/
params.go
144 lines (117 loc) · 3.43 KB
/
params.go
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package types
import (
"errors"
"fmt"
"strings"
sdk "github.com/cosmos/cosmos-sdk/types"
paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
)
const (
// DefaultBaseTokenDenom is the denom of the base native token by default
DefaultBaseTokenDenom = "uirita"
// DefaultPointTokenDenom is the denom of the native point token by default
DefaultPointTokenDenom = "upoint"
// DefaultUnrestrictedTokenTransfer is set to false, which
// means that the token transfer is under certain constraint
DefaultUnrestrictedTokenTransfer = true
)
// Parameter store keys
var (
KeyBaseTokenDenom = []byte("BaseTokenDenom")
KeyPointTokenDenom = []byte("PointTokenDenom")
KeyBaseTokenManager = []byte("BaseTokenManager")
KeyUnrestrictedTokenTransfer = []byte("UnrestrictedTokenTransfer")
)
// NewParams creates a new Params instance
func NewParams(
baseTokenDenom string,
pointTokenDenom string,
baseTokenManager string,
unrestrictedTokenTransfer bool,
) Params {
return Params{
BaseTokenDenom: baseTokenDenom,
PointTokenDenom: pointTokenDenom,
BaseTokenManager: baseTokenManager,
UnrestrictedTokenTransfer: unrestrictedTokenTransfer,
}
}
// DefaultParams returns the module default parameters
func DefaultParams() Params {
return NewParams(
DefaultBaseTokenDenom,
DefaultPointTokenDenom,
"",
DefaultUnrestrictedTokenTransfer,
)
}
// Validate validates the params
func (p Params) Validate() error {
if err := validateBaseTokenDenom(p.BaseTokenDenom); err != nil {
return err
}
if err := validatePointTokenDenom(p.PointTokenDenom); err != nil {
return err
}
if err := validateBaseTokenManager(p.BaseTokenManager); err != nil {
return err
}
if err := validateUnrestrictedTokenTransfer(p.UnrestrictedTokenTransfer); err != nil {
return err
}
return nil
}
// ParamSetPairs implements params.ParamSet
func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
return paramtypes.ParamSetPairs{
paramtypes.NewParamSetPair(KeyBaseTokenDenom, &p.BaseTokenDenom, validateBaseTokenDenom),
paramtypes.NewParamSetPair(KeyPointTokenDenom, &p.PointTokenDenom, validatePointTokenDenom),
paramtypes.NewParamSetPair(KeyBaseTokenManager, &p.BaseTokenManager, validateBaseTokenManager),
paramtypes.NewParamSetPair(KeyUnrestrictedTokenTransfer, &p.UnrestrictedTokenTransfer, validateUnrestrictedTokenTransfer),
}
}
func validateBaseTokenDenom(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if strings.TrimSpace(v) == "" {
return errors.New("base token denom can not be empty")
}
if err := sdk.ValidateDenom(v); err != nil {
return err
}
return nil
}
func validatePointTokenDenom(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if strings.TrimSpace(v) == "" {
return errors.New("point token denom can not be empty")
}
if err := sdk.ValidateDenom(v); err != nil {
return err
}
return nil
}
func validateBaseTokenManager(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
if len(v) > 0 {
if _, err := sdk.AccAddressFromBech32(v); err != nil {
return fmt.Errorf("invalid bech32 address %s: %s", v, err)
}
}
return nil
}
func validateUnrestrictedTokenTransfer(i interface{}) error {
_, ok := i.(bool)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return nil
}