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params.go
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params.go
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package types
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
// Parameter store key
var (
ParamStoreKeyFeeParams = []byte("feeparams")
)
func ParamKeyTable() paramtypes.KeyTable {
return paramtypes.NewKeyTable(
paramtypes.NewParamSetPair(ParamStoreKeyFeeParams, FeeParams{}, validateFeeParams),
)
}
// DefaultFeeParams returns default cheqd module tx fee parameters
func DefaultFeeParams() *FeeParams {
return &FeeParams{
CreateDid: sdk.NewCoin(BaseMinimalDenom, sdk.NewInt(DefaultCreateDidTxFee)),
UpdateDid: sdk.NewCoin(BaseMinimalDenom, sdk.NewInt(DefaultUpdateDidTxFee)),
DeactivateDid: sdk.NewCoin(BaseMinimalDenom, sdk.NewInt(DefaultDeactivateDidTxFee)),
BurnFactor: sdk.MustNewDecFromStr(DefaultBurnFactor),
}
}
// ValidateBasic performs basic validation of cheqd module tx fee parameters
func (tfp *FeeParams) ValidateBasic() error {
if !tfp.CreateDid.IsPositive() || tfp.CreateDid.Denom != BaseMinimalDenom {
return fmt.Errorf("invalid create did tx fee: %s", tfp.CreateDid)
}
if !tfp.UpdateDid.IsPositive() || tfp.UpdateDid.Denom != BaseMinimalDenom {
return fmt.Errorf("invalid update did tx fee: %s", tfp.UpdateDid)
}
if !tfp.DeactivateDid.IsPositive() || tfp.DeactivateDid.Denom != BaseMinimalDenom {
return fmt.Errorf("invalid deactivate did tx fee: %s", tfp.DeactivateDid)
}
if !tfp.BurnFactor.IsPositive() || tfp.BurnFactor.GTE(sdk.OneDec()) {
return fmt.Errorf("invalid burn factor: %s", tfp.BurnFactor)
}
return nil
}
func validateCreateDid(i interface{}) error {
v, ok := i.(sdk.Coin)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("create did msg fee param must not be nil")
}
if !v.IsPositive() {
return fmt.Errorf("create did msg fee param must be positive coin: %s", v)
}
return nil
}
func validateUpdateDid(i interface{}) error {
v, ok := i.(sdk.Coin)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("update did msg fee param must not be nil")
}
if !v.IsPositive() {
return fmt.Errorf("update did msg fee param must be positive coin: %s", v)
}
return nil
}
func validateDeactivateDid(i interface{}) error {
v, ok := i.(sdk.Coin)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("deactivate did msg fee param must not be nil")
}
if !v.IsPositive() {
return fmt.Errorf("deactivate did msg fee param must be positive coin: %s", v)
}
return nil
}
func validateBurnFactor(i interface{}) error {
v, ok := i.(sdk.Dec)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if v.IsNil() {
return fmt.Errorf("burn factor must not be nil")
}
if v.IsNegative() {
return fmt.Errorf("burn factor must not be negative: %s", v)
}
if v.GTE(sdk.OneDec()) {
return fmt.Errorf("burn factor must be less than 1: %s", v)
}
return nil
}
func validateFeeParams(i interface{}) error {
v, ok := i.(FeeParams)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if err := validateCreateDid(v.CreateDid); err != nil {
return err
}
if err := validateUpdateDid(v.UpdateDid); err != nil {
return err
}
if err := validateDeactivateDid(v.DeactivateDid); err != nil {
return err
}
if err := validateBurnFactor(v.BurnFactor); err != nil {
return err
}
return v.ValidateBasic()
}