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PoC 7 updates 

* Bloom
* Block restructure
* Receipts
This commit is contained in:
obscuren 2014-10-29 10:34:40 +01:00
parent 665a44646e
commit fb4113dab4
14 changed files with 218 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

142
ethchain/block.go
View File

@ -96,9 +96,10 @@ type Block struct {
// Block Nonce for verification
Nonce ethutil.Bytes
// List of transactions and/or contracts
transactions []*Transaction
receipts []*Receipt
TxSha []byte
transactions Transactions
receipts Receipts
TxSha, ReceiptSha []byte
LogsBloom []byte
}
func NewBlockFromBytes(raw []byte) *Block {
@ -151,7 +152,7 @@ func (block *Block) Hash() ethutil.Bytes {
func (block *Block) HashNoNonce() []byte {
return ethcrypto.Sha3(ethutil.Encode([]interface{}{block.PrevHash,
block.UncleSha, block.Coinbase, block.state.Trie.Root,
block.TxSha, block.Difficulty, block.Number, block.MinGasPrice,
block.ReceiptSha, block.Difficulty, block.Number, block.MinGasPrice,
block.GasLimit, block.GasUsed, block.Time, block.Extra}))
}
@ -191,9 +192,9 @@ func (block *Block) BlockInfo() BlockInfo {
}
func (self *Block) GetTransaction(hash []byte) *Transaction {
for _, receipt := range self.receipts {
if bytes.Compare(receipt.Tx.Hash(), hash) == 0 {
return receipt.Tx
for _, tx := range self.transactions {
if bytes.Compare(tx.Hash(), hash) == 0 {
return tx
}
}
@ -236,11 +237,8 @@ func (block *Block) rlpUncles() interface{} {
func (block *Block) SetUncles(uncles []*Block) {
block.Uncles = uncles
// Sha of the concatenated uncles
if len(uncles) > 0 {
block.UncleSha = ethcrypto.Sha3(ethutil.Encode(block.rlpUncles()))
}
}
func (self *Block) SetReceipts(receipts []*Receipt, txs []*Transaction) {
self.receipts = receipts
@ -249,32 +247,20 @@ func (self *Block) SetReceipts(receipts []*Receipt, txs []*Transaction) {
func (block *Block) setTransactions(txs []*Transaction) {
block.transactions = txs
block.LogsBloom = CreateBloom(txs)
}
func CreateTxSha(receipts Receipts) (sha []byte) {
trie := ethtrie.New(ethutil.Config.Db, "")
for i, receipt := range receipts {
trie.Update(string(ethutil.NewValue(i).Encode()), string(ethutil.NewValue(receipt.RlpData()).Encode()))
func (self *Block) SetTransactionHash(transactions Transactions) {
self.TxSha = DeriveSha(transactions)
}
switch trie.Root.(type) {
case string:
sha = []byte(trie.Root.(string))
case []byte:
sha = trie.Root.([]byte)
default:
panic(fmt.Sprintf("invalid root type %T", trie.Root))
}
return sha
}
func (self *Block) SetTxHash(receipts Receipts) {
self.TxSha = CreateTxSha(receipts)
func (self *Block) SetReceiptHash(receipts Receipts) {
self.ReceiptSha = DeriveSha(receipts)
}
func (block *Block) Value() *ethutil.Value {
return ethutil.NewValue([]interface{}{block.header(), block.rlpReceipts(), block.rlpUncles()})
return ethutil.NewValue([]interface{}{block.header(), block.transactions, block.rlpUncles()})
}
func (block *Block) RlpEncode() []byte {
@ -289,33 +275,20 @@ func (block *Block) RlpDecode(data []byte) {
}
func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
header := decoder.Get(0)
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethstate.New(ethtrie.New(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Number = header.Get(6).BigInt()
//fmt.Printf("#%v : %x\n", block.Number, block.Coinbase)
block.MinGasPrice = header.Get(7).BigInt()
block.GasLimit = header.Get(8).BigInt()
block.GasUsed = header.Get(9).BigInt()
block.Time = int64(header.Get(10).BigInt().Uint64())
block.Extra = header.Get(11).Str()
