-
Notifications
You must be signed in to change notification settings - Fork 39
/
params.go
103 lines (83 loc) · 2.59 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
package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
var _ paramtypes.ParamSet = &Params{}
// Auction params default values
var (
// DefaultAuctionPeriod represents the number of seconds in 1 week
DefaultAuctionPeriod int64 = 60 * 60 * 24 * 7
// DefaultMinNextBidIncrementRate represents default min increment rate 0.25%
DefaultMinNextBidIncrementRate = sdk.NewDecWithPrec(25, 4)
)
// Parameter keys
var (
KeyAuctionPeriod = []byte("AuctionPeriod")
KeyMinNextBidIncrementRate = []byte("MinNextBidIncrementRate")
)
// ParamKeyTable returns the parameter key table.
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new Params instance
func NewParams(
auctionPeriod int64,
minNextBidIncrementRate sdk.Dec,
) Params {
return Params{
AuctionPeriod: auctionPeriod,
MinNextBidIncrementRate: minNextBidIncrementRate,
}
}
// ParamSetPairs returns the parameter set pairs.
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyAuctionPeriod, &p.AuctionPeriod, validateAuctionPeriodDuration),
paramtypes.NewParamSetPair(KeyMinNextBidIncrementRate, &p.MinNextBidIncrementRate, validateMinNextBidIncrementRate),
}
}
// DefaultParams returns a default set of parameters.
func DefaultParams() Params {
return Params{
AuctionPeriod: DefaultAuctionPeriod,
MinNextBidIncrementRate: DefaultMinNextBidIncrementRate,
}
}
// Validate performs basic validation on auction parameters.
func (p Params) Validate() error {
if err := validateAuctionPeriodDuration(p.AuctionPeriod); err != nil {
return err
}
if err := validateMinNextBidIncrementRate(p.MinNextBidIncrementRate); err != nil {
return err
}
return nil
}
func validateAuctionPeriodDuration(i interface{}) error {
v, ok := i.(int64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v == 0 {
return fmt.Errorf("AuctionPeriodDuration must be positive: %d", v)
}
return nil
}
func validateMinNextBidIncrementRate(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("MinNextBidIncrementRate cannot be nil")
}
if v.Equal(sdk.ZeroDec()) {
return fmt.Errorf("MinNextBidIncrementRate must be positive: %s", v.String())
}
if v.GT(sdk.NewDecWithPrec(2, 1)) { // > 20%
return fmt.Errorf("MinNextBidIncrementRate must be equal or less than 20 percent: %s", v.String())
}
return nil
}