{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://azzle.protocol/xmtp/mutual-cancel/v1",
  "title": "MutualCancel",
  "type": "object",
  "required": ["type", "taskId", "posterSignature", "workerSignature"],
  "properties": {
    "type": { "const": "azzle/MutualCancel" },
    "taskId": { "type": "string" },
    "reason": { "type": "string", "maxLength": 2000 },
    "posterSignature": { "type": "string" },
    "workerSignature": { "type": "string" },
    "cancelledAt": { "type": "string", "format": "date-time" }
  }
}