-
Notifications
You must be signed in to change notification settings - Fork 43
/
params.go
151 lines (128 loc) · 4.13 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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
"gopkg.in/yaml.v2"
)
var (
KeyShare = []byte("Share")
KeyDistributionEntities = []byte("DistributionEntities")
KeyTransferFeeBPS = []byte("TransferFeeBPS")
KeyTransferFeeMax = []byte("TransferFeeMax")
KeyTransferFeeDenom = []byte("TransferFeeDenom")
)
var _ paramtypes.ParamSet = (*Params)(nil)
// ParamKeyTable the param key table for launch module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// DefaultParams returns a default set of parameters
func DefaultParams() Params {
return Params{}
}
// ParamSetPairs get the params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyShare, &p.Share, validateShare),
paramtypes.NewParamSetPair(KeyDistributionEntities, &p.DistributionEntities, validateDistributionEntityParams),
paramtypes.NewParamSetPair(KeyTransferFeeBPS, &p.TransferFeeBps, validateTransferFeeBPS),
paramtypes.NewParamSetPair(KeyTransferFeeMax, &p.TransferFeeMax, validateTransferFeeMax),
paramtypes.NewParamSetPair(KeyTransferFeeDenom, &p.TransferFeeDenom, validateTransferFeeDenom),
}
}
func validateDistributionEntityParams(i interface{}) error {
distributionEntities, ok := i.([]DistributionEntity)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
// ensure each denom is only registered one time.
sum := sdk.ZeroDec()
for _, d := range distributionEntities {
adr, err := sdk.AccAddressFromBech32(d.Address)
if err != nil {
return fmt.Errorf("failed to parse bech32 address: %s", d.Address)
}
count := 0
for _, dd := range distributionEntities {
if dd.Address == adr.String() {
count++
}
}
if count > 1 {
return fmt.Errorf("address is already added as a distribution entity: %s", adr)
}
if d.Share.LTE(sdk.ZeroDec()) || d.Share.GT(sdk.OneDec()) {
return fmt.Errorf("distribution entity share must be greater than 0 and less than or equal to 100%%: %s", d.Share.String())
}
sum = sum.Add(d.Share)
}
if len(distributionEntities) > 0 && !sum.Equal(sdk.OneDec()) {
return fmt.Errorf("sum of distribution entity shares don't equal 100%%: %s", sum.String())
}
return nil
}
func validateShare(i interface{}) error {
share, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if share.LT(sdk.ZeroDec()) || share.GT(sdk.OneDec()) {
return fmt.Errorf("share is outside of the range of 0 to 100%%: %s", share.String())
}
return nil
}
func validateTransferFeeBPS(i interface{}) error {
transferFeeBPS, ok := i.(sdk.Int)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if transferFeeBPS.LT(sdk.ZeroInt()) || transferFeeBPS.GT(sdk.NewInt(10000)) {
return fmt.Errorf("ibc transfer basis points fee is outside of the range of 0 to 10000: %s", transferFeeBPS.String())
}
return nil
}
func validateTransferFeeMax(i interface{}) error {
transferFeeMax, ok := i.(sdk.Int)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if transferFeeMax.LT(sdk.ZeroInt()) {
return fmt.Errorf("ibc transfer max fee is less than 0: %s", transferFeeMax.String())
}
return nil
}
func validateTransferFeeDenom(i interface{}) error {
transferFeeDenom, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if transferFeeDenom == "" {
return nil
}
return sdk.ValidateDenom(transferFeeDenom)
}
// Validate validates the set of params
func (p Params) Validate() error {
if err := validateShare(p.Share); err != nil {
return err
}
if err := validateDistributionEntityParams(p.DistributionEntities); err != nil {
return err
}
if err := validateTransferFeeBPS(p.TransferFeeBps); err != nil {
return err
}
if err := validateTransferFeeMax(p.TransferFeeMax); err != nil {
return err
}
if err := validateTransferFeeDenom(p.TransferFeeDenom); err != nil {
return err
}
return nil
}
// String implements the Stringer interface.
func (p Params) String() string {
out, _ := yaml.Marshal(p)
return string(out)
}