{
  "type": "object",
  "properties": {
    "onAccepted": {
      "type": "integer",
      "description": "The amount of credits received up front for accepting the contract."
    },
    "onFulfilled": {
      "type": "integer",
      "description": "The amount of credits received when the contract is fulfilled."
    }
  },
  "required": [
    "onAccepted",
    "onFulfilled"
  ]
}