add NonFungibleESDTv2 to constants

core/constants.go

@@ -167,6 +167,10 @@ const (
 	Fungible ESDTType = iota
 	// NonFungible defines the token type for ESDT non fungible tokens
 	NonFungible
+	// NonFungibleV2 defines the token type for ESDT non fungible tokens
+	NonFungibleV2
+	// Meta defines the token type for ESDT meta tokens
+	Meta
 )
 
 // FungibleESDT defines the string for the token type of fungible ESDT
@@ -175,6 +179,12 @@ const FungibleESDT = "FungibleESDT"
 // NonFungibleESDT defines the string for the token type of non fungible ESDT
 const NonFungibleESDT = "NonFungibleESDT"
 
+// NonFungibleESDTv2 defines the string for the token type of non fungible ESDT
+const NonFungibleESDTv2 = "NonFungibleESDTv2"
+
+// MetaESDT defines the string for the token type of meta ESDT
+const MetaESDT = "MetaESDT"
+
 // SemiFungibleESDT defines the string for the token type of semi fungible ESDT
 const SemiFungibleESDT = "SemiFungibleESDT"
 

core/converters.go

@@ -177,3 +177,19 @@ func ConvertToEvenHexBigInt(value *big.Int) string {
 
 	return str
 }
+
+// ConvertESDTTypeToUint32 converts the esdt type to uint32
+func ConvertESDTTypeToUint32(esdtType string) (uint32, error) {
+	switch esdtType {
+	case FungibleESDT:
+		return uint32(Fungible), nil
+	case NonFungibleESDT:
+		return uint32(NonFungible), nil
+	case NonFungibleESDTv2:
+		return uint32(NonFungibleV2), nil
+	case MetaESDT:
+		return uint32(Meta), nil
+	default:
+		return math.MaxUint32, fmt.Errorf("invalid esdt type: %s", esdtType)
+	}
+}