{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/cloverly/main/json-schema/cloverly-purchase-schema.json",
  "title": "Cloverly Purchase",
  "description": "A retired-offset record returned by POST /purchases/{type} or POST /purchases (estimate conversion).",
  "type": "object",
  "required": ["slug", "state", "total_co2e_in_grams", "total_cost_in_usd_cents"],
  "properties": {
    "slug": { "type": "string" },
    "state": {
      "type": "string",
      "enum": ["purchased", "cancelled"]
    },
    "total_co2e_in_grams": { "type": "number", "minimum": 0 },
    "total_cost_in_usd_cents": { "type": "integer", "minimum": 0 },
    "transaction_cost_in_usd_cents": { "type": "integer", "minimum": 0 },
    "offset_cost_in_usd_cents": { "type": "integer", "minimum": 0 },
    "offset": {
      "type": "object",
      "properties": {
        "slug": { "type": "string" },
        "name": { "type": "string" },
        "registry_name": { "type": "string" },
        "offset_type": { "type": "string" },
        "country": { "type": "string" },
        "vintage_year": { "type": "integer" },
        "price_per_kg_in_usd_cents": { "type": "number" }
      }
    },
    "retirement": {
      "type": "object",
      "description": "Registry-issued retirement record for this purchase.",
      "properties": {
        "serial_number": { "type": "string" },
        "registry_url": { "type": "string", "format": "uri" },
        "retired_at": { "type": "string", "format": "date-time" }
      }
    },
    "receipt_url": { "type": "string", "format": "uri" },
    "pretty_url": { "type": "string", "format": "uri" },
    "created_at": { "type": "string", "format": "date-time" }
  },
  "additionalProperties": true
}