func UnmarshalAndValidateAnchorRecordV2(data []byte, extIDs [][]byte, publicKey interfaces.Verifier) (*AnchorRecord, bool, error) {
if len(data) == 0 {
return nil, false, fmt.Errorf("Invalid data passed")
}
if len(extIDs) != 1 {
return nil, false, fmt.Errorf("Invalid External IDs passed")
}
sig := new(primitives.ByteSliceSig)
sig.UnmarshalBinary(extIDs[0])
fixed, err := sig.GetFixed()
if err != nil {
return nil, false, err
}
valid := publicKey.Verify(data, &fixed)
if valid == false {
return nil, false, nil
}
ar := new(AnchorRecord)
err = ar.Unmarshal(data)
if err != nil {
return nil, false, err
}
return ar, true, nil
}
func UnmarshalAndValidateAnchorRecord(data []byte, publicKey interfaces.Verifier) (*AnchorRecord, bool, error) {
if len(data) == 0 {
return nil, false, fmt.Errorf("Invalid data passed")
}
str := string(data)
end := strings.LastIndex(str, "}}")
if end < 0 {
return nil, false, fmt.Errorf("Found no closing bracket in `%v`", str)
}
anchorStr := str[:end+2]
signatureStr := str[end+2:]
sig := new(primitives.ByteSliceSig)
sig.UnmarshalText([]byte(signatureStr))
fixed, err := sig.GetFixed()
if err != nil {
return nil, false, err
}
valid := publicKey.Verify([]byte(anchorStr), &fixed)
if valid == false {
return nil, false, nil
}
ar := new(AnchorRecord)
err = ar.Unmarshal(data)
if err != nil {
return nil, false, err
}
return ar, true, nil
}