block.Nonce = header.Get(12).Bytes()
block.setHeader(decoder.Get(0))
// Tx list might be empty if this is an uncle. Uncles only have their
// header set.
if decoder.Get(1).IsNil() == false { // Yes explicitness
receipts := decoder.Get(1)
block.transactions = make([]*Transaction, receipts.Len())
block.receipts = make([]*Receipt, receipts.Len())
for i := 0; i < receipts.Len(); i++ {
receipt := NewRecieptFromValue(receipts.Get(i))
block.transactions[i] = receipt.Tx
block.receipts[i] = receipt
//receipts := decoder.Get(1)
//block.receipts = make([]*Receipt, receipts.Len())
it := decoder.Get(1).NewIterator()
block.transactions = make(Transactions, it.Len())
for it.Next() {
block.transactions[it.Idx()] = NewTransactionFromValue(it.Value())
//receipt := NewRecieptFromValue(receipts.Get(i))
//block.transactions[i] = receipt.Tx
//block.receipts[i] = receipt
}
}
@ -330,22 +303,27 @@ func (block *Block) RlpValueDecode(decoder *ethutil.Value) {
}
func (self *Block) setHeader(header *ethutil.Value) {
self.PrevHash = header.Get(0).Bytes()
self.UncleSha = header.Get(1).Bytes()
self.Coinbase = header.Get(2).Bytes()
self.state = ethstate.New(ethtrie.New(ethutil.Config.Db, header.Get(3).Val))
self.TxSha = header.Get(4).Bytes()
self.ReceiptSha = header.Get(5).Bytes()
self.LogsBloom = header.Get(6).Bytes()
self.Difficulty = header.Get(7).BigInt()
self.Number = header.Get(8).BigInt()
self.MinGasPrice = header.Get(9).BigInt()
self.GasLimit = header.Get(10).BigInt()
self.GasUsed = header.Get(11).BigInt()
self.Time = int64(header.Get(12).BigInt().Uint64())
self.Extra = header.Get(13).Str()
self.Nonce = header.Get(14).Bytes()
}
func NewUncleBlockFromValue(header *ethutil.Value) *Block {
block := &Block{}
block.PrevHash = header.Get(0).Bytes()
block.UncleSha = header.Get(1).Bytes()
block.Coinbase = header.Get(2).Bytes()
block.state = ethstate.New(ethtrie.New(ethutil.Config.Db, header.Get(3).Val))
block.TxSha = header.Get(4).Bytes()
block.Difficulty = header.Get(5).BigInt()
block.Number = header.Get(6).BigInt()
block.MinGasPrice = header.Get(7).BigInt()
block.GasLimit = header.Get(8).BigInt()
block.GasUsed = header.Get(9).BigInt()
block.Time = int64(header.Get(10).BigInt().Uint64())
block.Extra = header.Get(11).Str()
block.Nonce = header.Get(12).Bytes()
block.setHeader(header)
return block
}
@ -376,8 +354,12 @@ func (block *Block) header() []interface{} {
block.Coinbase,
// root state
block.state.Trie.Root,
// Sha of tx
// tx root
block.TxSha,
// Sha of tx
block.ReceiptSha,
// Bloom
block.LogsBloom,
// Current block Difficulty
block.Difficulty,
// The block number
@ -404,7 +386,9 @@ func (block *Block) String() string {
UncleSha: %x
Coinbase: %x
Root: %x
TxSha: %x
TxSha %x
ReceiptSha: %x
Bloom: %x
Difficulty: %v
Number: %v
MinGas: %v
@ -422,6 +406,8 @@ func (block *Block) String() string {
block.Coinbase,
block.state.Trie.Root,
block.TxSha,
block.ReceiptSha,
block.LogsBloom,
block.Difficulty,
block.Number,
block.MinGasPrice,
@ -437,3 +423,23 @@ func (block *Block) String() string {
func (self *Block) Size() ethutil.StorageSize {
return ethutil.StorageSize(len(self.RlpEncode()))
}
/*
func DeriveReceiptHash(receipts Receipts) (sha []byte) {
trie := ethtrie.New(ethutil.Config.Db, "")
for i, receipt := range receipts {
trie.Update(string(ethutil.NewValue(i).Encode()), string(ethutil.NewValue(receipt.RlpData()).Encode()))
}
switch trie.Root.(type) {
case string:
sha = []byte(trie.Root.(string))
case []byte:
sha = trie.Root.([]byte)
default:
panic(fmt.Sprintf("invalid root type %T", trie.Root))
}
return sha
}
*/

