{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "MerkleProof2017 schema",
  "description": "An extension that allows an issuer to issue an Open Badge on the blockchain and provide proof of inclusion in a blockchain transaction. This uses the Chainpoint v2.0 specification: https://chainpoint.org/",
  "type": "object",
  "definitions": {
    "JsonLdType": {
      "description": "A type or an array of types defined in a JSON-LD context file.",
      "oneOf": [
        {
          "type": "string"
        },
        {
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      ]
    }
  },	
  "properties": {
    "type": {
      "$ref": "#/definitions/JsonLdType"
    },
    "merkleRoot": {
      "type": "string"
    },
    "targetHash": {
      "type": "string"
    },
    "proof": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "right": {
            "type": "string"
          },
          "left": {
            "type": "string"
          }
        }
      }
    },
    "anchors": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "sourceId": {
            "type": "string"
          },
          "type": {
            "type": "string"
          }
        }
      }
    }
  },
  "required": ["type", "merkleRoot", "targetHash", "proof", "anchors"]
}