JSON schema attempt to describe the refget metadata payload

refget-metadata.schema.1.0.0.json

{
  "$schema": "http://json-schema.org/draft-07/schema",
  "$id": "http://github.com/samtools/hts-specs/pub/refget-metadata.schema.1.0.0.json",
  "title": "Refget Metadata",
  "description": "Holds metadata pertaining to a record within the refget protocol",
  "type" : "object",
  "properties": {
    "id" : {
      "description": "The checksum identifier for a given record (the default)",
      "type" : "string"
    },
    "md5" : {
      "description": "md5 checksum of the reference sequence",
      "type" : "string",
      "maxLength": 32,
      "minLength" : 32,
      "pattern": "(^[A-Za-z0-9]{32}$)"
    },
    "trunc512" : {
      "description": "trunc512 checksum of the reference sequence",
      "type": "string",
      "maxLength": 48,
      "minLength": 48,
      "pattern": "(^[A-Za-z0-9]{48}$)"
    },
    "length" : {
      "description": "Length of the reference sequence",
      "type": "integer"
    },
    "aliases" : {
      "type" : "array",
      "items": {
        "type" : "object",
        "properties": {
          "alias" : {
            "description": "Free text alias for a given sequence",
            "type" : "string"
          },
          "naming_authority" : {
            "description": "Name of the authority, which issued the given alias",
            "type" : "string",
            "enum": ["INSDC", "UCSC", "Ensembl", "RefSeq", "vmc", "unknown"]
          }
        },
        "required" : ["alias", "naming_authority"]
      },
      "minItems" : 0
    }
  },
  "required": ["id", "md5", "length", "aliases"]
}