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block conversion

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This commit is contained in:
obscuren
2015-03-16 17:27:23 +01:00
parent e620bde405
commit bfcd2cf132
6 changed files with 75 additions and 37 deletions
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61
core/types/block.go
View File

@ -27,7 +27,7 @@ type Header struct {
// Receipt sha
ReceiptHash common.Hash
// Bloom
Bloom [256]byte
Bloom Bloom
// Difficulty for the current block
Difficulty *big.Int
// The block number
@ -73,28 +73,30 @@ func (self *Header) RlpData() interface{} {
return self.rlpData(true)
}
func (self *Header) Hash() []byte {
return crypto.Sha3(common.Encode(self.rlpData(true)))
func (self *Header) Hash() common.Hash {
return common.BytesToHash(crypto.Sha3(common.Encode(self.rlpData(true))))
}
func (self *Header) HashNoNonce() []byte {
return crypto.Sha3(common.Encode(self.rlpData(false)))
func (self *Header) HashNoNonce() common.Hash {
return common.BytesToHash(crypto.Sha3(common.Encode(self.rlpData(false))))
}
type Block struct {
// Preset Hash for mock
HeaderHash []byte
ParentHeaderHash []byte
header *Header
uncles []*Header
transactions Transactions
Td *big.Int
// Preset Hash for mock (Tests)
HeaderHash common.Hash
ParentHeaderHash common.Hash
// ^^^^ ignore ^^^^
header *Header
uncles []*Header
transactions Transactions
Td *big.Int
receipts Receipts
Reward *big.Int
}
func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.Int, nonce uint64, extra string) *Block {
func NewBlock(parentHash common.Hash, coinbase common.Address, root common.Hash, difficulty *big.Int, nonce uint64, extra string) *Block {
header := &Header{
Root: root,
ParentHash: parentHash,
@ -113,8 +115,7 @@ func NewBlock(parentHash []byte, coinbase []byte, root []byte, difficulty *big.I
}
func (self *Header) setNonce(nonce uint64) {
self.Nonce = make([]byte, 8)
binary.BigEndian.PutUint64(self.Nonce, nonce)
binary.BigEndian.PutUint64(self.Nonce[:], nonce)
}
func NewBlockWithHeader(header *Header) *Block {
@ -148,7 +149,7 @@ func (self *Block) Uncles() []*Header {
func (self *Block) SetUncles(uncleHeaders []*Header) {
self.uncles = uncleHeaders
self.header.UncleHash = crypto.Sha3(common.Encode(uncleHeaders))
self.header.UncleHash = common.BytesToHash(crypto.Sha3(common.Encode(uncleHeaders)))
}
func (self *Block) Transactions() Transactions {
@ -196,23 +197,23 @@ 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) MixDigest() []byte { return self.header.MixDigest }
func (self *Block) Number() *big.Int { return self.header.Number }
func (self *Block) NumberU64() uint64 { return self.header.Number.Uint64() }
func (self *Block) MixDigest() common.Hash { return self.header.MixDigest }
func (self *Block) Nonce() uint64 {
return binary.BigEndian.Uint64(self.header.Nonce)
return binary.BigEndian.Uint64(self.header.Nonce[:])
}
func (self *Block) SetNonce(nonce uint64) {
self.header.setNonce(nonce)
}
func (self *Block) Bloom() []byte { return self.header.Bloom }
func (self *Block) Coinbase() []byte { return self.header.Coinbase }
func (self *Block) Bloom() Bloom { return self.header.Bloom }
func (self *Block) Coinbase() common.Address { 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) Root() common.Hash { return self.header.Root }
func (self *Block) SetRoot(root common.Hash) { self.header.Root = root }
func (self *Block) Size() common.StorageSize { return common.StorageSize(len(common.Encode(self))) }
func (self *Block) GetTransaction(i int) *Transaction {
if len(self.transactions) > i {
@ -228,19 +229,19 @@ func (self *Block) GetUncle(i int) *Header {
}
// Implement pow.Block
func (self *Block) Difficulty() *big.Int { return self.header.Difficulty }
func (self *Block) HashNoNonce() []byte { return self.header.HashNoNonce() }
func (self *Block) Difficulty() *big.Int { return self.header.Difficulty }
func (self *Block) HashNoNonce() common.Hash { return self.header.HashNoNonce() }
func (self *Block) Hash() []byte {
if self.HeaderHash != nil {
func (self *Block) Hash() common.Hash {
if (self.HeaderHash != common.Hash{}) {
return self.HeaderHash
} else {
return self.header.Hash()
}
}
func (self *Block) ParentHash() []byte {
if self.ParentHeaderHash != nil {
func (self *Block) ParentHash() common.Hash {
if (self.ParentHeaderHash != common.Hash{}) {
return self.ParentHeaderHash
} else {
return self.header.ParentHash

19
core/types/block_test.go
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@ -1 +1,20 @@
package types
import (
"fmt"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
)
func TestConversion(t *testing.T) {
var (
parent common.Hash
coinbase common.Address
hash common.Hash
)
block := NewBlock(parent, coinbase, hash, big.NewInt(0), 0, "")
fmt.Println(block)
}

6
core/types/bloom9.go
View File

@ -3,18 +3,18 @@ package types
import (
"math/big"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
)
func CreateBloom(receipts Receipts) []byte {
func CreateBloom(receipts Receipts) Bloom {
bin := new(big.Int)
for _, receipt := range receipts {
bin.Or(bin, LogsBloom(receipt.logs))
}
return common.LeftPadBytes(bin.Bytes(), 256)
return BytesToBloom(bin.Bytes())
}
func LogsBloom(logs state.Logs) *big.Int {

19
core/types/common.go
View File

@ -5,3 +5,22 @@ import "math/big"
type BlockProcessor interface {
Process(*Block) (*big.Int, error)
}
type Bloom [256]byte
func BytesToBloom(b []byte) Bloom {
var bloom Bloom
bloom.SetBytes(b)
return bloom
}
func (b *Bloom) SetBytes(d []byte) {
if len(b) > len(d) {
panic("bloom bytes too big")
}
// reverse loop
for i := len(d) - 1; i >= 0; i-- {
b[i] = b[i]
}
}

6
core/types/derive_sha.go
View File

@ -1,8 +1,8 @@
package types
import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/trie"
)
@ -11,12 +11,12 @@ type DerivableList interface {
GetRlp(i int) []byte
}
func DeriveSha(list DerivableList) []byte {
func DeriveSha(list DerivableList) common.Hash {
db, _ := ethdb.NewMemDatabase()
trie := trie.New(nil, db)
for i := 0; i < list.Len(); i++ {
trie.Update(common.Encode(i), list.GetRlp(i))
}
return trie.Root()
return common.BytesToHash(trie.Root())
}