deps(go-playground-validator): use inbuilt eth_addr_checksum validator on routes

cmd/service/api.go

@@ -20,7 +20,6 @@ const (
 // Bootstrap API server.
 func initApiServer(custodialContainer *custodial.Custodial) *echo.Echo {
 	customValidator := validator.New()
-	customValidator.RegisterValidation("eth_checksum", api.EthChecksumValidator)
 
 	server := echo.New()
 	server.HideBanner = true

internal/api/network.go

@@ -15,7 +15,7 @@ func HandleNetworkAccountStatus(c echo.Context) error {
 	var (
 		cu                   = c.Get("cu").(*custodial.Custodial)
 		accountStatusRequest struct {
-			Address string `param:"address" validate:"required,eth_checksum"`
+			Address string `param:"address" validate:"required,eth_addr_checksum"`
 		}
 		networkBalance big.Int
 		networkNonce   uint64

internal/api/sign.go

@@ -25,9 +25,9 @@ func HandleSignTransfer(c echo.Context) error {
 	var (
 		cu  = c.Get("cu").(*custodial.Custodial)
 		req struct {
-			From           string `json:"from" validate:"required,eth_checksum"`
-			To             string `json:"to" validate:"required,eth_checksum"`
-			VoucherAddress string `json:"voucherAddress" validate:"required,eth_checksum"`
+			From           string `json:"from" validate:"required,eth_addr_checksum"`
+			To             string `json:"to" validate:"required,eth_addr_checksum"`
+			VoucherAddress string `json:"voucherAddress" validate:"required,eth_addr_checksum"`
 			Amount         uint64 `json:"amount" validate:"required"`
 		}
 	)

internal/api/validator.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"github.com/celo-org/celo-blockchain/common"
 	"github.com/go-playground/validator/v10"
 )
 
@@ -17,12 +16,3 @@ func (v *Validator) Validate(i interface{}) error {
 	}
 	return nil
 }
-
-func EthChecksumValidator(fl validator.FieldLevel) bool {
-	addr, err := common.NewMixedcaseAddressFromString(fl.Field().String())
-	if err != nil {
-		return false
-	}
-
-	return addr.ValidChecksum()
-}