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block.go
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/
block.go
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package blkchain
import (
"fmt"
"io"
)
const (
MainNetMagic = 0xd9b4bef9
TestNetMagic = 0x0709110b
)
type Block struct {
Magic uint32
*BlockHeader
Txs TxList
}
func (b *Block) BaseSize() int {
return b.BlockHeader.Size() + b.Txs.BaseSize()
}
func (b *Block) Size() int {
return b.BlockHeader.Size() + b.Txs.Size()
}
func (b *Block) Weight() int {
return b.BaseSize()*3 + b.Size()
}
func (b *Block) VirtualSize() int {
return b.BlockHeader.Size() + b.Txs.VirtualSize()
}
func (b *Block) BinRead(r io.Reader) error {
m, err := readMagic(r)
if err != nil {
return err
}
if b.Magic > 0 && b.Magic != m {
return fmt.Errorf("Bad magic: %d", m)
}
var size uint32
err = BinRead(&size, r)
if err != nil {
return err
}
var bh BlockHeader
err = BinRead(&bh, r)
if err != nil {
return err
}
b.BlockHeader = &bh
err = BinRead(&b.Txs, r)
if err != nil {
return err
}
return nil
}
// TODO: BinWrite()