cerc-io/plugeth
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Updated block to use state instead of trie directly

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This commit is contained in:
obscuren 2014-03-02 20:42:05 +01:00
parent f1b354e6aa
commit d65b4cd0dd
5 changed files with 60 additions and 45 deletions
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61
ethchain/block.go
View File

@ -34,7 +34,8 @@ type Block struct {
// The coin base address
Coinbase []byte
// Block Trie state
state *ethutil.Trie
//state *ethutil.Trie
state *State
// Difficulty for the current block
Difficulty *big.Int
// Creation time
@ -94,7 +95,7 @@ func CreateBlock(root interface{},
block.SetTransactions(txes)
block.SetUncles([]*Block{})
block.state = ethutil.NewTrie(ethutil.Config.Db, root)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, root))
for _, tx := range txes {
block.MakeContract(tx)
@ -109,15 +110,15 @@ func (block *Block) Hash() []byte {
}
func (block *Block) HashNoNonce() []byte {
return ethutil.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Extra}))
return ethutil.Sha3Bin(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Extra}))
}
func (block *Block) PrintHash() {
fmt.Println(block)
fmt.Println(ethutil.NewValue(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Extra, block.Nonce})))
fmt.Println(ethutil.NewValue(ethutil.Encode([]interface{}{block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Extra, block.Nonce})))
}
func (block *Block) State() *ethutil.Trie {
func (block *Block) State() *State {
return block.state
}
@ -125,6 +126,7 @@ func (block *Block) Transactions() []*Transaction {
return block.transactions
}
/*
func (block *Block) GetContract(addr []byte) *Contract {
data := block.state.Get(string(addr))
if data == "" {
@ -152,13 +154,13 @@ func (block *Block) UpdateContract(addr []byte, contract *Contract) {
// Make sure the state is synced
//contract.State().Sync()
block.state.Update(string(addr), string(contract.RlpEncode()))
block.state.trie.Update(string(addr), string(contract.RlpEncode()))
}
func (block *Block) GetAddr(addr []byte) *Address {
var address *Address
data := block.State().Get(string(addr))
data := block.state.trie.Get(string(addr))
if data == "" {
address = NewAddress(big.NewInt(0))
} else {
@ -168,11 +170,12 @@ func (block *Block) GetAddr(addr []byte) *Address {
return address
}
func (block *Block) UpdateAddr(addr []byte, address *Address) {
block.state.Update(string(addr), string(address.RlpEncode()))
block.state.trie.Update(string(addr), string(address.RlpEncode()))
}
*/
func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
contract := block.GetContract(addr)
contract := block.state.GetContract(addr)
// If we can't pay the fee return
if contract == nil || contract.Amount.Cmp(fee) < 0 /* amount < fee */ {
fmt.Println("Contract has insufficient funds", contract.Amount, fee)
@ -182,9 +185,9 @@ func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
base := new(big.Int)
contract.Amount = base.Sub(contract.Amount, fee)
block.state.Update(string(addr), string(contract.RlpEncode()))
block.state.trie.Update(string(addr), string(contract.RlpEncode()))
data := block.state.Get(string(block.Coinbase))
data := block.state.trie.Get(string(block.Coinbase))
// Get the ether (Coinbase) and add the fee (gief fee to miner)
ether := NewAddressFromData([]byte(data))
@ -192,7 +195,7 @@ func (block *Block) PayFee(addr []byte, fee *big.Int) bool {
base = new(big.Int)
ether.Amount = base.Add(ether.Amount, fee)
block.state.Update(string(block.Coinbase), string(ether.RlpEncode()))
block.state.trie.Update(string(block.Coinbase), string(ether.RlpEncode()))
return true
}
@ -207,25 +210,29 @@ func (block *Block) BlockInfo() BlockInfo {
// Sync the block's state and contract respectively
func (block *Block) Sync() {
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Sync()
}
/*
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Sync()
}
*/
// Sync the block state itself
block.state.Sync()
block.state.trie.Sync()
}
func (block *Block) Undo() {
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Undo()
}
/*
// Sync all contracts currently in cache
for _, val := range block.contractStates {
val.Undo()
}
*/
// Sync the block state itself
block.state.Undo()
block.state.Reset()
}
func (block *Block) MakeContract(tx *Transaction) {
contract := MakeContract(tx, NewState(block.state))
contract := MakeContract(tx, block.state)
if contract != nil {
block.contractStates[string(tx.Hash()[12:])] = contract.state
}
@ -308,7 +315,7 @@ func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Time = int64(header.Get(6).BigInt().Uint64())
@ -345,7 +352,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val)
block.state = NewState(ethutil.NewTrie(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Time = int64(header.Get(6).BigInt().Uint64())
@ -356,7 +363,7 @@ func NewUncleBlockFromValue(header *ethutil.Value) *Block {
}
func (block *Block) String() string {
return fmt.Sprintf("Block(%x):\nPrevHash:%x\nUncleSha:%x\nCoinbase:%x\nRoot:%x\nTxSha:%x\nDiff:%v\nTime:%d\nNonce:%x\nTxs:%d\n", block.Hash(), block.PrevHash, block.UncleSha, block.Coinbase, block.state.Root, block.TxSha, block.Difficulty, block.Time, block.Nonce, len(block.transactions))
return fmt.Sprintf("Block(%x):\nPrevHash:%x\nUncleSha:%x\nCoinbase:%x\nRoot:%x\nTxSha:%x\nDiff:%v\nTime:%d\nNonce:%x\nTxs:%d\n", block.Hash(), block.PrevHash, block.UncleSha, block.Coinbase, block.state.trie.Root, block.TxSha, block.Difficulty, block.Time, block.Nonce, len(block.transactions))
}
//////////// UNEXPORTED /////////////////
@ -369,7 +376,7 @@ func (block *Block) header() []interface{} {
// Coinbase address
block.Coinbase,
// root state
block.state.Root,
block.state.trie.Root,
// Sha of tx
block.TxSha,
// Current block Difficulty

