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params.go
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params.go
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package types
import (
"fmt"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
var _ paramtypes.ParamSet = &Params{}
// Auction params default values
const (
// DefaultAuctionPeriodDurationSeconds represents the number of seconds in two weeks
DefaultAuctionPeriod int64 = 60 * 60 * 24 * 14
)
// Parameter keys
var (
KeyAuctionPeriod = []byte("AuctionPeriod")
)
// ParamKeyTable returns the parameter key table.
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new Params instance
func NewParams(
auctionPeriod int64,
) Params {
return Params{
AuctionPeriod: auctionPeriod,
}
}
// ParamSetPairs returns the parameter set pairs.
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
// TODO: @albert, add the rest of the parameters
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyAuctionPeriod, &p.AuctionPeriod, validateAuctionPeriodDuration),
}
}
// DefaultParams returns a default set of parameters.
func DefaultParams() Params {
return Params{
AuctionPeriod: DefaultAuctionPeriod,
}
}
// Validate performs basic validation on auction parameters.
func (p Params) Validate() error {
if err := validateAuctionPeriodDuration(p.AuctionPeriod); err != nil {
return err
}
return nil
}
func validateAuctionPeriodDuration(i interface{}) error {
v, ok := i.(int64)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v == 0 {
return fmt.Errorf("AuctionPeriodDuration must be positive: %d", v)
}
return nil
}