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converted chain manager

This commit is contained in:
obscuren 2015-03-16 23:48:18 +01:00
parent 94505146a2
commit 8ce6a36478
7 changed files with 63 additions and 57 deletions
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38
core/block_processor.go
View File

@ -1,14 +1,13 @@
package core
import (
"bytes"
"fmt"
"math/big"
"sync"
"time"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/pow"
@ -90,7 +89,7 @@ func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, stated
statedb.Update(nil)
cumulative := new(big.Int).Set(usedGas.Add(usedGas, gas))
receipt := types.NewReceipt(statedb.Root(), cumulative)
receipt := types.NewReceipt(statedb.Root().Bytes(), cumulative)
receipt.SetLogs(statedb.Logs())
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
chainlogger.Debugln(receipt)
@ -190,7 +189,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// Validate the received block's bloom with the one derived from the generated receipts.
// For valid blocks this should always validate to true.
rbloom := types.CreateBloom(receipts)
if bytes.Compare(rbloom, header.Bloom) != 0 {
if rbloom != header.Bloom {
err = fmt.Errorf("unable to replicate block's bloom=%x", rbloom)
return
}
@ -198,14 +197,14 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// The transactions Trie's root (R = (Tr [[H1, T1], [H2, T2], ... [Hn, Tn]]))
// can be used by light clients to make sure they've received the correct Txs
txSha := types.DeriveSha(block.Transactions())
if bytes.Compare(txSha, header.TxHash) != 0 {
if txSha != header.TxHash {
err = fmt.Errorf("validating transaction root. received=%x got=%x", header.TxHash, txSha)
return
}
// Tre receipt Trie's root (R = (Tr [[H1, R1], ... [Hn, R1]]))
receiptSha := types.DeriveSha(receipts)
if bytes.Compare(receiptSha, header.ReceiptHash) != 0 {
if receiptSha != header.ReceiptHash {
err = fmt.Errorf("validating receipt root. received=%x got=%x", header.ReceiptHash, receiptSha)
return
}
@ -218,7 +217,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
// Commit state objects/accounts to a temporary trie (does not save)
// used to calculate the state root.
state.Update(common.Big0)
if !bytes.Equal(header.Root, state.Root()) {
if header.Root != state.Root() {
err = fmt.Errorf("invalid merkle root. received=%x got=%x", header.Root, state.Root())
return
}
@ -234,7 +233,7 @@ func (sm *BlockProcessor) processWithParent(block, parent *types.Block) (td *big
putTx(sm.extraDb, tx)
}
chainlogger.Infof("processed block #%d (%x...)\n", header.Number, block.Hash()[0:4])
chainlogger.Infof("processed block #%d (%x...)\n", header.Number, block.Hash().Bytes()[0:4])
return td, nil
}
@ -284,35 +283,34 @@ func (sm *BlockProcessor) AccumulateRewards(statedb *state.StateDB, block, paren
ancestors := set.New()
uncles := set.New()
ancestorHeaders := make(map[string]*types.Header)
ancestorHeaders := make(map[common.Hash]*types.Header)
for _, ancestor := range sm.bc.GetAncestors(block, 7) {
hash := string(ancestor.Hash())
ancestorHeaders[hash] = ancestor.Header()
ancestors.Add(hash)
ancestorHeaders[ancestor.Hash()] = ancestor.Header()
ancestors.Add(ancestor.Hash())
// Include ancestors uncles in the uncle set. Uncles must be unique.
for _, uncle := range ancestor.Uncles() {
uncles.Add(string(uncle.Hash()))
uncles.Add(uncle.Hash())
}
}
uncles.Add(string(block.Hash()))
uncles.Add(block.Hash())
for _, uncle := range block.Uncles() {
if uncles.Has(string(uncle.Hash())) {
if uncles.Has(uncle.Hash()) {
// Error not unique
return UncleError("Uncle not unique")
}
uncles.Add(string(uncle.Hash()))
uncles.Add(uncle.Hash())
if ancestors.Has(string(uncle.Hash())) {
if ancestors.Has(uncle.Hash()) {
return UncleError("Uncle is ancestor")
}
if !ancestors.Has(string(uncle.ParentHash)) {
if !ancestors.Has(uncle.ParentHash) {
return UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
if err := sm.ValidateHeader(uncle, ancestorHeaders[string(uncle.ParentHash)]); err != nil {
if err := sm.ValidateHeader(uncle, ancestorHeaders[uncle.ParentHash]); err != nil {
return ValidationError(fmt.Sprintf("%v", err))
}
@ -358,5 +356,5 @@ func putTx(db common.Database, tx *types.Transaction) {
statelogger.Infoln("Failed encoding tx", err)
return
}
db.Put(tx.Hash(), rlpEnc)
db.Put(tx.Hash().Bytes(), rlpEnc)
}

