aboutsummaryrefslogtreecommitdiffstats
path: root/core
diff options
context:
space:
mode:
Diffstat (limited to 'core')
-rw-r--r--core/block_processor.go28
-rw-r--r--core/blocks.go7
-rw-r--r--core/chain_makers.go4
-rw-r--r--core/chain_manager.go55
-rw-r--r--core/chain_manager_test.go7
-rw-r--r--core/genesis.go1
-rw-r--r--core/types/block.go16
-rw-r--r--core/types/common.go2
8 files changed, 91 insertions, 29 deletions
diff --git a/core/block_processor.go b/core/block_processor.go
index e3c284979..3030af27d 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -149,28 +149,42 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state
return receipts, err
}
+func (sm *BlockProcessor) RetryProcess(block *types.Block) (logs state.Logs, err error) {
+ // Processing a blocks may never happen simultaneously
+ sm.mutex.Lock()
+ defer sm.mutex.Unlock()
+
+ header := block.Header()
+ if !sm.bc.HasBlock(header.ParentHash) {
+ return nil, ParentError(header.ParentHash)
+ }
+ parent := sm.bc.GetBlock(header.ParentHash)
+
+ return sm.processWithParent(block, parent)
+}
+
// Process block will attempt to process the given block's transactions and applies them
// on top of the block's parent state (given it exists) and will return wether it was
// successful or not.
-func (sm *BlockProcessor) Process(block *types.Block) (td *big.Int, logs state.Logs, err error) {
+func (sm *BlockProcessor) Process(block *types.Block) (logs state.Logs, err error) {
// Processing a blocks may never happen simultaneously
sm.mutex.Lock()
defer sm.mutex.Unlock()
header := block.Header()
if sm.bc.HasBlock(header.Hash()) {
- return nil, nil, &KnownBlockError{header.Number, header.Hash()}
+ return nil, &KnownBlockError{header.Number, header.Hash()}
}
if !sm.bc.HasBlock(header.ParentHash) {
- return nil, nil, ParentError(header.ParentHash)
+ return nil, ParentError(header.ParentHash)
}
parent := sm.bc.GetBlock(header.ParentHash)
return sm.processWithParent(block, parent)
}
-func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big.Int, logs state.Logs, err error) {
+func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (logs state.Logs, err error) {
sm.lastAttemptedBlock = block
// Create a new state based on the parent's root (e.g., create copy)
@@ -183,7 +197,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// There can be at most two uncles
if len(block.Uncles()) > 2 {
- return nil, nil, ValidationError("Block can only contain one uncle (contained %v)", len(block.Uncles()))
+ return nil, ValidationError("Block can only contain one uncle (contained %v)", len(block.Uncles()))
}
receipts, err := sm.TransitionState(state, parent, block, false)
@@ -232,7 +246,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
}
// Calculate the td for this block
- td = CalculateTD(block, parent)
+ //td = CalculateTD(block, parent)
// Sync the current block's state to the database
state.Sync()
@@ -244,7 +258,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
putTx(sm.extraDb, tx, block, uint64(i))
}
- return td, state.Logs(), nil
+ return state.Logs(), nil
}
// Validates the current block. Returns an error if the block was invalid,
diff --git a/core/blocks.go b/core/blocks.go
new file mode 100644
index 000000000..b26e8f6ee
--- /dev/null
+++ b/core/blocks.go
@@ -0,0 +1,7 @@
+package core
+
+import "github.com/ethereum/go-ethereum/common"
+
+var badHashes = []common.Hash{
+ common.HexToHash("f269c503aed286caaa0d114d6a5320e70abbc2febe37953207e76a2873f2ba79"),
+}
diff --git a/core/chain_makers.go b/core/chain_makers.go
index 810741820..250671ef8 100644
--- a/core/chain_makers.go
+++ b/core/chain_makers.go
@@ -93,12 +93,12 @@ func makeChain(bman *BlockProcessor, parent *types.Block, max int, db common.Dat
blocks := make(types.Blocks, max)
for i := 0; i < max; i++ {
block := makeBlock(bman, parent, i, db, seed)
- td, _, err := bman.processWithParent(block, parent)
+ _, err := bman.processWithParent(block, parent)
if err != nil {
fmt.Println("process with parent failed", err)
panic(err)
}
- block.Td = td
+ block.Td = CalculateTD(block, parent)
blocks[i] = block
parent = block
}
diff --git a/core/chain_manager.go b/core/chain_manager.go
index 4f1e1e68a..3f2b3a26a 100644
--- a/core/chain_manager.go
+++ b/core/chain_manager.go
@@ -97,6 +97,21 @@ type ChainManager struct {
func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *ChainManager {
bc := &ChainManager{blockDb: blockDb, stateDb: stateDb, genesisBlock: GenesisBlock(stateDb), eventMux: mux, quit: make(chan struct{}), cache: NewBlockCache(blockCacheLimit)}
bc.setLastBlock()
+
+ // 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 {
+ glog.V(logger.Error).Infof("Found bad hash. Reorganising chain to state %x\n", block.ParentHash().Bytes()[:4])
+ block = bc.GetBlock(block.ParentHash())
+ if block == nil {
+ glog.Fatal("Unable to complete. Parent block not found. Corrupted DB?")
