{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:nym-succession:v1",
  "title": "NymSuccession v1",
  "description": "Machine-readable schema for a public continuity proof from an old pseudonym line to the next nym epoch.",
  "type": "object",
  "additionalProperties": true,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/20-memos/nym-layer-roadmap-and-revocable-anonymity.md",
    "doc/project/40-proposals/015-nym-certificates-and-renewal-baseline.md"
  ],
  "required": [
    "schema/v",
    "old-nym/id",
    "new-nym/id",
    "epoch",
    "signature"
  ],
  "properties": {
    "schema/v": {
      "const": 1,
      "description": "Schema version."
    },
    "old-nym/id": {
      "type": "string",
      "pattern": "^nym:did:key:z[1-9A-HJ-NP-Za-km-z]+$",
      "description": "Public predecessor nym line."
    },
    "new-nym/id": {
      "type": "string",
      "pattern": "^nym:did:key:z[1-9A-HJ-NP-Za-km-z]+$",
      "description": "Public successor nym line."
    },
    "epoch": {
      "type": "integer",
      "minimum": 1,
      "description": "New epoch number claimed by the succession proof."
    },
    "signature": {
      "$ref": "#/$defs/signature"
    },
    "policy_annotations": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "$defs": {
    "signature": {
      "type": "object",
      "additionalProperties": true,
      "required": [
        "alg",
        "value"
      ],
      "properties": {
        "alg": {
          "type": "string",
          "enum": [
            "ed25519"
          ]
        },
        "value": {
          "type": "string",
          "minLength": 1
        }
      }
    }
  }
}