2
ethchain/block_chain.go
View File

@ -39,7 +39,7 @@ func (bc *BlockChain) NewBlock(coinbase []byte, txs []*Transaction) *Block {
hash := ZeroHash256
if bc.CurrentBlock != nil {
root = bc.CurrentBlock.State().Root
root = bc.CurrentBlock.state.trie.Root
hash = bc.LastBlockHash
lastBlockTime = bc.CurrentBlock.Time
}

26
ethchain/block_manager.go
View File

@ -51,9 +51,9 @@ func AddTestNetFunds(block *Block) {
} {
//log.Println("2^200 Wei to", addr)
codedAddr, _ := hex.DecodeString(addr)
addr := block.GetAddr(codedAddr)
addr := block.state.GetAccount(codedAddr)
addr.Amount = ethutil.BigPow(2, 200)
block.UpdateAddr(codedAddr, addr)
block.state.UpdateAccount(codedAddr, addr)
}
}
@ -71,7 +71,7 @@ func NewBlockManager(speaker PublicSpeaker) *BlockManager {
if bm.bc.CurrentBlock == nil {
AddTestNetFunds(bm.bc.genesisBlock)
bm.bc.genesisBlock.State().Sync()
bm.bc.genesisBlock.state.trie.Sync()
// Prepare the genesis block
bm.bc.Add(bm.bc.genesisBlock)
@ -86,7 +86,7 @@ func NewBlockManager(speaker PublicSpeaker) *BlockManager {
// Watches any given address and puts it in the address state store
func (bm *BlockManager) WatchAddr(addr []byte) *AddressState {
account := bm.bc.CurrentBlock.GetAddr(addr)
account := bm.bc.CurrentBlock.state.GetAccount(addr)
return bm.addrStateStore.Add(addr, account)
}
@ -94,7 +94,7 @@ func (bm *BlockManager) WatchAddr(addr []byte) *AddressState {
func (bm *BlockManager) GetAddrState(addr []byte) *AddressState {
account := bm.addrStateStore.Get(addr)
if account == nil {
a := bm.bc.CurrentBlock.GetAddr(addr)
a := bm.bc.CurrentBlock.state.GetAccount(addr)
account = &AddressState{Nonce: a.Nonce, Account: a}
}
@ -112,7 +112,7 @@ func (bm *BlockManager) ApplyTransactions(block *Block, txs []*Transaction) {
if tx.IsContract() {
block.MakeContract(tx)
} else {
if contract := block.GetContract(tx.Recipient); contract != nil {
if contract := block.state.GetContract(tx.Recipient); contract != nil {
bm.ProcessContract(contract, tx, block)
} else {
err := bm.TransactionPool.ProcessTransaction(tx, block)
@ -161,8 +161,8 @@ func (bm *BlockManager) ProcessBlock(block *Block) error {
return err
}
if !block.State().Cmp(bm.bc.CurrentBlock.State()) {
return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().Root, bm.bc.CurrentBlock.State().Root)
if !block.state.Cmp(bm.bc.CurrentBlock.state) {
return fmt.Errorf("Invalid merkle root. Expected %x, got %x", block.State().trie.Root, bm.bc.CurrentBlock.State().trie.Root)
}
// Calculate the new total difficulty and sync back to the db
@ -267,17 +267,17 @@ func CalculateUncleReward(block *Block) *big.Int {