31
ethchain/bloom9.go
View File

@ -1,37 +1,44 @@
package ethchain
import "github.com/ethereum/go-ethereum/vm"
import (
"math/big"
func CreateBloom(txs Transactions) uint64 {
var bin uint64
"github.com/ethereum/go-ethereum/vm"
)
func CreateBloom(txs Transactions) []byte {
bin := new(big.Int)
for _, tx := range txs {
bin |= logsBloom(tx.logs)
bin.Or(bin, LogsBloom(tx.logs))
}
return bin
return bin.Bytes()
}
func logsBloom(logs []vm.Log) uint64 {
var bin uint64
func LogsBloom(logs []vm.Log) *big.Int {
bin := new(big.Int)
for _, log := range logs {
data := [][]byte{log.Address}
for _, topic := range log.Topics {
data = append(data, topic.Bytes())
data = append(data, topic)
}
data = append(data, log.Data)
for _, b := range data {
bin |= bloom9(b)
bin.Or(bin, bloom9(b))
}
}
return bin
}
func bloom9(b []byte) uint64 {
var r uint64
func bloom9(b []byte) *big.Int {
r := new(big.Int)
for _, i := range []int{0, 2, 4} {
r |= 1 << (uint64(b[i+1]) + 256*(uint64(b[i])&1))
t := big.NewInt(1)
//r |= 1 << (uint64(b[i+1]) + 256*(uint64(b[i])&1))
r.Or(r, t.Rsh(t, uint(b[i+1])+256*(uint(b[i])&1)))
}
return r

4
ethchain/chain_manager.go
View File

@ -87,8 +87,8 @@ func (bc *ChainManager) Reset() {
bc.genesisBlock.state.Trie.Sync()
// Prepare the genesis block
bc.Add(bc.genesisBlock)
fk := append([]byte("bloom"), bc.genesisBlock.Hash()...)
bc.Ethereum.Db().Put(fk, make([]byte, 255))
//fk := append([]byte("bloom"), bc.genesisBlock.Hash()...)
//bc.Ethereum.Db().Put(fk, make([]byte, 255))
bc.CurrentBlock = bc.genesisBlock
bc.SetTotalDifficulty(ethutil.Big("0"))

14
ethchain/filter.go
View File

@ -2,7 +2,6 @@ package ethchain
import (
"bytes"
"fmt"
"math"
"github.com/ethereum/go-ethereum/ethstate"
@ -171,13 +170,14 @@ func (self *Filter) FilterMessages(msgs []*ethstate.Message) []*ethstate.Message
}
func (self *Filter) bloomFilter(block *Block) bool {
fk := append([]byte("bloom"), block.Hash()...)
bin, err := self.eth.Db().Get(fk)
if err != nil {
fmt.Println(err)
}
//fk := append([]byte("bloom"), block.Hash()...)
//bin, err := self.eth.Db().Get(fk)
//if err != nil {
// fmt.Println(err)
//}
bloom := NewBloomFilter(bin)
// TODO update to the new bloom filter
bloom := NewBloomFilter(nil)
var fromIncluded, toIncluded bool
if len(self.from) > 0 {

