := GetBody(self.chainDb, hash)
if body == nil {
return nil
}
// Cache the found body for next time and return
self.bodyCache.Add(hash, body)
return body
}
// GetBodyRLP retrieves a block body in RLP encoding from the database by hash,
// caching it if found.
func (self *ChainManager) GetBodyRLP(hash common.Hash) rlp.RawValue {
// Short circuit if the body's already in the cache, retrieve otherwise
if cached, ok := self.bodyRLPCache.Get(hash); ok {
return cached.(rlp.RawValue)
}
body := GetBodyRLP(self.chainDb, hash)
if len(body) == 0 {
return nil
}
// Cache the found body for next time and return
self.bodyRLPCache.Add(hash, body)
return body
}
// GetTd retrieves a block's total difficulty in the canonical chain from the
// database by hash, caching it if found.
func (self *ChainManager) GetTd(hash common.Hash) *big.Int {
// Short circuit if the td's already in the cache, retrieve otherwise
if cached, ok := self.tdCache.Get(hash); ok {
return cached.(*big.Int)
}
td := GetTd(self.chainDb, hash)
if td == nil {
return nil
}
// Cache the found body for next time and return
self.tdCache.Add(hash, td)
return td
}
// HasBlock checks if a block is fully present in the database or not, caching
// it if present.
func (bc *ChainManager) HasBlock(hash common.Hash) bool {
if bc.cache.Contains(hash) {
return true
}
data, _ := bc.chainDb.Get(append(blockHashPre, hash[:]...))
return len(data) != 0
}
func (self *ChainManager) GetBlockHashesFromHash(hash common.Hash, max uint64) (chain []common.Hash) {
block := self.GetBlock(hash)
if block == nil {
return
}
// XXX Could be optimised by using a different database which only holds hashes (i.e., linked list)
for i := uint64(0); i < max; i++ {
block = self.GetBlock(block.ParentHash())
if block == nil {
break
}
chain = append(chain, block.Hash())
if block.Number().Cmp(common.Big0) <= 0 {
break
}
}
return
return bc.GetBlock(hash) != nil
}
// GetBlock retrieves a block from the database by hash, caching it if found.
func (self *ChainManager) GetBlock(hash common.Hash) *types.Block {
if block, ok := self.cache.Get(hash); ok {
// Short circuit if the block's already in the cache, retrieve otherwise
if block, ok := self.blockCache.Get(hash); ok {
return block.(*types.Block)
}
block := GetBlockByHash(self.chainDb, hash)
block := GetBlock(self.chainDb, hash)
if block == nil {
return nil
}
// Add the block to the cache
self.cache.Add(hash, (*types.Block)(block))
return (*types.Block)(block)
// Cache the found block for next time and return
self.blockCache.Add(block.Hash(), block)
return block
}
func (self *ChainManager) GetBlockByNumber(num uint64) *types.Block {
self.mu.RLock()
defer self.mu.RUnlock()
return self.getBlockByNumber(num)
// GetBlockByNumber retrieves a block from the database by number, caching it
// (associated with its hash) if found.
func (self *ChainManager) GetBlockByNumber(number uint64) *types.Block {
hash := GetCanonicalHash(self.chainDb, number)
if hash == (common.Hash{}) {
return nil
}
return self.GetBlock(hash)
}
// GetBlockHashesFromHash retrieves a number of block hashes starting at a given
// hash, fetching towards the genesis block.
func (self *ChainManager) GetBlockHashesFromHash(hash common.Hash, max uint64) []common.Hash {
// Get the origin header from which to fetch
header := self.GetHeader(hash)
if header == nil {
return nil
}
// Iterate the headers until enough is collected or the genesis reached
chain := make([]common.Hash, 0, max)
for i := uint64(0); i < max; i++ {
if header = self.GetHeader(header.ParentHash); header == nil {
break
}
chain = append(chain, header.Hash())
if header.Number.Cmp(common.Big0) == 0 {
break
}
}
return chain
}
// [deprecated by eth/62]
// GetBlocksFromHash returns the block corresponding to hash and up to n-1 ancestors.
func (self *ChainManager) GetBlocksFromHash(hash common.Hash, n int) (blocks []*types.Block) {
for i := 0; i < n; i++ {
@ -427,11 +492,6 @@ func (self *ChainManager) GetBlocksFromHash(hash common.Hash, n int) (blocks []*
return
}
// non blocking version
func (self *ChainManager) getBlockByNumber(num uint64) *types.Block {
return GetBlockByNumber(self.chainDb, num)
}
func (self *ChainManager) GetUnclesInChain(block *types.Block, length int) (uncles []*types.Header) {
for i := 0; block != nil && i < length; i++ {
uncles = append(uncles, block.Uncles()...)
@ -487,15 +547,25 @@ const (
SideStatTy
)
// WriteBlock writes the block to the chain (or pending queue)
func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status writeStatus, err error) {
// WriteBlock writes the block to the chain.
func (self *ChainManager) WriteBlock(block *types.Block) (status writeStatus, err error) {
self.wg.Add(1)
defer self.wg.Done()
// Calculate the total difficulty of the block
ptd := self.GetTd(block.ParentHash())
if ptd == nil {
return NonStatTy, ParentError(block.ParentHash())
}
td := new(big.Int).Add(block.Difficulty(), ptd)
self.mu.RLock()
cblock := self.currentBlock
self.mu.RUnlock()
// Compare the TD of the last known block in the canonical chain to make sure it's greater.
// At this point it's possible that a different chain (fork) becomes the new canonical chain.
if block.Td.Cmp(self.Td()) > 0 {
if td.Cmp(self.Td()) > 0 {
// chain fork
if block.ParentHash() != cblock.Hash() {
// during split we merge two different chains and create the new canonical chain
@ -503,12 +573,10 @@ func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status wr
if err != nil {
return NonStatTy, err
}
status = SplitStatTy
}
self.mu.Lock()
self.setTotalDifficulty(block.Td)
self.setTotalDifficulty(td)
self.insert(block)
self.mu.Unlock()
@ -517,9 +585,11 @@ func (self *ChainManager) WriteBlock(block *types.Block, queued bool) (status wr
status = SideStatTy
}
err = WriteBlock(self.chainDb, block)
if err != nil {
glog.Fatalln("db err:", err)
if err := WriteTd(self.chainDb, block.Hash(), td); err != nil {
glog.Fatalf("failed to write block total difficulty: %v", err)
}
if err := WriteBlock(self.chainDb, block); err != nil {
glog.Fatalf("filed to write block contents: %v", err)
}
// Delete from future blocks
self.futureBlocks.Remove(block.Hash())
@ -578,11 +648,6 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
blockErr(block, err)
return i, err
}
// Setting block.Td regardless of error (known for example) prevents errors down the line
// in the protocol handler
block.Td = new(big.Int).Set(CalcTD(block, self.GetBlock(block.ParentHash())))
// Call in to the block processor and check for errors. It's likely that if one block fails
// all others will fail too (unless a known block is returned).
logs, receipts, err := self.processor.Process(block)
@ -622,7 +687,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) (int, error) {
txcount += len(block.Transactions())
// write the block to the chain and get the status
status, err := self.WriteBlock(block, true)
status, err := self.WriteBlock(block)
if err != nil {
return i, err
}
@ -755,12 +820,11 @@ out:
case ChainEvent:
// We need some control over the mining operation. Acquiring locks and waiting for the miner to create new block takes too long
// and in most cases isn't even necessary.
if self.lastBlockHash == event.Hash {
if self.currentBlock.Hash() == event.Hash {
self.currentGasLimit = CalcGasLimit(event.Block)
self.eventMux.Post(ChainHeadEvent{event.Block})
}
}
self.eventMux.Post(event)
}
}

