-
Notifications
You must be signed in to change notification settings - Fork 2
/
log_event.go
108 lines (91 loc) · 2.61 KB
/
log_event.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
// Copyright 2017 Monax Industries Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package exec
import (
crypto2 "github.com/bcbchain/bclib/tendermint/go-crypto"
"strings"
"fmt"
. "github.com/bcbchain/bcbchain/hyperledger/burrow/binary"
"github.com/bcbchain/bcbchain/hyperledger/burrow/event"
"github.com/bcbchain/bcbchain/hyperledger/burrow/event/query"
"github.com/tmthrgd/go-hex"
)
const logNTextTopicCutset = "\x00"
const LogNKeyPrefix = "Log"
func LogNKey(topic int) string {
return fmt.Sprintf("%s%d", LogNKeyPrefix, topic)
}
func LogNTextKey(topic int) string {
return fmt.Sprintf("%s%dText", LogNKeyPrefix, topic)
}
var logTagKeys []string
var logNTopicIndex = make(map[string]int, 5)
var logNTextTopicIndex = make(map[string]int, 5)
func init() {
for i := 0; i <= 4; i++ {
logN := LogNKey(i)
logTagKeys = append(logTagKeys, LogNKey(i))
logNText := LogNTextKey(i)
logTagKeys = append(logTagKeys, logNText)
logNTopicIndex[logN] = i
logNTextTopicIndex[logNText] = i
}
logTagKeys = append(logTagKeys, event.AddressKey)
}
type LogEvent struct {
Address crypto2.Address `json:"Address"`
Data HexBytes `json:"Data"`
Topics []Word256 `json:"Topics"`
}
func (l *LogEvent) String() string {
topics := Words256{}
for _, t := range l.Topics {
topics = append(topics, t)
}
return fmt.Sprintf("{Address: %s, Data: %s, Topics: %s}",
l.Address,
l.Data.String(),
topics.String())
}
func (l *LogEvent) Get(key string) (string, bool) {
if l == nil {
return "", false
}
var value interface{}
switch key {
case event.AddressKey:
value = l.Address
default:
if i, ok := logNTopicIndex[key]; ok {
return hex.EncodeUpperToString(l.GetTopic(i).Bytes()), true
}
if i, ok := logNTextTopicIndex[key]; ok {
return strings.Trim(string(l.GetTopic(i).Bytes()), logNTextTopicCutset), true
}
return "", false
}
return query.StringFromValue(value), true
}
func (l *LogEvent) GetTopic(i int) Word256 {
if i < len(l.Topics) {
return l.Topics[i]
}
return Word256{}
}
func (l *LogEvent) Len() int {
return len(logTagKeys)
}
func (l *LogEvent) Keys() []string {
return logTagKeys
}