11
ethchain/genesis.go
View File

@ -13,19 +13,24 @@ import (
var ZeroHash256 = make([]byte, 32)
var ZeroHash160 = make([]byte, 20)
var ZeroHash512 = make([]byte, 64)
var EmptyShaList = ethcrypto.Sha3(ethutil.Encode([]interface{}{}))
var GenesisHeader = []interface{}{
// Previous hash (none)
ZeroHash256,
// Empty uncles
"",
EmptyShaList,
// Coinbase
ZeroHash160,
// Root state
"",
EmptyShaList,
// tx sha
"",
EmptyShaList,
// receipt list
EmptyShaList,
// bloom
ZeroHash512,
// Difficulty
//ethutil.BigPow(2, 22),
big.NewInt(131072),

26
ethchain/state_manager.go
View File

@ -173,8 +173,9 @@ done:
state.Update()
txGas.Sub(txGas, st.gas)
accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
cumulative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
//receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative}
receipt := &Receipt{ethutil.CopyBytes(state.Root().([]byte)), cumulative, LogsBloom(tx.logs).Bytes(), tx.logs}
if i < len(block.Receipts()) {
original := block.Receipts()[i]
@ -183,7 +184,7 @@ done:
os.Exit(1)
}
err := fmt.Errorf("#%d receipt failed (r) %v ~ %x <=> (c) %v ~ %x (%x...)", i+1, original.CumulativeGasUsed, original.PostState[0:4], receipt.CumulativeGasUsed, receipt.PostState[0:4], receipt.Tx.Hash()[0:4])
err := fmt.Errorf("#%d receipt failed (r) %v ~ %x <=> (c) %v ~ %x (%x...)", i+1, original.CumulativeGasUsed, original.PostState[0:4], receipt.CumulativeGasUsed, receipt.PostState[0:4], tx.Hash()[0:4])
return nil, nil, nil, nil, err
}
@ -235,14 +236,19 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
fmt.Printf("## %x %x ##\n", block.Hash(), block.Number)
}
txSha := DeriveSha(block.transactions)
if bytes.Compare(txSha, block.TxSha) != 0 {
return fmt.Errorf("Error validating transaction sha. Received %x, got %x", block.ReceiptSha, txSha)
}
receipts, err := sm.ApplyDiff(state, parent, block)
if err != nil {
return err
}
txSha := CreateTxSha(receipts)
if bytes.Compare(txSha, block.TxSha) != 0 {
return fmt.Errorf("Error validating tx sha. Received %x, got %x", block.TxSha, txSha)
receiptSha := DeriveSha(receipts)
if bytes.Compare(receiptSha, block.ReceiptSha) != 0 {
return fmt.Errorf("Error validating receipt sha. Received %x, got %x", block.ReceiptSha, receiptSha)
}
// Block validation
@ -271,13 +277,15 @@ func (sm *StateManager) Process(block *Block, dontReact bool) (err error) {
// Add the block to the chain
sm.bc.Add(block)
// TODO at this point we should also insert LOGS in to a database
sm.transState = state.Copy()
// Create a bloom bin for this block
filter := sm.createBloomFilter(state)
//filter := sm.createBloomFilter(state)
// Persist the data
fk := append([]byte("bloom"), block.Hash()...)
sm.eth.Db().Put(fk, filter.Bin())
//fk := append([]byte("bloom"), block.Hash()...)
//sm.eth.Db().Put(fk, filter.Bin())
statelogger.Infof("Imported block #%d (%x...)\n", block.Number, block.Hash()[0:4])
if dontReact == false {

