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validations.go
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validations.go
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package types
import (
"fmt"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func ValidateONFTID(onftId string) error {
if len(onftId) < MinIDLen || len(onftId) > MaxIDLen {
return errorsmod.Wrapf(
ErrInvalidONFTID,
"invalid onftId %s, length must be between [%d, %d]", onftId, MinIDLen, MaxIDLen)
}
if !IsBeginWithAlpha(onftId) || !IsAlphaNumeric(onftId) {
return errorsmod.Wrapf(
ErrInvalidONFTID,
"invalid onftId %s, only accepts alphanumeric characters and begin with an english letter", onftId)
}
return nil
}
func ValidateDenomID(denomID string) error {
if len(denomID) < MinIDLen || len(denomID) > MaxIDLen {
return errorsmod.Wrapf(
ErrInvalidDenom,
"invalid denom ID %s, length must be between [%d, %d]",
denomID,
MinIDLen,
MaxIDLen,
)
}
if !IsBeginWithAlpha(denomID) || !IsAlphaNumeric(denomID) {
return errorsmod.Wrapf(
ErrInvalidDenom,
"invalid denom ID %s, only accepts alphanumeric characters,and begin with an english letter",
denomID,
)
}
return nil
}
func ValidateDenomSymbol(denomSymbol string) error {
if len(denomSymbol) < MinDenomLen || len(denomSymbol) > MaxDenomLen {
return errorsmod.Wrapf(
ErrInvalidDenom,
"invalid denom symbol %s, only accepts value [%d, %d]",
denomSymbol,
MinDenomLen,
MaxDenomLen,
)
}
if !IsBeginWithAlpha(denomSymbol) || !IsAlpha(denomSymbol) {
return errorsmod.Wrapf(
ErrInvalidDenom,
"invalid denom symbol %s, only accepts alphabetic characters",
denomSymbol,
)
}
return nil
}
func ValidateName(name string) error {
if len(name) > MaxNameLen {
return errorsmod.Wrapf(
ErrInvalidName,
"invalid name %s, length must be less than %d",
name,
MaxNameLen,
)
}
return nil
}
func ValidateDescription(description string) error {
if len(description) > MaxDescriptionLen {
return errorsmod.Wrapf(
ErrInvalidDescription,
"invalid description %s, length must be less than %d",
description,
MaxDescriptionLen,
)
}
return nil
}
func ValidateURI(uri string) error {
if len(uri) > MaxURILen {
return errorsmod.Wrapf(
ErrInvalidURI,
"invalid uri %s, length must be less than %d",
uri,
MaxURILen,
)
}
return nil
}
func ValidateMediaURI(uri string) error {
if len(uri) == 0 {
return errorsmod.Wrapf(
ErrInvalidURI,
"invalid uri %s, media uri should not be empty",
uri,
)
}
if len(uri) > MaxURILen {
return errorsmod.Wrapf(
ErrInvalidURI,
"invalid uri %s, length must be less than %d",
uri,
MaxURILen,
)
}
return nil
}
func ValidateCreationFee(fee sdk.Coin) error {
if !fee.IsValid() || fee.IsNil() {
return errorsmod.Wrapf(
ErrInvalidURI,
"invalid creation fee %s, fee must be positive",
fee.String(),
)
}
return nil
}
func ValidateWeightedAddresses(i interface{}) error {
v, ok := i.([]*WeightedAddress)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
// fund community pool when rewards address is empty
if len(v) == 0 {
return nil
}
weightSum := sdk.NewDec(0)
for i, w := range v {
// we allow address to be "" to go to community pool
if w.Address != "" {
_, err := sdk.AccAddressFromBech32(w.Address)
if err != nil {
return fmt.Errorf("invalid address at %dth", i)
}
}
if !w.Weight.IsPositive() {
return fmt.Errorf("non-positive weight at %dth", i)
}
if w.Weight.GT(sdk.NewDec(1)) {
return fmt.Errorf("more than 1 weight at %dth", i)
}
weightSum = weightSum.Add(w.Weight)
}
if !weightSum.Equal(sdk.NewDec(1)) {
return fmt.Errorf("invalid weight sum: %s", weightSum.String())
}
return nil
}