-
Notifications
You must be signed in to change notification settings - Fork 352
/
params.go
126 lines (111 loc) · 3.11 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 (
"fmt"
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// Parameter keys and default values
var (
KeyAssets = []byte("Assets")
DefaultAssets = []Asset{}
ModuleAccountName = ModuleName
)
// NewParams returns a new params object
func NewParams(assets []Asset) Params {
return Params{
Assets: assets,
}
}
// DefaultParams returns default params for issuance module
func DefaultParams() Params {
return NewParams(DefaultAssets)
}
// ParamKeyTable Key declaration for parameters
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// ParamSetPairs implements the ParamSet interface and returns all the key/value pairs
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyAssets, &p.Assets, validateAssetsParam),
}
}
// Validate checks that the parameters have valid values.
func (p Params) Validate() error {
return validateAssetsParam(p.Assets)
}
func validateAssetsParam(i interface{}) error {
assets, ok := i.([]Asset)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return ValidateAssets(assets)
}
// String implements fmt.Stringer
func (p Params) String() string {
return fmt.Sprintf(`Params:
Assets: %s
`, p.Assets)
}
// NewAsset returns a new Asset
func NewAsset(owner string, denom string, blockedAddresses []string, paused bool, blockable bool, limit RateLimit) Asset {
return Asset{
Owner: owner,
Denom: denom,
BlockedAddresses: blockedAddresses,
Paused: paused,
Blockable: blockable,
RateLimit: limit,
}
}
// Validate performs a basic check of asset fields
func (a Asset) Validate() error {
if len(a.Owner) == 0 {
return fmt.Errorf("owner must not be empty")
}
if !a.Blockable && len(a.BlockedAddresses) > 0 {
return fmt.Errorf("asset %s does not support blocking, blocked-list should be empty: %s", a.Denom, a.BlockedAddresses)
}
for _, address := range a.BlockedAddresses {
if len(address) == 0 {
return fmt.Errorf("blocked address must not be empty")
}
if a.Owner == address {
return fmt.Errorf("asset owner cannot be blocked")
}
}
return sdk.ValidateDenom(a.Denom)
}
// String implements fmt.Stringer
func (a Asset) String() string {
return fmt.Sprintf(`Asset:
Owner: %s
Paused: %t
Denom: %s
Blocked Addresses: %s
Rate limits: %s`,
a.Owner, a.Paused, a.Denom, a.BlockedAddresses, a.RateLimit.String())
}
// Validate checks if all assets are valid and there are no duplicate entries
func ValidateAssets(as []Asset) error {
assetDenoms := make(map[string]bool)
for _, a := range as {
if assetDenoms[a.Denom] {
return fmt.Errorf("cannot have duplicate asset denoms: %s", a.Denom)
}
if err := a.Validate(); err != nil {
return err
}
assetDenoms[a.Denom] = true
}
return nil
}
// NewRateLimit initializes a new RateLimit
func NewRateLimit(active bool, limit sdk.Int, timePeriod time.Duration) RateLimit {
return RateLimit{
Active: active,
Limit: limit,
TimePeriod: timePeriod,
}
}