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Changed nonce to a uint64

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This commit is contained in:
obscuren
2015-03-03 21:04:31 +01:00
parent e9f1e868e2
commit 26de12d9bf
10 changed files with 30 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
core/block_processor.go
View File

@@ -277,7 +277,7 @@ func (sm *BlockProcessor) ValidateBlock(block, parent *types.Block) error {
// Verify the nonce of the block. Return an error if it's not valid
if !sm.Pow.Verify(block) {
return ValidationError("Block's nonce is invalid (= %v)", ethutil.Bytes2Hex(block.Header().Nonce))
return ValidationError("Block's nonce is invalid (= %x)", block.Header().Nonce)
}
return nil
@@ -305,7 +305,7 @@ func (sm *BlockProcessor) AccumulateRewards(statedb *state.StateDB, block, paren
}
if !sm.Pow.Verify(types.NewBlockWithHeader(uncle)) {
return ValidationError("Uncle's nonce is invalid (= %v)", ethutil.Bytes2Hex(uncle.Nonce))
return ValidationError("Uncle's nonce is invalid (= %x)", uncle.Nonce)
}
r := new(big.Int)

6
core/chain_makers.go
View File

@@ -14,8 +14,8 @@ import (
// So we can generate blocks easily
type FakePow struct{}
func (f FakePow) Search(block pow.Block, stop <-chan struct{}) ([]byte, []byte, []byte) {
return nil, nil, nil
func (f FakePow) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte, []byte) {
return 0, nil, nil
}
func (f FakePow) Verify(block pow.Block) bool { return true }
func (f FakePow) GetHashrate() int64 { return 0 }
@@ -55,7 +55,7 @@ func NewCanonical(n int, db ethutil.Database) (*BlockProcessor, error) {
// block time is fixed at 10 seconds
func newBlockFromParent(addr []byte, parent *types.Block) *types.Block {
block := types.NewBlock(parent.Hash(), addr, parent.Root(), ethutil.BigPow(2, 32), nil, "")
block := types.NewBlock(parent.Hash(), addr, parent.Root(), ethutil.BigPow(2, 32), 0, "")
block.SetUncles(nil)
block.SetTransactions(nil)
block.SetReceipts(nil)

2
core/chain_manager.go
View File

@@ -197,7 +197,7 @@ func (bc *ChainManager) NewBlock(coinbase []byte) *types.Block {
coinbase,
root,
ethutil.BigPow(2, 32),
nil,
0,
"")
block.SetUncles(nil)
block.SetTransactions(nil)

2
core/genesis.go
View File

@@ -23,7 +23,7 @@ var EmptyShaList = crypto.Sha3(ethutil.Encode([]interface{}{}))
var EmptyListRoot = crypto.Sha3(ethutil.Encode(""))
func GenesisBlock(db ethutil.Database) *types.Block {
genesis := types.NewBlock(ZeroHash256, ZeroHash160, nil, big.NewInt(131072), crypto.Sha3(big.NewInt(42).Bytes()), "")
genesis := types.NewBlock(ZeroHash256, ZeroHash160, nil, big.NewInt(131072), 42, "")
genesis.Header().Number = ethutil.Big0
genesis.Header().GasLimit = big.NewInt(1000000)
genesis.Header().GasUsed = ethutil.Big0

10
core/types/block.go
View File

@@ -39,8 +39,8 @@ type Header struct {
Time uint64
// Extra data
Extra string
// Block Nonce for verification
Nonce ethutil.Bytes
// Nonce
Nonce uint64
// Mix digest for quick checking to prevent DOS
MixDigest ethutil.Bytes
// SeedHash used for light client verification
@@ -94,7 +94,7 @@ type Block struct {
Reward *big.Int
}
func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.Int, nonce []byte, extra string) *Block {
func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.Int, nonce uint64, extra string) *Block {
header := &Header{
Root: root,
ParentHash: parentHash,
@@ -195,7 +195,7 @@ func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) MixDigest() []byte { return self.header.MixDigest }
func (self *Block) SeedHash() []byte { return self.header.SeedHash }
func (self *Block) Nonce() []byte { return self.header.Nonce }
func (self *Block) Nonce() uint64 { return self.header.Nonce }
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) }
@@ -267,7 +267,7 @@ func (self *Header) String() string {
GasUsed: %v
Time: %v
Extra: %v
Nonce: %x
Nonce: %d
MixDigest: %x
SeedHash: %x

