/
params.go
85 lines (69 loc) · 1.51 KB
/
params.go
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package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// NewParams creates a new Params object
func NewParams(
enableFeeShare bool,
developerShares sdk.Dec,
allowedDenoms []string,
) Params {
return Params{
EnableFeeShare: enableFeeShare,
DeveloperShares: developerShares,
AllowedDenoms: allowedDenoms,
}
}
func DefaultParams() Params {
return Params{
EnableFeeShare: DefaultEnableFeeShare,
DeveloperShares: DefaultDeveloperShares,
AllowedDenoms: DefaultAllowedDenoms,
}
}
func validateBool(i interface{}) error {
_, ok := i.(bool)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}
func validateShares(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("invalid parameter: nil")
}
if v.IsNegative() {
return fmt.Errorf("value cannot be negative: %T", i)
}
if v.GT(sdk.OneDec()) {
return fmt.Errorf("value cannot be greater than 1: %T", i)
}
return nil
}
func validateArray(i interface{}) error {
_, ok := i.([]string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
for _, denom := range i.([]string) {
if denom == "" {
return fmt.Errorf("denom cannot be blank")
}
}
return nil
}
func (p Params) Validate() error {
if err := validateBool(p.EnableFeeShare); err != nil {
return err
}
if err := validateShares(p.DeveloperShares); err != nil {
return err
}
err := validateArray(p.AllowedDenoms)
return err
}