+ }
+ bc.SetHead(block)
+
+ glog.V(logger.Error).Infoln("Chain reorg was successfull. Resuming normal operation")
+ }
+ }
+
bc.transState = bc.State().Copy()
// Take ownership of this particular state
bc.txState = state.ManageState(bc.State().Copy())
@@ -109,6 +124,26 @@ func NewChainManager(blockDb, stateDb common.Database, mux *event.TypeMux) *Chai
return bc
}
+func (bc *ChainManager) SetHead(head *types.Block) {
+ bc.mu.Lock()
+ defer bc.mu.Unlock()
+
+ for block := bc.currentBlock; block != nil && block.Hash() != head.Hash(); block = bc.GetBlock(block.Header().ParentHash) {
+ bc.removeBlock(block)
+ }
+
+ bc.cache = NewBlockCache(blockCacheLimit)
+ bc.currentBlock = head
+ bc.makeCache()
+
+ statedb := state.New(head.Root(), bc.stateDb)
+ bc.txState = state.ManageState(statedb)
+ bc.transState = statedb.Copy()
+ bc.setTotalDifficulty(head.Td)
+ bc.insert(head)
+ bc.setLastBlock()
+}
+
func (self *ChainManager) Td() *big.Int {
self.mu.RLock()
defer self.mu.RUnlock()
@@ -287,7 +322,12 @@ func (self *ChainManager) Export(w io.Writer) error {
last := self.currentBlock.NumberU64()
for nr := uint64(0); nr <= last; nr++ {
- if err := self.GetBlockByNumber(nr).EncodeRLP(w); err != nil {
+ block := self.GetBlockByNumber(nr)
+ if block == nil {
+ return fmt.Errorf("export failed on #%d: not found", nr)
+ }
+
+ if err := block.EncodeRLP(w); err != nil {
return err
}
}
@@ -461,7 +501,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
}
// 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).
