{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:routing-subject-binding:v1",
  "title": "RoutingSubjectBinding v1",
  "description": "Public or presentable binding between a privacy-preserving routing subject and a node that can receive direct delivery, contact, or inbox artifacts for that subject. It is intentionally not a root participant locator.",
  "type": "object",
  "additionalProperties": true,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": [
    "doc/project/40-proposals/025-seed-directory-as-capability-catalog.md",
    "doc/project/40-proposals/054-user-maintained-federated-seed-directory.md",
    "doc/project/60-solutions/023-artifact-delivery/023-artifact-delivery.md"
  ],
  "required": [
    "schema",
    "schema/v",
    "binding/id",
    "routing-subject/id",
    "node/id",
    "purposes",
    "encryption/key/alg",
    "encryption/key/public",
    "valid/from",
    "proof/routing-subject-signature",
    "proof/node-acceptance-signature"
  ],
  "properties": {
    "schema": {
      "const": "routing-subject-binding.v1"
    },
    "schema/v": {
      "const": 1
    },
    "binding/id": {
      "type": "string",
      "pattern": "^routing-subject-binding:[a-z0-9][a-z0-9:-]*$"
    },
    "routing-subject/id": {
      "type": "string",
      "pattern": "^routing:did:key:z[1-9A-HJ-NP-Za-km-z]+$",
      "description": "Public routing subject. It may be derived from or delegated by a participant privately, but this artifact does not reveal that root relationship."
    },
    "node/id": {
      "type": "string",
      "pattern": "^node:did:key:z[1-9A-HJ-NP-Za-km-z]+$"
    },
    "disclosure/mode": {
      "type": "string",
      "default": "public-unlinked",
      "enum": [
        "public-unlinked",
        "participant-disclosed",
        "org-disclosed",
        "present-on-demand"
      ]
    },
    "purposes": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {
        "type": "string",
        "enum": [
          "direct-delivery",
          "contact",
          "inbox"
        ]
      }
    },
    "encryption/key/alg": {
      "type": "string",
      "minLength": 1
    },
    "encryption/key/public": {
      "type": "string",
      "minLength": 1
    },
    "valid/from": {
      "type": "string",
      "format": "date-time"
    },
    "valid/until": {
      "type": "string",
      "format": "date-time"
    },
    "scope/federation-id": {
      "type": "string",
      "minLength": 1
    },
    "scope/topic-patterns": {
      "$ref": "#/$defs/stringList"
    },
    "scope/content-schemas": {
      "$ref": "#/$defs/stringList"
    },
    "proof/routing-subject-signature": {
      "$ref": "#/$defs/signature"
    },
    "proof/node-acceptance-signature": {
      "$ref": "#/$defs/signature"
    },
    "policy_annotations": {
      "type": "object",
      "additionalProperties": true
    }
  },
  "$defs": {
    "stringList": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {
        "type": "string",
        "minLength": 1
      }
    },
    "signature": {
      "type": "object",
      "additionalProperties": true,
      "required": [
        "alg",
        "value"
      ],
      "properties": {
        "alg": {
          "type": "string",
          "enum": [
            "ed25519"
          ]
        },
        "value": {
          "type": "string",
          "minLength": 1
        }
      }
    }
  }
}