10
ethchain/state_transition.go
View File

@ -5,7 +5,6 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/ethstate"
"github.com/ethereum/go-ethereum/ethtrie"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/vm"
)
@ -231,11 +230,9 @@ func (self *StateTransition) TransitionState() (err error) {
msg.Output = ret
} else {
// Add default LOG
// PUSH1 1 CALLER ADD LOG1
// Add default LOG. Default = big(sender.addr) + 1
addr := ethutil.BigD(sender.Address())
addr.Add(addr, ethutil.Big1)
tx.addLog(vm.Log{sender.Address(), []*big.Int{addr}, nil})
tx.addLog(vm.Log{sender.Address(), [][]byte{addr.Add(addr, ethutil.Big1).Bytes()}, nil})
}
}
@ -250,9 +247,7 @@ func (self *StateTransition) Eval(msg *ethstate.Message, script []byte, context
callerClosure = vm.NewClosure(msg, transactor, context, script, self.gas, self.gasPrice)
)
//vm := vm.New(env, vm.Type(ethutil.Config.VmType))
evm := vm.New(env, vm.DebugVmTy)
ret, _, err = callerClosure.Call(evm, self.tx.Data)
return
@ -264,7 +259,6 @@ func MakeContract(tx *Transaction, state *ethstate.State) *ethstate.StateObject
contract := state.GetOrNewStateObject(addr)
contract.InitCode = tx.Data
contract.State = ethstate.New(ethtrie.New(ethutil.Config.Db, ""))
return contract
}

48
ethchain/transaction.go
View File

@ -113,7 +113,8 @@ func (tx *Transaction) PublicKey() []byte {
sig := append(r, s...)
sig = append(sig, tx.v-27)
pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
pubkey := ethcrypto.Ecrecover(append(hash, sig...))
//pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
return pubkey
}
@ -208,11 +209,11 @@ func (tx *Transaction) String() string {
}
type Receipt struct {
Tx *Transaction
PostState []byte
CumulativeGasUsed *big.Int
Bloom []byte
Logs vm.Logs
}
type Receipts []*Receipt
func NewRecieptFromValue(val *ethutil.Value) *Receipt {
r := &Receipt{}
@ -222,25 +223,22 @@ func NewRecieptFromValue(val *ethutil.Value) *Receipt {
}
func (self *Receipt) RlpValueDecode(decoder *ethutil.Value) {
self.Tx = NewTransactionFromValue(decoder.Get(0))
self.PostState = decoder.Get(1).Bytes()
self.CumulativeGasUsed = decoder.Get(2).BigInt()
self.PostState = decoder.Get(0).Bytes()
self.CumulativeGasUsed = decoder.Get(1).BigInt()
self.Bloom = decoder.Get(2).Bytes()
it := decoder.Get(3).NewIterator()
for it.Next() {
self.Logs = append(self.Logs, vm.NewLogFromValue(it.Value()))
}
}
func (self *Receipt) RlpData() interface{} {
return []interface{}{self.Tx.RlpData(), self.PostState, self.CumulativeGasUsed}
return []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.Logs.RlpData()}
}
func (self *Receipt) String() string {
return fmt.Sprintf(`
R
Tx:[ %v]
PostState: 0x%x
CumulativeGasUsed: %v
`,
self.Tx,
self.PostState,
self.CumulativeGasUsed)
func (self *Receipt) RlpEncode() []byte {
return ethutil.Encode(self.RlpData())
}
func (self *Receipt) Cmp(other *Receipt) bool {
@ -251,11 +249,27 @@ func (self *Receipt) Cmp(other *Receipt) bool {
return true
}
type Receipts []*Receipt
func (self Receipts) Len() int { return len(self) }
func (self Receipts) GetRlp(i int) []byte { return ethutil.Rlp(self[i]) }
// Transaction slice type for basic sorting
type Transactions []*Transaction
func (self Transactions) RlpData() interface{} {
// Marshal the transactions of this block
enc := make([]interface{}, len(self))
for i, tx := range self {
// Cast it to a string (safe)
enc[i] = tx.RlpData()
}
return enc
}
func (s Transactions) Len() int { return len(s) }
func (s Transactions) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
func (s Transactions) GetRlp(i int) []byte { return ethutil.Rlp(s[i]) }
type TxByNonce struct{ Transactions }

