input-output-hk · Mr-Leshiy · Oct 17, 2025 · Oct 14, 2025 · Oct 16, 2025 · Oct 16, 2025
diff --git a/docs/src/architecture/08_concepts/signed_doc/cddl/collaborators.cddl b/docs/src/architecture/08_concepts/signed_doc/cddl/collaborators.cddl
@@ -2,7 +2,7 @@
 
 
 ; Allowed Collaborators on the next subsequent version of a document.
-collaborators = [ * catalyst_id_kid ]
+collaborators = [ + catalyst_id_kid ]
 
 ; UTF8 Catalyst ID URI encoded as a bytes string.
 catalyst_id_kid = bytes
diff --git a/docs/src/architecture/08_concepts/signed_doc/cddl/signed_document.cddl b/docs/src/architecture/08_concepts/signed_doc/cddl/signed_document.cddl
@@ -116,7 +116,7 @@ section_ref = json_pointer
 json_pointer = text
 
 ; Allowed Collaborators on the next subsequent version of a document.
-collaborators = [ * catalyst_id_kid ]
+collaborators = [ + catalyst_id_kid ]
 
 ; UTF8 Catalyst ID URI encoded as a bytes string.
 catalyst_id_kid = bytes

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/brand_parameters.md b/docs/src/architecture/08_concepts/signed_doc/docs/brand_parameters.md
@@ -197,7 +197,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/.../src/architecture/08_concepts/signed_doc/docs/brand_parameters_form_template.md b/.../src/architecture/08_concepts/signed_doc/docs/brand_parameters_form_template.md
@@ -133,7 +133,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/campaign_parameters.md b/docs/src/architecture/08_concepts/signed_doc/docs/campaign_parameters.md
@@ -226,7 +226,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/...c/architecture/08_concepts/signed_doc/docs/campaign_parameters_form_template.md b/...c/architecture/08_concepts/signed_doc/docs/campaign_parameters_form_template.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/category_parameters.md b/docs/src/architecture/08_concepts/signed_doc/docs/category_parameters.md
@@ -226,7 +226,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/...c/architecture/08_concepts/signed_doc/docs/category_parameters_form_template.md b/...c/architecture/08_concepts/signed_doc/docs/category_parameters_form_template.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/comment_moderation_action.md b/docs/src/architecture/08_concepts/signed_doc/docs/comment_moderation_action.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/contest_delegation.md b/docs/src/architecture/08_concepts/signed_doc/docs/contest_delegation.md
@@ -252,7 +252,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/contest_parameters.md b/docs/src/architecture/08_concepts/signed_doc/docs/contest_parameters.md
@@ -228,7 +228,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/...rc/architecture/08_concepts/signed_doc/docs/contest_parameters_form_template.md b/...rc/architecture/08_concepts/signed_doc/docs/contest_parameters_form_template.md
@@ -163,7 +163,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/presentation_template.md b/docs/src/architecture/08_concepts/signed_doc/docs/presentation_template.md
@@ -257,7 +257,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/proposal.md b/docs/src/architecture/08_concepts/signed_doc/docs/proposal.md
@@ -240,7 +240,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/proposal_comment.md b/docs/src/architecture/08_concepts/signed_doc/docs/proposal_comment.md
@@ -276,7 +276,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/.../src/architecture/08_concepts/signed_doc/docs/proposal_comment_form_template.md b/.../src/architecture/08_concepts/signed_doc/docs/proposal_comment_form_template.md
@@ -163,7 +163,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/proposal_form_template.md b/docs/src/architecture/08_concepts/signed_doc/docs/proposal_form_template.md
@@ -163,7 +163,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/proposal_moderation_action.md b/docs/src/architecture/08_concepts/signed_doc/docs/proposal_moderation_action.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/proposal_submission_action.md b/docs/src/architecture/08_concepts/signed_doc/docs/proposal_submission_action.md
@@ -330,7 +330,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/rep_nomination.md b/docs/src/architecture/08_concepts/signed_doc/docs/rep_nomination.md
@@ -282,7 +282,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/rep_nomination_form_template.md b/docs/src/architecture/08_concepts/signed_doc/docs/rep_nomination_form_template.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/rep_profile.md b/docs/src/architecture/08_concepts/signed_doc/docs/rep_profile.md
@@ -197,7 +197,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/docs/rep_profile_form_template.md b/docs/src/architecture/08_concepts/signed_doc/docs/rep_profile_form_template.md
@@ -161,7 +161,7 @@ New versions of this document may be published by:
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/metadata.md b/docs/src/architecture/08_concepts/signed_doc/metadata.md
@@ -618,7 +618,7 @@ classDiagram
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/docs/src/architecture/08_concepts/signed_doc/spec.md b/docs/src/architecture/08_concepts/signed_doc/spec.md
@@ -549,7 +549,7 @@ Catalyst ID <a href="https://datatracker.ietf.org/doc/html/rfc3986">URI</a> iden
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |
@@ -608,6 +608,10 @@ Catalyst ID <a href="https://datatracker.ietf.org/doc/html/rfc3986">URI</a> iden
 
