/
params.go
146 lines (119 loc) · 3.18 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
package types
import (
fmt "fmt"
"gopkg.in/yaml.v2"
sdkmath "cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
const (
batchSettlementCount = 1000
maxBetByUIDQueryCount = 10
)
var (
defaultMinAmount = sdkmath.NewInt(1000000)
defaultFee = sdkmath.NewInt(100)
)
// parameter store keys
var (
// keyBatchSettlementCount is the batch settlement
// count of bets
keyBatchSettlementCount = []byte("BatchSettlementCount")
// keyMaxBetByUIDQueryCount is the max count of
// the queryable bets by UID list.
keyMaxBetByUIDQueryCount = []byte("MaxBetByUidQueryCount")
// keyWagerConstraints is the default bet placement
// constraints.
keyWagerConstraints = []byte("WagerConstraints")
)
var _ paramtypes.ParamSet = (*Params)(nil)
// ParamKeyTable the param key table for launch module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new Params instance
func NewParams() Params {
return Params{
BatchSettlementCount: batchSettlementCount,
MaxBetByUidQueryCount: maxBetByUIDQueryCount,
Constraints: Constraints{
MinAmount: defaultMinAmount,
Fee: defaultFee,
},
}
}
// DefaultParams returns a default set of parameters
func DefaultParams() Params {
return NewParams()
}
// ParamSetPairs get the params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(
keyBatchSettlementCount,
&p.BatchSettlementCount,
validateBatchSettlementCount,
),
paramtypes.NewParamSetPair(
keyMaxBetByUIDQueryCount,
&p.MaxBetByUidQueryCount,
validateMaxBetByUIDQueryCount,
),
paramtypes.NewParamSetPair(
keyWagerConstraints,
&p.Constraints,
validateConstraints,
),
}
}
// Validate validates the set of params
func (p Params) Validate() error {
if err := validateBatchSettlementCount(p.BatchSettlementCount); err != nil {
return err
}
if err := validateMaxBetByUIDQueryCount(p.MaxBetByUidQueryCount); err != nil {
return err
}
return validateConstraints(p.Constraints)
}
// String implements the Stringer interface.
func (p Params) String() string {
out, err := yaml.Marshal(p)
if err != nil {
panic(err)
}
return string(out)
}
func validateBatchSettlementCount(i interface{}) error {
v, ok := i.(uint32)
if !ok {
return fmt.Errorf("%s: %T", ErrTextInvalidParamType, i)
}
if v <= 0 {
return fmt.Errorf("%s: %d", ErrTextBatchSettlementCountMustBePositive, v)
}
return nil
}
func validateMaxBetByUIDQueryCount(i interface{}) error {
v, ok := i.(uint32)
if !ok {
return fmt.Errorf("%s: %T", ErrTextInvalidParamType, i)
}
if v <= 0 {
return fmt.Errorf("%s: %d", ErrTextMaxBetUIDQueryCountMustBePositive, v)
}
return nil
}
func validateConstraints(i interface{}) error {
v, ok := i.(Constraints)
if !ok {
return fmt.Errorf("%s: %T", ErrTextInvalidParamType, i)
}
if v.MinAmount.LTE(sdk.OneInt()) {
return fmt.Errorf("minimum bet amount must be more than one: %d", v.MinAmount.Int64())
}
if v.Fee.LT(sdk.ZeroInt()) {
return fmt.Errorf("minimum bet fee must be positive: %d", v.Fee.Int64())
}
return nil
}