19
core/chain_manager_test.go
View File

@ -77,6 +77,7 @@ func testFork(t *testing.T, bman *BlockProcessor, i, N int, f func(td1, td2 *big
bi1 := bman.bc.GetBlockByNumber(uint64(i)).Hash()
bi2 := bman2.bc.GetBlockByNumber(uint64(i)).Hash()
if bi1 != bi2 {
fmt.Printf("%+v\n%+v\n\n", bi1, bi2)
t.Fatal("chains do not have the same hash at height", i)
}
bman2.bc.SetProcessor(bman2)
@ -110,7 +111,6 @@ func printChain(bc *ChainManager) {
// process blocks against a chain
func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
td := new(big.Int)
for _, block := range chainB {
_, _, err := bman.bc.processor.Process(block)
if err != nil {
@ -119,17 +119,12 @@ func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
}
return nil, err
}
parent := bman.bc.GetBlock(block.ParentHash())
block.Td = CalcTD(block, parent)
td = block.Td
bman.bc.mu.Lock()
{
WriteBlock(bman.bc.chainDb, block)
}
WriteTd(bman.bc.chainDb, block.Hash(), new(big.Int).Add(block.Difficulty(), bman.bc.GetTd(block.ParentHash())))
WriteBlock(bman.bc.chainDb, block)
bman.bc.mu.Unlock()
}
return td, nil
return bman.bc.GetTd(chainB[len(chainB)-1].Hash()), nil
}
func loadChain(fn string, t *testing.T) (types.Blocks, error) {
@ -388,7 +383,11 @@ func makeChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.Block
func chm(genesis *types.Block, db common.Database) *ChainManager {
var eventMux event.TypeMux
bc := &ChainManager{chainDb: db, genesisBlock: genesis, eventMux: &eventMux, pow: FakePow{}}
bc.cache, _ = lru.New(100)
bc.headerCache, _ = lru.New(100)
bc.bodyCache, _ = lru.New(100)
bc.bodyRLPCache, _ = lru.New(100)
bc.tdCache, _ = lru.New(100)
bc.blockCache, _ = lru.New(100)
bc.futureBlocks, _ = lru.New(100)
bc.processor = bproc{}
bc.ResetWithGenesisBlock(genesis)

302
core/chain_util.go
View File

@ -19,7 +19,6 @@ package core
import (
"bytes"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
@ -30,9 +29,18 @@ import (
)
var (
blockHashPre = []byte("block-hash-")
blockNumPre = []byte("block-num-")
headHeaderKey = []byte("LastHeader")
headBlockKey = []byte("LastBlock")
blockPrefix = []byte("block-")
blockNumPrefix = []byte("block-num-")
headerSuffix = []byte("-header")
bodySuffix = []byte("-body")
tdSuffix = []byte("-td")
ExpDiffPeriod = big.NewInt(100000)
blockHashPre = []byte("block-hash-") // [deprecated by eth/63]
)
// CalcDifficulty is the difficulty adjustment algorithm. It returns
@ -69,16 +77,6 @@ func CalcDifficulty(time, parentTime uint64, parentNumber, parentDiff *big.Int)
return diff
}
// CalcTD computes the total difficulty of block.
func CalcTD(block, parent *types.Block) *big.Int {
if parent == nil {
return block.Difficulty()
}
d := block.Difficulty()
d.Add(d, parent.Td)
return d
}
// CalcGasLimit computes the gas limit of the next block after parent.
// The result may be modified by the caller.
// This is miner strategy, not consensus protocol.
@ -112,8 +110,230 @@ func CalcGasLimit(parent *types.Block) *big.Int {
return gl
}
// GetBlockByHash returns the block corresponding to the hash or nil if not found
func GetBlockByHash(db common.Database, hash common.Hash) *types.Block {
// GetCanonicalHash retrieves a hash assigned to a canonical block number.
func GetCanonicalHash(db common.Database, number uint64) common.Hash {
data, _ := db.Get(append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...))
if len(data) == 0 {
return common.Hash{}
}
return common.BytesToHash(data)
}
// GetHeadHeaderHash retrieves the hash of the current canonical head block's
// header. The difference between this and GetHeadBlockHash is that whereas the
// last block hash is only updated upon a full block import, the last header
// hash is updated already at header import, allowing head tracking for the
// fast synchronization mechanism.
func GetHeadHeaderHash(db common.Database) common.Hash {
data, _ := db.Get(headHeaderKey)
if len(data) == 0 {
return common.Hash{}
}
return common.BytesToHash(data)
}
// GetHeadBlockHash retrieves the hash of the current canonical head block.
func GetHeadBlockHash(db common.Database) common.Hash {
data, _ := db.Get(headBlockKey)
if len(data) == 0 {
return common.Hash{}
}
return common.BytesToHash(data)
}
// GetHeaderRLP retrieves a block header in its raw RLP database encoding, or nil
// if the header's not found.
func GetHeaderRLP(db common.Database, hash common.Hash) rlp.RawValue {
data, _ := db.Get(append(append(blockPrefix, hash[:]...), headerSuffix...))
return data
}
// GetHeader retrieves the block header corresponding to the hash, nil if none
// found.
func GetHeader(db common.Database, hash common.Hash) *types.Header {
data := GetHeaderRLP(db, hash)
if len(data) == 0 {
return nil
}
header := new(types.Header)
if err := rlp.Decode(bytes.NewReader(data), header); err != nil {
glog.V(logger.Error).Infof("invalid block header RLP for hash %x: %v", hash, err)
return nil
}
return header
}
// GetBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.
func GetBodyRLP(db common.Database, hash common.Hash) rlp.RawValue {
data, _ := db.Get(append(append(blockPrefix, hash[:]...), bodySuffix...))
return data
}
// GetBody retrieves the block body (transactons, uncles) corresponding to the
// hash, nil if none found.
func GetBody(db common.Database, hash common.Hash) *types.Body {
data := GetBodyRLP(db, hash)
if len(data) == 0 {
return nil
}
body := new(types.Body)
if err := rlp.Decode(bytes.NewReader(data), body); err != nil {
glog.V(logger.Error).Infof("invalid block body RLP for hash %x: %v", hash, err)
return nil
}
return body
}
// GetTd retrieves a block's total difficulty corresponding to the hash, nil if
// none found.
func GetTd(db common.Database, hash common.Hash) *big.Int {
data, _ := db.Get(append(append(blockPrefix, hash.Bytes()...), tdSuffix...))
if len(data) == 0 {
return nil
}
td := new(big.Int)
if err := rlp.Decode(bytes.NewReader(data), td); err != nil {
glog.V(logger.Error).Infof("invalid block total difficulty RLP for hash %x: %v", hash, err)
return nil
}
return td
}
// GetBlock retrieves an entire block corresponding to the hash, assembling it
