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WIP miner

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This commit is contained in:
obscuren 2015-02-04 05:52:59 -08:00
parent 4dc283c0fb
commit b1870631a4
5 changed files with 219 additions and 54 deletions
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74
core/block_processor.go
View File

@ -84,6 +84,35 @@ func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block
return receipts, nil
}
func (self *BlockProcessor) ApplyTransaction(coinbase *state.StateObject, state *state.StateDB, block *types.Block, tx *types.Transaction, usedGas *big.Int, transientProcess bool) (*types.Receipt, *big.Int, error) {
// If we are mining this block and validating we want to set the logs back to 0
state.EmptyLogs()
txGas := new(big.Int).Set(tx.Gas())
cb := state.GetStateObject(coinbase.Address())
st := NewStateTransition(NewEnv(state, self.bc, tx, block), tx, cb)
_, err := st.TransitionState()
txGas.Sub(txGas, st.gas)
// Update the state with pending changes
state.Update(txGas)
cumulative := new(big.Int).Set(usedGas.Add(usedGas, txGas))
receipt := types.NewReceipt(state.Root(), cumulative)
receipt.SetLogs(state.Logs())
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
chainlogger.Debugln(receipt)
// Notify all subscribers
if !transientProcess {
go self.eventMux.Post(TxPostEvent{tx})
}
return receipt, txGas, err
}
func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state *state.StateDB, block *types.Block, txs types.Transactions, transientProcess bool) (types.Receipts, types.Transactions, types.Transactions, types.Transactions, error) {
var (
receipts types.Receipts
@ -96,15 +125,10 @@ func (self *BlockProcessor) ApplyTransactions(coinbase *state.StateObject, state
done:
for i, tx := range txs {
// If we are mining this block and validating we want to set the logs back to 0
state.EmptyLogs()
txGas := new(big.Int).Set(tx.Gas())
cb := state.GetStateObject(coinbase.Address())
st := NewStateTransition(NewEnv(state, self.bc, tx, block), tx, cb)
_, err = st.TransitionState()
receipt, txGas, err := self.ApplyTransaction(coinbase, state, block, tx, totalUsedGas, transientProcess)
if err != nil {
return nil, nil, nil, nil, err
switch {
case IsNonceErr(err):
err = nil // ignore error
@ -119,30 +143,10 @@ done:
err = nil
}
}
txGas.Sub(txGas, st.gas)
cumulativeSum.Add(cumulativeSum, new(big.Int).Mul(txGas, tx.GasPrice()))
// Update the state with pending changes
state.Update(txGas)
cumulative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, txGas))
receipt := types.NewReceipt(state.Root(), cumulative)
receipt.SetLogs(state.Logs())
receipt.Bloom = types.CreateBloom(types.Receipts{receipt})
chainlogger.Debugln(receipt)
// Notify all subscribers
if !transientProcess {
go self.eventMux.Post(TxPostEvent{tx})
}
receipts = append(receipts, receipt)
handled = append(handled, tx)
if ethutil.Config.Diff && ethutil.Config.DiffType == "all" {
state.CreateOutputForDiff()
}
cumulativeSum.Add(cumulativeSum, new(big.Int).Mul(txGas, tx.GasPrice()))
}
block.Reward = cumulativeSum
@ -285,6 +289,10 @@ func (sm *BlockProcessor) AccumelateRewards(statedb *state.StateDB, block, paren
return UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
if !sm.Pow.Verify(types.NewBlockWithHeader(uncle)) {
return ValidationError("Uncle's nonce is invalid (= %v)", ethutil.Bytes2Hex(uncle.Nonce))
}
r := new(big.Int)
r.Mul(BlockReward, big.NewInt(15)).Div(r, big.NewInt(16))
@ -299,14 +307,6 @@ func (sm *BlockProcessor) AccumelateRewards(statedb *state.StateDB, block, paren
// Reward amount of ether to the coinbase address
account.AddAmount(reward)
statedb.Manifest().AddMessage(&state.Message{
To: block.Header().Coinbase,
Input: nil,
Origin: nil,
Timestamp: int64(block.Header().Time), Coinbase: block.Header().Coinbase, Number: block.Header().Number,
Value: new(big.Int).Add(reward, block.Reward),
})
return nil
}

