-
Notifications
You must be signed in to change notification settings - Fork 0
/
params.go
101 lines (83 loc) · 2.27 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
package types
import (
"errors"
"fmt"
"github.com/ayher/project-anatha/config"
"strings"
sdk "github.com/ayher/anatha/types"
"github.com/ayher/anatha/x/params"
)
var (
KeyPerSecondInflationRate = []byte("PerSecondInflationRate")
KeyMintDenom = []byte("MintDenom")
)
type Params struct {
PerSecondInflationRate sdk.Dec `json:"per_second_inflation_rate" yaml:"per_second_inflation_rate"` // per second inflation rate
MintDenom string `json:"mint_denom" yaml:"mint_denom"` // type of coin to mint
}
func ParamKeyTable() params.KeyTable {
return params.NewKeyTable().RegisterParamSet(&Params{})
}
func NewParams(
perSecondInflationRate sdk.Dec, mintDenom string,
) Params {
return Params{
PerSecondInflationRate: perSecondInflationRate,
MintDenom: mintDenom,
}
}
func DefaultParams() Params {
return Params{
PerSecondInflationRate: sdk.NewDecWithPrec(315306958, 18), // to target 1% annual
MintDenom: config.DefaultDenom,
}
}
func (p Params) Validate() error {
if err := validatePerSecondInflation(p.PerSecondInflationRate); err != nil {
return err
}
if err := validateMintDenom(p.MintDenom); err != nil {
return err
}
return nil
}
func (p Params) String() string {
return fmt.Sprintf(`Minting Params:
Mint Denom: %s
Per Second Inflation Rate: %s
`,
p.PerSecondInflationRate, p.MintDenom,
)
}
func (p *Params) ParamSetPairs() params.ParamSetPairs {
return params.ParamSetPairs{
params.NewParamSetPair(KeyPerSecondInflationRate, &p.PerSecondInflationRate, validatePerSecondInflation),
params.NewParamSetPair(KeyMintDenom, &p.MintDenom, validateMintDenom),
}
}
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 validatePerSecondInflation(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNegative() {
return fmt.Errorf("max inflation cannot be negative: %s", v)
}
if v.GT(sdk.OneDec()) {
return fmt.Errorf("max inflation too large: %s", v)
}
return nil
}