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params.go
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params.go
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package types
import (
"fmt"
"math/big"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
const (
DefaultTransferOutRelayerFeeParam string = "1000000000000000" // 0.001
DefaultTransferOutAckRelayerFeeParam string = "0"
)
var (
KeyParamTransferOutRelayerFee = []byte("TransferOutRelayerFee")
KeyParamTransferOutAckRelayerFee = []byte("TransferOutAckRelayerFee")
)
var _ paramtypes.ParamSet = (*Params)(nil)
// ParamKeyTable the param key table for launch module
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
}
// DefaultParams returns a default set of parameters
func DefaultParams() Params {
return Params{
TransferOutRelayerFee: DefaultTransferOutRelayerFeeParam,
TransferOutAckRelayerFee: DefaultTransferOutAckRelayerFeeParam,
}
}
// ParamSetPairs get the params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyParamTransferOutRelayerFee, &p.TransferOutRelayerFee, validateTransferOutRelayerFee),
paramtypes.NewParamSetPair(KeyParamTransferOutAckRelayerFee, &p.TransferOutAckRelayerFee, validateTransferOutRelayerFee),
}
}
// Validate validates the set of params
func (p Params) Validate() error {
relayerFee, valid := big.NewInt(0).SetString(p.TransferOutRelayerFee, 10)
if !valid {
return fmt.Errorf("invalid transfer out relayer fee, is %s", p.TransferOutRelayerFee)
}
if relayerFee.Cmp(big.NewInt(0)) < 0 {
return fmt.Errorf("transfer out relayer fee should not be negative, is %s", p.TransferOutRelayerFee)
}
ackRelayerFee, valid := big.NewInt(0).SetString(p.TransferOutAckRelayerFee, 10)
if !valid {
return fmt.Errorf("invalid ack transfer out relayer fee, is %s", p.TransferOutAckRelayerFee)
}
if ackRelayerFee.Cmp(big.NewInt(0)) < 0 {
return fmt.Errorf("transfer out ack relayer fee should not be negative, is %s", p.TransferOutAckRelayerFee)
}
return nil
}
func validateTransferOutRelayerFee(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
relayerFee := big.NewInt(0)
relayerFee, valid := relayerFee.SetString(v, 10)
if !valid {
return fmt.Errorf("invalid transfer out relayer fee, %s", v)
}
if relayerFee.Cmp(big.NewInt(0)) < 0 {
return fmt.Errorf("invalid transfer out relayer fee, %s", v)
}
return nil
}