func (bm *BlockManager) AccumelateRewards(processor *Block, block *Block) error {
// Get the coinbase rlp data
addr := processor.GetAddr(block.Coinbase)
addr := processor.state.GetAccount(block.Coinbase)
// Reward amount of ether to the coinbase address
addr.AddFee(CalculateBlockReward(block, len(block.Uncles)))
processor.UpdateAddr(block.Coinbase, addr)
processor.state.UpdateAccount(block.Coinbase, addr)
for _, uncle := range block.Uncles {
uncleAddr := processor.GetAddr(uncle.Coinbase)
uncleAddr := processor.state.GetAccount(uncle.Coinbase)
uncleAddr.AddFee(CalculateUncleReward(uncle))
processor.UpdateAddr(uncle.Coinbase, uncleAddr)
processor.state.UpdateAccount(uncle.Coinbase, uncleAddr)
}
return nil
@ -298,7 +298,7 @@ func (bm *BlockManager) ProcessContract(contract *Contract, tx *Transaction, blo
*/
vm := &Vm{}
vm.Process(contract, NewState(block.state), RuntimeVars{
vm.Process(contract, block.state, RuntimeVars{
address: tx.Hash()[12:],
blockNumber: block.BlockInfo().Number,
sender: tx.Sender(),

8
ethchain/state.go
View File

@ -13,6 +13,10 @@ func NewState(trie *ethutil.Trie) *State {
return &State{trie: trie}
}
func (s *State) Reset() {
s.trie.Undo()
}
func (s *State) GetContract(addr []byte) *Contract {
data := s.trie.Get(string(addr))
if data == "" {
@ -54,3 +58,7 @@ func (s *State) GetAccount(addr []byte) (account *Address) {
func (s *State) UpdateAccount(addr []byte, account *Address) {
s.trie.Update(string(addr), string(account.RlpEncode()))
}
func (s *State) Cmp(other *State) bool {
return s.trie.Cmp(other.trie)
}

8
ethchain/transaction_pool.go
View File

@ -104,7 +104,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
}
}()
// Get the sender
sender := block.GetAddr(tx.Sender())
sender := block.state.GetAccount(tx.Sender())
// Make sure there's enough in the sender's account. Having insufficient
// funds won't invalidate this transaction but simple ignores it.
@ -122,7 +122,7 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
}
// Get the receiver
receiver := block.GetAddr(tx.Recipient)
receiver := block.state.GetAccount(tx.Recipient)
sender.Nonce += 1
// Send Tx to self
@ -136,10 +136,10 @@ func (pool *TxPool) ProcessTransaction(tx *Transaction, block *Block) (err error
// Add the amount to receivers account which should conclude this transaction
receiver.Amount.Add(receiver.Amount, tx.Value)
block.UpdateAddr(tx.Recipient, receiver)
block.state.UpdateAccount(tx.Recipient, receiver)
}
block.UpdateAddr(tx.Sender(), sender)
block.state.UpdateAccount(tx.Sender(), sender)
log.Printf("[TXPL] Processed Tx %x\n", tx.Hash())