// back from the stored header and body.
func GetBlock(db common.Database, hash common.Hash) *types.Block {
// Retrieve the block header and body contents
header := GetHeader(db, hash)
if header == nil {
return nil
}
body := GetBody(db, hash)
if body == nil {
return nil
}
// Reassemble the block and return
return types.NewBlockWithHeader(header).WithBody(body.Transactions, body.Uncles)
}
// WriteCanonicalHash stores the canonical hash for the given block number.
func WriteCanonicalHash(db common.Database, hash common.Hash, number uint64) error {
key := append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...)
if err := db.Put(key, hash.Bytes()); err != nil {
glog.Fatalf("failed to store number to hash mapping into database: %v", err)
return err
}
return nil
}
// WriteHeadHeaderHash stores the head header's hash.
func WriteHeadHeaderHash(db common.Database, hash common.Hash) error {
if err := db.Put(headHeaderKey, hash.Bytes()); err != nil {
glog.Fatalf("failed to store last header's hash into database: %v", err)
return err
}
return nil
}
// WriteHeadBlockHash stores the head block's hash.
func WriteHeadBlockHash(db common.Database, hash common.Hash) error {
if err := db.Put(headBlockKey, hash.Bytes()); err != nil {
glog.Fatalf("failed to store last block's hash into database: %v", err)
return err
}
return nil
}
// WriteHeader serializes a block header into the database.
func WriteHeader(db common.Database, header *types.Header) error {
data, err := rlp.EncodeToBytes(header)
if err != nil {
return err
}
key := append(append(blockPrefix, header.Hash().Bytes()...), headerSuffix...)
if err := db.Put(key, data); err != nil {
glog.Fatalf("failed to store header into database: %v", err)
return err
}
glog.V(logger.Debug).Infof("stored header #%v [%x…]", header.Number, header.Hash().Bytes()[:4])
return nil
}
// WriteBody serializes the body of a block into the database.
func WriteBody(db common.Database, hash common.Hash, body *types.Body) error {
data, err := rlp.EncodeToBytes(body)
if err != nil {
return err
}
key := append(append(blockPrefix, hash.Bytes()...), bodySuffix...)
if err := db.Put(key, data); err != nil {
glog.Fatalf("failed to store block body into database: %v", err)
return err
}
glog.V(logger.Debug).Infof("stored block body [%x…]", hash.Bytes()[:4])
return nil
}
// WriteTd serializes the total difficulty of a block into the database.
func WriteTd(db common.Database, hash common.Hash, td *big.Int) error {
data, err := rlp.EncodeToBytes(td)
if err != nil {
return err
}
key := append(append(blockPrefix, hash.Bytes()...), tdSuffix...)
if err := db.Put(key, data); err != nil {
glog.Fatalf("failed to store block total difficulty into database: %v", err)
return err
}
glog.V(logger.Debug).Infof("stored block total difficulty [%x…]: %v", hash.Bytes()[:4], td)
return nil
}
// WriteBlock serializes a block into the database, header and body separately.
func WriteBlock(db common.Database, block *types.Block) error {
// Store the body first to retain database consistency
if err := WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
return err
}
// Store the header too, signaling full block ownership
if err := WriteHeader(db, block.Header()); err != nil {
return err
}
return nil
}
// DeleteCanonicalHash removes the number to hash canonical mapping.
func DeleteCanonicalHash(db common.Database, number uint64) {
db.Delete(append(blockNumPrefix, big.NewInt(int64(number)).Bytes()...))
}
// DeleteHeader removes all block header data associated with a hash.
func DeleteHeader(db common.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), headerSuffix...))
}
// DeleteBody removes all block body data associated with a hash.
func DeleteBody(db common.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), bodySuffix...))
}
// DeleteTd removes all block total difficulty data associated with a hash.
func DeleteTd(db common.Database, hash common.Hash) {
db.Delete(append(append(blockPrefix, hash.Bytes()...), tdSuffix...))
}
// DeleteBlock removes all block data associated with a hash.
func DeleteBlock(db common.Database, hash common.Hash) {
DeleteHeader(db, hash)
DeleteBody(db, hash)
DeleteTd(db, hash)
}
// [deprecated by eth/63]
// GetBlockByHashOld returns the old combined block corresponding to the hash
// or nil if not found. This method is only used by the upgrade mechanism to
// access the old combined block representation. It will be dropped after the
// network transitions to eth/63.
func GetBlockByHashOld(db common.Database, hash common.Hash) *types.Block {
data, _ := db.Get(append(blockHashPre, hash[:]...))
if len(data) == 0 {
return nil
@ -125,55 +345,3 @@ func GetBlockByHash(db common.Database, hash common.Hash) *types.Block {
}
return (*types.Block)(&block)
}
// GetBlockByHash returns the canonical block by number or nil if not found
func GetBlockByNumber(db common.Database, number uint64) *types.Block {
key, _ := db.Get(append(blockNumPre, big.NewInt(int64(number)).Bytes()...))
if len(key) == 0 {
return nil
}
return GetBlockByHash(db, common.BytesToHash(key))
}
// WriteCanonNumber writes the canonical hash for the given block
func WriteCanonNumber(db common.Database, block *types.Block) error {
key := append(blockNumPre, block.Number().Bytes()...)
err := db.Put(key, block.Hash().Bytes())
if err != nil {
return err
}
return nil
}
// WriteHead force writes the current head
func WriteHead(db common.Database, block *types.Block) error {
err := WriteCanonNumber(db, block)
if err != nil {
return err
}
err = db.Put([]byte("LastBlock"), block.Hash().Bytes())
if err != nil {
return err
}
return nil
}
// WriteBlock writes a block to the database
func WriteBlock(db common.Database, block *types.Block) error {
tstart := time.Now()
enc, _ := rlp.EncodeToBytes((*types.StorageBlock)(block))
key := append(blockHashPre, block.Hash().Bytes()...)
err := db.Put(key, enc)
if err != nil {
glog.Fatal("db write fail:", err)
return err
}
if glog.V(logger.Debug) {
glog.Infof("wrote block #%v %s. Took %v\n", block.Number(), common.PP(block.Hash().Bytes()), time.Since(tstart))
}
return nil
}

