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Sha addresses

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This commit is contained in:
obscuren 2014-11-04 01:29:49 +01:00
parent a82b89e2d5
commit 9c2b878678
2 changed files with 18 additions and 4 deletions
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10
chain/bloom9.go
View File

@ -3,24 +3,25 @@ package chain
import (
"math/big"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/state"
)
func CreateBloom(block *Block) []byte {
bin := new(big.Int)
bin.Or(bin, bloom9(block.Coinbase))
bin.Or(bin, bloom9(crypto.Sha3(block.Coinbase)))
for _, receipt := range block.Receipts() {
bin.Or(bin, LogsBloom(receipt.logs))
}
return bin.Bytes()
return ethutil.LeftPadBytes(bin.Bytes(), 64)
}
func LogsBloom(logs state.Logs) *big.Int {
bin := new(big.Int)
for _, log := range logs {
data := [][]byte{log.Address}
data := [][]byte{crypto.Sha3(log.Address)}
for _, topic := range log.Topics {
data = append(data, topic)
}
@ -41,7 +42,8 @@ func bloom9(b []byte) *big.Int {
r := new(big.Int)
for _, i := range []int{0, 2, 4} {
t := big.NewInt(1)
r.Or(r, t.Lsh(t, uint(b[i+1])+256*(uint(b[i])&1)))
b := uint(b[i+1]) + 256*(uint(b[i])&1)
r.Or(r, t.Lsh(t, b))
}
return r

12
chain/bloom9_test.go
View File

@ -1,9 +1,12 @@
package chain
import (
"fmt"
"testing"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/state"
"github.com/ethgo.old/ethutil"
)
func TestBloom9(t *testing.T) {
@ -17,3 +20,12 @@ func TestBloom9(t *testing.T) {
t.Errorf("Bloom lookup failed")
}
}
func TestAddress(t *testing.T) {
block := &Block{}
block.Coinbase = ethutil.Hex2Bytes("22341ae42d6dd7384bc8584e50419ea3ac75b83f")
fmt.Printf("%x\n", crypto.Sha3(block.Coinbase))
bin := CreateBloom(block)
fmt.Printf("bin = %x\n", ethutil.LeftPadBytes(bin, 64))
}