contract_schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://example.com/contract_schema.json",
  "title": "Contract Schema",
  "description": "Schema for data contracts",
  "type": "object",
  "properties": {
    "meta": {
      "type": "object",
      "properties": {
        "schema": { "type": "string" },
        "id": { "type": "string", "minLength": 1 },
        "title": { "type": "string" },
        "description": { "type": "string" },
        "version": { "type": "string", "pattern": "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$" },
        "created": { "type": "string", "format": "date-time" },
        "updated": { "type": "string", "format": "date-time" },
        "language": { "type": "string" },
        "license": { "type": "string" },
        "dataOwner": {
          "type": "object",
          "properties": {
            "name": { "type": "string" },
            "email": { "type": "string", "format": "email" }
          },
          "required": ["name", "email"]
        }
      },
      "required": ["schema", "id", "title", "description", "version", "created", "updated", "language", "license", "dataOwner"]
    },
    "data": {
      "type": "object",
      "properties": {
        "type": { "type": "string" },
        "items": {
          "type": "object",
          "properties": {
            "type": { "type": "string" },
            "properties": {
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "properties": {
                  "type": { "type": "string" },
                  "format": { "type": "string" },
                  "minLength": { "type": "integer", "minimum": 0 },
                  "minimum": { "type": "integer" }
                }
              }
            },
            "required": { "type": "array", "items": { "type": "string" } }
          }
        }
      },
      "required": ["type", "items"]
    }
  },
  "required": ["meta", "data"]
}