{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://git.yuntuo.hk/k2safe/orbit/schema/events.v1.json",
  "title": "Orbit result events v1",
  "description": "消息最大512KiB。JSON重复键、非规范uint64和非规范base64url额外由实际解码器拒绝。",
  "$defs": {
    "id": {
      "type": "string",
      "pattern": "^[0-9a-f]{32}$"
    },
    "counter": {
      "type": "string",
      "pattern": "^(?:[1-9][0-9]{0,18}|1[0-7][0-9]{18}|18[0-3][0-9]{17}|184[0-3][0-9]{16}|1844[0-5][0-9]{15}|18446[0-6][0-9]{14}|184467[0-3][0-9]{13}|1844674[0-3][0-9]{12}|184467440[0-6][0-9]{10}|1844674407[0-2][0-9]{9}|18446744073[0-6][0-9]{8}|1844674407370[0-8][0-9]{6}|18446744073709[0-4][0-9]{5}|184467440737095[0-4][0-9]{4}|18446744073709550[0-9]{3}|18446744073709551[0-5][0-9]{2}|1844674407370955160[0-9]{1}|1844674407370955161[0-4]|18446744073709551615)$",
      "description": "1 至 18446744073709551615 的规范十进制字符串，不允许前导零。"
    },
    "time": {
      "type": "string",
      "format": "date-time"
    },
    "secret": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{42}[AEIMQUYcgkosw048]$"
    },
    "hello": {
      "type": "object",
      "properties": {
        "subscription_id": {
          "$ref": "#/$defs/id"
        },
        "capacity": {
          "type": "integer",
          "minimum": 1,
          "maximum": 32
        }
      },
      "required": [
        "subscription_id",
        "capacity"
      ],
      "additionalProperties": false
    },
    "welcome": {
      "type": "object",
      "properties": {
        "session_id": {
          "$ref": "#/$defs/id"
        },
        "subscription_id": {
          "$ref": "#/$defs/id"
        },
        "capacity": {
          "type": "integer",
          "minimum": 1,
          "maximum": 32
        },
        "lease_duration_ms": {
          "const": 30000
        },
        "heartbeat_interval_ms": {
          "const": 15000
        },
        "server_time": {
          "$ref": "#/$defs/time"
        },
        "enabled": {
          "type": "boolean"
        }
      },
      "required": [
        "session_id",
        "subscription_id",
        "capacity",
        "lease_duration_ms",
        "heartbeat_interval_ms",
        "server_time",
        "enabled"
      ],
      "additionalProperties": false
    },
    "ackInput": {
      "type": "object",
      "properties": {
        "delivery_id": {
          "$ref": "#/$defs/id"
        },
        "epoch": {
          "$ref": "#/$defs/counter"
        },
        "lease_secret": {
          "$ref": "#/$defs/secret"
        }
      },
      "required": [
        "delivery_id",
        "epoch",
        "lease_secret"
      ],
      "additionalProperties": false
    },
    "ackResult": {
      "type": "object",
      "properties": {
        "delivery_id": {
          "$ref": "#/$defs/id"
        },
        "event_id": {
          "$ref": "#/$defs/id"
        },
        "epoch": {
          "$ref": "#/$defs/counter"
        },
        "acknowledged_at": {
          "$ref": "#/$defs/time"
        },
        "deduplicated": {
          "type": "boolean"
        }
      },
      "required": [
        "delivery_id",
        "event_id",
        "epoch",
        "acknowledged_at",
        "deduplicated"
      ],
      "additionalProperties": false
    },
    "pong": {
      "type": "object",
      "properties": {
        "server_time": {
          "$ref": "#/$defs/time"
        },
        "enabled": {
          "type": "boolean"
        }
      },
      "required": [
        "server_time",
        "enabled"
      ],
      "additionalProperties": false
    },
    "snapshot": {
      "type": "object",
      "properties": {
        "schema_version": {
          "const": 1
        },
        "task_id": {
          "$ref": "#/$defs/id"
        },
        "queue_id": {
          "$ref": "#/$defs/id"
        },
        "state": {
          "enum": [
            "SUCCEEDED",
            "FAILED",
            "CANCELLED",
            "NEEDS_REVIEW"
          ]
        },
        "revision": {
          "$ref": "#/$defs/counter"
        },
        "result": {},
        "effect_uncertain": {
          "type": "boolean"
        },
        "current_attempt_id": {
          "$ref": "#/$defs/id"
        }
      },
      "required": [
        "schema_version",
        "task_id",
        "queue_id",
        "state",
        "revision",
        "effect_uncertain"
      ],
      "additionalProperties": false
    },
    "event": {
      "type": "object",
      "properties": {
        "id": {
          "$ref": "#/$defs/id"
        },
        "sequence": {
          "$ref": "#/$defs/counter"
        },
        "type": {
          "enum": [
            "task.succeeded",
            "task.failed",
            "task.cancelled",
            "task.needs_review"
          ]
        },
        "aggregate_kind": {
          "const": "task"
        },
        "aggregate_id": {
          "$ref": "#/$defs/id"
        },
        "aggregate_revision": {
          "$ref": "#/$defs/counter"
        },
        "occurred_at": {
          "$ref": "#/$defs/time"
        },
        "details": {
          "type": "object"
        },
        "snapshot": {
          "$ref": "#/$defs/snapshot"
        }
      },
      "required": [
        "id",
        "sequence",
