Use correct XMLNS, truncate mandateId if they're longer than 35 characters

pain/pain.go

@@ -6,7 +6,7 @@ import (
 )
 
 const (
-	PAIN_XMLNS     = "urn:iso:std:iso:20022:tech:xsd:pain.008.002.02"
+	PAIN_XMLNS     = "urn:iso:std:iso:20022:tech:xsd:pain.008.001.02"
 	PAIN_XMLNS_XSI = "http://www.w3.org/2001/XMLSchema-instance"
 )
 

pain/payment_information_transactions.go

@@ -117,7 +117,11 @@ type MndtRltdInf struct {
 	//ElctrncSgntr is optional
 }
 
+// NewMandateInfo truncates id to 35 characters
 func NewMandateInfo(id, signatureDate string) MndtRltdInf {
+	if len(id) > 35 {
+		id = id[0:35]
+	}
 	return MndtRltdInf{
 		Id:            id,
 		SignatureDate: signatureDate,