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core/types: use reflect

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Felix Lange 2019-01-26 14:41:59 +01:00 committed by GitHub
parent 4b3fe05fe7
commit 4404f0818d
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1 changed files with 4 additions and 2 deletions
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6
core/types/block.go
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@ -19,6 +19,7 @@ package types
import ( import (
"encoding/binary" "encoding/binary"
"reflect"
"io" "io"
"math/big" "math/big"
"sort" "sort"
@ -101,11 +102,12 @@ func (h *Header) Hash() common.Hash {
return rlpHash(h) return rlpHash(h)
} }
var headerSize = common.StorageSize(reflect.TypeOf(Header{}).Size())
// Size returns the approximate memory used by all internal contents. It is used // Size returns the approximate memory used by all internal contents. It is used
// to approximate and limit the memory consumption of various caches. // to approximate and limit the memory consumption of various caches.
func (h *Header) Size() common.StorageSize { func (h *Header) Size() common.StorageSize {
size := binary.Size(h) return headerSize + common.StorageSize(len(h.Extra)+(h.Difficulty.BitLen()+h.Number.BitLen()+h.Time.BitLen())/8)
return common.StorageSize(size) + common.StorageSize(len(h.Extra)+(h.Difficulty.BitLen()+h.Number.BitLen()+h.Time.BitLen())/8)
} }
func rlpHash(x interface{}) (h common.Hash) { func rlpHash(x interface{}) (h common.Hash) {