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params.go
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params.go
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package types
import (
"fmt"
time "time"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/address"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// Parameter store keys
var (
KeyFeeCollector = []byte("FeeCollector")
KeyRewardsAuctionDuration = []byte("RewardsAuctionDuration")
KeyLiquidFarms = []byte("LiquidFarms")
)
// Default parameters
var (
DefaultFeeCollector = sdk.AccAddress(address.Module(ModuleName, []byte("FeeCollector")))
DefaultRewardsAuctionDuration = time.Hour * 8
DefaultLiquidFarms = []LiquidFarm{}
)
var _ paramstypes.ParamSet = (*Params)(nil)
// ParamKeyTable the param key table for the module
func ParamKeyTable() paramstypes.KeyTable {
return paramstypes.NewKeyTable().RegisterParamSet(&Params{})
}
// DefaultParams returns a default set of parameters
func DefaultParams() Params {
return Params{
FeeCollector: DefaultFeeCollector.String(),
RewardsAuctionDuration: DefaultRewardsAuctionDuration,
LiquidFarms: DefaultLiquidFarms,
}
}
// ParamSetPairs get the params.ParamSet
func (p *Params) ParamSetPairs() paramstypes.ParamSetPairs {
return paramstypes.ParamSetPairs{
paramstypes.NewParamSetPair(KeyFeeCollector, &p.FeeCollector, validateFeeCollector),
paramstypes.NewParamSetPair(KeyRewardsAuctionDuration, &p.RewardsAuctionDuration, validateRewardsAuctionDuration),
paramstypes.NewParamSetPair(KeyLiquidFarms, &p.LiquidFarms, validateLiquidFarms),
}
}
// Validate validates the set of parameters
func (p Params) Validate() error {
for _, v := range []struct {
value interface{}
validator func(interface{}) error
}{
{p.FeeCollector, validateFeeCollector},
{p.RewardsAuctionDuration, validateRewardsAuctionDuration},
{p.LiquidFarms, validateLiquidFarms},
} {
if err := v.validator(v.value); err != nil {
return err
}
}
return nil
}
func validateFeeCollector(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
_, err := sdk.AccAddressFromBech32(v)
if err != nil {
return fmt.Errorf("invalid fee collector address: %v", v)
}
return nil
}
func validateRewardsAuctionDuration(i interface{}) error {
v, ok := i.(time.Duration)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v <= 0 {
return fmt.Errorf("rewards auction duration must be positive: %d", v)
}
return nil
}
func validateLiquidFarms(i interface{}) error {
liquidFarms, ok := i.([]LiquidFarm)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
for _, l := range liquidFarms {
if err := l.Validate(); err != nil {
return fmt.Errorf("invalid liquid farm: %v", err)
}
}
return nil
}