/
rlp_unmarshal_storage.go
154 lines (121 loc) · 2.96 KB
/
rlp_unmarshal_storage.go
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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
package types
import (
"fmt"
"github.com/umbracle/fastrlp"
)
type RLPStoreUnmarshaler interface {
UnmarshalStoreRLP(input []byte) error
}
func (b *Body) UnmarshalRLP(input []byte) error {
return UnmarshalRlp(b.UnmarshalRLPFrom, input)
}
func (b *Body) UnmarshalRLPFrom(p *fastrlp.Parser, v *fastrlp.Value) error {
tuple, err := v.GetElems()
if err != nil {
return err
}
if len(tuple) < 2 {
return fmt.Errorf("incorrect number of elements to decode header, expected 2 but found %d", len(tuple))
}
// transactions
txns, err := tuple[0].GetElems()
if err != nil {
return err
}
for _, txn := range txns {
bTxn := &Transaction{}
if err := bTxn.UnmarshalStoreRLPFrom(p, txn); err != nil {
return err
}
b.Transactions = append(b.Transactions, bTxn)
}
// uncles
uncles, err := tuple[1].GetElems()
if err != nil {
return err
}
for _, uncle := range uncles {
bUncle := &Header{}
if err := bUncle.UnmarshalRLPFrom(p, uncle); err != nil {
return err
}
b.Uncles = append(b.Uncles, bUncle)
}
return nil
}
func (t *Transaction) UnmarshalStoreRLP(input []byte) error {
return UnmarshalRlp(t.UnmarshalStoreRLPFrom, input)
}
func (t *Transaction) UnmarshalStoreRLPFrom(p *fastrlp.Parser, v *fastrlp.Value) error {
elems, err := v.GetElems()
if err != nil {
return err
}
if len(elems) < 2 {
return fmt.Errorf("incorrect number of elements to decode transaction, expected 2 but found %d", len(elems))
}
// consensus part
if err := t.UnmarshalRLPFrom(p, elems[0]); err != nil {
return err
}
// context part
if err = elems[1].GetAddr(t.From[:]); err != nil {
return err
}
return nil
}
func (r *Receipts) UnmarshalStoreRLP(input []byte) error {
return UnmarshalRlp(r.UnmarshalStoreRLPFrom, input)
}
func (r *Receipts) UnmarshalStoreRLPFrom(p *fastrlp.Parser, v *fastrlp.Value) error {
elems, err := v.GetElems()
if err != nil {
return err
}
for _, elem := range elems {
rr := &Receipt{}
if err := rr.UnmarshalStoreRLPFrom(p, elem); err != nil {
return err
}
(*r) = append(*r, rr)
}
return nil
}
func (r *Receipt) UnmarshalStoreRLP(input []byte) error {
return UnmarshalRlp(r.UnmarshalStoreRLPFrom, input)
}
func (r *Receipt) UnmarshalStoreRLPFrom(p *fastrlp.Parser, v *fastrlp.Value) error {
elems, err := v.GetElems()
if err != nil {
return err
}
if len(elems) < 3 {
return fmt.Errorf("incorrect number of elements to decode receipt, expected at least 3 but found %d", len(elems))
}
if err := r.UnmarshalRLPFrom(p, elems[0]); err != nil {
return err
}
// contract address
vv, err := elems[1].Bytes()
if err != nil {
return err
}
if len(vv) == 20 {
// address
r.SetContractAddress(BytesToAddress(vv))
}
// gas used
if r.GasUsed, err = elems[2].GetUint64(); err != nil {
return err
}
// tx hash
// backwards compatibility, old receipts did not marshal a TxHash
if len(elems) == 4 {
vv, err := elems[3].Bytes()
if err != nil {
return err
}
r.TxHash = BytesToHash(vv)
}
return nil
}