2
miner/agent.go
View File

@@ -75,7 +75,7 @@ done:
func (self *CpuMiner) mine(block *types.Block) {
minerlogger.Infof("(re)started agent[%d]. mining...\n", self.index)
nonce, mixDigest, seedHash := self.pow.Search(block, self.quitCurrentOp)
if nonce != nil {
if nonce != 0 {
self.returnCh <- Work{block.Number().Uint64(), nonce, mixDigest, seedHash}
}
}

6
miner/worker.go
View File

@@ -47,7 +47,7 @@ func env(block *types.Block, eth core.Backend) *environment {
type Work struct {
Number uint64
Nonce []byte
Nonce uint64
MixDigest []byte
SeedHash []byte
}
@@ -150,7 +150,7 @@ func (self *worker) wait() {
for work := range self.recv {
// Someone Successfully Mined!
block := self.current.block
if block.Number().Uint64() == work.Number && block.Nonce() == nil {
if block.Number().Uint64() == work.Number && block.Nonce() == 0 {
self.current.block.Header().Nonce = work.Nonce
self.current.block.Header().MixDigest = work.MixDigest
self.current.block.Header().SeedHash = work.SeedHash
@@ -242,7 +242,7 @@ func (self *worker) commitUncle(uncle *types.Header) error {
}
if !self.pow.Verify(types.NewBlockWithHeader(uncle)) {
return core.ValidationError("Uncle's nonce is invalid (= %v)", ethutil.Bytes2Hex(uncle.Nonce))
return core.ValidationError("Uncle's nonce is invalid (= %x)", uncle.Nonce)
}
uncleAccount := self.current.state.GetAccount(uncle.Coinbase)

5
pow/block.go
View File

@@ -1,14 +1,15 @@
package pow
import (
"github.com/ethereum/go-ethereum/core/types"
"math/big"
"github.com/ethereum/go-ethereum/core/types"
)
type Block interface {
Difficulty() *big.Int
HashNoNonce() []byte
Nonce() []byte
Nonce() uint64
MixDigest() []byte
SeedHash() []byte
NumberU64() uint64

16
pow/ezp/pow.go
View File

@@ -1,11 +1,11 @@
package ezp
import (
"encoding/binary"
"math/big"
"math/rand"
"time"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/crypto/sha3"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
@@ -32,7 +32,7 @@ func (pow *EasyPow) Turbo(on bool) {
pow.turbo = on
}
func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) ([]byte, []byte, []byte) {
func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) (uint64, []byte, []byte) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
hash := block.HashNoNonce()
diff := block.Difficulty()
@@ -57,7 +57,7 @@ empty:
for {
select {
case <-stop:
return nil, nil, nil
return 0, nil, nil
default:
i++
@@ -65,7 +65,7 @@ empty:
hashes := ((float64(1e9) / float64(elapsed)) * float64(i-starti)) / 1000
pow.HashRate = int64(hashes)
sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes())
sha := uint64(r.Int63())
if verify(hash, diff, sha) {
return sha, nil, nil
}
@@ -75,16 +75,20 @@ empty:
time.Sleep(20 * time.Microsecond)
}
}
return 0, nil, nil
}
func (pow *EasyPow) Verify(block pow.Block) bool {
return Verify(block)
}
func verify(hash []byte, diff *big.Int, nonce []byte) bool {
func verify(hash []byte, diff *big.Int, nonce uint64) bool {
sha := sha3.NewKeccak256()
d := append(hash, nonce...)
n := make([]byte, 8)
binary.PutUvarint(n, nonce)
d := append(hash, n...)
sha.Write(d)
verification := new(big.Int).Div(ethutil.BigPow(2, 256), diff)

2
pow/pow.go
View File

@@ -1,7 +1,7 @@
package pow
type PoW interface {
Search(block Block, stop <-chan struct{}) ([]byte, []byte, []byte)
Search(block Block, stop <-chan struct{}) (uint64, []byte, []byte)
Verify(block Block) bool
GetHashrate() int64
Turbo(bool)