{
    "title": "CIP-108 Common",
    "description": "Metadata document for Cardano governance actions, extending CIP-100",
    "type": "object",
    "required": ["hashAlgorithm", "authors", "body"],
    "properties": {
        "hashAlgorithm": {
            "$ref": "#/definitions/hashAlgorithm"
        },
        "authors": {
            "$ref": "#/definitions/authors"
        },
        "body": {
            "$ref": "#/definitions/body"
        }
    },
    "definitions": {
        "hashAlgorithm": {
            "type": "string",
            "enum": ["blake2b-256"],
            "title": "Hash Algorithm",
            "description": "The algorithm used to authenticate this document externally (CIP-100)"
        },
        "authors": {
            "title": "Authors",
            "description": "The authors of this governance metadata (CIP-100)",
            "type": "array",
            "items": {
                "$ref": "#/definitions/author"
            }
        },
        "author": {
            "title": "Author",
            "description": "An author endorsing the content of a metadata document (CIP-100)",
            "type": "object",
            "required": ["name", "witness"],
            "properties": {
                "name": {
                    "type": "string",
                    "title": "Name"
                },
                "witness": {
                    "$ref": "#/definitions/witness"
                }
            }
        },
        "witness": {
            "title": "Witness",
            "description": "A witness proving that the author endorses the content of the metadata",
            "type": "object",
            "properties": {
                "witnessAlgorithm": {
                    "title": "WitnessAlgorithm",
                    "type": "string",
                    "enum": [ "ed25519", "CIP-0008"]
                },
                "publicKey": {
                    "title": "PublicKey",
                    "type": "string"
                },
                "signature": {
                    "title": "Signature",
                    "type": "string"
                }
            }
        },
        "body": {
            "title": "Body",
            "description": "The body of the metadata document that is hashed to produce a signature (CIP-100)",
            "type": "object",
            "required": ["title", "abstract", "motivation", "rationale"],
            "properties": {
                "title": {
                    "type": "string",
                    "title": "Title",
                    "description": "A brief introduction to the motivation for the governance action"
                },
                "abstract": {
                    "type": "string",
                    "title": "Abstract",
                    "description": "A concise summary of the motivation and rationale for the governance action"
                },
                "motivation": {
                    "type": "string",
                    "title": "Motivation",
                    "description": "Context around the problem being addressed by the on-chain action"
                },
                "rationale": {
                    "type": "string",
                    "title": "Rationale",
                    "description": "Explanation of how the governance action addresses the problem outlined in 'motivation'"
                },
                "references": {
                    "type": "array",
                    "title": "References",
                    "items": {
                        "$ref": "#/definitions/reference"
                    }
                }
            }
        },
        "reference": {
            "title": "Reference",
            "description": "A reference to a document",
            "type": "object",
            "required": ["@type", "label", "uri"],
            "properties": {
                "@type": {
                    "type": "string",
                    "enum": ["GovernanceMetadata", "Other"],
                    "title": "Type"
                },
                "label": {
                    "type": "string",
                    "title": "Label"
                },
                "uri": {
                    "type": "string",
                    "title": "URI"
                },
                "referenceHash": {
                    "$ref": "#/definitions/referenceHash"
                }
            }
        },
        "referenceHash": {
            "title": "Reference Hash",
            "description": "A hash of a reference document",
            "type": "object",
            "required": ["hashDigest", "hashAlgorithm"],
            "properties": {
                "hashDigest": {
                    "type": "string",
                    "title": "Hash"
                },
                "hashAlgorithm": {
                    "$ref": "#/definitions/hashAlgorithm"
                }
            }
        }
    }
}