 * Fixed an invalid 'Presentation Template' [JSON schema][JSON Schema-2020-12].
 
+#### 0.1.4 (2025-10-17)
+
+* Modified [`collaborators`](metadata.md#collaborators) [cddl][RFC8610] definition, it must have at least one element in array.
+
 [CBOR-LFD-ENCODING]: https://www.rfc-editor.org/rfc/rfc8949.html#section-4.2.3
 [RFC9052-HeaderParameters]: https://www.rfc-editor.org/rfc/rfc8152#section-3.1
 [JSON Schema-2020-12]: https://json-schema.org/draft/2020-12

diff --git a/docs/src/architecture/08_concepts/signed_doc/types.md b/docs/src/architecture/08_concepts/signed_doc/types.md
@@ -40,7 +40,7 @@ All Defined Document Types
 | --- | --- |
 | License | This document is licensed under [CC-BY-4.0] |
 | Created | 2024-12-27 |
-| Modified | 2025-09-09 |
+| Modified | 2025-10-17 |
 | Authors | Alex Pozhylenkov <alex.pozhylenkov@iohk.io> |
 | | Nathan Bogale <nathan.bogale@iohk.io> |
 | | Neil McAuliffe <neil.mcauliffe@iohk.io> |

diff --git a/rust/catalyst-signed-doc-spec/Cargo.toml b/rust/catalyst-signed-doc-spec/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "catalyst-signed-doc-spec"
-version = "0.1.3"
+version = "0.1.4"
 edition.workspace = true
 authors.workspace = true
 homepage.workspace = true

diff --git a/rust/signed_doc/src/lib.rs b/rust/signed_doc/src/lib.rs
@@ -239,6 +239,27 @@ impl CatalystSignedDocument {
     pub fn into_builder(&self) -> anyhow::Result<SignaturesBuilder> {
         self.try_into()
     }
+
+    /// Returns CBOR bytes.
+    ///
+    /// # Errors
+    ///  - `minicbor::encode::Error`
+    pub fn to_bytes(&self) -> anyhow::Result<Vec<u8>> {
+        let mut e = minicbor::Encoder::new(Vec::new());
+        self.encode(&mut e, &mut ())?;
+        Ok(e.into_writer())
+    }
+
+    /// Build `CatalystSignedDoc` instance from CBOR bytes.
+    ///
+    /// # Errors
+    ///  - `minicbor::decode::Error`
+    pub fn from_bytes(
+        bytes: &[u8],
+        mut policy: CompatibilityPolicy,
+    ) -> anyhow::Result<Self> {
+        Ok(minicbor::decode_with(bytes, &mut policy)?)
+    }
 }
 
 impl Decode<'_, CompatibilityPolicy> for CatalystSignedDocument {
@@ -344,17 +365,14 @@ impl TryFrom<&[u8]> for CatalystSignedDocument {
     type Error = anyhow::Error;
 
     fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
-        Ok(minicbor::decode_with(
-            value,
-            &mut CompatibilityPolicy::Accept,
-        )?)
+        Self::from_bytes(value, CompatibilityPolicy::Accept)
     }
 }
 
-impl TryFrom<CatalystSignedDocument> for Vec<u8> {
+impl TryFrom<&CatalystSignedDocument> for Vec<u8> {
     type Error = anyhow::Error;
 
-    fn try_from(value: CatalystSignedDocument) -> Result<Self, Self::Error> {
-        Ok(minicbor::to_vec(value)?)
+    fn try_from(value: &CatalystSignedDocument) -> Result<Self, Self::Error> {
+        value.to_bytes()
     }
 }