{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/acid/refs/heads/main/json-structure/acid-transaction-structure.json",
  "name": "AcidTransaction",
  "description": "Represents an ACID database transaction with its properties, status, and isolation level.",
  "type": "object",
  "properties": {
    "transactionId": {
      "type": "uuid",
      "description": "Unique identifier for the transaction",
      "example": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    },
    "status": {
      "type": "string",
      "description": "Current status of the transaction",
      "enum": [
        "Active",
        "Committed",
        "Rolled Back",
        "Aborted",
        "Pending"
      ],
      "example": "Committed"
    },
    "isolationLevel": {
      "type": "string",
      "description": "SQL transaction isolation level",
      "enum": [
        "Read Uncommitted",
        "Read Committed",
        "Repeatable Read",
        "Serializable"
      ],
      "example": "Serializable"
    },
    "startTime": {
      "type": "datetime",
      "description": "Timestamp when the transaction began",
      "example": "2026-04-19T10:00:00.000Z"
    },
    "endTime": {
      "type": "datetime",
      "description": "Timestamp when the transaction was committed or rolled back",
      "example": "2026-04-19T10:00:00.150Z"
    },
    "durationMs": {
      "type": "int32",
      "description": "Transaction duration in milliseconds",
      "example": 150
    },
    "operations": {
      "type": "array",
      "description": "List of database operations within this transaction",
      "items": {
        "$ref": "#/$defs/DatabaseOperation"
      }
    },
    "rollbackReason": {
      "type": "string",
      "description": "Reason for rollback if the transaction was not committed",
      "example": "Serialization failure: concurrent transaction updated the same row"
    },
    "savepoints": {
      "type": "array",
      "description": "Named savepoints defined within this transaction",
      "items": {
        "type": "string"
      },
      "example": [
        "sp1",
        "before_payment"
      ]
    }
  },
  "required": [
    "transactionId",
    "status",
    "isolationLevel",
    "startTime"
  ]
}