243
core/chain_util_test.go
View File

@ -23,6 +23,10 @@ import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/rlp"
)
type diffTest struct {
@ -75,3 +79,242 @@ func TestDifficulty(t *testing.T) {
}
}
}
// Tests block header storage and retrieval operations.
func TestHeaderStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
// Create a test header to move around the database and make sure it's really new
header := &types.Header{Extra: []byte("test header")}
if entry := GetHeader(db, header.Hash()); entry != nil {
t.Fatalf("Non existent header returned: %v", entry)
}
// Write and verify the header in the database
if err := WriteHeader(db, header); err != nil {
t.Fatalf("Failed to write header into database: %v", err)
}
if entry := GetHeader(db, header.Hash()); entry == nil {
t.Fatalf("Stored header not found")
} else if entry.Hash() != header.Hash() {
t.Fatalf("Retrieved header mismatch: have %v, want %v", entry, header)
}
if entry := GetHeaderRLP(db, header.Hash()); entry == nil {
t.Fatalf("Stored header RLP not found")
} else {
hasher := sha3.NewKeccak256()
hasher.Write(entry)
if hash := common.BytesToHash(hasher.Sum(nil)); hash != header.Hash() {
t.Fatalf("Retrieved RLP header mismatch: have %v, want %v", entry, header)
}
}
// Delete the header and verify the execution
DeleteHeader(db, header.Hash())
if entry := GetHeader(db, header.Hash()); entry != nil {
t.Fatalf("Deleted header returned: %v", entry)
}
}
// Tests block body storage and retrieval operations.
func TestBodyStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
// Create a test body to move around the database and make sure it's really new
body := &types.Body{Uncles: []*types.Header{{Extra: []byte("test header")}}}
hasher := sha3.NewKeccak256()
rlp.Encode(hasher, body)
hash := common.BytesToHash(hasher.Sum(nil))
if entry := GetBody(db, hash); entry != nil {
t.Fatalf("Non existent body returned: %v", entry)
}
// Write and verify the body in the database
if err := WriteBody(db, hash, body); err != nil {
t.Fatalf("Failed to write body into database: %v", err)
}
if entry := GetBody(db, hash); entry == nil {
t.Fatalf("Stored body not found")
} else if types.DeriveSha(types.Transactions(entry.Transactions)) != types.DeriveSha(types.Transactions(body.Transactions)) || types.CalcUncleHash(entry.Uncles) != types.CalcUncleHash(body.Uncles) {
t.Fatalf("Retrieved body mismatch: have %v, want %v", entry, body)
}
if entry := GetBodyRLP(db, hash); entry == nil {
t.Fatalf("Stored body RLP not found")
} else {
hasher := sha3.NewKeccak256()
hasher.Write(entry)
if calc := common.BytesToHash(hasher.Sum(nil)); calc != hash {
t.Fatalf("Retrieved RLP body mismatch: have %v, want %v", entry, body)
}
}
// Delete the body and verify the execution
DeleteBody(db, hash)
if entry := GetBody(db, hash); entry != nil {
t.Fatalf("Deleted body returned: %v", entry)
}
}
// Tests block storage and retrieval operations.
func TestBlockStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
// Create a test block to move around the database and make sure it's really new
block := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block")})
if entry := GetBlock(db, block.Hash()); entry != nil {
t.Fatalf("Non existent block returned: %v", entry)
}
if entry := GetHeader(db, block.Hash()); entry != nil {
t.Fatalf("Non existent header returned: %v", entry)
}
if entry := GetBody(db, block.Hash()); entry != nil {
t.Fatalf("Non existent body returned: %v", entry)
}
// Write and verify the block in the database
if err := WriteBlock(db, block); err != nil {
t.Fatalf("Failed to write block into database: %v", err)
}
if entry := GetBlock(db, block.Hash()); entry == nil {
t.Fatalf("Stored block not found")
} else if entry.Hash() != block.Hash() {
t.Fatalf("Retrieved block mismatch: have %v, want %v", entry, block)
}
if entry := GetHeader(db, block.Hash()); entry == nil {
t.Fatalf("Stored header not found")
} else if entry.Hash() != block.Header().Hash() {
t.Fatalf("Retrieved header mismatch: have %v, want %v", entry, block.Header())
}
if entry := GetBody(db, block.Hash()); entry == nil {
t.Fatalf("Stored body not found")
} else if types.DeriveSha(types.Transactions(entry.Transactions)) != types.DeriveSha(block.Transactions()) || types.CalcUncleHash(entry.Uncles) != types.CalcUncleHash(block.Uncles()) {
t.Fatalf("Retrieved body mismatch: have %v, want %v", entry, &types.Body{block.Transactions(), block.Uncles()})
}
// Delete the block and verify the execution
DeleteBlock(db, block.Hash())
if entry := GetBlock(db, block.Hash()); entry != nil {
t.Fatalf("Deleted block returned: %v", entry)
}
if entry := GetHeader(db, block.Hash()); entry != nil {
t.Fatalf("Deleted header returned: %v", entry)
}
if entry := GetBody(db, block.Hash()); entry != nil {
t.Fatalf("Deleted body returned: %v", entry)
}
}
// Tests that partial block contents don't get reassembled into full blocks.
func TestPartialBlockStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
block := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block")})
// Store a header and check that it's not recognized as a block
if err := WriteHeader(db, block.Header()); err != nil {
t.Fatalf("Failed to write header into database: %v", err)
}
if entry := GetBlock(db, block.Hash()); entry != nil {
t.Fatalf("Non existent block returned: %v", entry)
}
DeleteHeader(db, block.Hash())
// Store a body and check that it's not recognized as a block
if err := WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
t.Fatalf("Failed to write body into database: %v", err)
}
if entry := GetBlock(db, block.Hash()); entry != nil {
t.Fatalf("Non existent block returned: %v", entry)
}
DeleteBody(db, block.Hash())
// Store a header and a body separately and check reassembly
if err := WriteHeader(db, block.Header()); err != nil {
t.Fatalf("Failed to write header into database: %v", err)
}
if err := WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
t.Fatalf("Failed to write body into database: %v", err)
}
if entry := GetBlock(db, block.Hash()); entry == nil {
t.Fatalf("Stored block not found")
} else if entry.Hash() != block.Hash() {
t.Fatalf("Retrieved block mismatch: have %v, want %v", entry, block)
}
}
// Tests block total difficulty storage and retrieval operations.
func TestTdStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
// Create a test TD to move around the database and make sure it's really new
hash, td := common.Hash{}, big.NewInt(314)
if entry := GetTd(db, hash); entry != nil {
t.Fatalf("Non existent TD returned: %v", entry)
}
// Write and verify the TD in the database
if err := WriteTd(db, hash, td); err != nil {
t.Fatalf("Failed to write TD into database: %v", err)
}
if entry := GetTd(db, hash); entry == nil {
t.Fatalf("Stored TD not found")
} else if entry.Cmp(td) != 0 {
t.Fatalf("Retrieved TD mismatch: have %v, want %v", entry, td)
}
// Delete the TD and verify the execution
DeleteTd(db, hash)
if entry := GetTd(db, hash); entry != nil {
t.Fatalf("Deleted TD returned: %v", entry)
}
}
// Tests that canonical numbers can be mapped to hashes and retrieved.
func TestCanonicalMappingStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
// Create a test canonical number and assinged hash to move around
hash, number := common.Hash{0: 0xff}, uint64(314)
if entry := GetCanonicalHash(db, number); entry != (common.Hash{}) {
t.Fatalf("Non existent canonical mapping returned: %v", entry)
}
// Write and verify the TD in the database
if err := WriteCanonicalHash(db, hash, number); err != nil {
t.Fatalf("Failed to write canonical mapping into database: %v", err)
}
if entry := GetCanonicalHash(db, number); entry == (common.Hash{}) {
t.Fatalf("Stored canonical mapping not found")
} else if entry != hash {
t.Fatalf("Retrieved canonical mapping mismatch: have %v, want %v", entry, hash)
}
// Delete the TD and verify the execution
DeleteCanonicalHash(db, number)
if entry := GetCanonicalHash(db, number); entry != (common.Hash{}) {
t.Fatalf("Deleted canonical mapping returned: %v", entry)
}
}
// Tests that head headers and head blocks can be assigned, individually.
func TestHeadStorage(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
blockHead := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block header")})
blockFull := types.NewBlockWithHeader(&types.Header{Extra: []byte("test block full")})
// Check that no head entries are in a pristine database
if entry := GetHeadHeaderHash(db); entry != (common.Hash{}) {
t.Fatalf("Non head header entry returned: %v", entry)
}
if entry := GetHeadBlockHash(db); entry != (common.Hash{}) {
t.Fatalf("Non head block entry returned: %v", entry)
}
// Assign separate entries for the head header and block
if err := WriteHeadHeaderHash(db, blockHead.Hash()); err != nil {
t.Fatalf("Failed to write head header hash: %v", err)
}
if err := WriteHeadBlockHash(db, blockFull.Hash()); err != nil {
t.Fatalf("Failed to write head block hash: %v", err)
}
// Check that both heads are present, and different (i.e. two heads maintained)
if entry := GetHeadHeaderHash(db); entry != blockHead.Hash() {
t.Fatalf("Head header hash mismatch: have %v, want %v", entry, blockHead.Hash())
}
if entry := GetHeadBlockHash(db); entry != blockFull.Hash() {
t.Fatalf("Head block hash mismatch: have %v, want %v", entry, blockFull.Hash())
}
}

20
core/genesis.go
View File

@ -82,28 +82,29 @@ func WriteGenesisBlock(chainDb common.Database, reader io.Reader) (*types.Block,
Coinbase: common.HexToAddress(genesis.Coinbase),
Root: statedb.Root(),
}, nil, nil, nil)
block.Td = difficulty
if block := GetBlockByHash(chainDb, block.Hash()); block != nil {
if block := GetBlock(chainDb, block.Hash()); block != nil {
glog.V(logger.Info).Infoln("Genesis block already in chain. Writing canonical number")
err := WriteCanonNumber(chainDb, block)
err := WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64())
if err != nil {
return nil, err
}
return block, nil
}
statedb.Sync()
err = WriteBlock(chainDb, block)
if err != nil {
if err := WriteTd(chainDb, block.Hash(), difficulty); err != nil {
return nil, err
}
err = WriteHead(chainDb, block)
if err != nil {
if err := WriteBlock(chainDb, block); err != nil {
return nil, err
}
if err := WriteCanonicalHash(chainDb, block.Hash(), block.NumberU64()); err != nil {
return nil, err
}
if err := WriteHeadBlockHash(chainDb, block.Hash()); err != nil {
return nil, err
}
return block, nil
}
@ -120,7 +121,6 @@ func GenesisBlockForTesting(db common.Database, addr common.Address, balance *bi
GasLimit: params.GenesisGasLimit,
Root: statedb.Root(),
}, nil, nil, nil)
block.Td = params.GenesisDifficulty
return block
}