2
ethminer/miner.go
View File

@ -187,7 +187,7 @@ func (self *Miner) mineNewBlock() {
}
self.ethereum.TxPool().RemoveSet(erroneous)
self.txs = append(txs, unhandledTxs...)
self.block.SetTxHash(receipts)
self.block.SetReceiptHash(receipts)
// Set the transactions to the block so the new SHA3 can be calculated
self.block.SetReceipts(receipts, txs)

11
ethtrie/trie.go
View File

@ -219,6 +219,17 @@ func (t *Trie) Delete(key string) {
}
}
func (self *Trie) GetRoot() []byte {
switch self.Root.(type) {
case string:
return []byte(self.Root.(string))
case []byte:
return self.Root.([]byte)
default:
panic(fmt.Sprintf("invalid root type %T", self.Root))
}
}
// Simple compare function which creates a rlp value out of the evaluated objects
func (t *Trie) Cmp(trie *Trie) bool {
return ethutil.NewValue(t.Root).Cmp(ethutil.NewValue(trie.Root))

6
ethutil/rlp.go
View File

@ -15,6 +15,10 @@ type RlpEncodeDecode interface {
RlpValue() []interface{}
}
type RlpEncodable interface {
RlpData() interface{}
}
func Rlp(encoder RlpEncode) []byte {
return encoder.RlpEncode()
}
@ -100,6 +104,8 @@ func Encode(object interface{}) []byte {
switch t := object.(type) {
case *Value:
buff.Write(Encode(t.Raw()))
case RlpEncodable:
buff.Write(Encode(t.RlpData()))
// Code dup :-/
case int:
buff.Write(Encode(big.NewInt(int64(t))))

4
ethutil/value.go
View File

@ -377,6 +377,10 @@ func (val *Value) NewIterator() *ValueIterator {
return &ValueIterator{value: val}
}
func (it *ValueIterator) Len() int {
return it.value.Len()
}
func (it *ValueIterator) Next() bool {
if it.idx >= it.value.Len() {
return false

33
vm/log.go
View File

@ -1,9 +1,38 @@
package vm
import "math/big"
import "github.com/ethereum/go-ethereum/ethutil"
type Log struct {
Address []byte
Topics []*big.Int
Topics [][]byte
Data []byte
}
func NewLogFromValue(decoder *ethutil.Value) Log {
log := Log{
Address: decoder.Get(0).Bytes(),
Data: decoder.Get(2).Bytes(),
}
it := decoder.Get(1).NewIterator()
for it.Next() {
log.Topics = append(log.Topics, it.Value().Bytes())
}
return log
}
func (self Log) RlpData() interface{} {
return []interface{}{self.Address, ethutil.ByteSliceToInterface(self.Topics), self.Data}
}
type Logs []Log
func (self Logs) RlpData() interface{} {
data := make([]interface{}, len(self))
for i, log := range self {
data[i] = log.RlpData()
}
return data
}

4
vm/vm_debug.go
View File

@ -704,11 +704,11 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
self.Printf(" => [%d] %x [0] %x", n, x.Bytes(), y.Bytes())
case LOG0, LOG1, LOG2, LOG3, LOG4:
n := int(op - LOG0)
topics := make([]*big.Int, n)
topics := make([][]byte, n)
mSize, mStart := stack.Pop().Int64(), stack.Pop().Int64()
data := mem.Geti(mStart, mSize)
for i := 0; i < n; i++ {
topics[i] = stack.Pop()
topics[i] = stack.Pop().Bytes()
}
self.env.AddLog(Log{closure.Address(), topics, data})
case MLOAD: