{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://edut.ai/schemas/entitlement.v1.schema.json",
  "title": "EDUT Entitlement Schema v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "entitlement_id",
    "offer_id",
    "issuer_id",
    "wallet_address",
    "state",
    "issued_at"
  ],
  "properties": {
    "schema_version": {
      "type": "string",
      "const": "entitlement.v1"
    },
    "entitlement_id": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9._:-]{2,191}$"
    },
    "offer_id": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9._-]{2,127}$"
    },
    "issuer_id": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9._-]{2,127}$"
    },
    "wallet_address": {
      "type": "string",
      "pattern": "^0x[a-fA-F0-9]{40}$"
    },
    "workspace_id": {
      "type": [
        "string",
        "null"
      ],
      "pattern": "^[a-z0-9][a-z0-9._-]{2,127}$"
    },
    "org_root_id": {
      "type": [
        "string",
        "null"
      ],
      "pattern": "^[a-z0-9][a-z0-9._-]{2,127}$"
    },
    "principal_id": {
      "type": [
        "string",
        "null"
      ],
      "pattern": "^[a-z0-9][a-z0-9._-]{2,127}$"
    },
    "state": {
      "type": "string",
      "enum": [
        "active",
        "suspended",
        "revoked",
        "expired"
      ]
    },
    "access_class": {
      "type": [
        "string",
        "null"
      ],
      "enum": [
        "connected",
        "sovereign",
        null
      ]
    },
    "availability_state": {
      "type": [
        "string",
        "null"
      ],
      "enum": [
        "active",
        "grace",
        "continuity",
        "parked",
        null
      ]
    },
    "purchase": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "tx_hash",
        "chain_id",
        "currency",
        "amount_atomic",
        "policy_hash"
      ],
      "properties": {
        "tx_hash": {
          "type": "string",
          "pattern": "^0x[a-fA-F0-9]{64}$"
        },
        "chain_id": {
          "type": "integer",
          "minimum": 1
        },
        "currency": {
          "type": "string"
        },
        "amount_atomic": {
          "type": "string",
          "pattern": "^[0-9]{1,78}$"
        },
        "policy_hash": {
          "type": "string",
          "pattern": "^[a-fA-F0-9]{64}$"
        }
      }
    },
    "issued_at": {
      "type": "string",
      "format": "date-time"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    }
  }
}