37
core/types/block.go
View File

@ -117,6 +117,13 @@ func rlpHash(x interface{}) (h common.Hash) {
return h
}
// Body is a simple (mutable, non-safe) data container for storing and moving
// a block's data contents (transactions and uncles) together.
type Body struct {
Transactions []*Transaction
Uncles []*Header
}
type Block struct {
header *Header
uncles []*Header
@ -129,12 +136,20 @@ type Block struct {
// Td is used by package core to store the total difficulty
// of the chain up to and including the block.
Td *big.Int
td *big.Int
// ReceivedAt is used by package eth to track block propagation time.
ReceivedAt time.Time
}
// DeprecatedTd is an old relic for extracting the TD of a block. It is in the
// code solely to facilitate upgrading the database from the old format to the
// new, after which it should be deleted. Do not use!
func (b *Block) DeprecatedTd() *big.Int {
return b.td
}
// [deprecated by eth/63]
// StorageBlock defines the RLP encoding of a Block stored in the
// state database. The StorageBlock encoding contains fields that
// would otherwise need to be recomputed.
@ -147,6 +162,7 @@ type extblock struct {
Uncles []*Header
}
// [deprecated by eth/63]
// "storage" block encoding. used for database.
type storageblock struct {
Header *Header
@ -168,7 +184,7 @@ var (
// are ignored and set to values derived from the given txs, uncles
// and receipts.
func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*Receipt) *Block {
b := &Block{header: copyHeader(header), Td: new(big.Int)}
b := &Block{header: copyHeader(header), td: new(big.Int)}
// TODO: panic if len(txs) != len(receipts)
if len(txs) == 0 {
@ -268,24 +284,16 @@ func (b *Block) EncodeRLP(w io.Writer) error {
})
}
// [deprecated by eth/63]
func (b *StorageBlock) DecodeRLP(s *rlp.Stream) error {
var sb storageblock
if err := s.Decode(&sb); err != nil {
return err
}
b.header, b.uncles, b.transactions, b.Td = sb.Header, sb.Uncles, sb.Txs, sb.TD
b.header, b.uncles, b.transactions, b.td = sb.Header, sb.Uncles, sb.Txs, sb.TD
return nil
}
func (b *StorageBlock) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, storageblock{
Header: b.header,
Txs: b.transactions,
Uncles: b.uncles,
TD: b.Td,
})
}
// TODO: copies
func (b *Block) Uncles() []*Header { return b.uncles }
func (b *Block) Transactions() Transactions { return b.transactions }
@ -356,7 +364,6 @@ func (b *Block) WithMiningResult(nonce uint64, mixDigest common.Hash) *Block {
transactions: b.transactions,
receipts: b.receipts,
uncles: b.uncles,
Td: b.Td,
}
}
@ -386,7 +393,7 @@ func (b *Block) Hash() common.Hash {
}
func (b *Block) String() string {
str := fmt.Sprintf(`Block(#%v): Size: %v TD: %v {
str := fmt.Sprintf(`Block(#%v): Size: %v {
MinerHash: %x
%v
Transactions:
@ -394,7 +401,7 @@ Transactions:
Uncles:
%v
}
`, b.Number(), b.Size(), b.Td, b.header.HashNoNonce(), b.header, b.transactions, b.uncles)
`, b.Number(), b.Size(), b.header.HashNoNonce(), b.header, b.transactions, b.uncles)
return str
}

122
eth/backend.go
View File

@ -18,6 +18,7 @@
package eth
import (
"bytes"
"crypto/ecdsa"
"encoding/json"
"fmt"
@ -269,11 +270,7 @@ func New(config *Config) (*Ethereum, error) {
newdb = func(path string) (common.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
}
// attempt to merge database together, upgrading from an old version
if err := mergeDatabases(config.DataDir, newdb); err != nil {
return nil, err
}
// Open the chain database and perform any upgrades needed
chainDb, err := newdb(filepath.Join(config.DataDir, "chaindata"))
if err != nil {
return nil, fmt.Errorf("blockchain db err: %v", err)
@ -281,6 +278,10 @@ func New(config *Config) (*Ethereum, error) {
if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
db.Meter("eth/db/chaindata/")
}
if err := upgradeChainDatabase(chainDb); err != nil {
return nil, err
}
dappDb, err := newdb(filepath.Join(config.DataDir, "dapp"))
if err != nil {
return nil, fmt.Errorf("dapp db err: %v", err)
@ -315,9 +316,13 @@ func New(config *Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
case config.GenesisBlock != nil: // This is for testing only.
}
// This is for testing only.
if config.GenesisBlock != nil {
core.WriteTd(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.Difficulty())
core.WriteBlock(chainDb, config.GenesisBlock)
core.WriteHead(chainDb, config.GenesisBlock)
core.WriteCanonicalHash(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.NumberU64())
core.WriteHeadBlockHash(chainDb, config.GenesisBlock.Hash())
}
if !config.SkipBcVersionCheck {
@ -721,74 +726,61 @@ func saveBlockchainVersion(db common.Database, bcVersion int) {
}
}
// mergeDatabases when required merge old database layout to one single database
func mergeDatabases(datadir string, newdb func(path string) (common.Database, error)) error {
// Check if already upgraded
data := filepath.Join(datadir, "chaindata")
if _, err := os.Stat(data); !os.IsNotExist(err) {
// upgradeChainDatabase ensures that the chain database stores block split into
// separate header and body entries.
func upgradeChainDatabase(db common.Database) error {
// Short circuit if the head block is stored already as separate header and body
data, err := db.Get([]byte("LastBlock"))
if err != nil {
return nil
}
// make sure it's not just a clean path
chainPath := filepath.Join(datadir, "blockchain")
if _, err := os.Stat(chainPath); os.IsNotExist(err) {
head := common.BytesToHash(data)
if block := core.GetBlockByHashOld(db, head); block == nil {
return nil
}
glog.Infoln("Database upgrade required. Upgrading...")
// At least some of the database is still the old format, upgrade (skip the head block!)
glog.V(logger.Info).Info("Old database detected, upgrading...")
database, err := newdb(data)
if err != nil {
return fmt.Errorf("creating data db err: %v", err)
}
defer database.Close()
if db, ok := db.(*ethdb.LDBDatabase); ok {
blockPrefix := []byte("block-hash-")
for it := db.NewIterator(); it.Next(); {
// Skip anything other than a combined block
if !bytes.HasPrefix(it.Key(), blockPrefix) {
continue
}
// Skip the head block (merge last to signal upgrade completion)
if bytes.HasSuffix(it.Key(), head.Bytes()) {
continue
}
// Load the block, split and serialize (order!)
block := core.GetBlockByHashOld(db, common.BytesToHash(bytes.TrimPrefix(it.Key(), blockPrefix)))
// Migrate blocks
chainDb, err := newdb(chainPath)
if err != nil {
return fmt.Errorf("state db err: %v", err)
}
defer chainDb.Close()
if chain, ok := chainDb.(*ethdb.LDBDatabase); ok {
glog.Infoln("Merging blockchain database...")
it := chain.NewIterator()
for it.Next() {
database.Put(it.Key(), it.Value())
if err := core.WriteTd(db, block.Hash(), block.DeprecatedTd()); err != nil {
return err
}
if err := core.WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
return err
}
if err := core.WriteHeader(db, block.Header()); err != nil {
return err
}
if err := db.Delete(it.Key()); err != nil {
return err
}
}
it.Release()
}
// Lastly, upgrade the head block, disabling the upgrade mechanism
current := core.GetBlockByHashOld(db, head)
// Migrate state
stateDb, err := newdb(filepath.Join(datadir, "state"))
if err != nil {
return fmt.Errorf("state db err: %v", err)
}
defer stateDb.Close()
if state, ok := stateDb.(*ethdb.LDBDatabase); ok {
glog.Infoln("Merging state database...")
it := state.NewIterator()
for it.Next() {
database.Put(it.Key(), it.Value())
if err := core.WriteTd(db, current.Hash(), current.DeprecatedTd()); err != nil {
return err
}
it.Release()
}
// Migrate transaction / receipts
extraDb, err := newdb(filepath.Join(datadir, "extra"))
if err != nil {
return fmt.Errorf("state db err: %v", err)
}
defer extraDb.Close()
if extra, ok := extraDb.(*ethdb.LDBDatabase); ok {
glog.Infoln("Merging transaction database...")
it := extra.NewIterator()
for it.Next() {
database.Put(it.Key(), it.Value())
if err := core.WriteBody(db, current.Hash(), &types.Body{current.Transactions(), current.Uncles()}); err != nil {
return err
}
if err := core.WriteHeader(db, current.Header()); err != nil {
return err
}
it.Release()
}
return nil
}

