{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://xcim.org/schemas/0.1/issuer-metadata.schema.json",
  "title": "XCIM 0.1 Issuer Metadata Payload",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "xcim_version", "object_type", "issuer", "issuer_id", "metadata_epoch", "issued_at",
    "valid_from", "valid_until", "xcim_versions", "issuance_profiles_supported", "jwks_uri", "status_endpoint",
    "transparency_log", "batch_mirrors", "anchor_networks", "supported_identity_assurance",
    "policy_uri", "security_contact", "accreditation_reference"
  ],
  "properties": {
    "xcim_version": { "const": "0.1" },
    "object_type": { "const": "issuer_metadata" },
    "issuer": { "type": "string", "format": "uri", "pattern": "^https://" },
    "issuer_id": { "type": "string", "pattern": "^urn:xcim:issuer:[A-Za-z0-9._~:-]+$" },
    "metadata_epoch": { "$ref": "#/$defs/positive" },
    "issued_at": { "$ref": "#/$defs/dateTime" },
    "valid_from": { "$ref": "#/$defs/dateTime" },
    "valid_until": { "$ref": "#/$defs/dateTime" },
    "xcim_versions": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "const": "0.1" } },
    "issuance_profiles_supported": { "type": "array", "minItems": 1, "maxItems": 1, "items": { "const": "oidc_hosted_consent" } },
    "jwks_uri": { "$ref": "#/$defs/httpsUri" },
    "consent_endpoint": { "$ref": "#/$defs/httpsUri" },
    "revocation_endpoint": { "$ref": "#/$defs/httpsUri" },
    "status_endpoint": { "$ref": "#/$defs/httpsUri" },
    "transparency_log": { "$ref": "#/$defs/httpsUri" },
    "batch_mirrors": { "type": "array", "uniqueItems": true, "items": { "$ref": "#/$defs/httpsUri" } },
    "anchor_networks": {
      "type": "array", "minItems": 1,
      "items": {
        "type": "object", "additionalProperties": false, "required": ["network", "contract"],
        "properties": {
          "network": { "type": "string", "pattern": "^eip155:[1-9][0-9]*$" },
          "contract": { "type": "string", "pattern": "^0x[0-9a-fA-F]{40}$" }
        }
      }
    },
    "supported_identity_assurance": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "type": "string", "pattern": "^[a-z][a-z0-9_]*$" } },
    "policy_uri": { "$ref": "#/$defs/httpsUri" },
    "security_contact": { "type": "string", "format": "uri", "pattern": "^mailto:" },
    "accreditation_reference": {
      "type": "object", "additionalProperties": false,
      "required": ["registry", "accreditation_id", "accreditation_epoch", "entry_uri"],
      "properties": {
        "registry": { "const": "https://registry.xcim.net" },
        "accreditation_id": { "type": "string", "pattern": "^urn:xcim:accreditation:[A-Za-z0-9._~-]+$" },
        "accreditation_epoch": { "$ref": "#/$defs/positive" },
        "entry_uri": { "$ref": "#/$defs/httpsUri" }
      }
    }
  },
  "$defs": {
    "positive": { "type": "integer", "minimum": 1, "maximum": 9007199254740991 },
    "dateTime": { "type": "string", "format": "date-time" },
    "httpsUri": { "type": "string", "format": "uri", "pattern": "^https://" }
  }
}