-
Notifications
You must be signed in to change notification settings - Fork 0
/
acc2unconfirmed.go
83 lines (70 loc) · 2.18 KB
/
acc2unconfirmed.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
package app
import (
"bytes"
sdk "github.com/cosmos/cosmos-sdk/types"
)
const (
CodeSpaceUnconfirmedLimit sdk.CodespaceType = "unconfirmed_limit"
CodeTooManyUnconfirmedTx sdk.CodeType = 2100
)
var errTooManyUnconfirmedTx = sdk.NewError(CodeSpaceUnconfirmedLimit, CodeTooManyUnconfirmedTx, "Too Many Unconfirmed Transactions")
const (
SameTxExist = 1
OtherTxExist = 2
NoTxExist = 3
SweepPeriod = 15 * 60 // 15 minutes
DefaultLimitTime = 60 // a minute
)
type UnconfirmedTx struct {
HashID []byte
Timestamp int64
}
type Account2UnconfirmedTx struct {
auMap map[string]UnconfirmedTx
limitTime int64
removeList []sdk.AccAddress
lastSweepTime int64
}
func NewAccount2UnconfirmedTx(limitTime int64) *Account2UnconfirmedTx {
return &Account2UnconfirmedTx{
auMap: make(map[string]UnconfirmedTx),
limitTime: limitTime,
removeList: make([]sdk.AccAddress, 0, 5000),
lastSweepTime: 0,
}
}
func (acc2unc *Account2UnconfirmedTx) Lookup(addr sdk.AccAddress, hashid []byte, timestamp int64) int {
unconfirmedTx, ok := acc2unc.auMap[string(addr)]
expired := timestamp-unconfirmedTx.Timestamp > acc2unc.limitTime
if !ok || expired {
return NoTxExist
}
if bytes.Equal(unconfirmedTx.HashID, hashid) {
return SameTxExist
}
return OtherTxExist
}
func (acc2unc *Account2UnconfirmedTx) Add(addr sdk.AccAddress, hashid []byte, timestamp int64) {
acc2unc.auMap[string(addr)] = UnconfirmedTx{HashID: hashid, Timestamp: timestamp}
}
func (acc2unc *Account2UnconfirmedTx) AddToRemoveList(addrs []sdk.AccAddress) {
acc2unc.removeList = append(acc2unc.removeList, addrs...)
}
func (acc2unc *Account2UnconfirmedTx) CommitRemove(timestamp int64) {
for _, addr := range acc2unc.removeList {
s := string(addr)
delete(acc2unc.auMap, s) // will do nothing if key not existing
}
if timestamp-acc2unc.lastSweepTime > SweepPeriod {
for acc, unconfirmedTx := range acc2unc.auMap {
expired := timestamp-unconfirmedTx.Timestamp > acc2unc.limitTime
if expired {
delete(acc2unc.auMap, acc)
}
}
acc2unc.lastSweepTime = timestamp
}
}
func (acc2unc *Account2UnconfirmedTx) ClearRemoveList() {
acc2unc.removeList = acc2unc.removeList[:0]
}