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params.go
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params.go
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package proposal
import (
fmt "fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// ParamKeyTable type declaration for parameters
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new parameter configuration for the params module
func NewParams(authority string) Params {
return Params{
Authority: authority,
}
}
// DefaultParams is the default parameter configuration for the params module
func DefaultParams() Params {
return NewParams("")
}
// Validate all params module parameters
func (p Params) Validate() error {
return validateAuthority(p.Authority)
}
// ParamSetPairs implements params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair([]byte(AuthorityKey), p.Authority, validateAuthority),
}
}
func validateAuthority(i interface{}) error {
a, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if _, err := sdk.AccAddressFromBech32(a); err != nil {
return sdkerrors.Wrap(err, "authority")
}
return nil
}