11
eth/downloader/downloader.go
View File

@ -87,6 +87,9 @@ type blockRetrievalFn func(common.Hash) *types.Block
// headRetrievalFn is a callback type for retrieving the head block from the local chain.
type headRetrievalFn func() *types.Block
// tdRetrievalFn is a callback type for retrieving the total difficulty of a local block.
type tdRetrievalFn func(common.Hash) *big.Int
// chainInsertFn is a callback type to insert a batch of blocks into the local chain.
type chainInsertFn func(types.Blocks) (int, error)
@ -136,6 +139,7 @@ type Downloader struct {
hasBlock hashCheckFn // Checks if a block is present in the chain
getBlock blockRetrievalFn // Retrieves a block from the chain
headBlock headRetrievalFn // Retrieves the head block from the chain
getTd tdRetrievalFn // Retrieves the TD of a block from the chain
insertChain chainInsertFn // Injects a batch of blocks into the chain
dropPeer peerDropFn // Drops a peer for misbehaving
@ -168,7 +172,7 @@ type Block struct {
}
// New creates a new downloader to fetch hashes and blocks from remote peers.
func New(mux *event.TypeMux, hasBlock hashCheckFn, getBlock blockRetrievalFn, headBlock headRetrievalFn, insertChain chainInsertFn, dropPeer peerDropFn) *Downloader {
func New(mux *event.TypeMux, hasBlock hashCheckFn, getBlock blockRetrievalFn, headBlock headRetrievalFn, getTd tdRetrievalFn, insertChain chainInsertFn, dropPeer peerDropFn) *Downloader {
return &Downloader{
mux: mux,
queue: newQueue(),
@ -176,6 +180,7 @@ func New(mux *event.TypeMux, hasBlock hashCheckFn, getBlock blockRetrievalFn, he
hasBlock: hasBlock,
getBlock: getBlock,
headBlock: headBlock,
getTd: getTd,
insertChain: insertChain,
dropPeer: dropPeer,
newPeerCh: make(chan *peer, 1),
@ -582,7 +587,7 @@ func (d *Downloader) fetchHashes61(p *peer, td *big.Int, from uint64) error {
// L: Sync begins, and finds common ancestor at 11
// L: Request new hashes up from 11 (R's TD was higher, it must have something)
// R: Nothing to give
if !gotHashes && td.Cmp(d.headBlock().Td) > 0 {
if !gotHashes && td.Cmp(d.getTd(d.headBlock().Hash())) > 0 {
return errStallingPeer
}
return nil
@ -958,7 +963,7 @@ func (d *Downloader) fetchHeaders(p *peer, td *big.Int, from uint64) error {
// L: Sync begins, and finds common ancestor at 11
// L: Request new headers up from 11 (R's TD was higher, it must have something)
// R: Nothing to give
if !gotHeaders && td.Cmp(d.headBlock().Td) > 0 {
if !gotHeaders && td.Cmp(d.getTd(d.headBlock().Hash())) > 0 {
return errStallingPeer
}
return nil

44
eth/downloader/downloader_test.go
View File

@ -93,21 +93,25 @@ func makeChainFork(n, f int, parent *types.Block) (h1, h2 []common.Hash, b1, b2
type downloadTester struct {
downloader *Downloader
ownHashes []common.Hash // Hash chain belonging to the tester
ownBlocks map[common.Hash]*types.Block // Blocks belonging to the tester
peerHashes map[string][]common.Hash // Hash chain belonging to different test peers
peerBlocks map[string]map[common.Hash]*types.Block // Blocks belonging to different test peers
ownHashes []common.Hash // Hash chain belonging to the tester
ownBlocks map[common.Hash]*types.Block // Blocks belonging to the tester
ownChainTd map[common.Hash]*big.Int // Total difficulties of the blocks in the local chain
peerHashes map[string][]common.Hash // Hash chain belonging to different test peers
peerBlocks map[string]map[common.Hash]*types.Block // Blocks belonging to different test peers
peerChainTds map[string]map[common.Hash]*big.Int // Total difficulties of the blocks in the peer chains
}
// newTester creates a new downloader test mocker.
func newTester() *downloadTester {
tester := &downloadTester{
ownHashes: []common.Hash{genesis.Hash()},
ownBlocks: map[common.Hash]*types.Block{genesis.Hash(): genesis},
peerHashes: make(map[string][]common.Hash),
peerBlocks: make(map[string]map[common.Hash]*types.Block),
ownHashes: []common.Hash{genesis.Hash()},
ownBlocks: map[common.Hash]*types.Block{genesis.Hash(): genesis},
ownChainTd: map[common.Hash]*big.Int{genesis.Hash(): genesis.Difficulty()},
peerHashes: make(map[string][]common.Hash),
peerBlocks: make(map[string]map[common.Hash]*types.Block),
peerChainTds: make(map[string]map[common.Hash]*big.Int),
}
tester.downloader = New(new(event.TypeMux), tester.hasBlock, tester.getBlock, tester.headBlock, tester.insertChain, tester.dropPeer)
tester.downloader = New(new(event.TypeMux), tester.hasBlock, tester.getBlock, tester.headBlock, tester.getTd, tester.insertChain, tester.dropPeer)
return tester
}
@ -119,8 +123,8 @@ func (dl *downloadTester) sync(id string, td *big.Int) error {
// If no particular TD was requested, load from the peer's blockchain
if td == nil {
td = big.NewInt(1)
if block, ok := dl.peerBlocks[id][hash]; ok {
td = block.Td
if diff, ok := dl.peerChainTds[id][hash]; ok {
td = diff
}
}
err := dl.downloader.synchronise(id, hash, td)
@ -152,6 +156,11 @@ func (dl *downloadTester) headBlock() *types.Block {
return dl.getBlock(dl.ownHashes[len(dl.ownHashes)-1])
}
// getTd retrieves the block's total difficulty from the canonical chain.
func (dl *downloadTester) getTd(hash common.Hash) *big.Int {
return dl.ownChainTd[hash]
}
// insertChain injects a new batch of blocks into the simulated chain.
func (dl *downloadTester) insertChain(blocks types.Blocks) (int, error) {
for i, block := range blocks {
@ -160,6 +169,7 @@ func (dl *downloadTester) insertChain(blocks types.Blocks) (int, error) {
}
dl.ownHashes = append(dl.ownHashes, block.Hash())
dl.ownBlocks[block.Hash()] = block
dl.ownChainTd[block.Hash()] = dl.ownChainTd[block.ParentHash()]
}
return len(blocks), nil
}
@ -180,9 +190,16 @@ func (dl *downloadTester) newSlowPeer(id string, version int, hashes []common.Ha
// Assign the owned hashes and blocks to the peer (deep copy)
dl.peerHashes[id] = make([]common.Hash, len(hashes))
copy(dl.peerHashes[id], hashes)
dl.peerBlocks[id] = make(map[common.Hash]*types.Block)
for hash, block := range blocks {
dl.peerBlocks[id][hash] = block
dl.peerChainTds[id] = make(map[common.Hash]*big.Int)
for _, hash := range hashes {
if block, ok := blocks[hash]; ok {
dl.peerBlocks[id][hash] = block
if parent, ok := dl.peerBlocks[id][block.ParentHash()]; ok {
dl.peerChainTds[id][hash] = new(big.Int).Add(block.Difficulty(), dl.peerChainTds[id][parent.Hash()])
}
}
}
}
return err
@ -192,6 +209,7 @@ func (dl *downloadTester) newSlowPeer(id string, version int, hashes []common.Ha
func (dl *downloadTester) dropPeer(id string) {
delete(dl.peerHashes, id)
delete(dl.peerBlocks, id)
delete(dl.peerChainTds, id)
dl.downloader.UnregisterPeer(id)
}

52
eth/handler.go
View File

@ -36,8 +36,10 @@ import (
"github.com/ethereum/go-ethereum/rlp"
)
// This is the target maximum size of returned blocks, headers or node data.
const softResponseLimit = 2 * 1024 * 1024
const (
softResponseLimit = 2 * 1024 * 1024 // Target maximum size of returned blocks, headers or node data.
estHeaderRlpSize = 500 // Approximate size of an RLP encoded block header
)
func errResp(code errCode, format string, v ...interface{}) error {
return fmt.Errorf("%v - %v", code, fmt.Sprintf(format, v...))
@ -113,7 +115,7 @@ func NewProtocolManager(networkId int, mux *event.TypeMux, txpool txPool, pow po
}
}
// Construct the different synchronisation mechanisms
manager.downloader = downloader.New(manager.eventMux, manager.chainman.HasBlock, manager.chainman.GetBlock, manager.chainman.CurrentBlock, manager.chainman.InsertChain, manager.removePeer)
manager.downloader = downloader.New(manager.eventMux, manager.chainman.HasBlock, manager.chainman.GetBlock, manager.chainman.CurrentBlock, manager.chainman.GetTd, manager.chainman.InsertChain, manager.removePeer)
validator := func(block *types.Block, parent *types.Block) error {
return core.ValidateHeader(pow, block.Header(), parent, true, false)
@ -345,33 +347,33 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
if err := msg.Decode(&query); err != nil {
return errResp(ErrDecode, "%v: %v", msg, err)
}
// Gather blocks until the fetch or network limits is reached
// Gather headers until the fetch or network limits is reached
var (
bytes common.StorageSize
headers []*types.Header
unknown bool
)
for !unknown && len(headers) < int(query.Amount) && bytes < softResponseLimit && len(headers) < downloader.MaxHeaderFetch {
// Retrieve the next block satisfying the query
var origin *types.Block
// Retrieve the next header satisfying the query
var origin *types.Header
if query.Origin.Hash != (common.Hash{}) {
origin = pm.chainman.GetBlock(query.Origin.Hash)
origin = pm.chainman.GetHeader(query.Origin.Hash)
} else {
origin = pm.chainman.GetBlockByNumber(query.Origin.Number)
origin = pm.chainman.GetHeaderByNumber(query.Origin.Number)
}
if origin == nil {
break
}
headers = append(headers, origin.Header())
bytes += origin.Size()
headers = append(headers, origin)
bytes += estHeaderRlpSize
// Advance to the next block of the query
// Advance to the next header of the query
switch {
case query.Origin.Hash != (common.Hash{}) && query.Reverse:
// Hash based traversal towards the genesis block
for i := 0; i < int(query.Skip)+1; i++ {
if block := pm.chainman.GetBlock(query.Origin.Hash); block != nil {
query.Origin.Hash = block.ParentHash()
if header := pm.chainman.GetHeader(query.Origin.Hash); header != nil {
query.Origin.Hash = header.ParentHash
} else {
unknown = true
break
@ -379,9 +381,9 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
}
case query.Origin.Hash != (common.Hash{}) && !query.Reverse:
// Hash based traversal towards the leaf block
if block := pm.chainman.GetBlockByNumber(origin.NumberU64() + query.Skip + 1); block != nil {
if pm.chainman.GetBlockHashesFromHash(block.Hash(), query.Skip+1)[query.Skip] == query.Origin.Hash {
query.Origin.Hash = block.Hash()
if header := pm.chainman.GetHeaderByNumber(origin.Number.Uint64() + query.Skip + 1); header != nil {
if pm.chainman.GetBlockHashesFromHash(header.Hash(), query.Skip+1)[query.Skip] == query.Origin.Hash {
query.Origin.Hash = header.Hash()
} else {
unknown = true
}
@ -452,23 +454,23 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
// Gather blocks until the fetch or network limits is reached
var (
hash common.Hash
bytes common.StorageSize
bodies []*blockBody
bytes int
bodies []rlp.RawValue
)
for bytes < softResponseLimit && len(bodies) < downloader.MaxBlockFetch {
//Retrieve the hash of the next block
// Retrieve the hash of the next block
if err := msgStream.Decode(&hash); err == rlp.EOL {
break
} else if err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
}
// Retrieve the requested block, stopping if enough was found
if block := pm.chainman.GetBlock(hash); block != nil {
bodies = append(bodies, &blockBody{Transactions: block.Transactions(), Uncles: block.Uncles()})
bytes += block.Size()
// Retrieve the requested block body, stopping if enough was found
if data := pm.chainman.GetBodyRLP(hash); len(data) != 0 {
bodies = append(bodies, data)
bytes += len(data)
}
}
return p.SendBlockBodies(bodies)
return p.SendBlockBodiesRLP(bodies)
case p.version >= eth63 && msg.Code == GetNodeDataMsg:
// Decode the retrieval message
@ -643,7 +645,7 @@ func (pm *ProtocolManager) BroadcastBlock(block *types.Block, propagate bool) {
// Calculate the TD of the block (it's not imported yet, so block.Td is not valid)
var td *big.Int
if parent := pm.chainman.GetBlock(block.ParentHash()); parent != nil {
td = new(big.Int).Add(parent.Td, block.Difficulty())
td = new(big.Int).Add(block.Difficulty(), pm.chainman.GetTd(block.ParentHash()))
} else {
glog.V(logger.Error).Infof("propagating dangling block #%d [%x]", block.NumberU64(), hash[:4])
return

7
eth/peer.go
View File

@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
"gopkg.in/fatih/set.v0"
)
@ -184,6 +185,12 @@ func (p *peer) SendBlockBodies(bodies []*blockBody) error {
return p2p.Send(p.rw, BlockBodiesMsg, blockBodiesData(bodies))
}
// SendBlockBodiesRLP sends a batch of block contents to the remote peer from
// an already RLP encoded format.
func (p *peer) SendBlockBodiesRLP(bodies []rlp.RawValue) error {
return p2p.Send(p.rw, BlockBodiesMsg, bodies)
}
// SendNodeData sends a batch of arbitrary internal data, corresponding to the
// hashes requested.
func (p *peer) SendNodeData(data [][]byte) error {

4
miner/worker.go
View File

@ -283,7 +283,7 @@ func (self *worker) wait() {
continue
}
stat, err := self.chain.WriteBlock(block, false)
stat, err := self.chain.WriteBlock(block)
if err != nil {
glog.V(logger.Error).Infoln("error writing block to chain", err)
continue
@ -533,14 +533,12 @@ func (self *worker) commitNewWork() {
// create the new block whose nonce will be mined.
work.Block = types.NewBlock(header, work.txs, uncles, work.receipts)
work.Block.Td = new(big.Int).Set(core.CalcTD(work.Block, self.chain.GetBlock(work.Block.ParentHash())))
// We only care about logging if we're actually mining.
if atomic.LoadInt32(&self.mining) == 1 {
glog.V(logger.Info).Infof("commit new work on block %v with %d txs & %d uncles. Took %v\n", work.Block.Number(), work.tcount, len(uncles), time.Since(tstart))
self.logLocalMinedBlocks(work, previous)
}
self.push(work)
}

