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params.go
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params.go
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package types
import (
"fmt"
"strings"
"github.com/cosmos/cosmos-sdk/x/ibc/core/exported"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
var (
// DefaultAllowedClients are "06-solomachine" and "07-tendermint"
DefaultAllowedClients = []string{exported.Solomachine, exported.Tendermint}
// KeyAllowedClients is store's key for AllowedClients Params
KeyAllowedClients = []byte("AllowedClients")
)
// ParamKeyTable type declaration for parameters
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// NewParams creates a new parameter configuration for the ibc transfer module
func NewParams(allowedClients ...string) Params {
return Params{
AllowedClients: allowedClients,
}
}
// DefaultParams is the default parameter configuration for the ibc-transfer module
func DefaultParams() Params {
return NewParams(DefaultAllowedClients...)
}
// Validate all ibc-transfer module parameters
func (p Params) Validate() error {
return validateClients(p.AllowedClients)
}
// ParamSetPairs implements params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyAllowedClients, p.AllowedClients, validateClients),
}
}
// IsAllowedClient checks if the given client type is registered on the allowlist.
func (p Params) IsAllowedClient(clientType string) bool {
for _, allowedClient := range p.AllowedClients {
if allowedClient == clientType {
return true
}
}
return false
}
func validateClients(i interface{}) error {
clients, ok := i.([]string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
for i, clientType := range clients {
if strings.TrimSpace(clientType) == "" {
return fmt.Errorf("client type %d cannot be blank", i)
}
}
return nil
}