26
core/types/block.go
View File

@ -6,7 +6,6 @@ import (
"math/big"
"sort"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/rlp"
@ -146,6 +145,10 @@ func (self *Block) SetTransactions(transactions Transactions) {
self.transactions = transactions
self.header.TxHash = DeriveSha(transactions)
}
func (self *Block) AddTransaction(transaction *Transaction) {
self.transactions = append(self.transactions, transaction)
self.SetTransactions(self.transactions)
}
func (self *Block) Receipts() Receipts {
return self.receipts
@ -156,6 +159,10 @@ func (self *Block) SetReceipts(receipts Receipts) {
self.header.ReceiptHash = DeriveSha(receipts)
self.header.Bloom = CreateBloom(receipts)
}
func (self *Block) AddReceipt(receipt *Receipt) {
self.receipts = append(self.receipts, receipt)
self.SetReceipts(self.receipts)
}
func (self *Block) RlpData() interface{} {
return []interface{}{self.header, self.transactions, self.uncles}
@ -166,16 +173,13 @@ func (self *Block) RlpDataForStorage() interface{} {
}
// Header accessors (add as you need them)
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) Bloom() []byte { return self.header.Bloom }
func (self *Block) Coinbase() []byte { return self.header.Coinbase }
func (self *Block) Time() int64 { return int64(self.header.Time) }
func (self *Block) GasLimit() *big.Int { return self.header.GasLimit }
func (self *Block) GasUsed() *big.Int { return self.header.GasUsed }
//func (self *Block) Trie() *ptrie.Trie { return ptrie.New(self.header.Root, ethutil.Config.Db) }
//func (self *Block) State() *state.StateDB { return state.New(self.Trie()) }
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) Bloom() []byte { return self.header.Bloom }
func (self *Block) Coinbase() []byte { return self.header.Coinbase }
func (self *Block) Time() int64 { return int64(self.header.Time) }
func (self *Block) GasLimit() *big.Int { return self.header.GasLimit }
func (self *Block) GasUsed() *big.Int { return self.header.GasUsed }
func (self *Block) Root() []byte { return self.header.Root }
func (self *Block) SetRoot(root []byte) { self.header.Root = root }
func (self *Block) Size() ethutil.StorageSize { return ethutil.StorageSize(len(ethutil.Encode(self))) }