72
rpc/api/eth.go
View File

@ -204,7 +204,8 @@ func (self *ethApi) GetBlockTransactionCountByHash(req *shared.Request) (interfa
return nil, shared.NewDecodeParamError(err.Error())
}
block := NewBlockRes(self.xeth.EthBlockByHash(args.Hash), false)
raw := self.xeth.EthBlockByHash(args.Hash)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if block == nil {
return nil, nil
} else {
@ -218,7 +219,8 @@ func (self *ethApi) GetBlockTransactionCountByNumber(req *shared.Request) (inter
return nil, shared.NewDecodeParamError(err.Error())
}
block := NewBlockRes(self.xeth.EthBlockByNumber(args.BlockNumber), false)
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if block == nil {
return nil, nil
} else {
@ -232,12 +234,12 @@ func (self *ethApi) GetUncleCountByBlockHash(req *shared.Request) (interface{},
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByHash(args.Hash)
br := NewBlockRes(block, false)
if br == nil {
raw := self.xeth.EthBlockByHash(args.Hash)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if block == nil {
return nil, nil
}
return newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes()), nil
return newHexNum(big.NewInt(int64(len(block.Uncles))).Bytes()), nil
}
func (self *ethApi) GetUncleCountByBlockNumber(req *shared.Request) (interface{}, error) {
@ -246,12 +248,12 @@ func (self *ethApi) GetUncleCountByBlockNumber(req *shared.Request) (interface{}
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
br := NewBlockRes(block, false)
if br == nil {
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if block == nil {
return nil, nil
}
return newHexNum(big.NewInt(int64(len(br.Uncles))).Bytes()), nil
return newHexNum(big.NewInt(int64(len(block.Uncles))).Bytes()), nil
}
func (self *ethApi) GetData(req *shared.Request) (interface{}, error) {
@ -362,7 +364,7 @@ func (self *ethApi) GetBlockByHash(req *shared.Request) (interface{}, error) {
}
block := self.xeth.EthBlockByHash(args.BlockHash)
return NewBlockRes(block, args.IncludeTxs), nil
return NewBlockRes(block, self.xeth.Td(block.Hash()), args.IncludeTxs), nil
}
func (self *ethApi) GetBlockByNumber(req *shared.Request) (interface{}, error) {
@ -372,8 +374,7 @@ func (self *ethApi) GetBlockByNumber(req *shared.Request) (interface{}, error) {
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
br := NewBlockRes(block, args.IncludeTxs)
return br, nil
return NewBlockRes(block, self.xeth.Td(block.Hash()), args.IncludeTxs), nil
}
func (self *ethApi) GetTransactionByHash(req *shared.Request) (interface{}, error) {
@ -402,16 +403,15 @@ func (self *ethApi) GetTransactionByBlockHashAndIndex(req *shared.Request) (inte
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByHash(args.Hash)
br := NewBlockRes(block, true)
if br == nil {
raw := self.xeth.EthBlockByHash(args.Hash)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if block == nil {
return nil, nil
}
if args.Index >= int64(len(br.Transactions)) || args.Index < 0 {
if args.Index >= int64(len(block.Transactions)) || args.Index < 0 {
return nil, nil
} else {
return br.Transactions[args.Index], nil
return block.Transactions[args.Index], nil
}
}
@ -421,17 +421,16 @@ func (self *ethApi) GetTransactionByBlockNumberAndIndex(req *shared.Request) (in
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
v := NewBlockRes(block, true)
if v == nil {
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if block == nil {
return nil, nil
}
if args.Index >= int64(len(v.Transactions)) || args.Index < 0 {
if args.Index >= int64(len(block.Transactions)) || args.Index < 0 {
// return NewValidationError("Index", "does not exist")
return nil, nil
}
return v.Transactions[args.Index], nil
return block.Transactions[args.Index], nil
}
func (self *ethApi) GetUncleByBlockHashAndIndex(req *shared.Request) (interface{}, error) {
@ -440,17 +439,16 @@ func (self *ethApi) GetUncleByBlockHashAndIndex(req *shared.Request) (interface{
return nil, shared.NewDecodeParamError(err.Error())
}
br := NewBlockRes(self.xeth.EthBlockByHash(args.Hash), false)
if br == nil {
raw := self.xeth.EthBlockByHash(args.Hash)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), false)
if block == nil {
return nil, nil
}
if args.Index >= int64(len(br.Uncles)) || args.Index < 0 {
if args.Index >= int64(len(block.Uncles)) || args.Index < 0 {
// return NewValidationError("Index", "does not exist")
return nil, nil
}
return br.Uncles[args.Index], nil
return block.Uncles[args.Index], nil
}
func (self *ethApi) GetUncleByBlockNumberAndIndex(req *shared.Request) (interface{}, error) {
@ -459,17 +457,15 @@ func (self *ethApi) GetUncleByBlockNumberAndIndex(req *shared.Request) (interfac
return nil, shared.NewDecodeParamError(err.Error())
}
block := self.xeth.EthBlockByNumber(args.BlockNumber)
v := NewBlockRes(block, true)
if v == nil {
raw := self.xeth.EthBlockByNumber(args.BlockNumber)
block := NewBlockRes(raw, self.xeth.Td(raw.Hash()), true)
if block == nil {
return nil, nil
}
if args.Index >= int64(len(v.Uncles)) || args.Index < 0 {
if args.Index >= int64(len(block.Uncles)) || args.Index < 0 {
return nil, nil
} else {
return v.Uncles[args.Index], nil
return block.Uncles[args.Index], nil
}
}

4
rpc/api/parsing.go
View File

@ -281,7 +281,7 @@ func (b *BlockRes) MarshalJSON() ([]byte, error) {
}
}
func NewBlockRes(block *types.Block, fullTx bool) *BlockRes {
func NewBlockRes(block *types.Block, td *big.Int, fullTx bool) *BlockRes {
if block == nil {
return nil
}
@ -299,7 +299,7 @@ func NewBlockRes(block *types.Block, fullTx bool) *BlockRes {
res.ReceiptRoot = newHexData(block.ReceiptHash())
res.Miner = newHexData(block.Coinbase())
res.Difficulty = newHexNum(block.Difficulty())
res.TotalDifficulty = newHexNum(block.Td)
res.TotalDifficulty = newHexNum(td)
res.Size = newHexNum(block.Size().Int64())
res.ExtraData = newHexData(block.Extra())
res.GasLimit = newHexNum(block.GasLimit())

5
tests/block_test_util.go
View File

@ -440,9 +440,8 @@ func convertBlockTest(in *btJSON) (out *BlockTest, err error) {
func mustConvertGenesis(testGenesis btHeader) *types.Block {
hdr := mustConvertHeader(testGenesis)
hdr.Number = big.NewInt(0)
b := types.NewBlockWithHeader(hdr)
b.Td = new(big.Int)
return b
return types.NewBlockWithHeader(hdr)
}
func mustConvertHeader(in btHeader) *types.Header {

4
xeth/xeth.go
View File

@ -355,6 +355,10 @@ func (self *XEth) EthBlockByNumber(num int64) *types.Block {
return self.getBlockByHeight(num)
}
func (self *XEth) Td(hash common.Hash) *big.Int {
return self.backend.ChainManager().GetTd(hash)
}
func (self *XEth) CurrentBlock() *types.Block {
return self.backend.ChainManager().CurrentBlock()
}