10
core/chain_makers.go
View File

@ -4,8 +4,8 @@ import (
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/state"
@ -29,7 +29,7 @@ var (
// Utility functions for making chains on the fly
// Exposed for sake of testing from other packages (eg. go-ethash)
func NewBlockFromParent(addr []byte, parent *types.Block) *types.Block {
func NewBlockFromParent(addr common.Address, parent *types.Block) *types.Block {
return newBlockFromParent(addr, parent)
}
@ -54,7 +54,7 @@ func NewCanonical(n int, db common.Database) (*BlockProcessor, error) {
}
// block time is fixed at 10 seconds
func newBlockFromParent(addr []byte, parent *types.Block) *types.Block {
func newBlockFromParent(addr common.Address, parent *types.Block) *types.Block {
block := types.NewBlock(parent.Hash(), addr, parent.Root(), common.BigPow(2, 32), 0, "")
block.SetUncles(nil)
block.SetTransactions(nil)
@ -74,8 +74,8 @@ func newBlockFromParent(addr []byte, parent *types.Block) *types.Block {
// Actually make a block by simulating what miner would do
// we seed chains by the first byte of the coinbase
func makeBlock(bman *BlockProcessor, parent *types.Block, i int, db common.Database, seed int) *types.Block {
addr := common.LeftPadBytes([]byte{byte(i)}, 20)
addr[0] = byte(seed)
var addr common.Address
addr[0], addr[19] = byte(seed), byte(i)
block := newBlockFromParent(addr, parent)
state := state.New(block.Root(), db)
cbase := state.GetOrNewStateObject(addr)

