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params.go
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params.go
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package types
import (
"fmt"
"time"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// DefaultTimePerBlock is the default value for maximum expected time per block (in nanoseconds).
const DefaultTimePerBlock = 30 * time.Second
// KeyMaxExpectedTimePerBlock is store's key for MaxExpectedTimePerBlock parameter
var KeyMaxExpectedTimePerBlock = []byte("MaxExpectedTimePerBlock")
// ParamKeyTable type declaration for parameters
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new parameter configuration for the ibc connection module
func NewParams(timePerBlock uint64) Params {
return Params{
MaxExpectedTimePerBlock: timePerBlock,
}
}
// DefaultParams is the default parameter configuration for the ibc connection module
func DefaultParams() Params {
return NewParams(uint64(DefaultTimePerBlock))
}
// Validate ensures MaxExpectedTimePerBlock is non-zero
func (p Params) Validate() error {
if p.MaxExpectedTimePerBlock == 0 {
return fmt.Errorf("MaxExpectedTimePerBlock cannot be zero")
}
return nil
}
// ParamSetPairs implements params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyMaxExpectedTimePerBlock, p.MaxExpectedTimePerBlock, validateParams),
}
}
func validateParams(i interface{}) error {
_, ok := i.(uint64)
if !ok {
return fmt.Errorf("invalid parameter. expected %T, got type: %T", uint64(1), i)
}
return nil
}