{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://law.arxo.io/schema/native-dag.schema.json",
  "type": "object",
  "properties": {
    "format": {
      "const": "arxo.native.dag/0.1"
    },
    "root": {
      "type": "object",
      "properties": {
        "$ref": {
          "type": "integer",
          "minimum": 0
        }
      },
      "required": [
        "$ref"
      ],
      "additionalProperties": false
    },
    "nodes": {
      "type": "array",
      "minItems": 1,
      "maxItems": 1000000,
      "items": {
        "oneOf": [
          {
            "type": "array",
            "items": {
              "$ref": "#/$defs/Value"
            }
          },
          {
            "type": "object",
            "propertyNames": {
              "not": {
                "const": "$ref"
              }
            },
            "additionalProperties": {
              "$ref": "#/$defs/Value"
            }
          }
        ]
      }
    }
  },
  "required": [
    "format",
    "root",
    "nodes"
  ],
  "additionalProperties": false,
  "$defs": {
    "Value": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "integer",
          "minimum": 0
        },
        {
          "type": "integer",
          "maximum": -1
        },
        {
          "type": "boolean"
        },
        {
          "type": "null"
        },
        {
          "type": "array",
          "items": {
            "$ref": "#/$defs/Value"
          }
        },
        {
          "type": "object",
          "properties": {
            "$ref": {
              "type": "integer",
              "minimum": 0
            }
          },
          "required": [
            "$ref"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "propertyNames": {
            "not": {
              "const": "$ref"
            }
          },
          "additionalProperties": {
            "$ref": "#/$defs/Value"
          }
        }
      ]
    }
  }
}