        "type",
        "aggregate_kind",
        "aggregate_id",
        "aggregate_revision",
        "occurred_at",
        "details",
        "snapshot"
      ],
      "additionalProperties": false
    },
    "leasedDelivery": {
      "type": "object",
      "properties": {
        "created_at": {
          "$ref": "#/$defs/time"
        },
        "id": {
          "$ref": "#/$defs/id"
        },
        "subscription_id": {
          "$ref": "#/$defs/id"
        },
        "event_id": {
          "$ref": "#/$defs/id"
        },
        "sequence": {
          "$ref": "#/$defs/counter"
        },
        "revision": {
          "$ref": "#/$defs/counter"
        },
        "state": {
          "const": "LEASED"
        },
        "available_at": {
          "$ref": "#/$defs/time"
        },
        "lease_epoch": {
          "$ref": "#/$defs/counter"
        },
        "lease_until": {
          "$ref": "#/$defs/time"
        },
        "attempts": {
          "type": "integer",
          "minimum": 1,
          "maximum": 1000000
        },
        "attempt_budget": {
          "type": "integer",
          "minimum": 1,
          "maximum": 1000000
        }
      },
      "required": [
        "created_at",
        "id",
        "subscription_id",
        "event_id",
        "sequence",
        "revision",
        "state",
        "available_at",
        "lease_epoch",
        "lease_until",
        "attempts",
        "attempt_budget"
      ],
      "additionalProperties": false
    },
    "grant": {
      "type": "object",
      "properties": {
        "delivery": {
          "$ref": "#/$defs/leasedDelivery"
        },
        "event": {
          "$ref": "#/$defs/event"
        },
        "lease_secret": {
          "$ref": "#/$defs/secret"
        }
      },
      "required": [
        "delivery",
        "event",
        "lease_secret"
      ],
      "additionalProperties": false
    },
    "error": {
      "type": "object",
      "properties": {
        "code": {
          "enum": [
            "INVALID_ARGUMENT",
            "UNAUTHENTICATED",
            "PERMISSION_DENIED",
            "NOT_FOUND",
            "STATE_CONFLICT",
            "DELIVERY_LEASE_LOST",
            "EVENT_HISTORY_EXPIRED",
            "UNAVAILABLE"
          ]
        },
        "message": {
          "type": "string",
          "minLength": 1
        }
      },
      "required": [
        "code",
        "message"
      ],
      "additionalProperties": false
    },
    "clientFrame": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "events.hello"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "$ref": "#/$defs/hello"
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "body"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "event.ack"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "$ref": "#/$defs/ackInput"
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "session_id",
            "body"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "events.ping"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "type": "object",
              "properties": {},
              "required": [],
              "additionalProperties": false
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "session_id",
            "body"
          ],
          "additionalProperties": false
        }
      ]
    },
    "serverFrame": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "events.welcome"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "reply_to": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "$ref": "#/$defs/welcome"
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "session_id",
            "reply_to",
            "body"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "event.deliver"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "$ref": "#/$defs/grant"
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "session_id",
            "body"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "ack"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "reply_to": {
              "$ref": "#/$defs/id"
            },
            "body": {
              "oneOf": [
                {
                  "$ref": "#/$defs/ackResult"
                },
                {
                  "$ref": "#/$defs/pong"
                }
              ]
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "session_id",
            "reply_to",
            "body"
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "protocol_version": {
              "const": "1"
            },
            "type": {
              "const": "error"
            },
            "message_id": {
              "$ref": "#/$defs/id"
            },
            "session_id": {
              "$ref": "#/$defs/id"
            },
            "error": {
              "$ref": "#/$defs/error"
            },
            "reply_to": {
              "$ref": "#/$defs/id"
            }
          },
          "required": [
            "protocol_version",
            "type",
            "message_id",
            "error"
          ],
          "additionalProperties": false
        }
      ]
    }
  },
  "oneOf": [
    {
      "$ref": "#/$defs/clientFrame"
    },
    {
      "$ref": "#/$defs/serverFrame"
    }
  ]
}