- td, logs, err := self.processor.Process(block)
+ logs, err := self.processor.Process(block)
if err != nil {
if IsKnownBlockErr(err) {
continue
@@ -486,13 +526,14 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
h := block.Header()
- glog.V(logger.Error).Infof("INVALID block #%v (%x)\n", h.Number, h.Hash().Bytes()[:4])
+ glog.V(logger.Error).Infof("INVALID block #%v (%x)\n", h.Number, h.Hash().Bytes())
glog.V(logger.Error).Infoln(err)
glog.V(logger.Debug).Infoln(block)
return err
}
- block.Td = td
+
+ block.Td = new(big.Int).Set(CalculateTD(block, self.GetBlock(block.ParentHash())))
self.mu.Lock()
{
@@ -502,14 +543,14 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
self.write(block)
// 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 td.Cmp(self.td) > 0 {
+ if block.Td.Cmp(self.td) > 0 {
//if block.Header().Number.Cmp(new(big.Int).Add(cblock.Header().Number, common.Big1)) < 0 {
if block.Number().Cmp(cblock.Number()) <= 0 {
chash := cblock.Hash()
hash := block.Hash()
if glog.V(logger.Info) {
- glog.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, hash[:4], td, cblock.Header().Number, chash[:4], self.td)
+ glog.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, hash[:4], block.Td, cblock.Header().Number, chash[:4], self.td)
}
// during split we merge two different chains and create the new canonical chain
self.merge(self.getBlockByNumber(block.NumberU64()), block)
@@ -518,7 +559,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
queueEvent.splitCount++
}
- self.setTotalDifficulty(td)
+ self.setTotalDifficulty(block.Td)
self.insert(block)
jsonlogger.LogJson(&logger.EthChainNewHead{
diff --git a/core/chain_manager_test.go b/core/chain_manager_test.go
index 19afe0d5c..f16c0f0c3 100644
--- a/core/chain_manager_test.go
+++ b/core/chain_manager_test.go
@@ -69,15 +69,16 @@ func printChain(bc *ChainManager) {
func testChain(chainB types.Blocks, bman *BlockProcessor) (*big.Int, error) {
td := new(big.Int)
for _, block := range chainB {
- td2, _, err := bman.bc.processor.Process(block)
+ _, err := bman.bc.processor.Process(block)
if err != nil {
if IsKnownBlockErr(err) {
continue
}
return nil, err
}
- block.Td = td2
- td = td2
+ parent := bman.bc.GetBlock(block.ParentHash())
+ block.Td = CalculateTD(block, parent)
+ td = block.Td
bman.bc.mu.Lock()
{
diff --git a/core/genesis.go b/core/genesis.go
index 0ce60054e..e72834822 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -52,6 +52,7 @@ func GenesisBlock(db common.Database) *types.Block {
}
statedb.Sync()
genesis.Header().Root = statedb.Root()
+ genesis.Td = params.GenesisDifficulty
return genesis
}
diff --git a/core/types/block.go b/core/types/block.go
index c47b555ed..f9206ec76 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -347,22 +347,20 @@ func (self *Block) Copy() *Block {
}
func (self *Block) String() string {
- return fmt.Sprintf(`BLOCK(%x): Size: %v TD: %v {
-NoNonce: %x
-Header:
-[
+ return fmt.Sprintf(`Block(#%v): Size: %v TD: %v {
+MinerHash: %x
%v
-]
Transactions:
%v
Uncles:
%v
}
-`, self.header.Hash(), self.Size(), self.Td, self.header.HashNoNonce(), self.header, self.transactions, self.uncles)
+`, self.Number(), self.Size(), self.Td, self.header.HashNoNonce(), self.header, self.transactions, self.uncles)
}
func (self *Header) String() string {
- return fmt.Sprintf(`
+ return fmt.Sprintf(`Header(%x):
+[
ParentHash: %x
UncleHash: %x
Coinbase: %x
@@ -377,8 +375,8 @@ func (self *Header) String() string {
Time: %v
Extra: %s
MixDigest: %x
- Nonce: %x`,
- self.ParentHash, self.UncleHash, self.Coinbase, self.Root, self.TxHash, self.ReceiptHash, self.Bloom, self.Difficulty, self.Number, self.GasLimit, self.GasUsed, self.Time, self.Extra, self.MixDigest, self.Nonce)
+ Nonce: %x
+]`, self.Hash(), self.ParentHash, self.UncleHash, self.Coinbase, self.Root, self.TxHash, self.ReceiptHash, self.Bloom, self.Difficulty, self.Number, self.GasLimit, self.GasUsed, self.Time, self.Extra, self.MixDigest, self.Nonce)
}
type Blocks []*Block
diff --git a/core/types/common.go b/core/types/common.go
index 4397d4938..dbdaaba0c 100644
--- a/core/types/common.go
+++ b/core/types/common.go
@@ -10,7 +10,7 @@ import (
)
type BlockProcessor interface {
- Process(*Block) (*big.Int, state.Logs, error)
+ Process(*Block) (state.Logs, error)
}
const bloomLength = 256
generated by cgit (git 2.34.1) at 2024-10-17 15:22:21 +0800