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params.go
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params.go
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package types
import (
"errors"
"fmt"
"strings"
errorsmod "cosmossdk.io/errors"
"github.com/Nolus-Protocol/nolus-core/app/params"
sdk "github.com/cosmos/cosmos-sdk/types"
"gopkg.in/yaml.v2"
)
var (
DefaultFeeRate int32 = 40
DefaultContractAddress string = "nolus14hj2tavq8fpesdwxxcu44rty3hh90vhujrvcmstl4zr3txmfvw9s0k0puz"
DefaultBaseDenom string = params.BaseCoinUnit
DefaultOracleAddress string = "nolus1436kxs0w2es6xlqpp9rd35e3d0cjnw4sv8j3a7483sgks29jqwgsv3wzl4"
DefaultProfitAddress string = "nolus1mf6ptkssddfmxvhdx0ech0k03ktp6kf9yk59renau2gvht3nq2gqkxgywu"
DefaultAcceptedDenoms []*DenomTicker = []*DenomTicker{
{
Denom: "ibc/C4CFF46FD6DE35CA4CF4CE031E643C8FDC9BA4B99AE598E9B0ED98FE3A2319F9y",
Ticker: "OSMO",
},
{
Denom: "ibc/5DE4FCAF68AE40F81F738C857C0D95F7C1BC47B00FA1026E85C1DD92524D4A11",
Ticker: "USDC",
},
}
)
// NewParams creates a new Params instance.
func NewParams(
feeRate int32,
contractAddress string,
baseDenom string,
) Params {
return Params{
FeeRate: feeRate,
ContractAddress: contractAddress,
BaseDenom: baseDenom,
}
}
// DefaultParams returns default x/tax module parameters.
func DefaultParams() Params {
return Params{
FeeRate: DefaultFeeRate,
ContractAddress: DefaultContractAddress,
BaseDenom: DefaultBaseDenom,
FeeParams: DefaultFeeParams(),
}
}
// DefaultFeeParams is used to initialize the default fee params.
// Oracle and Profit addresses are set to the default addresses which were used in genesis.
func DefaultFeeParams() []*FeeParam {
return []*FeeParam{
{
OracleAddress: DefaultOracleAddress,
ProfitAddress: DefaultProfitAddress,
AcceptedDenoms: DefaultAcceptedDenoms,
},
}
}
// Validate validates the set of params.
func (p Params) Validate() error {
if err := validateFeeRate(p.FeeRate); err != nil {
return err
}
if err := validateContractAddress(p.ContractAddress); err != nil {
return err
}
if err := validateBaseDenom(p.BaseDenom); err != nil {
return err
}
if err := validateFeeParams(p.FeeParams); err != nil {
return err
}
return nil
}
// String implements the Stringer interface.
func (p Params) String() string {
out, _ := yaml.Marshal(p)
return string(out)
}
func validateFeeRate(v interface{}) error {
feeRate, ok := v.(int32)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
if feeRate < 0 || feeRate > 50 {
return ErrInvalidFeeRate
}
return nil
}
func validateContractAddress(v interface{}) error {
contractAddress, ok := v.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
_, err := sdk.AccAddressFromBech32(contractAddress)
if err != nil {
return errorsmod.Wrap(ErrInvalidAddress, err.Error())
}
return nil
}
func validateBaseDenom(v interface{}) error {
baseDenom, ok := v.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
if strings.TrimSpace(baseDenom) == "" {
return errors.New("base denom cannot be blank")
}
err := sdk.ValidateDenom(baseDenom)
if err != nil {
return err
}
return nil
}
func validateFeeParams(v interface{}) error {
feeParams, ok := v.([]*FeeParam)
if !ok {
return fmt.Errorf("invalid parameter type: %T", v)
}
for _, feeParam := range feeParams {
if feeParam.OracleAddress == "" || feeParam.ProfitAddress == "" ||
strings.TrimSpace(feeParam.OracleAddress) == "" || strings.TrimSpace(feeParam.ProfitAddress) == "" {
return ErrInvalidFeeParam
}
}
return nil
}