1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
package main
import (
"fmt"
"time"
)
type Block struct {
RlpSerializer
number uint32
prevHash string
uncles []*Block
coinbase string
// state xxx
difficulty int
time time.Time
nonce int
transactions []*Transaction
}
func NewBlock(/* TODO use raw data */transactions []*Transaction) *Block {
block := &Block{
// Slice of transactions to include in this block
transactions: transactions,
time: time.Now(),
}
return block
}
func (block *Block) Update() {
}
func (block *Block) Hash() string {
return Sha256Hex(block.MarshalRlp())
}
func (block *Block) MarshalRlp() []byte {
// Encoding method requires []interface{} type. It's actual a slice of strings
encTx := make([]string, len(block.transactions))
for i, tx := range block.transactions {
encTx[i] = string(tx.MarshalRlp())
}
header := []interface{}{
block.number,
//block.prevHash,
// Sha of uncles
//block.coinbase,
// root state
//Sha256Bin([]byte(RlpEncode(encTx))),
//block.difficulty,
//block.time,
//block.nonce,
// extra?
}
return Encode([]interface{}{header, encTx})
}
func (block *Block) UnmarshalRlp(data []byte) {
fmt.Printf("%q\n", data)
t, _ := Decode(data,0)
if slice, ok := t.([]interface{}); ok {
if txes, ok := slice[1].([]interface{}); ok {
fmt.Println(txes[0])
}
}
}
|
