/
tokenmgr.go
176 lines (156 loc) · 3.46 KB
/
tokenmgr.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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
package client
import (
"fmt"
"github.com/axengine/httpc"
"github.com/toolglobal/api/libs/log"
"go.uber.org/zap"
"strconv"
"sync"
"time"
)
type token struct {
Name string
Symbol string
Contract string
Decimals int
CreatedAt string
}
type TokenMgr struct {
baseURL string
chainId string
mutex sync.RWMutex
latestTokens map[string]token
}
func NewTokenMgr(source string, chainId string) *TokenMgr {
return &TokenMgr{
baseURL: source,
chainId: chainId,
latestTokens: make(map[string]token),
}
}
func (m *TokenMgr) Start() {
fn := func() {
tm := time.NewTimer(time.Millisecond * 100)
for {
select {
case <-tm.C:
if err := m.sync(); err != nil {
log.Logger.Error("sync tokens", zap.Error(err))
}
tm.Reset(time.Minute)
}
}
}
go fn()
}
func (m *TokenMgr) Sync() error {
return m.sync()
}
func (m *TokenMgr) sync() error {
tokens, err := m.fetchAllCoins()
if err != nil {
return err
}
mp := make(map[string]token)
for _, v := range tokens {
mp[v.Contract] = v
}
m.mutex.Lock()
m.latestTokens = mp
m.mutex.Unlock()
return nil
}
func (m *TokenMgr) fetchAllCoins() ([]token, error) {
coins := make([]token, 0)
page := 1
pageSize := 200
type req struct {
ChainId string `json:"chainId"`
Page int `json:"page"`
PageSize int `json:"pageSize"`
Status int `json:"status"`
}
type resp struct {
Code int `json:"code"`
Msg string `json:"msg"`
Data struct {
List []struct {
Address string `json:"address"`
ChainId string `json:"chainId"`
Contract string `json:"contract"`
Point int `json:"point"`
Created int64 `json:"created"`
Icon string `json:"icon"`
Name string `json:"name"`
SwapSymbol string `json:"swapSymbol"`
Symbol string `json:"symbol"`
TotalIssuance string `json:"totalIssuance"`
WebSite string `json:"webSite"`
WhitePaper string `json:"whitePaper"`
}
} `json:"data"`
}
fetch := func(r req) ([]token, error) {
res := resp{}
err := httpc.New(m.baseURL).Path("/v1/token/list").
Query("page", strconv.FormatInt(int64(r.Page), 32)).
Query("pageSize", strconv.FormatInt(int64(r.PageSize), 32)).
Query("chainId", r.ChainId).
Query("status", strconv.FormatInt(int64(r.Status), 32)).Get(&res, httpc.TypeApplicationJson)
if err != nil {
return nil, err
}
log.Logger.Info("sync", zap.Any("tokens", res))
if res.Code != 0 {
return nil, fmt.Errorf("code %d msg %s", res.Code, res.Msg)
}
coins := make([]token, 0)
if res.Data.List != nil {
for _, v := range res.Data.List {
coins = append(coins, token{
Name: v.Name,
Symbol: v.Symbol,
Contract: v.Contract,
Decimals: v.Point,
CreatedAt: "", // 暂无发行时间
})
}
}
return coins, nil
}
for {
r := req{
ChainId: m.chainId,
Page: page,
PageSize: pageSize,
Status: 2,
}
cs, err := fetch(r)
if err != nil {
return nil, err
}
for _, c := range cs {
coins = append(coins, c)
}
if len(cs) < pageSize {
break
}
page++
}
return coins, nil
}
func (m *TokenMgr) Token(contract string) (token, bool) {
m.mutex.RLock()
defer m.mutex.RUnlock()
tk, ok := m.latestTokens[contract]
return tk, ok
}
func (m *TokenMgr) Tokens() []token {
m.mutex.RLock()
defer m.mutex.RUnlock()
ls := make([]token, len(m.latestTokens))
for _, v := range m.latestTokens {
ls = append(ls, v)
}
return ls
}