/
params.go
67 lines (54 loc) · 1.42 KB
/
params.go
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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 _ paramtypes.ParamSet = (*Params)(nil)
var (
KeyCreationFee = []byte("CreationFee")
)
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyCreationFee, &p.CreationFee, validateCreationFee),
}
}
// NewParams constructs a new Params instance
func NewParams(creationFee sdk.Coin) Params {
return Params{
CreationFee: creationFee,
}
}
// ParamKeyTable returns the TypeTable for the module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// DefaultParams return the default params
func DefaultParams() Params {
return Params{
CreationFee: sdk.NewInt64Coin(sdk.DefaultBondDenom, 1_000_000_000),
}
}
// String returns a human readable string representation of the parameters.
func (p Params) String() string {
out, _ := yaml.Marshal(p)
return string(out)
}
// Validate validates the given params
func (p Params) Validate() error {
if err := validateCreationFee(p.CreationFee); err != nil {
return err
}
return nil
}
func validateCreationFee(i interface{}) error {
v, ok := i.(sdk.Coin)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.Validate() != nil {
return fmt.Errorf("invalid creation fee: %+v", i)
}
return nil
}