{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://usemakoto.dev/schema/v0.2/statement.schema.json",
  "title": "Makoto v0.2 in-toto Statement",
  "type": "object",
  "required": ["_type", "subject", "predicateType", "predicate"],
  "properties": {
    "_type": { "const": "https://in-toto.io/Statement/v1" },
    "subject": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/$defs/subject" }
    },
    "predicateType": { "type": "string", "minLength": 1, "maxLength": 4096 },
    "predicate": { "type": "object" }
  },
  "allOf": [
    {
      "if": { "properties": { "predicateType": { "const": "https://usemakoto.dev/predicate/v0.2/origin" } } },
      "then": { "properties": { "predicate": { "$ref": "https://usemakoto.dev/schema/v0.2/origin.schema.json" } } }
    },
    {
      "if": { "properties": { "predicateType": { "const": "https://usemakoto.dev/predicate/v0.2/transform" } } },
      "then": { "properties": { "predicate": { "$ref": "https://usemakoto.dev/schema/v0.2/transform.schema.json" } } }
    }
  ],
  "$defs": {
    "digest": {
      "type": "object",
      "required": ["sha256"],
      "properties": { "sha256": { "type": "string", "minLength": 64, "maxLength": 64 } },
      "additionalProperties": false
    },
    "subject": {
      "type": "object",
      "required": ["name", "digest"],
      "properties": {
        "name": { "type": "string", "minLength": 1, "maxLength": 4096 },
        "digest": { "$ref": "#/$defs/digest" }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}