package api import ( "github.com/celo-org/celo-blockchain/common" "github.com/go-playground/validator/v10" ) type Validator struct { ValidatorProvider *validator.Validate } func (v *Validator) Validate(i interface{}) error { if err := v.ValidatorProvider.Struct(i); err != nil { return err } return nil } func EthChecksumValidator(fl validator.FieldLevel) bool { addr, err := common.NewMixedcaseAddressFromString(fl.Field().String()) if err != nil { return false } return addr.ValidChecksum() }