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