48
core/chain_manager.go
View File

@ -6,8 +6,8 @@ import (
"math/big"
"sync"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
@ -86,7 +86,7 @@ type ChainManager struct {
tsmu sync.RWMutex
td *big.Int
currentBlock *types.Block
lastBlockHash []byte
lastBlockHash common.Hash
transState *state.StateDB
txState *state.ManagedState
@ -112,7 +112,7 @@ func (self *ChainManager) Td() *big.Int {
return self.td
}
func (self *ChainManager) LastBlockHash() []byte {
func (self *ChainManager) LastBlockHash() common.Hash {
self.mu.RLock()
defer self.mu.RUnlock()
@ -126,7 +126,7 @@ func (self *ChainManager) CurrentBlock() *types.Block {
return self.currentBlock
}
func (self *ChainManager) Status() (td *big.Int, currentBlock []byte, genesisBlock []byte) {
func (self *ChainManager) Status() (td *big.Int, currentBlock common.Hash, genesisBlock common.Hash) {
self.mu.RLock()
defer self.mu.RUnlock()
@ -168,7 +168,7 @@ func (self *ChainManager) setTransState(statedb *state.StateDB) {
func (bc *ChainManager) setLastBlock() {
data, _ := bc.blockDb.Get([]byte("LastBlock"))
if len(data) != 0 {
block := bc.GetBlock(data)
block := bc.GetBlock(common.BytesToHash(data))
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
@ -182,12 +182,14 @@ func (bc *ChainManager) setLastBlock() {
}
// Block creation & chain handling
func (bc *ChainManager) NewBlock(coinbase []byte) *types.Block {
func (bc *ChainManager) NewBlock(coinbase common.Address) *types.Block {
bc.mu.RLock()
defer bc.mu.RUnlock()
var root []byte
parentHash := ZeroHash256
var (
root common.Hash
parentHash common.Hash
)
if bc.currentBlock != nil {
root = bc.currentBlock.Header().Root
@ -234,7 +236,7 @@ func (bc *ChainManager) Reset() {
}
func (bc *ChainManager) removeBlock(block *types.Block) {
bc.blockDb.Delete(append(blockHashPre, block.Hash()...))
bc.blockDb.Delete(append(blockHashPre, block.Hash().Bytes()...))
}
func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
@ -268,18 +270,18 @@ func (self *ChainManager) Export() []byte {
func (bc *ChainManager) insert(block *types.Block) {
//encodedBlock := common.Encode(block)
bc.blockDb.Put([]byte("LastBlock"), block.Hash())
bc.blockDb.Put([]byte("LastBlock"), block.Hash().Bytes())
bc.currentBlock = block
bc.lastBlockHash = block.Hash()
key := append(blockNumPre, block.Number().Bytes()...)
bc.blockDb.Put(key, bc.lastBlockHash)
bc.blockDb.Put(key, bc.lastBlockHash.Bytes())
}
func (bc *ChainManager) write(block *types.Block) {
encodedBlock := common.Encode(block.RlpDataForStorage())
key := append(blockHashPre, block.Hash()...)
key := append(blockHashPre, block.Hash().Bytes()...)
bc.blockDb.Put(key, encodedBlock)
}
@ -289,12 +291,12 @@ func (bc *ChainManager) Genesis() *types.Block {
}
// Block fetching methods
func (bc *ChainManager) HasBlock(hash []byte) bool {
data, _ := bc.blockDb.Get(append(blockHashPre, hash...))
func (bc *ChainManager) HasBlock(hash common.Hash) bool {
data, _ := bc.blockDb.Get(append(blockHashPre, hash[:]...))
return len(data) != 0
}
func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain [][]byte) {
func (self *ChainManager) GetBlockHashesFromHash(hash common.Hash, max uint64) (chain []common.Hash) {
block := self.GetBlock(hash)
if block == nil {
return
@ -317,8 +319,8 @@ func (self *ChainManager) GetBlockHashesFromHash(hash []byte, max uint64) (chain
return
}
func (self *ChainManager) GetBlock(hash []byte) *types.Block {
data, _ := self.blockDb.Get(append(blockHashPre, hash...))
func (self *ChainManager) GetBlock(hash common.Hash) *types.Block {
data, _ := self.blockDb.Get(append(blockHashPre, hash[:]...))
if len(data) == 0 {
return nil
}
@ -340,7 +342,7 @@ func (self *ChainManager) GetBlockByNumber(num uint64) *types.Block {
return nil
}
return self.GetBlock(key)
return self.GetBlock(common.BytesToHash(key))
}
func (self *ChainManager) GetUnclesInChain(block *types.Block, length int) (uncles []*types.Header) {
@ -418,7 +420,7 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
}
h := block.Header()
chainlogger.Infof("INVALID block #%v (%x)\n", h.Number, h.Hash()[:4])
chainlogger.Infof("INVALID block #%v (%x)\n", h.Number, h.Hash().Bytes()[:4])
chainlogger.Infoln(err)
chainlogger.Debugln(block)
return err
@ -435,7 +437,9 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
// At this point it's possible that a different chain (fork) becomes the new canonical chain.
if td.Cmp(self.td) > 0 {
if block.Header().Number.Cmp(new(big.Int).Add(cblock.Header().Number, common.Big1)) < 0 {
chainlogger.Infof("Split detected. New head #%v (%x) TD=%v, was #%v (%x) TD=%v\n", block.Header().Number, block.Hash()[:4], td, cblock.Header().Number, cblock.Hash()[:4], self.td)
chash := cblock.Hash()
hash := block.Hash()
chainlogger.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)
queue[i] = ChainSplitEvent{block}
queueEvent.splitCount++
@ -507,7 +511,9 @@ out:
}
}
/*
// Satisfy state query interface
func (self *ChainManager) GetAccount(addr []byte) *state.StateObject {
func (self *ChainManager) GetAccount(addr common.Hash) *state.StateObject {
return self.State().GetAccount(addr)
}
*/