164
miner/worker.go Normal file
View File

@ -0,0 +1,164 @@
package miner
import (
"fmt"
"math/big"
"sort"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/state"
"gopkg.in/fatih/set.v0"
)
type environment struct {
totalUsedGas *big.Int
state *state.StateDB
coinbase *state.StateObject
block *types.Block
ancestors *set.Set
uncles *set.Set
}
func env(block *types.Block, eth *eth.Ethereum) *environment {
state := state.New(block.Root(), eth.Db())
env := &environment{
totalUsedGas: new(big.Int),
state: state,
block: block,
ancestors: set.New(),
uncles: set.New(),
coinbase: state.GetOrNewStateObject(block.Coinbase()),
}
for _, ancestor := range eth.ChainManager().GetAncestors(block, 7) {
env.ancestors.Add(string(ancestor.Hash()))
}
return env
}
type worker struct {
agents []chan<- *types.Block
mux *event.TypeMux
quit chan struct{}
pow pow.PoW
eth *eth.Ethereum
chain *core.ChainManager
proc *core.BlockProcessor
coinbase []byte
current *environment
}
func (self *worker) register(agent chan<- *types.Block) {
self.agents = append(self.agents, agent)
}
func (self *worker) update() {
events := self.mux.Subscribe(core.NewBlockEvent{}, core.TxPreEvent{}, &LocalTx{})
out:
for {
select {
case event := <-events.Chan():
switch event := event.(type) {
case core.NewBlockEvent:
block := event.Block
if self.eth.ChainManager().HasBlock(block.Hash()) {
} else if true {
}
case core.TxPreEvent, *LocalTx:
}
case <-self.quit:
break out
}
}
}
func (self *worker) commit() {
self.current.state.Update(ethutil.Big0)
self.current.block.SetRoot(self.current.state.Root())
for _, agent := range self.agents {
agent <- self.current.block
}
}
func (self *worker) commitNewWork() {
self.current = env(self.chain.NewBlock(self.coinbase), self.eth)
parent := self.chain.GetBlock(self.current.block.ParentHash())
self.current.coinbase.SetGasPool(core.CalcGasLimit(parent, self.current.block))
transactions := self.eth.TxPool().GetTransactions()
sort.Sort(types.TxByNonce{transactions})
// Keep track of transactions which return errors so they can be removed
var remove types.Transactions
for _, tx := range transactions {
err := self.commitTransaction(tx)
switch {
case core.IsNonceErr(err):
remove = append(remove, tx)
case core.IsGasLimitErr(err):
// ignore
default:
minerlogger.Infoln(err)
remove = append(remove, tx)
}
}
self.eth.TxPool().RemoveSet(remove)
self.current.coinbase.AddAmount(core.BlockReward)
self.commit()
}
var (
inclusionReward = new(big.Int).Div(core.BlockReward, big.NewInt(32))
_uncleReward = new(big.Int).Mul(core.BlockReward, big.NewInt(15))
uncleReward = new(big.Int).Div(_uncleReward, big.NewInt(16))
)
func (self *worker) commitUncle(uncle *types.Header) error {
if self.current.uncles.Has(string(uncle.Hash())) {
// Error not unique
return core.UncleError("Uncle not unique")
}
self.current.uncles.Add(string(uncle.Hash()))
if !self.current.ancestors.Has(string(uncle.ParentHash)) {
return core.UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
}
if !self.pow.Verify(types.NewBlockWithHeader(uncle)) {
return core.ValidationError("Uncle's nonce is invalid (= %v)", ethutil.Bytes2Hex(uncle.Nonce))
}
uncleAccount := self.current.state.GetAccount(uncle.Coinbase)
uncleAccount.AddAmount(uncleReward)
self.current.coinbase.AddBalance(uncleReward)
return nil
}
func (self *worker) commitTransaction(tx *types.Transaction) error {
snapshot := self.current.state.Copy()
receipt, txGas, err := self.proc.ApplyTransaction(self.current.coinbase, self.current.state, self.current.block, tx, self.current.totalUsedGas, true)
if err != nil {
self.current.state.Set(snapshot)
return err
}
self.current.totalUsedGas.Add(self.current.totalUsedGas, txGas)
self.current.block.AddTransaction(tx)
self.current.block.AddReceipt(receipt)
return nil
}

2
pow/ezp/pow.go
View File

@ -53,7 +53,7 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte {
elapsed := time.Now().UnixNano() - start
hashes := ((float64(1e9) / float64(elapsed)) * float64(i)) / 1000
pow.HashRate = int64(hashes)
powlogger.Infoln("Hashing @", pow.HashRate, "khash")
//powlogger.Infoln("Hashing @", pow.HashRate, "khash")
t = time.Now()
}

7
xeth/whisper.go
View File

@ -2,11 +2,9 @@ package xeth
import (
"errors"
"fmt"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/whisper"
)
@ -32,7 +30,6 @@ func (self *Whisper) Post(payload string, to, from string, topics []string, prio
pk := crypto.ToECDSAPub(fromHex(from))
if key := self.Whisper.GetIdentity(pk); key != nil || len(from) == 0 {
fmt.Println("POST:", to)
msg := whisper.NewMessage(fromHex(payload))
envelope, err := msg.Seal(time.Duration(priority*100000), whisper.Opts{
Ttl: time.Duration(ttl) * time.Second,
@ -109,8 +106,8 @@ type WhisperMessage struct {
func NewWhisperMessage(msg *whisper.Message) WhisperMessage {
return WhisperMessage{
ref: msg,
Payload: "0x" + ethutil.Bytes2Hex(msg.Payload),
From: "0x" + ethutil.Bytes2Hex(crypto.FromECDSAPub(msg.Recover())),
Payload: toHex(msg.Payload),
From: toHex(crypto.FromECDSAPub(msg.Recover())),
Sent: msg.Sent,
}
}