-
Notifications
You must be signed in to change notification settings - Fork 55
/
params.go
126 lines (109 loc) · 3.7 KB
/
params.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
package types
import (
"errors"
"fmt"
"strings"
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
utils "github.com/crescent-network/crescent/types"
)
// Parameter store keys
var (
KeyMintDenom = []byte("MintDenom")
KeyBlockTimeThreshold = []byte("BlockTimeThreshold")
KeyInflationSchedules = []byte("InflationSchedules")
// DefaultInflationSchedules is example of inflation schedules, It could be rearranged on genesis or gov
DefaultInflationSchedules = []InflationSchedule{
{
StartTime: utils.ParseTime("2022-01-01T00:00:00Z"),
EndTime: utils.ParseTime("2023-01-01T00:00:00Z"),
Amount: sdk.NewInt(300000000000000),
},
{
StartTime: utils.ParseTime("2023-01-01T00:00:00Z"),
EndTime: utils.ParseTime("2024-01-01T00:00:00Z"),
Amount: sdk.NewInt(200000000000000),
},
}
DefaultBlockTimeThreshold = 10 * time.Second
)
// ParamTable for mint module.
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// default mint module parameters
func DefaultParams() Params {
return Params{
MintDenom: sdk.DefaultBondDenom,
BlockTimeThreshold: DefaultBlockTimeThreshold,
InflationSchedules: DefaultInflationSchedules,
}
}
// validate params
func (p Params) Validate() error {
if err := validateMintDenom(p.MintDenom); err != nil {
return err
}
if err := validateBlockTimeThreshold(p.BlockTimeThreshold); err != nil {
return err
}
if err := validateInflationSchedules(p.InflationSchedules); err != nil {
return err
}
return nil
}
// Implements params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyMintDenom, &p.MintDenom, validateMintDenom),
paramtypes.NewParamSetPair(KeyBlockTimeThreshold, &p.BlockTimeThreshold, validateBlockTimeThreshold),
paramtypes.NewParamSetPair(KeyInflationSchedules, &p.InflationSchedules, validateInflationSchedules),
}
}
func validateMintDenom(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if strings.TrimSpace(v) == "" {
return errors.New("mint denom cannot be blank")
}
if err := sdk.ValidateDenom(v); err != nil {
return err
}
return nil
}
func validateBlockTimeThreshold(i interface{}) error {
v, ok := i.(time.Duration)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v <= 0 {
return fmt.Errorf("block time threshold must be positive: %d", v)
}
return nil
}
func validateInflationSchedules(i interface{}) error {
v, ok := i.([]InflationSchedule)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
for j, inflation := range v {
if !inflation.Amount.IsPositive() {
return fmt.Errorf("inflation schedule amount must be positive: %s", inflation.Amount)
}
if inflation.Amount.LT(sdk.NewInt(int64(inflation.EndTime.Sub(inflation.StartTime).Seconds()))) {
return fmt.Errorf("inflation amount too small, it should be over period duration seconds: %s", inflation.Amount)
}
if !inflation.EndTime.After(inflation.StartTime) {
return fmt.Errorf("inflation end time %s must be greater than start time %s", inflation.EndTime.Format(time.RFC3339), inflation.StartTime.Format(time.RFC3339))
}
for _, inflationOther := range v[j+1:] {
if utils.DateRangesOverlap(inflation.StartTime, inflation.EndTime, inflationOther.StartTime, inflationOther.EndTime) {
return fmt.Errorf("inflation periods cannot be overlapped %s ~ %s with %s ~ %s", inflation.StartTime.Format(time.RFC3339), inflation.EndTime.Format(time.RFC3339), inflationOther.StartTime.Format(time.RFC3339), inflationOther.EndTime.Format(time.RFC3339))
}
}
}
return nil
}