core/types/common.go


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package types

import (
    "math/big"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/state"

    "fmt"
)

type BlockProcessor interface {
    Process(*Block) (state.Logs, error)
}

const bloomLength = 256

type Bloom [bloomLength]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(fmt.Sprintf("bloom bytes too big %d %d", len(b), len(d)))
    }

    copy(b[bloomLength-len(d):], d)
}

func (b Bloom) Big() *big.Int {
    return common.Bytes2Big(b[:])
}

func (b Bloom) Bytes() []byte {
    return b[:]
}