6
core/error.go
View File

@ -4,6 +4,8 @@ import (
"errors"
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
)
var (
@ -21,7 +23,7 @@ func (err *ParentErr) Error() string {
return err.Message
}
func ParentError(hash []byte) error {
func ParentError(hash common.Hash) error {
return &ParentErr{Message: fmt.Sprintf("Block's parent unknown %x", hash)}
}
@ -136,7 +138,7 @@ func IsTDError(e error) bool {
type KnownBlockError struct {
number *big.Int
hash []byte
hash common.Hash
}
func (self *KnownBlockError) Error() string {

2
core/types/receipt.go
View File

@ -14,7 +14,7 @@ import (
type Receipt struct {
PostState []byte
CumulativeGasUsed *big.Int
Bloom []byte
Bloom Bloom
logs state.Logs
}

6
state/state_object.go
View File

@ -82,7 +82,7 @@ func NewStateObject(address common.Address, db common.Database) *StateObject {
//address := common.ToAddress(addr)
object := &StateObject{db: db, address: address, balance: new(big.Int), gasPool: new(big.Int), dirty: true}
object.State = New(nil, db) //New(trie.New(common.Config.Db, ""))
object.State = New(common.Hash{}, db) //New(trie.New(common.Config.Db, ""))
object.storage = make(Storage)
object.gasPool = new(big.Int)
object.prepaid = new(big.Int)
@ -109,7 +109,7 @@ func NewStateObjectFromBytes(address common.Address, data []byte, db common.Data
object.nonce = extobject.Nonce
object.balance = extobject.Balance
object.codeHash = extobject.CodeHash
object.State = New(extobject.Root[:], db)
object.State = New(extobject.Root, db)
object.storage = make(map[string]*common.Value)
object.gasPool = new(big.Int)
object.prepaid = new(big.Int)
@ -339,7 +339,7 @@ func (c *StateObject) RlpDecode(data []byte) {
decoder := common.NewValueFromBytes(data)
c.nonce = decoder.Get(0).Uint()
c.balance = decoder.Get(1).BigInt()
c.State = New(decoder.Get(2).Bytes(), c.db) //New(trie.New(common.Config.Db, decoder.Get(2).Interface()))
c.State = New(common.BytesToHash(decoder.Get(2).Bytes()), c.db) //New(trie.New(common.Config.Db, decoder.Get(2).Interface()))
c.storage = make(map[string]*common.Value)
c.gasPool = new(big.Int)

10
state/statedb.go
View File

@ -28,8 +28,8 @@ type StateDB struct {
}
// Create a new state from a given trie
func New(root []byte, db common.Database) *StateDB {
trie := trie.NewSecure(common.CopyBytes(root), db)
func New(root common.Hash, db common.Database) *StateDB {
trie := trie.NewSecure(root[:], db)
return &StateDB{db: db, trie: trie, stateObjects: make(map[string]*StateObject), refund: make(map[string]*big.Int)}
}
@ -222,7 +222,7 @@ func (s *StateDB) Cmp(other *StateDB) bool {
}
func (self *StateDB) Copy() *StateDB {
state := New(nil, self.db)
state := New(common.Hash{}, self.db)
state.trie = self.trie.Copy()
for k, stateObject := range self.stateObjects {
state.stateObjects[k] = stateObject.Copy()
@ -247,8 +247,8 @@ func (self *StateDB) Set(state *StateDB) {
self.logs = state.logs
}
func (s *StateDB) Root() []byte {
return s.trie.Root()
func (s *StateDB) Root() common.Hash {
return common.BytesToHash(s.trie.Root())
}
func (s *StateDB) Trie() *trie.SecureTrie {